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Asterisk developer's documentation


chan_skinny.c

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2005, Digium, Inc.
00005  *
00006  * chan_skinny was developed by Jeremy McNamara & Florian Overkamp
00007  * chan_skinny was heavily modified/fixed by North Antara
00008  *
00009  * See http://www.asterisk.org for more information about
00010  * the Asterisk project. Please do not directly contact
00011  * any of the maintainers of this project for assistance;
00012  * the project provides a web site, mailing lists and IRC
00013  * channels for your use.
00014  *
00015  * This program is free software, distributed under the terms of
00016  * the GNU General Public License Version 2. See the LICENSE file
00017  * at the top of the source tree.
00018  */
00019 
00020 /*! \file
00021  *
00022  * \brief Implementation of the Skinny protocol
00023  *
00024  * \author Jeremy McNamara & Florian Overkamp & North Antara
00025  * \ingroup channel_drivers
00026  */
00027 
00028 
00029 #include "asterisk.h"
00030 
00031 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 116799 $")
00032 
00033 #include <stdio.h>
00034 #include <stdlib.h>
00035 #include <string.h>
00036 #include <unistd.h>
00037 #include <sys/socket.h>
00038 #include <netinet/in.h>
00039 #include <netinet/tcp.h>
00040 #include <sys/ioctl.h>
00041 #include <net/if.h>
00042 #include <errno.h>
00043 #include <fcntl.h>
00044 #include <netdb.h>
00045 #include <arpa/inet.h>
00046 #include <sys/signal.h>
00047 #include <signal.h>
00048 #include <ctype.h>
00049 
00050 #include "asterisk/lock.h"
00051 #include "asterisk/channel.h"
00052 #include "asterisk/config.h"
00053 #include "asterisk/logger.h"
00054 #include "asterisk/module.h"
00055 #include "asterisk/pbx.h"
00056 #include "asterisk/options.h"
00057 #include "asterisk/lock.h"
00058 #include "asterisk/sched.h"
00059 #include "asterisk/io.h"
00060 #include "asterisk/rtp.h"
00061 #include "asterisk/acl.h"
00062 #include "asterisk/callerid.h"
00063 #include "asterisk/cli.h"
00064 #include "asterisk/say.h"
00065 #include "asterisk/cdr.h"
00066 #include "asterisk/astdb.h"
00067 #include "asterisk/features.h"
00068 #include "asterisk/app.h"
00069 #include "asterisk/musiconhold.h"
00070 #include "asterisk/utils.h"
00071 #include "asterisk/dsp.h"
00072 #include "asterisk/stringfields.h"
00073 #include "asterisk/astobj.h"
00074 #include "asterisk/abstract_jb.h"
00075 #include "asterisk/threadstorage.h"
00076 
00077 /*************************************
00078  * Skinny/Asterisk Protocol Settings *
00079  *************************************/
00080 static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
00081 static const char config[] = "skinny.conf";
00082 
00083 static int default_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW;
00084 static struct ast_codec_pref default_prefs;
00085 
00086 enum skinny_codecs {
00087    SKINNY_CODEC_ALAW = 2,
00088    SKINNY_CODEC_ULAW = 4,
00089    SKINNY_CODEC_G723_1 = 9,
00090    SKINNY_CODEC_G729A = 12,
00091    SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
00092    SKINNY_CODEC_H261 = 100,
00093    SKINNY_CODEC_H263 = 101
00094 };
00095 
00096 #define DEFAULT_SKINNY_PORT   2000
00097 #define DEFAULT_SKINNY_BACKLOG   2
00098 #define SKINNY_MAX_PACKET  1000
00099 #define DEFAULT_AUTH_TIMEOUT  30
00100 #define DEFAULT_AUTH_LIMIT 50
00101 
00102 static int keep_alive = 120;
00103 static int auth_timeout = DEFAULT_AUTH_TIMEOUT;
00104 static int auth_limit = DEFAULT_AUTH_LIMIT;
00105 static int unauth_sessions = 0;
00106 static char date_format[6] = "D-M-Y";
00107 static char version_id[16] = "P002F202";
00108 
00109 #if __BYTE_ORDER == __LITTLE_ENDIAN
00110 #define letohl(x) (x)
00111 #define letohs(x) (x)
00112 #define htolel(x) (x)
00113 #define htoles(x) (x)
00114 #else
00115 #if defined(SOLARIS) || defined(__Darwin__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
00116 #define __bswap_16(x) \
00117    ((((x) & 0xff00) >> 8) | \
00118     (((x) & 0x00ff) << 8))
00119 #define __bswap_32(x) \
00120    ((((x) & 0xff000000) >> 24) | \
00121     (((x) & 0x00ff0000) >>  8) | \
00122     (((x) & 0x0000ff00) <<  8) | \
00123     (((x) & 0x000000ff) << 24))
00124 #else
00125 #include <bits/byteswap.h>
00126 #endif
00127 #define letohl(x) __bswap_32(x)
00128 #define letohs(x) __bswap_16(x)
00129 #define htolel(x) __bswap_32(x)
00130 #define htoles(x) __bswap_16(x)
00131 #endif
00132 
00133 /*! Global jitterbuffer configuration - by default, jb is disabled */
00134 static struct ast_jb_conf default_jbconf =
00135 {
00136    .flags = 0,
00137    .max_size = -1,
00138    .resync_threshold = -1,
00139    .impl = ""
00140 };
00141 static struct ast_jb_conf global_jbconf;
00142 
00143 AST_THREADSTORAGE(device2str_threadbuf, device2str_threadbuf_init);
00144 #define DEVICE2STR_BUFSIZE   15
00145 
00146 AST_THREADSTORAGE(control2str_threadbuf, control2str_threadbuf_init);
00147 #define CONTROL2STR_BUFSIZE   100
00148 
00149 /*********************
00150  * Protocol Messages *
00151  *********************/
00152 /* message types */
00153 #define KEEP_ALIVE_MESSAGE 0x0000
00154 /* no additional struct */
00155 
00156 #define REGISTER_MESSAGE 0x0001
00157 struct register_message {
00158    char name[16];
00159    uint32_t userId;
00160    uint32_t instance;
00161    uint32_t ip;
00162    uint32_t type;
00163    uint32_t maxStreams;
00164 };
00165 
00166 #define IP_PORT_MESSAGE 0x0002
00167 
00168 #define KEYPAD_BUTTON_MESSAGE 0x0003
00169 struct keypad_button_message {
00170    uint32_t button;
00171    uint32_t lineInstance;
00172    uint32_t callReference;
00173 };
00174 
00175 
00176 #define ENBLOC_CALL_MESSAGE 0x0004
00177 struct enbloc_call_message {
00178        char calledParty[24];
00179 };
00180 
00181 #define STIMULUS_MESSAGE 0x0005
00182 struct stimulus_message {
00183    uint32_t stimulus;
00184    uint32_t stimulusInstance;
00185    uint32_t callreference;
00186 };
00187 
00188 #define OFFHOOK_MESSAGE 0x0006
00189 struct offhook_message {
00190    uint32_t unknown1;
00191    uint32_t unknown2;
00192 };
00193 
00194 #define ONHOOK_MESSAGE 0x0007
00195 struct onhook_message {
00196    uint32_t unknown1;
00197    uint32_t unknown2;
00198 };
00199 
00200 #define CAPABILITIES_RES_MESSAGE 0x0010
00201 struct station_capabilities {
00202    uint32_t codec;
00203    uint32_t frames;
00204    union {
00205       char res[8];
00206       uint32_t rate;
00207    } payloads;
00208 };
00209 
00210 #define SKINNY_MAX_CAPABILITIES 18
00211 
00212 struct capabilities_res_message {
00213    uint32_t count;
00214    struct station_capabilities caps[SKINNY_MAX_CAPABILITIES];
00215 };
00216 
00217 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
00218 struct speed_dial_stat_req_message {
00219    uint32_t speedDialNumber;
00220 };
00221 
00222 #define LINE_STATE_REQ_MESSAGE 0x000B
00223 struct line_state_req_message {
00224    uint32_t lineNumber;
00225 };
00226 
00227 #define TIME_DATE_REQ_MESSAGE 0x000D
00228 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
00229 #define VERSION_REQ_MESSAGE 0x000F
00230 #define SERVER_REQUEST_MESSAGE 0x0012
00231 
00232 #define ALARM_MESSAGE 0x0020
00233 struct alarm_message {
00234    uint32_t alarmSeverity;
00235    char displayMessage[80];
00236    uint32_t alarmParam1;
00237    uint32_t alarmParam2;
00238 };
00239 
00240 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
00241 struct open_receive_channel_ack_message {
00242    uint32_t status;
00243    uint32_t ipAddr;
00244    uint32_t port;
00245    uint32_t passThruId;
00246 };
00247 
00248 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
00249 
00250 #define SOFT_KEY_EVENT_MESSAGE 0x0026
00251 struct soft_key_event_message {
00252    uint32_t softKeyEvent;
00253    uint32_t instance;
00254    uint32_t callreference;
00255 };
00256 
00257 #define UNREGISTER_MESSAGE 0x0027
00258 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
00259 #define HEADSET_STATUS_MESSAGE 0x002B
00260 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
00261 
00262 #define REGISTER_ACK_MESSAGE 0x0081
00263 struct register_ack_message {
00264    uint32_t keepAlive;
00265    char dateTemplate[6];
00266    char res[2];
00267    uint32_t secondaryKeepAlive;
00268    char res2[4];
00269 };
00270 
00271 #define START_TONE_MESSAGE 0x0082
00272 struct start_tone_message {
00273    uint32_t tone;
00274    uint32_t space;
00275    uint32_t instance;
00276    uint32_t reference;
00277 };
00278 
00279 #define STOP_TONE_MESSAGE 0x0083
00280 struct stop_tone_message {
00281    uint32_t instance;
00282    uint32_t reference;
00283 };
00284 
00285 #define SET_RINGER_MESSAGE 0x0085
00286 struct set_ringer_message {
00287    uint32_t ringerMode;
00288    uint32_t unknown1; /* See notes in transmit_ringer_mode */
00289    uint32_t unknown2;
00290    uint32_t space[2];
00291 };
00292 
00293 #define SET_LAMP_MESSAGE 0x0086
00294 struct set_lamp_message {
00295    uint32_t stimulus;
00296    uint32_t stimulusInstance;
00297    uint32_t deviceStimulus;
00298 };
00299 
00300 #define SET_SPEAKER_MESSAGE 0x0088
00301 struct set_speaker_message {
00302    uint32_t mode;
00303 };
00304 
00305 /* XXX When do we need to use this? */
00306 #define SET_MICROPHONE_MESSAGE 0x0089
00307 struct set_microphone_message {
00308    uint32_t mode;
00309 };
00310 
00311 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
00312 struct media_qualifier {
00313    uint32_t precedence;
00314    uint32_t vad;
00315    uint16_t packets;
00316    uint32_t bitRate;
00317 };
00318 
00319 struct start_media_transmission_message {
00320    uint32_t conferenceId;
00321    uint32_t passThruPartyId;
00322    uint32_t remoteIp;
00323    uint32_t remotePort;
00324    uint32_t packetSize;
00325    uint32_t payloadType;
00326    struct media_qualifier qualifier;
00327    uint32_t space[16];
00328 };
00329 
00330 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
00331 struct stop_media_transmission_message {
00332    uint32_t conferenceId;
00333    uint32_t passThruPartyId;
00334    uint32_t space[3];
00335 };
00336 
00337 #define CALL_INFO_MESSAGE 0x008F
00338 struct call_info_message {
00339    char callingPartyName[40];
00340    char callingParty[24];
00341    char calledPartyName[40];
00342    char calledParty[24];
00343    uint32_t instance;
00344    uint32_t reference;
00345    uint32_t type;
00346    char originalCalledPartyName[40];
00347    char originalCalledParty[24];
00348    char lastRedirectingPartyName[40];
00349    char lastRedirectingParty[24];
00350    uint32_t originalCalledPartyRedirectReason;
00351    uint32_t lastRedirectingReason;
00352    char callingPartyVoiceMailbox[24];
00353    char calledPartyVoiceMailbox[24];
00354    char originalCalledPartyVoiceMailbox[24];
00355    char lastRedirectingVoiceMailbox[24];
00356    uint32_t space[3];
00357 };
00358 
00359 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
00360 struct speed_dial_stat_res_message {
00361    uint32_t speedDialNumber;
00362    char speedDialDirNumber[24];
00363    char speedDialDisplayName[40];
00364 };
00365 
00366 #define LINE_STAT_RES_MESSAGE 0x0092
00367 struct line_stat_res_message {
00368    uint32_t lineNumber;
00369    char lineDirNumber[24];
00370    char lineDisplayName[24];
00371    uint32_t space[15];
00372 };
00373 
00374 #define DEFINETIMEDATE_MESSAGE 0x0094
00375 struct definetimedate_message {
00376    uint32_t year; /* since 1900 */
00377    uint32_t month;
00378    uint32_t dayofweek;  /* monday = 1 */
00379    uint32_t day;
00380    uint32_t hour;
00381    uint32_t minute;
00382    uint32_t seconds;
00383    uint32_t milliseconds;
00384    uint32_t timestamp;
00385 };
00386 
00387 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
00388 struct button_definition {
00389    uint8_t instanceNumber;
00390    uint8_t buttonDefinition;
00391 };
00392 
00393 struct button_definition_template {
00394    uint8_t buttonDefinition;
00395    /* for now, anything between 0xB0 and 0xCF is custom */
00396    /*int custom;*/
00397 };
00398 
00399 #define STIMULUS_REDIAL       0x01
00400 #define STIMULUS_SPEEDDIAL    0x02
00401 #define STIMULUS_HOLD         0x03
00402 #define STIMULUS_TRANSFER     0x04
00403 #define STIMULUS_FORWARDALL      0x05
00404 #define STIMULUS_FORWARDBUSY     0x06
00405 #define STIMULUS_FORWARDNOANSWER 0x07
00406 #define STIMULUS_DISPLAY      0x08
00407 #define STIMULUS_LINE         0x09
00408 #define STIMULUS_VOICEMAIL    0x0F
00409 #define STIMULUS_AUTOANSWER      0x11
00410 #define STIMULUS_CONFERENCE      0x7D
00411 #define STIMULUS_CALLPARK     0x7E
00412 #define STIMULUS_CALLPICKUP      0x7F
00413 #define STIMULUS_NONE         0xFF
00414 
00415 /* Button types */
00416 #define BT_REDIAL       STIMULUS_REDIAL
00417 #define BT_SPEEDDIAL       STIMULUS_SPEEDDIAL
00418 #define BT_HOLD            STIMULUS_HOLD
00419 #define BT_TRANSFER        STIMULUS_TRANSFER
00420 #define BT_FORWARDALL         STIMULUS_FORWARDALL
00421 #define BT_FORWARDBUSY        STIMULUS_FORWARDBUSY
00422 #define BT_FORWARDNOANSWER    STIMULUS_FORWARDNOANSWER
00423 #define BT_DISPLAY         STIMULUS_DISPLAY
00424 #define BT_LINE            STIMULUS_LINE
00425 #define BT_VOICEMAIL       STIMULUS_VOICEMAIL
00426 #define BT_AUTOANSWER         STIMULUS_AUTOANSWER
00427 #define BT_CONFERENCE         STIMULUS_CONFERENCE
00428 #define BT_CALLPARK        STIMULUS_CALLPARK
00429 #define BT_CALLPICKUP         STIMULUS_CALLPICKUP
00430 #define BT_NONE            0x00
00431 
00432 /* Custom button types - add our own between 0xB0 and 0xCF.
00433    This may need to be revised in the future,
00434    if stimuluses are ever added in this range. */
00435 #define BT_CUST_LINESPEEDDIAL    0xB0  /* line or speeddial */
00436 #define BT_CUST_HINT       0xB1  /* pipe dream */
00437 
00438 struct button_template_res_message {
00439    uint32_t buttonOffset;
00440    uint32_t buttonCount;
00441    uint32_t totalButtonCount;
00442    struct button_definition definition[42];
00443 };
00444 
00445 #define VERSION_RES_MESSAGE 0x0098
00446 struct version_res_message {
00447    char version[16];
00448 };
00449 
00450 #define DISPLAYTEXT_MESSAGE 0x0099
00451 struct displaytext_message {
00452    char text[40];
00453 };
00454 
00455 #define CLEAR_NOTIFY_MESSAGE  0x0115
00456 #define CLEAR_DISPLAY_MESSAGE 0x009A
00457 
00458 #define CAPABILITIES_REQ_MESSAGE 0x009B
00459 
00460 #define REGISTER_REJ_MESSAGE 0x009D
00461 struct register_rej_message {
00462    char errMsg[33];
00463 };
00464 
00465 #define SERVER_RES_MESSAGE 0x009E
00466 struct server_identifier {
00467    char serverName[48];
00468 };
00469 
00470 struct server_res_message {
00471    struct server_identifier server[5];
00472    uint32_t serverListenPort[5];
00473    uint32_t serverIpAddr[5];
00474 };
00475 
00476 #define RESET_MESSAGE 0x009F
00477 struct reset_message {
00478    uint32_t resetType;
00479 };
00480 
00481 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
00482 
00483 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
00484 struct open_receive_channel_message {
00485    uint32_t conferenceId;
00486    uint32_t partyId;
00487    uint32_t packets;
00488    uint32_t capability;
00489    uint32_t echo;
00490    uint32_t bitrate;
00491    uint32_t space[16];
00492 };
00493 
00494 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
00495 struct close_receive_channel_message {
00496    uint32_t conferenceId;
00497    uint32_t partyId;
00498    uint32_t space[2];
00499 };
00500 
00501 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
00502 
00503 struct soft_key_template_definition {
00504    char softKeyLabel[16];
00505    uint32_t softKeyEvent;
00506 };
00507 
00508 #define KEYDEF_ONHOOK         0
00509 #define KEYDEF_CONNECTED      1
00510 #define KEYDEF_ONHOLD         2
00511 #define KEYDEF_RINGIN         3
00512 #define KEYDEF_OFFHOOK        4
00513 #define KEYDEF_CONNWITHTRANS     5
00514 #define KEYDEF_DADFD       6 /* Digits After Dialing First Digit */
00515 #define KEYDEF_CONNWITHCONF      7
00516 #define KEYDEF_RINGOUT        8
00517 #define KEYDEF_OFFHOOKWITHFEAT      9
00518 #define KEYDEF_UNKNOWN        10
00519 
00520 #define SOFTKEY_NONE       0x00
00521 #define SOFTKEY_REDIAL        0x01
00522 #define SOFTKEY_NEWCALL       0x02
00523 #define SOFTKEY_HOLD       0x03
00524 #define SOFTKEY_TRNSFER       0x04
00525 #define SOFTKEY_CFWDALL       0x05
00526 #define SOFTKEY_CFWDBUSY      0x06
00527 #define SOFTKEY_CFWDNOANSWER     0x07
00528 #define SOFTKEY_BKSPC         0x08
00529 #define SOFTKEY_ENDCALL       0x09
00530 #define SOFTKEY_RESUME        0x0A
00531 #define SOFTKEY_ANSWER        0x0B
00532 #define SOFTKEY_INFO       0x0C
00533 #define SOFTKEY_CONFRN        0x0D
00534 #define SOFTKEY_PARK       0x0E
00535 #define SOFTKEY_JOIN       0x0F
00536 #define SOFTKEY_MEETME        0x10
00537 #define SOFTKEY_PICKUP        0x11
00538 #define SOFTKEY_GPICKUP       0x12
00539 
00540 struct soft_key_template_definition soft_key_template_default[] = {
00541    { "Redial",    0x01 },
00542    { "NewCall",      0x02 },
00543    { "Hold",      0x03 },
00544    { "Trnsfer",      0x04 },
00545    { "CFwdAll",      0x05 },
00546    { "CFwdBusy",     0x06 },
00547    { "CFwdNoAnswer", 0x07 },
00548    { "<<",        0x08 },
00549    { "EndCall",      0x09 },
00550    { "Resume",    0x0A },
00551    { "Answer",    0x0B },
00552    { "Info",      0x0C },
00553    { "Confrn",    0x0D },
00554    { "Park",      0x0E },
00555    { "Join",      0x0F },
00556    { "MeetMe",    0x10 },
00557    { "PickUp",    0x11 },
00558    { "GPickUp",      0x12 },
00559 };
00560 
00561 struct soft_key_definitions {
00562    const uint8_t mode;
00563    const uint8_t *defaults;
00564    const int count;
00565 };
00566 
00567 static const uint8_t soft_key_default_onhook[] = {
00568    SOFTKEY_REDIAL,
00569    SOFTKEY_NEWCALL,
00570    SOFTKEY_CFWDALL,
00571    SOFTKEY_CFWDBUSY,
00572    /*SOFTKEY_GPICKUP,
00573    SOFTKEY_CONFRN,*/
00574 };
00575 
00576 static const uint8_t soft_key_default_connected[] = {
00577    SOFTKEY_HOLD,
00578    SOFTKEY_ENDCALL,
00579    SOFTKEY_TRNSFER,
00580    SOFTKEY_PARK,
00581    SOFTKEY_CFWDALL,
00582    SOFTKEY_CFWDBUSY,
00583 };
00584 
00585 static const uint8_t soft_key_default_onhold[] = {
00586    SOFTKEY_RESUME,
00587    SOFTKEY_NEWCALL,
00588    SOFTKEY_ENDCALL,
00589    SOFTKEY_TRNSFER,
00590 };
00591 
00592 static const uint8_t soft_key_default_ringin[] = {
00593    SOFTKEY_ANSWER,
00594    SOFTKEY_ENDCALL,
00595    SOFTKEY_TRNSFER,
00596 };
00597 
00598 static const uint8_t soft_key_default_offhook[] = {
00599    SOFTKEY_REDIAL,
00600    SOFTKEY_ENDCALL,
00601    SOFTKEY_CFWDALL,
00602    SOFTKEY_CFWDBUSY,
00603    /*SOFTKEY_GPICKUP,*/
00604 };
00605 
00606 static const uint8_t soft_key_default_connwithtrans[] = {
00607    SOFTKEY_HOLD,
00608    SOFTKEY_ENDCALL,
00609    SOFTKEY_TRNSFER,
00610    SOFTKEY_PARK,
00611    SOFTKEY_CFWDALL,
00612    SOFTKEY_CFWDBUSY,
00613 };
00614 
00615 static const uint8_t soft_key_default_dadfd[] = {
00616    SOFTKEY_BKSPC,
00617    SOFTKEY_ENDCALL,
00618 };
00619 
00620 static const uint8_t soft_key_default_connwithconf[] = {
00621    SOFTKEY_NONE,
00622 };
00623 
00624 static const uint8_t soft_key_default_ringout[] = {
00625    SOFTKEY_NONE,
00626    SOFTKEY_ENDCALL,
00627 };
00628 
00629 static const uint8_t soft_key_default_offhookwithfeat[] = {
00630    SOFTKEY_REDIAL,
00631    SOFTKEY_ENDCALL,
00632 };
00633 
00634 static const uint8_t soft_key_default_unknown[] = {
00635    SOFTKEY_NONE,
00636 };
00637 
00638 static const struct soft_key_definitions soft_key_default_definitions[] = {
00639    {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
00640    {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
00641    {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
00642    {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
00643    {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
00644    {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
00645    {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
00646    {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
00647    {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
00648    {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
00649    {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
00650 };
00651 
00652 struct soft_key_template_res_message {
00653    uint32_t softKeyOffset;
00654    uint32_t softKeyCount;
00655    uint32_t totalSoftKeyCount;
00656    struct soft_key_template_definition softKeyTemplateDefinition[32];
00657 };
00658 
00659 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
00660 
00661 struct soft_key_set_definition {
00662    uint8_t softKeyTemplateIndex[16];
00663    uint16_t softKeyInfoIndex[16];
00664 };
00665 
00666 struct soft_key_set_res_message {
00667    uint32_t softKeySetOffset;
00668    uint32_t softKeySetCount;
00669    uint32_t totalSoftKeySetCount;
00670    struct soft_key_set_definition softKeySetDefinition[16];
00671    uint32_t res;
00672 };
00673 
00674 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
00675 struct select_soft_keys_message {
00676    uint32_t instance;
00677    uint32_t reference;
00678    uint32_t softKeySetIndex;
00679    uint32_t validKeyMask;
00680 };
00681 
00682 #define CALL_STATE_MESSAGE 0x0111
00683 struct call_state_message {
00684    uint32_t callState;
00685    uint32_t lineInstance;
00686    uint32_t callReference;
00687    uint32_t space[3];
00688 };
00689 
00690 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
00691 struct display_prompt_status_message {
00692    uint32_t messageTimeout;
00693    char promptMessage[32];
00694    uint32_t lineInstance;
00695    uint32_t callReference;
00696 };
00697 
00698 #define CLEAR_PROMPT_MESSAGE  0x0113
00699 struct clear_prompt_message {
00700        uint32_t lineInstance;
00701        uint32_t callReference;
00702 };
00703 
00704 #define DISPLAY_NOTIFY_MESSAGE 0x0114
00705 struct display_notify_message {
00706    uint32_t displayTimeout;
00707    char displayMessage[100];
00708 };
00709 
00710 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
00711 struct activate_call_plane_message {
00712    uint32_t lineInstance;
00713 };
00714 
00715 #define DIALED_NUMBER_MESSAGE 0x011D
00716 struct dialed_number_message {
00717    char dialedNumber[24];
00718    uint32_t lineInstance;
00719    uint32_t callReference;
00720 };
00721 
00722 union skinny_data {
00723    struct alarm_message alarm;
00724    struct speed_dial_stat_req_message speeddialreq;
00725    struct register_message reg;
00726    struct register_ack_message regack;
00727    struct register_rej_message regrej;
00728    struct capabilities_res_message caps;
00729    struct version_res_message version;
00730    struct button_template_res_message buttontemplate;
00731    struct displaytext_message displaytext;
00732    struct display_prompt_status_message displaypromptstatus;
00733    struct clear_prompt_message clearpromptstatus;
00734    struct definetimedate_message definetimedate;
00735    struct start_tone_message starttone;
00736    struct stop_tone_message stoptone;
00737    struct speed_dial_stat_res_message speeddial;
00738    struct line_state_req_message line;
00739    struct line_stat_res_message linestat;
00740    struct soft_key_set_res_message softkeysets;
00741    struct soft_key_template_res_message softkeytemplate;
00742    struct server_res_message serverres;
00743    struct reset_message reset;
00744    struct set_lamp_message setlamp;
00745    struct set_ringer_message setringer;
00746    struct call_state_message callstate;
00747    struct keypad_button_message keypad;
00748    struct select_soft_keys_message selectsoftkey;
00749    struct activate_call_plane_message activatecallplane;
00750    struct stimulus_message stimulus;
00751    struct offhook_message offhook;
00752    struct onhook_message onhook;
00753    struct set_speaker_message setspeaker;
00754    struct set_microphone_message setmicrophone;
00755    struct call_info_message callinfo;
00756    struct start_media_transmission_message startmedia;
00757    struct stop_media_transmission_message stopmedia;
00758    struct open_receive_channel_message openreceivechannel;
00759    struct open_receive_channel_ack_message openreceivechannelack;
00760    struct close_receive_channel_message closereceivechannel;
00761    struct display_notify_message displaynotify;
00762    struct dialed_number_message dialednumber;
00763    struct soft_key_event_message softkeyeventmessage;
00764    struct enbloc_call_message enbloccallmessage;
00765 };
00766 
00767 /* packet composition */
00768 struct skinny_req {
00769    int len;
00770    int res;
00771    int e;
00772    union skinny_data data;
00773 };
00774 
00775 /* XXX This is the combined size of the variables above.  (len, res, e)
00776    If more are added, this MUST change.
00777    (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
00778 int skinny_header_size = 12;
00779 
00780 /*****************************
00781  * Asterisk specific globals *
00782  *****************************/
00783 
00784 static int skinnydebug = 0;
00785 
00786 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
00787 static struct sockaddr_in bindaddr;
00788 static char ourhost[256];
00789 static int ourport;
00790 static struct in_addr __ourip;
00791 struct ast_hostent ahp;
00792 struct hostent *hp;
00793 static int skinnysock = -1;
00794 static pthread_t accept_t;
00795 static char context[AST_MAX_CONTEXT] = "default";
00796 static char language[MAX_LANGUAGE] = "";
00797 static char mohinterpret[MAX_MUSICCLASS] = "default";
00798 static char mohsuggest[MAX_MUSICCLASS] = "";
00799 static char cid_num[AST_MAX_EXTENSION] = "";
00800 static char cid_name[AST_MAX_EXTENSION] = "";
00801 static char linelabel[AST_MAX_EXTENSION] ="";
00802 static int nat = 0;
00803 static ast_group_t cur_callergroup = 0;
00804 static ast_group_t cur_pickupgroup = 0;
00805 static int immediate = 0;
00806 static int callwaiting = 0;
00807 static int callreturn = 0;
00808 static int threewaycalling = 0;
00809 static int mwiblink = 0;
00810 /* This is for flashhook transfers */
00811 static int transfer = 0;
00812 static int cancallforward = 0;
00813 /* static int busycount = 3;*/
00814 static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
00815 static char mailbox[AST_MAX_EXTENSION];
00816 static int amaflags = 0;
00817 static int callnums = 1;
00818 
00819 #define SKINNY_DEVICE_UNKNOWN    -1
00820 #define SKINNY_DEVICE_NONE    0
00821 #define SKINNY_DEVICE_30SPPLUS      1
00822 #define SKINNY_DEVICE_12SPPLUS      2
00823 #define SKINNY_DEVICE_12SP    3
00824 #define SKINNY_DEVICE_12      4
00825 #define SKINNY_DEVICE_30VIP      5
00826 #define SKINNY_DEVICE_7910    6
00827 #define SKINNY_DEVICE_7960    7
00828 #define SKINNY_DEVICE_7940    8
00829 #define SKINNY_DEVICE_7935    9
00830 #define SKINNY_DEVICE_ATA186     12 /* Cisco ATA-186 */
00831 #define SKINNY_DEVICE_7941    115
00832 #define SKINNY_DEVICE_7971    119
00833 #define SKINNY_DEVICE_7914    124   /* Expansion module */
00834 #define SKINNY_DEVICE_7985    302
00835 #define SKINNY_DEVICE_7911    307
00836 #define SKINNY_DEVICE_7961GE     308
00837 #define SKINNY_DEVICE_7941GE     309
00838 #define SKINNY_DEVICE_7931    348
00839 #define SKINNY_DEVICE_7921    365
00840 #define SKINNY_DEVICE_7906    369
00841 #define SKINNY_DEVICE_7962    404   /* Not found */
00842 #define SKINNY_DEVICE_7937    431
00843 #define SKINNY_DEVICE_7942    434
00844 #define SKINNY_DEVICE_7945    435
00845 #define SKINNY_DEVICE_7965    436
00846 #define SKINNY_DEVICE_7975    437
00847 #define SKINNY_DEVICE_7905    20000
00848 #define SKINNY_DEVICE_7920    30002
00849 #define SKINNY_DEVICE_7970    30006
00850 #define SKINNY_DEVICE_7912    30007
00851 #define SKINNY_DEVICE_7902    30008
00852 #define SKINNY_DEVICE_CIPC    30016 /* Cisco IP Communicator */
00853 #define SKINNY_DEVICE_7961    30018
00854 #define SKINNY_DEVICE_7936    30019
00855 #define SKINNY_DEVICE_SCCPGATEWAY_AN   30027 /* ??? */
00856 #define SKINNY_DEVICE_SCCPGATEWAY_BRI  30028 /* ??? */
00857 
00858 #define SKINNY_SPEAKERON 1
00859 #define SKINNY_SPEAKEROFF 2
00860 
00861 #define SKINNY_MICON 1
00862 #define SKINNY_MICOFF 2
00863 
00864 #define SKINNY_OFFHOOK 1
00865 #define SKINNY_ONHOOK 2
00866 #define SKINNY_RINGOUT 3
00867 #define SKINNY_RINGIN 4
00868 #define SKINNY_CONNECTED 5
00869 #define SKINNY_BUSY 6
00870 #define SKINNY_CONGESTION 7
00871 #define SKINNY_HOLD 8
00872 #define SKINNY_CALLWAIT 9
00873 #define SKINNY_TRANSFER 10
00874 #define SKINNY_PARK 11
00875 #define SKINNY_PROGRESS 12
00876 #define SKINNY_INVALID 14
00877 
00878 #define SKINNY_SILENCE     0x00
00879 #define SKINNY_DIALTONE    0x21
00880 #define SKINNY_BUSYTONE    0x23
00881 #define SKINNY_ALERT    0x24
00882 #define SKINNY_REORDER     0x25
00883 #define SKINNY_CALLWAITTONE   0x2D
00884 #define SKINNY_NOTONE      0x7F
00885 
00886 #define SKINNY_LAMP_OFF 1
00887 #define SKINNY_LAMP_ON 2
00888 #define SKINNY_LAMP_WINK 3
00889 #define SKINNY_LAMP_FLASH 4
00890 #define SKINNY_LAMP_BLINK 5
00891 
00892 #define SKINNY_RING_OFF 1
00893 #define SKINNY_RING_INSIDE 2
00894 #define SKINNY_RING_OUTSIDE 3
00895 #define SKINNY_RING_FEATURE 4
00896 
00897 #define TYPE_TRUNK 1
00898 #define TYPE_LINE 2
00899 
00900 /* Skinny rtp stream modes. Do we really need this? */
00901 #define SKINNY_CX_SENDONLY 0
00902 #define SKINNY_CX_RECVONLY 1
00903 #define SKINNY_CX_SENDRECV 2
00904 #define SKINNY_CX_CONF     3
00905 #define SKINNY_CX_CONFERENCE  3
00906 #define SKINNY_CX_MUTE     4
00907 #define SKINNY_CX_INACTIVE 4
00908 
00909 #if 0
00910 static char *skinny_cxmodes[] = {
00911    "sendonly",
00912    "recvonly",
00913    "sendrecv",
00914    "confrnce",
00915    "inactive"
00916 };
00917 #endif
00918 
00919 /* driver scheduler */
00920 static struct sched_context *sched = NULL;
00921 static struct io_context *io;
00922 
00923 /* Protect the monitoring thread, so only one process can kill or start it, and not
00924    when it's doing something critical. */
00925 AST_MUTEX_DEFINE_STATIC(monlock);
00926 /* Protect the network socket */
00927 AST_MUTEX_DEFINE_STATIC(netlock);
00928 /* Protect the session list */
00929 AST_MUTEX_DEFINE_STATIC(sessionlock);
00930 /* Protect the device list */
00931 AST_MUTEX_DEFINE_STATIC(devicelock);
00932 #if 0
00933 /* Protect the paging device list */
00934 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
00935 #endif
00936 
00937 /* This is the thread for the monitor which checks for input on the channels
00938    which are not currently in use. */
00939 static pthread_t monitor_thread = AST_PTHREADT_NULL;
00940 
00941 /* Wait up to 16 seconds for first digit */
00942 static int firstdigittimeout = 16000;
00943 
00944 /* How long to wait for following digits */
00945 static int gendigittimeout = 8000;
00946 
00947 /* How long to wait for an extra digit, if there is an ambiguous match */
00948 static int matchdigittimeout = 3000;
00949 
00950 struct skinny_subchannel {
00951    ast_mutex_t lock;
00952    struct ast_channel *owner;
00953    struct ast_rtp *rtp;
00954    struct ast_rtp *vrtp;
00955    unsigned int callid;
00956    /* time_t lastouttime; */        /* Unused */
00957    int progress;
00958    int ringing;
00959    int onhold;
00960    /* int lastout; */            /* Unused */
00961    int cxmode;
00962    int nat;
00963    int outgoing;
00964    int alreadygone;
00965 
00966    struct skinny_subchannel *next;
00967    struct skinny_line *parent;
00968 };
00969 
00970 struct skinny_line {
00971    ast_mutex_t lock;
00972    char name[80];
00973    char label[24];               /* Label that shows next to the line buttons */
00974    char accountcode[AST_MAX_ACCOUNT_CODE];
00975    char exten[AST_MAX_EXTENSION];         /* Extension where to start */
00976    char context[AST_MAX_CONTEXT];
00977    char language[MAX_LANGUAGE];
00978    char cid_num[AST_MAX_EXTENSION];    /* Caller*ID */
00979    char cid_name[AST_MAX_EXTENSION];      /* Caller*ID */
00980    char lastcallerid[AST_MAX_EXTENSION];     /* Last Caller*ID */
00981    char call_forward[AST_MAX_EXTENSION];
00982    char mailbox[AST_MAX_EXTENSION];
00983    char mohinterpret[MAX_MUSICCLASS];
00984    char mohsuggest[MAX_MUSICCLASS];
00985    char lastnumberdialed[AST_MAX_EXTENSION]; /* Last number that was dialed - used for redial */
00986    int curtone;               /* Current tone being played */
00987    ast_group_t callgroup;
00988    ast_group_t pickupgroup;
00989    int callwaiting;
00990    int transfer;
00991    int threewaycalling;
00992    int mwiblink;
00993    int cancallforward;
00994    int callreturn;
00995    int dnd; /* How does this affect callwait?  Do we just deny a skinny_request if we're dnd? */
00996    int hascallerid;
00997    int hidecallerid;
00998    int amaflags;
00999    int type;
01000    int instance;
01001    int group;
01002    int needdestroy;
01003    int capability;
01004    int nonCodecCapability;
01005    int onhooktime;
01006    int msgstate;              /* voicemail message state */
01007    int immediate;
01008    int hookstate;
01009    int nat;
01010 
01011    struct ast_codec_pref prefs;
01012    struct skinny_subchannel *sub;
01013    struct skinny_line *next;
01014    struct skinny_device *parent;
01015 };
01016 
01017 struct skinny_speeddial {
01018    ast_mutex_t lock;
01019    char label[42];
01020    char exten[AST_MAX_EXTENSION];
01021    int instance;
01022 
01023    struct skinny_speeddial *next;
01024    struct skinny_device *parent;
01025 };
01026 
01027 struct skinny_addon {
01028    ast_mutex_t lock;
01029    char type[10];
01030 
01031    struct skinny_addon *next;
01032    struct skinny_device *parent;
01033 };
01034 
01035 static struct skinny_device {
01036    /* A device containing one or more lines */
01037    char name[80];
01038    char id[16];
01039    char version_id[16];
01040    int type;
01041    int registered;
01042    int lastlineinstance;
01043    int lastcallreference;
01044    int capability;
01045    int earlyrtp;
01046    char exten[AST_MAX_EXTENSION];
01047    struct sockaddr_in addr;
01048    struct in_addr ourip;
01049    struct skinny_line *lines;
01050    struct skinny_speeddial *speeddials;
01051    struct skinny_addon *addons;
01052    struct ast_codec_pref prefs;
01053    struct ast_ha *ha;
01054    struct skinnysession *session;
01055    struct skinny_device *next;
01056 } *devices = NULL;
01057 
01058 struct skinny_paging_device {
01059    char name[80];
01060    char id[16];
01061    struct skinny_device ** devices;
01062    struct skinny_paging_device *next;
01063 };
01064 
01065 static struct skinnysession {
01066    pthread_t t;
01067    ast_mutex_t lock;
01068    time_t start;
01069    struct sockaddr_in sin;
01070    int fd;
01071    char inbuf[SKINNY_MAX_PACKET];
01072    char outbuf[SKINNY_MAX_PACKET];
01073    struct skinny_device *device;
01074    struct skinnysession *next;
01075 } *sessions = NULL;
01076 
01077 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
01078 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
01079 static int skinny_hangup(struct ast_channel *ast);
01080 static int skinny_answer(struct ast_channel *ast);
01081 static struct ast_frame *skinny_read(struct ast_channel *ast);
01082 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
01083 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
01084 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
01085 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
01086 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
01087 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s);
01088 
01089 static const struct ast_channel_tech skinny_tech = {
01090    .type = "Skinny",
01091    .description = tdesc,
01092    .capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
01093    .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
01094    .requester = skinny_request,
01095    .call = skinny_call,
01096    .hangup = skinny_hangup,
01097    .answer = skinny_answer,
01098    .read = skinny_read,
01099    .write = skinny_write,
01100    .indicate = skinny_indicate,
01101    .fixup = skinny_fixup,
01102    .send_digit_begin = skinny_senddigit_begin,
01103    .send_digit_end = skinny_senddigit_end,
01104 /* .bridge = ast_rtp_bridge, */
01105 };
01106 
01107 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
01108 {
01109    struct skinny_device *d = s->device;
01110    struct skinny_addon *a = d->addons;
01111    int i;
01112 
01113    switch (d->type) {
01114       case SKINNY_DEVICE_30SPPLUS:
01115       case SKINNY_DEVICE_30VIP:
01116          /* 13 rows, 2 columns */
01117          for (i = 0; i < 4; i++)
01118             (btn++)->buttonDefinition = BT_LINE;
01119          (btn++)->buttonDefinition = BT_REDIAL;
01120          (btn++)->buttonDefinition = BT_VOICEMAIL;
01121          (btn++)->buttonDefinition = BT_CALLPARK;
01122          (btn++)->buttonDefinition = BT_FORWARDALL;
01123          (btn++)->buttonDefinition = BT_CONFERENCE;
01124          for (i = 0; i < 4; i++)
01125             (btn++)->buttonDefinition = BT_NONE;
01126          for (i = 0; i < 13; i++)
01127             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01128          
01129          break;
01130       case SKINNY_DEVICE_12SPPLUS:
01131       case SKINNY_DEVICE_12SP:
01132       case SKINNY_DEVICE_12:
01133          /* 6 rows, 2 columns */
01134          for (i = 0; i < 2; i++)
01135             (btn++)->buttonDefinition = BT_LINE;
01136          (btn++)->buttonDefinition = BT_REDIAL;
01137          for (i = 0; i < 3; i++)
01138             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01139          (btn++)->buttonDefinition = BT_HOLD;
01140          (btn++)->buttonDefinition = BT_TRANSFER;
01141          (btn++)->buttonDefinition = BT_FORWARDALL;
01142          (btn++)->buttonDefinition = BT_CALLPARK;
01143          (btn++)->buttonDefinition = BT_VOICEMAIL;
01144          (btn++)->buttonDefinition = BT_CONFERENCE;
01145          break;
01146       case SKINNY_DEVICE_7910:
01147          (btn++)->buttonDefinition = BT_LINE;
01148          (btn++)->buttonDefinition = BT_HOLD;
01149          (btn++)->buttonDefinition = BT_TRANSFER;
01150          (btn++)->buttonDefinition = BT_DISPLAY;
01151          (btn++)->buttonDefinition = BT_VOICEMAIL;
01152          (btn++)->buttonDefinition = BT_CONFERENCE;
01153          (btn++)->buttonDefinition = BT_FORWARDALL;
01154          for (i = 0; i < 2; i++)
01155             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01156          (btn++)->buttonDefinition = BT_REDIAL;
01157          break;
01158       case SKINNY_DEVICE_7960:
01159       case SKINNY_DEVICE_7961:
01160       case SKINNY_DEVICE_7961GE:
01161       case SKINNY_DEVICE_7962:
01162       case SKINNY_DEVICE_7965:
01163          for (i = 0; i < 6; i++)
01164             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01165          break;
01166       case SKINNY_DEVICE_7940:
01167       case SKINNY_DEVICE_7941:
01168       case SKINNY_DEVICE_7941GE:
01169       case SKINNY_DEVICE_7942:
01170       case SKINNY_DEVICE_7945:
01171          for (i = 0; i < 2; i++)
01172             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01173          break;
01174       case SKINNY_DEVICE_7935:
01175       case SKINNY_DEVICE_7936:
01176          for (i = 0; i < 2; i++)
01177             (btn++)->buttonDefinition = BT_LINE;
01178          break;
01179       case SKINNY_DEVICE_ATA186:
01180          (btn++)->buttonDefinition = BT_LINE;
01181          break;
01182       case SKINNY_DEVICE_7970:
01183       case SKINNY_DEVICE_7971:
01184       case SKINNY_DEVICE_7975:
01185       case SKINNY_DEVICE_CIPC:
01186          for (i = 0; i < 8; i++)
01187             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01188          break;
01189       case SKINNY_DEVICE_7985:
01190          /* XXX I have no idea what the buttons look like on these. */
01191          ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
01192          break;
01193       case SKINNY_DEVICE_7912:
01194       case SKINNY_DEVICE_7911:
01195       case SKINNY_DEVICE_7905:
01196          (btn++)->buttonDefinition = BT_LINE;
01197          (btn++)->buttonDefinition = BT_HOLD;
01198          break;
01199       case SKINNY_DEVICE_7920:
01200          /* XXX I don't know if this is right. */
01201          for (i = 0; i < 4; i++)
01202             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01203          break;
01204       case SKINNY_DEVICE_7921:
01205          for (i = 0; i < 6; i++)
01206             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01207          break;
01208       case SKINNY_DEVICE_7902:
01209          ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
01210          break;
01211       case SKINNY_DEVICE_7906:
01212          ast_log(LOG_WARNING, "Unsupported device type '%d (7906)' found.\n", d->type);
01213          break;
01214       case SKINNY_DEVICE_7931:
01215          ast_log(LOG_WARNING, "Unsupported device type '%d (7931)' found.\n", d->type);
01216          break;
01217       case SKINNY_DEVICE_7937:
01218          ast_log(LOG_WARNING, "Unsupported device type '%d (7937)' found.\n", d->type);
01219          break;
01220       case SKINNY_DEVICE_7914:
01221          ast_log(LOG_WARNING, "Unsupported device type '%d (7914)' found.  Expansion module registered by itself?\n", d->type);
01222          break;
01223       case SKINNY_DEVICE_SCCPGATEWAY_AN:
01224       case SKINNY_DEVICE_SCCPGATEWAY_BRI:
01225          ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
01226          break;
01227       default:
01228          ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
01229          break;
01230    }
01231 
01232    for (a = d->addons; a; a = a->next) {
01233       if (!strcasecmp(a->type, "7914")) {
01234          for (i = 0; i < 14; i++)
01235             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01236       } else {
01237          ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
01238       }
01239    }
01240 
01241    return btn;
01242 }
01243 
01244 static struct skinny_req *req_alloc(size_t size, int response_message)
01245 {
01246    struct skinny_req *req;
01247 
01248    if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
01249       return NULL;
01250 
01251    req->len = htolel(size+4);
01252    req->e = htolel(response_message);
01253 
01254    return req;
01255 }
01256 
01257 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
01258 {
01259    struct skinny_line *l;
01260 
01261    if (!instance)
01262       instance = 1;
01263 
01264    for (l = d->lines; l; l = l->next) {
01265       if (l->instance == instance)
01266          break;
01267    }
01268 
01269    if (!l) {
01270       ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
01271    }
01272    return l;
01273 }
01274 
01275 static struct skinny_line *find_line_by_name(const char *dest)
01276 {
01277    struct skinny_line *l;
01278    struct skinny_device *d;
01279    char line[256];
01280    char *at;
01281    char *device;
01282 
01283    ast_copy_string(line, dest, sizeof(line));
01284    at = strchr(line, '@');
01285    if (!at) {
01286       ast_log(LOG_NOTICE, "Device '%s' has no @ (at) sign!\n", dest);
01287       return NULL;
01288    }
01289    *at++ = '\0';
01290    device = at;
01291    ast_mutex_lock(&devicelock);
01292    for (d = devices; d; d = d->next) {
01293       if (!strcasecmp(d->name, device)) {
01294          if (skinnydebug)
01295             ast_verbose("Found device: %s\n", d->name);
01296          /* Found the device */
01297          for (l = d->lines; l; l = l->next) {
01298             /* Search for the right line */
01299             if (!strcasecmp(l->name, line)) {
01300                ast_mutex_unlock(&devicelock);
01301                return l;
01302             }
01303          }
01304       }
01305    }
01306    /* Device not found */
01307    ast_mutex_unlock(&devicelock);
01308    return NULL;
01309 }
01310 
01311 /* It's quicker/easier to find the subchannel when we know the instance number too */
01312 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
01313 {
01314    struct skinny_line *l = find_line_by_instance(d, instance);
01315    struct skinny_subchannel *sub;
01316 
01317    if (!l) {
01318       return NULL;
01319    }
01320 
01321    if (!reference)
01322       sub = l->sub;
01323    else {
01324       for (sub = l->sub; sub; sub = sub->next) {
01325          if (sub->callid == reference)
01326             break;
01327       }
01328    }
01329 
01330    if (!sub) {
01331       ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
01332    }
01333    return sub;
01334 }
01335 
01336 /* Find the subchannel when we only have the callid - this shouldn't happen often */
01337 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
01338 {
01339    struct skinny_line *l;
01340    struct skinny_subchannel *sub = NULL;
01341 
01342    for (l = d->lines; l; l = l->next) {
01343       for (sub = l->sub; sub; sub = sub->next) {
01344          if (sub->callid == reference)
01345             break;
01346       }
01347       if (sub)
01348          break;
01349    }
01350 
01351    if (!l) {
01352       ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
01353    } else {
01354       if (!sub) {
01355          ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
01356       }
01357    }
01358    return sub;
01359 }
01360 
01361 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance)
01362 {
01363    struct skinny_speeddial *sd;
01364 
01365    for (sd = d->speeddials; sd; sd = sd->next) {
01366       if (sd->instance == instance)
01367          break;
01368    }
01369 
01370    if (!sd) {
01371       ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
01372    }
01373    return sd;
01374 }
01375 
01376 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
01377 {
01378    switch (skinnycodec) {
01379    case SKINNY_CODEC_ALAW:
01380       return AST_FORMAT_ALAW;
01381    case SKINNY_CODEC_ULAW:
01382       return AST_FORMAT_ULAW;
01383    case SKINNY_CODEC_G723_1:
01384       return AST_FORMAT_G723_1;
01385    case SKINNY_CODEC_G729A:
01386       return AST_FORMAT_G729A;
01387    case SKINNY_CODEC_G726_32:
01388       return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
01389    case SKINNY_CODEC_H261:
01390       return AST_FORMAT_H261;
01391    case SKINNY_CODEC_H263:
01392       return AST_FORMAT_H263;
01393    default:
01394       return 0;
01395    }
01396 }
01397 
01398 static int codec_ast2skinny(int astcodec)
01399 {
01400    switch (astcodec) {
01401    case AST_FORMAT_ALAW:
01402       return SKINNY_CODEC_ALAW;
01403    case AST_FORMAT_ULAW:
01404       return SKINNY_CODEC_ULAW;
01405    case AST_FORMAT_G723_1:
01406       return SKINNY_CODEC_G723_1;
01407    case AST_FORMAT_G729A:
01408       return SKINNY_CODEC_G729A;
01409    case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
01410       return SKINNY_CODEC_G726_32;
01411    case AST_FORMAT_H261:
01412       return SKINNY_CODEC_H261;
01413    case AST_FORMAT_H263:
01414       return SKINNY_CODEC_H263;
01415    default:
01416       return 0;
01417    }
01418 }
01419 
01420 
01421 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
01422 {
01423    struct skinny_device *d;
01424    struct sockaddr_in sin;
01425    socklen_t slen;
01426 
01427    ast_mutex_lock(&devicelock);
01428    for (d = devices; d; d = d->next) {
01429       if (!strcasecmp(req->data.reg.name, d->id)
01430             && ast_apply_ha(d->ha, &(s->sin))) {
01431          s->device = d;
01432          d->type = letohl(req->data.reg.type);
01433          if (ast_strlen_zero(d->version_id)) {
01434             ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
01435          }
01436          d->registered = 1;
01437          d->session = s;
01438 
01439          slen = sizeof(sin);
01440          if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
01441             ast_log(LOG_WARNING, "Cannot get socket name\n");
01442             sin.sin_addr = __ourip;
01443          }
01444          d->ourip = sin.sin_addr;
01445          break;
01446       }
01447    }
01448    ast_mutex_unlock(&devicelock);
01449    if (!d) {
01450       return 0;
01451    }
01452    return 1;
01453 }
01454 
01455 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
01456 {
01457    struct skinny_device *d;
01458 
01459    d = s->device;
01460 
01461    if (d) {
01462       d->session = NULL;
01463       d->registered = 0;
01464    }
01465 
01466    return -1; /* main loop will destroy the session */
01467 }
01468 
01469 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
01470 {
01471    int res = 0;
01472 
01473    if (!s) {
01474       ast_log(LOG_WARNING, "Asked to transmit to a non-existant session!\n");
01475       return -1;
01476    }
01477 
01478    ast_mutex_lock(&s->lock);
01479 
01480    if (skinnydebug)
01481       ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
01482 
01483    if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
01484       ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
01485       return -1;
01486    }
01487 
01488    memset(s->outbuf,0,sizeof(s->outbuf));
01489    memcpy(s->outbuf, req, skinny_header_size);
01490    memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
01491 
01492    res = write(s->fd, s->outbuf, letohl(req->len)+8);
01493 
01494    if (res != letohl(req->len)+8) {
01495       ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
01496       if (res == -1) {
01497          if (skinnydebug)
01498             ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
01499          skinny_unregister(NULL, s);
01500       }
01501       
01502    }
01503    
01504    ast_mutex_unlock(&s->lock);
01505    return 1;
01506 }
01507 
01508 static void transmit_speaker_mode(struct skinnysession *s, int mode)
01509 {
01510    struct skinny_req *req;
01511 
01512    if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
01513       return;
01514 
01515    req->data.setspeaker.mode = htolel(mode);
01516    transmit_response(s, req);
01517 }
01518 /*
01519 static void transmit_microphone_mode(struct skinnysession *s, int mode)
01520 {
01521    struct skinny_req *req;
01522 
01523    if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
01524       return;
01525 
01526    req->data.setmicrophone.mode = htolel(mode);
01527    transmit_response(s, req);
01528 }
01529 */
01530 
01531 static void transmit_callinfo(struct skinnysession *s, const char *fromname, const char *fromnum, const char *toname, const char *tonum, int instance, int callid, int calltype)
01532 {
01533    struct skinny_req *req;
01534 
01535    if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
01536       return;
01537 
01538    if (skinnydebug)
01539          ast_verbose("Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
01540 
01541    if (fromname) {
01542       ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
01543    }
01544    if (fromnum) {
01545       ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
01546    }
01547    if (toname) {
01548       ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
01549    }
01550    if (tonum) {
01551       ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
01552    }
01553    req->data.callinfo.instance = htolel(instance);
01554    req->data.callinfo.reference = htolel(callid);
01555    req->data.callinfo.type = htolel(calltype);
01556    transmit_response(s, req);
01557 }
01558 
01559 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
01560 {
01561    struct skinny_req *req;
01562    struct skinny_line *l = sub->parent;
01563    struct ast_format_list fmt;
01564 
01565    if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
01566       return;
01567 
01568    fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
01569 
01570    req->data.openreceivechannel.conferenceId = htolel(sub->callid);
01571    req->data.openreceivechannel.partyId = htolel(sub->callid);
01572    req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
01573    req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
01574    req->data.openreceivechannel.echo = htolel(0);
01575    req->data.openreceivechannel.bitrate = htolel(0);
01576    transmit_response(s, req);
01577 }
01578 
01579 static void transmit_tone(struct skinnysession *s, int tone, int instance, int reference)
01580 {
01581    struct skinny_req *req;
01582 
01583    if (tone == SKINNY_NOTONE) {
01584       /* This is bad, mmm'kay? */
01585       return;
01586    }
01587 
01588    if (tone > 0) {
01589       if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
01590          return;
01591       req->data.starttone.tone = htolel(tone);
01592       req->data.starttone.instance = htolel(instance);
01593       req->data.starttone.reference = htolel(reference);
01594    } else {
01595       if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
01596          return;
01597       req->data.stoptone.instance = htolel(instance);
01598       req->data.stoptone.reference = htolel(reference);
01599    }
01600 
01601    if (tone > 0) {
01602       req->data.starttone.tone = htolel(tone);
01603    }
01604    transmit_response(s, req);
01605 }
01606 
01607 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
01608 {
01609    struct skinny_req *req;
01610 
01611    if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
01612       return;
01613 
01614    req->data.selectsoftkey.instance = htolel(instance);
01615    req->data.selectsoftkey.reference = htolel(callid);
01616    req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
01617    req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
01618    transmit_response(s, req);
01619 }
01620 
01621 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
01622 {
01623    struct skinny_req *req;
01624 
01625    if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
01626       return;
01627 
01628    req->data.setlamp.stimulus = htolel(stimulus);
01629    req->data.setlamp.stimulusInstance = htolel(instance);
01630    req->data.setlamp.deviceStimulus = htolel(indication);
01631    transmit_response(s, req);
01632 }
01633 
01634 static void transmit_ringer_mode(struct skinnysession *s, int mode)
01635 {
01636    struct skinny_req *req;
01637 
01638    if (skinnydebug)
01639       ast_verbose("Setting ringer mode to '%d'.\n", mode);
01640 
01641    if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
01642       return;
01643 
01644    req->data.setringer.ringerMode = htolel(mode);
01645    /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
01646       Note: The phone will always show as ringing on the display.
01647 
01648       1: phone will audibly ring over and over
01649       2: phone will audibly ring only once
01650       any other value, will NOT cause the phone to audibly ring
01651    */
01652    req->data.setringer.unknown1 = htolel(1);
01653    /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
01654       Perhaps a packet capture can shed some light on this. */
01655    req->data.setringer.unknown2 = htolel(1);
01656    transmit_response(s, req);
01657 }
01658 
01659 static void transmit_displaymessage(struct skinnysession *s, const char *text, int instance, int reference)
01660 {
01661    struct skinny_req *req;
01662 
01663    if (text == 0) {
01664       if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
01665          return;
01666 
01667       req->data.clearpromptstatus.lineInstance = instance;
01668       req->data.clearpromptstatus.callReference = reference;
01669 
01670       if (skinnydebug)
01671          ast_verbose("Clearing Display\n");
01672    } else {
01673       if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
01674          return;
01675 
01676       ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
01677       if (skinnydebug)
01678          ast_verbose("Displaying message '%s'\n", req->data.displaytext.text);
01679    }
01680 
01681    transmit_response(s, req);
01682 }
01683 
01684 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
01685 {
01686    struct skinny_req *req;
01687 
01688    if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
01689       return;
01690 
01691    ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
01692    req->data.displaynotify.displayTimeout = htolel(t);
01693 
01694    if (skinnydebug)
01695       ast_verbose("Displaying notify '%s'\n", text);
01696 
01697    transmit_response(s, req);
01698 }
01699 
01700 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
01701 {
01702    struct skinny_req *req;
01703 
01704    if (text == 0) {
01705       if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
01706          return;
01707 
01708       req->data.clearpromptstatus.lineInstance = htolel(instance);
01709       req->data.clearpromptstatus.callReference = htolel(callid);
01710 
01711       if (skinnydebug)
01712          ast_verbose("Clearing Prompt\n");
01713    } else {
01714       if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
01715          return;
01716 
01717       ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
01718       req->data.displaypromptstatus.messageTimeout = htolel(t);
01719       req->data.displaypromptstatus.lineInstance = htolel(instance);
01720       req->data.displaypromptstatus.callReference = htolel(callid);
01721 
01722       if (skinnydebug)
01723          ast_verbose("Displaying Prompt Status '%s'\n", text);
01724    }
01725 
01726    transmit_response(s, req);
01727 }
01728 
01729 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
01730 {
01731    struct skinny_req *req;
01732 
01733    if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
01734       return;
01735 
01736    ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
01737    req->data.dialednumber.lineInstance = htolel(instance);
01738    req->data.dialednumber.callReference = htolel(callid);
01739 
01740    transmit_response(s, req);
01741 }
01742 
01743 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
01744 {
01745    struct skinny_req *req;
01746 
01747    if (state == SKINNY_ONHOOK) {
01748       if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
01749          return;
01750 
01751       req->data.closereceivechannel.conferenceId = htolel(callid);
01752       req->data.closereceivechannel.partyId = htolel(callid);
01753       transmit_response(s, req);
01754 
01755       if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
01756          return;
01757 
01758       req->data.stopmedia.conferenceId = htolel(callid);
01759       req->data.stopmedia.passThruPartyId = htolel(callid);
01760       transmit_response(s, req);
01761 
01762       transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
01763 
01764       transmit_displaypromptstatus(s, NULL, 0, instance, callid);
01765    }
01766 
01767    if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
01768       return;
01769 
01770    req->data.callstate.callState = htolel(state);
01771    req->data.callstate.lineInstance = htolel(instance);
01772    req->data.callstate.callReference = htolel(callid);
01773    transmit_response(s, req);
01774 
01775    if (state == SKINNY_ONHOOK) {
01776       transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
01777    }
01778 
01779    if (state == SKINNY_OFFHOOK || state == SKINNY_ONHOOK) {
01780       if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
01781          return;
01782 
01783       req->data.activatecallplane.lineInstance = htolel(instance);
01784       transmit_response(s, req);
01785    }
01786 }
01787 
01788 /*
01789 static int has_voicemail(struct skinny_line *l)
01790 {
01791    return ast_app_has_voicemail(l->mailbox, NULL);
01792 }
01793 */
01794 
01795 static void do_housekeeping(struct skinnysession *s)
01796 {
01797 /*
01798    int new;
01799    int old;
01800    struct skinny_device *d = s->device;
01801    struct skinny_line *l;
01802 */
01803 
01804    /* Update time on device */
01805    handle_time_date_req_message(NULL, s);
01806 
01807 /*
01808    for (l = d->lines; l; l = l->next) {
01809       if (has_voicemail(l)) {
01810          if (skinnydebug)
01811             ast_verbose("Checking for voicemail Skinny %s@%s\n", l->name, d->name);
01812          ast_app_inboxcount(l->mailbox, &new, &old);
01813          if (skinnydebug)
01814             ast_verbose("Skinny %s@%s has voicemail!\n", l->name, d->name);
01815          transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
01816       } else {
01817          transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
01818       }
01819    }
01820 */
01821 }
01822 
01823 /* I do not believe skinny can deal with video.
01824    Anyone know differently? */
01825 /* Yes, it can.  Currently 7985 and Cisco VT Advantage do video. */
01826 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
01827 {
01828    struct skinny_subchannel *sub = NULL;
01829 
01830    if (!(sub = c->tech_pvt) || !(sub->vrtp))
01831       return AST_RTP_GET_FAILED;
01832 
01833    *rtp = sub->vrtp;
01834 
01835    return AST_RTP_TRY_NATIVE;
01836 }
01837 
01838 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
01839 {
01840    struct skinny_subchannel *sub = NULL;
01841 
01842    if (!(sub = c->tech_pvt) || !(sub->rtp))
01843       return AST_RTP_GET_FAILED;
01844 
01845    *rtp = sub->rtp;
01846 
01847    return AST_RTP_TRY_NATIVE;
01848 }
01849 
01850 static int skinny_set_rtp_peer(struct ast_channel *c, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active)
01851 {
01852    struct skinny_subchannel *sub;
01853    sub = c->tech_pvt;
01854    if (sub) {
01855       /* transmit_modify_with_sdp(sub, rtp); @@FIXME@@ if needed */
01856       return 0;
01857    }
01858    return -1;
01859 }
01860 
01861 static struct ast_rtp_protocol skinny_rtp = {
01862    .type = "Skinny",
01863    .get_rtp_info = skinny_get_rtp_peer,
01864    .get_vrtp_info = skinny_get_vrtp_peer,
01865    .set_rtp_peer = skinny_set_rtp_peer,
01866 };
01867 
01868 static int skinny_do_debug(int fd, int argc, char *argv[])
01869 {
01870    if (argc != 3) {
01871       return RESULT_SHOWUSAGE;
01872    }
01873    skinnydebug = 1;
01874    ast_cli(fd, "Skinny Debugging Enabled\n");
01875    return RESULT_SUCCESS;
01876 }
01877 
01878 static int skinny_no_debug(int fd, int argc, char *argv[])
01879 {
01880    if (argc != 4) {
01881       return RESULT_SHOWUSAGE;
01882    }
01883    skinnydebug = 0;
01884    ast_cli(fd, "Skinny Debugging Disabled\n");
01885    return RESULT_SUCCESS;
01886 }
01887 
01888 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
01889 {
01890    struct skinny_device *d;
01891 
01892    char *result = NULL;
01893    int wordlen = strlen(word);
01894    int which = 0;
01895 
01896    if (pos == 2) {
01897       for (d = devices; d && !result; d = d->next) {
01898          if (!strncasecmp(word, d->id, wordlen) && ++which > state)
01899             result = ast_strdup(d->id);
01900       }
01901    }
01902 
01903    return result;
01904 }
01905 
01906 static int skinny_reset_device(int fd, int argc, char *argv[])
01907 {
01908    struct skinny_device *d;
01909    struct skinny_req *req;
01910 
01911    if (argc < 3 || argc > 4) {
01912       return RESULT_SHOWUSAGE;
01913    }
01914    ast_mutex_lock(&devicelock);
01915 
01916    for (d = devices; d; d = d->next) {
01917       int fullrestart = 0;
01918       if (!strcasecmp(argv[2], d->id) || !strcasecmp(argv[2], "all")) {
01919          if (!(d->session))
01920             continue;
01921 
01922          if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
01923             continue;
01924 
01925          if (argc == 4 && !strcasecmp(argv[3], "restart"))
01926             fullrestart = 1;
01927 
01928          if (fullrestart)
01929             req->data.reset.resetType = 2;
01930          else
01931             req->data.reset.resetType = 1;
01932 
01933          if (option_verbose > 2)
01934             ast_verbose(VERBOSE_PREFIX_3 "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
01935          transmit_response(d->session, req);
01936       }
01937    }
01938    ast_mutex_unlock(&devicelock);
01939    return RESULT_SUCCESS;
01940 }
01941 
01942 static char *device2str(int type)
01943 {
01944    char *tmp;
01945 
01946    switch (type) {
01947    case SKINNY_DEVICE_NONE:
01948       return "No Device";
01949    case SKINNY_DEVICE_30SPPLUS:
01950       return "30SP Plus";
01951    case SKINNY_DEVICE_12SPPLUS:
01952       return "12SP Plus";
01953    case SKINNY_DEVICE_12SP:
01954       return "12SP";
01955    case SKINNY_DEVICE_12:
01956       return "12";
01957    case SKINNY_DEVICE_30VIP:
01958       return "30VIP";
01959    case SKINNY_DEVICE_7910:
01960       return "7910";
01961    case SKINNY_DEVICE_7960:
01962       return "7960";
01963    case SKINNY_DEVICE_7940:
01964       return "7940";
01965    case SKINNY_DEVICE_7935:
01966       return "7935";
01967    case SKINNY_DEVICE_ATA186:
01968       return "ATA186";
01969    case SKINNY_DEVICE_7941:
01970       return "7941";
01971    case SKINNY_DEVICE_7971:
01972       return "7971";
01973    case SKINNY_DEVICE_7914:
01974       return "7914";
01975    case SKINNY_DEVICE_7985:
01976       return "7985";
01977    case SKINNY_DEVICE_7911:
01978       return "7911";
01979    case SKINNY_DEVICE_7961GE:
01980       return "7961GE";
01981    case SKINNY_DEVICE_7941GE:
01982       return "7941GE";
01983    case SKINNY_DEVICE_7931:
01984       return "7931";
01985    case SKINNY_DEVICE_7921:
01986       return "7921";
01987    case SKINNY_DEVICE_7906:
01988       return "7906";
01989    case SKINNY_DEVICE_7962:
01990       return "7962";
01991    case SKINNY_DEVICE_7937:
01992       return "7937";
01993    case SKINNY_DEVICE_7942:
01994       return "7942";
01995    case SKINNY_DEVICE_7945:
01996       return "7945";
01997    case SKINNY_DEVICE_7965:
01998       return "7965";
01999    case SKINNY_DEVICE_7975:
02000       return "7975";
02001    case SKINNY_DEVICE_7905:
02002       return "7905";
02003    case SKINNY_DEVICE_7920:
02004       return "7920";
02005    case SKINNY_DEVICE_7970:
02006       return "7970";
02007    case SKINNY_DEVICE_7912:
02008       return "7912";
02009    case SKINNY_DEVICE_7902:
02010       return "7902";
02011    case SKINNY_DEVICE_CIPC:
02012       return "IP Communicator";
02013    case SKINNY_DEVICE_7961:
02014       return "7961";
02015    case SKINNY_DEVICE_7936:
02016       return "7936";
02017    case SKINNY_DEVICE_SCCPGATEWAY_AN:
02018       return "SCCPGATEWAY_AN";
02019    case SKINNY_DEVICE_SCCPGATEWAY_BRI:
02020       return "SCCPGATEWAY_BRI";
02021    case SKINNY_DEVICE_UNKNOWN:
02022       return "Unknown";
02023    default:
02024       if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
02025          return "Unknown";
02026       snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
02027       return tmp;
02028    }
02029 }
02030 
02031 static int skinny_show_devices(int fd, int argc, char *argv[])
02032 {
02033    struct skinny_device *d;
02034    struct skinny_line *l;
02035    int numlines = 0;
02036 
02037    if (argc != 3) {
02038       return RESULT_SHOWUSAGE;
02039    }
02040    ast_mutex_lock(&devicelock);
02041 
02042    ast_cli(fd, "Name                 DeviceId         IP              Type            R NL\n");
02043    ast_cli(fd, "-------------------- ---------------- --------------- --------------- - --\n");
02044    for (d = devices; d; d = d->next) {
02045       numlines = 0;
02046       for (l = d->lines; l; l = l->next) {
02047          numlines++;
02048       }
02049 
02050       ast_cli(fd, "%-20s %-16s %-15s %-15s %c %2d\n",
02051             d->name,
02052             d->id,
02053             d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
02054             device2str(d->type),
02055             d->registered?'Y':'N',
02056             numlines);
02057    }
02058    ast_mutex_unlock(&devicelock);
02059    return RESULT_SUCCESS;
02060 }
02061 
02062 static int skinny_show_lines(int fd, int argc, char *argv[])
02063 {
02064    struct skinny_device *d;
02065    struct skinny_line *l;
02066 
02067    if (argc != 3) {
02068       return RESULT_SHOWUSAGE;
02069    }
02070    ast_mutex_lock(&devicelock);
02071 
02072    ast_cli(fd, "Device Name          Instance Name                 Label               \n");
02073    ast_cli(fd, "-------------------- -------- -------------------- --------------------\n");
02074    for (d = devices; d; d = d->next) {
02075       for (l = d->lines; l; l = l->next) {
02076          ast_cli(fd, "%-20s %8d %-20s %-20s\n",
02077             d->name,
02078             l->instance,
02079             l->name,
02080             l->label);
02081       }
02082    }
02083 
02084    ast_mutex_unlock(&devicelock);
02085    return RESULT_SUCCESS;
02086 }
02087 
02088 static char show_devices_usage[] =
02089 "Usage: skinny show devices\n"
02090 "       Lists all devices known to the Skinny subsystem.\n";
02091 
02092 static char show_lines_usage[] =
02093 "Usage: skinny show lines\n"
02094 "       Lists all lines known to the Skinny subsystem.\n";
02095 
02096 static char debug_usage[] =
02097 "Usage: skinny set debug\n"
02098 "       Enables dumping of Skinny packets for debugging purposes\n";
02099 
02100 static char no_debug_usage[] =
02101 "Usage: skinny set debug off\n"
02102 "       Disables dumping of Skinny packets for debugging purposes\n";
02103 
02104 static char reset_usage[] =
02105 "Usage: skinny reset <DeviceId|all> [restart]\n"
02106 "       Causes a Skinny device to reset itself, optionally with a full restart\n";
02107 
02108 static struct ast_cli_entry cli_skinny[] = {
02109    { { "skinny", "show", "devices", NULL },
02110    skinny_show_devices, "List defined Skinny devices",
02111    show_devices_usage },
02112 
02113    { { "skinny", "show", "lines", NULL },
02114    skinny_show_lines, "List defined Skinny lines per device",
02115    show_lines_usage },
02116 
02117    { { "skinny", "set", "debug", NULL },
02118    skinny_do_debug, "Enable Skinny debugging",
02119    debug_usage },
02120 
02121    { { "skinny", "set", "debug", "off", NULL },
02122    skinny_no_debug, "Disable Skinny debugging",
02123    no_debug_usage },
02124 
02125    { { "skinny", "reset", NULL },
02126    skinny_reset_device, "Reset Skinny device(s)",
02127    reset_usage, complete_skinny_reset },
02128 };
02129 
02130 #if 0
02131 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
02132 {
02133    return NULL;
02134 }
02135 #endif
02136 
02137 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
02138 {
02139    struct skinny_device *d;
02140    struct skinny_line *l;
02141    struct skinny_speeddial *sd;
02142    struct skinny_addon *a;
02143    int lineInstance = 1;
02144    int speeddialInstance = 1;
02145    int y = 0;
02146 
02147    if (!(d = ast_calloc(1, sizeof(struct skinny_device)))) {
02148       return NULL;
02149    } else {
02150       ast_copy_string(d->name, cat, sizeof(d->name));
02151       d->lastlineinstance = 1;
02152       d->capability = default_capability;
02153       d->prefs = default_prefs;
02154       d->earlyrtp = 1;
02155       while(v) {
02156          if (!strcasecmp(v->name, "host")) {
02157             if (ast_get_ip(&d->addr, v->value)) {
02158                free(d);
02159                return NULL;
02160             }
02161          } else if (!strcasecmp(v->name, "port")) {
02162             d->addr.sin_port = htons(atoi(v->value));
02163          } else if (!strcasecmp(v->name, "device")) {
02164             ast_copy_string(d->id, v->value, sizeof(d->id));
02165          } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
02166             d->ha = ast_append_ha(v->name, v->value, d->ha);
02167          } else if (!strcasecmp(v->name, "context")) {
02168             ast_copy_string(context, v->value, sizeof(context));
02169          } else if (!strcasecmp(v->name, "allow")) {
02170             ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
02171          } else if (!strcasecmp(v->name, "disallow")) {
02172             ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
02173          } else if (!strcasecmp(v->name, "version")) {
02174             ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
02175          } else if (!strcasecmp(v->name, "earlyrtp")) {
02176             d->earlyrtp = ast_true(v->value);
02177          } else if (!strcasecmp(v->name, "nat")) {
02178             nat = ast_true(v->value);
02179          } else if (!strcasecmp(v->name, "callerid")) {
02180             if (!strcasecmp(v->value, "asreceived")) {
02181                cid_num[0] = '\0';
02182                cid_name[0] = '\0';
02183             } else {
02184                ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
02185             }
02186          } else if (!strcasecmp(v->name, "language")) {
02187             ast_copy_string(language, v->value, sizeof(language));
02188          } else if (!strcasecmp(v->name, "accountcode")) {
02189             ast_copy_string(accountcode, v->value, sizeof(accountcode));
02190          } else if (!strcasecmp(v->name, "amaflags")) {
02191             y = ast_cdr_amaflags2int(v->value);
02192             if (y < 0) {
02193                ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
02194             } else {
02195                amaflags = y;
02196             }
02197          } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
02198             ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
02199          } else if (!strcasecmp(v->name, "mohsuggest")) {
02200             ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
02201          } else if (!strcasecmp(v->name, "callgroup")) {
02202             cur_callergroup = ast_get_group(v->value);
02203          } else if (!strcasecmp(v->name, "pickupgroup")) {
02204             cur_pickupgroup = ast_get_group(v->value);
02205          } else if (!strcasecmp(v->name, "immediate")) {
02206             immediate = ast_true(v->value);
02207          } else if (!strcasecmp(v->name, "cancallforward")) {
02208             cancallforward = ast_true(v->value);
02209          } else if (!strcasecmp(v->name, "mailbox")) {
02210             ast_copy_string(mailbox, v->value, sizeof(mailbox));
02211          } else if (!strcasecmp(v->name, "callreturn")) {
02212             callreturn = ast_true(v->value);
02213          } else if (!strcasecmp(v->name, "callwaiting")) {
02214             callwaiting = ast_true(v->value);
02215          } else if (!strcasecmp(v->name, "transfer")) {
02216             transfer = ast_true(v->value);
02217          } else if (!strcasecmp(v->name, "threewaycalling")) {
02218             threewaycalling = ast_true(v->value);
02219          } else if (!strcasecmp(v->name, "mwiblink")) {
02220             mwiblink = ast_true(v->value);
02221          } else if (!strcasecmp(v->name, "linelabel")) {
02222             ast_copy_string(linelabel, v->value, sizeof(linelabel));
02223          } else if (!strcasecmp(v->name, "speeddial")) {
02224             if (!(sd = ast_calloc(1, sizeof(struct skinny_speeddial)))) {
02225                return NULL;
02226             } else {
02227                char *stringp, *exten, *label;
02228                stringp = v->value;
02229                exten = strsep(&stringp, ",");
02230                label = strsep(&stringp, ",");
02231                ast_mutex_init(&sd->lock);
02232                ast_copy_string(sd->exten, exten, sizeof(sd->exten));
02233                if (label)
02234                   ast_copy_string(sd->label, label, sizeof(sd->label));
02235                else
02236                   ast_copy_string(sd->label, exten, sizeof(sd->label));
02237                sd->instance = speeddialInstance++;
02238 
02239                sd->parent = d;
02240 
02241                sd->next = d->speeddials;
02242                d->speeddials = sd;
02243             }
02244          } else if (!strcasecmp(v->name, "addon")) {
02245             if (!(a = ast_calloc(1, sizeof(struct skinny_addon)))) {
02246                return NULL;
02247             } else {
02248                ast_mutex_init(&a->lock);
02249                ast_copy_string(a->type, v->value, sizeof(a->type));
02250 
02251                a->next = d->addons;
02252                d->addons = a;
02253             }
02254          } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
02255             if (!(l = ast_calloc(1, sizeof(struct skinny_line)))) {
02256                return NULL;
02257             } else {
02258                ast_mutex_init(&l->lock);
02259                ast_copy_string(l->name, v->value, sizeof(l->name));
02260 
02261                /* XXX Should we check for uniqueness?? XXX */
02262                ast_copy_string(l->context, context, sizeof(l->context));
02263                ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
02264                ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
02265                ast_copy_string(l->label, linelabel, sizeof(l->label));
02266                ast_copy_string(l->language, language, sizeof(l->language));
02267                ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
02268                ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
02269                ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
02270                if (!ast_strlen_zero(mailbox)) {
02271                   if (option_verbose > 2)
02272                      ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
02273                }
02274                l->msgstate = -1;
02275                l->capability = d->capability;
02276                l->prefs = d->prefs;
02277                l->parent = d;
02278                if (!strcasecmp(v->name, "trunk")) {
02279                   l->type = TYPE_TRUNK;
02280                } else {
02281                   l->type = TYPE_LINE;
02282                }
02283                l->immediate = immediate;
02284                l->callgroup = cur_callergroup;
02285                l->pickupgroup = cur_pickupgroup;
02286                l->callreturn = callreturn;
02287                l->cancallforward = cancallforward;
02288                l->callwaiting = callwaiting;
02289                l->transfer = transfer;
02290                l->threewaycalling = threewaycalling;
02291                l->mwiblink = mwiblink;
02292                l->onhooktime = time(NULL);
02293                l->instance = lineInstance++;
02294                /* ASSUME we're onhook at this point */
02295                l->hookstate = SKINNY_ONHOOK;
02296                l->nat = nat;
02297 
02298                l->next = d->lines;
02299                d->lines = l;
02300             }
02301          } else {
02302             ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
02303          }
02304          v = v->next;
02305       }
02306 
02307       if (!d->lines) {
02308          ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
02309          return NULL;
02310       }
02311       if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
02312          d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
02313       }
02314 #if 0
02315       /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
02316       if (d->addr.sin_addr.s_addr) {
02317          /* XXX See note above, in 'host' option. */
02318          if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
02319             d->ourip = __ourip;
02320          }
02321       } else {
02322          d->ourip = __ourip;
02323       }
02324 #endif
02325    }
02326    return d;
02327 }
02328 
02329 static void start_rtp(struct skinny_subchannel *sub)
02330 {
02331    struct skinny_line *l = sub->parent;
02332    struct skinny_device *d = l->parent;
02333    int hasvideo = 0;
02334 
02335    ast_mutex_lock(&sub->lock);
02336    /* Allocate the RTP */
02337    sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
02338    if (hasvideo)
02339       sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
02340    
02341    if (sub->rtp && sub->owner) {
02342       sub->owner->fds[0] = ast_rtp_fd(sub->rtp);
02343       sub->owner->fds[1] = ast_rtcp_fd(sub->rtp);
02344    }
02345    if (hasvideo && sub->vrtp && sub->owner) {
02346       sub->owner->fds[2] = ast_rtp_fd(sub->vrtp);
02347       sub->owner->fds[3] = ast_rtcp_fd(sub->vrtp);
02348    }
02349    if (sub->rtp) {
02350       ast_rtp_setnat(sub->rtp, l->nat);
02351    }
02352    if (sub->vrtp) {
02353       ast_rtp_setnat(sub->vrtp, l->nat);
02354    }
02355    /* Set Frame packetization */
02356    if (sub->rtp)
02357       ast_rtp_codec_setpref(sub->rtp, &l->prefs);
02358 
02359    /* Create the RTP connection */
02360    transmit_connect(d->session, sub);
02361    ast_mutex_unlock(&sub->lock);
02362 }
02363 
02364 static void *skinny_newcall(void *data)
02365 {
02366    struct ast_channel *c = data;
02367    struct skinny_subchannel *sub = c->tech_pvt;
02368    struct skinny_line *l = sub->parent;
02369    struct skinny_device *d = l->parent;
02370    struct skinnysession *s = d->session;
02371    int res = 0;
02372 
02373    ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
02374    ast_set_callerid(c,
02375       l->hidecallerid ? "" : l->cid_num,
02376       l->hidecallerid ? "" : l->cid_name,
02377       c->cid.cid_ani ? NULL : l->cid_num);
02378    ast_setstate(c, AST_STATE_RING);
02379    if (!sub->rtp) {
02380       start_rtp(sub);
02381    }
02382    res = ast_pbx_run(c);
02383    if (res) {
02384       ast_log(LOG_WARNING, "PBX exited non-zero\n");
02385       transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02386    }
02387    return NULL;
02388 }
02389 
02390 static void *skinny_ss(void *data)
02391 {
02392    struct ast_channel *c = data;
02393    struct skinny_subchannel *sub = c->tech_pvt;
02394    struct skinny_line *l = sub->parent;
02395    struct skinny_device *d = l->parent;
02396    struct skinnysession *s = d->session;
02397    int len = 0;
02398    int timeout = firstdigittimeout;
02399    int res = 0;
02400    int getforward=0;
02401    int loop_pause = 100;
02402 
02403    if (option_verbose > 2)
02404       ast_verbose( VERBOSE_PREFIX_3 "Starting simple switch on '%s@%s'\n", l->name, d->name);
02405    len = strlen(d->exten);
02406 
02407    while (len < AST_MAX_EXTENSION-1) {
02408 
02409       res = 1;  /* Assume we will get a digit */
02410       while (strlen(d->exten) == len) {
02411          ast_safe_sleep(c, loop_pause);
02412          timeout -= loop_pause;
02413          if (timeout <= 0){
02414             res = 0;
02415             break;
02416          }
02417       }
02418 
02419       len = strlen(d->exten);
02420 
02421       if (!ast_ignore_pattern(c->context, d->exten)) {
02422          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02423       }
02424 
02425       if (ast_exists_extension(c, c->context, d->exten, 1, l->cid_num)) {
02426          if (!res || !ast_matchmore_extension(c, c->context, d->exten, 1, l->cid_num)) {
02427             if (getforward) {
02428                /* Record this as the forwarding extension */
02429                ast_copy_string(l->call_forward, d->exten, sizeof(l->call_forward));
02430                if (option_verbose > 2)
02431                   ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n",
02432                      l->call_forward, c->name);
02433                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
02434                if (res) {
02435                   break;
02436                }
02437                ast_safe_sleep(c, 500);
02438                ast_indicate(c, -1);
02439                ast_safe_sleep(c, 1000);
02440                memset(d->exten, 0, sizeof(d->exten));
02441                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
02442                len = 0;
02443                getforward = 0;
02444             } else {
02445                ast_copy_string(c->exten, d->exten, sizeof(c->exten));
02446                ast_copy_string(l->lastnumberdialed, d->exten, sizeof(l->lastnumberdialed));
02447                memset (d->exten, 0, sizeof(d->exten));
02448                skinny_newcall(c);
02449                return NULL;
02450             }
02451          } else {
02452             /* It's a match, but they just typed a digit, and there is an ambiguous match,
02453                so just set the timeout to matchdigittimeout and wait some more */
02454             timeout = matchdigittimeout;
02455          }
02456       } else if (res == 0) {
02457          ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
02458          memset(d->exten, 0, sizeof(d->exten));
02459          transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02460          if (sub->owner && sub->owner->_state != AST_STATE_UP) {
02461             ast_indicate(c, -1);
02462             ast_hangup(c);
02463          }
02464          return NULL;
02465       } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
02466             ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
02467          ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", d->exten, c->cid.cid_num ? c->cid.cid_num : "<Unknown Caller>", c->context);
02468          memset(d->exten, 0, sizeof(d->exten));
02469          transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02470          /* hang out for 3 seconds to let congestion play */
02471          ast_safe_sleep(c, 3000);
02472          break;
02473       }
02474       if (!timeout) {
02475          timeout = gendigittimeout;
02476       }
02477       if (len && !ast_ignore_pattern(c->context, d->exten)) {
02478          ast_indicate(c, -1);
02479       }
02480    }
02481    if (c)
02482       ast_hangup(c);
02483 
02484    memset(d->exten, 0, sizeof(d->exten));
02485    return NULL;
02486 }
02487 
02488 
02489 
02490 static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
02491 {
02492    int res = 0;
02493    int tone = 0;
02494    struct skinny_subchannel *sub = ast->tech_pvt;
02495    struct skinny_line *l = sub->parent;
02496    struct skinny_device *d = l->parent;
02497    struct skinnysession *s = d->session;
02498 
02499    if (!d->registered) {
02500       ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
02501       return -1;
02502    }
02503 
02504    if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
02505       ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
02506       return -1;
02507    }
02508 
02509    if (skinnydebug)
02510       ast_verbose(VERBOSE_PREFIX_3 "skinny_call(%s)\n", ast->name);
02511 
02512    if (l->dnd) {
02513       ast_queue_control(ast, AST_CONTROL_BUSY);
02514       return -1;
02515    }
02516 
02517    switch (l->hookstate) {
02518    case SKINNY_OFFHOOK:
02519       tone = SKINNY_CALLWAITTONE;
02520       break;
02521    case SKINNY_ONHOOK:
02522       tone = SKINNY_ALERT;
02523       break;
02524    default:
02525       ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
02526       break;
02527    }
02528 
02529    transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
02530    transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
02531    transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
02532    transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
02533    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
02534    transmit_ringer_mode(s, SKINNY_RING_INSIDE);
02535 
02536    ast_setstate(ast, AST_STATE_RINGING);
02537    ast_queue_control(ast, AST_CONTROL_RINGING);
02538    sub->outgoing = 1;
02539    return res;
02540 }
02541 
02542 static int skinny_hangup(struct ast_channel *ast)
02543 {
02544    struct skinny_subchannel *sub = ast->tech_pvt;
02545    struct skinny_line *l;
02546    struct skinny_device *d;
02547    struct skinnysession *s;
02548 
02549    if (!sub) {
02550       ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n");
02551       return 0;
02552    }
02553    l = sub->parent;
02554    d = l->parent;
02555    s = d->session;
02556    if (skinnydebug)
02557       ast_verbose("skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
02558 
02559    if (d->registered) {
02560       if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
02561          l->hookstate = SKINNY_ONHOOK;
02562          transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
02563          transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
02564          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
02565       } else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
02566          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02567          transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
02568          transmit_ringer_mode(s, SKINNY_RING_OFF);
02569          transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
02570          do_housekeeping(s);
02571       }
02572    }
02573    ast_mutex_lock(&sub->lock);
02574    sub->owner = NULL;
02575    ast->tech_pvt = NULL;
02576    sub->alreadygone = 0;
02577    sub->outgoing = 0;
02578    if (sub->rtp) {
02579       ast_rtp_destroy(sub->rtp);
02580       sub->rtp = NULL;
02581    }
02582    ast_mutex_unlock(&sub->lock);
02583    return 0;
02584 }
02585 
02586 static int skinny_answer(struct ast_channel *ast)
02587 {
02588    int res = 0;
02589    struct skinny_subchannel *sub = ast->tech_pvt;
02590    struct skinny_line *l = sub->parent;
02591    struct skinny_device *d = l->parent;
02592    struct skinnysession *s = d->session;
02593    char exten[AST_MAX_EXTENSION] = "";
02594 
02595    ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
02596 
02597    sub->cxmode = SKINNY_CX_SENDRECV;
02598    if (!sub->rtp) {
02599       start_rtp(sub);
02600    }
02601    if (skinnydebug)
02602       ast_verbose("skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
02603    if (ast->_state != AST_STATE_UP) {
02604       ast_setstate(ast, AST_STATE_UP);
02605    }
02606 
02607    transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02608    /* order matters here...
02609       for some reason, transmit_callinfo must be before transmit_callstate,
02610       or you won't get keypad messages in some situations. */
02611    transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2);
02612    transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
02613    transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
02614    transmit_dialednumber(s, exten, l->instance, sub->callid);
02615    transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
02616    return res;
02617 }
02618 
02619 /* Retrieve audio/etc from channel.  Assumes sub->lock is already held. */
02620 static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
02621 {
02622    struct ast_channel *ast = sub->owner;
02623    struct ast_frame *f;
02624 
02625    if (!sub->rtp) {
02626       /* We have no RTP allocated for this channel */
02627       return &ast_null_frame;
02628    }
02629 
02630    switch(ast->fdno) {
02631    case 0:
02632       f = ast_rtp_read(sub->rtp);   /* RTP Audio */
02633       break;
02634    case 1:
02635       f = ast_rtcp_read(sub->rtp);  /* RTCP Control Channel */
02636       break;
02637    case 2:
02638       f = ast_rtp_read(sub->vrtp);  /* RTP Video */
02639       break;
02640    case 3:
02641       f = ast_rtcp_read(sub->vrtp); /* RTCP Control Channel for video */
02642       break;
02643 #if 0
02644    case 5:
02645       /* Not yet supported */
02646       f = ast_udptl_read(sub->udptl);  /* UDPTL for T.38 */
02647       break;
02648 #endif
02649    default:
02650       f = &ast_null_frame;
02651    }
02652 
02653    if (ast) {
02654       /* We already hold the channel lock */
02655       if (f->frametype == AST_FRAME_VOICE) {
02656          if (f->subclass != ast->nativeformats) {
02657             ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
02658             ast->nativeformats = f->subclass;
02659             ast_set_read_format(ast, ast->readformat);
02660             ast_set_write_format(ast, ast->writeformat);
02661          }
02662       }
02663    }
02664    return f;
02665 }
02666 
02667 static struct ast_frame *skinny_read(struct ast_channel *ast)
02668 {
02669    struct ast_frame *fr;
02670    struct skinny_subchannel *sub = ast->tech_pvt;
02671    ast_mutex_lock(&sub->lock);
02672    fr = skinny_rtp_read(sub);
02673    ast_mutex_unlock(&sub->lock);
02674    return fr;
02675 }
02676 
02677 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
02678 {
02679    struct skinny_subchannel *sub = ast->tech_pvt;
02680    int res = 0;
02681    if (frame->frametype != AST_FRAME_VOICE) {
02682       if (frame->frametype == AST_FRAME_IMAGE) {
02683          return 0;
02684       } else {
02685          ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
02686          return 0;
02687       }
02688    } else {
02689       if (!(frame->subclass & ast->nativeformats)) {
02690          ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
02691             frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
02692          return -1;
02693       }
02694    }
02695    if (sub) {
02696       ast_mutex_lock(&sub->lock);
02697       if (sub->rtp) {
02698          res = ast_rtp_write(sub->rtp, frame);
02699       }
02700       ast_mutex_unlock(&sub->lock);
02701    }
02702    return res;
02703 }
02704 
02705 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
02706 {
02707    struct skinny_subchannel *sub = newchan->tech_pvt;
02708    ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
02709    if (sub->owner != oldchan) {
02710       ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
02711       return -1;
02712    }
02713    sub->owner = newchan;
02714    return 0;
02715 }
02716 
02717 static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
02718 {
02719    return -1; /* Start inband indications */
02720 }
02721 
02722 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
02723 {
02724 #if 0
02725    struct skinny_subchannel *sub = ast->tech_pvt;
02726    struct skinny_line *l = sub->parent;
02727    struct skinny_device *d = l->parent;
02728    int tmp;
02729    /* not right */
02730    sprintf(tmp, "%d", digit);
02731    transmit_tone(d->session, digit, l->instance, sub->callid);
02732 #endif
02733    return -1; /* Stop inband indications */
02734 }
02735 
02736 static char *control2str(int ind) {
02737    char *tmp;
02738 
02739    switch (ind) {
02740    case AST_CONTROL_HANGUP:
02741       return "Other end has hungup";
02742    case AST_CONTROL_RING:
02743       return "Local ring";
02744    case AST_CONTROL_RINGING:
02745       return "Remote end is ringing";
02746    case AST_CONTROL_ANSWER:
02747       return "Remote end has answered";
02748    case AST_CONTROL_BUSY:
02749       return "Remote end is busy";
02750    case AST_CONTROL_TAKEOFFHOOK:
02751       return "Make it go off hook";
02752    case AST_CONTROL_OFFHOOK:
02753       return "Line is off hook";
02754    case AST_CONTROL_CONGESTION:
02755       return "Congestion (circuits busy)";
02756    case AST_CONTROL_FLASH:
02757       return "Flash hook";
02758    case AST_CONTROL_WINK:
02759       return "Wink";
02760    case AST_CONTROL_OPTION:
02761       return "Set a low-level option";
02762    case AST_CONTROL_RADIO_KEY:
02763       return "Key Radio";
02764    case AST_CONTROL_RADIO_UNKEY:
02765       return "Un-Key Radio";
02766    case AST_CONTROL_PROGRESS:
02767       return "Remote end is making Progress";
02768    case AST_CONTROL_PROCEEDING:
02769       return "Remote end is proceeding";
02770    case AST_CONTROL_HOLD:
02771       return "Hold";
02772    case AST_CONTROL_UNHOLD:
02773       return "Unhold";
02774    case -1:
02775       return "Stop tone";
02776    default:
02777       if (!(tmp = ast_threadstorage_get(&control2str_threadbuf, CONTROL2STR_BUFSIZE)))
02778                         return "Unknown";
02779       snprintf(tmp, CONTROL2STR_BUFSIZE, "UNKNOWN-%d", ind);
02780       return tmp;
02781    }
02782 }
02783 
02784 
02785 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
02786 {
02787    struct skinny_subchannel *sub = ast->tech_pvt;
02788    struct skinny_line *l = sub->parent;
02789    struct skinny_device *d = l->parent;
02790    struct skinnysession *s = d->session;
02791    char exten[AST_MAX_EXTENSION] = "";
02792 
02793    if (!s) {
02794       ast_log(LOG_NOTICE, "Asked to indicate '%s' condition on channel %s, but session does not exist.\n", control2str(ind), ast->name);
02795       return -1;
02796    }
02797 
02798    ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
02799 
02800    if (skinnydebug)
02801       ast_verbose(VERBOSE_PREFIX_3 "Asked to indicate '%s' condition on channel %s\n", control2str(ind), ast->name);
02802    switch(ind) {
02803    case AST_CONTROL_RINGING:
02804       if (ast->_state != AST_STATE_UP) {
02805          if (!sub->progress) {
02806             if (!d->earlyrtp) {
02807                transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
02808             }
02809             transmit_callstate(s, l->instance, SKINNY_RINGOUT, sub->callid);
02810             transmit_dialednumber(s, exten, l->instance, sub->callid);
02811             transmit_displaypromptstatus(s, "Ring Out", 0, l->instance, sub->callid);
02812             transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
02813             sub->ringing = 1;
02814             if (!d->earlyrtp) {
02815                break;
02816             }
02817          }
02818       }
02819       return -1; /* Tell asterisk to provide inband signalling */
02820    case AST_CONTROL_BUSY:
02821       if (ast->_state != AST_STATE_UP) {
02822          if (!d->earlyrtp) {
02823             transmit_tone(s, SKINNY_BUSYTONE, l->instance, sub->callid);
02824          }
02825          transmit_callstate(s, l->instance, SKINNY_BUSY, sub->callid);
02826          sub->alreadygone = 1;
02827          ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
02828          if (!d->earlyrtp) {
02829             break;
02830          }
02831       }
02832       return -1; /* Tell asterisk to provide inband signalling */
02833    case AST_CONTROL_CONGESTION:
02834       if (ast->_state != AST_STATE_UP) {
02835          if (!d->earlyrtp) {
02836             transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02837          }
02838          transmit_callstate(s, l->instance, SKINNY_CONGESTION, sub->callid);
02839          sub->alreadygone = 1;
02840          ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
02841          if (!d->earlyrtp) {
02842             break;
02843          }
02844       }
02845       return -1; /* Tell asterisk to provide inband signalling */
02846    case AST_CONTROL_PROGRESS:
02847       if ((ast->_state != AST_STATE_UP) && !sub->progress && !sub->outgoing) {
02848          if (!d->earlyrtp) {
02849             transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
02850          }
02851          transmit_callstate(s, l->instance, SKINNY_PROGRESS, sub->callid);
02852          transmit_displaypromptstatus(s, "Call Progress", 0, l->instance, sub->callid);
02853          transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
02854          sub->progress = 1;
02855          if (!d->earlyrtp) {
02856             break;
02857          }
02858       }
02859       return -1; /* Tell asterisk to provide inband signalling */
02860    case -1:  /* STOP_TONE */
02861       transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02862       break;
02863    case AST_CONTROL_HOLD:
02864       ast_moh_start(ast, data, l->mohinterpret);
02865       break;
02866    case AST_CONTROL_UNHOLD:
02867       ast_moh_stop(ast);
02868       break;
02869    case AST_CONTROL_PROCEEDING:
02870       break;
02871    case AST_CONTROL_SRCUPDATE:
02872       if (sub->rtp) {
02873          ast_rtp_new_source(sub->rtp);
02874       }
02875       break;
02876    default:
02877       ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind);
02878       return -1; /* Tell asterisk to provide inband signalling */
02879    }
02880    return 0;
02881 }
02882 
02883 static struct ast_channel *skinny_new(struct skinny_line *l, int state)
02884 {
02885    struct ast_channel *tmp;
02886    struct skinny_subchannel *sub;
02887    struct skinny_device *d = l->parent;
02888    int fmt;
02889 
02890    tmp = ast_channel_alloc(1, state, l->cid_num, l->cid_name, l->accountcode, l->exten, l->context, l->amaflags, "Skinny/%s@%s-%d", l->name, d->name, callnums);
02891    if (!tmp) {
02892       ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
02893       return NULL;
02894    } else {
02895       sub = ast_calloc(1, sizeof(struct skinny_subchannel));
02896       if (!sub) {
02897          ast_log(LOG_WARNING, "Unable to allocate Skinny subchannel\n");
02898          return NULL;
02899       } else {
02900          ast_mutex_init(&sub->lock);
02901 
02902          sub->owner = tmp;
02903          sub->callid = callnums++;
02904          d->lastlineinstance = l->instance;
02905          d->lastcallreference = sub->callid;
02906          sub->cxmode = SKINNY_CX_INACTIVE;
02907          sub->nat = l->nat;
02908          sub->parent = l;
02909          sub->onhold = 0;
02910 
02911          sub->next = l->sub;
02912          l->sub = sub;
02913       }
02914       tmp->tech = &skinny_tech;
02915       tmp->tech_pvt = sub;
02916       tmp->nativeformats = l->capability;
02917       if (!tmp->nativeformats)
02918          tmp->nativeformats = default_capability;
02919       fmt = ast_best_codec(tmp->nativeformats);
02920       if (skinnydebug)
02921          ast_verbose("skinny_new: tmp->nativeformats=%d fmt=%d\n", tmp->nativeformats, fmt);
02922       if (sub->rtp) {
02923          tmp->fds[0] = ast_rtp_fd(sub->rtp);
02924       }
02925       if (state == AST_STATE_RING) {
02926          tmp->rings = 1;
02927       }
02928       tmp->writeformat = fmt;
02929       tmp->rawwriteformat = fmt;
02930       tmp->readformat = fmt;
02931       tmp->rawreadformat = fmt;
02932       if (!ast_strlen_zero(l->language))
02933          ast_string_field_set(tmp, language, l->language);
02934       if (!ast_strlen_zero(l->accountcode))
02935          ast_string_field_set(tmp, accountcode, l->accountcode);
02936       if (l->amaflags)
02937          tmp->amaflags = l->amaflags;
02938 
02939       ast_module_ref(ast_module_info->self);
02940       tmp->callgroup = l->callgroup;
02941       tmp->pickupgroup = l->pickupgroup;
02942       ast_string_field_set(tmp, call_forward, l->call_forward);
02943       ast_copy_string(tmp->context, l->context, sizeof(tmp->context));
02944       ast_copy_string(tmp->exten, l->exten, sizeof(tmp->exten));
02945 
02946       /* Don't use ast_set_callerid() here because it will
02947        * generate a needless NewCallerID event */
02948       tmp->cid.cid_ani = ast_strdup(l->cid_num);
02949 
02950       tmp->priority = 1;
02951       tmp->adsicpe = AST_ADSI_UNAVAILABLE;
02952 
02953       if (sub->rtp)
02954          ast_jb_configure(tmp, &global_jbconf);
02955 
02956       if (state != AST_STATE_DOWN) {
02957          if (ast_pbx_start(tmp)) {
02958             ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
02959             ast_hangup(tmp);
02960             tmp = NULL;
02961          }
02962       }
02963    }
02964    return tmp;
02965 }
02966 
02967 static int skinny_hold(struct skinny_subchannel *sub)
02968 {
02969    struct skinny_line *l = sub->parent;
02970    struct skinny_device *d = l->parent;
02971    struct skinnysession *s = d->session;
02972    struct skinny_req *req;
02973 
02974    /* Don't try to hold a channel that doesn't exist */
02975    if (!sub || !sub->owner)
02976       return 0;
02977 
02978    /* Channel needs to be put on hold */
02979    if (skinnydebug)
02980       ast_verbose("Putting on Hold(%d)\n", l->instance);
02981 
02982    ast_queue_control_data(sub->owner, AST_CONTROL_HOLD,
02983       S_OR(l->mohsuggest, NULL),
02984       !ast_strlen_zero(l->mohsuggest) ? strlen(l->mohsuggest) + 1 : 0);
02985 
02986    if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
02987       return 0;
02988 
02989    req->data.activatecallplane.lineInstance = htolel(l->instance);
02990    transmit_response(s, req);
02991 
02992    if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
02993       return 0;
02994 
02995    req->data.closereceivechannel.conferenceId = htolel(sub->callid);
02996    req->data.closereceivechannel.partyId = htolel(sub->callid);
02997    transmit_response(s, req);
02998 
02999    if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
03000       return 0;
03001 
03002    req->data.stopmedia.conferenceId = htolel(sub->callid);
03003    req->data.stopmedia.passThruPartyId = htolel(sub->callid);
03004    transmit_response(s, req);
03005 
03006    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
03007    sub->onhold = 1;
03008    return 1;
03009 }
03010 
03011 static int skinny_unhold(struct skinny_subchannel *sub)
03012 {
03013    struct skinny_line *l = sub->parent;
03014    struct skinny_device *d = l->parent;
03015    struct skinnysession *s = d->session;
03016    struct skinny_req *req;
03017 
03018    /* Don't try to unhold a channel that doesn't exist */
03019    if (!sub || !sub->owner)
03020       return 0;
03021 
03022    /* Channel is on hold, so we will unhold */
03023    if (skinnydebug)
03024       ast_verbose("Taking off Hold(%d)\n", l->instance);
03025 
03026    ast_queue_control(sub->owner, AST_CONTROL_UNHOLD);
03027 
03028    if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
03029       return 0;
03030 
03031    req->data.activatecallplane.lineInstance = htolel(l->instance);
03032    transmit_response(s, req);
03033 
03034    transmit_connect(s, sub);
03035    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03036    sub->onhold = 0;
03037    return 1;
03038 }
03039 
03040 static int handle_keep_alive_message(struct skinny_req *req, struct skinnysession *s)
03041 {
03042    if (!(req = req_alloc(0, KEEP_ALIVE_ACK_MESSAGE)))
03043       return -1;
03044 
03045    transmit_response(s, req);
03046    do_housekeeping(s);
03047    return 1;
03048 }
03049 
03050 static int handle_register_message(struct skinny_req *req, struct skinnysession *s)
03051 {
03052    char name[16];
03053    int res;
03054 
03055    memcpy(&name, req->data.reg.name, sizeof(name));
03056 
03057    res = skinny_register(req, s);
03058    if (!res) {
03059       ast_log(LOG_ERROR, "Rejecting Device %s: Device not found\n", name);
03060       if (!(req = req_alloc(sizeof(struct register_rej_message), REGISTER_REJ_MESSAGE)))
03061          return -1;
03062 
03063       snprintf(req->data.regrej.errMsg, sizeof(req->data.regrej.errMsg), "No Authority: %s", name);
03064       transmit_response(s, req);
03065       return 0;
03066    }
03067    ast_atomic_fetchadd_int(&unauth_sessions, -1);
03068    if (option_verbose > 2)
03069       ast_verbose(VERBOSE_PREFIX_3 "Device '%s' successfully registered\n", name);
03070 
03071    if (!(req = req_alloc(sizeof(struct register_ack_message), REGISTER_ACK_MESSAGE)))
03072       return -1;
03073 
03074    req->data.regack.res[0] = '0';
03075    req->data.regack.res[1] = '\0';
03076    req->data.regack.keepAlive = htolel(keep_alive);
03077    memcpy(req->data.regack.dateTemplate, date_format, sizeof(req->data.regack.dateTemplate));
03078    req->data.regack.res2[0] = '0';
03079    req->data.regack.res2[1] = '\0';
03080    req->data.regack.secondaryKeepAlive = htolel(keep_alive);
03081    transmit_response(s, req);
03082    if (skinnydebug)
03083       ast_verbose("Requesting capabilities\n");
03084 
03085    if (!(req = req_alloc(0, CAPABILITIES_REQ_MESSAGE)))
03086       return -1;
03087 
03088    transmit_response(s, req);
03089 
03090    return res;
03091 }
03092 
03093 static int handle_ip_port_message(struct skinny_req *req, struct skinnysession *s)
03094 {
03095    /* no response necessary */
03096    return 1;
03097 }
03098 
03099 static int handle_keypad_button_message(struct skinny_req *req, struct skinnysession *s)
03100 {
03101    struct skinny_subchannel *sub = NULL;
03102    struct skinny_line *l;
03103    struct skinny_device *d = s->device;
03104    struct ast_frame f = { 0, };
03105    char dgt;
03106    int digit;
03107    int lineInstance;
03108    int callReference;
03109 
03110    digit = letohl(req->data.keypad.button);
03111    lineInstance = letohl(req->data.keypad.lineInstance);
03112    callReference = letohl(req->data.keypad.callReference);
03113 
03114    if (digit == 14) {
03115       dgt = '*';
03116    } else if (digit == 15) {
03117       dgt = '#';
03118    } else if (digit >= 0 && digit <= 9) {
03119       dgt = '0' + digit;
03120    } else {
03121       /* digit=10-13 (A,B,C,D ?), or
03122        * digit is bad value
03123        *
03124        * probably should not end up here, but set
03125        * value for backward compatibility, and log
03126        * a warning.
03127        */
03128       dgt = '0' + digit;
03129       ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
03130    }
03131 
03132    f.subclass = dgt;
03133 
03134    f.src = "skinny";
03135 
03136    if (lineInstance && callReference)
03137       sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
03138    else
03139       sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03140 
03141    if (!sub)
03142       return 0;
03143 
03144    l = sub->parent;
03145    if (sub->owner) {
03146       if (sub->owner->_state == 0) {
03147          f.frametype = AST_FRAME_DTMF_BEGIN;
03148          ast_queue_frame(sub->owner, &f);
03149       }
03150       /* XXX MUST queue this frame to all lines in threeway call if threeway call is active */
03151       f.frametype = AST_FRAME_DTMF_END;
03152       ast_queue_frame(sub->owner, &f);
03153       /* XXX This seriously needs to be fixed */
03154       if (sub->next && sub->next->owner) {
03155          if (sub->owner->_state == 0) {
03156             f.frametype = AST_FRAME_DTMF_BEGIN;
03157             ast_queue_frame(sub->next->owner, &f);
03158          }
03159          f.frametype = AST_FRAME_DTMF_END;
03160          ast_queue_frame(sub->next->owner, &f);
03161       }
03162    } else {
03163       if (skinnydebug)
03164          ast_verbose("No owner: %s\n", l->name);
03165    }
03166    return 1;
03167 }
03168 
03169 static int handle_stimulus_message(struct skinny_req *req, struct skinnysession *s)
03170 {
03171    struct skinny_device *d = s->device;
03172    struct skinny_line *l;
03173    struct skinny_subchannel *sub;
03174    /*struct skinny_speeddial *sd;*/
03175    struct ast_channel *c;
03176    pthread_t t;
03177    int event;
03178    int instance;
03179    int callreference;
03180    /*int res = 0;*/
03181 
03182    event = letohl(req->data.stimulus.stimulus);
03183    instance = letohl(req->data.stimulus.stimulusInstance);
03184    callreference = letohl(req->data.stimulus.callreference); 
03185    if (skinnydebug)
03186       ast_verbose("callreference in handle_stimulus_message is '%d'\n", callreference);
03187 
03188    /*  Note that this call should be using the passed in instance and callreference */
03189    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03190 
03191    if (!sub) {
03192       l = find_line_by_instance(d, d->lastlineinstance);
03193       if (!l) {
03194          return 0;
03195       }
03196    } else {
03197       l = sub->parent;
03198    }
03199 
03200    switch(event) {
03201    case STIMULUS_REDIAL:
03202       if (skinnydebug)
03203          ast_verbose("Received Stimulus: Redial(%d/%d)\n", instance, callreference);
03204 
03205 #if 0
03206       if (ast_strlen_zero(l->lastnumberdialed)) {
03207          ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
03208          l->hookstate = SKINNY_ONHOOK;
03209          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
03210          transmit_callstate(s, l->instance, SKINNY_ONHOOK, instance);
03211          break;
03212       }
03213 
03214       c = skinny_new(l, AST_STATE_DOWN);
03215       if(!c) {
03216          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03217       } else {
03218          sub = c->tech_pvt;
03219          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03220          if (skinnydebug)
03221             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03222          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03223          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03224          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
03225 
03226          if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
03227             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03228          }
03229          ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
03230          if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
03231             ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
03232             ast_hangup(c);
03233          }
03234       }
03235 #endif
03236       break;
03237    case STIMULUS_SPEEDDIAL:
03238       if (skinnydebug)
03239          ast_verbose("Received Stimulus: SpeedDial(%d/%d)\n", instance, callreference);
03240 
03241 #if 0
03242       if (!(sd = find_speeddial_by_instance(d, instance))) {
03243          return 0;
03244       }
03245 
03246       if (ast_strlen_zero(l->lastnumberdialed)) {
03247          ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
03248          l->hookstate = SKINNY_ONHOOK;
03249          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
03250          transmit_callstate(s, l->instance, SKINNY_ONHOOK, instance);
03251          break;
03252       }
03253 
03254       c = skinny_new(l, AST_STATE_DOWN);
03255       if(c) {
03256          sub = c->tech_pvt;
03257          l = sub->parent;
03258          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03259          if (skinnydebug)
03260             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03261          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03262          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03263          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
03264 
03265          if (!ast_ignore_pattern(c->context, sd->exten)) {
03266             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03267          }
03268          if (ast_exists_extension(c, c->context, sd->exten, 1, l->cid_num)) {
03269             if (!ast_matchmore_extension(c, c->context, sd->exten, 1, l->cid_num)) {
03270                ast_copy_string(c->exten, sd->exten, sizeof(c->exten));
03271                ast_copy_string(l->lastnumberdialed, sd->exten, sizeof(l->lastnumberdialed));
03272                skinny_newcall(c);
03273                break;
03274             }
03275          }
03276       } else {
03277          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03278       }
03279 #endif
03280       break;
03281    case STIMULUS_HOLD:
03282       if (skinnydebug)
03283          ast_verbose("Received Stimulus: Hold(%d/%d)\n", instance, callreference);
03284 
03285       if (!sub)
03286          break;
03287 
03288       if (sub->onhold) {
03289          skinny_unhold(sub);
03290       } else {
03291          skinny_hold(sub);
03292       }
03293       break;
03294    case STIMULUS_TRANSFER:
03295       if (skinnydebug)
03296          ast_verbose("Received Stimulus: Transfer(%d/%d)\n", instance, callreference);
03297       /* XXX figure out how to transfer */
03298       break;
03299    case STIMULUS_CONFERENCE:
03300       if (skinnydebug)
03301          ast_verbose("Received Stimulus: Conference(%d/%d)\n", instance, callreference);
03302       /* XXX determine the best way to pull off a conference.  Meetme? */
03303       break;
03304    case STIMULUS_VOICEMAIL:
03305       if (skinnydebug)
03306          ast_verbose("Received Stimulus: Voicemail(%d/%d)\n", instance, callreference);
03307       /* XXX Find and dial voicemail extension */
03308       break;
03309    case STIMULUS_CALLPARK:
03310       if (skinnydebug)
03311          ast_verbose("Received Stimulus: Park Call(%d/%d)\n", instance, callreference);
03312       /* XXX Park the call */
03313       break;
03314    case STIMULUS_FORWARDALL:
03315       if (skinnydebug)
03316          ast_verbose("Received Stimulus: Forward All(%d/%d)\n", instance, callreference);
03317       /* Why is DND under FORWARDALL? */
03318       /* Because it's the same thing. */
03319 
03320       /* Do not disturb */
03321       if (l->dnd != 0){
03322          if (option_verbose > 2)
03323             ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
03324          l->dnd = 0;
03325          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
03326          transmit_displaynotify(s, "DnD disabled", 10);
03327       } else {
03328          if (option_verbose > 2)
03329             ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
03330          l->dnd = 1;
03331          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
03332          transmit_displaynotify(s, "DnD enabled", 10);
03333       }
03334       break;
03335    case STIMULUS_FORWARDBUSY:
03336       if (skinnydebug)
03337          ast_verbose("Received Stimulus: Forward Busy (%d/%d)\n", instance, callreference);
03338       break;
03339    case STIMULUS_FORWARDNOANSWER:
03340       if (skinnydebug)
03341          ast_verbose("Received Stimulus: Forward No Answer (%d/%d)\n", instance, callreference);
03342       break;
03343    case STIMULUS_DISPLAY:
03344       /* Not sure what this is */
03345       if (skinnydebug)
03346          ast_verbose("Received Stimulus: Display(%d/%d)\n", instance, callreference);
03347       break;
03348    case STIMULUS_LINE:
03349       if (skinnydebug)
03350          ast_verbose("Received Stimulus: Line(%d/%d)\n", instance, callreference);
03351 
03352       l = find_line_by_instance(s->device, instance);
03353 
03354       if (!l) {
03355          return 0;
03356       }
03357 
03358       /* turn the speaker on */
03359       transmit_speaker_mode(s, SKINNY_SPEAKERON);
03360       transmit_ringer_mode(s, SKINNY_RING_OFF);
03361       transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03362 
03363       l->hookstate = SKINNY_OFFHOOK;
03364 
03365       if (sub && sub->outgoing) {
03366          /* We're answering a ringing call */
03367          ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
03368          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03369          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03370          transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
03371          transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
03372          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
03373          start_rtp(sub);
03374          ast_setstate(sub->owner, AST_STATE_UP);
03375       } else {
03376          if (sub && sub->owner) {
03377             ast_log(LOG_DEBUG, "Current subchannel [%s] already has owner\n", sub->owner->name);
03378          } else {
03379             c = skinny_new(l, AST_STATE_DOWN);
03380             if(c) {
03381                sub = c->tech_pvt;
03382                transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03383                if (skinnydebug)
03384                   ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03385                transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03386                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03387                transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
03388 
03389                /* start the switch thread */
03390                if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
03391                   ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
03392                   ast_hangup(c);
03393                }
03394             } else {
03395                ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03396             }
03397          }
03398       }
03399       break;
03400    default:
03401       if (skinnydebug)
03402          ast_verbose("RECEIVED UNKNOWN STIMULUS:  %d(%d/%d)\n", event, instance, callreference);
03403       break;
03404    }
03405    return 1;
03406 }
03407 
03408 static int handle_offhook_message(struct skinny_req *req, struct skinnysession *s)
03409 {
03410    struct skinny_device *d = s->device;
03411    struct skinny_line *l;
03412    struct skinny_subchannel *sub;
03413    struct ast_channel *c;
03414    pthread_t t;
03415    int unknown1;
03416    int unknown2;
03417 
03418    unknown1 = letohl(req->data.offhook.unknown1);
03419    unknown2 = letohl(req->data.offhook.unknown2);
03420 
03421    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03422 
03423    if (!sub) {
03424       l = find_line_by_instance(d, d->lastlineinstance);
03425       if (!l) {
03426          return 0;
03427       }
03428    } else {
03429       l = sub->parent;
03430    }
03431 
03432    transmit_ringer_mode(s, SKINNY_RING_OFF);
03433    l->hookstate = SKINNY_OFFHOOK;
03434 
03435    if (sub && sub->onhold) {
03436       return 1;
03437    }
03438 
03439    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03440 
03441    if (sub && sub->outgoing) {
03442       /* We're answering a ringing call */
03443       ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
03444       transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03445       transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03446       transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
03447       transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
03448       start_rtp(sub);
03449       ast_setstate(sub->owner, AST_STATE_UP);
03450    } else {
03451       if (sub && sub->owner) {
03452          ast_log(LOG_DEBUG, "Current sub [%s] already has owner\n", sub->owner->name);
03453       } else {
03454          c = skinny_new(l, AST_STATE_DOWN);
03455          if(c) {
03456             sub = c->tech_pvt;
03457             transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03458             if (skinnydebug)
03459                ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03460             transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03461             transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03462             transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
03463 
03464             /* start the switch thread */
03465             if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
03466                ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
03467                ast_hangup(c);
03468             }
03469          } else {
03470             ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03471          }
03472       }
03473    }
03474    return 1;
03475 }
03476 
03477 static int handle_onhook_message(struct skinny_req *req, struct skinnysession *s)
03478 {
03479    struct skinny_device *d = s->device;
03480    struct skinny_line *l;
03481    struct skinny_subchannel *sub;
03482    int unknown1;
03483    int unknown2;
03484 
03485    unknown1 = letohl(req->data.onhook.unknown1);
03486    unknown2 = letohl(req->data.onhook.unknown2);
03487 
03488    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03489 
03490    if (!sub) {
03491       return 0;
03492    }
03493    l = sub->parent;
03494 
03495    if (l->hookstate == SKINNY_ONHOOK) {
03496       /* Something else already put us back on hook */
03497       return 0;
03498    }
03499    l->hookstate = SKINNY_ONHOOK;
03500 
03501    if (sub->onhold) {
03502       return 0;
03503    }
03504 
03505    sub->cxmode = SKINNY_CX_RECVONLY;
03506    transmit_callstate(s, l->instance, l->hookstate, sub->callid);
03507    if (skinnydebug)
03508       ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
03509    if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
03510       /* We're allowed to transfer, we have two active calls and
03511          we made at least one of the calls.  Let's try and transfer */
03512 
03513 #if 0
03514       if ((res = attempt_transfer(p)) < 0) {
03515          if (sub->next && sub->next->owner) {
03516             sub->next->alreadygone = 1;
03517             ast_queue_hangup(sub->next->owner,1);
03518          }
03519       } else if (res) {
03520          ast_log(LOG_WARNING, "Transfer attempt failed\n");
03521          return 0;
03522       }
03523 #endif
03524    } else {
03525       /* Hangup the current call */
03526       /* If there is another active call, skinny_hangup will ring the phone with the other call */
03527       if (sub->owner) {
03528          sub->alreadygone = 1;
03529          ast_queue_hangup(sub->owner);
03530       } else {
03531          ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
03532             l->name, d->name, sub->callid);
03533       }
03534    }
03535    if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
03536       do_housekeeping(s);
03537    }
03538    return 1;
03539 }
03540 
03541 static int handle_capabilities_res_message(struct skinny_req *req, struct skinnysession *s)
03542 {
03543    struct skinny_device *d = s->device;
03544    struct skinny_line *l;
03545    uint32_t count = 0;
03546    int codecs = 0;
03547    int i;
03548 
03549    count = letohl(req->data.caps.count);
03550    if (count > SKINNY_MAX_CAPABILITIES) {
03551       count = SKINNY_MAX_CAPABILITIES;
03552       ast_log(LOG_WARNING, "Received more capabilities than we can handle (%d).  Ignoring the rest.\n", SKINNY_MAX_CAPABILITIES);
03553    }
03554 
03555    for (i = 0; i < count; i++) {
03556       int acodec = 0;
03557       int scodec = 0;
03558       scodec = letohl(req->data.caps.caps[i].codec);
03559       acodec = codec_skinny2ast(scodec);
03560       if (skinnydebug)
03561          ast_verbose("Adding codec capability '%d (%d)'\n", acodec, scodec);
03562       codecs |= acodec;
03563    }
03564 
03565    d->capability &= codecs;
03566    ast_verbose("Device capability set to '%d'\n", d->capability);
03567    for (l = d->lines; l; l = l->next) {
03568       ast_mutex_lock(&l->lock);
03569       l->capability = d->capability;
03570       ast_mutex_unlock(&l->lock);
03571    }
03572 
03573    return 1;
03574 }
03575 
03576 static int handle_speed_dial_stat_req_message(struct skinny_req *req, struct skinnysession *s)
03577 {
03578    struct skinny_device *d = s->device;
03579    struct skinny_speeddial *sd;
03580    int instance;
03581 
03582    instance = letohl(req->data.speeddialreq.speedDialNumber);
03583 
03584    sd = find_speeddial_by_instance(d, instance);
03585 
03586    if (!sd) {
03587       return 0;
03588    }
03589 
03590    if (!(req = req_alloc(sizeof(struct speed_dial_stat_res_message), SPEED_DIAL_STAT_RES_MESSAGE)))
03591       return -1;
03592 
03593    req->data.speeddialreq.speedDialNumber = htolel(instance);
03594    snprintf(req->data.speeddial.speedDialDirNumber, sizeof(req->data.speeddial.speedDialDirNumber), sd->exten);
03595    snprintf(req->data.speeddial.speedDialDisplayName, sizeof(req->data.speeddial.speedDialDisplayName), sd->label);
03596 
03597    transmit_response(s, req);
03598    return 1;
03599 }
03600 
03601 static int handle_line_state_req_message(struct skinny_req *req, struct skinnysession *s)
03602 {
03603    struct skinny_device *d = s->device;
03604    struct skinny_line *l;
03605    int instance;
03606 
03607    instance = letohl(req->data.line.lineNumber);
03608 
03609    ast_mutex_lock(&devicelock);
03610 
03611    l = find_line_by_instance(d, instance);
03612 
03613    if (!l) {
03614       return 0;
03615    }
03616 
03617    ast_mutex_unlock(&devicelock);
03618 
03619    if (!(req = req_alloc(sizeof(struct line_stat_res_message), LINE_STAT_RES_MESSAGE)))
03620       return -1;
03621 
03622    req->data.linestat.lineNumber = letohl(instance);
03623    memcpy(req->data.linestat.lineDirNumber, l->name,
03624          sizeof(req->data.linestat.lineDirNumber));
03625    memcpy(req->data.linestat.lineDisplayName, l->label,
03626          sizeof(req->data.linestat.lineDisplayName));
03627    transmit_response(s,req);
03628    return 1;
03629 }
03630 
03631 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s)
03632 {
03633    time_t timer;
03634    struct tm *cmtime;
03635 
03636    if (!(req = req_alloc(sizeof(struct definetimedate_message), DEFINETIMEDATE_MESSAGE)))
03637       return -1;
03638 
03639    timer = time(NULL);
03640    cmtime = localtime(&timer);
03641    req->data.definetimedate.year = htolel(cmtime->tm_year+1900);
03642    req->data.definetimedate.month = htolel(cmtime->tm_mon+1);
03643    req->data.definetimedate.dayofweek = htolel(cmtime->tm_wday);
03644    req->data.definetimedate.day = htolel(cmtime->tm_mday);
03645    req->data.definetimedate.hour = htolel(cmtime->tm_hour);
03646    req->data.definetimedate.minute = htolel(cmtime->tm_min);
03647    req->data.definetimedate.seconds = htolel(cmtime->tm_sec);
03648    req->data.definetimedate.milliseconds = htolel(0);
03649    req->data.definetimedate.timestamp = htolel(timer);
03650    transmit_response(s, req);
03651    return 1;
03652 }
03653 
03654 static int handle_button_template_req_message(struct skinny_req *req, struct skinnysession *s)
03655 {
03656    struct skinny_device *d = s->device;
03657    struct skinny_line *l;
03658    int i;
03659 
03660    struct skinny_speeddial *sd;
03661    struct button_definition_template btn[42];
03662    int lineInstance = 1;
03663    int speeddialInstance = 1;
03664    int buttonCount = 0;
03665 
03666    if (!(req = req_alloc(sizeof(struct button_template_res_message), BUTTON_TEMPLATE_RES_MESSAGE)))
03667       return -1;
03668 
03669    memset(&btn, 0, sizeof(btn));
03670 
03671    get_button_template(s, btn);
03672 
03673    for (i=0; i<42; i++) {
03674       int btnSet = 0;
03675       switch (btn[i].buttonDefinition) {
03676          case BT_CUST_LINESPEEDDIAL:
03677             /* assume failure */
03678             req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
03679             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03680 
03681             for (l = d->lines; l; l = l->next) {
03682                if (l->instance == lineInstance) {
03683                   ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
03684                   req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
03685                   req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
03686                   lineInstance++;
03687                   buttonCount++;
03688                   btnSet = 1;
03689                   break;
03690                }
03691             }
03692 
03693             if (!btnSet) {
03694                for (sd = d->speeddials; sd; sd = sd->next) {
03695                   if (sd->instance == speeddialInstance) {
03696                      ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
03697                      req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
03698                      req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
03699                      speeddialInstance++;
03700                      buttonCount++;
03701                      btnSet = 1;
03702                      break;
03703                   }
03704                }
03705             }
03706             break;
03707          case BT_LINE:
03708             req->data.buttontemplate.definition[i].buttonDefinition = htolel(BT_NONE);
03709             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03710 
03711             for (l = d->lines; l; l = l->next) {
03712                if (l->instance == lineInstance) {
03713                   ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
03714                   req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
03715                   req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
03716                   lineInstance++;
03717                   buttonCount++;
03718                   btnSet = 1;
03719                   break;
03720                }
03721             }
03722             break;
03723          case BT_SPEEDDIAL:
03724             req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
03725             req->data.buttontemplate.definition[i].instanceNumber = 0;
03726 
03727             for (sd = d->speeddials; sd; sd = sd->next) {
03728                if (sd->instance == speeddialInstance) {
03729                   ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
03730                   req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
03731                   req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
03732                   speeddialInstance++;
03733                   buttonCount++;
03734                   btnSet = 1;
03735                   break;
03736                }
03737             }
03738             break;
03739          case BT_CUST_HINT:
03740             break;
03741          case BT_NONE:
03742             break;
03743          default:
03744             ast_verbose("Adding button: %d, %d\n", btn[i].buttonDefinition, 0);
03745             req->data.buttontemplate.definition[i].buttonDefinition = htolel(btn[i].buttonDefinition);
03746             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03747             buttonCount++;
03748             btnSet = 1;
03749             break;
03750       }
03751    }
03752 
03753    req->data.buttontemplate.buttonOffset = htolel(0);
03754    req->data.buttontemplate.buttonCount = htolel(buttonCount);
03755    req->data.buttontemplate.totalButtonCount = htolel(buttonCount);
03756 
03757    if (skinnydebug)
03758       ast_verbose("Sending %d template to %s\n",
03759                d->type,
03760                d->name);
03761    transmit_response(s, req);
03762    return 1;
03763 }
03764 
03765 static int handle_version_req_message(struct skinny_req *req, struct skinnysession *s)
03766 {
03767    struct skinny_device *d = s->device;
03768    if (!(req = req_alloc(sizeof(struct version_res_message), VERSION_RES_MESSAGE)))
03769       return -1;
03770 
03771    snprintf(req->data.version.version, sizeof(req->data.version.version), d->version_id);
03772    transmit_response(s, req);
03773    return 1;
03774 }
03775 
03776 static int handle_server_request_message(struct skinny_req *req, struct skinnysession *s)
03777 {
03778    struct skinny_device *d = s->device;
03779    if (!(req = req_alloc(sizeof(struct server_res_message), SERVER_RES_MESSAGE)))
03780       return -1;
03781 
03782    memcpy(req->data.serverres.server[0].serverName, ourhost,
03783          sizeof(req->data.serverres.server[0].serverName));
03784    req->data.serverres.serverListenPort[0] = htolel(ourport);
03785    req->data.serverres.serverIpAddr[0] = htolel(d->ourip.s_addr);
03786    transmit_response(s, req);
03787    return 1;
03788 }
03789 
03790 static int handle_alarm_message(struct skinny_req *req, struct skinnysession *s)
03791 {
03792    /* no response necessary */
03793    if (skinnydebug)
03794       ast_verbose("Received Alarm Message: %s\n", req->data.alarm.displayMessage);
03795 
03796    return 1;
03797 }
03798 
03799 static int handle_open_receive_channel_ack_message(struct skinny_req *req, struct skinnysession *s)
03800 {
03801    struct skinny_device *d = s->device;
03802    struct skinny_line *l;
03803    struct skinny_subchannel *sub;
03804    struct ast_format_list fmt;
03805    struct sockaddr_in sin;
03806    struct sockaddr_in us;
03807    uint32_t addr;
03808    int port;
03809    int status;
03810    int passthruid;
03811 
03812    status = letohl(req->data.openreceivechannelack.status);
03813    if (status) {
03814       ast_log(LOG_ERROR, "Open Receive Channel Failure\n");
03815       return 0;
03816    }
03817    addr = letohl(req->data.openreceivechannelack.ipAddr);
03818    port = letohl(req->data.openreceivechannelack.port);
03819    passthruid = letohl(req->data.openreceivechannelack.passThruId);
03820 
03821    sin.sin_family = AF_INET;
03822    sin.sin_addr.s_addr = addr;
03823    sin.sin_port = htons(port);
03824 
03825    sub = find_subchannel_by_reference(d, passthruid);
03826 
03827    if (!sub)
03828       return 0;
03829 
03830    l = sub->parent;
03831 
03832    if (sub->rtp) {
03833       ast_rtp_set_peer(sub->rtp, &sin);
03834       ast_rtp_get_us(sub->rtp, &us);
03835    } else {
03836       ast_log(LOG_ERROR, "No RTP structure, this is very bad\n");
03837       return 0;
03838    }
03839 
03840    if (skinnydebug) {
03841       ast_verbose("ipaddr = %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
03842       ast_verbose("ourip = %s:%d\n", ast_inet_ntoa(d->ourip), ntohs(us.sin_port));
03843    }
03844 
03845    if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
03846       return -1;
03847 
03848    fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
03849 
03850    if (skinnydebug)
03851       ast_verbose("Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
03852 
03853    req->data.startmedia.conferenceId = htolel(sub->callid);
03854    req->data.startmedia.passThruPartyId = htolel(sub->callid);
03855    req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
03856    req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
03857    req->data.startmedia.packetSize = htolel(fmt.cur_ms);
03858    req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
03859    req->data.startmedia.qualifier.precedence = htolel(127);
03860    req->data.startmedia.qualifier.vad = htolel(0);
03861    req->data.startmedia.qualifier.packets = htolel(0);
03862    req->data.startmedia.qualifier.bitRate = htolel(0);
03863    transmit_response(s, req);
03864 
03865    return 1;
03866 }
03867 
03868 static int handle_enbloc_call_message(struct skinny_req *req, struct skinnysession *s)
03869 {
03870    struct skinny_device *d = s->device;
03871    struct skinny_line *l;
03872    struct skinny_subchannel *sub = NULL;
03873    struct ast_channel *c;
03874    pthread_t t;
03875 
03876    if (skinnydebug)
03877       ast_verbose("Received Enbloc Call: %s\n", req->data.enbloccallmessage.calledParty);
03878 
03879    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03880 
03881    if (!sub) {
03882       l = find_line_by_instance(d, d->lastlineinstance);
03883       if (!l) {
03884          return 0;
03885       }
03886    } else {
03887       l = sub->parent;
03888    }
03889 
03890    c = skinny_new(l, AST_STATE_DOWN);
03891 
03892    if(!c) {
03893       ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03894    } else {
03895       l->hookstate = SKINNY_OFFHOOK;
03896 
03897       sub = c->tech_pvt;
03898       transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03899       if (skinnydebug)
03900          ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03901       transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03902       transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03903 
03904       if (!ast_ignore_pattern(c->context, req->data.enbloccallmessage.calledParty)) {
03905          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03906       }
03907       ast_copy_string(c->exten, req->data.enbloccallmessage.calledParty, sizeof(c->exten));
03908       if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
03909          ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
03910          ast_hangup(c);
03911       }
03912    }
03913    
03914    return 1;
03915 }
03916 
03917 
03918 static int handle_soft_key_set_req_message(struct skinny_req *req, struct skinnysession *s)
03919 {
03920    int i;
03921    int x;
03922    int y;
03923    const struct soft_key_definitions *softkeymode = soft_key_default_definitions;
03924 
03925    if (!(req = req_alloc(sizeof(struct soft_key_set_res_message), SOFT_KEY_SET_RES_MESSAGE)))
03926       return -1;
03927 
03928    req->data.softkeysets.softKeySetOffset = htolel(0);
03929    req->data.softkeysets.softKeySetCount = htolel(11);
03930    req->data.softkeysets.totalSoftKeySetCount = htolel(11);
03931    for (x = 0; x < sizeof(soft_key_default_definitions) / sizeof(struct soft_key_definitions); x++) {
03932       const uint8_t *defaults = softkeymode->defaults;
03933       /* XXX I wanted to get the size of the array dynamically, but that wasn't wanting to work.
03934          This will have to do for now. */
03935       for (y = 0; y < softkeymode->count; y++) {
03936          for (i = 0; i < (sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition)); i++) {
03937             if (defaults[y] == i+1) {
03938                req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyTemplateIndex[y] = htolel(i+1);
03939                req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyInfoIndex[y] = htolel(i+301);
03940             }
03941          }
03942       }
03943       softkeymode++;
03944    }
03945    transmit_response(s,req);
03946    transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
03947    return 1;
03948 }
03949 
03950 static int handle_soft_key_event_message(struct skinny_req *req, struct skinnysession *s)
03951 {
03952    struct skinny_device *d = s->device;
03953    struct skinny_line *l;
03954    struct skinny_subchannel *sub = NULL;
03955    struct ast_channel *c;
03956    pthread_t t;
03957    int event;
03958    int instance;
03959    int callreference;
03960 
03961    event = letohl(req->data.softkeyeventmessage.softKeyEvent);
03962    instance = letohl(req->data.softkeyeventmessage.instance);
03963    callreference = letohl(req->data.softkeyeventmessage.callreference);
03964 
03965    if (instance) {
03966       l = find_line_by_instance(d, instance);
03967       if (callreference) {
03968          sub = find_subchannel_by_instance_reference(d, instance, callreference);
03969       } else {
03970          sub = find_subchannel_by_instance_reference(d, instance, d->lastcallreference);
03971       }
03972    } else {
03973       l = find_line_by_instance(d, d->lastlineinstance);
03974    }
03975 
03976    if (!l) {
03977       if (skinnydebug)
03978          ast_verbose("Received Softkey Event: %d(%d/%d)\n", event, instance, callreference);
03979       return 0;
03980    }
03981 
03982    switch(event) {
03983    case SOFTKEY_NONE:
03984       if (skinnydebug)
03985          ast_verbose("Received Softkey Event: None(%d/%d)\n", instance, callreference);
03986       break;
03987    case SOFTKEY_REDIAL:
03988       if (skinnydebug)
03989          ast_verbose("Received Softkey Event: Redial(%d/%d)\n", instance, callreference);
03990 
03991 #if 0
03992       if (!sub || !sub->owner) {
03993          c = skinny_new(l, AST_STATE_DOWN);
03994       } else {
03995          c = sub->owner;
03996       }
03997 
03998       if(!c) {
03999          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
04000       } else {
04001          sub = c->tech_pvt;
04002          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
04003          if (skinnydebug)
04004             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
04005          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
04006          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
04007          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
04008 
04009          if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
04010             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
04011          }
04012          ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
04013          if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
04014             ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
04015             ast_hangup(c);
04016          }
04017       }
04018 #endif
04019       break;
04020    case SOFTKEY_NEWCALL:  /* Actually the DIAL softkey */
04021       if (skinnydebug)
04022          ast_verbose("Received Softkey Event: New Call(%d/%d)\n", instance, callreference);
04023 
04024       if (!sub || !sub->owner) {
04025          c = skinny_new(l, AST_STATE_DOWN);
04026       } else {
04027          c = sub->owner;
04028       }
04029 
04030       if (!c) {
04031          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
04032       } else {
04033          sub = c->tech_pvt;
04034          if (l->hookstate == SKINNY_ONHOOK) {
04035             l->hookstate = SKINNY_OFFHOOK;
04036             transmit_speaker_mode(s, SKINNY_SPEAKERON);
04037             transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
04038          }
04039 
04040          if (skinnydebug)
04041             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
04042          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
04043          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
04044          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
04045 
04046          /* start the switch thread */
04047          if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
04048             ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
04049             ast_hangup(c);
04050          }
04051       }
04052       break;
04053    case SOFTKEY_HOLD:
04054       if (skinnydebug)
04055          ast_verbose("Received Softkey Event: Hold(%d/%d)\n", instance, callreference);
04056 
04057       if (sub) {
04058          if (sub->onhold) {
04059             skinny_unhold(sub);
04060          } else {
04061             skinny_hold(sub);
04062          }
04063       }
04064             
04065       break;
04066    case SOFTKEY_TRNSFER:
04067       if (skinnydebug)
04068          ast_verbose("Received Softkey Event: Transfer(%d/%d)\n", instance, callreference);
04069       /* XXX figure out how to transfer */
04070       break;
04071    case SOFTKEY_CFWDALL:
04072       if (skinnydebug)
04073          ast_verbose("Received Softkey Event: Forward All(%d/%d)\n", instance, callreference);
04074 
04075       /* Do not disturb */
04076       if (l->dnd != 0){
04077          if (option_verbose > 2)
04078             ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
04079          l->dnd = 0;
04080          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
04081          transmit_displaynotify(s, "DnD disabled", 10);
04082       } else {
04083          if (option_verbose > 2)
04084             ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
04085          l->dnd = 1;
04086          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
04087          transmit_displaynotify(s, "DnD enabled", 10);
04088       }
04089       break;
04090    case SOFTKEY_CFWDBUSY:
04091       if (skinnydebug)
04092          ast_verbose("Received Softkey Event: Forward Busy (%d/%d)\n", instance, callreference);
04093       break;
04094    case SOFTKEY_CFWDNOANSWER:
04095       if (skinnydebug)
04096          ast_verbose("Received Softkey Event: Forward No Answer (%d/%d)\n", instance, callreference);
04097       break;
04098    case SOFTKEY_BKSPC:
04099       if (skinnydebug)
04100          ast_verbose("Received Softkey Event: Backspace(%d/%d)\n", instance, callreference);
04101       break;
04102    case SOFTKEY_ENDCALL:
04103       if (skinnydebug)
04104          ast_verbose("Received Softkey Event: End Call(%d/%d)\n", instance, callreference);
04105 
04106       if (l->hookstate == SKINNY_ONHOOK) {
04107          /* Something else already put us back on hook */
04108          break;
04109       }
04110       if (sub) {
04111          sub->cxmode = SKINNY_CX_RECVONLY;
04112          l->hookstate = SKINNY_ONHOOK;
04113          transmit_callstate(s, l->instance, l->hookstate, sub->callid);
04114          if (skinnydebug)
04115             ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
04116          if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
04117             /* We're allowed to transfer, we have two active calls and
04118                we made at least one of the calls.  Let's try and transfer */
04119 
04120 #if 0
04121             if ((res = attempt_transfer(p)) < 0) {
04122                if (sub->next && sub->next->owner) {
04123                   sub->next->alreadygone = 1;
04124                   ast_queue_hangup(sub->next->owner, 1);
04125                }
04126             } else if (res) {
04127                ast_log(LOG_WARNING, "Transfer attempt failed\n");
04128                break;
04129             }
04130 #endif
04131          } else {
04132             /* Hangup the current call */
04133             /* If there is another active call, skinny_hangup will ring the phone with the other call */
04134             if (sub->owner) {
04135                sub->alreadygone = 1;
04136                ast_queue_hangup(sub->owner);
04137             } else {
04138                ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
04139                   l->name, d->name, sub->callid);
04140             }
04141          }
04142          if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
04143             do_housekeeping(s);
04144          }
04145       }
04146       break;
04147    case SOFTKEY_RESUME:
04148       if (skinnydebug)
04149          ast_verbose("Received Softkey Event: Resume(%d/%d)\n", instance, callreference);
04150       break;
04151    case SOFTKEY_ANSWER:
04152       if (skinnydebug)
04153          ast_verbose("Received Softkey Event: Answer(%d/%d)\n", instance, callreference);
04154 
04155       transmit_ringer_mode(s,SKINNY_RING_OFF);
04156       transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
04157 
04158       l->hookstate = SKINNY_OFFHOOK;
04159 
04160       if (sub && sub->outgoing) {
04161          /* We're answering a ringing call */
04162          ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
04163          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
04164          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
04165          transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
04166          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
04167          start_rtp(sub);
04168          ast_setstate(sub->owner, AST_STATE_UP);
04169       }
04170       break;
04171    case SOFTKEY_INFO:
04172       if (skinnydebug)
04173          ast_verbose("Received Softkey Event: Info(%d/%d)\n", instance, callreference);
04174       break;
04175    case SOFTKEY_CONFRN:
04176       if (skinnydebug)
04177          ast_verbose("Received Softkey Event: Conference(%d/%d)\n", instance, callreference);
04178       /* XXX determine the best way to pull off a conference.  Meetme? */
04179       break;
04180    case SOFTKEY_PARK:
04181       if (skinnydebug)
04182          ast_verbose("Received Softkey Event: Park Call(%d/%d)\n", instance, callreference);
04183       /* XXX Park the call */
04184       break;
04185    case SOFTKEY_JOIN:
04186       if (skinnydebug)
04187          ast_verbose("Received Softkey Event: Join(%d/%d)\n", instance, callreference);
04188       break;
04189    case SOFTKEY_MEETME:
04190       /* XXX How is this different from CONFRN? */
04191       if (skinnydebug)
04192          ast_verbose("Received Softkey Event: Meetme(%d/%d)\n", instance, callreference);
04193       break;
04194    case SOFTKEY_PICKUP:
04195       if (skinnydebug)
04196          ast_verbose("Received Softkey Event: Pickup(%d/%d)\n", instance, callreference);
04197       break;
04198    case SOFTKEY_GPICKUP:
04199       if (skinnydebug)
04200          ast_verbose("Received Softkey Event: Group Pickup(%d/%d)\n", instance, callreference);
04201       break;
04202    default:
04203       if (skinnydebug)
04204          ast_verbose("Received unknown Softkey Event: %d(%d/%d)\n", event, instance, callreference);
04205       break;
04206    }
04207    return 1;
04208 }
04209 
04210 static int handle_unregister_message(struct skinny_req *req, struct skinnysession *s)
04211 {
04212    return skinny_unregister(req, s);
04213 }
04214 
04215 static int handle_soft_key_template_req_message(struct skinny_req *req, struct skinnysession *s)
04216 {
04217    if (!(req = req_alloc(sizeof(struct soft_key_template_res_message), SOFT_KEY_TEMPLATE_RES_MESSAGE)))
04218       return -1;
04219 
04220    req->data.softkeytemplate.softKeyOffset = htolel(0);
04221    req->data.softkeytemplate.softKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
04222    req->data.softkeytemplate.totalSoftKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
04223    memcpy(req->data.softkeytemplate.softKeyTemplateDefinition,
04224       soft_key_template_default,
04225       sizeof(soft_key_template_default));
04226    transmit_response(s,req);
04227    return 1;
04228 }
04229 
04230 static int handle_headset_status_message(struct skinny_req *req, struct skinnysession *s)
04231 {
04232    /* XXX umm...okay?  Why do I care? */
04233    return 1;
04234 }
04235 
04236 static int handle_register_available_lines_message(struct skinny_req *req, struct skinnysession *s)
04237 {
04238    /* XXX I have no clue what this is for, but my phone was sending it, so... */
04239    return 1;
04240 }
04241 
04242 static int handle_message(struct skinny_req *req, struct skinnysession *s)
04243 {
04244    int res = 0;
04245    struct skinny_device *d = s->device;
04246    struct skinny_subchannel *sub;
04247    int lineInstance;
04248    int callReference;
04249 
04250    if ((!s->device) && (letohl(req->e) != REGISTER_MESSAGE && letohl(req->e) != ALARM_MESSAGE)) {
04251       ast_log(LOG_WARNING, "Client sent message #%d without first registering.\n", req->e);
04252       free(req);
04253       return 0;
04254    }
04255 
04256    switch(letohl(req->e))  {
04257    case KEEP_ALIVE_MESSAGE:
04258       res = handle_keep_alive_message(req, s);
04259       break;
04260    case REGISTER_MESSAGE:
04261       if (skinnydebug)
04262          ast_verbose("Device %s is attempting to register\n", req->data.reg.name);
04263 
04264       res = handle_register_message(req, s);
04265       break;
04266    case IP_PORT_MESSAGE:
04267       res = handle_ip_port_message(req, s);
04268       break;
04269    case KEYPAD_BUTTON_MESSAGE:
04270       if (skinnydebug)
04271          ast_verbose("Collected digit: [%d]\n", letohl(req->data.keypad.button));
04272 
04273       lineInstance = letohl(req->data.keypad.lineInstance);
04274       callReference = letohl(req->data.keypad.callReference);
04275 
04276       sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
04277 
04278       if (sub && (sub->owner && sub->owner->_state <  AST_STATE_UP)) {
04279          char dgt;
04280          int digit = letohl(req->data.keypad.button);
04281          size_t len;
04282 
04283          if (digit == 14) {
04284             dgt = '*';
04285          } else if (digit == 15) {
04286             dgt = '#';
04287          } else if (digit >= 0 && digit <= 9) {
04288             dgt = '0' + digit;
04289          } else {
04290             /* digit=10-13 (A,B,C,D ?), or
04291             * digit is bad value
04292             *
04293             * probably should not end up here, but set
04294             * value for backward compatibility, and log
04295             * a warning.
04296             */
04297             dgt = '0' + digit;
04298             ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
04299          }
04300 
04301          len = strlen(d->exten);
04302          if (len < sizeof(d->exten) - 1) {
04303             d->exten[len] = dgt;
04304             d->exten[len+1] = '\0';
04305          } else {
04306             ast_log(LOG_WARNING, "Dropping digit with value %d because digit queue is full\n", dgt);
04307          }
04308       } else
04309          res = handle_keypad_button_message(req, s);
04310       break;
04311    case ENBLOC_CALL_MESSAGE:
04312       res = handle_enbloc_call_message(req, s);
04313       break;
04314    case STIMULUS_MESSAGE:
04315       res = handle_stimulus_message(req, s);
04316       break;
04317    case OFFHOOK_MESSAGE:
04318       res = handle_offhook_message(req, s);
04319       break;
04320    case ONHOOK_MESSAGE:
04321       res = handle_onhook_message(req, s);
04322       break;
04323    case CAPABILITIES_RES_MESSAGE:
04324       if (skinnydebug)
04325          ast_verbose("Received CapabilitiesRes\n");
04326 
04327       res = handle_capabilities_res_message(req, s);
04328       break;
04329    case SPEED_DIAL_STAT_REQ_MESSAGE:
04330       if (skinnydebug)
04331          ast_verbose("Received SpeedDialStatRequest\n");
04332 
04333       res = handle_speed_dial_stat_req_message(req, s);
04334       break;
04335    case LINE_STATE_REQ_MESSAGE:
04336       if (skinnydebug)
04337          ast_verbose("Received LineStatRequest\n");
04338       res = handle_line_state_req_message(req, s);
04339       break;
04340    case TIME_DATE_REQ_MESSAGE:
04341       if (skinnydebug)
04342          ast_verbose("Received Time/Date Request\n");
04343 
04344       res = handle_time_date_req_message(req, s);
04345       break;
04346    case BUTTON_TEMPLATE_REQ_MESSAGE:
04347       if (skinnydebug)
04348          ast_verbose("Buttontemplate requested\n");
04349 
04350       res = handle_button_template_req_message(req, s);
04351       break;
04352    case VERSION_REQ_MESSAGE:
04353       if (skinnydebug)
04354          ast_verbose("Version Request\n");
04355 
04356       res = handle_version_req_message(req, s);
04357       break;
04358    case SERVER_REQUEST_MESSAGE:
04359       if (skinnydebug)
04360          ast_verbose("Received Server Request\n");
04361 
04362       res = handle_server_request_message(req, s);
04363       break;
04364    case ALARM_MESSAGE:
04365       res = handle_alarm_message(req, s);
04366       break;
04367    case OPEN_RECEIVE_CHANNEL_ACK_MESSAGE:
04368       if (skinnydebug)
04369          ast_verbose("Received Open Receive Channel Ack\n");
04370 
04371       res = handle_open_receive_channel_ack_message(req, s);
04372       break;
04373    case SOFT_KEY_SET_REQ_MESSAGE:
04374       if (skinnydebug)
04375          ast_verbose("Received SoftKeySetReq\n");
04376 
04377       res = handle_soft_key_set_req_message(req, s);
04378       break;
04379    case SOFT_KEY_EVENT_MESSAGE:
04380       res = handle_soft_key_event_message(req, s);
04381       break;
04382    case UNREGISTER_MESSAGE:
04383       if (skinnydebug)
04384          ast_verbose("Received Unregister Request\n");
04385 
04386       res = handle_unregister_message(req, s);
04387       break;
04388    case SOFT_KEY_TEMPLATE_REQ_MESSAGE:
04389       if (skinnydebug)
04390          ast_verbose("Received SoftKey Template Request\n");
04391 
04392       res = handle_soft_key_template_req_message(req, s);
04393       break;
04394    case HEADSET_STATUS_MESSAGE:
04395       res = handle_headset_status_message(req, s);
04396       break;
04397    case REGISTER_AVAILABLE_LINES_MESSAGE:
04398       res = handle_register_available_lines_message(req, s);
04399       break;
04400    default:
04401       if (skinnydebug)
04402          ast_verbose("RECEIVED UNKNOWN MESSAGE TYPE:  %x\n", letohl(req->e));
04403       break;
04404    }
04405    if (res >= 0 && req)
04406       free(req);
04407    return res;
04408 }
04409 
04410 static void destroy_session(struct skinnysession *s)
04411 {
04412    struct skinnysession *cur, *prev = NULL;
04413    ast_mutex_lock(&sessionlock);
04414    cur = sessions;
04415    while(cur) {
04416       if (cur == s) {
04417          break;
04418       }
04419       prev = cur;
04420       cur = cur->next;
04421    }
04422    if (cur) {
04423       if (prev) {
04424          prev->next = cur->next;
04425       } else {
04426          sessions = cur->next;
04427       }
04428       if (s->fd > -1) {
04429          close(s->fd);
04430       }
04431       if (!s->device) {
04432          ast_atomic_fetchadd_int(&unauth_sessions, -1);
04433       }
04434       ast_mutex_destroy(&s->lock);
04435       free(s);
04436    } else {
04437       ast_log(LOG_WARNING, "Trying to delete nonexistent session %p?\n", s);
04438    }
04439    ast_mutex_unlock(&sessionlock);
04440 }
04441 
04442 static int get_input(struct skinnysession *s)
04443 {
04444    int res;
04445    int dlen = 0;
04446    int timeout = keep_alive * 1100;
04447    time_t now;
04448    struct pollfd fds[1];
04449 
04450    if (!s->device) {
04451       if(time(&now) == -1) {
04452          ast_log(LOG_ERROR, "error executing time(): %s\n", strerror(errno));
04453          return -1;
04454       }
04455 
04456       timeout = (auth_timeout - (now - s->start)) * 1000;
04457       if (timeout < 0) {
04458          /* we have timed out */
04459          if (skinnydebug)
04460             ast_verbose("Skinny Client failed to authenticate in %d seconds\n", auth_timeout);
04461          return -1;
04462       }
04463    }
04464 
04465    fds[0].fd = s->fd;
04466    fds[0].events = POLLIN;
04467    fds[0].revents = 0;
04468    res = poll(fds, 1, timeout); /* If nothing has happen, client is dead */
04469                    /* we add 10% to the keep_alive to deal */
04470                    /* with network delays, etc */
04471    if (res < 0) {
04472       if (errno != EINTR) {
04473          ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
04474          return res;
04475       }
04476    } else if (res == 0) {
04477       if (skinnydebug) {
04478          if (s->device) {
04479             ast_verbose("Skinny Client was lost, unregistering\n");
04480          } else {
04481             ast_verbose("Skinny Client failed to authenticate in %d seconds\n", auth_timeout);
04482          }
04483       }
04484       skinny_unregister(NULL, s);
04485       return -1;
04486    }
04487            
04488    if (fds[0].revents) {
04489       ast_mutex_lock(&s->lock);
04490       memset(s->inbuf,0,sizeof(s->inbuf));
04491       res = read(s->fd, s->inbuf, 4);
04492       if (res < 0) {
04493          ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
04494 
04495          if (skinnydebug)
04496             ast_verbose("Skinny Client was lost, unregistering\n");
04497          
04498          skinny_unregister(NULL,s);
04499          ast_mutex_unlock(&s->lock);
04500          return res;
04501       } else if (res != 4) {
04502          ast_log(LOG_WARNING, "Skinny Client sent less data than expected.  Expected 4 but got %d.\n", res);
04503          ast_mutex_unlock(&s->lock);
04504          
04505          if (res == 0) {
04506             if (skinnydebug)
04507                ast_verbose("Skinny Client was lost, unregistering\n");
04508             skinny_unregister(NULL, s);
04509          }
04510            
04511          return -1;
04512       }
04513       
04514       dlen = letohl(*(int *)s->inbuf);
04515       if (dlen < 4) {
04516          ast_log(LOG_WARNING, "Skinny Client sent invalid data.\n");
04517          ast_mutex_unlock(&s->lock);
04518          return -1;
04519       }
04520       if (dlen+8 > sizeof(s->inbuf)) {
04521          dlen = sizeof(s->inbuf) - 8;
04522       }
04523       *(int *)s->inbuf = htolel(dlen);
04524 
04525       res = read(s->fd, s->inbuf+4, dlen+4);
04526       ast_mutex_unlock(&s->lock);
04527       if (res < 0) {
04528          ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
04529          return res;
04530       } else if (res != (dlen+4)) {
04531          ast_log(LOG_WARNING, "Skinny Client sent less data than expected.\n");
04532          return -1;
04533       }
04534       return res;
04535    }
04536    return 0;
04537 }
04538 
04539 static struct skinny_req *skinny_req_parse(struct skinnysession *s)
04540 {
04541    struct skinny_req *req;
04542 
04543    if (!(req = ast_calloc(1, SKINNY_MAX_PACKET)))
04544       return NULL;
04545 
04546    ast_mutex_lock(&s->lock);
04547    memcpy(req, s->inbuf, skinny_header_size);
04548    memcpy(&req->data, s->inbuf+skinny_header_size, letohl(*(int*)(s->inbuf))-4);
04549 
04550    ast_mutex_unlock(&s->lock);
04551 
04552    if (letohl(req->e) < 0) {
04553       ast_log(LOG_ERROR, "Event Message is NULL from socket %d, This is bad\n", s->fd);
04554       free(req);
04555       return NULL;
04556    }
04557 
04558    return req;
04559 }
04560 
04561 static void *skinny_session(void *data)
04562 {
04563    int res;
04564    struct skinny_req *req;
04565    struct skinnysession *s = data;
04566 
04567    if (option_verbose > 2)
04568       ast_verbose(VERBOSE_PREFIX_3 "Starting Skinny session from %s\n", ast_inet_ntoa(s->sin.sin_addr));
04569 
04570    for (;;) {
04571       res = get_input(s);
04572       if (res < 0) {
04573          break;
04574       }
04575 
04576       if (res > 0)
04577       {
04578          if (!(req = skinny_req_parse(s))) {
04579             destroy_session(s);
04580             return NULL;
04581          }
04582 
04583          res = handle_message(req, s);
04584          if (res < 0) {
04585             destroy_session(s);
04586             return NULL;
04587          }
04588       }
04589    }
04590    ast_log(LOG_NOTICE, "Skinny Session returned: %s\n", strerror(errno));
04591 
04592    if (s) 
04593       destroy_session(s);
04594    
04595    return 0;
04596 }
04597 
04598 static void *accept_thread(void *ignore)
04599 {
04600    int as;
04601    struct sockaddr_in sin;
04602    socklen_t sinlen;
04603    struct skinnysession *s;
04604    struct protoent *p;
04605    int arg = 1;
04606    pthread_attr_t attr;
04607    pthread_t tcp_thread;
04608 
04609    pthread_attr_init(&attr);
04610    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
04611 
04612    for (;;) {
04613       sinlen = sizeof(sin);
04614       as = accept(skinnysock, (struct sockaddr *)&sin, &sinlen);
04615       if (as < 0) {
04616          ast_log(LOG_NOTICE, "Accept returned -1: %s\n", strerror(errno));
04617          continue;
04618       }
04619 
04620       if (ast_atomic_fetchadd_int(&unauth_sessions, +1) >= auth_limit) {
04621          close(as);
04622          ast_atomic_fetchadd_int(&unauth_sessions, -1);
04623          continue;
04624       }
04625 
04626       p = getprotobyname("tcp");
04627       if(p) {
04628          if( setsockopt(as, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
04629             ast_log(LOG_WARNING, "Failed to set Skinny tcp connection to TCP_NODELAY mode: %s\n", strerror(errno));
04630          }
04631       }
04632       if (!(s = ast_calloc(1, sizeof(struct skinnysession)))) {
04633          close(as);
04634          ast_atomic_fetchadd_int(&unauth_sessions, -1);
04635          continue;
04636       }
04637 
04638       memcpy(&s->sin, &sin, sizeof(sin));
04639       ast_mutex_init(&s->lock);
04640       s->fd = as;
04641 
04642       if(time(&s->start) == -1) {
04643          ast_log(LOG_ERROR, "error executing time(): %s; disconnecting client\n", strerror(errno));
04644          destroy_session(s);
04645          continue;
04646       }
04647 
04648       ast_mutex_lock(&sessionlock);
04649       s->next = sessions;
04650       sessions = s;
04651       ast_mutex_unlock(&sessionlock);
04652 
04653       if (ast_pthread_create(&tcp_thread, &attr, skinny_session, s)) {
04654          destroy_session(s);
04655       }
04656    }
04657    if (skinnydebug)
04658       ast_verbose("killing accept thread\n");
04659    close(as);
04660    pthread_attr_destroy(&attr);
04661    return 0;
04662 }
04663 
04664 static void *do_monitor(void *data)
04665 {
04666    int res;
04667 
04668    /* This thread monitors all the interfaces which are not yet in use
04669       (and thus do not have a separate thread) indefinitely */
04670    /* From here on out, we die whenever asked */
04671    for(;;) {
04672       pthread_testcancel();
04673       /* Wait for sched or io */
04674       res = ast_sched_wait(sched);
04675       if ((res < 0) || (res > 1000)) {
04676          res = 1000;
04677       }
04678       res = ast_io_wait(io, res);
04679       ast_mutex_lock(&monlock);
04680       if (res >= 0) {
04681          ast_sched_runq(sched);
04682       }
04683       ast_mutex_unlock(&monlock);
04684    }
04685    /* Never reached */
04686    return NULL;
04687 
04688 }
04689 
04690 static int restart_monitor(void)
04691 {
04692    /* If we're supposed to be stopped -- stay stopped */
04693    if (monitor_thread == AST_PTHREADT_STOP)
04694       return 0;
04695 
04696    ast_mutex_lock(&monlock);
04697    if (monitor_thread == pthread_self()) {
04698       ast_mutex_unlock(&monlock);
04699       ast_log(LOG_WARNING, "Cannot kill myself\n");
04700       return -1;
04701    }
04702    if (monitor_thread != AST_PTHREADT_NULL) {
04703       /* Wake up the thread */
04704       pthread_kill(monitor_thread, SIGURG);
04705    } else {
04706       /* Start a new monitor */
04707       if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
04708          ast_mutex_unlock(&monlock);
04709          ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
04710          return -1;
04711       }
04712    }
04713    ast_mutex_unlock(&monlock);
04714    return 0;
04715 }
04716 
04717 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause)
04718 {
04719    int oldformat;
04720    
04721    struct skinny_line *l;
04722    struct ast_channel *tmpc = NULL;
04723    char tmp[256];
04724    char *dest = data;
04725 
04726    oldformat = format;
04727    
04728    if (!(format &= ((AST_FORMAT_MAX_AUDIO << 1) - 1))) {
04729       ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
04730       return NULL;   
04731    }     
04732 
04733    ast_copy_string(tmp, dest, sizeof(tmp));
04734    if (ast_strlen_zero(tmp)) {
04735       ast_log(LOG_NOTICE, "Skinny channels require a device\n");
04736       return NULL;
04737    }
04738    l = find_line_by_name(tmp);
04739    if (!l) {
04740       ast_log(LOG_NOTICE, "No available lines on: %s\n", dest);
04741       return NULL;
04742    }
04743    if (option_verbose > 2) {
04744       ast_verbose(VERBOSE_PREFIX_3 "skinny_request(%s)\n", tmp);
04745    }
04746    tmpc = skinny_new(l, AST_STATE_DOWN);
04747    if (!tmpc) {
04748       ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
04749    }
04750    restart_monitor();
04751    return tmpc;
04752 }
04753 
04754 static int reload_config(void)
04755 {
04756    int on = 1;
04757    struct ast_config *cfg;
04758    struct ast_variable *v;
04759    char *cat;
04760    struct skinny_device *d;
04761    int oldport = ntohs(bindaddr.sin_port);
04762 
04763    if (gethostname(ourhost, sizeof(ourhost))) {
04764       ast_log(LOG_WARNING, "Unable to get hostname, Skinny disabled\n");
04765       return 0;
04766    }
04767    cfg = ast_config_load(config);
04768 
04769    /* We *must* have a config file otherwise stop immediately */
04770    if (!cfg) {
04771       ast_log(LOG_NOTICE, "Unable to load config %s, Skinny disabled\n", config);
04772       return -1;
04773    }
04774    memset(&bindaddr, 0, sizeof(bindaddr));
04775    memset(&default_prefs, 0, sizeof(default_prefs));
04776 
04777    /* Copy the default jb config over global_jbconf */
04778    memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
04779 
04780    /* load the general section */
04781    v = ast_variable_browse(cfg, "general");
04782    while (v) {
04783       /* handle jb conf */
04784       if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) {
04785          v = v->next;
04786          continue;
04787       }
04788 
04789       /* Create the interface list */
04790       if (!strcasecmp(v->name, "bindaddr")) {
04791          if (!(hp = ast_gethostbyname(v->value, &ahp))) {
04792             ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
04793          } else {
04794             memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
04795          }
04796       } else if (!strcasecmp(v->name, "keepalive")) {
04797          keep_alive = atoi(v->value);
04798       } else if (!strcasecmp(v->name, "authtimeout")) {
04799          int timeout = atoi(v->value);
04800 
04801          if (timeout < 1) {
04802             ast_log(LOG_WARNING, "Invalid authtimeout value '%s', using default value\n", v->value);
04803             auth_timeout = DEFAULT_AUTH_TIMEOUT;
04804          } else {
04805             auth_timeout = timeout;
04806          }
04807       } else if (!strcasecmp(v->name, "authlimit")) {
04808          int limit = atoi(v->value);
04809 
04810          if (limit < 1) {
04811             ast_log(LOG_WARNING, "Invalid authlimit value '%s', using default value\n", v->value);
04812             auth_limit = DEFAULT_AUTH_LIMIT;
04813          } else {
04814             auth_limit = limit;
04815          }
04816       } else if (!strcasecmp(v->name, "dateformat")) {
04817          memcpy(date_format, v->value, sizeof(date_format));
04818       } else if (!strcasecmp(v->name, "allow")) {
04819          ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 1);
04820       } else if (!strcasecmp(v->name, "disallow")) {
04821          ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 0);
04822       } else if (!strcasecmp(v->name, "bindport") || !strcasecmp(v->name, "port")) {
04823          if (sscanf(v->value, "%d", &ourport) == 1) {
04824             bindaddr.sin_port = htons(ourport);
04825          } else {
04826             ast_log(LOG_WARNING, "Invalid bindport '%s' at line %d of %s\n", v->value, v->lineno, config);
04827          }
04828          if (!strcasecmp(v->name, "port")) { /*! \todo Remove 'port' option after 1.4 */
04829             ast_log(LOG_WARNING, "Option 'port' at line %d of %s has been deprecated.  Please use 'bindport' instead.\n", v->lineno, config);
04830          }
04831       }
04832       v = v->next;
04833    }
04834 
04835    if (ntohl(bindaddr.sin_addr.s_addr)) {
04836       __ourip = bindaddr.sin_addr;
04837    } else {
04838       hp = ast_gethostbyname(ourhost, &ahp);
04839       if (!hp) {
04840          ast_log(LOG_WARNING, "Unable to get our IP address, Skinny disabled\n");
04841          ast_config_destroy(cfg);
04842          return 0;
04843       }
04844       memcpy(&__ourip, hp->h_addr, sizeof(__ourip));
04845    }
04846    if (!ntohs(bindaddr.sin_port)) {
04847       bindaddr.sin_port = ntohs(DEFAULT_SKINNY_PORT);
04848    }
04849    bindaddr.sin_family = AF_INET;
04850 
04851    /* load the device sections */
04852    cat = ast_category_browse(cfg, NULL);
04853    while(cat) {
04854       if (!strcasecmp(cat, "general")) {
04855          /* Nothing to do */
04856 #if 0
04857       } else if (!strncasecmp(cat, "paging-", 7)) {
04858          p = build_paging_device(cat, ast_variable_browse(cfg, cat));
04859          if (p) {
04860          }
04861 #endif
04862       } else {
04863          d = build_device(cat, ast_variable_browse(cfg, cat));
04864          if (d) {
04865             if (option_verbose > 2)
04866                ast_verbose(VERBOSE_PREFIX_3 "Added device '%s'\n", d->name);
04867             ast_mutex_lock(&devicelock);
04868             d->next = devices;
04869             devices = d;
04870             ast_mutex_unlock(&devicelock);
04871          }
04872       }
04873       cat = ast_category_browse(cfg, cat);
04874    }
04875    ast_mutex_lock(&netlock);
04876    if ((skinnysock > -1) && (ntohs(bindaddr.sin_port) != oldport)) {
04877       close(skinnysock);
04878       skinnysock = -1;
04879    }
04880    if (skinnysock < 0) {
04881       skinnysock = socket(AF_INET, SOCK_STREAM, 0);
04882       if(setsockopt(skinnysock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
04883          ast_log(LOG_ERROR, "Set Socket Options failed: errno %d, %s\n", errno, strerror(errno));
04884          ast_config_destroy(cfg);
04885          return 0;
04886       }
04887       if (skinnysock < 0) {
04888          ast_log(LOG_WARNING, "Unable to create Skinny socket: %s\n", strerror(errno));
04889       } else {
04890          if (bind(skinnysock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
04891             ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
04892                   ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
04893                      strerror(errno));
04894             close(skinnysock);
04895             skinnysock = -1;
04896             ast_config_destroy(cfg);
04897             return 0;
04898          }
04899          if (listen(skinnysock,DEFAULT_SKINNY_BACKLOG)) {
04900                ast_log(LOG_WARNING, "Failed to start listening to %s:%d: %s\n",
04901                   ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
04902                      strerror(errno));
04903                close(skinnysock);
04904                skinnysock = -1;
04905                ast_config_destroy(cfg);
04906                return 0;
04907          }
04908          if (option_verbose > 1)
04909             ast_verbose(VERBOSE_PREFIX_2 "Skinny listening on %s:%d\n",
04910                ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port));
04911          ast_pthread_create_background(&accept_t,NULL, accept_thread, NULL);
04912       }
04913    }
04914    ast_mutex_unlock(&netlock);
04915    ast_config_destroy(cfg);
04916    return 1;
04917 }
04918 
04919 static void delete_devices(void)
04920 {
04921    struct skinny_device *d, *dlast;
04922    struct skinny_line *l, *llast;
04923    struct skinny_speeddial *sd, *sdlast;
04924    struct skinny_addon *a, *alast;
04925 
04926    ast_mutex_lock(&devicelock);
04927 
04928    /* Delete all devices */
04929    for (d=devices;d;) {
04930       /* Delete all lines for this device */
04931       for (l=d->lines;l;) {
04932          llast = l;
04933          l = l->next;
04934          ast_mutex_destroy(&llast->lock);
04935          free(llast);
04936       }
04937       /* Delete all speeddials for this device */
04938       for (sd=d->speeddials;sd;) {
04939          sdlast = sd;
04940          sd = sd->next;
04941          ast_mutex_destroy(&sdlast->lock);
04942          free(sdlast);
04943       }
04944       /* Delete all addons for this device */
04945       for (a=d->addons;a;) {
04946          alast = a;
04947          a = a->next;
04948          ast_mutex_destroy(&alast->lock);
04949          free(alast);
04950       }
04951       dlast = d;
04952       d = d->next;
04953       free(dlast);
04954    }
04955    devices=NULL;
04956    ast_mutex_unlock(&devicelock);
04957 }
04958 
04959 #if 0
04960 /*
04961  * XXX This never worked properly anyways.
04962  * Let's get rid of it, until we can fix it.
04963  */
04964 static int reload(void)
04965 {
04966    delete_devices();
04967    reload_config();
04968    restart_monitor();
04969    return 0;
04970 }
04971 #endif
04972 
04973 static int load_module(void)
04974 {
04975    int res = 0;
04976 
04977    for (; res < (sizeof(soft_key_template_default) / sizeof(soft_key_template_default[0])); res++) {
04978       soft_key_template_default[res].softKeyEvent = htolel(soft_key_template_default[res].softKeyEvent);
04979    }
04980    /* load and parse config */
04981    res = reload_config();
04982    if (res == -1) {
04983       return AST_MODULE_LOAD_DECLINE;
04984    }
04985 
04986    /* Make sure we can register our skinny channel type */
04987    if (ast_channel_register(&skinny_tech)) {
04988       ast_log(LOG_ERROR, "Unable to register channel class 'Skinny'\n");
04989       return -1;
04990    }
04991 
04992    ast_rtp_proto_register(&skinny_rtp);
04993    ast_cli_register_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
04994    sched = sched_context_create();
04995    if (!sched) {
04996       ast_log(LOG_WARNING, "Unable to create schedule context\n");
04997    }
04998    io = io_context_create();
04999    if (!io) {
05000       ast_log(LOG_WARNING, "Unable to create I/O context\n");
05001    }
05002    /* And start the monitor for the first time */
05003    restart_monitor();
05004 
05005    return res;
05006 }
05007 
05008 static int unload_module(void)
05009 {
05010    struct skinnysession *s, *slast;
05011    struct skinny_device *d;
05012    struct skinny_line *l;
05013    struct skinny_subchannel *sub;
05014 
05015    ast_mutex_lock(&sessionlock);
05016    /* Destroy all the interfaces and free their memory */
05017    s = sessions;
05018    while(s) {
05019       slast = s;
05020       s = s->next;
05021       for (d = slast->device; d; d = d->next) {
05022          for (l = d->lines; l; l = l->next) {
05023             ast_mutex_lock(&l->lock);
05024             for (sub = l->sub; sub; sub = sub->next) {
05025                ast_mutex_lock(&sub->lock);
05026                if (sub->owner) {
05027                   sub->alreadygone = 1;
05028                   ast_softhangup(sub->owner, AST_SOFTHANGUP_APPUNLOAD);
05029                }
05030                ast_mutex_unlock(&sub->lock);
05031             }
05032             ast_mutex_unlock(&l->lock);
05033          }
05034       }
05035       if (slast->fd > -1)
05036          close(slast->fd);
05037       ast_mutex_destroy(&slast->lock);
05038       free(slast);
05039    }
05040    sessions = NULL;
05041    ast_mutex_unlock(&sessionlock);
05042 
05043    delete_devices();
05044 
05045    ast_mutex_lock(&monlock);
05046    if ((monitor_thread != AST_PTHREADT_NULL) && (monitor_thread != AST_PTHREADT_STOP)) {
05047       pthread_cancel(monitor_thread);
05048       pthread_kill(monitor_thread, SIGURG);
05049       pthread_join(monitor_thread, NULL);
05050    }
05051    monitor_thread = AST_PTHREADT_STOP;
05052    ast_mutex_unlock(&monlock);
05053 
05054    ast_mutex_lock(&netlock);
05055    if (accept_t && (accept_t != AST_PTHREADT_STOP)) {
05056       pthread_cancel(accept_t);
05057       pthread_kill(accept_t, SIGURG);
05058       pthread_join(accept_t, NULL);
05059    }
05060    accept_t = AST_PTHREADT_STOP;
05061    ast_mutex_unlock(&netlock);
05062 
05063    ast_rtp_proto_unregister(&skinny_rtp);
05064    ast_channel_unregister(&skinny_tech);
05065    ast_cli_unregister_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
05066 
05067    close(skinnysock);
05068    if (sched)
05069       sched_context_destroy(sched);
05070 
05071    return 0;
05072 }
05073 
05074 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Skinny Client Control Protocol (Skinny)",
05075       .load = load_module,
05076       .unload = unload_module,
05077           );

Generated on Sun Dec 18 20:55:39 2011 for Asterisk - the Open Source PBX by  doxygen 1.5.6