Thu Dec 17 15:35:38 2009

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: 211528 $")
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 
00100 static int keep_alive = 120;
00101 static char date_format[6] = "D-M-Y";
00102 static char version_id[16] = "P002F202";
00103 
00104 #if __BYTE_ORDER == __LITTLE_ENDIAN
00105 #define letohl(x) (x)
00106 #define letohs(x) (x)
00107 #define htolel(x) (x)
00108 #define htoles(x) (x)
00109 #else
00110 #if defined(SOLARIS) || defined(__Darwin__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
00111 #define __bswap_16(x) \
00112    ((((x) & 0xff00) >> 8) | \
00113     (((x) & 0x00ff) << 8))
00114 #define __bswap_32(x) \
00115    ((((x) & 0xff000000) >> 24) | \
00116     (((x) & 0x00ff0000) >>  8) | \
00117     (((x) & 0x0000ff00) <<  8) | \
00118     (((x) & 0x000000ff) << 24))
00119 #else
00120 #include <bits/byteswap.h>
00121 #endif
00122 #define letohl(x) __bswap_32(x)
00123 #define letohs(x) __bswap_16(x)
00124 #define htolel(x) __bswap_32(x)
00125 #define htoles(x) __bswap_16(x)
00126 #endif
00127 
00128 /*! Global jitterbuffer configuration - by default, jb is disabled */
00129 static struct ast_jb_conf default_jbconf =
00130 {
00131    .flags = 0,
00132    .max_size = -1,
00133    .resync_threshold = -1,
00134    .impl = ""
00135 };
00136 static struct ast_jb_conf global_jbconf;
00137 
00138 AST_THREADSTORAGE(device2str_threadbuf, device2str_threadbuf_init);
00139 #define DEVICE2STR_BUFSIZE   15
00140 
00141 AST_THREADSTORAGE(control2str_threadbuf, control2str_threadbuf_init);
00142 #define CONTROL2STR_BUFSIZE   100
00143 
00144 /*********************
00145  * Protocol Messages *
00146  *********************/
00147 /* message types */
00148 #define KEEP_ALIVE_MESSAGE 0x0000
00149 /* no additional struct */
00150 
00151 #define REGISTER_MESSAGE 0x0001
00152 struct register_message {
00153    char name[16];
00154    uint32_t userId;
00155    uint32_t instance;
00156    uint32_t ip;
00157    uint32_t type;
00158    uint32_t maxStreams;
00159 };
00160 
00161 #define IP_PORT_MESSAGE 0x0002
00162 
00163 #define KEYPAD_BUTTON_MESSAGE 0x0003
00164 struct keypad_button_message {
00165    uint32_t button;
00166    uint32_t lineInstance;
00167    uint32_t callReference;
00168 };
00169 
00170 
00171 #define ENBLOC_CALL_MESSAGE 0x0004
00172 struct enbloc_call_message {
00173        char calledParty[24];
00174 };
00175 
00176 #define STIMULUS_MESSAGE 0x0005
00177 struct stimulus_message {
00178    uint32_t stimulus;
00179    uint32_t stimulusInstance;
00180    uint32_t callreference;
00181 };
00182 
00183 #define OFFHOOK_MESSAGE 0x0006
00184 struct offhook_message {
00185    uint32_t unknown1;
00186    uint32_t unknown2;
00187 };
00188 
00189 #define ONHOOK_MESSAGE 0x0007
00190 struct onhook_message {
00191    uint32_t unknown1;
00192    uint32_t unknown2;
00193 };
00194 
00195 #define CAPABILITIES_RES_MESSAGE 0x0010
00196 struct station_capabilities {
00197    uint32_t codec;
00198    uint32_t frames;
00199    union {
00200       char res[8];
00201       uint32_t rate;
00202    } payloads;
00203 };
00204 
00205 #define SKINNY_MAX_CAPABILITIES 18
00206 
00207 struct capabilities_res_message {
00208    uint32_t count;
00209    struct station_capabilities caps[SKINNY_MAX_CAPABILITIES];
00210 };
00211 
00212 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
00213 struct speed_dial_stat_req_message {
00214    uint32_t speedDialNumber;
00215 };
00216 
00217 #define LINE_STATE_REQ_MESSAGE 0x000B
00218 struct line_state_req_message {
00219    uint32_t lineNumber;
00220 };
00221 
00222 #define TIME_DATE_REQ_MESSAGE 0x000D
00223 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
00224 #define VERSION_REQ_MESSAGE 0x000F
00225 #define SERVER_REQUEST_MESSAGE 0x0012
00226 
00227 #define ALARM_MESSAGE 0x0020
00228 struct alarm_message {
00229    uint32_t alarmSeverity;
00230    char displayMessage[80];
00231    uint32_t alarmParam1;
00232    uint32_t alarmParam2;
00233 };
00234 
00235 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
00236 struct open_receive_channel_ack_message {
00237    uint32_t status;
00238    uint32_t ipAddr;
00239    uint32_t port;
00240    uint32_t passThruId;
00241 };
00242 
00243 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
00244 
00245 #define SOFT_KEY_EVENT_MESSAGE 0x0026
00246 struct soft_key_event_message {
00247    uint32_t softKeyEvent;
00248    uint32_t instance;
00249    uint32_t callreference;
00250 };
00251 
00252 #define UNREGISTER_MESSAGE 0x0027
00253 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
00254 #define HEADSET_STATUS_MESSAGE 0x002B
00255 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
00256 
00257 #define REGISTER_ACK_MESSAGE 0x0081
00258 struct register_ack_message {
00259    uint32_t keepAlive;
00260    char dateTemplate[6];
00261    char res[2];
00262    uint32_t secondaryKeepAlive;
00263    char res2[4];
00264 };
00265 
00266 #define START_TONE_MESSAGE 0x0082
00267 struct start_tone_message {
00268    uint32_t tone;
00269    uint32_t space;
00270    uint32_t instance;
00271    uint32_t reference;
00272 };
00273 
00274 #define STOP_TONE_MESSAGE 0x0083
00275 struct stop_tone_message {
00276    uint32_t instance;
00277    uint32_t reference;
00278 };
00279 
00280 #define SET_RINGER_MESSAGE 0x0085
00281 struct set_ringer_message {
00282    uint32_t ringerMode;
00283    uint32_t unknown1; /* See notes in transmit_ringer_mode */
00284    uint32_t unknown2;
00285    uint32_t space[2];
00286 };
00287 
00288 #define SET_LAMP_MESSAGE 0x0086
00289 struct set_lamp_message {
00290    uint32_t stimulus;
00291    uint32_t stimulusInstance;
00292    uint32_t deviceStimulus;
00293 };
00294 
00295 #define SET_SPEAKER_MESSAGE 0x0088
00296 struct set_speaker_message {
00297    uint32_t mode;
00298 };
00299 
00300 /* XXX When do we need to use this? */
00301 #define SET_MICROPHONE_MESSAGE 0x0089
00302 struct set_microphone_message {
00303    uint32_t mode;
00304 };
00305 
00306 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
00307 struct media_qualifier {
00308    uint32_t precedence;
00309    uint32_t vad;
00310    uint16_t packets;
00311    uint32_t bitRate;
00312 };
00313 
00314 struct start_media_transmission_message {
00315    uint32_t conferenceId;
00316    uint32_t passThruPartyId;
00317    uint32_t remoteIp;
00318    uint32_t remotePort;
00319    uint32_t packetSize;
00320    uint32_t payloadType;
00321    struct media_qualifier qualifier;
00322    uint32_t space[16];
00323 };
00324 
00325 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
00326 struct stop_media_transmission_message {
00327    uint32_t conferenceId;
00328    uint32_t passThruPartyId;
00329    uint32_t space[3];
00330 };
00331 
00332 #define CALL_INFO_MESSAGE 0x008F
00333 struct call_info_message {
00334    char callingPartyName[40];
00335    char callingParty[24];
00336    char calledPartyName[40];
00337    char calledParty[24];
00338    uint32_t instance;
00339    uint32_t reference;
00340    uint32_t type;
00341    char originalCalledPartyName[40];
00342    char originalCalledParty[24];
00343    char lastRedirectingPartyName[40];
00344    char lastRedirectingParty[24];
00345    uint32_t originalCalledPartyRedirectReason;
00346    uint32_t lastRedirectingReason;
00347    char callingPartyVoiceMailbox[24];
00348    char calledPartyVoiceMailbox[24];
00349    char originalCalledPartyVoiceMailbox[24];
00350    char lastRedirectingVoiceMailbox[24];
00351    uint32_t space[3];
00352 };
00353 
00354 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
00355 struct speed_dial_stat_res_message {
00356    uint32_t speedDialNumber;
00357    char speedDialDirNumber[24];
00358    char speedDialDisplayName[40];
00359 };
00360 
00361 #define LINE_STAT_RES_MESSAGE 0x0092
00362 struct line_stat_res_message {
00363    uint32_t lineNumber;
00364    char lineDirNumber[24];
00365    char lineDisplayName[24];
00366    uint32_t space[15];
00367 };
00368 
00369 #define DEFINETIMEDATE_MESSAGE 0x0094
00370 struct definetimedate_message {
00371    uint32_t year; /* since 1900 */
00372    uint32_t month;
00373    uint32_t dayofweek;  /* monday = 1 */
00374    uint32_t day;
00375    uint32_t hour;
00376    uint32_t minute;
00377    uint32_t seconds;
00378    uint32_t milliseconds;
00379    uint32_t timestamp;
00380 };
00381 
00382 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
00383 struct button_definition {
00384    uint8_t instanceNumber;
00385    uint8_t buttonDefinition;
00386 };
00387 
00388 struct button_definition_template {
00389    uint8_t buttonDefinition;
00390    /* for now, anything between 0xB0 and 0xCF is custom */
00391    /*int custom;*/
00392 };
00393 
00394 #define STIMULUS_REDIAL       0x01
00395 #define STIMULUS_SPEEDDIAL    0x02
00396 #define STIMULUS_HOLD         0x03
00397 #define STIMULUS_TRANSFER     0x04
00398 #define STIMULUS_FORWARDALL      0x05
00399 #define STIMULUS_FORWARDBUSY     0x06
00400 #define STIMULUS_FORWARDNOANSWER 0x07
00401 #define STIMULUS_DISPLAY      0x08
00402 #define STIMULUS_LINE         0x09
00403 #define STIMULUS_VOICEMAIL    0x0F
00404 #define STIMULUS_AUTOANSWER      0x11
00405 #define STIMULUS_CONFERENCE      0x7D
00406 #define STIMULUS_CALLPARK     0x7E
00407 #define STIMULUS_CALLPICKUP      0x7F
00408 #define STIMULUS_NONE         0xFF
00409 
00410 /* Button types */
00411 #define BT_REDIAL       STIMULUS_REDIAL
00412 #define BT_SPEEDDIAL       STIMULUS_SPEEDDIAL
00413 #define BT_HOLD            STIMULUS_HOLD
00414 #define BT_TRANSFER        STIMULUS_TRANSFER
00415 #define BT_FORWARDALL         STIMULUS_FORWARDALL
00416 #define BT_FORWARDBUSY        STIMULUS_FORWARDBUSY
00417 #define BT_FORWARDNOANSWER    STIMULUS_FORWARDNOANSWER
00418 #define BT_DISPLAY         STIMULUS_DISPLAY
00419 #define BT_LINE            STIMULUS_LINE
00420 #define BT_VOICEMAIL       STIMULUS_VOICEMAIL
00421 #define BT_AUTOANSWER         STIMULUS_AUTOANSWER
00422 #define BT_CONFERENCE         STIMULUS_CONFERENCE
00423 #define BT_CALLPARK        STIMULUS_CALLPARK
00424 #define BT_CALLPICKUP         STIMULUS_CALLPICKUP
00425 #define BT_NONE            0x00
00426 
00427 /* Custom button types - add our own between 0xB0 and 0xCF.
00428    This may need to be revised in the future,
00429    if stimuluses are ever added in this range. */
00430 #define BT_CUST_LINESPEEDDIAL    0xB0  /* line or speeddial */
00431 #define BT_CUST_HINT       0xB1  /* pipe dream */
00432 
00433 struct button_template_res_message {
00434    uint32_t buttonOffset;
00435    uint32_t buttonCount;
00436    uint32_t totalButtonCount;
00437    struct button_definition definition[42];
00438 };
00439 
00440 #define VERSION_RES_MESSAGE 0x0098
00441 struct version_res_message {
00442    char version[16];
00443 };
00444 
00445 #define DISPLAYTEXT_MESSAGE 0x0099
00446 struct displaytext_message {
00447    char text[40];
00448 };
00449 
00450 #define CLEAR_NOTIFY_MESSAGE  0x0115
00451 #define CLEAR_DISPLAY_MESSAGE 0x009A
00452 
00453 #define CAPABILITIES_REQ_MESSAGE 0x009B
00454 
00455 #define REGISTER_REJ_MESSAGE 0x009D
00456 struct register_rej_message {
00457    char errMsg[33];
00458 };
00459 
00460 #define SERVER_RES_MESSAGE 0x009E
00461 struct server_identifier {
00462    char serverName[48];
00463 };
00464 
00465 struct server_res_message {
00466    struct server_identifier server[5];
00467    uint32_t serverListenPort[5];
00468    uint32_t serverIpAddr[5];
00469 };
00470 
00471 #define RESET_MESSAGE 0x009F
00472 struct reset_message {
00473    uint32_t resetType;
00474 };
00475 
00476 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
00477 
00478 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
00479 struct open_receive_channel_message {
00480    uint32_t conferenceId;
00481    uint32_t partyId;
00482    uint32_t packets;
00483    uint32_t capability;
00484    uint32_t echo;
00485    uint32_t bitrate;
00486    uint32_t space[16];
00487 };
00488 
00489 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
00490 struct close_receive_channel_message {
00491    uint32_t conferenceId;
00492    uint32_t partyId;
00493    uint32_t space[2];
00494 };
00495 
00496 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
00497 
00498 struct soft_key_template_definition {
00499    char softKeyLabel[16];
00500    uint32_t softKeyEvent;
00501 };
00502 
00503 #define KEYDEF_ONHOOK         0
00504 #define KEYDEF_CONNECTED      1
00505 #define KEYDEF_ONHOLD         2
00506 #define KEYDEF_RINGIN         3
00507 #define KEYDEF_OFFHOOK        4
00508 #define KEYDEF_CONNWITHTRANS     5
00509 #define KEYDEF_DADFD       6 /* Digits After Dialing First Digit */
00510 #define KEYDEF_CONNWITHCONF      7
00511 #define KEYDEF_RINGOUT        8
00512 #define KEYDEF_OFFHOOKWITHFEAT      9
00513 #define KEYDEF_UNKNOWN        10
00514 
00515 #define SOFTKEY_NONE       0x00
00516 #define SOFTKEY_REDIAL        0x01
00517 #define SOFTKEY_NEWCALL       0x02
00518 #define SOFTKEY_HOLD       0x03
00519 #define SOFTKEY_TRNSFER       0x04
00520 #define SOFTKEY_CFWDALL       0x05
00521 #define SOFTKEY_CFWDBUSY      0x06
00522 #define SOFTKEY_CFWDNOANSWER     0x07
00523 #define SOFTKEY_BKSPC         0x08
00524 #define SOFTKEY_ENDCALL       0x09
00525 #define SOFTKEY_RESUME        0x0A
00526 #define SOFTKEY_ANSWER        0x0B
00527 #define SOFTKEY_INFO       0x0C
00528 #define SOFTKEY_CONFRN        0x0D
00529 #define SOFTKEY_PARK       0x0E
00530 #define SOFTKEY_JOIN       0x0F
00531 #define SOFTKEY_MEETME        0x10
00532 #define SOFTKEY_PICKUP        0x11
00533 #define SOFTKEY_GPICKUP       0x12
00534 
00535 struct soft_key_template_definition soft_key_template_default[] = {
00536    { "Redial",    0x01 },
00537    { "NewCall",      0x02 },
00538    { "Hold",      0x03 },
00539    { "Trnsfer",      0x04 },
00540    { "CFwdAll",      0x05 },
00541    { "CFwdBusy",     0x06 },
00542    { "CFwdNoAnswer", 0x07 },
00543    { "<<",        0x08 },
00544    { "EndCall",      0x09 },
00545    { "Resume",    0x0A },
00546    { "Answer",    0x0B },
00547    { "Info",      0x0C },
00548    { "Confrn",    0x0D },
00549    { "Park",      0x0E },
00550    { "Join",      0x0F },
00551    { "MeetMe",    0x10 },
00552    { "PickUp",    0x11 },
00553    { "GPickUp",      0x12 },
00554 };
00555 
00556 struct soft_key_definitions {
00557    const uint8_t mode;
00558    const uint8_t *defaults;
00559    const int count;
00560 };
00561 
00562 static const uint8_t soft_key_default_onhook[] = {
00563    SOFTKEY_REDIAL,
00564    SOFTKEY_NEWCALL,
00565    SOFTKEY_CFWDALL,
00566    SOFTKEY_CFWDBUSY,
00567    /*SOFTKEY_GPICKUP,
00568    SOFTKEY_CONFRN,*/
00569 };
00570 
00571 static const uint8_t soft_key_default_connected[] = {
00572    SOFTKEY_HOLD,
00573    SOFTKEY_ENDCALL,
00574    SOFTKEY_TRNSFER,
00575    SOFTKEY_PARK,
00576    SOFTKEY_CFWDALL,
00577    SOFTKEY_CFWDBUSY,
00578 };
00579 
00580 static const uint8_t soft_key_default_onhold[] = {
00581    SOFTKEY_RESUME,
00582    SOFTKEY_NEWCALL,
00583    SOFTKEY_ENDCALL,
00584    SOFTKEY_TRNSFER,
00585 };
00586 
00587 static const uint8_t soft_key_default_ringin[] = {
00588    SOFTKEY_ANSWER,
00589    SOFTKEY_ENDCALL,
00590    SOFTKEY_TRNSFER,
00591 };
00592 
00593 static const uint8_t soft_key_default_offhook[] = {
00594    SOFTKEY_REDIAL,
00595    SOFTKEY_ENDCALL,
00596    SOFTKEY_CFWDALL,
00597    SOFTKEY_CFWDBUSY,
00598    /*SOFTKEY_GPICKUP,*/
00599 };
00600 
00601 static const uint8_t soft_key_default_connwithtrans[] = {
00602    SOFTKEY_HOLD,
00603    SOFTKEY_ENDCALL,
00604    SOFTKEY_TRNSFER,
00605    SOFTKEY_PARK,
00606    SOFTKEY_CFWDALL,
00607    SOFTKEY_CFWDBUSY,
00608 };
00609 
00610 static const uint8_t soft_key_default_dadfd[] = {
00611    SOFTKEY_BKSPC,
00612    SOFTKEY_ENDCALL,
00613 };
00614 
00615 static const uint8_t soft_key_default_connwithconf[] = {
00616    SOFTKEY_NONE,
00617 };
00618 
00619 static const uint8_t soft_key_default_ringout[] = {
00620    SOFTKEY_NONE,
00621    SOFTKEY_ENDCALL,
00622 };
00623 
00624 static const uint8_t soft_key_default_offhookwithfeat[] = {
00625    SOFTKEY_REDIAL,
00626    SOFTKEY_ENDCALL,
00627 };
00628 
00629 static const uint8_t soft_key_default_unknown[] = {
00630    SOFTKEY_NONE,
00631 };
00632 
00633 static const struct soft_key_definitions soft_key_default_definitions[] = {
00634    {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
00635    {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
00636    {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
00637    {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
00638    {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
00639    {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
00640    {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
00641    {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
00642    {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
00643    {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
00644    {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
00645 };
00646 
00647 struct soft_key_template_res_message {
00648    uint32_t softKeyOffset;
00649    uint32_t softKeyCount;
00650    uint32_t totalSoftKeyCount;
00651    struct soft_key_template_definition softKeyTemplateDefinition[32];
00652 };
00653 
00654 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
00655 
00656 struct soft_key_set_definition {
00657    uint8_t softKeyTemplateIndex[16];
00658    uint16_t softKeyInfoIndex[16];
00659 };
00660 
00661 struct soft_key_set_res_message {
00662    uint32_t softKeySetOffset;
00663    uint32_t softKeySetCount;
00664    uint32_t totalSoftKeySetCount;
00665    struct soft_key_set_definition softKeySetDefinition[16];
00666    uint32_t res;
00667 };
00668 
00669 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
00670 struct select_soft_keys_message {
00671    uint32_t instance;
00672    uint32_t reference;
00673    uint32_t softKeySetIndex;
00674    uint32_t validKeyMask;
00675 };
00676 
00677 #define CALL_STATE_MESSAGE 0x0111
00678 struct call_state_message {
00679    uint32_t callState;
00680    uint32_t lineInstance;
00681    uint32_t callReference;
00682    uint32_t space[3];
00683 };
00684 
00685 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
00686 struct display_prompt_status_message {
00687    uint32_t messageTimeout;
00688    char promptMessage[32];
00689    uint32_t lineInstance;
00690    uint32_t callReference;
00691 };
00692 
00693 #define CLEAR_PROMPT_MESSAGE  0x0113
00694 struct clear_prompt_message {
00695        uint32_t lineInstance;
00696        uint32_t callReference;
00697 };
00698 
00699 #define DISPLAY_NOTIFY_MESSAGE 0x0114
00700 struct display_notify_message {
00701    uint32_t displayTimeout;
00702    char displayMessage[100];
00703 };
00704 
00705 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
00706 struct activate_call_plane_message {
00707    uint32_t lineInstance;
00708 };
00709 
00710 #define DIALED_NUMBER_MESSAGE 0x011D
00711 struct dialed_number_message {
00712    char dialedNumber[24];
00713    uint32_t lineInstance;
00714    uint32_t callReference;
00715 };
00716 
00717 union skinny_data {
00718    struct alarm_message alarm;
00719    struct speed_dial_stat_req_message speeddialreq;
00720    struct register_message reg;
00721    struct register_ack_message regack;
00722    struct register_rej_message regrej;
00723    struct capabilities_res_message caps;
00724    struct version_res_message version;
00725    struct button_template_res_message buttontemplate;
00726    struct displaytext_message displaytext;
00727    struct display_prompt_status_message displaypromptstatus;
00728    struct clear_prompt_message clearpromptstatus;
00729    struct definetimedate_message definetimedate;
00730    struct start_tone_message starttone;
00731    struct stop_tone_message stoptone;
00732    struct speed_dial_stat_res_message speeddial;
00733    struct line_state_req_message line;
00734    struct line_stat_res_message linestat;
00735    struct soft_key_set_res_message softkeysets;
00736    struct soft_key_template_res_message softkeytemplate;
00737    struct server_res_message serverres;
00738    struct reset_message reset;
00739    struct set_lamp_message setlamp;
00740    struct set_ringer_message setringer;
00741    struct call_state_message callstate;
00742    struct keypad_button_message keypad;
00743    struct select_soft_keys_message selectsoftkey;
00744    struct activate_call_plane_message activatecallplane;
00745    struct stimulus_message stimulus;
00746    struct offhook_message offhook;
00747    struct onhook_message onhook;
00748    struct set_speaker_message setspeaker;
00749    struct set_microphone_message setmicrophone;
00750    struct call_info_message callinfo;
00751    struct start_media_transmission_message startmedia;
00752    struct stop_media_transmission_message stopmedia;
00753    struct open_receive_channel_message openreceivechannel;
00754    struct open_receive_channel_ack_message openreceivechannelack;
00755    struct close_receive_channel_message closereceivechannel;
00756    struct display_notify_message displaynotify;
00757    struct dialed_number_message dialednumber;
00758    struct soft_key_event_message softkeyeventmessage;
00759    struct enbloc_call_message enbloccallmessage;
00760 };
00761 
00762 /* packet composition */
00763 struct skinny_req {
00764    int len;
00765    int res;
00766    int e;
00767    union skinny_data data;
00768 };
00769 
00770 /* XXX This is the combined size of the variables above.  (len, res, e)
00771    If more are added, this MUST change.
00772    (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
00773 int skinny_header_size = 12;
00774 
00775 /*****************************
00776  * Asterisk specific globals *
00777  *****************************/
00778 
00779 static int skinnydebug = 0;
00780 
00781 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
00782 static struct sockaddr_in bindaddr;
00783 static char ourhost[256];
00784 static int ourport;
00785 static struct in_addr __ourip;
00786 struct ast_hostent ahp;
00787 struct hostent *hp;
00788 static int skinnysock = -1;
00789 static pthread_t accept_t;
00790 static char context[AST_MAX_CONTEXT] = "default";
00791 static char language[MAX_LANGUAGE] = "";
00792 static char mohinterpret[MAX_MUSICCLASS] = "default";
00793 static char mohsuggest[MAX_MUSICCLASS] = "";
00794 static char cid_num[AST_MAX_EXTENSION] = "";
00795 static char cid_name[AST_MAX_EXTENSION] = "";
00796 static char linelabel[AST_MAX_EXTENSION] ="";
00797 static int nat = 0;
00798 static ast_group_t cur_callergroup = 0;
00799 static ast_group_t cur_pickupgroup = 0;
00800 static int immediate = 0;
00801 static int callwaiting = 0;
00802 static int callreturn = 0;
00803 static int threewaycalling = 0;
00804 static int mwiblink = 0;
00805 /* This is for flashhook transfers */
00806 static int transfer = 0;
00807 static int cancallforward = 0;
00808 /* static int busycount = 3;*/
00809 static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
00810 static char mailbox[AST_MAX_EXTENSION];
00811 static int amaflags = 0;
00812 static int callnums = 1;
00813 
00814 #define SKINNY_DEVICE_UNKNOWN    -1
00815 #define SKINNY_DEVICE_NONE    0
00816 #define SKINNY_DEVICE_30SPPLUS      1
00817 #define SKINNY_DEVICE_12SPPLUS      2
00818 #define SKINNY_DEVICE_12SP    3
00819 #define SKINNY_DEVICE_12      4
00820 #define SKINNY_DEVICE_30VIP      5
00821 #define SKINNY_DEVICE_7910    6
00822 #define SKINNY_DEVICE_7960    7
00823 #define SKINNY_DEVICE_7940    8
00824 #define SKINNY_DEVICE_7935    9
00825 #define SKINNY_DEVICE_ATA186     12 /* Cisco ATA-186 */
00826 #define SKINNY_DEVICE_7941    115
00827 #define SKINNY_DEVICE_7971    119
00828 #define SKINNY_DEVICE_7914    124   /* Expansion module */
00829 #define SKINNY_DEVICE_7985    302
00830 #define SKINNY_DEVICE_7911    307
00831 #define SKINNY_DEVICE_7961GE     308
00832 #define SKINNY_DEVICE_7941GE     309
00833 #define SKINNY_DEVICE_7931    348
00834 #define SKINNY_DEVICE_7921    365
00835 #define SKINNY_DEVICE_7906    369
00836 #define SKINNY_DEVICE_7962    404   /* Not found */
00837 #define SKINNY_DEVICE_7937    431
00838 #define SKINNY_DEVICE_7942    434
00839 #define SKINNY_DEVICE_7945    435
00840 #define SKINNY_DEVICE_7965    436
00841 #define SKINNY_DEVICE_7975    437
00842 #define SKINNY_DEVICE_7905    20000
00843 #define SKINNY_DEVICE_7920    30002
00844 #define SKINNY_DEVICE_7970    30006
00845 #define SKINNY_DEVICE_7912    30007
00846 #define SKINNY_DEVICE_7902    30008
00847 #define SKINNY_DEVICE_CIPC    30016 /* Cisco IP Communicator */
00848 #define SKINNY_DEVICE_7961    30018
00849 #define SKINNY_DEVICE_7936    30019
00850 #define SKINNY_DEVICE_SCCPGATEWAY_AN   30027 /* ??? */
00851 #define SKINNY_DEVICE_SCCPGATEWAY_BRI  30028 /* ??? */
00852 
00853 #define SKINNY_SPEAKERON 1
00854 #define SKINNY_SPEAKEROFF 2
00855 
00856 #define SKINNY_MICON 1
00857 #define SKINNY_MICOFF 2
00858 
00859 #define SKINNY_OFFHOOK 1
00860 #define SKINNY_ONHOOK 2
00861 #define SKINNY_RINGOUT 3
00862 #define SKINNY_RINGIN 4
00863 #define SKINNY_CONNECTED 5
00864 #define SKINNY_BUSY 6
00865 #define SKINNY_CONGESTION 7
00866 #define SKINNY_HOLD 8
00867 #define SKINNY_CALLWAIT 9
00868 #define SKINNY_TRANSFER 10
00869 #define SKINNY_PARK 11
00870 #define SKINNY_PROGRESS 12
00871 #define SKINNY_INVALID 14
00872 
00873 #define SKINNY_SILENCE     0x00
00874 #define SKINNY_DIALTONE    0x21
00875 #define SKINNY_BUSYTONE    0x23
00876 #define SKINNY_ALERT    0x24
00877 #define SKINNY_REORDER     0x25
00878 #define SKINNY_CALLWAITTONE   0x2D
00879 #define SKINNY_NOTONE      0x7F
00880 
00881 #define SKINNY_LAMP_OFF 1
00882 #define SKINNY_LAMP_ON 2
00883 #define SKINNY_LAMP_WINK 3
00884 #define SKINNY_LAMP_FLASH 4
00885 #define SKINNY_LAMP_BLINK 5
00886 
00887 #define SKINNY_RING_OFF 1
00888 #define SKINNY_RING_INSIDE 2
00889 #define SKINNY_RING_OUTSIDE 3
00890 #define SKINNY_RING_FEATURE 4
00891 
00892 #define TYPE_TRUNK 1
00893 #define TYPE_LINE 2
00894 
00895 /* Skinny rtp stream modes. Do we really need this? */
00896 #define SKINNY_CX_SENDONLY 0
00897 #define SKINNY_CX_RECVONLY 1
00898 #define SKINNY_CX_SENDRECV 2
00899 #define SKINNY_CX_CONF     3
00900 #define SKINNY_CX_CONFERENCE  3
00901 #define SKINNY_CX_MUTE     4
00902 #define SKINNY_CX_INACTIVE 4
00903 
00904 #if 0
00905 static char *skinny_cxmodes[] = {
00906    "sendonly",
00907    "recvonly",
00908    "sendrecv",
00909    "confrnce",
00910    "inactive"
00911 };
00912 #endif
00913 
00914 /* driver scheduler */
00915 static struct sched_context *sched = NULL;
00916 static struct io_context *io;
00917 
00918 /* Protect the monitoring thread, so only one process can kill or start it, and not
00919    when it's doing something critical. */
00920 AST_MUTEX_DEFINE_STATIC(monlock);
00921 /* Protect the network socket */
00922 AST_MUTEX_DEFINE_STATIC(netlock);
00923 /* Protect the session list */
00924 AST_MUTEX_DEFINE_STATIC(sessionlock);
00925 /* Protect the device list */
00926 AST_MUTEX_DEFINE_STATIC(devicelock);
00927 #if 0
00928 /* Protect the paging device list */
00929 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
00930 #endif
00931 
00932 /* This is the thread for the monitor which checks for input on the channels
00933    which are not currently in use. */
00934 static pthread_t monitor_thread = AST_PTHREADT_NULL;
00935 
00936 /* Wait up to 16 seconds for first digit */
00937 static int firstdigittimeout = 16000;
00938 
00939 /* How long to wait for following digits */
00940 static int gendigittimeout = 8000;
00941 
00942 /* How long to wait for an extra digit, if there is an ambiguous match */
00943 static int matchdigittimeout = 3000;
00944 
00945 struct skinny_subchannel {
00946    ast_mutex_t lock;
00947    struct ast_channel *owner;
00948    struct ast_rtp *rtp;
00949    struct ast_rtp *vrtp;
00950    unsigned int callid;
00951    /* time_t lastouttime; */        /* Unused */
00952    int progress;
00953    int ringing;
00954    int onhold;
00955    /* int lastout; */            /* Unused */
00956    int cxmode;
00957    int nat;
00958    int outgoing;
00959    int alreadygone;
00960 
00961    struct skinny_subchannel *next;
00962    struct skinny_line *parent;
00963 };
00964 
00965 struct skinny_line {
00966    ast_mutex_t lock;
00967    char name[80];
00968    char label[24];               /* Label that shows next to the line buttons */
00969    char accountcode[AST_MAX_ACCOUNT_CODE];
00970    char exten[AST_MAX_EXTENSION];         /* Extension where to start */
00971    char context[AST_MAX_CONTEXT];
00972    char language[MAX_LANGUAGE];
00973    char cid_num[AST_MAX_EXTENSION];    /* Caller*ID */
00974    char cid_name[AST_MAX_EXTENSION];      /* Caller*ID */
00975    char lastcallerid[AST_MAX_EXTENSION];     /* Last Caller*ID */
00976    char call_forward[AST_MAX_EXTENSION];
00977    char mailbox[AST_MAX_EXTENSION];
00978    char mohinterpret[MAX_MUSICCLASS];
00979    char mohsuggest[MAX_MUSICCLASS];
00980    char lastnumberdialed[AST_MAX_EXTENSION]; /* Last number that was dialed - used for redial */
00981    int curtone;               /* Current tone being played */
00982    ast_group_t callgroup;
00983    ast_group_t pickupgroup;
00984    int callwaiting;
00985    int transfer;
00986    int threewaycalling;
00987    int mwiblink;
00988    int cancallforward;
00989    int callreturn;
00990    int dnd; /* How does this affect callwait?  Do we just deny a skinny_request if we're dnd? */
00991    int hascallerid;
00992    int hidecallerid;
00993    int amaflags;
00994    int type;
00995    int instance;
00996    int group;
00997    int needdestroy;
00998    int capability;
00999    int nonCodecCapability;
01000    int onhooktime;
01001    int msgstate;              /* voicemail message state */
01002    int immediate;
01003    int hookstate;
01004    int nat;
01005 
01006    struct ast_codec_pref prefs;
01007    struct skinny_subchannel *sub;
01008    struct skinny_line *next;
01009    struct skinny_device *parent;
01010 };
01011 
01012 struct skinny_speeddial {
01013    ast_mutex_t lock;
01014    char label[42];
01015    char exten[AST_MAX_EXTENSION];
01016    int instance;
01017 
01018    struct skinny_speeddial *next;
01019    struct skinny_device *parent;
01020 };
01021 
01022 struct skinny_addon {
01023    ast_mutex_t lock;
01024    char type[10];
01025 
01026    struct skinny_addon *next;
01027    struct skinny_device *parent;
01028 };
01029 
01030 static struct skinny_device {
01031    /* A device containing one or more lines */
01032    char name[80];
01033    char id[16];
01034    char version_id[16];
01035    int type;
01036    int registered;
01037    int lastlineinstance;
01038    int lastcallreference;
01039    int capability;
01040    int earlyrtp;
01041    char exten[AST_MAX_EXTENSION];
01042    struct sockaddr_in addr;
01043    struct in_addr ourip;
01044    struct skinny_line *lines;
01045    struct skinny_speeddial *speeddials;
01046    struct skinny_addon *addons;
01047    struct ast_codec_pref prefs;
01048    struct ast_ha *ha;
01049    struct skinnysession *session;
01050    struct skinny_device *next;
01051 } *devices = NULL;
01052 
01053 struct skinny_paging_device {
01054    char name[80];
01055    char id[16];
01056    struct skinny_device ** devices;
01057    struct skinny_paging_device *next;
01058 };
01059 
01060 static struct skinnysession {
01061    pthread_t t;
01062    ast_mutex_t lock;
01063    struct sockaddr_in sin;
01064    int fd;
01065    char inbuf[SKINNY_MAX_PACKET];
01066    char outbuf[SKINNY_MAX_PACKET];
01067    struct skinny_device *device;
01068    struct skinnysession *next;
01069 } *sessions = NULL;
01070 
01071 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
01072 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
01073 static int skinny_hangup(struct ast_channel *ast);
01074 static int skinny_answer(struct ast_channel *ast);
01075 static struct ast_frame *skinny_read(struct ast_channel *ast);
01076 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
01077 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
01078 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
01079 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
01080 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
01081 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s);
01082 
01083 static const struct ast_channel_tech skinny_tech = {
01084    .type = "Skinny",
01085    .description = tdesc,
01086    .capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
01087    .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
01088    .requester = skinny_request,
01089    .call = skinny_call,
01090    .hangup = skinny_hangup,
01091    .answer = skinny_answer,
01092    .read = skinny_read,
01093    .write = skinny_write,
01094    .indicate = skinny_indicate,
01095    .fixup = skinny_fixup,
01096    .send_digit_begin = skinny_senddigit_begin,
01097    .send_digit_end = skinny_senddigit_end,
01098 /* .bridge = ast_rtp_bridge, */
01099 };
01100 
01101 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
01102 {
01103    struct skinny_device *d = s->device;
01104    struct skinny_addon *a = d->addons;
01105    int i;
01106 
01107    switch (d->type) {
01108       case SKINNY_DEVICE_30SPPLUS:
01109       case SKINNY_DEVICE_30VIP:
01110          /* 13 rows, 2 columns */
01111          for (i = 0; i < 4; i++)
01112             (btn++)->buttonDefinition = BT_LINE;
01113          (btn++)->buttonDefinition = BT_REDIAL;
01114          (btn++)->buttonDefinition = BT_VOICEMAIL;
01115          (btn++)->buttonDefinition = BT_CALLPARK;
01116          (btn++)->buttonDefinition = BT_FORWARDALL;
01117          (btn++)->buttonDefinition = BT_CONFERENCE;
01118          for (i = 0; i < 4; i++)
01119             (btn++)->buttonDefinition = BT_NONE;
01120          for (i = 0; i < 13; i++)
01121             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01122          
01123          break;
01124       case SKINNY_DEVICE_12SPPLUS:
01125       case SKINNY_DEVICE_12SP:
01126       case SKINNY_DEVICE_12:
01127          /* 6 rows, 2 columns */
01128          for (i = 0; i < 2; i++)
01129             (btn++)->buttonDefinition = BT_LINE;
01130          (btn++)->buttonDefinition = BT_REDIAL;
01131          for (i = 0; i < 3; i++)
01132             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01133          (btn++)->buttonDefinition = BT_HOLD;
01134          (btn++)->buttonDefinition = BT_TRANSFER;
01135          (btn++)->buttonDefinition = BT_FORWARDALL;
01136          (btn++)->buttonDefinition = BT_CALLPARK;
01137          (btn++)->buttonDefinition = BT_VOICEMAIL;
01138          (btn++)->buttonDefinition = BT_CONFERENCE;
01139          break;
01140       case SKINNY_DEVICE_7910:
01141          (btn++)->buttonDefinition = BT_LINE;
01142          (btn++)->buttonDefinition = BT_HOLD;
01143          (btn++)->buttonDefinition = BT_TRANSFER;
01144          (btn++)->buttonDefinition = BT_DISPLAY;
01145          (btn++)->buttonDefinition = BT_VOICEMAIL;
01146          (btn++)->buttonDefinition = BT_CONFERENCE;
01147          (btn++)->buttonDefinition = BT_FORWARDALL;
01148          for (i = 0; i < 2; i++)
01149             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01150          (btn++)->buttonDefinition = BT_REDIAL;
01151          break;
01152       case SKINNY_DEVICE_7960:
01153       case SKINNY_DEVICE_7961:
01154       case SKINNY_DEVICE_7961GE:
01155       case SKINNY_DEVICE_7962:
01156       case SKINNY_DEVICE_7965:
01157          for (i = 0; i < 6; i++)
01158             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01159          break;
01160       case SKINNY_DEVICE_7940:
01161       case SKINNY_DEVICE_7941:
01162       case SKINNY_DEVICE_7941GE:
01163       case SKINNY_DEVICE_7942:
01164       case SKINNY_DEVICE_7945:
01165          for (i = 0; i < 2; i++)
01166             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01167          break;
01168       case SKINNY_DEVICE_7935:
01169       case SKINNY_DEVICE_7936:
01170          for (i = 0; i < 2; i++)
01171             (btn++)->buttonDefinition = BT_LINE;
01172          break;
01173       case SKINNY_DEVICE_ATA186:
01174          (btn++)->buttonDefinition = BT_LINE;
01175          break;
01176       case SKINNY_DEVICE_7970:
01177       case SKINNY_DEVICE_7971:
01178       case SKINNY_DEVICE_7975:
01179       case SKINNY_DEVICE_CIPC:
01180          for (i = 0; i < 8; i++)
01181             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01182          break;
01183       case SKINNY_DEVICE_7985:
01184          /* XXX I have no idea what the buttons look like on these. */
01185          ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
01186          break;
01187       case SKINNY_DEVICE_7912:
01188       case SKINNY_DEVICE_7911:
01189       case SKINNY_DEVICE_7905:
01190          (btn++)->buttonDefinition = BT_LINE;
01191          (btn++)->buttonDefinition = BT_HOLD;
01192          break;
01193       case SKINNY_DEVICE_7920:
01194          /* XXX I don't know if this is right. */
01195          for (i = 0; i < 4; i++)
01196             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01197          break;
01198       case SKINNY_DEVICE_7921:
01199          for (i = 0; i < 6; i++)
01200             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01201          break;
01202       case SKINNY_DEVICE_7902:
01203          ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
01204          break;
01205       case SKINNY_DEVICE_7906:
01206          ast_log(LOG_WARNING, "Unsupported device type '%d (7906)' found.\n", d->type);
01207          break;
01208       case SKINNY_DEVICE_7931:
01209          ast_log(LOG_WARNING, "Unsupported device type '%d (7931)' found.\n", d->type);
01210          break;
01211       case SKINNY_DEVICE_7937:
01212          ast_log(LOG_WARNING, "Unsupported device type '%d (7937)' found.\n", d->type);
01213          break;
01214       case SKINNY_DEVICE_7914:
01215          ast_log(LOG_WARNING, "Unsupported device type '%d (7914)' found.  Expansion module registered by itself?\n", d->type);
01216          break;
01217       case SKINNY_DEVICE_SCCPGATEWAY_AN:
01218       case SKINNY_DEVICE_SCCPGATEWAY_BRI:
01219          ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
01220          break;
01221       default:
01222          ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
01223          break;
01224    }
01225 
01226    for (a = d->addons; a; a = a->next) {
01227       if (!strcasecmp(a->type, "7914")) {
01228          for (i = 0; i < 14; i++)
01229             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01230       } else {
01231          ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
01232       }
01233    }
01234 
01235    return btn;
01236 }
01237 
01238 static struct skinny_req *req_alloc(size_t size, int response_message)
01239 {
01240    struct skinny_req *req;
01241 
01242    if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
01243       return NULL;
01244 
01245    req->len = htolel(size+4);
01246    req->e = htolel(response_message);
01247 
01248    return req;
01249 }
01250 
01251 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
01252 {
01253    struct skinny_line *l;
01254 
01255    if (!instance)
01256       instance = 1;
01257 
01258    for (l = d->lines; l; l = l->next) {
01259       if (l->instance == instance)
01260          break;
01261    }
01262 
01263    if (!l) {
01264       ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
01265    }
01266    return l;
01267 }
01268 
01269 static struct skinny_line *find_line_by_name(const char *dest)
01270 {
01271    struct skinny_line *l;
01272    struct skinny_device *d;
01273    char line[256];
01274    char *at;
01275    char *device;
01276 
01277    ast_copy_string(line, dest, sizeof(line));
01278    at = strchr(line, '@');
01279    if (!at) {
01280       ast_log(LOG_NOTICE, "Device '%s' has no @ (at) sign!\n", dest);
01281       return NULL;
01282    }
01283    *at++ = '\0';
01284    device = at;
01285    ast_mutex_lock(&devicelock);
01286    for (d = devices; d; d = d->next) {
01287       if (!strcasecmp(d->name, device)) {
01288          if (skinnydebug)
01289             ast_verbose("Found device: %s\n", d->name);
01290          /* Found the device */
01291          for (l = d->lines; l; l = l->next) {
01292             /* Search for the right line */
01293             if (!strcasecmp(l->name, line)) {
01294                ast_mutex_unlock(&devicelock);
01295                return l;
01296             }
01297          }
01298       }
01299    }
01300    /* Device not found */
01301    ast_mutex_unlock(&devicelock);
01302    return NULL;
01303 }
01304 
01305 /* It's quicker/easier to find the subchannel when we know the instance number too */
01306 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
01307 {
01308    struct skinny_line *l = find_line_by_instance(d, instance);
01309    struct skinny_subchannel *sub;
01310 
01311    if (!l) {
01312       return NULL;
01313    }
01314 
01315    if (!reference)
01316       sub = l->sub;
01317    else {
01318       for (sub = l->sub; sub; sub = sub->next) {
01319          if (sub->callid == reference)
01320             break;
01321       }
01322    }
01323 
01324    if (!sub) {
01325       ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
01326    }
01327    return sub;
01328 }
01329 
01330 /* Find the subchannel when we only have the callid - this shouldn't happen often */
01331 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
01332 {
01333    struct skinny_line *l;
01334    struct skinny_subchannel *sub = NULL;
01335 
01336    for (l = d->lines; l; l = l->next) {
01337       for (sub = l->sub; sub; sub = sub->next) {
01338          if (sub->callid == reference)
01339             break;
01340       }
01341       if (sub)
01342          break;
01343    }
01344 
01345    if (!l) {
01346       ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
01347    } else {
01348       if (!sub) {
01349          ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
01350       }
01351    }
01352    return sub;
01353 }
01354 
01355 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance)
01356 {
01357    struct skinny_speeddial *sd;
01358 
01359    for (sd = d->speeddials; sd; sd = sd->next) {
01360       if (sd->instance == instance)
01361          break;
01362    }
01363 
01364    if (!sd) {
01365       ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
01366    }
01367    return sd;
01368 }
01369 
01370 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
01371 {
01372    switch (skinnycodec) {
01373    case SKINNY_CODEC_ALAW:
01374       return AST_FORMAT_ALAW;
01375    case SKINNY_CODEC_ULAW:
01376       return AST_FORMAT_ULAW;
01377    case SKINNY_CODEC_G723_1:
01378       return AST_FORMAT_G723_1;
01379    case SKINNY_CODEC_G729A:
01380       return AST_FORMAT_G729A;
01381    case SKINNY_CODEC_G726_32:
01382       return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
01383    case SKINNY_CODEC_H261:
01384       return AST_FORMAT_H261;
01385    case SKINNY_CODEC_H263:
01386       return AST_FORMAT_H263;
01387    default:
01388       return 0;
01389    }
01390 }
01391 
01392 static int codec_ast2skinny(int astcodec)
01393 {
01394    switch (astcodec) {
01395    case AST_FORMAT_ALAW:
01396       return SKINNY_CODEC_ALAW;
01397    case AST_FORMAT_ULAW:
01398       return SKINNY_CODEC_ULAW;
01399    case AST_FORMAT_G723_1:
01400       return SKINNY_CODEC_G723_1;
01401    case AST_FORMAT_G729A:
01402       return SKINNY_CODEC_G729A;
01403    case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
01404       return SKINNY_CODEC_G726_32;
01405    case AST_FORMAT_H261:
01406       return SKINNY_CODEC_H261;
01407    case AST_FORMAT_H263:
01408       return SKINNY_CODEC_H263;
01409    default:
01410       return 0;
01411    }
01412 }
01413 
01414 
01415 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
01416 {
01417    struct skinny_device *d;
01418    struct sockaddr_in sin;
01419    socklen_t slen;
01420 
01421    ast_mutex_lock(&devicelock);
01422    for (d = devices; d; d = d->next) {
01423       if (!strcasecmp(req->data.reg.name, d->id)
01424             && ast_apply_ha(d->ha, &(s->sin))) {
01425          s->device = d;
01426          d->type = letohl(req->data.reg.type);
01427          if (ast_strlen_zero(d->version_id)) {
01428             ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
01429          }
01430          d->registered = 1;
01431          d->session = s;
01432 
01433          slen = sizeof(sin);
01434          if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
01435             ast_log(LOG_WARNING, "Cannot get socket name\n");
01436             sin.sin_addr = __ourip;
01437          }
01438          d->ourip = sin.sin_addr;
01439          break;
01440       }
01441    }
01442    ast_mutex_unlock(&devicelock);
01443    if (!d) {
01444       return 0;
01445    }
01446    return 1;
01447 }
01448 
01449 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
01450 {
01451    struct skinny_device *d;
01452 
01453    d = s->device;
01454 
01455    if (d) {
01456       d->session = NULL;
01457       d->registered = 0;
01458    }
01459 
01460    return -1; /* main loop will destroy the session */
01461 }
01462 
01463 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
01464 {
01465    int res = 0;
01466 
01467    if (!s) {
01468       ast_log(LOG_WARNING, "Asked to transmit to a non-existant session!\n");
01469       return -1;
01470    }
01471 
01472    ast_mutex_lock(&s->lock);
01473 
01474    if (skinnydebug)
01475       ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
01476 
01477    if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
01478       ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
01479       ast_mutex_unlock(&s->lock);
01480       return -1;
01481    }
01482 
01483    memset(s->outbuf,0,sizeof(s->outbuf));
01484    memcpy(s->outbuf, req, skinny_header_size);
01485    memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
01486 
01487    res = write(s->fd, s->outbuf, letohl(req->len)+8);
01488 
01489    if (res != letohl(req->len)+8) {
01490       ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
01491       if (res == -1) {
01492          if (skinnydebug)
01493             ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
01494          skinny_unregister(NULL, s);
01495       }
01496       
01497    }
01498    
01499    ast_mutex_unlock(&s->lock);
01500    return 1;
01501 }
01502 
01503 static void transmit_speaker_mode(struct skinnysession *s, int mode)
01504 {
01505    struct skinny_req *req;
01506 
01507    if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
01508       return;
01509 
01510    req->data.setspeaker.mode = htolel(mode);
01511    transmit_response(s, req);
01512 }
01513 /*
01514 static void transmit_microphone_mode(struct skinnysession *s, int mode)
01515 {
01516    struct skinny_req *req;
01517 
01518    if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
01519       return;
01520 
01521    req->data.setmicrophone.mode = htolel(mode);
01522    transmit_response(s, req);
01523 }
01524 */
01525 
01526 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)
01527 {
01528    struct skinny_req *req;
01529 
01530    if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
01531       return;
01532 
01533    if (skinnydebug)
01534          ast_verbose("Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
01535 
01536    if (fromname) {
01537       ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
01538    }
01539    if (fromnum) {
01540       ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
01541    }
01542    if (toname) {
01543       ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
01544    }
01545    if (tonum) {
01546       ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
01547    }
01548    req->data.callinfo.instance = htolel(instance);
01549    req->data.callinfo.reference = htolel(callid);
01550    req->data.callinfo.type = htolel(calltype);
01551    transmit_response(s, req);
01552 }
01553 
01554 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
01555 {
01556    struct skinny_req *req;
01557    struct skinny_line *l = sub->parent;
01558    struct ast_format_list fmt;
01559 
01560    if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
01561       return;
01562 
01563    fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
01564 
01565    req->data.openreceivechannel.conferenceId = htolel(sub->callid);
01566    req->data.openreceivechannel.partyId = htolel(sub->callid);
01567    req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
01568    req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
01569    req->data.openreceivechannel.echo = htolel(0);
01570    req->data.openreceivechannel.bitrate = htolel(0);
01571    transmit_response(s, req);
01572 }
01573 
01574 static void transmit_tone(struct skinnysession *s, int tone, int instance, int reference)
01575 {
01576    struct skinny_req *req;
01577 
01578    if (tone == SKINNY_NOTONE) {
01579       /* This is bad, mmm'kay? */
01580       return;
01581    }
01582 
01583    if (tone > 0) {
01584       if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
01585          return;
01586       req->data.starttone.tone = htolel(tone);
01587       req->data.starttone.instance = htolel(instance);
01588       req->data.starttone.reference = htolel(reference);
01589    } else {
01590       if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
01591          return;
01592       req->data.stoptone.instance = htolel(instance);
01593       req->data.stoptone.reference = htolel(reference);
01594    }
01595 
01596    if (tone > 0) {
01597       req->data.starttone.tone = htolel(tone);
01598    }
01599    transmit_response(s, req);
01600 }
01601 
01602 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
01603 {
01604    struct skinny_req *req;
01605 
01606    if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
01607       return;
01608 
01609    req->data.selectsoftkey.instance = htolel(instance);
01610    req->data.selectsoftkey.reference = htolel(callid);
01611    req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
01612    req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
01613    transmit_response(s, req);
01614 }
01615 
01616 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
01617 {
01618    struct skinny_req *req;
01619 
01620    if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
01621       return;
01622 
01623    req->data.setlamp.stimulus = htolel(stimulus);
01624    req->data.setlamp.stimulusInstance = htolel(instance);
01625    req->data.setlamp.deviceStimulus = htolel(indication);
01626    transmit_response(s, req);
01627 }
01628 
01629 static void transmit_ringer_mode(struct skinnysession *s, int mode)
01630 {
01631    struct skinny_req *req;
01632 
01633    if (skinnydebug)
01634       ast_verbose("Setting ringer mode to '%d'.\n", mode);
01635 
01636    if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
01637       return;
01638 
01639    req->data.setringer.ringerMode = htolel(mode);
01640    /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
01641       Note: The phone will always show as ringing on the display.
01642 
01643       1: phone will audibly ring over and over
01644       2: phone will audibly ring only once
01645       any other value, will NOT cause the phone to audibly ring
01646    */
01647    req->data.setringer.unknown1 = htolel(1);
01648    /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
01649       Perhaps a packet capture can shed some light on this. */
01650    req->data.setringer.unknown2 = htolel(1);
01651    transmit_response(s, req);
01652 }
01653 
01654 static void transmit_displaymessage(struct skinnysession *s, const char *text, int instance, int reference)
01655 {
01656    struct skinny_req *req;
01657 
01658    if (text == 0) {
01659       if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
01660          return;
01661 
01662       req->data.clearpromptstatus.lineInstance = instance;
01663       req->data.clearpromptstatus.callReference = reference;
01664 
01665       if (skinnydebug)
01666          ast_verbose("Clearing Display\n");
01667    } else {
01668       if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
01669          return;
01670 
01671       ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
01672       if (skinnydebug)
01673          ast_verbose("Displaying message '%s'\n", req->data.displaytext.text);
01674    }
01675 
01676    transmit_response(s, req);
01677 }
01678 
01679 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
01680 {
01681    struct skinny_req *req;
01682 
01683    if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
01684       return;
01685 
01686    ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
01687    req->data.displaynotify.displayTimeout = htolel(t);
01688 
01689    if (skinnydebug)
01690       ast_verbose("Displaying notify '%s'\n", text);
01691 
01692    transmit_response(s, req);
01693 }
01694 
01695 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
01696 {
01697    struct skinny_req *req;
01698 
01699    if (text == 0) {
01700       if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
01701          return;
01702 
01703       req->data.clearpromptstatus.lineInstance = htolel(instance);
01704       req->data.clearpromptstatus.callReference = htolel(callid);
01705 
01706       if (skinnydebug)
01707          ast_verbose("Clearing Prompt\n");
01708    } else {
01709       if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
01710          return;
01711 
01712       ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
01713       req->data.displaypromptstatus.messageTimeout = htolel(t);
01714       req->data.displaypromptstatus.lineInstance = htolel(instance);
01715       req->data.displaypromptstatus.callReference = htolel(callid);
01716 
01717       if (skinnydebug)
01718          ast_verbose("Displaying Prompt Status '%s'\n", text);
01719    }
01720 
01721    transmit_response(s, req);
01722 }
01723 
01724 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
01725 {
01726    struct skinny_req *req;
01727 
01728    if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
01729       return;
01730 
01731    ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
01732    req->data.dialednumber.lineInstance = htolel(instance);
01733    req->data.dialednumber.callReference = htolel(callid);
01734 
01735    transmit_response(s, req);
01736 }
01737 
01738 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
01739 {
01740    struct skinny_req *req;
01741 
01742    if (state == SKINNY_ONHOOK) {
01743       if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
01744          return;
01745 
01746       req->data.closereceivechannel.conferenceId = htolel(callid);
01747       req->data.closereceivechannel.partyId = htolel(callid);
01748       transmit_response(s, req);
01749 
01750       if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
01751          return;
01752 
01753       req->data.stopmedia.conferenceId = htolel(callid);
01754       req->data.stopmedia.passThruPartyId = htolel(callid);
01755       transmit_response(s, req);
01756 
01757       transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
01758 
01759       transmit_displaypromptstatus(s, NULL, 0, instance, callid);
01760    }
01761 
01762    if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
01763       return;
01764 
01765    req->data.callstate.callState = htolel(state);
01766    req->data.callstate.lineInstance = htolel(instance);
01767    req->data.callstate.callReference = htolel(callid);
01768    transmit_response(s, req);
01769 
01770    if (state == SKINNY_ONHOOK) {
01771       transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
01772    }
01773 
01774    if (state == SKINNY_OFFHOOK || state == SKINNY_ONHOOK) {
01775       if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
01776          return;
01777 
01778       req->data.activatecallplane.lineInstance = htolel(instance);
01779       transmit_response(s, req);
01780    }
01781 }
01782 
01783 /*
01784 static int has_voicemail(struct skinny_line *l)
01785 {
01786    return ast_app_has_voicemail(l->mailbox, NULL);
01787 }
01788 */
01789 
01790 static void do_housekeeping(struct skinnysession *s)
01791 {
01792 /*
01793    int new;
01794    int old;
01795    struct skinny_device *d = s->device;
01796    struct skinny_line *l;
01797 */
01798 
01799    /* Update time on device */
01800    handle_time_date_req_message(NULL, s);
01801 
01802 /*
01803    for (l = d->lines; l; l = l->next) {
01804       if (has_voicemail(l)) {
01805          if (skinnydebug)
01806             ast_verbose("Checking for voicemail Skinny %s@%s\n", l->name, d->name);
01807          ast_app_inboxcount(l->mailbox, &new, &old);
01808          if (skinnydebug)
01809             ast_verbose("Skinny %s@%s has voicemail!\n", l->name, d->name);
01810          transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
01811       } else {
01812          transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
01813       }
01814    }
01815 */
01816 }
01817 
01818 /* I do not believe skinny can deal with video.
01819    Anyone know differently? */
01820 /* Yes, it can.  Currently 7985 and Cisco VT Advantage do video. */
01821 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
01822 {
01823    struct skinny_subchannel *sub = NULL;
01824 
01825    if (!(sub = c->tech_pvt) || !(sub->vrtp))
01826       return AST_RTP_GET_FAILED;
01827 
01828    *rtp = sub->vrtp;
01829 
01830    return AST_RTP_TRY_NATIVE;
01831 }
01832 
01833 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
01834 {
01835    struct skinny_subchannel *sub = NULL;
01836 
01837    if (!(sub = c->tech_pvt) || !(sub->rtp))
01838       return AST_RTP_GET_FAILED;
01839 
01840    *rtp = sub->rtp;
01841 
01842    return AST_RTP_TRY_NATIVE;
01843 }
01844 
01845 static int skinny_set_rtp_peer(struct ast_channel *c, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active)
01846 {
01847    struct skinny_subchannel *sub;
01848    sub = c->tech_pvt;
01849    if (sub) {
01850       /* transmit_modify_with_sdp(sub, rtp); @@FIXME@@ if needed */
01851       return 0;
01852    }
01853    return -1;
01854 }
01855 
01856 static struct ast_rtp_protocol skinny_rtp = {
01857    .type = "Skinny",
01858    .get_rtp_info = skinny_get_rtp_peer,
01859    .get_vrtp_info = skinny_get_vrtp_peer,
01860    .set_rtp_peer = skinny_set_rtp_peer,
01861 };
01862 
01863 static int skinny_do_debug(int fd, int argc, char *argv[])
01864 {
01865    if (argc != 3) {
01866       return RESULT_SHOWUSAGE;
01867    }
01868    skinnydebug = 1;
01869    ast_cli(fd, "Skinny Debugging Enabled\n");
01870    return RESULT_SUCCESS;
01871 }
01872 
01873 static int skinny_no_debug(int fd, int argc, char *argv[])
01874 {
01875    if (argc != 4) {
01876       return RESULT_SHOWUSAGE;
01877    }
01878    skinnydebug = 0;
01879    ast_cli(fd, "Skinny Debugging Disabled\n");
01880    return RESULT_SUCCESS;
01881 }
01882 
01883 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
01884 {
01885    struct skinny_device *d;
01886 
01887    char *result = NULL;
01888    int wordlen = strlen(word);
01889    int which = 0;
01890 
01891    if (pos == 2) {
01892       for (d = devices; d && !result; d = d->next) {
01893          if (!strncasecmp(word, d->id, wordlen) && ++which > state)
01894             result = ast_strdup(d->id);
01895       }
01896    }
01897 
01898    return result;
01899 }
01900 
01901 static int skinny_reset_device(int fd, int argc, char *argv[])
01902 {
01903    struct skinny_device *d;
01904    struct skinny_req *req;
01905 
01906    if (argc < 3 || argc > 4) {
01907       return RESULT_SHOWUSAGE;
01908    }
01909    ast_mutex_lock(&devicelock);
01910 
01911    for (d = devices; d; d = d->next) {
01912       int fullrestart = 0;
01913       if (!strcasecmp(argv[2], d->id) || !strcasecmp(argv[2], "all")) {
01914          if (!(d->session))
01915             continue;
01916 
01917          if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
01918             continue;
01919 
01920          if (argc == 4 && !strcasecmp(argv[3], "restart"))
01921             fullrestart = 1;
01922 
01923          if (fullrestart)
01924             req->data.reset.resetType = 2;
01925          else
01926             req->data.reset.resetType = 1;
01927 
01928          if (option_verbose > 2)
01929             ast_verbose(VERBOSE_PREFIX_3 "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
01930          transmit_response(d->session, req);
01931       }
01932    }
01933    ast_mutex_unlock(&devicelock);
01934    return RESULT_SUCCESS;
01935 }
01936 
01937 static char *device2str(int type)
01938 {
01939    char *tmp;
01940 
01941    switch (type) {
01942    case SKINNY_DEVICE_NONE:
01943       return "No Device";
01944    case SKINNY_DEVICE_30SPPLUS:
01945       return "30SP Plus";
01946    case SKINNY_DEVICE_12SPPLUS:
01947       return "12SP Plus";
01948    case SKINNY_DEVICE_12SP:
01949       return "12SP";
01950    case SKINNY_DEVICE_12:
01951       return "12";
01952    case SKINNY_DEVICE_30VIP:
01953       return "30VIP";
01954    case SKINNY_DEVICE_7910:
01955       return "7910";
01956    case SKINNY_DEVICE_7960:
01957       return "7960";
01958    case SKINNY_DEVICE_7940:
01959       return "7940";
01960    case SKINNY_DEVICE_7935:
01961       return "7935";
01962    case SKINNY_DEVICE_ATA186:
01963       return "ATA186";
01964    case SKINNY_DEVICE_7941:
01965       return "7941";
01966    case SKINNY_DEVICE_7971:
01967       return "7971";
01968    case SKINNY_DEVICE_7914:
01969       return "7914";
01970    case SKINNY_DEVICE_7985:
01971       return "7985";
01972    case SKINNY_DEVICE_7911:
01973       return "7911";
01974    case SKINNY_DEVICE_7961GE:
01975       return "7961GE";
01976    case SKINNY_DEVICE_7941GE:
01977       return "7941GE";
01978    case SKINNY_DEVICE_7931:
01979       return "7931";
01980    case SKINNY_DEVICE_7921:
01981       return "7921";
01982    case SKINNY_DEVICE_7906:
01983       return "7906";
01984    case SKINNY_DEVICE_7962:
01985       return "7962";
01986    case SKINNY_DEVICE_7937:
01987       return "7937";
01988    case SKINNY_DEVICE_7942:
01989       return "7942";
01990    case SKINNY_DEVICE_7945:
01991       return "7945";
01992    case SKINNY_DEVICE_7965:
01993       return "7965";
01994    case SKINNY_DEVICE_7975:
01995       return "7975";
01996    case SKINNY_DEVICE_7905:
01997       return "7905";
01998    case SKINNY_DEVICE_7920:
01999       return "7920";
02000    case SKINNY_DEVICE_7970:
02001       return "7970";
02002    case SKINNY_DEVICE_7912:
02003       return "7912";
02004    case SKINNY_DEVICE_7902:
02005       return "7902";
02006    case SKINNY_DEVICE_CIPC:
02007       return "IP Communicator";
02008    case SKINNY_DEVICE_7961:
02009       return "7961";
02010    case SKINNY_DEVICE_7936:
02011       return "7936";
02012    case SKINNY_DEVICE_SCCPGATEWAY_AN:
02013       return "SCCPGATEWAY_AN";
02014    case SKINNY_DEVICE_SCCPGATEWAY_BRI:
02015       return "SCCPGATEWAY_BRI";
02016    case SKINNY_DEVICE_UNKNOWN:
02017       return "Unknown";
02018    default:
02019       if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
02020          return "Unknown";
02021       snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
02022       return tmp;
02023    }
02024 }
02025 
02026 static int skinny_show_devices(int fd, int argc, char *argv[])
02027 {
02028    struct skinny_device *d;
02029    struct skinny_line *l;
02030    int numlines = 0;
02031 
02032    if (argc != 3) {
02033       return RESULT_SHOWUSAGE;
02034    }
02035    ast_mutex_lock(&devicelock);
02036 
02037    ast_cli(fd, "Name                 DeviceId         IP              Type            R NL\n");
02038    ast_cli(fd, "-------------------- ---------------- --------------- --------------- - --\n");
02039    for (d = devices; d; d = d->next) {
02040       numlines = 0;
02041       for (l = d->lines; l; l = l->next) {
02042          numlines++;
02043       }
02044 
02045       ast_cli(fd, "%-20s %-16s %-15s %-15s %c %2d\n",
02046             d->name,
02047             d->id,
02048             d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
02049             device2str(d->type),
02050             d->registered?'Y':'N',
02051             numlines);
02052    }
02053    ast_mutex_unlock(&devicelock);
02054    return RESULT_SUCCESS;
02055 }
02056 
02057 static int skinny_show_lines(int fd, int argc, char *argv[])
02058 {
02059    struct skinny_device *d;
02060    struct skinny_line *l;
02061 
02062    if (argc != 3) {
02063       return RESULT_SHOWUSAGE;
02064    }
02065    ast_mutex_lock(&devicelock);
02066 
02067    ast_cli(fd, "Device Name          Instance Name                 Label               \n");
02068    ast_cli(fd, "-------------------- -------- -------------------- --------------------\n");
02069    for (d = devices; d; d = d->next) {
02070       for (l = d->lines; l; l = l->next) {
02071          ast_cli(fd, "%-20s %8d %-20s %-20s\n",
02072             d->name,
02073             l->instance,
02074             l->name,
02075             l->label);
02076       }
02077    }
02078 
02079    ast_mutex_unlock(&devicelock);
02080    return RESULT_SUCCESS;
02081 }
02082 
02083 static char show_devices_usage[] =
02084 "Usage: skinny show devices\n"
02085 "       Lists all devices known to the Skinny subsystem.\n";
02086 
02087 static char show_lines_usage[] =
02088 "Usage: skinny show lines\n"
02089 "       Lists all lines known to the Skinny subsystem.\n";
02090 
02091 static char debug_usage[] =
02092 "Usage: skinny set debug\n"
02093 "       Enables dumping of Skinny packets for debugging purposes\n";
02094 
02095 static char no_debug_usage[] =
02096 "Usage: skinny set debug off\n"
02097 "       Disables dumping of Skinny packets for debugging purposes\n";
02098 
02099 static char reset_usage[] =
02100 "Usage: skinny reset <DeviceId|all> [restart]\n"
02101 "       Causes a Skinny device to reset itself, optionally with a full restart\n";
02102 
02103 static struct ast_cli_entry cli_skinny[] = {
02104    { { "skinny", "show", "devices", NULL },
02105    skinny_show_devices, "List defined Skinny devices",
02106    show_devices_usage },
02107 
02108    { { "skinny", "show", "lines", NULL },
02109    skinny_show_lines, "List defined Skinny lines per device",
02110    show_lines_usage },
02111 
02112    { { "skinny", "set", "debug", NULL },
02113    skinny_do_debug, "Enable Skinny debugging",
02114    debug_usage },
02115 
02116    { { "skinny", "set", "debug", "off", NULL },
02117    skinny_no_debug, "Disable Skinny debugging",
02118    no_debug_usage },
02119 
02120    { { "skinny", "reset", NULL },
02121    skinny_reset_device, "Reset Skinny device(s)",
02122    reset_usage, complete_skinny_reset },
02123 };
02124 
02125 #if 0
02126 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
02127 {
02128    return NULL;
02129 }
02130 #endif
02131 
02132 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
02133 {
02134    struct skinny_device *d;
02135    struct skinny_line *l;
02136    struct skinny_speeddial *sd;
02137    struct skinny_addon *a;
02138    int lineInstance = 1;
02139    int speeddialInstance = 1;
02140    int y = 0;
02141 
02142    if (!(d = ast_calloc(1, sizeof(struct skinny_device)))) {
02143       return NULL;
02144    } else {
02145       ast_copy_string(d->name, cat, sizeof(d->name));
02146       d->lastlineinstance = 1;
02147       d->capability = default_capability;
02148       d->prefs = default_prefs;
02149       d->earlyrtp = 1;
02150       while(v) {
02151          if (!strcasecmp(v->name, "host")) {
02152             if (ast_get_ip(&d->addr, v->value)) {
02153                free(d);
02154                return NULL;
02155             }
02156          } else if (!strcasecmp(v->name, "port")) {
02157             d->addr.sin_port = htons(atoi(v->value));
02158          } else if (!strcasecmp(v->name, "device")) {
02159             ast_copy_string(d->id, v->value, sizeof(d->id));
02160          } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
02161             d->ha = ast_append_ha(v->name, v->value, d->ha);
02162          } else if (!strcasecmp(v->name, "context")) {
02163             ast_copy_string(context, v->value, sizeof(context));
02164          } else if (!strcasecmp(v->name, "allow")) {
02165             ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
02166          } else if (!strcasecmp(v->name, "disallow")) {
02167             ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
02168          } else if (!strcasecmp(v->name, "version")) {
02169             ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
02170          } else if (!strcasecmp(v->name, "earlyrtp")) {
02171             d->earlyrtp = ast_true(v->value);
02172          } else if (!strcasecmp(v->name, "nat")) {
02173             nat = ast_true(v->value);
02174          } else if (!strcasecmp(v->name, "callerid")) {
02175             if (!strcasecmp(v->value, "asreceived")) {
02176                cid_num[0] = '\0';
02177                cid_name[0] = '\0';
02178             } else {
02179                ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
02180             }
02181          } else if (!strcasecmp(v->name, "language")) {
02182             ast_copy_string(language, v->value, sizeof(language));
02183          } else if (!strcasecmp(v->name, "accountcode")) {
02184             ast_copy_string(accountcode, v->value, sizeof(accountcode));
02185          } else if (!strcasecmp(v->name, "amaflags")) {
02186             y = ast_cdr_amaflags2int(v->value);
02187             if (y < 0) {
02188                ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
02189             } else {
02190                amaflags = y;
02191             }
02192          } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
02193             ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
02194          } else if (!strcasecmp(v->name, "mohsuggest")) {
02195             ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
02196          } else if (!strcasecmp(v->name, "callgroup")) {
02197             cur_callergroup = ast_get_group(v->value);
02198          } else if (!strcasecmp(v->name, "pickupgroup")) {
02199             cur_pickupgroup = ast_get_group(v->value);
02200          } else if (!strcasecmp(v->name, "immediate")) {
02201             immediate = ast_true(v->value);
02202          } else if (!strcasecmp(v->name, "cancallforward")) {
02203             cancallforward = ast_true(v->value);
02204          } else if (!strcasecmp(v->name, "mailbox")) {
02205             ast_copy_string(mailbox, v->value, sizeof(mailbox));
02206          } else if (!strcasecmp(v->name, "hasvoicemail")) {
02207             if (ast_true(v->value) && ast_strlen_zero(mailbox)) {
02208                ast_copy_string(mailbox, cat, sizeof(mailbox));
02209             }
02210          } else if (!strcasecmp(v->name, "callreturn")) {
02211             callreturn = ast_true(v->value);
02212          } else if (!strcasecmp(v->name, "callwaiting")) {
02213             callwaiting = ast_true(v->value);
02214          } else if (!strcasecmp(v->name, "transfer")) {
02215             transfer = ast_true(v->value);
02216          } else if (!strcasecmp(v->name, "threewaycalling")) {
02217             threewaycalling = ast_true(v->value);
02218          } else if (!strcasecmp(v->name, "mwiblink")) {
02219             mwiblink = ast_true(v->value);
02220          } else if (!strcasecmp(v->name, "linelabel")) {
02221             ast_copy_string(linelabel, v->value, sizeof(linelabel));
02222          } else if (!strcasecmp(v->name, "speeddial")) {
02223             if (!(sd = ast_calloc(1, sizeof(struct skinny_speeddial)))) {
02224                return NULL;
02225             } else {
02226                char *stringp, *exten, *label;
02227                stringp = v->value;
02228                exten = strsep(&stringp, ",");
02229                label = strsep(&stringp, ",");
02230                ast_mutex_init(&sd->lock);
02231                ast_copy_string(sd->exten, exten, sizeof(sd->exten));
02232                if (label)
02233                   ast_copy_string(sd->label, label, sizeof(sd->label));
02234                else
02235                   ast_copy_string(sd->label, exten, sizeof(sd->label));
02236                sd->instance = speeddialInstance++;
02237 
02238                sd->parent = d;
02239 
02240                sd->next = d->speeddials;
02241                d->speeddials = sd;
02242             }
02243          } else if (!strcasecmp(v->name, "addon")) {
02244             if (!(a = ast_calloc(1, sizeof(struct skinny_addon)))) {
02245                return NULL;
02246             } else {
02247                ast_mutex_init(&a->lock);
02248                ast_copy_string(a->type, v->value, sizeof(a->type));
02249 
02250                a->next = d->addons;
02251                d->addons = a;
02252             }
02253          } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
02254             if (!(l = ast_calloc(1, sizeof(struct skinny_line)))) {
02255                return NULL;
02256             } else {
02257                ast_mutex_init(&l->lock);
02258                ast_copy_string(l->name, v->value, sizeof(l->name));
02259 
02260                /* XXX Should we check for uniqueness?? XXX */
02261                ast_copy_string(l->context, context, sizeof(l->context));
02262                ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
02263                ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
02264                ast_copy_string(l->label, linelabel, sizeof(l->label));
02265                ast_copy_string(l->language, language, sizeof(l->language));
02266                ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
02267                ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
02268                ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
02269                if (!ast_strlen_zero(mailbox)) {
02270                   if (option_verbose > 2)
02271                      ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
02272                }
02273                l->msgstate = -1;
02274                l->capability = d->capability;
02275                l->prefs = d->prefs;
02276                l->parent = d;
02277                if (!strcasecmp(v->name, "trunk")) {
02278                   l->type = TYPE_TRUNK;
02279                } else {
02280                   l->type = TYPE_LINE;
02281                }
02282                l->immediate = immediate;
02283                l->callgroup = cur_callergroup;
02284                l->pickupgroup = cur_pickupgroup;
02285                l->callreturn = callreturn;
02286                l->cancallforward = cancallforward;
02287                l->callwaiting = callwaiting;
02288                l->transfer = transfer;
02289                l->threewaycalling = threewaycalling;
02290                l->mwiblink = mwiblink;
02291                l->onhooktime = time(NULL);
02292                l->instance = lineInstance++;
02293                /* ASSUME we're onhook at this point */
02294                l->hookstate = SKINNY_ONHOOK;
02295                l->nat = nat;
02296 
02297                l->next = d->lines;
02298                d->lines = l;
02299             }
02300          } else {
02301             ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
02302          }
02303          v = v->next;
02304       }
02305 
02306       if (!d->lines) {
02307          ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
02308          return NULL;
02309       }
02310       if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
02311          d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
02312       }
02313 #if 0
02314       /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
02315       if (d->addr.sin_addr.s_addr) {
02316          /* XXX See note above, in 'host' option. */
02317          if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
02318             d->ourip = __ourip;
02319          }
02320       } else {
02321          d->ourip = __ourip;
02322       }
02323 #endif
02324    }
02325    return d;
02326 }
02327 
02328 static void start_rtp(struct skinny_subchannel *sub)
02329 {
02330    struct skinny_line *l = sub->parent;
02331    struct skinny_device *d = l->parent;
02332    int hasvideo = 0;
02333 
02334    ast_mutex_lock(&sub->lock);
02335    /* Allocate the RTP */
02336    sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
02337    if (hasvideo)
02338       sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
02339    
02340    if (sub->rtp && sub->owner) {
02341       sub->owner->fds[0] = ast_rtp_fd(sub->rtp);
02342       sub->owner->fds[1] = ast_rtcp_fd(sub->rtp);
02343    }
02344    if (hasvideo && sub->vrtp && sub->owner) {
02345       sub->owner->fds[2] = ast_rtp_fd(sub->vrtp);
02346       sub->owner->fds[3] = ast_rtcp_fd(sub->vrtp);
02347    }
02348    if (sub->rtp) {
02349       ast_rtp_setnat(sub->rtp, l->nat);
02350    }
02351    if (sub->vrtp) {
02352       ast_rtp_setnat(sub->vrtp, l->nat);
02353    }
02354    /* Set Frame packetization */
02355    if (sub->rtp)
02356       ast_rtp_codec_setpref(sub->rtp, &l->prefs);
02357 
02358    /* Create the RTP connection */
02359    transmit_connect(d->session, sub);
02360    ast_mutex_unlock(&sub->lock);
02361 }
02362 
02363 static void *skinny_newcall(void *data)
02364 {
02365    struct ast_channel *c = data;
02366    struct skinny_subchannel *sub = c->tech_pvt;
02367    struct skinny_line *l = sub->parent;
02368    struct skinny_device *d = l->parent;
02369    struct skinnysession *s = d->session;
02370    int res = 0;
02371 
02372    ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
02373    ast_set_callerid(c,
02374       l->hidecallerid ? "" : l->cid_num,
02375       l->hidecallerid ? "" : l->cid_name,
02376       c->cid.cid_ani ? NULL : l->cid_num);
02377    ast_setstate(c, AST_STATE_RING);
02378    if (!sub->rtp) {
02379       start_rtp(sub);
02380    }
02381    res = ast_pbx_run(c);
02382    if (res) {
02383       ast_log(LOG_WARNING, "PBX exited non-zero\n");
02384       transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02385    }
02386    return NULL;
02387 }
02388 
02389 static void *skinny_ss(void *data)
02390 {
02391    struct ast_channel *c = data;
02392    struct skinny_subchannel *sub = c->tech_pvt;
02393    struct skinny_line *l = sub->parent;
02394    struct skinny_device *d = l->parent;
02395    struct skinnysession *s = d->session;
02396    int len = 0;
02397    int timeout = firstdigittimeout;
02398    int res = 0;
02399    int getforward=0;
02400    int loop_pause = 100;
02401 
02402    if (option_verbose > 2)
02403       ast_verbose( VERBOSE_PREFIX_3 "Starting simple switch on '%s@%s'\n", l->name, d->name);
02404    len = strlen(d->exten);
02405 
02406    while (len < AST_MAX_EXTENSION-1) {
02407 
02408       res = 1;  /* Assume we will get a digit */
02409       while (strlen(d->exten) == len) {
02410          ast_safe_sleep(c, loop_pause);
02411          timeout -= loop_pause;
02412          if (timeout <= 0){
02413             res = 0;
02414             break;
02415          }
02416       }
02417 
02418       len = strlen(d->exten);
02419 
02420       if (!ast_ignore_pattern(c->context, d->exten)) {
02421          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02422       }
02423 
02424       if (ast_exists_extension(c, c->context, d->exten, 1, l->cid_num)) {
02425          if (!res || !ast_matchmore_extension(c, c->context, d->exten, 1, l->cid_num)) {
02426             if (getforward) {
02427                /* Record this as the forwarding extension */
02428                ast_copy_string(l->call_forward, d->exten, sizeof(l->call_forward));
02429                if (option_verbose > 2)
02430                   ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n",
02431                      l->call_forward, c->name);
02432                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
02433                if (res) {
02434                   break;
02435                }
02436                ast_safe_sleep(c, 500);
02437                ast_indicate(c, -1);
02438                ast_safe_sleep(c, 1000);
02439                memset(d->exten, 0, sizeof(d->exten));
02440                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
02441                len = 0;
02442                getforward = 0;
02443             } else {
02444                ast_copy_string(c->exten, d->exten, sizeof(c->exten));
02445                ast_copy_string(l->lastnumberdialed, d->exten, sizeof(l->lastnumberdialed));
02446                memset (d->exten, 0, sizeof(d->exten));
02447                skinny_newcall(c);
02448                return NULL;
02449             }
02450          } else {
02451             /* It's a match, but they just typed a digit, and there is an ambiguous match,
02452                so just set the timeout to matchdigittimeout and wait some more */
02453             timeout = matchdigittimeout;
02454          }
02455       } else if (res == 0) {
02456          ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
02457          memset(d->exten, 0, sizeof(d->exten));
02458          transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02459          if (sub->owner && sub->owner->_state != AST_STATE_UP) {
02460             ast_indicate(c, -1);
02461             ast_hangup(c);
02462          }
02463          return NULL;
02464       } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
02465             ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
02466          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);
02467          memset(d->exten, 0, sizeof(d->exten));
02468          transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02469          /* hang out for 3 seconds to let congestion play */
02470          ast_safe_sleep(c, 3000);
02471          break;
02472       }
02473       if (!timeout) {
02474          timeout = gendigittimeout;
02475       }
02476       if (len && !ast_ignore_pattern(c->context, d->exten)) {
02477          ast_indicate(c, -1);
02478       }
02479    }
02480    if (c)
02481       ast_hangup(c);
02482 
02483    memset(d->exten, 0, sizeof(d->exten));
02484    return NULL;
02485 }
02486 
02487 
02488 
02489 static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
02490 {
02491    int res = 0;
02492    int tone = 0;
02493    struct skinny_subchannel *sub = ast->tech_pvt;
02494    struct skinny_line *l = sub->parent;
02495    struct skinny_device *d = l->parent;
02496    struct skinnysession *s = d->session;
02497 
02498    if (!d->registered) {
02499       ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
02500       return -1;
02501    }
02502 
02503    if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
02504       ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
02505       return -1;
02506    }
02507 
02508    if (skinnydebug)
02509       ast_verbose(VERBOSE_PREFIX_3 "skinny_call(%s)\n", ast->name);
02510 
02511    if (l->dnd) {
02512       ast_queue_control(ast, AST_CONTROL_BUSY);
02513       return -1;
02514    }
02515 
02516    switch (l->hookstate) {
02517    case SKINNY_OFFHOOK:
02518       tone = SKINNY_CALLWAITTONE;
02519       break;
02520    case SKINNY_ONHOOK:
02521       tone = SKINNY_ALERT;
02522       break;
02523    default:
02524       ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
02525       break;
02526    }
02527 
02528    transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
02529    transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
02530    transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
02531    transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
02532    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
02533    transmit_ringer_mode(s, SKINNY_RING_INSIDE);
02534 
02535    ast_setstate(ast, AST_STATE_RINGING);
02536    ast_queue_control(ast, AST_CONTROL_RINGING);
02537    sub->outgoing = 1;
02538    return res;
02539 }
02540 
02541 static int skinny_hangup(struct ast_channel *ast)
02542 {
02543    struct skinny_subchannel *sub = ast->tech_pvt;
02544    struct skinny_line *l;
02545    struct skinny_device *d;
02546    struct skinnysession *s;
02547 
02548    if (!sub) {
02549       ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n");
02550       return 0;
02551    }
02552    l = sub->parent;
02553    d = l->parent;
02554    s = d->session;
02555    if (skinnydebug)
02556       ast_verbose("skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
02557 
02558    if (d->registered) {
02559       if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
02560          l->hookstate = SKINNY_ONHOOK;
02561          transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
02562          transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
02563          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
02564       } else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
02565          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02566          transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
02567          transmit_ringer_mode(s, SKINNY_RING_OFF);
02568          transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
02569          do_housekeeping(s);
02570       }
02571    }
02572    ast_mutex_lock(&sub->lock);
02573    sub->owner = NULL;
02574    ast->tech_pvt = NULL;
02575    sub->alreadygone = 0;
02576    sub->outgoing = 0;
02577    if (sub->rtp) {
02578       ast_rtp_destroy(sub->rtp);
02579       sub->rtp = NULL;
02580    }
02581    ast_mutex_unlock(&sub->lock);
02582    return 0;
02583 }
02584 
02585 static int skinny_answer(struct ast_channel *ast)
02586 {
02587    int res = 0;
02588    struct skinny_subchannel *sub = ast->tech_pvt;
02589    struct skinny_line *l = sub->parent;
02590    struct skinny_device *d = l->parent;
02591    struct skinnysession *s = d->session;
02592    char exten[AST_MAX_EXTENSION] = "";
02593 
02594    ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
02595 
02596    sub->cxmode = SKINNY_CX_SENDRECV;
02597    if (!sub->rtp) {
02598       start_rtp(sub);
02599    }
02600    if (skinnydebug)
02601       ast_verbose("skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
02602    if (ast->_state != AST_STATE_UP) {
02603       ast_setstate(ast, AST_STATE_UP);
02604    }
02605 
02606    transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02607    /* order matters here...
02608       for some reason, transmit_callinfo must be before transmit_callstate,
02609       or you won't get keypad messages in some situations. */
02610    transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2);
02611    transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
02612    transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
02613    transmit_dialednumber(s, exten, l->instance, sub->callid);
02614    transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
02615    return res;
02616 }
02617 
02618 /* Retrieve audio/etc from channel.  Assumes sub->lock is already held. */
02619 static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
02620 {
02621    struct ast_channel *ast = sub->owner;
02622    struct ast_frame *f;
02623 
02624    if (!sub->rtp) {
02625       /* We have no RTP allocated for this channel */
02626       return &ast_null_frame;
02627    }
02628 
02629    switch(ast->fdno) {
02630    case 0:
02631       f = ast_rtp_read(sub->rtp);   /* RTP Audio */
02632       break;
02633    case 1:
02634       f = ast_rtcp_read(sub->rtp);  /* RTCP Control Channel */
02635       break;
02636    case 2:
02637       f = ast_rtp_read(sub->vrtp);  /* RTP Video */
02638       break;
02639    case 3:
02640       f = ast_rtcp_read(sub->vrtp); /* RTCP Control Channel for video */
02641       break;
02642 #if 0
02643    case 5:
02644       /* Not yet supported */
02645       f = ast_udptl_read(sub->udptl);  /* UDPTL for T.38 */
02646       break;
02647 #endif
02648    default:
02649       f = &ast_null_frame;
02650    }
02651 
02652    if (ast) {
02653       /* We already hold the channel lock */
02654       if (f->frametype == AST_FRAME_VOICE) {
02655          if (f->subclass != ast->nativeformats) {
02656             ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
02657             ast->nativeformats = f->subclass;
02658             ast_set_read_format(ast, ast->readformat);
02659             ast_set_write_format(ast, ast->writeformat);
02660          }
02661       }
02662    }
02663    return f;
02664 }
02665 
02666 static struct ast_frame *skinny_read(struct ast_channel *ast)
02667 {
02668    struct ast_frame *fr;
02669    struct skinny_subchannel *sub = ast->tech_pvt;
02670    ast_mutex_lock(&sub->lock);
02671    fr = skinny_rtp_read(sub);
02672    ast_mutex_unlock(&sub->lock);
02673    return fr;
02674 }
02675 
02676 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
02677 {
02678    struct skinny_subchannel *sub = ast->tech_pvt;
02679    int res = 0;
02680    if (frame->frametype != AST_FRAME_VOICE) {
02681       if (frame->frametype == AST_FRAME_IMAGE) {
02682          return 0;
02683       } else {
02684          ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
02685          return 0;
02686       }
02687    } else {
02688       if (!(frame->subclass & ast->nativeformats)) {
02689          ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
02690             frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
02691          return -1;
02692       }
02693    }
02694    if (sub) {
02695       ast_mutex_lock(&sub->lock);
02696       if (sub->rtp) {
02697          res = ast_rtp_write(sub->rtp, frame);
02698       }
02699       ast_mutex_unlock(&sub->lock);
02700    }
02701    return res;
02702 }
02703 
02704 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
02705 {
02706    struct skinny_subchannel *sub = newchan->tech_pvt;
02707    ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
02708    if (sub->owner != oldchan) {
02709       ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
02710       return -1;
02711    }
02712    sub->owner = newchan;
02713    return 0;
02714 }
02715 
02716 static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
02717 {
02718    return -1; /* Start inband indications */
02719 }
02720 
02721 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
02722 {
02723 #if 0
02724    struct skinny_subchannel *sub = ast->tech_pvt;
02725    struct skinny_line *l = sub->parent;
02726    struct skinny_device *d = l->parent;
02727    int tmp;
02728    /* not right */
02729    sprintf(tmp, "%d", digit);
02730    transmit_tone(d->session, digit, l->instance, sub->callid);
02731 #endif
02732    return -1; /* Stop inband indications */
02733 }
02734 
02735 static char *control2str(int ind) {
02736    char *tmp;
02737 
02738    switch (ind) {
02739    case AST_CONTROL_HANGUP:
02740       return "Other end has hungup";
02741    case AST_CONTROL_RING:
02742       return "Local ring";
02743    case AST_CONTROL_RINGING:
02744       return "Remote end is ringing";
02745    case AST_CONTROL_ANSWER:
02746       return "Remote end has answered";
02747    case AST_CONTROL_BUSY:
02748       return "Remote end is busy";
02749    case AST_CONTROL_TAKEOFFHOOK:
02750       return "Make it go off hook";
02751    case AST_CONTROL_OFFHOOK:
02752       return "Line is off hook";
02753    case AST_CONTROL_CONGESTION:
02754       return "Congestion (circuits busy)";
02755    case AST_CONTROL_FLASH:
02756       return "Flash hook";
02757    case AST_CONTROL_WINK:
02758       return "Wink";
02759    case AST_CONTROL_OPTION:
02760       return "Set a low-level option";
02761    case AST_CONTROL_RADIO_KEY:
02762       return "Key Radio";
02763    case AST_CONTROL_RADIO_UNKEY:
02764       return "Un-Key Radio";
02765    case AST_CONTROL_PROGRESS:
02766       return "Remote end is making Progress";
02767    case AST_CONTROL_PROCEEDING:
02768       return "Remote end is proceeding";
02769    case AST_CONTROL_HOLD:
02770       return "Hold";
02771    case AST_CONTROL_UNHOLD:
02772       return "Unhold";
02773    case -1:
02774       return "Stop tone";
02775    default:
02776       if (!(tmp = ast_threadstorage_get(&control2str_threadbuf, CONTROL2STR_BUFSIZE)))
02777                         return "Unknown";
02778       snprintf(tmp, CONTROL2STR_BUFSIZE, "UNKNOWN-%d", ind);
02779       return tmp;
02780    }
02781 }
02782 
02783 
02784 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
02785 {
02786    struct skinny_subchannel *sub = ast->tech_pvt;
02787    struct skinny_line *l = sub->parent;
02788    struct skinny_device *d = l->parent;
02789    struct skinnysession *s = d->session;
02790    char exten[AST_MAX_EXTENSION] = "";
02791 
02792    if (!s) {
02793       ast_log(LOG_NOTICE, "Asked to indicate '%s' condition on channel %s, but session does not exist.\n", control2str(ind), ast->name);
02794       return -1;
02795    }
02796 
02797    ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
02798 
02799    if (skinnydebug)
02800       ast_verbose(VERBOSE_PREFIX_3 "Asked to indicate '%s' condition on channel %s\n", control2str(ind), ast->name);
02801    switch(ind) {
02802    case AST_CONTROL_RINGING:
02803       if (ast->_state != AST_STATE_UP) {
02804          if (!sub->progress) {
02805             if (!d->earlyrtp) {
02806                transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
02807             }
02808             transmit_callstate(s, l->instance, SKINNY_RINGOUT, sub->callid);
02809             transmit_dialednumber(s, exten, l->instance, sub->callid);
02810             transmit_displaypromptstatus(s, "Ring Out", 0, l->instance, sub->callid);
02811             transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
02812             sub->ringing = 1;
02813             if (!d->earlyrtp) {
02814                break;
02815             }
02816          }
02817       }
02818       return -1; /* Tell asterisk to provide inband signalling */
02819    case AST_CONTROL_BUSY:
02820       if (ast->_state != AST_STATE_UP) {
02821          if (!d->earlyrtp) {
02822             transmit_tone(s, SKINNY_BUSYTONE, l->instance, sub->callid);
02823          }
02824          transmit_callstate(s, l->instance, SKINNY_BUSY, sub->callid);
02825          sub->alreadygone = 1;
02826          ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
02827          if (!d->earlyrtp) {
02828             break;
02829          }
02830       }
02831       return -1; /* Tell asterisk to provide inband signalling */
02832    case AST_CONTROL_CONGESTION:
02833       if (ast->_state != AST_STATE_UP) {
02834          if (!d->earlyrtp) {
02835             transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02836          }
02837          transmit_callstate(s, l->instance, SKINNY_CONGESTION, sub->callid);
02838          sub->alreadygone = 1;
02839          ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
02840          if (!d->earlyrtp) {
02841             break;
02842          }
02843       }
02844       return -1; /* Tell asterisk to provide inband signalling */
02845    case AST_CONTROL_PROGRESS:
02846       if ((ast->_state != AST_STATE_UP) && !sub->progress && !sub->outgoing) {
02847          if (!d->earlyrtp) {
02848             transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
02849          }
02850          transmit_callstate(s, l->instance, SKINNY_PROGRESS, sub->callid);
02851          transmit_displaypromptstatus(s, "Call Progress", 0, l->instance, sub->callid);
02852          transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
02853          sub->progress = 1;
02854          if (!d->earlyrtp) {
02855             break;
02856          }
02857       }
02858       return -1; /* Tell asterisk to provide inband signalling */
02859    case -1:  /* STOP_TONE */
02860       transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02861       break;
02862    case AST_CONTROL_HOLD:
02863       ast_moh_start(ast, data, l->mohinterpret);
02864       break;
02865    case AST_CONTROL_UNHOLD:
02866       ast_moh_stop(ast);
02867       break;
02868    case AST_CONTROL_PROCEEDING:
02869       break;
02870    case AST_CONTROL_SRCUPDATE:
02871       ast_rtp_new_source(sub->rtp);
02872       break;
02873    default:
02874       ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind);
02875       return -1; /* Tell asterisk to provide inband signalling */
02876    }
02877    return 0;
02878 }
02879 
02880 static struct ast_channel *skinny_new(struct skinny_line *l, int state)
02881 {
02882    struct ast_channel *tmp;
02883    struct skinny_subchannel *sub;
02884    struct skinny_device *d = l->parent;
02885    int fmt;
02886 
02887    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);
02888    if (!tmp) {
02889       ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
02890       return NULL;
02891    } else {
02892       sub = ast_calloc(1, sizeof(struct skinny_subchannel));
02893       if (!sub) {
02894          ast_log(LOG_WARNING, "Unable to allocate Skinny subchannel\n");
02895          return NULL;
02896       } else {
02897          ast_mutex_init(&sub->lock);
02898 
02899          sub->owner = tmp;
02900          sub->callid = callnums++;
02901          d->lastlineinstance = l->instance;
02902          d->lastcallreference = sub->callid;
02903          sub->cxmode = SKINNY_CX_INACTIVE;
02904          sub->nat = l->nat;
02905          sub->parent = l;
02906          sub->onhold = 0;
02907 
02908          sub->next = l->sub;
02909          l->sub = sub;
02910       }
02911       tmp->tech = &skinny_tech;
02912       tmp->tech_pvt = sub;
02913       tmp->nativeformats = l->capability;
02914       if (!tmp->nativeformats)
02915          tmp->nativeformats = default_capability;
02916       fmt = ast_best_codec(tmp->nativeformats);
02917       if (skinnydebug)
02918          ast_verbose("skinny_new: tmp->nativeformats=%d fmt=%d\n", tmp->nativeformats, fmt);
02919       if (sub->rtp) {
02920          tmp->fds[0] = ast_rtp_fd(sub->rtp);
02921       }
02922       if (state == AST_STATE_RING) {
02923          tmp->rings = 1;
02924       }
02925       tmp->writeformat = fmt;
02926       tmp->rawwriteformat = fmt;
02927       tmp->readformat = fmt;
02928       tmp->rawreadformat = fmt;
02929       if (!ast_strlen_zero(l->language))
02930          ast_string_field_set(tmp, language, l->language);
02931       if (!ast_strlen_zero(l->accountcode))
02932          ast_string_field_set(tmp, accountcode, l->accountcode);
02933       if (l->amaflags)
02934          tmp->amaflags = l->amaflags;
02935 
02936       ast_module_ref(ast_module_info->self);
02937       tmp->callgroup = l->callgroup;
02938       tmp->pickupgroup = l->pickupgroup;
02939       ast_string_field_set(tmp, call_forward, l->call_forward);
02940       ast_copy_string(tmp->context, l->context, sizeof(tmp->context));
02941       ast_copy_string(tmp->exten, l->exten, sizeof(tmp->exten));
02942 
02943       /* Don't use ast_set_callerid() here because it will
02944        * generate a needless NewCallerID event */
02945       tmp->cid.cid_ani = ast_strdup(l->cid_num);
02946 
02947       tmp->priority = 1;
02948       tmp->adsicpe = AST_ADSI_UNAVAILABLE;
02949 
02950       if (sub->rtp)
02951          ast_jb_configure(tmp, &global_jbconf);
02952 
02953       if (state != AST_STATE_DOWN) {
02954          if (ast_pbx_start(tmp)) {
02955             ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
02956             ast_hangup(tmp);
02957             tmp = NULL;
02958          }
02959       }
02960    }
02961    return tmp;
02962 }
02963 
02964 static int skinny_hold(struct skinny_subchannel *sub)
02965 {
02966    struct skinny_line *l = sub->parent;
02967    struct skinny_device *d = l->parent;
02968    struct skinnysession *s = d->session;
02969    struct skinny_req *req;
02970 
02971    /* Don't try to hold a channel that doesn't exist */
02972    if (!sub || !sub->owner)
02973       return 0;
02974 
02975    /* Channel needs to be put on hold */
02976    if (skinnydebug)
02977       ast_verbose("Putting on Hold(%d)\n", l->instance);
02978 
02979    ast_queue_control_data(sub->owner, AST_CONTROL_HOLD,
02980       S_OR(l->mohsuggest, NULL),
02981       !ast_strlen_zero(l->mohsuggest) ? strlen(l->mohsuggest) + 1 : 0);
02982 
02983    if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
02984       return 0;
02985 
02986    req->data.activatecallplane.lineInstance = htolel(l->instance);
02987    transmit_response(s, req);
02988 
02989    if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
02990       return 0;
02991 
02992    req->data.closereceivechannel.conferenceId = htolel(sub->callid);
02993    req->data.closereceivechannel.partyId = htolel(sub->callid);
02994    transmit_response(s, req);
02995 
02996    if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
02997       return 0;
02998 
02999    req->data.stopmedia.conferenceId = htolel(sub->callid);
03000    req->data.stopmedia.passThruPartyId = htolel(sub->callid);
03001    transmit_response(s, req);
03002 
03003    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
03004    sub->onhold = 1;
03005    return 1;
03006 }
03007 
03008 static int skinny_unhold(struct skinny_subchannel *sub)
03009 {
03010    struct skinny_line *l = sub->parent;
03011    struct skinny_device *d = l->parent;
03012    struct skinnysession *s = d->session;
03013    struct skinny_req *req;
03014 
03015    /* Don't try to unhold a channel that doesn't exist */
03016    if (!sub || !sub->owner)
03017       return 0;
03018 
03019    /* Channel is on hold, so we will unhold */
03020    if (skinnydebug)
03021       ast_verbose("Taking off Hold(%d)\n", l->instance);
03022 
03023    ast_queue_control(sub->owner, AST_CONTROL_UNHOLD);
03024 
03025    if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
03026       return 0;
03027 
03028    req->data.activatecallplane.lineInstance = htolel(l->instance);
03029    transmit_response(s, req);
03030 
03031    transmit_connect(s, sub);
03032    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03033    sub->onhold = 0;
03034    return 1;
03035 }
03036 
03037 static int handle_keep_alive_message(struct skinny_req *req, struct skinnysession *s)
03038 {
03039    if (!(req = req_alloc(0, KEEP_ALIVE_ACK_MESSAGE)))
03040       return -1;
03041 
03042    transmit_response(s, req);
03043    do_housekeeping(s);
03044    return 1;
03045 }
03046 
03047 static int handle_register_message(struct skinny_req *req, struct skinnysession *s)
03048 {
03049    char name[16];
03050    int res;
03051 
03052    memcpy(&name, req->data.reg.name, sizeof(name));
03053 
03054    res = skinny_register(req, s);
03055    if (!res) {
03056       ast_log(LOG_ERROR, "Rejecting Device %s: Device not found\n", name);
03057       if (!(req = req_alloc(sizeof(struct register_rej_message), REGISTER_REJ_MESSAGE)))
03058          return -1;
03059 
03060       snprintf(req->data.regrej.errMsg, sizeof(req->data.regrej.errMsg), "No Authority: %s", name);
03061       transmit_response(s, req);
03062       return 0;
03063    }
03064    if (option_verbose > 2)
03065       ast_verbose(VERBOSE_PREFIX_3 "Device '%s' successfully registered\n", name);
03066 
03067    if (!(req = req_alloc(sizeof(struct register_ack_message), REGISTER_ACK_MESSAGE)))
03068       return -1;
03069 
03070    req->data.regack.res[0] = '0';
03071    req->data.regack.res[1] = '\0';
03072    req->data.regack.keepAlive = htolel(keep_alive);
03073    memcpy(req->data.regack.dateTemplate, date_format, sizeof(req->data.regack.dateTemplate));
03074    req->data.regack.res2[0] = '0';
03075    req->data.regack.res2[1] = '\0';
03076    req->data.regack.secondaryKeepAlive = htolel(keep_alive);
03077    transmit_response(s, req);
03078    if (skinnydebug)
03079       ast_verbose("Requesting capabilities\n");
03080 
03081    if (!(req = req_alloc(0, CAPABILITIES_REQ_MESSAGE)))
03082       return -1;
03083 
03084    transmit_response(s, req);
03085 
03086    return res;
03087 }
03088 
03089 static int handle_ip_port_message(struct skinny_req *req, struct skinnysession *s)
03090 {
03091    /* no response necessary */
03092    return 1;
03093 }
03094 
03095 static int handle_keypad_button_message(struct skinny_req *req, struct skinnysession *s)
03096 {
03097    struct skinny_subchannel *sub = NULL;
03098    struct skinny_line *l;
03099    struct skinny_device *d = s->device;
03100    struct ast_frame f = { 0, };
03101    char dgt;
03102    int digit;
03103    int lineInstance;
03104    int callReference;
03105 
03106    digit = letohl(req->data.keypad.button);
03107    lineInstance = letohl(req->data.keypad.lineInstance);
03108    callReference = letohl(req->data.keypad.callReference);
03109 
03110    if (digit == 14) {
03111       dgt = '*';
03112    } else if (digit == 15) {
03113       dgt = '#';
03114    } else if (digit >= 0 && digit <= 9) {
03115       dgt = '0' + digit;
03116    } else {
03117       /* digit=10-13 (A,B,C,D ?), or
03118        * digit is bad value
03119        *
03120        * probably should not end up here, but set
03121        * value for backward compatibility, and log
03122        * a warning.
03123        */
03124       dgt = '0' + digit;
03125       ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
03126    }
03127 
03128    f.subclass = dgt;
03129 
03130    f.src = "skinny";
03131 
03132    if (lineInstance && callReference)
03133       sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
03134    else
03135       sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03136 
03137    if (!sub)
03138       return 0;
03139 
03140    l = sub->parent;
03141    if (sub->owner) {
03142       if (sub->owner->_state == 0) {
03143          f.frametype = AST_FRAME_DTMF_BEGIN;
03144          ast_queue_frame(sub->owner, &f);
03145       }
03146       /* XXX MUST queue this frame to all lines in threeway call if threeway call is active */
03147       f.frametype = AST_FRAME_DTMF_END;
03148       ast_queue_frame(sub->owner, &f);
03149       /* XXX This seriously needs to be fixed */
03150       if (sub->next && sub->next->owner) {
03151          if (sub->owner->_state == 0) {
03152             f.frametype = AST_FRAME_DTMF_BEGIN;
03153             ast_queue_frame(sub->next->owner, &f);
03154          }
03155          f.frametype = AST_FRAME_DTMF_END;
03156          ast_queue_frame(sub->next->owner, &f);
03157       }
03158    } else {
03159       if (skinnydebug)
03160          ast_verbose("No owner: %s\n", l->name);
03161    }
03162    return 1;
03163 }
03164 
03165 static int handle_stimulus_message(struct skinny_req *req, struct skinnysession *s)
03166 {
03167    struct skinny_device *d = s->device;
03168    struct skinny_line *l;
03169    struct skinny_subchannel *sub;
03170    /*struct skinny_speeddial *sd;*/
03171    struct ast_channel *c;
03172    pthread_t t;
03173    int event;
03174    int instance;
03175    int callreference;
03176    /*int res = 0;*/
03177 
03178    event = letohl(req->data.stimulus.stimulus);
03179    instance = letohl(req->data.stimulus.stimulusInstance);
03180    callreference = letohl(req->data.stimulus.callreference); 
03181    if (skinnydebug)
03182       ast_verbose("callreference in handle_stimulus_message is '%d'\n", callreference);
03183 
03184    /*  Note that this call should be using the passed in instance and callreference */
03185    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03186 
03187    if (!sub) {
03188       l = find_line_by_instance(d, d->lastlineinstance);
03189       if (!l) {
03190          return 0;
03191       }
03192    } else {
03193       l = sub->parent;
03194    }
03195 
03196    switch(event) {
03197    case STIMULUS_REDIAL:
03198       if (skinnydebug)
03199          ast_verbose("Received Stimulus: Redial(%d/%d)\n", instance, callreference);
03200 
03201 #if 0
03202       if (ast_strlen_zero(l->lastnumberdialed)) {
03203          ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
03204          l->hookstate = SKINNY_ONHOOK;
03205          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
03206          transmit_callstate(s, l->instance, SKINNY_ONHOOK, instance);
03207          break;
03208       }
03209 
03210       c = skinny_new(l, AST_STATE_DOWN);
03211       if(!c) {
03212          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03213       } else {
03214          sub = c->tech_pvt;
03215          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03216          if (skinnydebug)
03217             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03218          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03219          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03220          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
03221 
03222          if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
03223             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03224          }
03225          ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
03226          if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
03227             ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
03228             ast_hangup(c);
03229          }
03230       }
03231 #endif
03232       break;
03233    case STIMULUS_SPEEDDIAL:
03234       if (skinnydebug)
03235          ast_verbose("Received Stimulus: SpeedDial(%d/%d)\n", instance, callreference);
03236 
03237 #if 0
03238       if (!(sd = find_speeddial_by_instance(d, instance))) {
03239          return 0;
03240       }
03241 
03242       if (ast_strlen_zero(l->lastnumberdialed)) {
03243          ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
03244          l->hookstate = SKINNY_ONHOOK;
03245          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
03246          transmit_callstate(s, l->instance, SKINNY_ONHOOK, instance);
03247          break;
03248       }
03249 
03250       c = skinny_new(l, AST_STATE_DOWN);
03251       if(c) {
03252          sub = c->tech_pvt;
03253          l = sub->parent;
03254          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03255          if (skinnydebug)
03256             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03257          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03258          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03259          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
03260 
03261          if (!ast_ignore_pattern(c->context, sd->exten)) {
03262             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03263          }
03264          if (ast_exists_extension(c, c->context, sd->exten, 1, l->cid_num)) {
03265             if (!ast_matchmore_extension(c, c->context, sd->exten, 1, l->cid_num)) {
03266                ast_copy_string(c->exten, sd->exten, sizeof(c->exten));
03267                ast_copy_string(l->lastnumberdialed, sd->exten, sizeof(l->lastnumberdialed));
03268                skinny_newcall(c);
03269                break;
03270             }
03271          }
03272       } else {
03273          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03274       }
03275 #endif
03276       break;
03277    case STIMULUS_HOLD:
03278       if (skinnydebug)
03279          ast_verbose("Received Stimulus: Hold(%d/%d)\n", instance, callreference);
03280 
03281       if (!sub)
03282          break;
03283 
03284       if (sub->onhold) {
03285          skinny_unhold(sub);
03286       } else {
03287          skinny_hold(sub);
03288       }
03289       break;
03290    case STIMULUS_TRANSFER:
03291       if (skinnydebug)
03292          ast_verbose("Received Stimulus: Transfer(%d/%d)\n", instance, callreference);
03293       /* XXX figure out how to transfer */
03294       break;
03295    case STIMULUS_CONFERENCE:
03296       if (skinnydebug)
03297          ast_verbose("Received Stimulus: Conference(%d/%d)\n", instance, callreference);
03298       /* XXX determine the best way to pull off a conference.  Meetme? */
03299       break;
03300    case STIMULUS_VOICEMAIL:
03301       if (skinnydebug)
03302          ast_verbose("Received Stimulus: Voicemail(%d/%d)\n", instance, callreference);
03303       /* XXX Find and dial voicemail extension */
03304       break;
03305    case STIMULUS_CALLPARK:
03306       if (skinnydebug)
03307          ast_verbose("Received Stimulus: Park Call(%d/%d)\n", instance, callreference);
03308       /* XXX Park the call */
03309       break;
03310    case STIMULUS_FORWARDALL:
03311       if (skinnydebug)
03312          ast_verbose("Received Stimulus: Forward All(%d/%d)\n", instance, callreference);
03313       /* Why is DND under FORWARDALL? */
03314       /* Because it's the same thing. */
03315 
03316       /* Do not disturb */
03317       if (l->dnd != 0){
03318          if (option_verbose > 2)
03319             ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
03320          l->dnd = 0;
03321          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
03322          transmit_displaynotify(s, "DnD disabled", 10);
03323       } else {
03324          if (option_verbose > 2)
03325             ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
03326          l->dnd = 1;
03327          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
03328          transmit_displaynotify(s, "DnD enabled", 10);
03329       }
03330       break;
03331    case STIMULUS_FORWARDBUSY:
03332       if (skinnydebug)
03333          ast_verbose("Received Stimulus: Forward Busy (%d/%d)\n", instance, callreference);
03334       break;
03335    case STIMULUS_FORWARDNOANSWER:
03336       if (skinnydebug)
03337          ast_verbose("Received Stimulus: Forward No Answer (%d/%d)\n", instance, callreference);
03338       break;
03339    case STIMULUS_DISPLAY:
03340       /* Not sure what this is */
03341       if (skinnydebug)
03342          ast_verbose("Received Stimulus: Display(%d/%d)\n", instance, callreference);
03343       break;
03344    case STIMULUS_LINE:
03345       if (skinnydebug)
03346          ast_verbose("Received Stimulus: Line(%d/%d)\n", instance, callreference);
03347 
03348       l = find_line_by_instance(s->device, instance);
03349 
03350       if (!l) {
03351          return 0;
03352       }
03353 
03354       /* turn the speaker on */
03355       transmit_speaker_mode(s, SKINNY_SPEAKERON);
03356       transmit_ringer_mode(s, SKINNY_RING_OFF);
03357       transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03358 
03359       l->hookstate = SKINNY_OFFHOOK;
03360 
03361       if (sub && sub->outgoing) {
03362          /* We're answering a ringing call */
03363          ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
03364          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03365          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03366          transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
03367          transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
03368          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
03369          start_rtp(sub);
03370          ast_setstate(sub->owner, AST_STATE_UP);
03371       } else {
03372          if (sub && sub->owner) {
03373             ast_log(LOG_DEBUG, "Current subchannel [%s] already has owner\n", sub->owner->name);
03374          } else {
03375             c = skinny_new(l, AST_STATE_DOWN);
03376             if(c) {
03377                sub = c->tech_pvt;
03378                transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03379                if (skinnydebug)
03380                   ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03381                transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03382                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03383                transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
03384 
03385                /* start the switch thread */
03386                if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
03387                   ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
03388                   ast_hangup(c);
03389                }
03390             } else {
03391                ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03392             }
03393          }
03394       }
03395       break;
03396    default:
03397       if (skinnydebug)
03398          ast_verbose("RECEIVED UNKNOWN STIMULUS:  %d(%d/%d)\n", event, instance, callreference);
03399       break;
03400    }
03401    return 1;
03402 }
03403 
03404 static int handle_offhook_message(struct skinny_req *req, struct skinnysession *s)
03405 {
03406    struct skinny_device *d = s->device;
03407    struct skinny_line *l;
03408    struct skinny_subchannel *sub;
03409    struct ast_channel *c;
03410    pthread_t t;
03411    int unknown1;
03412    int unknown2;
03413 
03414    unknown1 = letohl(req->data.offhook.unknown1);
03415    unknown2 = letohl(req->data.offhook.unknown2);
03416 
03417    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03418 
03419    if (!sub) {
03420       l = find_line_by_instance(d, d->lastlineinstance);
03421       if (!l) {
03422          return 0;
03423       }
03424    } else {
03425       l = sub->parent;
03426    }
03427 
03428    transmit_ringer_mode(s, SKINNY_RING_OFF);
03429    l->hookstate = SKINNY_OFFHOOK;
03430 
03431    if (sub && sub->onhold) {
03432       return 1;
03433    }
03434 
03435    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03436 
03437    if (sub && sub->outgoing) {
03438       /* We're answering a ringing call */
03439       ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
03440       transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03441       transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03442       transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
03443       transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
03444       start_rtp(sub);
03445       ast_setstate(sub->owner, AST_STATE_UP);
03446    } else {
03447       if (sub && sub->owner) {
03448          ast_log(LOG_DEBUG, "Current sub [%s] already has owner\n", sub->owner->name);
03449       } else {
03450          c = skinny_new(l, AST_STATE_DOWN);
03451          if(c) {
03452             sub = c->tech_pvt;
03453             transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03454             if (skinnydebug)
03455                ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03456             transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03457             transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03458             transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
03459 
03460             /* start the switch thread */
03461             if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
03462                ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
03463                ast_hangup(c);
03464             }
03465          } else {
03466             ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03467          }
03468       }
03469    }
03470    return 1;
03471 }
03472 
03473 static int handle_onhook_message(struct skinny_req *req, struct skinnysession *s)
03474 {
03475    struct skinny_device *d = s->device;
03476    struct skinny_line *l;
03477    struct skinny_subchannel *sub;
03478    int unknown1;
03479    int unknown2;
03480 
03481    unknown1 = letohl(req->data.onhook.unknown1);
03482    unknown2 = letohl(req->data.onhook.unknown2);
03483 
03484    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03485 
03486    if (!sub) {
03487       return 0;
03488    }
03489    l = sub->parent;
03490 
03491    if (l->hookstate == SKINNY_ONHOOK) {
03492       /* Something else already put us back on hook */
03493       return 0;
03494    }
03495    l->hookstate = SKINNY_ONHOOK;
03496 
03497    if (sub->onhold) {
03498       return 0;
03499    }
03500 
03501    sub->cxmode = SKINNY_CX_RECVONLY;
03502    transmit_callstate(s, l->instance, l->hookstate, sub->callid);
03503    if (skinnydebug)
03504       ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
03505    if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
03506       /* We're allowed to transfer, we have two active calls and
03507          we made at least one of the calls.  Let's try and transfer */
03508 
03509 #if 0
03510       if ((res = attempt_transfer(p)) < 0) {
03511          if (sub->next && sub->next->owner) {
03512             sub->next->alreadygone = 1;
03513             ast_queue_hangup(sub->next->owner,1);
03514          }
03515       } else if (res) {
03516          ast_log(LOG_WARNING, "Transfer attempt failed\n");
03517          return 0;
03518       }
03519 #endif
03520    } else {
03521       /* Hangup the current call */
03522       /* If there is another active call, skinny_hangup will ring the phone with the other call */
03523       if (sub->owner) {
03524          sub->alreadygone = 1;
03525          ast_queue_hangup(sub->owner);
03526       } else {
03527          ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
03528             l->name, d->name, sub->callid);
03529       }
03530    }
03531    if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
03532       do_housekeeping(s);
03533    }
03534    return 1;
03535 }
03536 
03537 static int handle_capabilities_res_message(struct skinny_req *req, struct skinnysession *s)
03538 {
03539    struct skinny_device *d = s->device;
03540    struct skinny_line *l;
03541    uint32_t count = 0;
03542    int codecs = 0;
03543    int i;
03544 
03545    count = letohl(req->data.caps.count);
03546    if (count > SKINNY_MAX_CAPABILITIES) {
03547       count = SKINNY_MAX_CAPABILITIES;
03548       ast_log(LOG_WARNING, "Received more capabilities than we can handle (%d).  Ignoring the rest.\n", SKINNY_MAX_CAPABILITIES);
03549    }
03550 
03551    for (i = 0; i < count; i++) {
03552       int acodec = 0;
03553       int scodec = 0;
03554       scodec = letohl(req->data.caps.caps[i].codec);
03555       acodec = codec_skinny2ast(scodec);
03556       if (skinnydebug)
03557          ast_verbose("Adding codec capability '%d (%d)'\n", acodec, scodec);
03558       codecs |= acodec;
03559    }
03560 
03561    d->capability &= codecs;
03562    ast_verbose("Device capability set to '%d'\n", d->capability);
03563    for (l = d->lines; l; l = l->next) {
03564       ast_mutex_lock(&l->lock);
03565       l->capability = d->capability;
03566       ast_mutex_unlock(&l->lock);
03567    }
03568 
03569    return 1;
03570 }
03571 
03572 static int handle_speed_dial_stat_req_message(struct skinny_req *req, struct skinnysession *s)
03573 {
03574    struct skinny_device *d = s->device;
03575    struct skinny_speeddial *sd;
03576    int instance;
03577 
03578    instance = letohl(req->data.speeddialreq.speedDialNumber);
03579 
03580    sd = find_speeddial_by_instance(d, instance);
03581 
03582    if (!sd) {
03583       return 0;
03584    }
03585 
03586    if (!(req = req_alloc(sizeof(struct speed_dial_stat_res_message), SPEED_DIAL_STAT_RES_MESSAGE)))
03587       return -1;
03588 
03589    req->data.speeddialreq.speedDialNumber = htolel(instance);
03590    ast_copy_string(req->data.speeddial.speedDialDirNumber, sd->exten, sizeof(req->data.speeddial.speedDialDirNumber));
03591    ast_copy_string(req->data.speeddial.speedDialDisplayName, sd->label, sizeof(req->data.speeddial.speedDialDisplayName));
03592 
03593    transmit_response(s, req);
03594    return 1;
03595 }
03596 
03597 static int handle_line_state_req_message(struct skinny_req *req, struct skinnysession *s)
03598 {
03599    struct skinny_device *d = s->device;
03600    struct skinny_line *l;
03601    int instance;
03602 
03603    instance = letohl(req->data.line.lineNumber);
03604 
03605    ast_mutex_lock(&devicelock);
03606 
03607    l = find_line_by_instance(d, instance);
03608 
03609    if (!l) {
03610       return 0;
03611    }
03612 
03613    ast_mutex_unlock(&devicelock);
03614 
03615    if (!(req = req_alloc(sizeof(struct line_stat_res_message), LINE_STAT_RES_MESSAGE)))
03616       return -1;
03617 
03618    req->data.linestat.lineNumber = letohl(instance);
03619    memcpy(req->data.linestat.lineDirNumber, l->name,
03620          sizeof(req->data.linestat.lineDirNumber));
03621    memcpy(req->data.linestat.lineDisplayName, l->label,
03622          sizeof(req->data.linestat.lineDisplayName));
03623    transmit_response(s,req);
03624    return 1;
03625 }
03626 
03627 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s)
03628 {
03629    time_t timer;
03630    struct tm *cmtime;
03631 
03632    if (!(req = req_alloc(sizeof(struct definetimedate_message), DEFINETIMEDATE_MESSAGE)))
03633       return -1;
03634 
03635    timer = time(NULL);
03636    cmtime = localtime(&timer);
03637    req->data.definetimedate.year = htolel(cmtime->tm_year+1900);
03638    req->data.definetimedate.month = htolel(cmtime->tm_mon+1);
03639    req->data.definetimedate.dayofweek = htolel(cmtime->tm_wday);
03640    req->data.definetimedate.day = htolel(cmtime->tm_mday);
03641    req->data.definetimedate.hour = htolel(cmtime->tm_hour);
03642    req->data.definetimedate.minute = htolel(cmtime->tm_min);
03643    req->data.definetimedate.seconds = htolel(cmtime->tm_sec);
03644    req->data.definetimedate.milliseconds = htolel(0);
03645    req->data.definetimedate.timestamp = htolel(timer);
03646    transmit_response(s, req);
03647    return 1;
03648 }
03649 
03650 static int handle_button_template_req_message(struct skinny_req *req, struct skinnysession *s)
03651 {
03652    struct skinny_device *d = s->device;
03653    struct skinny_line *l;
03654    int i;
03655 
03656    struct skinny_speeddial *sd;
03657    struct button_definition_template btn[42];
03658    int lineInstance = 1;
03659    int speeddialInstance = 1;
03660    int buttonCount = 0;
03661 
03662    if (!(req = req_alloc(sizeof(struct button_template_res_message), BUTTON_TEMPLATE_RES_MESSAGE)))
03663       return -1;
03664 
03665    memset(&btn, 0, sizeof(btn));
03666 
03667    get_button_template(s, btn);
03668 
03669    for (i=0; i<42; i++) {
03670       int btnSet = 0;
03671       switch (btn[i].buttonDefinition) {
03672          case BT_CUST_LINESPEEDDIAL:
03673             /* assume failure */
03674             req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
03675             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03676 
03677             for (l = d->lines; l; l = l->next) {
03678                if (l->instance == lineInstance) {
03679                   ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
03680                   req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
03681                   req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
03682                   lineInstance++;
03683                   buttonCount++;
03684                   btnSet = 1;
03685                   break;
03686                }
03687             }
03688 
03689             if (!btnSet) {
03690                for (sd = d->speeddials; sd; sd = sd->next) {
03691                   if (sd->instance == speeddialInstance) {
03692                      ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
03693                      req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
03694                      req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
03695                      speeddialInstance++;
03696                      buttonCount++;
03697                      btnSet = 1;
03698                      break;
03699                   }
03700                }
03701             }
03702             break;
03703          case BT_LINE:
03704             req->data.buttontemplate.definition[i].buttonDefinition = htolel(BT_NONE);
03705             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03706 
03707             for (l = d->lines; l; l = l->next) {
03708                if (l->instance == lineInstance) {
03709                   ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
03710                   req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
03711                   req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
03712                   lineInstance++;
03713                   buttonCount++;
03714                   btnSet = 1;
03715                   break;
03716                }
03717             }
03718             break;
03719          case BT_SPEEDDIAL:
03720             req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
03721             req->data.buttontemplate.definition[i].instanceNumber = 0;
03722 
03723             for (sd = d->speeddials; sd; sd = sd->next) {
03724                if (sd->instance == speeddialInstance) {
03725                   ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
03726                   req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
03727                   req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
03728                   speeddialInstance++;
03729                   buttonCount++;
03730                   btnSet = 1;
03731                   break;
03732                }
03733             }
03734             break;
03735          case BT_CUST_HINT:
03736             break;
03737          case BT_NONE:
03738             break;
03739          default:
03740             ast_verbose("Adding button: %d, %d\n", btn[i].buttonDefinition, 0);
03741             req->data.buttontemplate.definition[i].buttonDefinition = htolel(btn[i].buttonDefinition);
03742             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03743             buttonCount++;
03744             btnSet = 1;
03745             break;
03746       }
03747    }
03748 
03749    req->data.buttontemplate.buttonOffset = htolel(0);
03750    req->data.buttontemplate.buttonCount = htolel(buttonCount);
03751    req->data.buttontemplate.totalButtonCount = htolel(buttonCount);
03752 
03753    if (skinnydebug)
03754       ast_verbose("Sending %d template to %s\n",
03755                d->type,
03756                d->name);
03757    transmit_response(s, req);
03758    return 1;
03759 }
03760 
03761 static int handle_version_req_message(struct skinny_req *req, struct skinnysession *s)
03762 {
03763    struct skinny_device *d = s->device;
03764    if (!(req = req_alloc(sizeof(struct version_res_message), VERSION_RES_MESSAGE)))
03765       return -1;
03766 
03767    ast_copy_string(req->data.version.version, d->version_id, sizeof(req->data.version.version));
03768    transmit_response(s, req);
03769    return 1;
03770 }
03771 
03772 static int handle_server_request_message(struct skinny_req *req, struct skinnysession *s)
03773 {
03774    struct skinny_device *d = s->device;
03775    if (!(req = req_alloc(sizeof(struct server_res_message), SERVER_RES_MESSAGE)))
03776       return -1;
03777 
03778    memcpy(req->data.serverres.server[0].serverName, ourhost,
03779          sizeof(req->data.serverres.server[0].serverName));
03780    req->data.serverres.serverListenPort[0] = htolel(ourport);
03781    req->data.serverres.serverIpAddr[0] = htolel(d->ourip.s_addr);
03782    transmit_response(s, req);
03783    return 1;
03784 }
03785 
03786 static int handle_alarm_message(struct skinny_req *req, struct skinnysession *s)
03787 {
03788    /* no response necessary */
03789    if (skinnydebug)
03790       ast_verbose("Received Alarm Message: %s\n", req->data.alarm.displayMessage);
03791 
03792    return 1;
03793 }
03794 
03795 static int handle_open_receive_channel_ack_message(struct skinny_req *req, struct skinnysession *s)
03796 {
03797    struct skinny_device *d = s->device;
03798    struct skinny_line *l;
03799    struct skinny_subchannel *sub;
03800    struct ast_format_list fmt;
03801    struct sockaddr_in sin;
03802    struct sockaddr_in us;
03803    uint32_t addr;
03804    int port;
03805    int status;
03806    int passthruid;
03807 
03808    status = letohl(req->data.openreceivechannelack.status);
03809    if (status) {
03810       ast_log(LOG_ERROR, "Open Receive Channel Failure\n");
03811       return 0;
03812    }
03813    addr = letohl(req->data.openreceivechannelack.ipAddr);
03814    port = letohl(req->data.openreceivechannelack.port);
03815    passthruid = letohl(req->data.openreceivechannelack.passThruId);
03816 
03817    sin.sin_family = AF_INET;
03818    sin.sin_addr.s_addr = addr;
03819    sin.sin_port = htons(port);
03820 
03821    sub = find_subchannel_by_reference(d, passthruid);
03822 
03823    if (!sub)
03824       return 0;
03825 
03826    l = sub->parent;
03827 
03828    if (sub->rtp) {
03829       ast_rtp_set_peer(sub->rtp, &sin);
03830       ast_rtp_get_us(sub->rtp, &us);
03831    } else {
03832       ast_log(LOG_ERROR, "No RTP structure, this is very bad\n");
03833       return 0;
03834    }
03835 
03836    if (skinnydebug) {
03837       ast_verbose("ipaddr = %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
03838       ast_verbose("ourip = %s:%d\n", ast_inet_ntoa(d->ourip), ntohs(us.sin_port));
03839    }
03840 
03841    if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
03842       return -1;
03843 
03844    fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
03845 
03846    if (skinnydebug)
03847       ast_verbose("Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
03848 
03849    req->data.startmedia.conferenceId = htolel(sub->callid);
03850    req->data.startmedia.passThruPartyId = htolel(sub->callid);
03851    req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
03852    req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
03853    req->data.startmedia.packetSize = htolel(fmt.cur_ms);
03854    req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
03855    req->data.startmedia.qualifier.precedence = htolel(127);
03856    req->data.startmedia.qualifier.vad = htolel(0);
03857    req->data.startmedia.qualifier.packets = htolel(0);
03858    req->data.startmedia.qualifier.bitRate = htolel(0);
03859    transmit_response(s, req);
03860 
03861    return 1;
03862 }
03863 
03864 static int handle_enbloc_call_message(struct skinny_req *req, struct skinnysession *s)
03865 {
03866    struct skinny_device *d = s->device;
03867    struct skinny_line *l;
03868    struct skinny_subchannel *sub = NULL;
03869    struct ast_channel *c;
03870    pthread_t t;
03871 
03872    if (skinnydebug)
03873       ast_verbose("Received Enbloc Call: %s\n", req->data.enbloccallmessage.calledParty);
03874 
03875    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03876 
03877    if (!sub) {
03878       l = find_line_by_instance(d, d->lastlineinstance);
03879       if (!l) {
03880          return 0;
03881       }
03882    } else {
03883       l = sub->parent;
03884    }
03885 
03886    c = skinny_new(l, AST_STATE_DOWN);
03887 
03888    if(!c) {
03889       ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03890    } else {
03891       l->hookstate = SKINNY_OFFHOOK;
03892 
03893       sub = c->tech_pvt;
03894       transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03895       if (skinnydebug)
03896          ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03897       transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03898       transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03899 
03900       if (!ast_ignore_pattern(c->context, req->data.enbloccallmessage.calledParty)) {
03901          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03902       }
03903       ast_copy_string(c->exten, req->data.enbloccallmessage.calledParty, sizeof(c->exten));
03904       if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
03905          ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
03906          ast_hangup(c);
03907       }
03908    }
03909    
03910    return 1;
03911 }
03912 
03913 
03914 static int handle_soft_key_set_req_message(struct skinny_req *req, struct skinnysession *s)
03915 {
03916    int i;
03917    int x;
03918    int y;
03919    const struct soft_key_definitions *softkeymode = soft_key_default_definitions;
03920 
03921    if (!(req = req_alloc(sizeof(struct soft_key_set_res_message), SOFT_KEY_SET_RES_MESSAGE)))
03922       return -1;
03923 
03924    req->data.softkeysets.softKeySetOffset = htolel(0);
03925    req->data.softkeysets.softKeySetCount = htolel(11);
03926    req->data.softkeysets.totalSoftKeySetCount = htolel(11);
03927    for (x = 0; x < sizeof(soft_key_default_definitions) / sizeof(struct soft_key_definitions); x++) {
03928       const uint8_t *defaults = softkeymode->defaults;
03929       /* XXX I wanted to get the size of the array dynamically, but that wasn't wanting to work.
03930          This will have to do for now. */
03931       for (y = 0; y < softkeymode->count; y++) {
03932          for (i = 0; i < (sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition)); i++) {
03933             if (defaults[y] == i+1) {
03934                req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyTemplateIndex[y] = htolel(i+1);
03935                req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyInfoIndex[y] = htolel(i+301);
03936             }
03937          }
03938       }
03939       softkeymode++;
03940    }
03941    transmit_response(s,req);
03942    transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
03943    return 1;
03944 }
03945 
03946 static int handle_soft_key_event_message(struct skinny_req *req, struct skinnysession *s)
03947 {
03948    struct skinny_device *d = s->device;
03949    struct skinny_line *l;
03950    struct skinny_subchannel *sub = NULL;
03951    struct ast_channel *c;
03952    pthread_t t;
03953    int event;
03954    int instance;
03955    int callreference;
03956 
03957    event = letohl(req->data.softkeyeventmessage.softKeyEvent);
03958    instance = letohl(req->data.softkeyeventmessage.instance);
03959    callreference = letohl(req->data.softkeyeventmessage.callreference);
03960 
03961    if (instance) {
03962       l = find_line_by_instance(d, instance);
03963       if (callreference) {
03964          sub = find_subchannel_by_instance_reference(d, instance, callreference);
03965       } else {
03966          sub = find_subchannel_by_instance_reference(d, instance, d->lastcallreference);
03967       }
03968    } else {
03969       l = find_line_by_instance(d, d->lastlineinstance);
03970    }
03971 
03972    if (!l) {
03973       if (skinnydebug)
03974          ast_verbose("Received Softkey Event: %d(%d/%d)\n", event, instance, callreference);
03975       return 0;
03976    }
03977 
03978    switch(event) {
03979    case SOFTKEY_NONE:
03980       if (skinnydebug)
03981          ast_verbose("Received Softkey Event: None(%d/%d)\n", instance, callreference);
03982       break;
03983    case SOFTKEY_REDIAL:
03984       if (skinnydebug)
03985          ast_verbose("Received Softkey Event: Redial(%d/%d)\n", instance, callreference);
03986 
03987 #if 0
03988       if (!sub || !sub->owner) {
03989          c = skinny_new(l, AST_STATE_DOWN);
03990       } else {
03991          c = sub->owner;
03992       }
03993 
03994       if(!c) {
03995          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03996       } else {
03997          sub = c->tech_pvt;
03998          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03999          if (skinnydebug)
04000             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
04001          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
04002          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
04003          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
04004 
04005          if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
04006             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
04007          }
04008          ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
04009          if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
04010             ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
04011             ast_hangup(c);
04012          }
04013       }
04014 #endif
04015       break;
04016    case SOFTKEY_NEWCALL:  /* Actually the DIAL softkey */
04017       if (skinnydebug)
04018          ast_verbose("Received Softkey Event: New Call(%d/%d)\n", instance, callreference);
04019 
04020       if (!sub || !sub->owner) {
04021          c = skinny_new(l, AST_STATE_DOWN);
04022       } else {
04023          c = sub->owner;
04024       }
04025 
04026       if (!c) {
04027          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
04028       } else {
04029          sub = c->tech_pvt;
04030          if (l->hookstate == SKINNY_ONHOOK) {
04031             l->hookstate = SKINNY_OFFHOOK;
04032             transmit_speaker_mode(s, SKINNY_SPEAKERON);
04033             transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
04034          }
04035 
04036          if (skinnydebug)
04037             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
04038          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
04039          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
04040          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
04041 
04042          /* start the switch thread */
04043          if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
04044             ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
04045             ast_hangup(c);
04046          }
04047       }
04048       break;
04049    case SOFTKEY_HOLD:
04050       if (skinnydebug)
04051          ast_verbose("Received Softkey Event: Hold(%d/%d)\n", instance, callreference);
04052 
04053       if (sub) {
04054          if (sub->onhold) {
04055             skinny_unhold(sub);
04056          } else {
04057             skinny_hold(sub);
04058          }
04059       }
04060             
04061       break;
04062    case SOFTKEY_TRNSFER:
04063       if (skinnydebug)
04064          ast_verbose("Received Softkey Event: Transfer(%d/%d)\n", instance, callreference);
04065       /* XXX figure out how to transfer */
04066       break;
04067    case SOFTKEY_CFWDALL:
04068       if (skinnydebug)
04069          ast_verbose("Received Softkey Event: Forward All(%d/%d)\n", instance, callreference);
04070 
04071       /* Do not disturb */
04072       if (l->dnd != 0){
04073          if (option_verbose > 2)
04074             ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
04075          l->dnd = 0;
04076          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
04077          transmit_displaynotify(s, "DnD disabled", 10);
04078       } else {
04079          if (option_verbose > 2)
04080             ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
04081          l->dnd = 1;
04082          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
04083          transmit_displaynotify(s, "DnD enabled", 10);
04084       }
04085       break;
04086    case SOFTKEY_CFWDBUSY:
04087       if (skinnydebug)
04088          ast_verbose("Received Softkey Event: Forward Busy (%d/%d)\n", instance, callreference);
04089       break;
04090    case SOFTKEY_CFWDNOANSWER:
04091       if (skinnydebug)
04092          ast_verbose("Received Softkey Event: Forward No Answer (%d/%d)\n", instance, callreference);
04093       break;
04094    case SOFTKEY_BKSPC:
04095       if (skinnydebug)
04096          ast_verbose("Received Softkey Event: Backspace(%d/%d)\n", instance, callreference);
04097       break;
04098    case SOFTKEY_ENDCALL:
04099       if (skinnydebug)
04100          ast_verbose("Received Softkey Event: End Call(%d/%d)\n", instance, callreference);
04101 
04102       if (l->hookstate == SKINNY_ONHOOK) {
04103          /* Something else already put us back on hook */
04104          break;
04105       }
04106       if (sub) {
04107          sub->cxmode = SKINNY_CX_RECVONLY;
04108          l->hookstate = SKINNY_ONHOOK;
04109          transmit_callstate(s, l->instance, l->hookstate, sub->callid);
04110          if (skinnydebug)
04111             ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
04112          if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
04113             /* We're allowed to transfer, we have two active calls and
04114                we made at least one of the calls.  Let's try and transfer */
04115 
04116 #if 0
04117             if ((res = attempt_transfer(p)) < 0) {
04118                if (sub->next && sub->next->owner) {
04119                   sub->next->alreadygone = 1;
04120                   ast_queue_hangup(sub->next->owner, 1);
04121                }
04122             } else if (res) {
04123                ast_log(LOG_WARNING, "Transfer attempt failed\n");
04124                break;
04125             }
04126 #endif
04127          } else {
04128             /* Hangup the current call */
04129             /* If there is another active call, skinny_hangup will ring the phone with the other call */
04130             if (sub->owner) {
04131                sub->alreadygone = 1;
04132                ast_queue_hangup(sub->owner);
04133             } else {
04134                ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
04135                   l->name, d->name, sub->callid);
04136             }
04137          }
04138          if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
04139             do_housekeeping(s);
04140          }
04141       }
04142       break;
04143    case SOFTKEY_RESUME:
04144       if (skinnydebug)
04145          ast_verbose("Received Softkey Event: Resume(%d/%d)\n", instance, callreference);
04146       break;
04147    case SOFTKEY_ANSWER:
04148       if (skinnydebug)
04149          ast_verbose("Received Softkey Event: Answer(%d/%d)\n", instance, callreference);
04150 
04151       transmit_ringer_mode(s,SKINNY_RING_OFF);
04152       transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
04153 
04154       l->hookstate = SKINNY_OFFHOOK;
04155 
04156       if (sub && sub->outgoing) {
04157          /* We're answering a ringing call */
04158          ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
04159          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
04160          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
04161          transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
04162          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
04163          start_rtp(sub);
04164          ast_setstate(sub->owner, AST_STATE_UP);
04165       }
04166       break;
04167    case SOFTKEY_INFO:
04168       if (skinnydebug)
04169          ast_verbose("Received Softkey Event: Info(%d/%d)\n", instance, callreference);
04170       break;
04171    case SOFTKEY_CONFRN:
04172       if (skinnydebug)
04173          ast_verbose("Received Softkey Event: Conference(%d/%d)\n", instance, callreference);
04174       /* XXX determine the best way to pull off a conference.  Meetme? */
04175       break;
04176    case SOFTKEY_PARK:
04177       if (skinnydebug)
04178          ast_verbose("Received Softkey Event: Park Call(%d/%d)\n", instance, callreference);
04179       /* XXX Park the call */
04180       break;
04181    case SOFTKEY_JOIN:
04182       if (skinnydebug)
04183          ast_verbose("Received Softkey Event: Join(%d/%d)\n", instance, callreference);
04184       break;
04185    case SOFTKEY_MEETME:
04186       /* XXX How is this different from CONFRN? */
04187       if (skinnydebug)
04188          ast_verbose("Received Softkey Event: Meetme(%d/%d)\n", instance, callreference);
04189       break;
04190    case SOFTKEY_PICKUP:
04191       if (skinnydebug)
04192          ast_verbose("Received Softkey Event: Pickup(%d/%d)\n", instance, callreference);
04193       break;
04194    case SOFTKEY_GPICKUP:
04195       if (skinnydebug)
04196          ast_verbose("Received Softkey Event: Group Pickup(%d/%d)\n", instance, callreference);
04197       break;
04198    default:
04199       if (skinnydebug)
04200          ast_verbose("Received unknown Softkey Event: %d(%d/%d)\n", event, instance, callreference);
04201       break;
04202    }
04203    return 1;
04204 }
04205 
04206 static int handle_unregister_message(struct skinny_req *req, struct skinnysession *s)
04207 {
04208    return skinny_unregister(req, s);
04209 }
04210 
04211 static int handle_soft_key_template_req_message(struct skinny_req *req, struct skinnysession *s)
04212 {
04213    if (!(req = req_alloc(sizeof(struct soft_key_template_res_message), SOFT_KEY_TEMPLATE_RES_MESSAGE)))
04214       return -1;
04215 
04216    req->data.softkeytemplate.softKeyOffset = htolel(0);
04217    req->data.softkeytemplate.softKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
04218    req->data.softkeytemplate.totalSoftKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
04219    memcpy(req->data.softkeytemplate.softKeyTemplateDefinition,
04220       soft_key_template_default,
04221       sizeof(soft_key_template_default));
04222    transmit_response(s,req);
04223    return 1;
04224 }
04225 
04226 static int handle_headset_status_message(struct skinny_req *req, struct skinnysession *s)
04227 {
04228    /* XXX umm...okay?  Why do I care? */
04229    return 1;
04230 }
04231 
04232 static int handle_register_available_lines_message(struct skinny_req *req, struct skinnysession *s)
04233 {
04234    /* XXX I have no clue what this is for, but my phone was sending it, so... */
04235    return 1;
04236 }
04237 
04238 static int handle_message(struct skinny_req *req, struct skinnysession *s)
04239 {
04240    int res = 0;
04241    struct skinny_device *d = s->device;
04242    struct skinny_subchannel *sub;
04243    int lineInstance;
04244    int callReference;
04245 
04246    if ((!s->device) && (letohl(req->e) != REGISTER_MESSAGE && letohl(req->e) != ALARM_MESSAGE)) {
04247       ast_log(LOG_WARNING, "Client sent message #%d without first registering.\n", req->e);
04248       free(req);
04249       return 0;
04250    }
04251 
04252    switch(letohl(req->e))  {
04253    case KEEP_ALIVE_MESSAGE:
04254       res = handle_keep_alive_message(req, s);
04255       break;
04256    case REGISTER_MESSAGE:
04257       if (skinnydebug)
04258          ast_verbose("Device %s is attempting to register\n", req->data.reg.name);
04259 
04260       res = handle_register_message(req, s);
04261       break;
04262    case IP_PORT_MESSAGE:
04263       res = handle_ip_port_message(req, s);
04264       break;
04265    case KEYPAD_BUTTON_MESSAGE:
04266       if (skinnydebug)
04267          ast_verbose("Collected digit: [%d]\n", letohl(req->data.keypad.button));
04268 
04269       lineInstance = letohl(req->data.keypad.lineInstance);
04270       callReference = letohl(req->data.keypad.callReference);
04271 
04272       sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
04273 
04274       if (sub && (sub->owner && sub->owner->_state <  AST_STATE_UP)) {
04275          char dgt;
04276          int digit = letohl(req->data.keypad.button);
04277          size_t len;
04278 
04279          if (digit == 14) {
04280             dgt = '*';
04281          } else if (digit == 15) {
04282             dgt = '#';
04283          } else if (digit >= 0 && digit <= 9) {
04284             dgt = '0' + digit;
04285          } else {
04286             /* digit=10-13 (A,B,C,D ?), or
04287             * digit is bad value
04288             *
04289             * probably should not end up here, but set
04290             * value for backward compatibility, and log
04291             * a warning.
04292             */
04293             dgt = '0' + digit;
04294             ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
04295          }
04296 
04297          len = strlen(d->exten);
04298          if (len < sizeof(d->exten) - 1) {
04299             d->exten[len] = dgt;
04300             d->exten[len+1] = '\0';
04301          } else {
04302             ast_log(LOG_WARNING, "Dropping digit with value %d because digit queue is full\n", dgt);
04303          }
04304       } else
04305          res = handle_keypad_button_message(req, s);
04306       break;
04307    case ENBLOC_CALL_MESSAGE:
04308       res = handle_enbloc_call_message(req, s);
04309       break;
04310    case STIMULUS_MESSAGE:
04311       res = handle_stimulus_message(req, s);
04312       break;
04313    case OFFHOOK_MESSAGE:
04314       res = handle_offhook_message(req, s);
04315       break;
04316    case ONHOOK_MESSAGE:
04317       res = handle_onhook_message(req, s);
04318       break;
04319    case CAPABILITIES_RES_MESSAGE:
04320       if (skinnydebug)
04321          ast_verbose("Received CapabilitiesRes\n");
04322 
04323       res = handle_capabilities_res_message(req, s);
04324       break;
04325    case SPEED_DIAL_STAT_REQ_MESSAGE:
04326       if (skinnydebug)
04327          ast_verbose("Received SpeedDialStatRequest\n");
04328 
04329       res = handle_speed_dial_stat_req_message(req, s);
04330       break;
04331    case LINE_STATE_REQ_MESSAGE:
04332       if (skinnydebug)
04333          ast_verbose("Received LineStatRequest\n");
04334       res = handle_line_state_req_message(req, s);
04335       break;
04336    case TIME_DATE_REQ_MESSAGE:
04337       if (skinnydebug)
04338          ast_verbose("Received Time/Date Request\n");
04339 
04340       res = handle_time_date_req_message(req, s);
04341       break;
04342    case BUTTON_TEMPLATE_REQ_MESSAGE:
04343       if (skinnydebug)
04344          ast_verbose("Buttontemplate requested\n");
04345 
04346       res = handle_button_template_req_message(req, s);
04347       break;
04348    case VERSION_REQ_MESSAGE:
04349       if (skinnydebug)
04350          ast_verbose("Version Request\n");
04351 
04352       res = handle_version_req_message(req, s);
04353       break;
04354    case SERVER_REQUEST_MESSAGE:
04355       if (skinnydebug)
04356          ast_verbose("Received Server Request\n");
04357 
04358       res = handle_server_request_message(req, s);
04359       break;
04360    case ALARM_MESSAGE:
04361       res = handle_alarm_message(req, s);
04362       break;
04363    case OPEN_RECEIVE_CHANNEL_ACK_MESSAGE:
04364       if (skinnydebug)
04365          ast_verbose("Received Open Receive Channel Ack\n");
04366 
04367       res = handle_open_receive_channel_ack_message(req, s);
04368       break;
04369    case SOFT_KEY_SET_REQ_MESSAGE:
04370       if (skinnydebug)
04371          ast_verbose("Received SoftKeySetReq\n");
04372 
04373       res = handle_soft_key_set_req_message(req, s);
04374       break;
04375    case SOFT_KEY_EVENT_MESSAGE:
04376       res = handle_soft_key_event_message(req, s);
04377       break;
04378    case UNREGISTER_MESSAGE:
04379       if (skinnydebug)
04380          ast_verbose("Received Unregister Request\n");
04381 
04382       res = handle_unregister_message(req, s);
04383       break;
04384    case SOFT_KEY_TEMPLATE_REQ_MESSAGE:
04385       if (skinnydebug)
04386          ast_verbose("Received SoftKey Template Request\n");
04387 
04388       res = handle_soft_key_template_req_message(req, s);
04389       break;
04390    case HEADSET_STATUS_MESSAGE:
04391       res = handle_headset_status_message(req, s);
04392       break;
04393    case REGISTER_AVAILABLE_LINES_MESSAGE:
04394       res = handle_register_available_lines_message(req, s);
04395       break;
04396    default:
04397       if (skinnydebug)
04398          ast_verbose("RECEIVED UNKNOWN MESSAGE TYPE:  %x\n", letohl(req->e));
04399       break;
04400    }
04401    if (res >= 0 && req)
04402       free(req);
04403    return res;
04404 }
04405 
04406 static void destroy_session(struct skinnysession *s)
04407 {
04408    struct skinnysession *cur, *prev = NULL;
04409    ast_mutex_lock(&sessionlock);
04410    cur = sessions;
04411    while(cur) {
04412       if (cur == s) {
04413          break;
04414       }
04415       prev = cur;
04416       cur = cur->next;
04417    }
04418    if (cur) {
04419       if (prev) {
04420          prev->next = cur->next;
04421       } else {
04422          sessions = cur->next;
04423       }
04424       if (s->fd > -1) {
04425          close(s->fd);
04426       }
04427       ast_mutex_destroy(&s->lock);
04428       free(s);
04429    } else {
04430       ast_log(LOG_WARNING, "Trying to delete nonexistent session %p?\n", s);
04431    }
04432    ast_mutex_unlock(&sessionlock);
04433 }
04434 
04435 static int get_input(struct skinnysession *s)
04436 {
04437    int res;
04438    int dlen = 0;
04439    int *bufaddr;
04440    struct pollfd fds[1];
04441 
04442    fds[0].fd = s->fd;
04443    fds[0].events = POLLIN;
04444    fds[0].revents = 0;
04445    res = ast_poll(fds, 1, (keep_alive * 1100)); /* If nothing has happen, client is dead */
04446                    /* we add 10% to the keep_alive to deal */
04447                    /* with network delays, etc */
04448    if (res < 0) {
04449       if (errno != EINTR) {
04450          ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
04451          return res;
04452       }
04453    } else if (res == 0) {
04454       if (skinnydebug)
04455          ast_verbose("Skinny Client was lost, unregistering\n");
04456       skinny_unregister(NULL, s);
04457       return -1;
04458    }
04459            
04460    if (fds[0].revents) {
04461       ast_mutex_lock(&s->lock);
04462       memset(s->inbuf,0,sizeof(s->inbuf));
04463       res = read(s->fd, s->inbuf, 4);
04464       if (res < 0) {
04465          ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
04466 
04467          if (skinnydebug)
04468             ast_verbose("Skinny Client was lost, unregistering\n");
04469          
04470          skinny_unregister(NULL,s);
04471          ast_mutex_unlock(&s->lock);
04472          return res;
04473       } else if (res != 4) {
04474          ast_log(LOG_WARNING, "Skinny Client sent less data than expected.  Expected 4 but got %d.\n", res);
04475          ast_mutex_unlock(&s->lock);
04476          
04477          if (res == 0) {
04478             if (skinnydebug)
04479                ast_verbose("Skinny Client was lost, unregistering\n");
04480             skinny_unregister(NULL, s);
04481          }
04482            
04483          return -1;
04484       }
04485       
04486       bufaddr = (int *)s->inbuf;
04487       dlen = letohl(*bufaddr);
04488       if (dlen < 4) {
04489          ast_log(LOG_WARNING, "Skinny Client sent invalid data.\n");
04490          ast_mutex_unlock(&s->lock);
04491          return -1;
04492       }
04493       if (dlen+8 > sizeof(s->inbuf)) {
04494          dlen = sizeof(s->inbuf) - 8;
04495       }
04496       *bufaddr = htolel(dlen);
04497 
04498       res = read(s->fd, s->inbuf+4, dlen+4);
04499       ast_mutex_unlock(&s->lock);
04500       if (res < 0) {
04501          ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
04502          return res;
04503       } else if (res != (dlen+4)) {
04504          ast_log(LOG_WARNING, "Skinny Client sent less data than expected.\n");
04505          return -1;
04506       }
04507       return res;
04508    }
04509    return 0;
04510 }
04511 
04512 static struct skinny_req *skinny_req_parse(struct skinnysession *s)
04513 {
04514    struct skinny_req *req;
04515    int *bufaddr;
04516 
04517    if (!(req = ast_calloc(1, SKINNY_MAX_PACKET)))
04518       return NULL;
04519 
04520    ast_mutex_lock(&s->lock);
04521    memcpy(req, s->inbuf, skinny_header_size);
04522    bufaddr = (int *)(s->inbuf);
04523    memcpy(&req->data, s->inbuf+skinny_header_size, letohl(*bufaddr)-4);
04524 
04525    ast_mutex_unlock(&s->lock);
04526 
04527    if (letohl(req->e) < 0) {
04528       ast_log(LOG_ERROR, "Event Message is NULL from socket %d, This is bad\n", s->fd);
04529       free(req);
04530       return NULL;
04531    }
04532 
04533    return req;
04534 }
04535 
04536 static void *skinny_session(void *data)
04537 {
04538    int res;
04539    struct skinny_req *req;
04540    struct skinnysession *s = data;
04541 
04542    if (option_verbose > 2)
04543       ast_verbose(VERBOSE_PREFIX_3 "Starting Skinny session from %s\n", ast_inet_ntoa(s->sin.sin_addr));
04544 
04545    for (;;) {
04546       res = get_input(s);
04547       if (res < 0) {
04548          break;
04549       }
04550 
04551       if (res > 0)
04552       {
04553          if (!(req = skinny_req_parse(s))) {
04554             destroy_session(s);
04555             return NULL;
04556          }
04557 
04558          res = handle_message(req, s);
04559          if (res < 0) {
04560             destroy_session(s);
04561             return NULL;
04562          }
04563       }
04564    }
04565    ast_log(LOG_NOTICE, "Skinny Session returned: %s\n", strerror(errno));
04566 
04567    if (s) 
04568       destroy_session(s);
04569    
04570    return 0;
04571 }
04572 
04573 static void *accept_thread(void *ignore)
04574 {
04575    int as;
04576    struct sockaddr_in sin;
04577    socklen_t sinlen;
04578    struct skinnysession *s;
04579    struct protoent *p;
04580    int arg = 1;
04581    pthread_attr_t attr;
04582    pthread_t tcp_thread;
04583 
04584    pthread_attr_init(&attr);
04585    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
04586 
04587    for (;;) {
04588       sinlen = sizeof(sin);
04589       as = accept(skinnysock, (struct sockaddr *)&sin, &sinlen);
04590       if (as < 0) {
04591          ast_log(LOG_NOTICE, "Accept returned -1: %s\n", strerror(errno));
04592          continue;
04593       }
04594       p = getprotobyname("tcp");
04595       if(p) {
04596          if( setsockopt(as, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
04597             ast_log(LOG_WARNING, "Failed to set Skinny tcp connection to TCP_NODELAY mode: %s\n", strerror(errno));
04598          }
04599       }
04600       if (!(s = ast_calloc(1, sizeof(struct skinnysession))))
04601          continue;
04602 
04603       memcpy(&s->sin, &sin, sizeof(sin));
04604       ast_mutex_init(&s->lock);
04605       s->fd = as;
04606       ast_mutex_lock(&sessionlock);
04607       s->next = sessions;
04608       sessions = s;
04609       ast_mutex_unlock(&sessionlock);
04610 
04611       if (ast_pthread_create(&tcp_thread, &attr, skinny_session, s)) {
04612          destroy_session(s);
04613       }
04614    }
04615    if (skinnydebug)
04616       ast_verbose("killing accept thread\n");
04617    close(as);
04618    pthread_attr_destroy(&attr);
04619    return 0;
04620 }
04621 
04622 static void *do_monitor(void *data)
04623 {
04624    int res;
04625 
04626    /* This thread monitors all the interfaces which are not yet in use
04627       (and thus do not have a separate thread) indefinitely */
04628    /* From here on out, we die whenever asked */
04629    for(;;) {
04630       pthread_testcancel();
04631       /* Wait for sched or io */
04632       res = ast_sched_wait(sched);
04633       if ((res < 0) || (res > 1000)) {
04634          res = 1000;
04635       }
04636       res = ast_io_wait(io, res);
04637       ast_mutex_lock(&monlock);
04638       if (res >= 0) {
04639          ast_sched_runq(sched);
04640       }
04641       ast_mutex_unlock(&monlock);
04642    }
04643    /* Never reached */
04644    return NULL;
04645 
04646 }
04647 
04648 static int restart_monitor(void)
04649 {
04650    /* If we're supposed to be stopped -- stay stopped */
04651    if (monitor_thread == AST_PTHREADT_STOP)
04652       return 0;
04653 
04654    ast_mutex_lock(&monlock);
04655    if (monitor_thread == pthread_self()) {
04656       ast_mutex_unlock(&monlock);
04657       ast_log(LOG_WARNING, "Cannot kill myself\n");
04658       return -1;
04659    }
04660    if (monitor_thread != AST_PTHREADT_NULL) {
04661       /* Wake up the thread */
04662       pthread_kill(monitor_thread, SIGURG);
04663    } else {
04664       /* Start a new monitor */
04665       if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
04666          ast_mutex_unlock(&monlock);
04667          ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
04668          return -1;
04669       }
04670    }
04671    ast_mutex_unlock(&monlock);
04672    return 0;
04673 }
04674 
04675 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause)
04676 {
04677    int oldformat;
04678    
04679    struct skinny_line *l;
04680    struct ast_channel *tmpc = NULL;
04681    char tmp[256];
04682    char *dest = data;
04683 
04684    oldformat = format;
04685    
04686    if (!(format &= ((AST_FORMAT_MAX_AUDIO << 1) - 1))) {
04687       ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
04688       return NULL;   
04689    }     
04690 
04691    ast_copy_string(tmp, dest, sizeof(tmp));
04692    if (ast_strlen_zero(tmp)) {
04693       ast_log(LOG_NOTICE, "Skinny channels require a device\n");
04694       return NULL;
04695    }
04696    l = find_line_by_name(tmp);
04697    if (!l) {
04698       ast_log(LOG_NOTICE, "No available lines on: %s\n", dest);
04699       return NULL;
04700    }
04701    if (option_verbose > 2) {
04702       ast_verbose(VERBOSE_PREFIX_3 "skinny_request(%s)\n", tmp);
04703    }
04704    tmpc = skinny_new(l, AST_STATE_DOWN);
04705    if (!tmpc) {
04706       ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
04707    }
04708    restart_monitor();
04709    return tmpc;
04710 }
04711 
04712 static int reload_config(void)
04713 {
04714    int on = 1;
04715    struct ast_config *cfg;
04716    struct ast_variable *v;
04717    char *cat;
04718    struct skinny_device *d;
04719    int oldport = ntohs(bindaddr.sin_port);
04720 
04721    if (gethostname(ourhost, sizeof(ourhost))) {
04722       ast_log(LOG_WARNING, "Unable to get hostname, Skinny disabled\n");
04723       return 0;
04724    }
04725    cfg = ast_config_load(config);
04726 
04727    /* We *must* have a config file otherwise stop immediately */
04728    if (!cfg) {
04729       ast_log(LOG_NOTICE, "Unable to load config %s, Skinny disabled\n", config);
04730       return -1;
04731    }
04732    memset(&bindaddr, 0, sizeof(bindaddr));
04733    memset(&default_prefs, 0, sizeof(default_prefs));
04734 
04735    /* Copy the default jb config over global_jbconf */
04736    memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
04737 
04738    /* load the general section */
04739    v = ast_variable_browse(cfg, "general");
04740    while (v) {
04741       /* handle jb conf */
04742       if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) {
04743          v = v->next;
04744          continue;
04745       }
04746 
04747       /* Create the interface list */
04748       if (!strcasecmp(v->name, "bindaddr")) {
04749          if (!(hp = ast_gethostbyname(v->value, &ahp))) {
04750             ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
04751          } else {
04752             memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
04753          }
04754       } else if (!strcasecmp(v->name, "keepalive")) {
04755          keep_alive = atoi(v->value);
04756       } else if (!strcasecmp(v->name, "dateformat")) {
04757          memcpy(date_format, v->value, sizeof(date_format));
04758       } else if (!strcasecmp(v->name, "allow")) {
04759          ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 1);
04760       } else if (!strcasecmp(v->name, "disallow")) {
04761          ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 0);
04762       } else if (!strcasecmp(v->name, "bindport") || !strcasecmp(v->name, "port")) {
04763          if (sscanf(v->value, "%5d", &ourport) == 1) {
04764             bindaddr.sin_port = htons(ourport);
04765          } else {
04766             ast_log(LOG_WARNING, "Invalid bindport '%s' at line %d of %s\n", v->value, v->lineno, config);
04767          }
04768          if (!strcasecmp(v->name, "port")) { /*! \todo Remove 'port' option after 1.4 */
04769             ast_log(LOG_WARNING, "Option 'port' at line %d of %s has been deprecated.  Please use 'bindport' instead.\n", v->lineno, config);
04770          }
04771       }
04772       v = v->next;
04773    }
04774 
04775    if (ntohl(bindaddr.sin_addr.s_addr)) {
04776       __ourip = bindaddr.sin_addr;
04777    } else {
04778       hp = ast_gethostbyname(ourhost, &ahp);
04779       if (!hp) {
04780          ast_log(LOG_WARNING, "Unable to get our IP address, Skinny disabled\n");
04781          ast_config_destroy(cfg);
04782          return 0;
04783       }
04784       memcpy(&__ourip, hp->h_addr, sizeof(__ourip));
04785    }
04786    if (!ntohs(bindaddr.sin_port)) {
04787       bindaddr.sin_port = ntohs(DEFAULT_SKINNY_PORT);
04788    }
04789    bindaddr.sin_family = AF_INET;
04790 
04791    /* load the device sections */
04792    cat = ast_category_browse(cfg, NULL);
04793    while(cat) {
04794       if (!strcasecmp(cat, "general")) {
04795          /* Nothing to do */
04796 #if 0
04797       } else if (!strncasecmp(cat, "paging-", 7)) {
04798          p = build_paging_device(cat, ast_variable_browse(cfg, cat));
04799          if (p) {
04800          }
04801 #endif
04802       } else {
04803          d = build_device(cat, ast_variable_browse(cfg, cat));
04804          if (d) {
04805             if (option_verbose > 2)
04806                ast_verbose(VERBOSE_PREFIX_3 "Added device '%s'\n", d->name);
04807             ast_mutex_lock(&devicelock);
04808             d->next = devices;
04809             devices = d;
04810             ast_mutex_unlock(&devicelock);
04811          }
04812       }
04813       cat = ast_category_browse(cfg, cat);
04814    }
04815    ast_mutex_lock(&netlock);
04816    if ((skinnysock > -1) && (ntohs(bindaddr.sin_port) != oldport)) {
04817       close(skinnysock);
04818       skinnysock = -1;
04819    }
04820    if (skinnysock < 0) {
04821       skinnysock = socket(AF_INET, SOCK_STREAM, 0);
04822       if(setsockopt(skinnysock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
04823          ast_log(LOG_ERROR, "Set Socket Options failed: errno %d, %s\n", errno, strerror(errno));
04824          ast_config_destroy(cfg);
04825          ast_mutex_unlock(&netlock);
04826          return 0;
04827       }
04828       if (skinnysock < 0) {
04829          ast_log(LOG_WARNING, "Unable to create Skinny socket: %s\n", strerror(errno));
04830       } else {
04831          if (bind(skinnysock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
04832             ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
04833                   ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
04834                      strerror(errno));
04835             close(skinnysock);
04836             skinnysock = -1;
04837             ast_config_destroy(cfg);
04838             ast_mutex_unlock(&netlock);
04839             return 0;
04840          }
04841          if (listen(skinnysock,DEFAULT_SKINNY_BACKLOG)) {
04842                ast_log(LOG_WARNING, "Failed to start listening to %s:%d: %s\n",
04843                   ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
04844                      strerror(errno));
04845                close(skinnysock);
04846                skinnysock = -1;
04847                ast_config_destroy(cfg);
04848                ast_mutex_unlock(&netlock);
04849                return 0;
04850          }
04851          if (option_verbose > 1)
04852             ast_verbose(VERBOSE_PREFIX_2 "Skinny listening on %s:%d\n",
04853                ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port));
04854          ast_pthread_create_background(&accept_t,NULL, accept_thread, NULL);
04855       }
04856    }
04857    ast_mutex_unlock(&netlock);
04858    ast_config_destroy(cfg);
04859    return 1;
04860 }
04861 
04862 static void delete_devices(void)
04863 {
04864    struct skinny_device *d, *dlast;
04865    struct skinny_line *l, *llast;
04866    struct skinny_speeddial *sd, *sdlast;
04867    struct skinny_addon *a, *alast;
04868 
04869    ast_mutex_lock(&devicelock);
04870 
04871    /* Delete all devices */
04872    for (d=devices;d;) {
04873       /* Delete all lines for this device */
04874       for (l=d->lines;l;) {
04875          llast = l;
04876          l = l->next;
04877          ast_mutex_destroy(&llast->lock);
04878          free(llast);
04879       }
04880       /* Delete all speeddials for this device */
04881       for (sd=d->speeddials;sd;) {
04882          sdlast = sd;
04883          sd = sd->next;
04884          ast_mutex_destroy(&sdlast->lock);
04885          free(sdlast);
04886       }
04887       /* Delete all addons for this device */
04888       for (a=d->addons;a;) {
04889          alast = a;
04890          a = a->next;
04891          ast_mutex_destroy(&alast->lock);
04892          free(alast);
04893       }
04894       dlast = d;
04895       d = d->next;
04896       free(dlast);
04897    }
04898    devices=NULL;
04899    ast_mutex_unlock(&devicelock);
04900 }
04901 
04902 #if 0
04903 /*
04904  * XXX This never worked properly anyways.
04905  * Let's get rid of it, until we can fix it.
04906  */
04907 static int reload(void)
04908 {
04909    delete_devices();
04910    reload_config();
04911    restart_monitor();
04912    return 0;
04913 }
04914 #endif
04915 
04916 static int load_module(void)
04917 {
04918    int res = 0;
04919 
04920    for (; res < (sizeof(soft_key_template_default) / sizeof(soft_key_template_default[0])); res++) {
04921       soft_key_template_default[res].softKeyEvent = htolel(soft_key_template_default[res].softKeyEvent);
04922    }
04923    /* load and parse config */
04924    res = reload_config();
04925    if (res == -1) {
04926       return AST_MODULE_LOAD_DECLINE;
04927    }
04928 
04929    /* Make sure we can register our skinny channel type */
04930    if (ast_channel_register(&skinny_tech)) {
04931       ast_log(LOG_ERROR, "Unable to register channel class 'Skinny'\n");
04932       return -1;
04933    }
04934 
04935    ast_rtp_proto_register(&skinny_rtp);
04936    ast_cli_register_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
04937    sched = sched_context_create();
04938    if (!sched) {
04939       ast_log(LOG_WARNING, "Unable to create schedule context\n");
04940    }
04941    io = io_context_create();
04942    if (!io) {
04943       ast_log(LOG_WARNING, "Unable to create I/O context\n");
04944    }
04945    /* And start the monitor for the first time */
04946    restart_monitor();
04947 
04948    return res;
04949 }
04950 
04951 static int unload_module(void)
04952 {
04953    struct skinnysession *s, *slast;
04954    struct skinny_device *d;
04955    struct skinny_line *l;
04956    struct skinny_subchannel *sub;
04957 
04958    ast_mutex_lock(&sessionlock);
04959    /* Destroy all the interfaces and free their memory */
04960    s = sessions;
04961    while(s) {
04962       slast = s;
04963       s = s->next;
04964       for (d = slast->device; d; d = d->next) {
04965          for (l = d->lines; l; l = l->next) {
04966             ast_mutex_lock(&l->lock);
04967             for (sub = l->sub; sub; sub = sub->next) {
04968                ast_mutex_lock(&sub->lock);
04969                if (sub->owner) {
04970                   sub->alreadygone = 1;
04971                   ast_softhangup(sub->owner, AST_SOFTHANGUP_APPUNLOAD);
04972                }
04973                ast_mutex_unlock(&sub->lock);
04974             }
04975             ast_mutex_unlock(&l->lock);
04976          }
04977       }
04978       if (slast->fd > -1)
04979          close(slast->fd);
04980       ast_mutex_destroy(&slast->lock);
04981       free(slast);
04982    }
04983    sessions = NULL;
04984    ast_mutex_unlock(&sessionlock);
04985 
04986    delete_devices();
04987 
04988    ast_mutex_lock(&monlock);
04989    if ((monitor_thread != AST_PTHREADT_NULL) && (monitor_thread != AST_PTHREADT_STOP)) {
04990       pthread_cancel(monitor_thread);
04991       pthread_kill(monitor_thread, SIGURG);
04992       pthread_join(monitor_thread, NULL);
04993    }
04994    monitor_thread = AST_PTHREADT_STOP;
04995    ast_mutex_unlock(&monlock);
04996 
04997    ast_mutex_lock(&netlock);
04998    if (accept_t && (accept_t != AST_PTHREADT_STOP)) {
04999       pthread_cancel(accept_t);
05000       pthread_kill(accept_t, SIGURG);
05001       pthread_join(accept_t, NULL);
05002    }
05003    accept_t = AST_PTHREADT_STOP;
05004    ast_mutex_unlock(&netlock);
05005 
05006    ast_rtp_proto_unregister(&skinny_rtp);
05007    ast_channel_unregister(&skinny_tech);
05008    ast_cli_unregister_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
05009 
05010    close(skinnysock);
05011    if (sched)
05012       sched_context_destroy(sched);
05013 
05014    return 0;
05015 }
05016 
05017 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Skinny Client Control Protocol (Skinny)",
05018       .load = load_module,
05019       .unload = unload_module,
05020           );

Generated on Thu Dec 17 15:35:38 2009 for Asterisk - the Open Source PBX by  doxygen 1.4.7