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asterisk/channels/chan_skinny.c

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* chan_skinny was developed by Jeremy McNamara & Florian Overkamp
* chan_skinny was heavily modified/fixed by North Antara
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Implementation of the Skinny protocol
*
* \author Jeremy McNamara & Florian Overkamp & North Antara
* \ingroup channel_drivers
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <errno.h>
#include <fcntl.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <sys/signal.h>
#include <signal.h>
#include <ctype.h>
#include "asterisk/lock.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/logger.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/options.h"
#include "asterisk/lock.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/rtp.h"
#include "asterisk/acl.h"
#include "asterisk/callerid.h"
#include "asterisk/cli.h"
#include "asterisk/say.h"
#include "asterisk/cdr.h"
#include "asterisk/astdb.h"
#include "asterisk/features.h"
#include "asterisk/app.h"
#include "asterisk/musiconhold.h"
#include "asterisk/utils.h"
#include "asterisk/dsp.h"
#include "asterisk/stringfields.h"
#include "asterisk/astobj.h"
#include "asterisk/abstract_jb.h"
#include "asterisk/threadstorage.h"
/*************************************
* Skinny/Asterisk Protocol Settings *
*************************************/
static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
static const char config[] = "skinny.conf";
static int default_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW;
static struct ast_codec_pref default_prefs;
enum skinny_codecs {
SKINNY_CODEC_ALAW = 2,
SKINNY_CODEC_ULAW = 4,
SKINNY_CODEC_G723_1 = 9,
SKINNY_CODEC_G729A = 12,
SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
SKINNY_CODEC_H261 = 100,
SKINNY_CODEC_H263 = 101
};
#define DEFAULT_SKINNY_PORT 2000
#define DEFAULT_SKINNY_BACKLOG 2
#define SKINNY_MAX_PACKET 1000
static int keep_alive = 120;
static char date_format[6] = "D-M-Y";
static char version_id[16] = "P002F202";
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define letohl(x) (x)
#define letohs(x) (x)
#define htolel(x) (x)
#define htoles(x) (x)
#else
#if defined(SOLARIS) || defined(__Darwin__) || defined(__NetBSD__)
#define __bswap_16(x) \
((((x) & 0xff00) >> 8) | \
(((x) & 0x00ff) << 8))
#define __bswap_32(x) \
((((x) & 0xff000000) >> 24) | \
(((x) & 0x00ff0000) >> 8) | \
(((x) & 0x0000ff00) << 8) | \
(((x) & 0x000000ff) << 24))
#else
#include <bits/byteswap.h>
#endif
#define letohl(x) __bswap_32(x)
#define letohs(x) __bswap_16(x)
#define htolel(x) __bswap_32(x)
#define htoles(x) __bswap_16(x)
#endif
/*! Global jitterbuffer configuration - by default, jb is disabled */
static struct ast_jb_conf default_jbconf =
{
.flags = 0,
.max_size = -1,
.resync_threshold = -1,
.impl = ""
};
static struct ast_jb_conf global_jbconf;
AST_THREADSTORAGE(device2str_threadbuf);
#define DEVICE2STR_BUFSIZE 15
AST_THREADSTORAGE(control2str_threadbuf);
#define CONTROL2STR_BUFSIZE 100
/*********************
* Protocol Messages *
*********************/
/* message types */
#define KEEP_ALIVE_MESSAGE 0x0000
/* no additional struct */
#define REGISTER_MESSAGE 0x0001
struct register_message {
char name[16];
uint32_t userId;
uint32_t instance;
uint32_t ip;
uint32_t type;
uint32_t maxStreams;
};
#define IP_PORT_MESSAGE 0x0002
#define KEYPAD_BUTTON_MESSAGE 0x0003
struct keypad_button_message {
uint32_t button;
uint32_t lineInstance;
uint32_t callReference;
};
#define STIMULUS_MESSAGE 0x0005
struct stimulus_message {
uint32_t stimulus;
uint32_t stimulusInstance;
uint32_t unknown1;
};
#define OFFHOOK_MESSAGE 0x0006
struct offhook_message {
uint32_t unknown1;
uint32_t unknown2;
};
#define ONHOOK_MESSAGE 0x0007
struct onhook_message {
uint32_t unknown1;
uint32_t unknown2;
};
#define CAPABILITIES_RES_MESSAGE 0x0010
struct station_capabilities {
uint32_t codec;
uint32_t frames;
union {
char res[8];
uint32_t rate;
} payloads;
};
struct capabilities_res_message {
uint32_t count;
struct station_capabilities caps[18];
};
#define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
struct speed_dial_stat_req_message {
uint32_t speedDialNumber;
};
#define LINE_STATE_REQ_MESSAGE 0x000B
struct line_state_req_message {
uint32_t lineNumber;
};
#define TIME_DATE_REQ_MESSAGE 0x000D
#define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
#define VERSION_REQ_MESSAGE 0x000F
#define SERVER_REQUEST_MESSAGE 0x0012
#define ALARM_MESSAGE 0x0020
struct alarm_message {
uint32_t alarmSeverity;
char displayMessage[80];
uint32_t alarmParam1;
uint32_t alarmParam2;
};
#define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
struct open_receive_channel_ack_message {
uint32_t status;
uint32_t ipAddr;
uint32_t port;
uint32_t passThruId;
};
#define SOFT_KEY_SET_REQ_MESSAGE 0x0025
#define SOFT_KEY_EVENT_MESSAGE 0x0026
struct soft_key_event_message {
uint32_t softKeyEvent;
uint32_t instance;
uint32_t reference;
};
#define UNREGISTER_MESSAGE 0x0027
#define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
#define HEADSET_STATUS_MESSAGE 0x002B
#define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
#define REGISTER_ACK_MESSAGE 0x0081
struct register_ack_message {
uint32_t keepAlive;
char dateTemplate[6];
char res[2];
uint32_t secondaryKeepAlive;
char res2[4];
};
#define START_TONE_MESSAGE 0x0082
struct start_tone_message {
uint32_t tone;
};
#define STOP_TONE_MESSAGE 0x0083
#define SET_RINGER_MESSAGE 0x0085
struct set_ringer_message {
uint32_t ringerMode;
uint32_t unknown1; /* See notes in transmit_ringer_mode */
uint32_t unknown2;
};
#define SET_LAMP_MESSAGE 0x0086
struct set_lamp_message {
uint32_t stimulus;
uint32_t stimulusInstance;
uint32_t deviceStimulus;
};
#define SET_SPEAKER_MESSAGE 0x0088
struct set_speaker_message {
uint32_t mode;
};
/* XXX When do we need to use this? */
#define SET_MICROPHONE_MESSAGE 0x0089
struct set_microphone_message {
uint32_t mode;
};
#define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
struct media_qualifier {
uint32_t precedence;
uint32_t vad;
uint32_t packets;
uint32_t bitRate;
};
struct start_media_transmission_message {
uint32_t conferenceId;
uint32_t passThruPartyId;
uint32_t remoteIp;
uint32_t remotePort;
uint32_t packetSize;
uint32_t payloadType;
struct media_qualifier qualifier;
};
#define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
struct stop_media_transmission_message {
uint32_t conferenceId;
uint32_t passThruPartyId;
};
#define CALL_INFO_MESSAGE 0x008F
struct call_info_message {
char callingPartyName[40];
char callingParty[24];
char calledPartyName[40];
char calledParty[24];
uint32_t instance;
uint32_t reference;
uint32_t type;
char originalCalledPartyName[40];
char originalCalledParty[24];
};
#define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
struct speed_dial_stat_res_message {
uint32_t speedDialNumber;
char speedDialDirNumber[24];
char speedDialDisplayName[40];
};
#define LINE_STAT_RES_MESSAGE 0x0092
struct line_stat_res_message {
uint32_t lineNumber;
char lineDirNumber[24];
char lineDisplayName[42];
uint32_t space;
};
#define DEFINETIMEDATE_MESSAGE 0x0094
struct definetimedate_message {
uint32_t year; /* since 1900 */
uint32_t month;
uint32_t dayofweek; /* monday = 1 */
uint32_t day;
uint32_t hour;
uint32_t minute;
uint32_t seconds;
uint32_t milliseconds;
uint32_t timestamp;
};
#define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
struct button_definition {
uint8_t instanceNumber;
uint8_t buttonDefinition;
};
struct button_definition_template {
uint8_t buttonDefinition;
/* for now, anything between 0xB0 and 0xCF is custom */
/*int custom;*/
};
#define STIMULUS_REDIAL 0x01
#define STIMULUS_SPEEDDIAL 0x02
#define STIMULUS_HOLD 0x03
#define STIMULUS_TRANSFER 0x04
#define STIMULUS_FORWARDALL 0x05
#define STIMULUS_FORWARDBUSY 0x06
#define STIMULUS_FORWARDNOANSWER 0x07
#define STIMULUS_DISPLAY 0x08
#define STIMULUS_LINE 0x09
#define STIMULUS_VOICEMAIL 0x0F
#define STIMULUS_AUTOANSWER 0x11
#define STIMULUS_CONFERENCE 0x7D
#define STIMULUS_CALLPARK 0x7E
#define STIMULUS_CALLPICKUP 0x7F
#define STIMULUS_NONE 0xFF
/* Button types */
#define BT_REDIAL STIMULUS_REDIAL
#define BT_SPEEDDIAL STIMULUS_SPEEDDIAL
#define BT_HOLD STIMULUS_HOLD
#define BT_TRANSFER STIMULUS_TRANSFER
#define BT_FORWARDALL STIMULUS_FORWARDALL
#define BT_FORWARDBUSY STIMULUS_FORWARDBUSY
#define BT_FORWARDNOANSWER STIMULUS_FORWARDNOANSWER
#define BT_DISPLAY STIMULUS_DISPLAY
#define BT_LINE STIMULUS_LINE
#define BT_VOICEMAIL STIMULUS_VOICEMAIL
#define BT_AUTOANSWER STIMULUS_AUTOANSWER
#define BT_CONFERENCE STIMULUS_CONFERENCE
#define BT_CALLPARK STIMULUS_CALLPARK
#define BT_CALLPICKUP STIMULUS_CALLPICKUP
#define BT_NONE 0x00
/* Custom button types - add our own between 0xB0 and 0xCF.
This may need to be revised in the future,
if stimuluses are ever added in this range. */
#define BT_CUST_LINESPEEDDIAL 0xB0 /* line or speeddial */
#define BT_CUST_HINT 0xB1 /* pipe dream */
struct button_template_res_message {
uint32_t buttonOffset;
uint32_t buttonCount;
uint32_t totalButtonCount;
struct button_definition definition[42];
};
#define VERSION_RES_MESSAGE 0x0098
struct version_res_message {
char version[16];
};
#define DISPLAYTEXT_MESSAGE 0x0099
struct displaytext_message {
char text[40];
};
#define CLEAR_NOTIFY_MESSAGE 0x0115
#define CLEAR_PROMPT_MESSAGE 0x0113
#define CLEAR_DISPLAY_MESSAGE 0x009A
#define CAPABILITIES_REQ_MESSAGE 0x009B
#define REGISTER_REJ_MESSAGE 0x009D
struct register_rej_message {
char errMsg[33];
};
#define SERVER_RES_MESSAGE 0x009E
struct server_identifier {
char serverName[48];
};
struct server_res_message {
struct server_identifier server[5];
uint32_t serverListenPort[5];
uint32_t serverIpAddr[5];
};
#define RESET_MESSAGE 0x009F
struct reset_message {
uint32_t resetType;
};
#define KEEP_ALIVE_ACK_MESSAGE 0x0100
#define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
struct open_receive_channel_message {
uint32_t conferenceId;
uint32_t partyId;
uint32_t packets;
uint32_t capability;
uint32_t echo;
uint32_t bitrate;
};
#define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
struct close_receive_channel_message {
uint32_t conferenceId;
uint32_t partyId;
};
#define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
struct soft_key_template_definition {
char softKeyLabel[16];
uint32_t softKeyEvent;
};
#define KEYDEF_ONHOOK 0
#define KEYDEF_CONNECTED 1
#define KEYDEF_ONHOLD 2
#define KEYDEF_RINGIN 3
#define KEYDEF_OFFHOOK 4
#define KEYDEF_CONNWITHTRANS 5
#define KEYDEF_DADFD 6 /* Digits After Dialing First Digit */
#define KEYDEF_CONNWITHCONF 7
#define KEYDEF_RINGOUT 8
#define KEYDEF_OFFHOOKWITHFEAT 9
#define KEYDEF_UNKNOWN 10
#define SOFTKEY_NONE 0x00
#define SOFTKEY_REDIAL 0x01
#define SOFTKEY_NEWCALL 0x02
#define SOFTKEY_HOLD 0x03
#define SOFTKEY_TRNSFER 0x04
#define SOFTKEY_CFWDALL 0x05
#define SOFTKEY_CFWDBUSY 0x06
#define SOFTKEY_CFWDNOANSWER 0x07
#define SOFTKEY_BKSPC 0x08
#define SOFTKEY_ENDCALL 0x09
#define SOFTKEY_RESUME 0x0A
#define SOFTKEY_ANSWER 0x0B
#define SOFTKEY_INFO 0x0C
#define SOFTKEY_CONFRN 0x0D
#define SOFTKEY_PARK 0x0E
#define SOFTKEY_JOIN 0x0F
#define SOFTKEY_MEETME 0x10
#define SOFTKEY_PICKUP 0x11
#define SOFTKEY_GPICKUP 0x12
struct soft_key_template_definition soft_key_template_default[] = {
{ "Redial", 0x01 },
{ "NewCall", 0x02 },
{ "Hold", 0x03 },
{ "Trnsfer", 0x04 },
{ "CFwdAll", 0x05 },
{ "CFwdBusy", 0x06 },
{ "CFwdNoAnswer", 0x07 },
{ "<<", 0x08 },
{ "EndCall", 0x09 },
{ "Resume", 0x0A },
{ "Answer", 0x0B },
{ "Info", 0x0C },
{ "Confrn", 0x0D },
{ "Park", 0x0E },
{ "Join", 0x0F },
{ "MeetMe", 0x10 },
{ "PickUp", 0x11 },
{ "GPickUp", 0x12 },
};
struct soft_key_definitions {
const uint8_t mode;
const uint8_t *defaults;
const int count;
};
static const uint8_t soft_key_default_onhook[] = {
SOFTKEY_REDIAL,
SOFTKEY_CFWDALL,
SOFTKEY_CFWDBUSY,
SOFTKEY_GPICKUP,
SOFTKEY_CONFRN,
};
static const uint8_t soft_key_default_connected[] = {
SOFTKEY_HOLD,
SOFTKEY_ENDCALL,
SOFTKEY_TRNSFER,
SOFTKEY_PARK,
SOFTKEY_CFWDALL,
SOFTKEY_CFWDBUSY,
};
static const uint8_t soft_key_default_onhold[] = {
SOFTKEY_RESUME,
SOFTKEY_NEWCALL,
SOFTKEY_ENDCALL,
SOFTKEY_TRNSFER,
};
static const uint8_t soft_key_default_ringin[] = {
SOFTKEY_ANSWER,
SOFTKEY_ENDCALL,
SOFTKEY_TRNSFER,
};
static const uint8_t soft_key_default_offhook[] = {
SOFTKEY_REDIAL,
SOFTKEY_ENDCALL,
SOFTKEY_CFWDALL,
SOFTKEY_CFWDBUSY,
SOFTKEY_GPICKUP,
};
static const uint8_t soft_key_default_connwithtrans[] = {
SOFTKEY_HOLD,
SOFTKEY_ENDCALL,
SOFTKEY_TRNSFER,
SOFTKEY_PARK,
SOFTKEY_CFWDALL,
SOFTKEY_CFWDBUSY,
};
static const uint8_t soft_key_default_dadfd[] = {
SOFTKEY_BKSPC,
SOFTKEY_ENDCALL,
};
static const uint8_t soft_key_default_connwithconf[] = {
SOFTKEY_NONE,
};
static const uint8_t soft_key_default_ringout[] = {
SOFTKEY_ENDCALL,
SOFTKEY_TRNSFER,
SOFTKEY_CFWDALL,
SOFTKEY_CFWDBUSY,
};
static const uint8_t soft_key_default_offhookwithfeat[] = {
SOFTKEY_REDIAL,
SOFTKEY_ENDCALL,
};
static const uint8_t soft_key_default_unknown[] = {
SOFTKEY_NONE,
};
static const struct soft_key_definitions soft_key_default_definitions[] = {
{KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
{KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
{KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
{KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
{KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
{KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
{KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
{KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
{KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
{KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
{KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
};
struct soft_key_template_res_message {
uint32_t softKeyOffset;
uint32_t softKeyCount;
uint32_t totalSoftKeyCount;
struct soft_key_template_definition softKeyTemplateDefinition[32];
};
#define SOFT_KEY_SET_RES_MESSAGE 0x0109
struct soft_key_set_definition {
uint8_t softKeyTemplateIndex[16];
uint16_t softKeyInfoIndex[16];
};
struct soft_key_set_res_message {
uint32_t softKeySetOffset;
uint32_t softKeySetCount;
uint32_t totalSoftKeySetCount;
struct soft_key_set_definition softKeySetDefinition[16];
uint32_t res;
};
#define SELECT_SOFT_KEYS_MESSAGE 0x0110
struct select_soft_keys_message {
uint32_t instance;
uint32_t reference;
uint32_t softKeySetIndex;
uint32_t validKeyMask;
};
#define CALL_STATE_MESSAGE 0x0111
struct call_state_message {
uint32_t callState;
uint32_t lineInstance;
uint32_t callReference;
};
#define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
struct display_prompt_status_message {
uint32_t messageTimeout;
char promptMessage[32];
uint32_t lineInstance;
uint32_t callReference;
};
#define DISPLAY_NOTIFY_MESSAGE 0x0114
struct display_notify_message {
uint32_t displayTimeout;
char displayMessage[100];
};
#define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
struct activate_call_plane_message {
uint32_t lineInstance;
};
#define DIALED_NUMBER_MESSAGE 0x011D
struct dialed_number_message {
char dialedNumber[24];
uint32_t lineInstance;
uint32_t callReference;
};
union skinny_data {
struct alarm_message alarm;
struct speed_dial_stat_req_message speeddialreq;
struct register_message reg;
struct register_ack_message regack;
struct register_rej_message regrej;
struct capabilities_res_message caps;
struct version_res_message version;
struct button_template_res_message buttontemplate;
struct displaytext_message displaytext;
struct display_prompt_status_message displaypromptstatus;
struct definetimedate_message definetimedate;
struct start_tone_message starttone;
struct speed_dial_stat_res_message speeddial;
struct line_state_req_message line;
struct line_stat_res_message linestat;
struct soft_key_set_res_message softkeysets;
struct soft_key_template_res_message softkeytemplate;
struct server_res_message serverres;
struct reset_message reset;
struct set_lamp_message setlamp;
struct set_ringer_message setringer;
struct call_state_message callstate;
struct keypad_button_message keypad;
struct select_soft_keys_message selectsoftkey;
struct activate_call_plane_message activatecallplane;
struct stimulus_message stimulus;
struct offhook_message offhook;
struct onhook_message onhook;
struct set_speaker_message setspeaker;
struct set_microphone_message setmicrophone;
struct call_info_message callinfo;
struct start_media_transmission_message startmedia;
struct stop_media_transmission_message stopmedia;
struct open_receive_channel_message openreceivechannel;
struct open_receive_channel_ack_message openreceivechannelack;
struct close_receive_channel_message closereceivechannel;
struct display_notify_message displaynotify;
struct dialed_number_message dialednumber;
struct soft_key_event_message softkeyeventmessage;
};
/* packet composition */
struct skinny_req {
int len;
int res;
int e;
union skinny_data data;
};
/* XXX This is the combined size of the variables above. (len, res, e)
If more are added, this MUST change.
(sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
int skinny_header_size = 12;
/*****************************
* Asterisk specific globals *
*****************************/
static int skinnydebug = 0;
/* a hostname, portnumber, socket and such is usefull for VoIP protocols */
static struct sockaddr_in bindaddr;
static char ourhost[256];
static int ourport;
static struct in_addr __ourip;
struct ast_hostent ahp;
struct hostent *hp;
static int skinnysock = -1;
static pthread_t accept_t;
static char context[AST_MAX_CONTEXT] = "default";
static char language[MAX_LANGUAGE] = "";
static char mohinterpret[MAX_MUSICCLASS] = "default";
static char mohsuggest[MAX_MUSICCLASS] = "";
static char cid_num[AST_MAX_EXTENSION] = "";
static char cid_name[AST_MAX_EXTENSION] = "";
static char linelabel[AST_MAX_EXTENSION] ="";
static int nat = 0;
static ast_group_t cur_callergroup = 0;
static ast_group_t cur_pickupgroup = 0;
static int immediate = 0;
static int callwaiting = 0;
static int callreturn = 0;
static int threewaycalling = 0;
static int mwiblink = 0;
/* This is for flashhook transfers */
static int transfer = 0;
static int cancallforward = 0;
/* static int busycount = 3;*/
static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
static char mailbox[AST_MAX_EXTENSION];
static int amaflags = 0;
static int callnums = 1;
#define SKINNY_DEVICE_UNKNOWN -1
#define SKINNY_DEVICE_NONE 0
#define SKINNY_DEVICE_30SPPLUS 1
#define SKINNY_DEVICE_12SPPLUS 2
#define SKINNY_DEVICE_12SP 3
#define SKINNY_DEVICE_12 4
#define SKINNY_DEVICE_30VIP 5
#define SKINNY_DEVICE_7910 6
#define SKINNY_DEVICE_7960 7
#define SKINNY_DEVICE_7940 8
#define SKINNY_DEVICE_7935 9
#define SKINNY_DEVICE_ATA186 12 /* Cisco ATA-186 */
#define SKINNY_DEVICE_7941 115
#define SKINNY_DEVICE_7971 119
#define SKINNY_DEVICE_7985 302
#define SKINNY_DEVICE_7911 307
#define SKINNY_DEVICE_7961GE 308
#define SKINNY_DEVICE_7941GE 309
#define SKINNY_DEVICE_7905 20000
#define SKINNY_DEVICE_7920 30002
#define SKINNY_DEVICE_7970 30006
#define SKINNY_DEVICE_7912 30007
#define SKINNY_DEVICE_7902 30008
#define SKINNY_DEVICE_CIPC 30016 /* Cisco IP Communicator */
#define SKINNY_DEVICE_7961 30018
#define SKINNY_DEVICE_7936 30019
#define SKINNY_DEVICE_SCCPGATEWAY_AN 30027 /* ??? */
#define SKINNY_DEVICE_SCCPGATEWAY_BRI 30028 /* ??? */
#define SKINNY_SPEAKERON 1
#define SKINNY_SPEAKEROFF 2
#define SKINNY_MICON 1
#define SKINNY_MICOFF 2
#define SKINNY_OFFHOOK 1
#define SKINNY_ONHOOK 2
#define SKINNY_RINGOUT 3
#define SKINNY_RINGIN 4
#define SKINNY_CONNECTED 5
#define SKINNY_BUSY 6
#define SKINNY_CONGESTION 7
#define SKINNY_HOLD 8
#define SKINNY_CALLWAIT 9
#define SKINNY_TRANSFER 10
#define SKINNY_PARK 11
#define SKINNY_PROGRESS 12
#define SKINNY_INVALID 14
#define SKINNY_SILENCE 0x00
#define SKINNY_DIALTONE 0x21
#define SKINNY_BUSYTONE 0x23
#define SKINNY_ALERT 0x24
#define SKINNY_REORDER 0x25
#define SKINNY_CALLWAITTONE 0x2D
#define SKINNY_NOTONE 0x7F
#define SKINNY_LAMP_OFF 1
#define SKINNY_LAMP_ON 2
#define SKINNY_LAMP_WINK 3
#define SKINNY_LAMP_FLASH 4
#define SKINNY_LAMP_BLINK 5
#define SKINNY_RING_OFF 1
#define SKINNY_RING_INSIDE 2
#define SKINNY_RING_OUTSIDE 3
#define SKINNY_RING_FEATURE 4
#define TYPE_TRUNK 1
#define TYPE_LINE 2
/* Skinny rtp stream modes. Do we really need this? */
#define SKINNY_CX_SENDONLY 0
#define SKINNY_CX_RECVONLY 1
#define SKINNY_CX_SENDRECV 2
#define SKINNY_CX_CONF 3
#define SKINNY_CX_CONFERENCE 3
#define SKINNY_CX_MUTE 4
#define SKINNY_CX_INACTIVE 4
#if 0
static char *skinny_cxmodes[] = {
"sendonly",
"recvonly",
"sendrecv",
"confrnce",
"inactive"
};
#endif
/* driver scheduler */
static struct sched_context *sched;
static struct io_context *io;
/* Protect the monitoring thread, so only one process can kill or start it, and not
when it's doing something critical. */
AST_MUTEX_DEFINE_STATIC(monlock);
/* Protect the network socket */
AST_MUTEX_DEFINE_STATIC(netlock);
/* Protect the session list */
AST_MUTEX_DEFINE_STATIC(sessionlock);
/* Protect the device list */
AST_MUTEX_DEFINE_STATIC(devicelock);
#if 0
/* Protect the paging device list */
AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
#endif
/* This is the thread for the monitor which checks for input on the channels
which are not currently in use. */
static pthread_t monitor_thread = AST_PTHREADT_NULL;
/* Wait up to 16 seconds for first digit */
static int firstdigittimeout = 16000;
/* How long to wait for following digits */
static int gendigittimeout = 8000;
/* How long to wait for an extra digit, if there is an ambiguous match */
static int matchdigittimeout = 3000;
struct skinny_subchannel {
ast_mutex_t lock;
struct ast_channel *owner;
struct ast_rtp *rtp;
struct ast_rtp *vrtp;
unsigned int callid;
/* time_t lastouttime; */ /* Unused */
int progress;
int ringing;
int onhold;
/* int lastout; */ /* Unused */
int cxmode;
int nat;
int outgoing;
int alreadygone;
struct skinny_subchannel *next;
struct skinny_line *parent;
};
struct skinny_line {
ast_mutex_t lock;
char name[80];
char label[42]; /* Label that shows next to the line buttons */
char accountcode[AST_MAX_ACCOUNT_CODE];
char exten[AST_MAX_EXTENSION]; /* Extension where to start */
char context[AST_MAX_CONTEXT];
char language[MAX_LANGUAGE];
char cid_num[AST_MAX_EXTENSION]; /* Caller*ID */
char cid_name[AST_MAX_EXTENSION]; /* Caller*ID */
char lastcallerid[AST_MAX_EXTENSION]; /* Last Caller*ID */
char call_forward[AST_MAX_EXTENSION];
char mailbox[AST_MAX_EXTENSION];
char mohinterpret[MAX_MUSICCLASS];
char mohsuggest[MAX_MUSICCLASS];
char lastnumberdialed[AST_MAX_EXTENSION]; /* Last number that was dialed - used for redial */
int curtone; /* Current tone being played */
ast_group_t callgroup;
ast_group_t pickupgroup;
int callwaiting;
int transfer;
int threewaycalling;
int mwiblink;
int cancallforward;
int callreturn;
int dnd; /* How does this affect callwait? Do we just deny a skinny_request if we're dnd? */
int hascallerid;
int hidecallerid;
int amaflags;
int type;
int instance;
int group;
int needdestroy;
int capability;
int nonCodecCapability;
int onhooktime;
int msgstate; /* voicemail message state */
int immediate;
int hookstate;
int nat;
struct ast_codec_pref prefs;
struct skinny_subchannel *sub;
struct skinny_line *next;
struct skinny_device *parent;
};
struct skinny_speeddial {
ast_mutex_t lock;
char label[42];
char exten[AST_MAX_EXTENSION];
int instance;
struct skinny_speeddial *next;
struct skinny_device *parent;
};
struct skinny_addon {
ast_mutex_t lock;
char type[10];
struct skinny_addon *next;
struct skinny_device *parent;
};
static struct skinny_device {
/* A device containing one or more lines */
char name[80];
char id[16];
char version_id[16];
int type;
int registered;
int lastlineinstance;
int lastcallreference;
int capability;
struct sockaddr_in addr;
struct in_addr ourip;
struct skinny_line *lines;
struct skinny_speeddial *speeddials;
struct skinny_addon *addons;
struct ast_codec_pref prefs;
struct ast_ha *ha;
struct skinnysession *session;
struct skinny_device *next;
} *devices = NULL;
struct skinny_paging_device {
char name[80];
char id[16];
struct skinny_device ** devices;
struct skinny_paging_device *next;
};
static struct skinnysession {
pthread_t t;
ast_mutex_t lock;
struct sockaddr_in sin;
int fd;
char inbuf[SKINNY_MAX_PACKET];
char outbuf[SKINNY_MAX_PACKET];
struct skinny_device *device;
struct skinnysession *next;
} *sessions = NULL;
static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
static int skinny_hangup(struct ast_channel *ast);
static int skinny_answer(struct ast_channel *ast);
static struct ast_frame *skinny_read(struct ast_channel *ast);
static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
static const struct ast_channel_tech skinny_tech = {
.type = "Skinny",
.description = tdesc,
.capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
.requester = skinny_request,
.call = skinny_call,
.hangup = skinny_hangup,
.answer = skinny_answer,
.read = skinny_read,
.write = skinny_write,
.indicate = skinny_indicate,
.fixup = skinny_fixup,
.send_digit_begin = skinny_senddigit_begin,
.send_digit_end = skinny_senddigit_end,
/* .bridge = ast_rtp_bridge, */
};
static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
{
struct skinny_device *d = s->device;
struct skinny_addon *a = d->addons;
int i;
switch (d->type) {
case SKINNY_DEVICE_30SPPLUS:
case SKINNY_DEVICE_30VIP:
/* 13 rows, 2 columns */
for (i = 0; i < 4; i++)
(btn++)->buttonDefinition = BT_LINE;
(btn++)->buttonDefinition = BT_REDIAL;
(btn++)->buttonDefinition = BT_VOICEMAIL;
(btn++)->buttonDefinition = BT_CALLPARK;
(btn++)->buttonDefinition = BT_FORWARDALL;
(btn++)->buttonDefinition = BT_CONFERENCE;
for (i = 0; i < 4; i++)
(btn++)->buttonDefinition = BT_NONE;
for (i = 0; i < 13; i++)
(btn++)->buttonDefinition = BT_SPEEDDIAL;
break;
case SKINNY_DEVICE_12SPPLUS:
case SKINNY_DEVICE_12SP:
case SKINNY_DEVICE_12:
/* 6 rows, 2 columns */
for (i = 0; i < 2; i++)
(btn++)->buttonDefinition = BT_LINE;
(btn++)->buttonDefinition = BT_REDIAL;
for (i = 0; i < 3; i++)
(btn++)->buttonDefinition = BT_SPEEDDIAL;
(btn++)->buttonDefinition = BT_HOLD;
(btn++)->buttonDefinition = BT_TRANSFER;
(btn++)->buttonDefinition = BT_FORWARDALL;
(btn++)->buttonDefinition = BT_CALLPARK;
(btn++)->buttonDefinition = BT_VOICEMAIL;
(btn++)->buttonDefinition = BT_CONFERENCE;
break;
case SKINNY_DEVICE_7910:
(btn++)->buttonDefinition = BT_LINE;
(btn++)->buttonDefinition = BT_HOLD;
(btn++)->buttonDefinition = BT_TRANSFER;
(btn++)->buttonDefinition = BT_DISPLAY;
(btn++)->buttonDefinition = BT_VOICEMAIL;
(btn++)->buttonDefinition = BT_CONFERENCE;
(btn++)->buttonDefinition = BT_FORWARDALL;
for (i = 0; i < 2; i++)
(btn++)->buttonDefinition = BT_SPEEDDIAL;
(btn++)->buttonDefinition = BT_REDIAL;
break;
case SKINNY_DEVICE_7960:
case SKINNY_DEVICE_7961:
case SKINNY_DEVICE_7961GE:
for (i = 0; i < 6; i++)
(btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
break;
case SKINNY_DEVICE_7940:
case SKINNY_DEVICE_7941:
case SKINNY_DEVICE_7941GE:
for (i = 0; i < 2; i++)
(btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
break;
case SKINNY_DEVICE_7935:
case SKINNY_DEVICE_7936:
for (i = 0; i < 2; i++)
(btn++)->buttonDefinition = BT_LINE;
break;
case SKINNY_DEVICE_ATA186:
(btn++)->buttonDefinition = BT_LINE;
break;
case SKINNY_DEVICE_7970:
case SKINNY_DEVICE_7971:
case SKINNY_DEVICE_CIPC:
for (i = 0; i < 8; i++)
(btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
break;
case SKINNY_DEVICE_7985:
/* XXX I have no idea what the buttons look like on these. */
ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
break;
case SKINNY_DEVICE_7912:
case SKINNY_DEVICE_7911:
case SKINNY_DEVICE_7905:
(btn++)->buttonDefinition = BT_LINE;
(btn++)->buttonDefinition = BT_HOLD;
break;
case SKINNY_DEVICE_7920:
/* XXX I don't know if this is right. */
for (i = 0; i < 4; i++)
(btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
break;
case SKINNY_DEVICE_7902:
ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
break;
case SKINNY_DEVICE_SCCPGATEWAY_AN:
case SKINNY_DEVICE_SCCPGATEWAY_BRI:
ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
break;
default:
ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
break;
}
for (a = d->addons; a; a = a->next) {
if (!strcasecmp(a->type, "7914")) {
for (i = 0; i < 14; i++)
(btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
} else {
ast_log(LOG_WARNING, "Unknown addon type '%s' found. Skipping.\n", a->type);
}
}
return btn;
}
static struct skinny_req *req_alloc(size_t size, int response_message)
{
struct skinny_req *req;
if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
return NULL;
req->len = htolel(size+4);
req->e = htolel(response_message);
return req;
}
static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
{
struct skinny_line *l;
for (l = d->lines; l; l = l->next) {
if (l->instance == instance)
break;
}
if (!l) {
ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
}
return l;
}
static struct skinny_line *find_line_by_name(const char *dest)
{
struct skinny_line *l;
struct skinny_device *d;
char line[256];
char *at;
char *device;
ast_copy_string(line, dest, sizeof(line));
at = strchr(line, '@');
if (!at) {
ast_log(LOG_NOTICE, "Device '%s' has no @ (at) sign!\n", dest);
return NULL;
}
*at++ = '\0';
device = at;
ast_mutex_lock(&devicelock);
for (d = devices; d; d = d->next) {
if (!strcasecmp(d->name, device)) {
if (skinnydebug)
ast_verbose("Found device: %s\n", d->name);
/* Found the device */
for (l = d->lines; l; l = l->next) {
/* Search for the right line */
if (!strcasecmp(l->name, line)) {
ast_mutex_unlock(&devicelock);
return l;
}
}
}
}
/* Device not found */
ast_mutex_unlock(&devicelock);
return NULL;
}
/* It's quicker/easier to find the subchannel when we know the instance number too */
static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
{
struct skinny_line *l = find_line_by_instance(d, instance);
struct skinny_subchannel *sub;
if (!l) {
return NULL;
}
for (sub = l->sub; sub; sub = sub->next) {
if (sub->callid == reference)
break;
}
if (!sub) {
ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
}
return sub;
}
/* Find the subchannel when we only have the callid - this shouldn't happen often */
static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
{
struct skinny_line *l;
struct skinny_subchannel *sub = NULL;
for (l = d->lines; l; l = l->next) {
for (sub = l->sub; sub; sub = sub->next) {
if (sub->callid == reference)
break;
}
if (sub)
break;
}
if (!l) {
ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
} else {
if (!sub) {
ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
}
}
return sub;
}
static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance)
{
struct skinny_speeddial *sd;
for (sd = d->speeddials; sd; sd = sd->next) {
if (sd->instance == instance)
break;
}
if (!sd) {
ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
}
return sd;
}
static int codec_skinny2ast(enum skinny_codecs skinnycodec)
{
switch (skinnycodec) {
case SKINNY_CODEC_ALAW:
return AST_FORMAT_ALAW;
case SKINNY_CODEC_ULAW:
return AST_FORMAT_ULAW;
case SKINNY_CODEC_G723_1:
return AST_FORMAT_G723_1;
case SKINNY_CODEC_G729A:
return AST_FORMAT_G729A;
case SKINNY_CODEC_G726_32:
return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
case SKINNY_CODEC_H261:
return AST_FORMAT_H261;
case SKINNY_CODEC_H263:
return AST_FORMAT_H263;
default:
return 0;
}
}
static int codec_ast2skinny(int astcodec)
{
switch (astcodec) {
case AST_FORMAT_ALAW:
return SKINNY_CODEC_ALAW;
case AST_FORMAT_ULAW:
return SKINNY_CODEC_ULAW;
case AST_FORMAT_G723_1:
return SKINNY_CODEC_G723_1;
case AST_FORMAT_G729A:
return SKINNY_CODEC_G729A;
case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
return SKINNY_CODEC_G726_32;
case AST_FORMAT_H261:
return SKINNY_CODEC_H261;
case AST_FORMAT_H263:
return SKINNY_CODEC_H263;
default:
return 0;
}
}
static int skinny_register(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d;
struct sockaddr_in sin;
socklen_t slen;
ast_mutex_lock(&devicelock);
for (d = devices; d; d = d->next) {
if (!strcasecmp(req->data.reg.name, d->id)
&& ast_apply_ha(d->ha, &(s->sin))) {
s->device = d;
d->type = letohl(req->data.reg.type);
if (ast_strlen_zero(d->version_id)) {
ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
}
d->registered = 1;
d->session = s;
slen = sizeof(sin);
if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
ast_log(LOG_WARNING, "Cannot get socket name\n");
sin.sin_addr = __ourip;
}
d->ourip = sin.sin_addr;
break;
}
}
ast_mutex_unlock(&devicelock);
if (!d) {
return 0;
}
return 1;
}
static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d;
d = s->device;
if (d) {
d->session = NULL;
d->registered = 0;
}
return -1; /* main loop will destroy the session */
}
static int transmit_response(struct skinnysession *s, struct skinny_req *req)
{
int res = 0;
ast_mutex_lock(&s->lock);
if (skinnydebug)
ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
return -1;
}
memset(s->outbuf,0,sizeof(s->outbuf));
memcpy(s->outbuf, req, skinny_header_size);
memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
res = write(s->fd, s->outbuf, letohl(req->len)+8);
if (res != letohl(req->len)+8) {
ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
if (res == -1) {
if (skinnydebug)
ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
skinny_unregister(NULL, s);
}
}
ast_mutex_unlock(&s->lock);
return 1;
}
static void transmit_speaker_mode(struct skinnysession *s, int mode)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
return;
req->data.setspeaker.mode = htolel(mode);
transmit_response(s, req);
}
/*
static void transmit_microphone_mode(struct skinnysession *s, int mode)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
return;
req->data.setmicrophone.mode = htolel(mode);
transmit_response(s, req);
}
*/
static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
return;
if (state == SKINNY_ONHOOK) {
transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
}
req->data.callstate.callState = htolel(state);
req->data.callstate.lineInstance = htolel(instance);
req->data.callstate.callReference = htolel(callid);
transmit_response(s, req);
if (state == SKINNY_OFFHOOK) {
if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
return;
req->data.activatecallplane.lineInstance = htolel(instance);
transmit_response(s, req);
} else if (state == SKINNY_ONHOOK) {
if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
return;
req->data.activatecallplane.lineInstance = htolel(instance);
transmit_response(s, req);
if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
return;
req->data.closereceivechannel.conferenceId = 0;
req->data.closereceivechannel.partyId = htolel(callid);
transmit_response(s, req);
if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
return;
req->data.stopmedia.conferenceId = 0;
req->data.stopmedia.passThruPartyId = htolel(callid);
transmit_response(s, req);
}
}
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)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
return;
if (fromname) {
ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
}
if (fromnum) {
ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
}
if (toname) {
ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
}
if (tonum) {
ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
}
req->data.callinfo.instance = htolel(instance);
req->data.callinfo.reference = htolel(callid);
req->data.callinfo.type = htolel(calltype);
transmit_response(s, req);
}
static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
{
struct skinny_req *req;
struct skinny_line *l = sub->parent;
struct ast_format_list fmt;
if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
return;
fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
req->data.openreceivechannel.conferenceId = htolel(0);
req->data.openreceivechannel.partyId = htolel(sub->callid);
req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
req->data.openreceivechannel.echo = htolel(0);
req->data.openreceivechannel.bitrate = htolel(0);
transmit_response(s, req);
}
static void transmit_tone(struct skinnysession *s, int tone)
{
struct skinny_req *req;
if (tone == SKINNY_NOTONE) {
/* This is bad, mmm'kay? */
return;
}
if (tone > 0) {
if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
return;
} else {
if (!(req = req_alloc(0, STOP_TONE_MESSAGE)))
return;
}
if (tone > 0) {
req->data.starttone.tone = htolel(tone);
}
transmit_response(s, req);
}
static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
return;
req->data.selectsoftkey.instance = htolel(instance);
req->data.selectsoftkey.reference = htolel(callid);
req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
transmit_response(s, req);
}
static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
return;
req->data.setlamp.stimulus = htolel(stimulus);
req->data.setlamp.stimulusInstance = htolel(instance);
req->data.setlamp.deviceStimulus = htolel(indication);
transmit_response(s, req);
}
static void transmit_ringer_mode(struct skinnysession *s, int mode)
{
struct skinny_req *req;
if (skinnydebug)
ast_verbose("Setting ringer mode to '%d'.\n", mode);
if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
return;
req->data.setringer.ringerMode = htolel(mode);
/* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
Note: The phone will always show as ringing on the display.
1: phone will audibly ring over and over
2: phone will audibly ring only once
any other value, will NOT cause the phone to audibly ring
*/
req->data.setringer.unknown1 = htolel(1);
/* XXX the value here doesn't seem to change anything. Must be higher than 0.
Perhaps a packet capture can shed some light on this. */
req->data.setringer.unknown2 = htolel(1);
transmit_response(s, req);
}
static void transmit_displaymessage(struct skinnysession *s, const char *text)
{
struct skinny_req *req;
if (text == 0) {
if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
return;
if (skinnydebug)
ast_verbose("Clearing Display\n");
} else {
if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
return;
ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
if (skinnydebug)
ast_verbose("Displaying message '%s'\n", req->data.displaytext.text);
}
transmit_response(s, req);
}
static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
return;
ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
req->data.displaynotify.displayTimeout = htolel(t);
if (skinnydebug)
ast_verbose("Displaying notify '%s'\n", text);
transmit_response(s, req);
}
static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
return;
ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
req->data.displaypromptstatus.messageTimeout = htolel(t);
req->data.displaypromptstatus.lineInstance = htolel(instance);
req->data.displaypromptstatus.callReference = htolel(callid);
if (skinnydebug)
ast_verbose("Displaying Prompt Status '%s'\n", text);
transmit_response(s, req);
}
static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
{
struct skinny_req *req;
if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
return;
ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
req->data.dialednumber.lineInstance = htolel(instance);
req->data.dialednumber.callReference = htolel(callid);
transmit_response(s, req);
}
/*
static int has_voicemail(struct skinny_line *l)
{
return ast_app_has_voicemail(l->mailbox, NULL);
}
*/
static void do_housekeeping(struct skinnysession *s)
{
/*
int new;
int old;
struct skinny_device *d = s->device;
struct skinny_line *l;
*/
transmit_displaymessage(s, NULL);
/*
for (l = d->lines; l; l = l->next) {
if (has_voicemail(l)) {
if (skinnydebug)
ast_verbose("Checking for voicemail Skinny %s@%s\n", l->name, d->name);
ast_app_inboxcount(l->mailbox, &new, &old);
if (skinnydebug)
ast_verbose("Skinny %s@%s has voicemail!\n", l->name, d->name);
transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
} else {
transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
}
}
*/
}
/* I do not believe skinny can deal with video.
Anyone know differently? */
/* Yes, it can. Currently 7985 and Cisco VT Advantage do video. */
static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
{
struct skinny_subchannel *sub = NULL;
if (!(sub = c->tech_pvt) || !(sub->vrtp))
return AST_RTP_GET_FAILED;
*rtp = sub->vrtp;
return AST_RTP_TRY_NATIVE;
}
static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
{
struct skinny_subchannel *sub = NULL;
if (!(sub = c->tech_pvt) || !(sub->rtp))
return AST_RTP_GET_FAILED;
*rtp = sub->rtp;
return AST_RTP_TRY_NATIVE;
}
static int skinny_set_rtp_peer(struct ast_channel *c, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active)
{
struct skinny_subchannel *sub;
sub = c->tech_pvt;
if (sub) {
/* transmit_modify_with_sdp(sub, rtp); @@FIXME@@ if needed */
return 0;
}
return -1;
}
static struct ast_rtp_protocol skinny_rtp = {
.type = "Skinny",
.get_rtp_info = skinny_get_rtp_peer,
.get_vrtp_info = skinny_get_vrtp_peer,
.set_rtp_peer = skinny_set_rtp_peer,
};
static int skinny_do_debug(int fd, int argc, char *argv[])
{
if (argc != 3) {
return RESULT_SHOWUSAGE;
}
skinnydebug = 1;
ast_cli(fd, "Skinny Debugging Enabled\n");
return RESULT_SUCCESS;
}
static int skinny_no_debug(int fd, int argc, char *argv[])
{
if (argc != 4) {
return RESULT_SHOWUSAGE;
}
skinnydebug = 0;
ast_cli(fd, "Skinny Debugging Disabled\n");
return RESULT_SUCCESS;
}
static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
{
struct skinny_device *d;
char *result = NULL;
int wordlen = strlen(word);
int which = 0;
if (pos == 2) {
for (d = devices; d && !result; d = d->next) {
if (!strncasecmp(word, d->id, wordlen) && ++which > state)
result = ast_strdup(d->id);
}
}
return result;
}
static int skinny_reset_device(int fd, int argc, char *argv[])
{
struct skinny_device *d;
struct skinny_req *req;
if (argc < 3 || argc > 4) {
return RESULT_SHOWUSAGE;
}
ast_mutex_lock(&devicelock);
for (d = devices; d; d = d->next) {
int fullrestart = 0;
if (!strcasecmp(argv[2], d->id) || !strcasecmp(argv[2], "all")) {
if (!(d->session))
continue;
if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
continue;
if (argc == 4 && !strcasecmp(argv[3], "restart"))
fullrestart = 1;
if (fullrestart)
req->data.reset.resetType = 2;
else
req->data.reset.resetType = 1;
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
transmit_response(d->session, req);
}
}
ast_mutex_unlock(&devicelock);
return RESULT_SUCCESS;
}
static char *device2str(int type)
{
char *tmp;
switch (type) {
case SKINNY_DEVICE_NONE:
return "No Device";
case SKINNY_DEVICE_30SPPLUS:
return "30SP Plus";
case SKINNY_DEVICE_12SPPLUS:
return "12SP Plus";
case SKINNY_DEVICE_12SP:
return "12SP";
case SKINNY_DEVICE_12:
return "12";
case SKINNY_DEVICE_30VIP:
return "30VIP";
case SKINNY_DEVICE_7910:
return "7910";
case SKINNY_DEVICE_7960:
return "7960";
case SKINNY_DEVICE_7940:
return "7940";
case SKINNY_DEVICE_7935:
return "7935";
case SKINNY_DEVICE_ATA186:
return "ATA186";
case SKINNY_DEVICE_7941:
return "7941";
case SKINNY_DEVICE_7971:
return "7971";
case SKINNY_DEVICE_7985:
return "7985";
case SKINNY_DEVICE_7911:
return "7911";
case SKINNY_DEVICE_7961GE:
return "7961GE";
case SKINNY_DEVICE_7941GE:
return "7941GE";
case SKINNY_DEVICE_7905:
return "7905";
case SKINNY_DEVICE_7920:
return "7920";
case SKINNY_DEVICE_7970:
return "7970";
case SKINNY_DEVICE_7912:
return "7912";
case SKINNY_DEVICE_7902:
return "7902";
case SKINNY_DEVICE_CIPC:
return "IP Communicator";
case SKINNY_DEVICE_7961:
return "7961";
case SKINNY_DEVICE_7936:
return "7936";
case SKINNY_DEVICE_SCCPGATEWAY_AN:
return "SCCPGATEWAY_AN";
case SKINNY_DEVICE_SCCPGATEWAY_BRI:
return "SCCPGATEWAY_BRI";
case SKINNY_DEVICE_UNKNOWN:
return "Unknown";
default:
if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
return "Unknown";
snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
return tmp;
}
}
static int skinny_show_devices(int fd, int argc, char *argv[])
{
struct skinny_device *d;
struct skinny_line *l;
int numlines = 0;
if (argc != 3) {
return RESULT_SHOWUSAGE;
}
ast_mutex_lock(&devicelock);
ast_cli(fd, "Name DeviceId IP Type R NL\n");
ast_cli(fd, "-------------------- ---------------- --------------- --------------- - --\n");
for (d = devices; d; d = d->next) {
numlines = 0;
for (l = d->lines; l; l = l->next) {
numlines++;
}
ast_cli(fd, "%-20s %-16s %-15s %-15s %c %2d\n",
d->name,
d->id,
d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
device2str(d->type),
d->registered?'Y':'N',
numlines);
}
ast_mutex_unlock(&devicelock);
return RESULT_SUCCESS;
}
static int skinny_show_lines(int fd, int argc, char *argv[])
{
struct skinny_device *d;
struct skinny_line *l;
if (argc != 3) {
return RESULT_SHOWUSAGE;
}
ast_mutex_lock(&devicelock);
ast_cli(fd, "Device Name Instance Name Label \n");
ast_cli(fd, "-------------------- -------- -------------------- --------------------\n");
for (d = devices; d; d = d->next) {
for (l = d->lines; l; l = l->next) {
ast_cli(fd, "%-20s %8d %-20s %-20s\n",
d->name,
l->instance,
l->name,
l->label);
}
}
ast_mutex_unlock(&devicelock);
return RESULT_SUCCESS;
}
static const char show_devices_usage[] =
"Usage: skinny show devices\n"
" Lists all devices known to the Skinny subsystem.\n";
static const char show_lines_usage[] =
"Usage: skinny show lines\n"
" Lists all lines known to the Skinny subsystem.\n";
static const char debug_usage[] =
"Usage: skinny set debug\n"
" Enables dumping of Skinny packets for debugging purposes\n";
static const char no_debug_usage[] =
"Usage: skinny set debug off\n"
" Disables dumping of Skinny packets for debugging purposes\n";
static const char reset_usage[] =
"Usage: skinny reset <DeviceId|all> [restart]\n"
" Causes a Skinny device to reset itself, optionally with a full restart\n";
static struct ast_cli_entry cli_skinny[] = {
{ { "skinny", "show", "devices", NULL },
skinny_show_devices, "List defined Skinny devices",
show_devices_usage },
{ { "skinny", "show", "lines", NULL },
skinny_show_lines, "List defined Skinny lines per device",
show_lines_usage },
{ { "skinny", "set", "debug", NULL },
skinny_do_debug, "Enable Skinny debugging",
debug_usage },
{ { "skinny", "set", "debug", "off", NULL },
skinny_no_debug, "Disable Skinny debugging",
no_debug_usage },
{ { "skinny", "reset", NULL },
skinny_reset_device, "Reset Skinny device(s)",
reset_usage, complete_skinny_reset },
};
#if 0
static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
{
return NULL;
}
#endif
static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
{
struct skinny_device *d;
struct skinny_line *l;
struct skinny_speeddial *sd;
struct skinny_addon *a;
int lineInstance = 1;
int speeddialInstance = 1;
int y = 0;
if (!(d = ast_calloc(1, sizeof(struct skinny_device)))) {
return NULL;
} else {
ast_copy_string(d->name, cat, sizeof(d->name));
d->lastlineinstance = 1;
d->capability = default_capability;
d->prefs = default_prefs;
while(v) {
if (!strcasecmp(v->name, "host")) {
if (ast_get_ip(&d->addr, v->value)) {
free(d);
return NULL;
}
} else if (!strcasecmp(v->name, "port")) {
d->addr.sin_port = htons(atoi(v->value));
} else if (!strcasecmp(v->name, "device")) {
ast_copy_string(d->id, v->value, sizeof(d->id));
} else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
d->ha = ast_append_ha(v->name, v->value, d->ha, NULL);
} else if (!strcasecmp(v->name, "context")) {
ast_copy_string(context, v->value, sizeof(context));
} else if (!strcasecmp(v->name, "allow")) {
ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
} else if (!strcasecmp(v->name, "disallow")) {
ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
} else if (!strcasecmp(v->name, "version")) {
ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
} else if (!strcasecmp(v->name, "nat")) {
nat = ast_true(v->value);
} else if (!strcasecmp(v->name, "callerid")) {
if (!strcasecmp(v->value, "asreceived")) {
cid_num[0] = '\0';
cid_name[0] = '\0';
} else {
ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
}
} else if (!strcasecmp(v->name, "language")) {
ast_copy_string(language, v->value, sizeof(language));
} else if (!strcasecmp(v->name, "accountcode")) {
ast_copy_string(accountcode, v->value, sizeof(accountcode));
} else if (!strcasecmp(v->name, "amaflags")) {
y = ast_cdr_amaflags2int(v->value);
if (y < 0) {
ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
} else {
amaflags = y;
}
} else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
} else if (!strcasecmp(v->name, "mohsuggest")) {
ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
} else if (!strcasecmp(v->name, "callgroup")) {
cur_callergroup = ast_get_group(v->value);
} else if (!strcasecmp(v->name, "pickupgroup")) {
cur_pickupgroup = ast_get_group(v->value);
} else if (!strcasecmp(v->name, "immediate")) {
immediate = ast_true(v->value);
} else if (!strcasecmp(v->name, "cancallforward")) {
cancallforward = ast_true(v->value);
} else if (!strcasecmp(v->name, "mailbox")) {
ast_copy_string(mailbox, v->value, sizeof(mailbox));
} else if (!strcasecmp(v->name, "callreturn")) {
callreturn = ast_true(v->value);
} else if (!strcasecmp(v->name, "callwaiting")) {
callwaiting = ast_true(v->value);
} else if (!strcasecmp(v->name, "transfer")) {
transfer = ast_true(v->value);
} else if (!strcasecmp(v->name, "threewaycalling")) {
threewaycalling = ast_true(v->value);
} else if (!strcasecmp(v->name, "mwiblink")) {
mwiblink = ast_true(v->value);
} else if (!strcasecmp(v->name, "linelabel")) {
ast_copy_string(linelabel, v->value, sizeof(linelabel));
} else if (!strcasecmp(v->name, "speeddial")) {
if (!(sd = ast_calloc(1, sizeof(struct skinny_speeddial)))) {
return NULL;
} else {
char *stringp, *exten, *label;
stringp = v->value;
exten = strsep(&stringp, ",");
label = strsep(&stringp, ",");
ast_mutex_init(&sd->lock);
ast_copy_string(sd->exten, exten, sizeof(sd->exten));
if (label)
ast_copy_string(sd->label, label, sizeof(sd->label));
else
ast_copy_string(sd->label, exten, sizeof(sd->label));
sd->instance = speeddialInstance++;
sd->next = d->speeddials;
d->speeddials = sd;
}
} else if (!strcasecmp(v->name, "addon")) {
if (!(a = ast_calloc(1, sizeof(struct skinny_addon)))) {
return NULL;
} else {
ast_mutex_init(&a->lock);
ast_copy_string(a->type, v->value, sizeof(a->type));
a->next = d->addons;
d->addons = a;
}
} else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
if (!(l = ast_calloc(1, sizeof(struct skinny_line)))) {
return NULL;
} else {
ast_mutex_init(&l->lock);
ast_copy_string(l->name, v->value, sizeof(l->name));
/* XXX Should we check for uniqueness?? XXX */
ast_copy_string(l->context, context, sizeof(l->context));
ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
ast_copy_string(l->label, linelabel, sizeof(l->label));
ast_copy_string(l->language, language, sizeof(l->language));
ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
if (!ast_strlen_zero(mailbox)) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
}
l->msgstate = -1;
l->capability = d->capability;
l->prefs = d->prefs;
l->parent = d;
if (!strcasecmp(v->name, "trunk")) {
l->type = TYPE_TRUNK;
} else {
l->type = TYPE_LINE;
}
l->immediate = immediate;
l->callgroup = cur_callergroup;
l->pickupgroup = cur_pickupgroup;
l->callreturn = callreturn;
l->cancallforward = cancallforward;
l->callwaiting = callwaiting;
l->transfer = transfer;
l->threewaycalling = threewaycalling;
l->mwiblink = mwiblink;
l->onhooktime = time(NULL);
l->instance = lineInstance++;
/* ASSUME we're onhook at this point */
l->hookstate = SKINNY_ONHOOK;
l->nat = nat;
l->next = d->lines;
d->lines = l;
}
} else {
ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
}
v = v->next;
}
if (!d->lines) {
ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
return NULL;
}
if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
}
#if 0
/* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
if (d->addr.sin_addr.s_addr) {
/* XXX See note above, in 'host' option. */
if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
d->ourip = __ourip;
}
} else {
d->ourip = __ourip;
}
#endif
}
return d;
}
static void start_rtp(struct skinny_subchannel *sub)
{
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
int hasvideo = 0;
ast_mutex_lock(&sub->lock);
/* Allocate the RTP */
sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
if (hasvideo)
sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
if (sub->rtp && sub->owner) {
sub->owner->fds[0] = ast_rtp_fd(sub->rtp);
sub->owner->fds[1] = ast_rtcp_fd(sub->rtp);
}
if (hasvideo && sub->vrtp && sub->owner) {
sub->owner->fds[2] = ast_rtp_fd(sub->vrtp);
sub->owner->fds[3] = ast_rtcp_fd(sub->vrtp);
}
if (sub->rtp) {
ast_rtp_setnat(sub->rtp, l->nat);
}
if (sub->vrtp) {
ast_rtp_setnat(sub->vrtp, l->nat);
}
/* Set Frame packetization */
if (sub->rtp)
ast_rtp_codec_setpref(sub->rtp, &l->prefs);
/* Create the RTP connection */
transmit_connect(d->session, sub);
ast_mutex_unlock(&sub->lock);
}
static void *skinny_newcall(void *data)
{
struct ast_channel *c = data;
struct skinny_subchannel *sub = c->tech_pvt;
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
struct skinnysession *s = d->session;
int res = 0;
ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
ast_set_callerid(c,
l->hidecallerid ? "" : l->cid_num,
l->hidecallerid ? "" : l->cid_name,
c->cid.cid_ani ? NULL : l->cid_num);
ast_setstate(c, AST_STATE_RING);
res = ast_pbx_run(c);
if (res) {
ast_log(LOG_WARNING, "PBX exited non-zero\n");
transmit_tone(s, SKINNY_REORDER);
}
return NULL;
}
static void *skinny_ss(void *data)
{
struct ast_channel *c = data;
struct skinny_subchannel *sub = c->tech_pvt;
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
struct skinnysession *s = d->session;
char exten[AST_MAX_EXTENSION] = "";
int len = 0;
int timeout = firstdigittimeout;
int res;
int getforward=0;
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "Starting simple switch on '%s@%s'\n", l->name, d->name);
while (len < AST_MAX_EXTENSION-1) {
res = ast_waitfordigit(c, timeout);
timeout = 0;
if (res < 0) {
if (skinnydebug)
ast_verbose("Skinny(%s@%s): waitfordigit returned < 0\n", l->name, d->name);
ast_indicate(c, -1);
ast_hangup(c);
return NULL;
} else if (res) {
exten[len++]=res;
exten[len] = '\0';
}
if (!ast_ignore_pattern(c->context, exten)) {
transmit_tone(s, SKINNY_SILENCE);
}
if (ast_exists_extension(c, c->context, exten, 1, l->cid_num)) {
if (!res || !ast_matchmore_extension(c, c->context, exten, 1, l->cid_num)) {
if (getforward) {
/* Record this as the forwarding extension */
ast_copy_string(l->call_forward, exten, sizeof(l->call_forward));
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n",
l->call_forward, c->name);
transmit_tone(s, SKINNY_DIALTONE);
if (res) {
break;
}
ast_safe_sleep(c, 500);
ast_indicate(c, -1);
ast_safe_sleep(c, 1000);
memset(exten, 0, sizeof(exten));
transmit_tone(s, SKINNY_DIALTONE);
len = 0;
getforward = 0;
} else {
ast_copy_string(c->exten, exten, sizeof(c->exten));
ast_copy_string(l->lastnumberdialed, exten, sizeof(l->lastnumberdialed));
skinny_newcall(c);
return NULL;
}
} else {
/* It's a match, but they just typed a digit, and there is an ambiguous match,
so just set the timeout to matchdigittimeout and wait some more */
timeout = matchdigittimeout;
}
} else if (res == 0) {
if (option_debug)
ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
transmit_tone(s, SKINNY_REORDER);
ast_hangup(c);
return NULL;
} else if (!ast_canmatch_extension(c, c->context, exten, 1, c->cid.cid_num) &&
((exten[0] != '*') || (!ast_strlen_zero(exten) > 2))) {
ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", exten, c->cid.cid_num ? c->cid.cid_num : "<Unknown Caller>", c->context);
transmit_tone(s, SKINNY_REORDER);
/* hang out for 3 seconds to let congestion play */
ast_safe_sleep(c, 3000);
break;
}
if (!timeout) {
timeout = gendigittimeout;
}
if (len && !ast_ignore_pattern(c->context, exten)) {
ast_indicate(c, -1);
}
}
ast_hangup(c);
return NULL;
}
static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
{
int res = 0;
int tone = 0;
struct skinny_subchannel *sub = ast->tech_pvt;
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
struct skinnysession *s = d->session;
if (!d->registered) {
ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
return -1;
}
if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
return -1;
}
if (skinnydebug)
ast_verbose(VERBOSE_PREFIX_3 "skinny_call(%s)\n", ast->name);
if (l->dnd) {
ast_queue_control(ast, AST_CONTROL_BUSY);
return -1;
}
switch (l->hookstate) {
case SKINNY_OFFHOOK:
tone = SKINNY_CALLWAITTONE;
break;
case SKINNY_ONHOOK:
tone = SKINNY_ALERT;
break;
default:
ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
break;
}
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
transmit_ringer_mode(s, SKINNY_RING_INSIDE);
transmit_tone(s, tone);
transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
ast_setstate(ast, AST_STATE_RINGING);
ast_queue_control(ast, AST_CONTROL_RINGING);
sub->outgoing = 1;
return res;
}
static int skinny_hangup(struct ast_channel *ast)
{
struct skinny_subchannel *sub = ast->tech_pvt;
struct skinny_line *l;
struct skinny_device *d;
struct skinnysession *s;
if (!sub) {
if (option_debug)
ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n");
return 0;
}
l = sub->parent;
d = l->parent;
s = d->session;
if (skinnydebug)
ast_verbose("skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
if (d->registered) {
if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
l->hookstate = SKINNY_ONHOOK;
transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
} else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
transmit_ringer_mode(s, SKINNY_RING_OFF);
transmit_tone(s, SKINNY_SILENCE);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
do_housekeeping(s);
}
}
ast_mutex_lock(&sub->lock);
sub->owner = NULL;
ast->tech_pvt = NULL;
sub->alreadygone = 0;
sub->outgoing = 0;
if (sub->rtp) {
ast_rtp_destroy(sub->rtp);
sub->rtp = NULL;
}
ast_mutex_unlock(&sub->lock);
return 0;
}
static int skinny_answer(struct ast_channel *ast)
{
int res = 0;
struct skinny_subchannel *sub = ast->tech_pvt;
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
struct skinnysession *s = d->session;
sub->cxmode = SKINNY_CX_SENDRECV;
if (!sub->rtp) {
start_rtp(sub);
}
if (skinnydebug)
ast_verbose("skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
if (ast->_state != AST_STATE_UP) {
ast_setstate(ast, AST_STATE_UP);
}
transmit_tone(s, SKINNY_SILENCE);
/* order matters here...
for some reason, transmit_callinfo must be before transmit_callstate,
or you won't get keypad messages in some situations. */
transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, ast->exten, ast->exten, l->instance, sub->callid, 2);
transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
return res;
}
/* Retrieve audio/etc from channel. Assumes sub->lock is already held. */
static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
{
struct ast_channel *ast = sub->owner;
struct ast_frame *f;
if (!sub->rtp) {
/* We have no RTP allocated for this channel */
return &ast_null_frame;
}
switch(ast->fdno) {
case 0:
f = ast_rtp_read(sub->rtp); /* RTP Audio */
break;
case 1:
f = ast_rtcp_read(sub->rtp); /* RTCP Control Channel */
break;
case 2:
f = ast_rtp_read(sub->vrtp); /* RTP Video */
break;
case 3:
f = ast_rtcp_read(sub->vrtp); /* RTCP Control Channel for video */
break;
#if 0
case 5:
/* Not yet supported */
f = ast_udptl_read(sub->udptl); /* UDPTL for T.38 */
break;
#endif
default:
f = &ast_null_frame;
}
if (ast) {
/* We already hold the channel lock */
if (f->frametype == AST_FRAME_VOICE) {
if (f->subclass != ast->nativeformats) {
if (option_debug)
ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
ast->nativeformats = f->subclass;
ast_set_read_format(ast, ast->readformat);
ast_set_write_format(ast, ast->writeformat);
}
}
}
return f;
}
static struct ast_frame *skinny_read(struct ast_channel *ast)
{
struct ast_frame *fr;
struct skinny_subchannel *sub = ast->tech_pvt;
ast_mutex_lock(&sub->lock);
fr = skinny_rtp_read(sub);
ast_mutex_unlock(&sub->lock);
return fr;
}
static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
{
struct skinny_subchannel *sub = ast->tech_pvt;
int res = 0;
if (frame->frametype != AST_FRAME_VOICE) {
if (frame->frametype == AST_FRAME_IMAGE) {
return 0;
} else {
ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
return 0;
}
} else {
if (!(frame->subclass & ast->nativeformats)) {
ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
return -1;
}
}
if (sub) {
ast_mutex_lock(&sub->lock);
if (sub->rtp) {
res = ast_rtp_write(sub->rtp, frame);
}
ast_mutex_unlock(&sub->lock);
}
return res;
}
static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
{
struct skinny_subchannel *sub = newchan->tech_pvt;
ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
if (sub->owner != oldchan) {
ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
return -1;
}
sub->owner = newchan;
return 0;
}
static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
{
return -1; /* Start inband indications */
}
static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
{
#if 0
struct skinny_subchannel *sub = ast->tech_pvt;
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
int tmp;
/* not right */
sprintf(tmp, "%d", digit);
transmit_tone(d->session, digit);
#endif
return -1; /* Stop inband indications */
}
static char *control2str(int ind) {
char *tmp;
switch (ind) {
case AST_CONTROL_HANGUP:
return "Other end has hungup";
case AST_CONTROL_RING:
return "Local ring";
case AST_CONTROL_RINGING:
return "Remote end is ringing";
case AST_CONTROL_ANSWER:
return "Remote end has answered";
case AST_CONTROL_BUSY:
return "Remote end is busy";
case AST_CONTROL_TAKEOFFHOOK:
return "Make it go off hook";
case AST_CONTROL_OFFHOOK:
return "Line is off hook";
case AST_CONTROL_CONGESTION:
return "Congestion (circuits busy)";
case AST_CONTROL_FLASH:
return "Flash hook";
case AST_CONTROL_WINK:
return "Wink";
case AST_CONTROL_OPTION:
return "Set a low-level option";
case AST_CONTROL_RADIO_KEY:
return "Key Radio";
case AST_CONTROL_RADIO_UNKEY:
return "Un-Key Radio";
case AST_CONTROL_PROGRESS:
return "Remote end is making Progress";
case AST_CONTROL_PROCEEDING:
return "Remote end is proceeding";
case AST_CONTROL_HOLD:
return "Hold";
case AST_CONTROL_UNHOLD:
return "Unhold";
case -1:
return "Stop tone";
default:
if (!(tmp = ast_threadstorage_get(&control2str_threadbuf, CONTROL2STR_BUFSIZE)))
return "Unknown";
snprintf(tmp, CONTROL2STR_BUFSIZE, "UNKNOWN-%d", ind);
return tmp;
}
}
static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
{
struct skinny_subchannel *sub = ast->tech_pvt;
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
struct skinnysession *s = d->session;
if (skinnydebug)
ast_verbose(VERBOSE_PREFIX_3 "Asked to indicate '%s' condition on channel %s\n", control2str(ind), ast->name);
switch(ind) {
case AST_CONTROL_RINGING:
if (ast->_state != AST_STATE_UP) {
if (!sub->progress) {
transmit_tone(s, SKINNY_ALERT);
transmit_callstate(s, l->instance, SKINNY_RINGOUT, sub->callid);
transmit_dialednumber(s, ast->exten, l->instance, sub->callid);
transmit_displaypromptstatus(s, "Ring Out", 0, l->instance, sub->callid);
transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, ast->exten, ast->exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
sub->ringing = 1;
break;
}
}
return -1;
case AST_CONTROL_BUSY:
if (ast->_state != AST_STATE_UP) {
transmit_tone(s, SKINNY_BUSYTONE);
transmit_callstate(s, l->instance, SKINNY_BUSY, sub->callid);
sub->alreadygone = 1;
ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
break;
}
return -1;
case AST_CONTROL_CONGESTION:
if (ast->_state != AST_STATE_UP) {
transmit_tone(s, SKINNY_REORDER);
transmit_callstate(s, l->instance, SKINNY_CONGESTION, sub->callid);
sub->alreadygone = 1;
ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
break;
}
return -1;
case AST_CONTROL_PROGRESS:
if ((ast->_state != AST_STATE_UP) && !sub->progress && !sub->outgoing) {
transmit_tone(s, SKINNY_ALERT);
transmit_callstate(s, l->instance, SKINNY_PROGRESS, sub->callid);
transmit_displaypromptstatus(s, "Call Progress", 0, l->instance, sub->callid);
transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, ast->exten, ast->exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
sub->progress = 1;
break;
}
return -1;
case -1:
transmit_tone(s, SKINNY_SILENCE);
break;
case AST_CONTROL_HOLD:
ast_moh_start(ast, data, l->mohinterpret);
break;
case AST_CONTROL_UNHOLD:
ast_moh_stop(ast);
break;
case AST_CONTROL_PROCEEDING:
break;
default:
ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind);
return -1;
}
return 0;
}
static struct ast_channel *skinny_new(struct skinny_line *l, int state)
{
struct ast_channel *tmp;
struct skinny_subchannel *sub;
struct skinny_device *d = l->parent;
int fmt;
tmp = ast_channel_alloc(1, state, l->cid_num, l->cid_name, "Skinny/%s@%s-%d", l->name, d->name, callnums);
if (!tmp) {
ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
return NULL;
} else {
sub = ast_calloc(1, sizeof(struct skinny_subchannel));
if (!sub) {
ast_log(LOG_WARNING, "Unable to allocate Skinny subchannel\n");
return NULL;
} else {
ast_mutex_init(&sub->lock);
sub->owner = tmp;
sub->callid = callnums++;
d->lastlineinstance = l->instance;
d->lastcallreference = sub->callid;
sub->cxmode = SKINNY_CX_INACTIVE;
sub->nat = l->nat;
sub->parent = l;
sub->onhold = 0;
sub->next = l->sub;
l->sub = sub;
}
tmp->tech = &skinny_tech;
tmp->tech_pvt = sub;
tmp->nativeformats = l->capability;
if (!tmp->nativeformats)
tmp->nativeformats = default_capability;
fmt = ast_best_codec(tmp->nativeformats);
if (skinnydebug)
ast_verbose("skinny_new: tmp->nativeformats=%d fmt=%d\n", tmp->nativeformats, fmt);
if (sub->rtp) {
tmp->fds[0] = ast_rtp_fd(sub->rtp);
}
if (state == AST_STATE_RING) {
tmp->rings = 1;
}
tmp->writeformat = fmt;
tmp->rawwriteformat = fmt;
tmp->readformat = fmt;
tmp->rawreadformat = fmt;
if (!ast_strlen_zero(l->language))
ast_string_field_set(tmp, language, l->language);
if (!ast_strlen_zero(l->accountcode))
ast_string_field_set(tmp, accountcode, l->accountcode);
if (l->amaflags)
tmp->amaflags = l->amaflags;
tmp->callgroup = l->callgroup;
tmp->pickupgroup = l->pickupgroup;
ast_string_field_set(tmp, call_forward, l->call_forward);
ast_copy_string(tmp->context, l->context, sizeof(tmp->context));
ast_copy_string(tmp->exten, l->exten, sizeof(tmp->exten));
/* Don't use ast_set_callerid() here because it will
* generate a needless NewCallerID event */
tmp->cid.cid_num = ast_strdup(l->cid_num);
tmp->cid.cid_ani = ast_strdup(l->cid_num);
tmp->cid.cid_name = ast_strdup(l->cid_name);
tmp->priority = 1;
tmp->adsicpe = AST_ADSI_UNAVAILABLE;
if (sub->rtp)
ast_jb_configure(tmp, &global_jbconf);
if (state != AST_STATE_DOWN) {
if (ast_pbx_start(tmp)) {
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
ast_hangup(tmp);
tmp = NULL;
}
}
}
return tmp;
}
static int skinny_hold(struct skinny_subchannel *sub)
{
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
struct skinnysession *s = d->session;
struct skinny_req *req;
/* Channel needs to be put on hold */
if (skinnydebug)
ast_verbose("Putting on Hold(%d)\n", l->instance);
ast_queue_control_data(sub->owner, AST_CONTROL_HOLD,
S_OR(l->mohsuggest, NULL),
!ast_strlen_zero(l->mohsuggest) ? strlen(l->mohsuggest) + 1 : 0);
if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
return 0;
req->data.activatecallplane.lineInstance = htolel(l->instance);
transmit_response(s, req);
if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
return 0;
req->data.closereceivechannel.conferenceId = htolel(0);
req->data.closereceivechannel.partyId = htolel(sub->callid);
transmit_response(s, req);
if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
return 0;
req->data.stopmedia.conferenceId = htolel(0);
req->data.stopmedia.passThruPartyId = htolel(sub->callid);
transmit_response(s, req);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
sub->onhold = 1;
return 1;
}
static int skinny_unhold(struct skinny_subchannel *sub)
{
struct skinny_line *l = sub->parent;
struct skinny_device *d = l->parent;
struct skinnysession *s = d->session;
struct skinny_req *req;
/* Channel is on hold, so we will unhold */
if (skinnydebug)
ast_verbose("Taking off Hold(%d)\n", l->instance);
ast_queue_control(sub->owner, AST_CONTROL_UNHOLD);
if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
return 0;
req->data.activatecallplane.lineInstance = htolel(l->instance);
transmit_response(s, req);
transmit_connect(s, sub);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
sub->onhold = 0;
return 1;
}
static int handle_keep_alive_message(struct skinny_req *req, struct skinnysession *s)
{
if (!(req = req_alloc(0, KEEP_ALIVE_ACK_MESSAGE)))
return -1;
transmit_response(s, req);
do_housekeeping(s);
return 1;
}
static int handle_register_message(struct skinny_req *req, struct skinnysession *s)
{
char name[16];
int res;
memcpy(&name, req->data.reg.name, sizeof(name));
res = skinny_register(req, s);
if (!res) {
ast_log(LOG_ERROR, "Rejecting Device %s: Device not found\n", name);
if (!(req = req_alloc(sizeof(struct register_rej_message), REGISTER_REJ_MESSAGE)))
return -1;
snprintf(req->data.regrej.errMsg, sizeof(req->data.regrej.errMsg), "No Authority: %s", name);
transmit_response(s, req);
return 0;
}
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Device '%s' successfully registered\n", name);
if (!(req = req_alloc(sizeof(struct register_ack_message), REGISTER_ACK_MESSAGE)))
return -1;
req->data.regack.res[0] = '0';
req->data.regack.res[1] = '\0';
req->data.regack.keepAlive = htolel(keep_alive);
ast_copy_string(req->data.regack.dateTemplate, date_format, sizeof(req->data.regack.dateTemplate));
req->data.regack.res2[0] = '0';
req->data.regack.res2[1] = '\0';
req->data.regack.secondaryKeepAlive = htolel(keep_alive);
transmit_response(s, req);
if (skinnydebug)
ast_verbose("Requesting capabilities\n");
if (!(req = req_alloc(0, CAPABILITIES_REQ_MESSAGE)))
return -1;
transmit_response(s, req);
return res;
}
static int handle_ip_port_message(struct skinny_req *req, struct skinnysession *s)
{
/* no response necessary */
return 1;
}
static int handle_keypad_button_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_subchannel *sub = NULL;
struct skinny_line *l;
struct skinny_device *d = s->device;
struct ast_frame f = { 0, };
char dgt;
int digit;
int lineInstance;
int callReference;
digit = letohl(req->data.keypad.button);
lineInstance = letohl(req->data.keypad.lineInstance);
callReference = letohl(req->data.keypad.callReference);
if (digit == 14) {
dgt = '*';
} else if (digit == 15) {
dgt = '#';
} else if (digit >= 0 && digit <= 9) {
dgt = '0' + digit;
} else {
/* digit=10-13 (A,B,C,D ?), or
* digit is bad value
*
* probably should not end up here, but set
* value for backward compatibility, and log
* a warning.
*/
dgt = '0' + digit;
ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
}
f.subclass = dgt;
f.src = "skinny";
if (lineInstance && callReference)
sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
else
sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
if (!sub)
return 0;
l = sub->parent;
if (sub->owner) {
if (sub->owner->_state == 0) {
f.frametype = AST_FRAME_DTMF_BEGIN;
ast_queue_frame(sub->owner, &f);
}
/* XXX MUST queue this frame to all lines in threeway call if threeway call is active */
f.frametype = AST_FRAME_DTMF_END;
ast_queue_frame(sub->owner, &f);
/* XXX This seriously needs to be fixed */
if (sub->next && sub->next->owner) {
if (sub->owner->_state == 0) {
f.frametype = AST_FRAME_DTMF_BEGIN;
ast_queue_frame(sub->next->owner, &f);
}
f.frametype = AST_FRAME_DTMF_END;
ast_queue_frame(sub->next->owner, &f);
}
} else {
if (skinnydebug)
ast_verbose("No owner: %s\n", l->name);
}
return 1;
}
static int handle_stimulus_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
struct skinny_subchannel *sub;
/*struct skinny_speeddial *sd;*/
struct ast_channel *c;
pthread_t t;
int event;
int instance;
int unknown1;
/*int res = 0;*/
event = letohl(req->data.stimulus.stimulus);
instance = letohl(req->data.stimulus.stimulusInstance);
unknown1 = letohl(req->data.stimulus.unknown1); /* No clue.. */
if (skinnydebug)
ast_verbose("unknown1 in handle_stimulus_message is '%d'\n", unknown1);
sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
if (!sub) {
l = find_line_by_instance(d, d->lastlineinstance);
if (!l) {
return 0;
}
} else {
l = sub->parent;
}
switch(event) {
case STIMULUS_REDIAL:
if (skinnydebug)
ast_verbose("Received Stimulus: Redial(%d)\n", instance);
#if 0
c = skinny_new(l, AST_STATE_DOWN);
if(!c) {
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
} else {
sub = c->tech_pvt;
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
if (skinnydebug)
ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
transmit_displaymessage(s, NULL); /* clear display */
transmit_tone(s, SKINNY_DIALTONE);
if (ast_strlen_zero(l->lastnumberdialed)) {
ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
return 0;
}
if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
transmit_tone(s, SKINNY_SILENCE);
}
ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
ast_hangup(c);
}
}
#endif
break;
case STIMULUS_SPEEDDIAL:
if (skinnydebug)
ast_verbose("Received Stimulus: SpeedDial(%d)\n", instance);
#if 0
if (!(sd = find_speeddial_by_instance(d, instance))) {
return 0;
}
c = skinny_new(l, AST_STATE_DOWN);
if(c) {
sub = c->tech_pvt;
l = sub->parent;
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
if (skinnydebug)
ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
transmit_displaymessage(s, NULL); /* clear display */
transmit_tone(s, SKINNY_DIALTONE);
if (!ast_ignore_pattern(c->context, sd->exten)) {
transmit_tone(s, SKINNY_SILENCE);
}
if (ast_exists_extension(c, c->context, sd->exten, 1, l->cid_num)) {
if (!ast_matchmore_extension(c, c->context, sd->exten, 1, l->cid_num)) {
ast_copy_string(c->exten, sd->exten, sizeof(c->exten));
ast_copy_string(l->lastnumberdialed, sd->exten, sizeof(l->lastnumberdialed));
skinny_newcall(c);
break;
}
}
} else {
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
}
#endif
break;
case STIMULUS_HOLD:
if (skinnydebug)
ast_verbose("Received Stimulus: Hold(%d)\n", instance);
if (sub->onhold) {
skinny_unhold(sub);
} else {
skinny_hold(sub);
}
break;
case STIMULUS_TRANSFER:
if (skinnydebug)
ast_verbose("Received Stimulus: Transfer(%d)\n", instance);
transmit_tone(s, SKINNY_DIALTONE);
/* XXX figure out how to transfer */
break;
case STIMULUS_CONFERENCE:
if (skinnydebug)
ast_verbose("Received Stimulus: Conference(%d)\n", instance);
transmit_tone(s, SKINNY_DIALTONE);
/* XXX determine the best way to pull off a conference. Meetme? */
break;
case STIMULUS_VOICEMAIL:
if (skinnydebug)
ast_verbose("Received Stimulus: Voicemail(%d)\n", instance);
/* XXX Find and dial voicemail extension */
break;
case STIMULUS_CALLPARK:
if (skinnydebug)
ast_verbose("Received Stimulus: Park Call(%d)\n", instance);
/* XXX Park the call */
break;
case STIMULUS_FORWARDALL:
if (skinnydebug)
ast_verbose("Received Stimulus: Forward All(%d)\n", instance);
/* Why is DND under FORWARDALL? */
/* Because it's the same thing. */
/* Do not disturb */
transmit_tone(s, SKINNY_DIALTONE);
if (l->dnd != 0){
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
l->dnd = 0;
transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
transmit_displaynotify(s, "DnD disabled", 10);
} else {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
l->dnd = 1;
transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
transmit_displaynotify(s, "DnD enabled", 10);
}
break;
case STIMULUS_FORWARDBUSY:
if (skinnydebug)
ast_verbose("Received Stimulus: Forward Busy (%d)\n", instance);
break;
case STIMULUS_FORWARDNOANSWER:
if (skinnydebug)
ast_verbose("Received Stimulus: Forward No Answer (%d)\n", instance);
break;
case STIMULUS_DISPLAY:
/* Not sure what this is */
if (skinnydebug)
ast_verbose("Received Stimulus: Display(%d)\n", instance);
break;
case STIMULUS_LINE:
if (skinnydebug)
ast_verbose("Received Stimulus: Line(%d)\n", instance);
l = find_line_by_instance(s->device, instance);
if (!l) {
return 0;
}
/* turn the speaker on */
transmit_speaker_mode(s, SKINNY_SPEAKERON);
transmit_ringer_mode(s, SKINNY_RING_OFF);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
l->hookstate = SKINNY_OFFHOOK;
if (sub && sub->outgoing) {
/* We're answering a ringing call */
ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
transmit_tone(s, SKINNY_SILENCE);
transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
start_rtp(sub);
ast_setstate(sub->owner, AST_STATE_UP);
} else {
if (sub && sub->owner) {
if (option_debug)
ast_log(LOG_DEBUG, "Current subchannel [%s] already has owner\n", sub->owner->name);
} else {
c = skinny_new(l, AST_STATE_DOWN);
if(c) {
sub = c->tech_pvt;
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
if (skinnydebug)
ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
transmit_displaymessage(s, NULL); /* clear display */
transmit_tone(s, SKINNY_DIALTONE);
transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
/* start the switch thread */
if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
ast_hangup(c);
}
} else {
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
}
}
}
break;
default:
if (skinnydebug)
ast_verbose("RECEIVED UNKNOWN STIMULUS: %d(%d)\n", event, instance);
break;
}
return 1;
}
static int handle_offhook_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
struct skinny_subchannel *sub;
struct ast_channel *c;
pthread_t t;
int unknown1;
int unknown2;
unknown1 = letohl(req->data.offhook.unknown1);
unknown2 = letohl(req->data.offhook.unknown2);
sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
if (!sub) {
l = find_line_by_instance(d, d->lastlineinstance);
if (!l) {
return 0;
}
} else {
l = sub->parent;
}
if (sub && sub->onhold) {
transmit_ringer_mode(s, SKINNY_RING_OFF);
l->hookstate = SKINNY_OFFHOOK;
return 1;
}
transmit_ringer_mode(s, SKINNY_RING_OFF);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
l->hookstate = SKINNY_OFFHOOK;
if (sub && sub->outgoing) {
/* We're answering a ringing call */
ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
transmit_tone(s, SKINNY_SILENCE);
transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
start_rtp(sub);
ast_setstate(sub->owner, AST_STATE_UP);
} else {
if (sub && sub->owner) {
if (option_debug)
ast_log(LOG_DEBUG, "Current sub [%s] already has owner\n", sub->owner->name);
} else {
c = skinny_new(l, AST_STATE_DOWN);
if(c) {
sub = c->tech_pvt;
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
if (skinnydebug)
ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
transmit_displaymessage(s, NULL); /* clear display */
transmit_tone(s, SKINNY_DIALTONE);
transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
/* start the switch thread */
if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
ast_hangup(c);
}
} else {
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
}
}
}
return 1;
}
static int handle_onhook_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
struct skinny_subchannel *sub;
int unknown1;
int unknown2;
unknown1 = letohl(req->data.onhook.unknown1);
unknown2 = letohl(req->data.onhook.unknown2);
sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
if (!sub) {
return 0;
}
l = sub->parent;
if (sub->onhold) {
l->hookstate = SKINNY_ONHOOK;
return 0;
}
if (l->hookstate == SKINNY_ONHOOK) {
/* Something else already put us back on hook */
return 0;
}
sub->cxmode = SKINNY_CX_RECVONLY;
l->hookstate = SKINNY_ONHOOK;
transmit_callstate(s, l->instance, l->hookstate, sub->callid);
if (skinnydebug)
ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
/* We're allowed to transfer, we have two active calls and
we made at least one of the calls. Let's try and transfer */
#if 0
if ((res = attempt_transfer(p)) < 0) {
if (sub->next && sub->next->owner) {
sub->next->alreadygone = 1;
ast_queue_hangup(sub->next->owner,1);
}
} else if (res) {
ast_log(LOG_WARNING, "Transfer attempt failed\n");
return 0;
}
#endif
} else {
/* Hangup the current call */
/* If there is another active call, skinny_hangup will ring the phone with the other call */
if (sub->owner) {
sub->alreadygone = 1;
ast_queue_hangup(sub->owner);
} else {
ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
l->name, d->name, sub->callid);
}
}
if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
do_housekeeping(s);
}
return 1;
}
static int handle_capabilities_res_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
int count = 0;
int codecs = 0;
int i;
count = letohl(req->data.caps.count);
for (i = 0; i < count; i++) {
int acodec = 0;
int scodec = 0;
scodec = letohl(req->data.caps.caps[i].codec);
acodec = codec_skinny2ast(scodec);
if (skinnydebug)
ast_verbose("Adding codec capability '%d (%d)'\n", acodec, scodec);
codecs |= acodec;
}
d->capability &= codecs;
ast_verbose("Device capability set to '%d'\n", d->capability);
for (l = d->lines; l; l = l->next) {
ast_mutex_lock(&l->lock);
l->capability = d->capability;
ast_mutex_unlock(&l->lock);
}
return 1;
}
static int handle_speed_dial_stat_req_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_speeddial *sd;
int instance;
instance = letohl(req->data.speeddialreq.speedDialNumber);
sd = find_speeddial_by_instance(d, instance);
if (!sd) {
return 0;
}
if (!(req = req_alloc(sizeof(struct speed_dial_stat_res_message), SPEED_DIAL_STAT_RES_MESSAGE)))
return -1;
req->data.speeddialreq.speedDialNumber = htolel(instance);
snprintf(req->data.speeddial.speedDialDirNumber, sizeof(req->data.speeddial.speedDialDirNumber), sd->exten);
snprintf(req->data.speeddial.speedDialDisplayName, sizeof(req->data.speeddial.speedDialDisplayName), sd->label);
transmit_response(s, req);
return 1;
}
static int handle_line_state_req_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
int instance;
instance = letohl(req->data.line.lineNumber);
ast_mutex_lock(&devicelock);
l = find_line_by_instance(d, instance);
if (!l) {
return 0;
}
ast_mutex_unlock(&devicelock);
if (!(req = req_alloc(sizeof(struct line_stat_res_message), LINE_STAT_RES_MESSAGE)))
return -1;
req->data.linestat.lineNumber = letohl(instance);
memcpy(req->data.linestat.lineDirNumber, l->name,
sizeof(req->data.linestat.lineDirNumber));
memcpy(req->data.linestat.lineDisplayName, l->label,
sizeof(req->data.linestat.lineDisplayName));
transmit_response(s,req);
return 1;
}
static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s)
{
time_t timer;
struct tm *cmtime;
if (!(req = req_alloc(sizeof(struct definetimedate_message), DEFINETIMEDATE_MESSAGE)))
return -1;
timer = time(NULL);
cmtime = localtime(&timer);
req->data.definetimedate.year = htolel(cmtime->tm_year+1900);
req->data.definetimedate.month = htolel(cmtime->tm_mon+1);
req->data.definetimedate.dayofweek = htolel(cmtime->tm_wday);
req->data.definetimedate.day = htolel(cmtime->tm_mday);
req->data.definetimedate.hour = htolel(cmtime->tm_hour);
req->data.definetimedate.minute = htolel(cmtime->tm_min);
req->data.definetimedate.seconds = htolel(cmtime->tm_sec);
transmit_response(s, req);
return 1;
}
static int handle_button_template_req_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
int i;
struct skinny_speeddial *sd;
struct button_definition_template btn[42];
int lineInstance = 1;
int speeddialInstance = 1;
int buttonCount = 0;
if (!(req = req_alloc(sizeof(struct button_template_res_message), BUTTON_TEMPLATE_RES_MESSAGE)))
return -1;
memset(&btn, 0, sizeof(btn));
get_button_template(s, btn);
for (i=0; i<42; i++) {
int btnSet = 0;
switch (btn[i].buttonDefinition) {
case BT_CUST_LINESPEEDDIAL:
/* assume failure */
req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
for (l = d->lines; l; l = l->next) {
if (l->instance == lineInstance) {
ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
lineInstance++;
buttonCount++;
btnSet = 1;
break;
}
}
if (!btnSet) {
for (sd = d->speeddials; sd; sd = sd->next) {
if (sd->instance == speeddialInstance) {
ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
speeddialInstance++;
buttonCount++;
btnSet = 1;
break;
}
}
}
break;
case BT_LINE:
req->data.buttontemplate.definition[i].buttonDefinition = htolel(BT_NONE);
req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
for (l = d->lines; l; l = l->next) {
if (l->instance == lineInstance) {
ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
lineInstance++;
buttonCount++;
btnSet = 1;
break;
}
}
break;
case BT_SPEEDDIAL:
req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
req->data.buttontemplate.definition[i].instanceNumber = 0;
for (sd = d->speeddials; sd; sd = sd->next) {
if (sd->instance == speeddialInstance) {
ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
speeddialInstance++;
buttonCount++;
btnSet = 1;
break;
}
}
break;
case BT_CUST_HINT:
break;
case BT_NONE:
break;
default:
ast_verbose("Adding button: %d, %d\n", btn[i].buttonDefinition, 0);
req->data.buttontemplate.definition[i].buttonDefinition = htolel(btn[i].buttonDefinition);
req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
buttonCount++;
btnSet = 1;
break;
}
}
req->data.buttontemplate.buttonOffset = htolel(0);
req->data.buttontemplate.buttonCount = htolel(buttonCount);
req->data.buttontemplate.totalButtonCount = htolel(buttonCount);
if (skinnydebug)
ast_verbose("Sending %d template to %s\n",
d->type,
d->name);
transmit_response(s, req);
return 1;
}
static int handle_version_req_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
if (!(req = req_alloc(sizeof(struct version_res_message), VERSION_RES_MESSAGE)))
return -1;
snprintf(req->data.version.version, sizeof(req->data.version.version), d->version_id);
transmit_response(s, req);
return 1;
}
static int handle_server_request_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
if (!(req = req_alloc(sizeof(struct server_res_message), SERVER_RES_MESSAGE)))
return -1;
memcpy(req->data.serverres.server[0].serverName, ourhost,
sizeof(req->data.serverres.server[0].serverName));
req->data.serverres.serverListenPort[0] = htolel(ourport);
req->data.serverres.serverIpAddr[0] = htolel(d->ourip.s_addr);
transmit_response(s, req);
return 1;
}
static int handle_alarm_message(struct skinny_req *req, struct skinnysession *s)
{
/* no response necessary */
if (skinnydebug)
ast_verbose("Received Alarm Message: %s\n", req->data.alarm.displayMessage);
return 1;
}
static int handle_open_receive_channel_ack_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
struct skinny_subchannel *sub;
struct ast_format_list fmt;
struct sockaddr_in sin;
struct sockaddr_in us;
uint32_t addr;
int port;
int status;
int passthruid;
status = letohl(req->data.openreceivechannelack.status);
if (status) {
ast_log(LOG_ERROR, "Open Receive Channel Failure\n");
return 0;
}
addr = letohl(req->data.openreceivechannelack.ipAddr);
port = letohl(req->data.openreceivechannelack.port);
passthruid = letohl(req->data.openreceivechannelack.passThruId);
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = addr;
sin.sin_port = htons(port);
sub = find_subchannel_by_reference(d, passthruid);
if (!sub)
return 0;
l = sub->parent;
if (sub->rtp) {
ast_rtp_set_peer(sub->rtp, &sin);
ast_rtp_get_us(sub->rtp, &us);
} else {
ast_log(LOG_ERROR, "No RTP structure, this is very bad\n");
return 0;
}
if (skinnydebug) {
ast_verbose("ipaddr = %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
ast_verbose("ourip = %s:%d\n", ast_inet_ntoa(d->ourip), ntohs(us.sin_port));
}
if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
return -1;
fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
if (skinnydebug)
ast_verbose("Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
req->data.startmedia.conferenceId = htolel(0);
req->data.startmedia.passThruPartyId = htolel(sub->callid);
req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
req->data.startmedia.packetSize = htolel(fmt.cur_ms);
req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
req->data.startmedia.qualifier.precedence = htolel(127);
req->data.startmedia.qualifier.vad = htolel(0);
req->data.startmedia.qualifier.packets = htolel(0);
req->data.startmedia.qualifier.bitRate = htolel(0);
transmit_response(s, req);
return 1;
}
static int handle_soft_key_set_req_message(struct skinny_req *req, struct skinnysession *s)
{
int i;
int x;
int y;
const struct soft_key_definitions *softkeymode = soft_key_default_definitions;
if (!(req = req_alloc(sizeof(struct soft_key_set_res_message), SOFT_KEY_SET_RES_MESSAGE)))
return -1;
req->data.softkeysets.softKeySetOffset = htolel(0);
req->data.softkeysets.softKeySetCount = htolel(11);
req->data.softkeysets.totalSoftKeySetCount = htolel(11);
for (x = 0; x < sizeof(soft_key_default_definitions) / sizeof(struct soft_key_definitions); x++) {
const uint8_t *defaults = softkeymode->defaults;
/* XXX I wanted to get the size of the array dynamically, but that wasn't wanting to work.
This will have to do for now. */
for (y = 0; y < softkeymode->count; y++) {
for (i = 0; i < (sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition)); i++) {
if (defaults[y] == i+1) {
req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyTemplateIndex[y] = htolel(i+1);
}
}
}
softkeymode++;
}
transmit_response(s,req);
transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
return 1;
}
static int handle_soft_key_event_message(struct skinny_req *req, struct skinnysession *s)
{
struct skinny_device *d = s->device;
struct skinny_line *l;
struct skinny_subchannel *sub = NULL;
struct ast_channel *c;
pthread_t t;
int event;
int instance;
int reference;
event = letohl(req->data.softkeyeventmessage.softKeyEvent);
instance = letohl(req->data.softkeyeventmessage.instance);
reference = letohl(req->data.softkeyeventmessage.reference);
if (instance) {
l = find_line_by_instance(d, instance);
if (reference) {
sub = find_subchannel_by_instance_reference(d, instance, reference);
} else {
sub = find_subchannel_by_instance_reference(d, instance, d->lastcallreference);
}
} else {
l = find_line_by_instance(d, d->lastlineinstance);
}
if (!l) {
if (skinnydebug)
ast_verbose("Received Softkey Event: %d(%d)\n", event, instance);
return 0;
}
switch(event) {
case SOFTKEY_NONE:
if (skinnydebug)
ast_verbose("Received Softkey Event: None(%d)\n", instance);
break;
case SOFTKEY_REDIAL:
if (skinnydebug)
ast_verbose("Received Softkey Event: Redial(%d)\n", instance);
#if 0
if (!sub || !sub->owner) {
c = skinny_new(l, AST_STATE_DOWN);
} else {
c = sub->owner;
}
if(!c) {
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
} else {
sub = c->tech_pvt;
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
if (skinnydebug)
ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
transmit_displaymessage(s, NULL); /* clear display */
transmit_tone(s, SKINNY_DIALTONE);
if (ast_strlen_zero(l->lastnumberdialed)) {
ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
return 0;
}
if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
transmit_tone(s, SKINNY_SILENCE);
}
ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
ast_hangup(c);
}
}
#endif
break;
case SOFTKEY_NEWCALL:
/* XXX Untested */
if (skinnydebug)
ast_verbose("Received Softkey Event: New Call(%d)\n", instance);
transmit_ringer_mode(s,SKINNY_RING_OFF);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
l->hookstate = SKINNY_OFFHOOK;
if (sub) {
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
if (skinnydebug)
ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
transmit_displaymessage(s, NULL); /* clear display */
transmit_tone(s, SKINNY_DIALTONE);
transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
c = skinny_new(l, AST_STATE_DOWN);
if(c) {
/* start the switch thread */
if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
ast_hangup(c);
}
} else {
ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
}
}
break;
case SOFTKEY_HOLD:
if (skinnydebug)
ast_verbose("Received Softkey Event: Hold(%d)\n", instance);
if (sub) {
if (sub->onhold) {
skinny_unhold(sub);
} else {
skinny_hold(sub);
}
}
break;
case SOFTKEY_TRNSFER:
if (skinnydebug)
ast_verbose("Received Softkey Event: Transfer(%d)\n", instance);
transmit_tone(s, SKINNY_DIALTONE);
/* XXX figure out how to transfer */
break;
case SOFTKEY_CFWDALL:
if (skinnydebug)
ast_verbose("Received Softkey Event: Forward All(%d)\n", instance);
/* Do not disturb */
transmit_tone(s, SKINNY_DIALTONE);
if (l->dnd != 0){
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
l->dnd = 0;
transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
transmit_displaynotify(s, "DnD disabled", 10);
} else {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
l->dnd = 1;
transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
transmit_displaynotify(s, "DnD enabled", 10);
}
break;
case SOFTKEY_CFWDBUSY:
if (skinnydebug)
ast_verbose("Received Softkey Event: Forward Busy (%d)\n", instance);
break;
case SOFTKEY_CFWDNOANSWER:
if (skinnydebug)
ast_verbose("Received Softkey Event: Forward No Answer (%d)\n", instance);
break;
case SOFTKEY_BKSPC:
if (skinnydebug)
ast_verbose("Received Softkey Event: Backspace(%d)\n", instance);
break;
case SOFTKEY_ENDCALL:
if (skinnydebug)
ast_verbose("Received Softkey Event: End Call(%d)\n", instance);
if (l->hookstate == SKINNY_ONHOOK) {
/* Something else already put us back on hook */
break;
}
if (sub) {
sub->cxmode = SKINNY_CX_RECVONLY;
l->hookstate = SKINNY_ONHOOK;
transmit_callstate(s, l->instance, l->hookstate, sub->callid);
if (skinnydebug)
ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
/* We're allowed to transfer, we have two active calls and
we made at least one of the calls. Let's try and transfer */
#if 0
if ((res = attempt_transfer(p)) < 0) {
if (sub->next && sub->next->owner) {
sub->next->alreadygone = 1;
ast_queue_hangup(sub->next->owner, 1);
}
} else if (res) {
ast_log(LOG_WARNING, "Transfer attempt failed\n");
return 0;
}
#endif
} else {
/* Hangup the current call */
/* If there is another active call, skinny_hangup will ring the phone with the other call */
if (sub->owner) {
sub->alreadygone = 1;
ast_queue_hangup(sub->owner);
} else {
ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
l->name, d->name, sub->callid);
}
}
if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
do_housekeeping(s);
}
}
break;
case SOFTKEY_RESUME:
if (skinnydebug)
ast_verbose("Received Softkey Event: Resume(%d)\n", instance);
break;
case SOFTKEY_ANSWER:
if (skinnydebug)
ast_verbose("Received Softkey Event: Answer(%d)\n", instance);
transmit_ringer_mode(s,SKINNY_RING_OFF);
transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
l->hookstate = SKINNY_OFFHOOK;
if (sub && sub->outgoing) {
/* We're answering a ringing call */
ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
transmit_tone(s, SKINNY_SILENCE);
transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
start_rtp(sub);
ast_setstate(sub->owner, AST_STATE_UP);
}
break;
case SOFTKEY_INFO:
if (skinnydebug)
ast_verbose("Received Softkey Event: Info(%d)\n", instance);
break;
case SOFTKEY_CONFRN:
if (skinnydebug)
ast_verbose("Received Softkey Event: Transfer(%d)\n", instance);
transmit_tone(s, SKINNY_DIALTONE);
/* XXX determine the best way to pull off a conference. Meetme? */
break;
case SOFTKEY_PARK:
if (skinnydebug)
ast_verbose("Received Softkey Event: Park Call(%d)\n", instance);
/* XXX Park the call */
break;
case SOFTKEY_JOIN:
if (skinnydebug)
ast_verbose("Received Softkey Event: Join(%d)\n", instance);
break;
case SOFTKEY_MEETME:
/* XXX How is this different from CONFRN? */
if (skinnydebug)
ast_verbose("Received Softkey Event: Meetme(%d)\n", instance);
break;
case SOFTKEY_PICKUP:
if (skinnydebug)
ast_verbose("Received Softkey Event: None(%d)\n", instance);
break;
case SOFTKEY_GPICKUP:
if (skinnydebug)
ast_verbose("Received Softkey Event: Group Pickup (%d)\n", instance);
break;
default:
if (skinnydebug)
ast_verbose("Received unknown Softkey Event: %d(%d)\n", event, instance);
break;
}
return 1;
}
static int handle_unregister_message(struct skinny_req *req, struct skinnysession *s)
{
return skinny_unregister(req, s);
}
static int handle_soft_key_template_req_message(struct skinny_req *req, struct skinnysession *s)
{
if (!(req = req_alloc(sizeof(struct soft_key_template_res_message), SOFT_KEY_TEMPLATE_RES_MESSAGE)))
return -1;
req->data.softkeytemplate.softKeyOffset = htolel(0);
req->data.softkeytemplate.softKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
req->data.softkeytemplate.totalSoftKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
memcpy(req->data.softkeytemplate.softKeyTemplateDefinition,
soft_key_template_default,
sizeof(soft_key_template_default));
transmit_response(s,req);
return 1;
}
static int handle_headset_status_message(struct skinny_req *req, struct skinnysession *s)
{
/* XXX umm...okay? Why do I care? */
return 1;
}
static int handle_register_available_lines_message(struct skinny_req *req, struct skinnysession *s)
{
/* XXX I have no clue what this is for, but my phone was sending it, so... */
return 1;
}
static int handle_message(struct skinny_req *req, struct skinnysession *s)
{
int res = 0;
if ((!s->device) && (letohl(req->e) != REGISTER_MESSAGE && letohl(req->e) != ALARM_MESSAGE)) {
ast_log(LOG_WARNING, "Client sent message #%d without first registering.\n", req->e);
free(req);
return 0;
}
switch(letohl(req->e)) {
case KEEP_ALIVE_MESSAGE:
res = handle_keep_alive_message(req, s);
break;
case REGISTER_MESSAGE:
if (skinnydebug)
ast_verbose("Device %s is attempting to register\n", req->data.reg.name);
res = handle_register_message(req, s);
break;
case IP_PORT_MESSAGE:
res = handle_ip_port_message(req, s);
break;
case KEYPAD_BUTTON_MESSAGE:
if (skinnydebug)
ast_verbose("Collected digit: [%d]\n", letohl(req->data.keypad.button));
res = handle_keypad_button_message(req, s);
break;
case STIMULUS_MESSAGE:
res = handle_stimulus_message(req, s);
break;
case OFFHOOK_MESSAGE:
res = handle_offhook_message(req, s);
break;
case ONHOOK_MESSAGE:
res = handle_onhook_message(req, s);
break;
case CAPABILITIES_RES_MESSAGE:
if (skinnydebug)
ast_verbose("Received CapabilitiesRes\n");
res = handle_capabilities_res_message(req, s);
break;
case SPEED_DIAL_STAT_REQ_MESSAGE:
if (skinnydebug)
ast_verbose("Received SpeedDialStatRequest\n");
res = handle_speed_dial_stat_req_message(req, s);
break;
case LINE_STATE_REQ_MESSAGE:
res = handle_line_state_req_message(req, s);
break;
case TIME_DATE_REQ_MESSAGE:
if (skinnydebug)
ast_verbose("Received Time/Date Request\n");
res = handle_time_date_req_message(req, s);
break;
case BUTTON_TEMPLATE_REQ_MESSAGE:
if (skinnydebug)
ast_verbose("Buttontemplate requested\n");
res = handle_button_template_req_message(req, s);
break;
case VERSION_REQ_MESSAGE:
if (skinnydebug)
ast_verbose("Version Request\n");
res = handle_version_req_message(req, s);
break;
case SERVER_REQUEST_MESSAGE:
if (skinnydebug)
ast_verbose("Received Server Request\n");
res = handle_server_request_message(req, s);
break;
case ALARM_MESSAGE:
res = handle_alarm_message(req, s);
break;
case OPEN_RECEIVE_CHANNEL_ACK_MESSAGE:
if (skinnydebug)
ast_verbose("Received Open Receive Channel Ack\n");
res = handle_open_receive_channel_ack_message(req, s);
break;
case SOFT_KEY_SET_REQ_MESSAGE:
if (skinnydebug)
ast_verbose("Received SoftKeySetReq\n");
res = handle_soft_key_set_req_message(req, s);
break;
case SOFT_KEY_EVENT_MESSAGE:
res = handle_soft_key_event_message(req, s);
break;
case UNREGISTER_MESSAGE:
if (skinnydebug)
ast_verbose("Received Unregister Request\n");
res = handle_unregister_message(req, s);
break;
case SOFT_KEY_TEMPLATE_REQ_MESSAGE:
if (skinnydebug)
ast_verbose("Received SoftKey Template Request\n");
res = handle_soft_key_template_req_message(req, s);
break;
case HEADSET_STATUS_MESSAGE:
res = handle_headset_status_message(req, s);
break;
case REGISTER_AVAILABLE_LINES_MESSAGE:
res = handle_register_available_lines_message(req, s);
break;
default:
if (skinnydebug)
ast_verbose("RECEIVED UNKNOWN MESSAGE TYPE: %x\n", letohl(req->e));
break;
}
if (res >= 0 && req)
free(req);
return res;
}
static void destroy_session(struct skinnysession *s)
{
struct skinnysession *cur, *prev = NULL;
ast_mutex_lock(&sessionlock);
cur = sessions;
while(cur) {
if (cur == s) {
break;
}
prev = cur;
cur = cur->next;
}
if (cur) {
if (prev) {
prev->next = cur->next;
} else {
sessions = cur->next;
}
if (s->fd > -1) {
close(s->fd);
}
ast_mutex_destroy(&s->lock);
free(s);
} else {
ast_log(LOG_WARNING, "Trying to delete nonexistent session %p?\n", s);
}
ast_mutex_unlock(&sessionlock);
}
static int get_input(struct skinnysession *s)
{
int res;
int dlen = 0;
struct pollfd fds[1];
fds[0].fd = s->fd;
fds[0].events = POLLIN;
fds[0].revents = 0;
res = poll(fds, 1, -1);
if (res < 0) {
if (errno != EINTR)
{
ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
return res;
}
}
if (fds[0].revents) {
ast_mutex_lock(&s->lock);
memset(s->inbuf,0,sizeof(s->inbuf));
res = read(s->fd, s->inbuf, 4);
if (res < 0) {
ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
if (skinnydebug)
ast_verbose("Skinny Client was lost, unregistering\n");
skinny_unregister(NULL,s);
ast_mutex_unlock(&s->lock);
return res;
} else if (res != 4) {
ast_log(LOG_WARNING, "Skinny Client sent less data than expected. Expected 4 but got %d.\n", res);
ast_mutex_unlock(&s->lock);
if (res == 0) {
if (skinnydebug)
ast_verbose("Skinny Client was lost, unregistering\n");
skinny_unregister(NULL, s);
}
return -1;
}
dlen = letohl(*(int *)s->inbuf);
if (dlen < 0) {
ast_log(LOG_WARNING, "Skinny Client sent invalid data.\n");
ast_mutex_unlock(&s->lock);
return -1;
}
if (dlen+8 > sizeof(s->inbuf)) {
dlen = sizeof(s->inbuf) - 8;
}
*(int *)s->inbuf = htolel(dlen);
res = read(s->fd, s->inbuf+4, dlen+4);
ast_mutex_unlock(&s->lock);
if (res < 0) {
ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
return res;
} else if (res != (dlen+4)) {
ast_log(LOG_WARNING, "Skinny Client sent less data than expected.\n");
return -1;
}
return res;
}
return 0;
}
static struct skinny_req *skinny_req_parse(struct skinnysession *s)
{
struct skinny_req *req;
if (!(req = ast_calloc(1, SKINNY_MAX_PACKET)))
return NULL;
ast_mutex_lock(&s->lock);
memcpy(req, s->inbuf, skinny_header_size);
memcpy(&req->data, s->inbuf+skinny_header_size, letohl(*(int*)(s->inbuf))-4);
ast_mutex_unlock(&s->lock);
if (letohl(req->e) < 0) {
ast_log(LOG_ERROR, "Event Message is NULL from socket %d, This is bad\n", s->fd);
free(req);
return NULL;
}
return req;
}
static void *skinny_session(void *data)
{
int res;
struct skinny_req *req;
struct skinnysession *s = data;
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Starting Skinny session from %s\n", ast_inet_ntoa(s->sin.sin_addr));
for (;;) {
res = get_input(s);
if (res < 0) {
break;
}
if (res > 0)
{
if (!(req = skinny_req_parse(s))) {
destroy_session(s);
return NULL;
}
res = handle_message(req, s);
if (res < 0) {
destroy_session(s);
return NULL;
}
}
}
ast_log(LOG_NOTICE, "Skinny Session returned: %s\n", strerror(errno));
if (s)
destroy_session(s);
return 0;
}
static void *accept_thread(void *ignore)
{
int as;
struct sockaddr_in sin;
socklen_t sinlen;
struct skinnysession *s;
struct protoent *p;
int arg = 1;
pthread_attr_t attr;
pthread_t tcp_thread;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
for (;;) {
sinlen = sizeof(sin);
as = accept(skinnysock, (struct sockaddr *)&sin, &sinlen);
if (as < 0) {
ast_log(LOG_NOTICE, "Accept returned -1: %s\n", strerror(errno));
continue;
}
p = getprotobyname("tcp");
if(p) {
if( setsockopt(as, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
ast_log(LOG_WARNING, "Failed to set Skinny tcp connection to TCP_NODELAY mode: %s\n", strerror(errno));
}
}
if (!(s = ast_calloc(1, sizeof(struct skinnysession))))
continue;
memcpy(&s->sin, &sin, sizeof(sin));
ast_mutex_init(&s->lock);
s->fd = as;
ast_mutex_lock(&sessionlock);
s->next = sessions;
sessions = s;
ast_mutex_unlock(&sessionlock);
if (ast_pthread_create(&tcp_thread, &attr, skinny_session, s)) {
destroy_session(s);
}
}
if (skinnydebug)
ast_verbose("killing accept thread\n");
close(as);
return 0;
}
static void *do_monitor(void *data)
{
int res;
/* This thread monitors all the interfaces which are not yet in use
(and thus do not have a separate thread) indefinitely */
/* From here on out, we die whenever asked */
for(;;) {
pthread_testcancel();
/* Wait for sched or io */
res = ast_sched_wait(sched);
if ((res < 0) || (res > 1000)) {
res = 1000;
}
res = ast_io_wait(io, res);
ast_mutex_lock(&monlock);
if (res >= 0) {
ast_sched_runq(sched);
}
ast_mutex_unlock(&monlock);
}
/* Never reached */
return NULL;
}
static int restart_monitor(void)
{
/* If we're supposed to be stopped -- stay stopped */
if (monitor_thread == AST_PTHREADT_STOP)
return 0;
ast_mutex_lock(&monlock);
if (monitor_thread == pthread_self()) {
ast_mutex_unlock(&monlock);
ast_log(LOG_WARNING, "Cannot kill myself\n");
return -1;
}
if (monitor_thread != AST_PTHREADT_NULL) {
/* Wake up the thread */
pthread_kill(monitor_thread, SIGURG);
} else {
/* Start a new monitor */
if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
ast_mutex_unlock(&monlock);
ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
return -1;
}
}
ast_mutex_unlock(&monlock);
return 0;
}
static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause)
{
int oldformat;
struct skinny_line *l;
struct ast_channel *tmpc = NULL;
char tmp[256];
char *dest = data;
oldformat = format;
if (!(format &= ((AST_FORMAT_MAX_AUDIO << 1) - 1))) {
ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
return NULL;
}
ast_copy_string(tmp, dest, sizeof(tmp));
if (ast_strlen_zero(tmp)) {
ast_log(LOG_NOTICE, "Skinny channels require a device\n");
return NULL;
}
l = find_line_by_name(tmp);
if (!l) {
ast_log(LOG_NOTICE, "No available lines on: %s\n", dest);
return NULL;
}
if (option_verbose > 2) {
ast_verbose(VERBOSE_PREFIX_3 "skinny_request(%s)\n", tmp);
}
tmpc = skinny_new(l, AST_STATE_DOWN);
if (!tmpc) {
ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
}
restart_monitor();
return tmpc;
}
static int reload_config(void)
{
int on = 1;
struct ast_config *cfg;
struct ast_variable *v;
char *cat;
struct skinny_device *d;
int oldport = ntohs(bindaddr.sin_port);
if (gethostname(ourhost, sizeof(ourhost))) {
ast_log(LOG_WARNING, "Unable to get hostname, Skinny disabled\n");
return 0;
}
cfg = ast_config_load(config);
/* We *must* have a config file otherwise stop immediately */
if (!cfg) {
ast_log(LOG_NOTICE, "Unable to load config %s, Skinny disabled\n", config);
return -1;
}
memset(&bindaddr, 0, sizeof(bindaddr));
memset(&default_prefs, 0, sizeof(default_prefs));
/* Copy the default jb config over global_jbconf */
memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
/* load the general section */
v = ast_variable_browse(cfg, "general");
while (v) {
/* handle jb conf */
if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) {
v = v->next;
continue;
}
/* Create the interface list */
if (!strcasecmp(v->name, "bindaddr")) {
if (!(hp = ast_gethostbyname(v->value, &ahp))) {
ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
} else {
memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
}
} else if (!strcasecmp(v->name, "keepalive")) {
keep_alive = atoi(v->value);
} else if (!strcasecmp(v->name, "dateformat")) {
ast_copy_string(date_format, v->value, sizeof(date_format));
} else if (!strcasecmp(v->name, "allow")) {
ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 1);
} else if (!strcasecmp(v->name, "disallow")) {
ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 0);
} else if (!strcasecmp(v->name, "bindport")) {
if (sscanf(v->value, "%d", &ourport) == 1) {
bindaddr.sin_port = htons(ourport);
} else {
ast_log(LOG_WARNING, "Invalid bindport '%s' at line %d of %s\n", v->value, v->lineno, config);
}
}
v = v->next;
}
if (ntohl(bindaddr.sin_addr.s_addr)) {
__ourip = bindaddr.sin_addr;
} else {
hp = ast_gethostbyname(ourhost, &ahp);
if (!hp) {
ast_log(LOG_WARNING, "Unable to get our IP address, Skinny disabled\n");
ast_config_destroy(cfg);
return 0;
}
memcpy(&__ourip, hp->h_addr, sizeof(__ourip));
}
if (!ntohs(bindaddr.sin_port)) {
bindaddr.sin_port = ntohs(DEFAULT_SKINNY_PORT);
}
bindaddr.sin_family = AF_INET;
/* load the device sections */
cat = ast_category_browse(cfg, NULL);
while(cat) {
if (!strcasecmp(cat, "general")) {
/* Nothing to do */
#if 0
} else if (!strncasecmp(cat, "paging-", 7)) {
p = build_paging_device(cat, ast_variable_browse(cfg, cat));
if (p) {
}
#endif
} else {
d = build_device(cat, ast_variable_browse(cfg, cat));
if (d) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Added device '%s'\n", d->name);
ast_mutex_lock(&devicelock);
d->next = devices;
devices = d;
ast_mutex_unlock(&devicelock);
}
}
cat = ast_category_browse(cfg, cat);
}
ast_mutex_lock(&netlock);
if ((skinnysock > -1) && (ntohs(bindaddr.sin_port) != oldport)) {
close(skinnysock);
skinnysock = -1;
}
if (skinnysock < 0) {
skinnysock = socket(AF_INET, SOCK_STREAM, 0);
if(setsockopt(skinnysock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
ast_log(LOG_ERROR, "Set Socket Options failed: errno %d, %s\n", errno, strerror(errno));
ast_config_destroy(cfg);
return 0;
}
if (skinnysock < 0) {
ast_log(LOG_WARNING, "Unable to create Skinny socket: %s\n", strerror(errno));
} else {
if (bind(skinnysock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
strerror(errno));
close(skinnysock);
skinnysock = -1;
ast_config_destroy(cfg);
return 0;
}
if (listen(skinnysock,DEFAULT_SKINNY_BACKLOG)) {
ast_log(LOG_WARNING, "Failed to start listening to %s:%d: %s\n",
ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
strerror(errno));
close(skinnysock);
skinnysock = -1;
ast_config_destroy(cfg);
return 0;
}
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "Skinny listening on %s:%d\n",
ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port));
ast_pthread_create_background(&accept_t,NULL, accept_thread, NULL);
}
}
ast_mutex_unlock(&netlock);
ast_config_destroy(cfg);
return 1;
}
static void delete_devices(void)
{
struct skinny_device *d, *dlast;
struct skinny_line *l, *llast;
struct skinny_speeddial *sd, *sdlast;
struct skinny_addon *a, *alast;
ast_mutex_lock(&devicelock);
/* Delete all devices */
for (d=devices;d;) {
/* Delete all lines for this device */
for (l=d->lines;l;) {
llast = l;
l = l->next;
ast_mutex_destroy(&llast->lock);
free(llast);
}
/* Delete all speeddials for this device */
for (sd=d->speeddials;sd;) {
sdlast = sd;
sd = sd->next;
ast_mutex_destroy(&sdlast->lock);
free(sdlast);
}
/* Delete all addons for this device */
for (a=d->addons;a;) {
alast = a;
a = a->next;
ast_mutex_destroy(&alast->lock);
free(alast);
}
dlast = d;
d = d->next;
free(dlast);
}
devices=NULL;
ast_mutex_unlock(&devicelock);
}
#if 0
/*
* XXX This never worked properly anyways.
* Let's get rid of it, until we can fix it.
*/
static int reload(void)
{
delete_devices();
reload_config();
restart_monitor();
return 0;
}
#endif
static int load_module(void)
{
int res = 0;
for (; res < (sizeof(soft_key_template_default) / sizeof(soft_key_template_default[0])); res++) {
soft_key_template_default[res].softKeyEvent = htolel(soft_key_template_default[res].softKeyEvent);
}
/* load and parse config */
res = reload_config();
if (res == -1) {
return AST_MODULE_LOAD_DECLINE;
}
/* Make sure we can register our skinny channel type */
if (ast_channel_register(&skinny_tech)) {
ast_log(LOG_ERROR, "Unable to register channel class 'Skinny'\n");
return -1;
}
ast_rtp_proto_register(&skinny_rtp);
ast_cli_register_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
sched = sched_context_create();
if (!sched) {
ast_log(LOG_WARNING, "Unable to create schedule context\n");
}
io = io_context_create();
if (!io) {
ast_log(LOG_WARNING, "Unable to create I/O context\n");
}
/* And start the monitor for the first time */
restart_monitor();
return res;
}
static int unload_module(void)
{
struct skinnysession *s, *slast;
struct skinny_device *d;
struct skinny_line *l;
struct skinny_subchannel *sub;
ast_mutex_lock(&sessionlock);
/* Destroy all the interfaces and free their memory */
s = sessions;
while(s) {
slast = s;
s = s->next;
for (d = slast->device; d; d = d->next) {
for (l = d->lines; l; l = l->next) {
ast_mutex_lock(&l->lock);
for (sub = l->sub; sub; sub = sub->next) {
ast_mutex_lock(&sub->lock);
if (sub->owner) {
sub->alreadygone = 1;
ast_softhangup(sub->owner, AST_SOFTHANGUP_APPUNLOAD);
}
ast_mutex_unlock(&sub->lock);
}
ast_mutex_unlock(&l->lock);
}
}
if (slast->fd > -1)
close(slast->fd);
ast_mutex_destroy(&slast->lock);
free(slast);
}
sessions = NULL;
ast_mutex_unlock(&sessionlock);
delete_devices();
ast_mutex_lock(&monlock);
if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) {
pthread_cancel(monitor_thread);
pthread_kill(monitor_thread, SIGURG);
pthread_join(monitor_thread, NULL);
}
monitor_thread = AST_PTHREADT_STOP;
ast_mutex_unlock(&monlock);
ast_mutex_lock(&netlock);
if (accept_t && (accept_t != AST_PTHREADT_STOP)) {
pthread_cancel(accept_t);
pthread_kill(accept_t, SIGURG);
pthread_join(accept_t, NULL);
}
accept_t = AST_PTHREADT_STOP;
ast_mutex_unlock(&netlock);
ast_rtp_proto_unregister(&skinny_rtp);
ast_channel_unregister(&skinny_tech);
ast_cli_unregister_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
close(skinnysock);
sched_context_destroy(sched);
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Skinny Client Control Protocol (Skinny)",
.load = load_module,
.unload = unload_module,
);
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