2796 lines
82 KiB
C
Executable File
2796 lines
82 KiB
C
Executable File
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Implementation of the Skinny protocol
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*
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* Asterisk is Copyright (C) 1999-2003 Mark Spencer
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*
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* chan_skinny was developed by Jeremy McNamara & Florian Overkamp
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <string.h>
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#include <asterisk/lock.h>
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#include <asterisk/channel.h>
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#include <asterisk/channel_pvt.h>
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#include <asterisk/config.h>
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#include <asterisk/logger.h>
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#include <asterisk/module.h>
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#include <asterisk/pbx.h>
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#include <asterisk/options.h>
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#include <asterisk/lock.h>
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#include <asterisk/sched.h>
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#include <asterisk/io.h>
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#include <asterisk/rtp.h>
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#include <asterisk/acl.h>
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#include <asterisk/callerid.h>
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#include <asterisk/cli.h>
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#include <asterisk/say.h>
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#include <asterisk/cdr.h>
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#include <asterisk/astdb.h>
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#include <asterisk/parking.h>
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#include <asterisk/app.h>
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#include <asterisk/musiconhold.h>
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#include <asterisk/utils.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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#include <sys/signal.h>
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#include <signal.h>
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#include <pthread.h>
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#include <asterisk/dsp.h>
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#include <ctype.h>
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/************************************************************************************/
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/* Skinny/Asterisk Protocol Settings */
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/************************************************************************************/
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static char *desc = "Skinny Client Control Protocol (Skinny)";
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static char *tdesc = "Skinny Client Control Protocol (Skinny)";
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static char *type = "Skinny";
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static char *config = "skinny.conf";
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/* Just about everybody seems to support ulaw, so make it a nice default */
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static int capability = AST_FORMAT_ULAW;
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#define DEFAULT_SKINNY_PORT 2000
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#define DEFAULT_SKINNY_BACKLOG 2
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#define SKINNY_MAX_PACKET 1000
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static int keep_alive = 120;
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static char date_format[6] = "D-M-Y";
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static char version_id[16] = "P002F202";
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/* these should be in an include file, but dunno what to include */
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typedef unsigned char UINT8;
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typedef unsigned short UINT16;
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typedef unsigned int UINT32;
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/************************************************************************************/
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/* Protocol Messages */
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/************************************************************************************/
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/* message types */
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#define KEEP_ALIVE_MESSAGE 0x0000
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/* no additional struct */
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#define REGISTER_MESSAGE 0x0001
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typedef struct register_message {
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char name[16];
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int userId;
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int instance;
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char ip[4];
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int type;
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int maxStreams;
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} register_message;
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#define IP_PORT_MESSAGE 0x0002
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#define KEYPAD_BUTTON_MESSAGE 0x0003
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typedef struct keypad_button_message {
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int button;
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} keypad_button_message;
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#define STIMULUS_MESSAGE 0x0005
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typedef struct stimulus_message {
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int stimulus;
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int stimulusInstance;
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} stimulus_message;
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#define OFFHOOK_MESSAGE 0x0006
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#define ONHOOK_MESSAGE 0x0007
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#define CAPABILITIES_RES_MESSAGE 0x0010
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typedef struct station_capabilities {
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int codec;
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int frames;
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union {
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char res[8];
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long rate;
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} payloads;
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} station_capabilities;
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typedef struct capabilities_res_message {
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int count;
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struct station_capabilities caps[18];
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} capabilities_res_message;
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#define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
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typedef struct speed_dial_stat_req_message {
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int speedDialNumber;
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} speed_dial_stat_req_message;
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#define LINE_STATE_REQ_MESSAGE 0x000B
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typedef struct line_state_req_message {
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int lineNumber;
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} line_state_req_message;
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#define TIME_DATE_REQ_MESSAGE 0x000D
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#define VERSION_REQ_MESSAGE 0x000F
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#define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
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#define SERVER_REQUEST_MESSAGE 0x0012
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#define ALARM_MESSAGE 0x0020
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#define OPEN_RECIEVE_CHANNEL_ACK_MESSAGE 0x0022
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typedef struct open_recieve_channel_ack_message {
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int status;
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char ipAddr[4];
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int port;
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int passThruId;
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} open_recieve_channel_ack_message;
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#define SOFT_KEY_SET_REQ_MESSAGE 0x0025
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#define UNREGISTER_MESSAGE 0x0027
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#define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
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#define REGISTER_ACK_MESSAGE 0x0081
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typedef struct register_ack_message {
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int keepAlive;
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char dateTemplate[6];
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char res[2];
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int secondaryKeepAlive;
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char res2[4];
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} register_ack_message;
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#define START_TONE_MESSAGE 0x0082
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typedef struct start_tone_message {
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int tone;
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} start_tone_message;
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#define STOP_TONE_MESSAGE 0x0083
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#define SET_RINGER_MESSAGE 0x0085
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typedef struct set_ringer_message {
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int ringerMode;
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} set_ringer_message;
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#define SET_LAMP_MESSAGE 0x0086
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typedef struct set_lamp_message {
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int stimulus;
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int stimulusInstance;
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int deviceStimulus;
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} set_lamp_message;
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#define SET_SPEAKER_MESSAGE 0x0088
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typedef struct set_speaker_message {
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int mode;
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} set_speaker_message;
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#define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
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typedef struct media_qualifier {
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int precedence;
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int vad;
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int packets;
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int bitRate;
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} media_qualifier;
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typedef struct start_media_transmission_message {
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int conferenceId;
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int passThruPartyId;
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char remoteIp[4];
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int remotePort;
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int packetSize;
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int payloadType;
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media_qualifier qualifier;
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} start_media_transmission_message;
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#define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
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typedef struct stop_media_transmission_message {
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int conferenceId;
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int passThruPartyId;
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} stop_media_transmission_message;
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#define CALL_INFO_MESSAGE 0x008F
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typedef struct call_info_message {
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char callingPartyName[40];
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char callingParty[24];
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char calledPartyName[40];
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char calledParty[24];
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int instance;
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int reference;
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int type;
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char originalCalledPartyName[40];
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char originalCalledParty[24];
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} call_info_message;
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#define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
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typedef struct speed_dial_stat_res_message {
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int speedDialNumber;
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char speedDialDirNumber[24];
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char speedDialDisplayName[40];
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} speed_dial_stat_res_message;
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#define LINE_STAT_RES_MESSAGE 0x0092
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typedef struct line_stat_res_message {
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int linenumber;
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char lineDirNumber[24];
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char lineDisplayName[42];
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int space;
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} line_stat_res_message;
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#define DEFINETIMEDATE_MESSAGE 0x0094
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typedef struct definetimedate_message {
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int year; /* since 1900 */
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int month;
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int dayofweek; /* monday = 1 */
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int day;
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int hour;
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int minute;
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int seconds;
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int milliseconds;
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int timestamp;
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} definetimedate_message;
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#define DISPLAYTEXT_MESSAGE 0x0099
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typedef struct displaytext_message {
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char text[40];
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} displaytext_message;
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#define REGISTER_REJ_MESSAGE 0x009D
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typedef struct register_rej_message {
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char errMsg[33];
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} register_rej_message;
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#define CAPABILITIES_REQ_MESSAGE 0x009B
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#define SERVER_RES_MESSAGE 0x009E
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typedef struct server_identifier {
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char serverName[48];
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} server_identifier;
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typedef struct server_res_message {
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server_identifier server[5];
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int serverListenPort[5];
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int serverIpAddr[5];
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} server_res_message;
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#define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
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static const char *button_definition_hack = {
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"\x01\x09\x01\x02\x02\x02\x03\x02\x04\x02\x05\x02\x06\x02\x07\x02"
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"\x08\x02\x09\x02\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff"
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"\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff"
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"\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff"
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"\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff\x00\xff"
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"\x00\xff\x00\xff"
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};
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typedef struct buttondefinition {
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UINT8 instanceNumber;
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UINT8 buttonDefinition;
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} button_definition;
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typedef struct button_template_res_message {
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UINT32 buttonOffset;
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UINT32 buttonCount;
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UINT32 totalButtonCount;
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button_definition definition[42];
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} button_template_res_message;
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#define VERSION_RES_MESSAGE 0x0098
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typedef struct version_res_message {
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char version[16];
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} version_res_message;
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#define KEEP_ALIVE_ACK_MESSAGE 0x0100
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#define OPEN_RECIEVE_CHANNEL_MESSAGE 0x0105
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typedef struct open_recieve_channel_message {
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int conferenceId;
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int partyId;
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int packets;
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int capability;
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int echo;
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int bitrate;
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} open_recieve_channel_message;
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#define CLOSE_RECIEVE_CHANNEL_MESSAGE 0x0106
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typedef struct close_recieve_channel_message {
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int conferenceId;
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int partyId;
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} close_recieve_channel_message;
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#define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
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static const char *soft_key_template_hack = {
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"\x52\x65\x64\x69\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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"\x01\x00\x00\x00\x4e\x65\x77\x43\x61\x6c\6c\\x00\x00\x00\x00\x00"
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"\x00\x00\x00\x00\x02\x00\x00\x00\x48\x6f\x6c\x64\x00\x00\x00\x00"
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"\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x54\x72\x6e\x73"
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"\x66\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00"
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"\x43\x46\x77\x64\x41\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x05"
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"\x00\x00\x00\x43\x46\x77\x64\x20\x42\x75\x73\x79\x00\x00\x00\x00"
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"\x00\x00\x00\x06\x00\x00\x00\x43\x46\x77\x64\x4e\x6f\x41\x6e\x73"
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"\x77\x65\x72\x00\x00\x00\x00\x07\x00\x00\x00\x3c\x3c\x00\x00\x00"
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"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x45"
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"\x6e\x64\x43\x61\x6c\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09"
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"\x00\x00\x00\x52\x65\x73\x75\x6d\x65\x00\x00\x00\x00\x00\x00\x00"
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"\x00\x00\x0a\x00\x00\x00\x41\x6e\x73\x77\x65\x72\x00\x00\x00\x00"
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"\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x49\x6e\x66\x6f\x00\x00"
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"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x43\x6f"
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"\x6e\x66\x72\x6e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0d\x00\x00"
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"\x00\x50\x61\x72\x6b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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"\x00\x0e\x00\x00\x00\x4a\x6f\x69\x6e\x00\x00\x00\x00\x00\x00\x00"
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"\x00\x00\x00\x00\x0f\x00\x00\x00\x4d\x65\x65\x74\x4d\x65\x00\x00"
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"\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x50\x69\x63\x6b"
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"\x55\x70\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x11\x00\x00\x00"
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"\x47\x50\x69\x63\x6b\x55\x70\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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"\x12\x00\x00\x00\x52\x6d\x4c\x73\x43\x00\x00\x00\x00\x00\x00\x00"
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"\x00\x00\x00\x13\x00\x00\x00\x42\x61\x72\x67\x65\x00\x00\x00\x00"
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"\x00\x00\x00\x00\x00\x00\x00\x14\x00\x00\x00\x42\x61\x72\x67\x65"
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"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15\x00\x00\x00"
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};
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typedef struct soft_key_template_definition {
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char softKeyLabel[16];
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int softKeyEvent;
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} soft_key_template_definition;
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typedef struct soft_key_template {
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int softKeyOffset;
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int softKeyCount;
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int totalSoftKeyCount;
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soft_key_template_definition softKeyTemplateDefinition[32];
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} soft_key_template;
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#define SOFT_KEY_SET_RES_MESSAGE 0x0109
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static const char *soft_key_set_hack = {
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"\x01\x02\x05\x03\x09\x0a\x0b\x10\x11\x12\x04\x0e\x0d\x00\x00\x00"
|
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"\x2d\x01\x2e\x01\x31\x01\x2f\x01\x35\x01\x36\x01\x37\x01\x3c\x01"
|
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"\x3d\x01\x3e\x01\x30\x01\x3a\x01\x39\x01\x00\x00\x00\x00\x00\x00"
|
|
"\x03\x09\x04\x0e\x0d\x13\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x2f\x01\x35\x01\x30\x01\x3a\x01\x39\x01\x3f\x01\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x0a\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x36\x01\x2e\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x37\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x01\x09\x05\x10\x11\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x2d\x01\x35\x01\x31\x01\x3c\x01\x3d\x01\x3e\x01\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x09\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x35\x01\x30\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x08\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x34\x01\x35\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x09\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x35\x01\x39\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x35\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x01\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x2d\x01\x35\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x41\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
};
|
|
|
|
typedef struct soft_key_set_definition {
|
|
UINT8 softKeyTemplateIndex[16];
|
|
UINT16 softKeyInfoIndex[16];
|
|
} soft_key_set_definition;
|
|
|
|
typedef struct soft_key_sets {
|
|
UINT32 softKeySetOffset;
|
|
UINT32 softKeySetCount;
|
|
UINT32 totalSoftKeySetCount;
|
|
soft_key_set_definition softKeySetDefinition[16];
|
|
UINT32 res;
|
|
} soft_key_sets;
|
|
|
|
#define SELECT_SOFT_KEYS_MESSAGE 0x0110
|
|
typedef struct select_soft_keys_message {
|
|
int instance;
|
|
int reference;
|
|
int softKeySetIndex;
|
|
int validKeyMask;
|
|
} select_soft_keys_message;
|
|
|
|
#define CALL_STATE_MESSAGE 0x0111
|
|
typedef struct call_state_message {
|
|
int callState;
|
|
int lineInstance;
|
|
int callReference;
|
|
} call_state_message;
|
|
|
|
#define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
|
|
typedef struct activate_call_plane_message {
|
|
int lineInstance;
|
|
} activate_call_plane_message;
|
|
|
|
/* packet composition */
|
|
typedef struct {
|
|
int len;
|
|
int res;
|
|
int e;
|
|
union {
|
|
speed_dial_stat_req_message speeddialreq;
|
|
register_message reg;
|
|
register_ack_message regack;
|
|
register_rej_message regrej;
|
|
capabilities_res_message caps;
|
|
version_res_message version;
|
|
button_template_res_message buttontemplate;
|
|
displaytext_message displaytext;
|
|
definetimedate_message definetimedate;
|
|
start_tone_message starttone;
|
|
speed_dial_stat_res_message speeddial;
|
|
line_state_req_message line;
|
|
line_stat_res_message linestat;
|
|
soft_key_sets softkeysets;
|
|
soft_key_template softkeytemplate;
|
|
server_res_message serverres;
|
|
set_lamp_message setlamp;
|
|
set_ringer_message setringer;
|
|
call_state_message callstate;
|
|
keypad_button_message keypad;
|
|
select_soft_keys_message selectsoftkey;
|
|
activate_call_plane_message activatecallplane;
|
|
stimulus_message stimulus;
|
|
set_speaker_message setspeaker;
|
|
call_info_message callinfo;
|
|
start_media_transmission_message startmedia;
|
|
stop_media_transmission_message stopmedia;
|
|
open_recieve_channel_message openrecievechannel;
|
|
open_recieve_channel_ack_message openrecievechannelack;
|
|
close_recieve_channel_message closerecievechannel;
|
|
} data;
|
|
} skinny_req;
|
|
|
|
/************************************************************************************/
|
|
/* Asterisk specific globals */
|
|
/************************************************************************************/
|
|
|
|
static int skinnydebug = 1; /* XXX for now, enable debugging default */
|
|
|
|
/* 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 tcp_thread;
|
|
static pthread_t accept_t;
|
|
static char context[AST_MAX_EXTENSION] = "default";
|
|
static char language[MAX_LANGUAGE] = "";
|
|
static char musicclass[MAX_LANGUAGE] = "";
|
|
static char callerid[AST_MAX_EXTENSION] = "";
|
|
static char linelabel[AST_MAX_EXTENSION] ="";
|
|
static int nat = 0;
|
|
static unsigned int cur_callergroup = 0;
|
|
static unsigned int cur_pickupgroup = 0;
|
|
static int immediate = 0;
|
|
static int callwaiting = 0;
|
|
static int callreturn = 0;
|
|
static int threewaycalling = 0;
|
|
/* This is for flashhook transfers */
|
|
static int transfer = 0;
|
|
static int cancallforward = 0;
|
|
/* static int busycount = 3;*/
|
|
static char accountcode[20] = "";
|
|
static char mailbox[AST_MAX_EXTENSION];
|
|
static int amaflags = 0;
|
|
static int callnums = 1;
|
|
|
|
#define SUB_REAL 0
|
|
#define SUB_ALT 1
|
|
#define MAX_SUBS 2
|
|
|
|
#define SKINNY_SPEAKERON 1
|
|
#define SKINNY_SPEAKEROFF 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 0
|
|
#define SKINNY_DIALTONE 33
|
|
#define SKINNY_BUSYTONE 35
|
|
#define SKINNY_ALERT 36
|
|
#define SKINNY_REORDER 37
|
|
#define SKINNY_CALLWAITTONE 45
|
|
|
|
#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
|
|
|
|
#define STIMULUS_REDIAL 1
|
|
#define STIMULUS_SPEEDDIAL 2
|
|
#define STIMULUS_HOLD 3
|
|
#define STIMULUS_TRANSFER 4
|
|
#define STIMULUS_FORWARDALL 5
|
|
#define STIMULUS_FORWARDBUSY 6
|
|
#define STIMULUS_FORWARDNOANSWER 7
|
|
#define STIMULUS_DISPLAY 8
|
|
#define STIMULUS_LINE 9
|
|
|
|
/* 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;
|
|
|
|
/* usage count and locking */
|
|
static int usecnt = 0;
|
|
static ast_mutex_t usecnt_lock = AST_MUTEX_INITIALIZER;
|
|
|
|
/* Protect the monitoring thread, so only one process can kill or start it, and not
|
|
when it's doing something critical. */
|
|
static ast_mutex_t monlock = AST_MUTEX_INITIALIZER;
|
|
/* Protect the network socket */
|
|
static ast_mutex_t netlock = AST_MUTEX_INITIALIZER;
|
|
/* Protect the session list */
|
|
static ast_mutex_t sessionlock = AST_MUTEX_INITIALIZER;
|
|
/* Protect the device list */
|
|
static ast_mutex_t devicelock = AST_MUTEX_INITIALIZER;
|
|
|
|
/* 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;
|
|
unsigned int callid;
|
|
struct ast_channel *owner;
|
|
struct skinny_line *parent;
|
|
struct ast_rtp *rtp;
|
|
time_t lastouttime;
|
|
int progress;
|
|
int ringing;
|
|
int lastout;
|
|
int cxmode;
|
|
int nat;
|
|
int outgoing;
|
|
int alreadygone;
|
|
struct skinny_subchannel *next;
|
|
};
|
|
|
|
struct skinny_line {
|
|
ast_mutex_t lock;
|
|
char name[80];
|
|
char label[42]; /* Label that shows next to the line buttons */
|
|
struct skinny_subchannel *sub; /* pointer to our current connection, channel and stuff */
|
|
char accountcode[80];
|
|
char exten[AST_MAX_EXTENSION]; /* Extention where to start */
|
|
char context[AST_MAX_EXTENSION];
|
|
char language[MAX_LANGUAGE];
|
|
char callerid[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 musicclass[MAX_LANGUAGE];
|
|
int curtone; /* Current tone being played */
|
|
unsigned int callgroup;
|
|
unsigned int pickupgroup;
|
|
int callwaiting;
|
|
int transfer;
|
|
int threewaycalling;
|
|
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 progress;
|
|
struct skinny_line *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;
|
|
struct sockaddr_in addr;
|
|
struct in_addr ourip;
|
|
struct skinny_line *lines;
|
|
struct ast_ha *ha;
|
|
struct skinnysession *session;
|
|
struct skinny_device *next;
|
|
} *devices = NULL;
|
|
|
|
static struct skinnysession {
|
|
pthread_t t;
|
|
ast_mutex_t lock;
|
|
struct sockaddr_in sin;
|
|
int fd;
|
|
char inbuf[SKINNY_MAX_PACKET];
|
|
struct skinny_device *device;
|
|
struct skinnysession *next;
|
|
} *sessions = NULL;
|
|
|
|
static skinny_req *req_alloc(size_t size)
|
|
{
|
|
skinny_req *req;
|
|
req = malloc(size+12);
|
|
if (!req) {
|
|
return NULL;
|
|
}
|
|
memset(req, 0, size+12);
|
|
return req;
|
|
}
|
|
|
|
static struct skinny_subchannel *find_subchannel_by_line(struct skinny_line *l)
|
|
{
|
|
/* XXX Need to figure out how to determine which sub we want */
|
|
struct skinny_subchannel *sub = l->sub;
|
|
return sub;
|
|
}
|
|
|
|
static struct skinny_subchannel *find_subchannel_by_name(char *dest)
|
|
{
|
|
struct skinny_line *l;
|
|
struct skinny_device *d;
|
|
char line[256];
|
|
char *at;
|
|
char *device;
|
|
|
|
strncpy(line, dest, sizeof(line) - 1);
|
|
at = strchr(line, '@');
|
|
if (!at) {
|
|
ast_log(LOG_NOTICE, "Device '%s' has no @ (at) sign!\n", dest);
|
|
return NULL;
|
|
}
|
|
*at = '\0';
|
|
at++;
|
|
device = at;
|
|
ast_mutex_lock(&devicelock);
|
|
d = devices;
|
|
while(d) {
|
|
if (!strcasecmp(d->name, device)) {
|
|
if (skinnydebug) {
|
|
ast_verbose("Found device: %s\n", d->name);
|
|
}
|
|
/* Found the device */
|
|
l = d->lines;
|
|
while (l) {
|
|
/* Search for the right line */
|
|
if (!strcasecmp(l->name, line)) {
|
|
ast_mutex_unlock(&devicelock);
|
|
return l->sub;
|
|
}
|
|
l = l->next;
|
|
}
|
|
}
|
|
d = d->next;
|
|
}
|
|
/* Device not found*/
|
|
ast_mutex_unlock(&devicelock);
|
|
return NULL;
|
|
}
|
|
|
|
static int transmit_response(struct skinnysession *s, skinny_req *req)
|
|
{
|
|
int res = 0;
|
|
ast_mutex_lock(&s->lock);
|
|
#if 0
|
|
ast_verbose("writing packet type %d (%d bytes) to socket %d\n", req->e, req->len+8, s->fd);
|
|
#endif
|
|
res = write(s->fd, req, req->len+8);
|
|
if (res != req->len+8) {
|
|
ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, req->len+8, strerror(errno));
|
|
}
|
|
ast_mutex_unlock(&s->lock);
|
|
return 1;
|
|
}
|
|
|
|
/* XXX Do this right */
|
|
static int convert_cap(int capability)
|
|
{
|
|
return 4; /* ulaw (this is not the same as asterisk's '4' */
|
|
|
|
}
|
|
|
|
static void transmit_speaker_mode(struct skinnysession *s, int mode)
|
|
{
|
|
skinny_req *req;
|
|
|
|
req = req_alloc(sizeof(struct set_speaker_message));
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return;
|
|
}
|
|
req->len = sizeof(set_speaker_message)+4;
|
|
req->e = SET_SPEAKER_MESSAGE;
|
|
req->data.setspeaker.mode = mode;
|
|
transmit_response(s, req);
|
|
}
|
|
|
|
static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
|
|
{
|
|
skinny_req *req;
|
|
int memsize = sizeof(struct call_state_message);
|
|
|
|
req = req_alloc(memsize);
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return;
|
|
}
|
|
if (state == SKINNY_ONHOOK) {
|
|
transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
|
|
}
|
|
req->len = sizeof(call_state_message)+4;
|
|
req->e = CALL_STATE_MESSAGE;
|
|
req->data.callstate.callState = state;
|
|
req->data.callstate.lineInstance = instance;
|
|
req->data.callstate.callReference = callid;
|
|
transmit_response(s, req);
|
|
if (state == SKINNY_OFFHOOK) {
|
|
memset(req, 0, memsize);
|
|
req->len = sizeof(activate_call_plane_message)+4;
|
|
req->e = ACTIVATE_CALL_PLANE_MESSAGE;
|
|
req->data.activatecallplane.lineInstance = instance;
|
|
transmit_response(s, req);
|
|
} else if (state == SKINNY_ONHOOK) {
|
|
memset(req, 0, memsize);
|
|
req->len = sizeof(activate_call_plane_message)+4;
|
|
req->e = ACTIVATE_CALL_PLANE_MESSAGE;
|
|
req->data.activatecallplane.lineInstance = 0;
|
|
transmit_response(s, req);
|
|
memset(req, 0, memsize);
|
|
req->len = sizeof(close_recieve_channel_message)+4;
|
|
req->e = CLOSE_RECIEVE_CHANNEL_MESSAGE;
|
|
req->data.closerecievechannel.conferenceId = 0;
|
|
req->data.closerecievechannel.partyId = 0;
|
|
transmit_response(s, req);
|
|
memset(req, 0, memsize);
|
|
req->len = sizeof(stop_media_transmission_message)+4;
|
|
req->e = STOP_MEDIA_TRANSMISSION_MESSAGE;
|
|
req->data.stopmedia.conferenceId = 0;
|
|
req->data.stopmedia.passThruPartyId = 0;
|
|
transmit_response(s, req);
|
|
}
|
|
}
|
|
|
|
static void transmit_connect(struct skinnysession *s)
|
|
{
|
|
skinny_req *req;
|
|
struct skinny_line *l = s->device->lines;
|
|
|
|
req = req_alloc(sizeof(struct open_recieve_channel_message));
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return;
|
|
}
|
|
req->len = sizeof(struct call_info_message);
|
|
req->e = OPEN_RECIEVE_CHANNEL_MESSAGE;
|
|
req->data.openrecievechannel.conferenceId = 0;
|
|
req->data.openrecievechannel.partyId = 0;
|
|
req->data.openrecievechannel.packets = 20;
|
|
req->data.openrecievechannel.capability = convert_cap(l->capability);
|
|
req->data.openrecievechannel.echo = 0;
|
|
req->data.openrecievechannel.bitrate = 0;
|
|
transmit_response(s, req);
|
|
}
|
|
|
|
static void transmit_tone(struct skinnysession *s, int tone)
|
|
{
|
|
skinny_req *req;
|
|
|
|
if (tone > 0)
|
|
req = req_alloc(sizeof(struct start_tone_message));
|
|
else
|
|
req = req_alloc(4);
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return;
|
|
}
|
|
if (tone > 0) {
|
|
req->len = sizeof(start_tone_message)+4;
|
|
req->e = START_TONE_MESSAGE;
|
|
req->data.starttone.tone = tone;
|
|
} else {
|
|
req->len = 4;
|
|
req->e = STOP_TONE_MESSAGE;
|
|
}
|
|
transmit_response(s, req);
|
|
}
|
|
|
|
#if 0
|
|
/* XXX need to properly deal with softkeys */
|
|
static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
|
|
{
|
|
skinny_req *req;
|
|
int memsize = sizeof(struct select_soft_keys_message);
|
|
|
|
req = req_alloc(memsize);
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return;
|
|
}
|
|
memset(req, 0, memsize);
|
|
req->len = sizeof(select_soft_keys_message)+4;
|
|
req->e = SELECT_SOFT_KEYS_MESSAGE;
|
|
req->data.selectsoftkey.instance = instance;
|
|
req->data.selectsoftkey.reference = callid;
|
|
req->data.selectsoftkey.softKeySetIndex = softkey;
|
|
transmit_response(s, req);
|
|
}
|
|
#endif
|
|
|
|
static void transmit_lamp_indication(struct skinnysession *s, int instance, int indication)
|
|
{
|
|
skinny_req *req;
|
|
|
|
req = req_alloc(sizeof(struct set_lamp_message));
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return;
|
|
}
|
|
req->len = sizeof(set_lamp_message)+4;
|
|
req->e = SET_LAMP_MESSAGE;
|
|
req->data.setlamp.stimulus = 0x9; /* magic number */
|
|
req->data.setlamp.stimulusInstance = instance;
|
|
req->data.setlamp.deviceStimulus = indication;
|
|
transmit_response(s, req);
|
|
}
|
|
|
|
static void transmit_ringer_mode(struct skinnysession *s, int mode)
|
|
{
|
|
skinny_req *req;
|
|
|
|
req = req_alloc(sizeof(struct set_ringer_message));
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return;
|
|
}
|
|
req->len = sizeof(set_ringer_message)+4;
|
|
req->e = SET_RINGER_MESSAGE;
|
|
req->data.setringer.ringerMode = mode;
|
|
transmit_response(s, req);
|
|
}
|
|
|
|
/* I do not believe skinny can deal with video.
|
|
Anyone know differently? */
|
|
static struct ast_rtp *skinny_get_vrtp_peer(struct ast_channel *chan)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static struct ast_rtp *skinny_get_rtp_peer(struct ast_channel *chan)
|
|
{
|
|
struct skinny_subchannel *sub;
|
|
sub = chan->pvt->pvt;
|
|
if (sub && sub->rtp)
|
|
return sub->rtp;
|
|
return NULL;
|
|
}
|
|
|
|
static int skinny_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs)
|
|
{
|
|
struct skinny_subchannel *sub;
|
|
sub = chan->pvt->pvt;
|
|
if (sub) {
|
|
/* transmit_modify_with_sdp(sub, rtp); @@FIXME@@ if needed */
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static struct ast_rtp_protocol skinny_rtp = {
|
|
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 != 2)
|
|
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 != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
skinnydebug = 0;
|
|
ast_cli(fd, "Skinny Debugging Disabled\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int skinny_show_lines(int fd, int argc, char *argv[])
|
|
{
|
|
struct skinny_device *d;
|
|
struct skinny_line *l;
|
|
int haslines = 0;
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
ast_mutex_lock(&devicelock);
|
|
d = devices;
|
|
while(d) {
|
|
l = d->lines;
|
|
ast_cli(fd, "Device '%s' at %s\n", d->name, inet_ntoa(d->addr.sin_addr));
|
|
while(l) {
|
|
ast_cli(fd, " -- '%s@%s in '%s' is %s\n", l->name, d->name, l->context, l->sub->owner ? "active" : "idle");
|
|
haslines = 1;
|
|
l = l->next;
|
|
}
|
|
if (!haslines) {
|
|
ast_cli(fd, " << No Lines Defined >> ");
|
|
}
|
|
d = d->next;
|
|
}
|
|
ast_mutex_unlock(&devicelock);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char show_lines_usage[] =
|
|
"Usage: skinny show lines\n"
|
|
" Lists all lines known to the Skinny subsystem.\n";
|
|
|
|
static char debug_usage[] =
|
|
"Usage: skinny debug\n"
|
|
" Enables dumping of Skinny packets for debugging purposes\n";
|
|
|
|
static char no_debug_usage[] =
|
|
"Usage: skinny no debug\n"
|
|
" Disables dumping of Skinny packets for debugging purposes\n";
|
|
|
|
static struct ast_cli_entry cli_show_lines =
|
|
{ { "skinny", "show", "lines", NULL }, skinny_show_lines, "Show defined Skinny lines per device", show_lines_usage };
|
|
static struct ast_cli_entry cli_debug =
|
|
{ { "skinny", "debug", NULL }, skinny_do_debug, "Enable Skinny debugging", debug_usage };
|
|
static struct ast_cli_entry cli_no_debug =
|
|
{ { "skinny", "no", "debug", NULL }, skinny_no_debug, "Disable Skinny debugging", no_debug_usage };
|
|
|
|
static struct skinny_device *build_device(char *cat, struct ast_variable *v)
|
|
{
|
|
struct skinny_device *d;
|
|
struct skinny_line *l;
|
|
struct skinny_subchannel *sub;
|
|
int i=0, y=0;
|
|
|
|
d = malloc(sizeof(struct skinny_device));
|
|
if (d) {
|
|
memset(d, 0, sizeof(struct skinny_device));
|
|
strncpy(d->name, cat, sizeof(d->name) - 1);
|
|
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")) {
|
|
strncpy(d->id, v->value, sizeof(d->id)-1);
|
|
} else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
|
|
d->ha = ast_append_ha(v->name, v->value, d->ha);
|
|
} else if (!strcasecmp(v->name, "context")) {
|
|
strncpy(context, v->value, sizeof(context) - 1);
|
|
} else if (!strcasecmp(v->name, "version")) {
|
|
strncpy(d->version_id, v->value, sizeof(d->version_id) -1);
|
|
} else if (!strcasecmp(v->name, "nat")) {
|
|
nat = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "callerid")) {
|
|
if (!strcasecmp(v->value, "asreceived")) {
|
|
strcpy(callerid, "");
|
|
} else {
|
|
strncpy(callerid, v->value, sizeof(callerid) - 1);
|
|
}
|
|
} else if (!strcasecmp(v->name, "language")) {
|
|
strncpy(language, v->value, sizeof(language)-1);
|
|
} else if (!strcasecmp(v->name, "accountcode")) {
|
|
strncpy(accountcode, v->value, sizeof(accountcode)-1);
|
|
} 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, "musiconhold")) {
|
|
strncpy(musicclass, v->value, sizeof(musicclass)-1);
|
|
} 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")) {
|
|
strncpy(mailbox, v->value, sizeof(mailbox) -1);
|
|
} else if (!strcasecmp(v->name, "callreturn")) {
|
|
callreturn = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "immediate")) {
|
|
immediate = 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, "linelabel")) {
|
|
strncpy(linelabel, v->value, sizeof(linelabel)-1);
|
|
} else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
|
|
l = malloc(sizeof(struct skinny_line));;
|
|
if (l) {
|
|
memset(l, 0, sizeof(struct skinny_line));
|
|
strncpy(l->name, v->value, sizeof(l->name) - 1);
|
|
|
|
/* XXX Should we check for uniqueness?? XXX */
|
|
|
|
strncpy(l->context, context, sizeof(l->context) - 1);
|
|
strncpy(l->callerid, callerid, sizeof(l->callerid) - 1);
|
|
strncpy(l->label, linelabel, sizeof(l->label) - 1);
|
|
strncpy(l->language, language, sizeof(l->language) - 1);
|
|
strncpy(l->musicclass, musicclass, sizeof(l->musicclass)-1);
|
|
strncpy(l->mailbox, mailbox, sizeof(l->mailbox)-1);
|
|
strncpy(l->mailbox, mailbox, sizeof(l->mailbox)-1);
|
|
if (!ast_strlen_zero(mailbox)) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
|
|
}
|
|
|
|
l->msgstate = -1;
|
|
l->capability = capability;
|
|
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->onhooktime = time(NULL);
|
|
l->instance = 1;
|
|
/* ASSUME we're onhook at this point*/
|
|
l->hookstate = SKINNY_ONHOOK;
|
|
|
|
for (i = 0; i < MAX_SUBS; i++) {
|
|
sub = malloc(sizeof(struct skinny_subchannel));
|
|
if (sub) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Allocating Skinny subchannel '%d' on %s@%s\n", i, l->name, d->name);
|
|
memset(sub, 0, sizeof(struct skinny_subchannel));
|
|
sub->parent = l;
|
|
/* Make a call*ID */
|
|
sub->callid = callnums;
|
|
callnums++;
|
|
sub->cxmode = SKINNY_CX_INACTIVE;
|
|
sub->nat = nat;
|
|
sub->next = l->sub;
|
|
l->sub = sub;
|
|
} else {
|
|
/* XXX Should find a way to clean up our memory */
|
|
ast_log(LOG_WARNING, "Out of memory allocating subchannel");
|
|
return NULL;
|
|
}
|
|
}
|
|
l->next = d->lines;
|
|
d->lines = l;
|
|
} else {
|
|
/* XXX Should find a way to clean up our memory */
|
|
ast_log(LOG_WARNING, "Out of memory allocating line");
|
|
return NULL;
|
|
}
|
|
} 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 (d->addr.sin_addr.s_addr) {
|
|
if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
|
|
memcpy(&d->ourip, &__ourip, sizeof(d->ourip));
|
|
}
|
|
} else {
|
|
memcpy(&d->ourip, &__ourip, sizeof(d->ourip));
|
|
}
|
|
}
|
|
return d;
|
|
}
|
|
|
|
static int has_voicemail(struct skinny_line *l)
|
|
{
|
|
return ast_app_has_voicemail(l->mailbox);
|
|
}
|
|
|
|
static int skinny_register(skinny_req *req, struct skinnysession *s)
|
|
{
|
|
struct skinny_device *d;
|
|
|
|
ast_mutex_lock(&devicelock);
|
|
d = devices;
|
|
while (d) {
|
|
if (!strcasecmp(req->data.reg.name, d->id)) {
|
|
/* XXX Deal with IP authentication */
|
|
s->device = d;
|
|
d->type = req->data.reg.type;
|
|
if (ast_strlen_zero(d->version_id)) {
|
|
strncpy(d->version_id, version_id, sizeof(d->version_id));
|
|
}
|
|
d->registered = 1;
|
|
d->session = s;
|
|
break;
|
|
}
|
|
d = d->next;
|
|
}
|
|
ast_mutex_unlock(&devicelock);
|
|
|
|
if (!d)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void start_rtp(struct skinny_subchannel *sub)
|
|
{
|
|
ast_mutex_lock(&sub->lock);
|
|
/* Allocate the RTP */
|
|
sub->rtp = ast_rtp_new(sched, io, 1, 0);
|
|
if (sub->rtp && sub->owner)
|
|
sub->owner->fds[0] = ast_rtp_fd(sub->rtp);
|
|
if (sub->rtp)
|
|
ast_rtp_setnat(sub->rtp, sub->nat);
|
|
|
|
/* Create the RTP connection */
|
|
transmit_connect(sub->parent->parent->session);
|
|
ast_mutex_unlock(&sub->lock);
|
|
}
|
|
|
|
|
|
static void *skinny_ss(void *data)
|
|
{
|
|
struct ast_channel *chan = data;
|
|
struct skinny_subchannel *sub = chan->pvt->pvt;
|
|
struct skinny_line *l = sub->parent;
|
|
struct skinnysession *s = l->parent->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, l->parent->name);
|
|
}
|
|
while(len < AST_MAX_EXTENSION-1) {
|
|
res = ast_waitfordigit(chan, timeout);
|
|
timeout = 0;
|
|
if (res < 0) {
|
|
if (skinnydebug) {
|
|
ast_verbose("Skinny(%s@%s): waitfordigit returned < 0\n", l->name, l->parent->name);
|
|
}
|
|
ast_indicate(chan, -1);
|
|
ast_hangup(chan);
|
|
return NULL;
|
|
} else if (res) {
|
|
exten[len++]=res;
|
|
exten[len] = '\0';
|
|
}
|
|
if (!ast_ignore_pattern(chan->context, exten)) {
|
|
transmit_tone(s, SKINNY_SILENCE);
|
|
}
|
|
if (ast_exists_extension(chan, chan->context, exten, 1, l->callerid)) {
|
|
if (!res || !ast_matchmore_extension(chan, chan->context, exten, 1, l->callerid)) {
|
|
if (getforward) {
|
|
/* Record this as the forwarding extension */
|
|
strncpy(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, chan->name);
|
|
}
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
if (res) {
|
|
break;
|
|
}
|
|
usleep(500000);
|
|
ast_indicate(chan, -1);
|
|
sleep(1);
|
|
memset(exten, 0, sizeof(exten));
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
len = 0;
|
|
getforward = 0;
|
|
} else {
|
|
strncpy(chan->exten, exten, sizeof(chan->exten)-1);
|
|
if (!ast_strlen_zero(l->callerid)) {
|
|
if (!l->hidecallerid)
|
|
chan->callerid = strdup(l->callerid);
|
|
chan->ani = strdup(l->callerid);
|
|
}
|
|
ast_setstate(chan, AST_STATE_RING);
|
|
res = ast_pbx_run(chan);
|
|
if (res) {
|
|
ast_log(LOG_WARNING, "PBX exited non-zero\n");
|
|
transmit_tone(s, SKINNY_REORDER);
|
|
}
|
|
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) {
|
|
ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
|
|
transmit_tone(s, SKINNY_REORDER);
|
|
ast_hangup(chan);
|
|
return NULL;
|
|
} else if (l->callwaiting && !strcmp(exten, "*70")) {
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Disabling call waiting on %s\n", chan->name);
|
|
}
|
|
/* Disable call waiting if enabled */
|
|
l->callwaiting = 0;
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
len = 0;
|
|
memset(exten, 0, sizeof(exten));
|
|
timeout = firstdigittimeout;
|
|
|
|
} else if (!strcmp(exten,ast_pickup_ext())) {
|
|
/* Scan all channels and see if any there
|
|
* ringing channqels with that have call groups
|
|
* that equal this channels pickup group
|
|
*/
|
|
if (ast_pickup_call(chan)) {
|
|
ast_log(LOG_WARNING, "No call pickup possible...\n");
|
|
transmit_tone(s, SKINNY_REORDER);
|
|
}
|
|
ast_hangup(chan);
|
|
return NULL;
|
|
|
|
} else if (!l->hidecallerid && !strcmp(exten, "*67")) {
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Disabling Caller*ID on %s\n", chan->name);
|
|
}
|
|
/* Disable Caller*ID if enabled */
|
|
l->hidecallerid = 1;
|
|
if (chan->callerid)
|
|
free(chan->callerid);
|
|
chan->callerid = NULL;
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
len = 0;
|
|
memset(exten, 0, sizeof(exten));
|
|
timeout = firstdigittimeout;
|
|
} else if (l->callreturn && !strcmp(exten, "*69")) {
|
|
res = 0;
|
|
if (!ast_strlen_zero(l->lastcallerid)) {
|
|
res = ast_say_digit_str(chan, l->lastcallerid, "", chan->language);
|
|
}
|
|
if (!res) {
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
}
|
|
break;
|
|
} else if (!strcmp(exten, "*78")) {
|
|
/* Do not disturb */
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Enabled DND on channel %s\n", chan->name);
|
|
}
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
l->dnd = 1;
|
|
getforward = 0;
|
|
memset(exten, 0, sizeof(exten));
|
|
len = 0;
|
|
} else if (!strcmp(exten, "*79")) {
|
|
/* Do not disturb */
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Disabled DND on channel %s\n", chan->name);
|
|
}
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
l->dnd = 0;
|
|
getforward = 0;
|
|
memset(exten, 0, sizeof(exten));
|
|
len = 0;
|
|
} else if (l->cancallforward && !strcmp(exten, "*72")) {
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
getforward = 1;
|
|
memset(exten, 0, sizeof(exten));
|
|
len = 0;
|
|
} else if (l->cancallforward && !strcmp(exten, "*73")) {
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Cancelling call forwarding on channel %s\n", chan->name);
|
|
}
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
memset(l->call_forward, 0, sizeof(l->call_forward));
|
|
getforward = 0;
|
|
memset(exten, 0, sizeof(exten));
|
|
len = 0;
|
|
} else if (!strcmp(exten, ast_parking_ext()) &&
|
|
sub->next->owner &&
|
|
sub->next->owner->bridge) {
|
|
/* This is a three way call, the main call being a real channel,
|
|
and we're parking the first call. */
|
|
ast_masq_park_call(sub->next->owner->bridge, chan, 0, NULL);
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Parking call to '%s'\n", chan->name);
|
|
}
|
|
break;
|
|
} else if (!ast_strlen_zero(l->lastcallerid) && !strcmp(exten, "*80")) {
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Blacklisting number %s\n", l->lastcallerid);
|
|
}
|
|
res = ast_db_put("blacklist", l->lastcallerid, "1");
|
|
if (!res) {
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
memset(exten, 0, sizeof(exten));
|
|
len = 0;
|
|
}
|
|
} else if (l->hidecallerid && !strcmp(exten, "*82")) {
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Enabling Caller*ID on %s\n", chan->name);
|
|
}
|
|
/* Enable Caller*ID if enabled */
|
|
l->hidecallerid = 0;
|
|
if (chan->callerid)
|
|
free(chan->callerid);
|
|
if (!ast_strlen_zero(l->callerid))
|
|
chan->callerid = strdup(l->callerid);
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
len = 0;
|
|
memset(exten, 0, sizeof(exten));
|
|
timeout = firstdigittimeout;
|
|
} else if (!ast_canmatch_extension(chan, chan->context, exten, 1, chan->callerid) &&
|
|
((exten[0] != '*') || (!ast_strlen_zero(exten) > 2))) {
|
|
ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", exten, chan->callerid ? chan->callerid : "<Unknown Caller>", chan->context);
|
|
transmit_tone(s, SKINNY_REORDER);
|
|
sleep(3); // hang out for 3 seconds to let congestion play
|
|
break;
|
|
}
|
|
if (!timeout)
|
|
timeout = gendigittimeout;
|
|
if (len && !ast_ignore_pattern(chan->context, exten))
|
|
ast_indicate(chan, -1);
|
|
}
|
|
ast_hangup(chan);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
|
|
{
|
|
int res = 0;
|
|
int tone = 0;
|
|
struct skinny_line *l;
|
|
struct skinny_subchannel *sub;
|
|
struct skinnysession *session;
|
|
|
|
sub = ast->pvt->pvt;
|
|
l = sub->parent;
|
|
session = l->parent->session;
|
|
|
|
if (!l->parent->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(session, l->instance, SKINNY_LAMP_BLINK);
|
|
transmit_ringer_mode(session, SKINNY_RING_INSIDE);
|
|
transmit_tone(session, tone);
|
|
transmit_callstate(session, l->instance, SKINNY_RINGIN, sub->callid);
|
|
|
|
/* XXX need to set the prompt */
|
|
/* XXX need to deal with softkeys */
|
|
|
|
ast_setstate(ast, AST_STATE_RINGING);
|
|
ast_queue_control(ast, AST_CONTROL_RINGING);
|
|
|
|
sub->outgoing = 1;
|
|
if (l->type == TYPE_LINE) {
|
|
if (!sub->rtp) {
|
|
start_rtp(sub);
|
|
} else {
|
|
/* do/should we need to anything if there already is an RTP allocated? */
|
|
}
|
|
|
|
} else {
|
|
ast_log(LOG_ERROR, "I don't know how to dial on trunks, yet\n");
|
|
res = -1;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
static int skinny_hangup(struct ast_channel *ast)
|
|
{
|
|
struct skinny_subchannel *sub = ast->pvt->pvt;
|
|
struct skinny_line *l = sub->parent;
|
|
struct skinnysession *s = l->parent->session;
|
|
|
|
if (skinnydebug) {
|
|
ast_verbose("skinny_hangup(%s) on %s@%s\n", ast->name, l->name, l->parent->name);
|
|
}
|
|
if (!ast->pvt->pvt) {
|
|
ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n");
|
|
return 0;
|
|
}
|
|
|
|
if (l->parent->registered) {
|
|
if ((sub->parent->type = TYPE_LINE) && (sub->parent->hookstate == SKINNY_OFFHOOK)) {
|
|
sub->parent->hookstate = SKINNY_ONHOOK;
|
|
transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
|
|
transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
|
|
} else if ((sub->parent->type = TYPE_LINE) && (sub->parent->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);
|
|
}
|
|
}
|
|
ast_mutex_lock(&sub->lock);
|
|
sub->owner = NULL;
|
|
ast->pvt->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->pvt->pvt;
|
|
struct skinny_line *l = sub->parent;
|
|
sub->cxmode = SKINNY_CX_SENDRECV;
|
|
if (!sub->rtp) {
|
|
start_rtp(sub);
|
|
}
|
|
ast_verbose("skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, l->parent->name, sub->callid);
|
|
if (ast->_state != AST_STATE_UP) {
|
|
ast_setstate(ast, AST_STATE_UP);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
|
|
{
|
|
/* Retrieve audio/etc from channel. Assumes sub->lock is already held. */
|
|
struct ast_frame *f;
|
|
f = ast_rtp_read(sub->rtp);
|
|
if (sub->owner) {
|
|
/* We already hold the channel lock */
|
|
if (f->frametype == AST_FRAME_VOICE) {
|
|
if (f->subclass != sub->owner->nativeformats) {
|
|
ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
|
|
sub->owner->nativeformats = f->subclass;
|
|
ast_set_read_format(sub->owner, sub->owner->readformat);
|
|
ast_set_write_format(sub->owner, sub->owner->writeformat);
|
|
}
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
static struct ast_frame *skinny_read(struct ast_channel *ast)
|
|
{
|
|
struct ast_frame *fr;
|
|
struct skinny_subchannel *sub = ast->pvt->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->pvt->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->pvt->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(struct ast_channel *ast, char digit)
|
|
{
|
|
#if 0
|
|
struct skinny_subchannel *sub = ast->pvt->pvt;
|
|
int tmp;
|
|
/* not right */
|
|
sprintf(tmp, "%d", digit);
|
|
transmit_tone(sub->parent->parent->session, digit);
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
static char *control2str(int ind) {
|
|
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 -1:
|
|
return "Stop tone";
|
|
}
|
|
return "UNKNOWN";
|
|
}
|
|
|
|
|
|
static int skinny_indicate(struct ast_channel *ast, int ind)
|
|
{
|
|
struct skinny_subchannel *sub = ast->pvt->pvt;
|
|
struct skinny_line *l = sub->parent;
|
|
struct skinnysession *s = l->parent->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_RINGING) {
|
|
if (!sub->progress) {
|
|
transmit_tone(s, SKINNY_ALERT);
|
|
transmit_callstate(s, l->instance, SKINNY_RINGOUT, sub->callid);
|
|
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_callstate(s, l->instance, SKINNY_PROGRESS, sub->callid);
|
|
sub->progress = 1;
|
|
break;
|
|
}
|
|
return -1;
|
|
case -1:
|
|
transmit_tone(s, SKINNY_SILENCE);
|
|
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_subchannel *sub, int state)
|
|
{
|
|
struct ast_channel *tmp;
|
|
struct skinny_line *l = sub->parent;
|
|
int fmt;
|
|
l = sub->parent;
|
|
tmp = ast_channel_alloc(1);
|
|
if (tmp) {
|
|
tmp->nativeformats = l->capability;
|
|
if (!tmp->nativeformats)
|
|
tmp->nativeformats = capability;
|
|
fmt = ast_best_codec(tmp->nativeformats);
|
|
snprintf(tmp->name, sizeof(tmp->name), "Skinny/%s@%s-%d", l->name, l->parent->name, sub->callid);
|
|
if (sub->rtp)
|
|
tmp->fds[0] = ast_rtp_fd(sub->rtp);
|
|
tmp->type = type;
|
|
ast_setstate(tmp, state);
|
|
if (state == AST_STATE_RING)
|
|
tmp->rings = 1;
|
|
tmp->writeformat = fmt;
|
|
tmp->pvt->rawwriteformat = fmt;
|
|
tmp->readformat = fmt;
|
|
tmp->pvt->rawreadformat = fmt;
|
|
tmp->pvt->pvt = sub;
|
|
tmp->pvt->call = skinny_call;
|
|
tmp->pvt->hangup = skinny_hangup;
|
|
tmp->pvt->answer = skinny_answer;
|
|
tmp->pvt->read = skinny_read;
|
|
tmp->pvt->write = skinny_write;
|
|
tmp->pvt->indicate = skinny_indicate;
|
|
tmp->pvt->fixup = skinny_fixup;
|
|
tmp->pvt->send_digit = skinny_senddigit;
|
|
/* tmp->pvt->bridge = ast_rtp_bridge; */
|
|
if (!ast_strlen_zero(l->language))
|
|
strncpy(tmp->language, l->language, sizeof(tmp->language)-1);
|
|
if (!ast_strlen_zero(l->accountcode))
|
|
strncpy(tmp->accountcode, l->accountcode, sizeof(tmp->accountcode)-1);
|
|
if (l->amaflags)
|
|
tmp->amaflags = l->amaflags;
|
|
sub->owner = tmp;
|
|
ast_mutex_lock(&usecnt_lock);
|
|
usecnt++;
|
|
ast_mutex_unlock(&usecnt_lock);
|
|
ast_update_use_count();
|
|
tmp->callgroup = l->callgroup;
|
|
tmp->pickupgroup = l->pickupgroup;
|
|
strncpy(tmp->call_forward, l->call_forward, sizeof(tmp->call_forward));
|
|
strncpy(tmp->context, l->context, sizeof(tmp->context)-1);
|
|
strncpy(tmp->exten,l->exten, sizeof(tmp->exten)-1);
|
|
if (!ast_strlen_zero(l->callerid)) {
|
|
tmp->callerid = strdup(l->callerid);
|
|
}
|
|
tmp->priority = 1;
|
|
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;
|
|
}
|
|
}
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
|
|
}
|
|
|
|
return tmp;
|
|
}
|
|
|
|
static int handle_message(skinny_req *req, struct skinnysession *s)
|
|
{
|
|
struct skinny_subchannel *sub;
|
|
struct ast_channel *c;
|
|
struct ast_frame f = { 0, };
|
|
struct sockaddr_in sin;
|
|
struct sockaddr_in us;
|
|
struct skinny_line *lines;
|
|
char name[16];
|
|
char addr[4];
|
|
char d;
|
|
int digit;
|
|
int res=0;
|
|
int speedDialNum;
|
|
int lineNumber;
|
|
int stimulus;
|
|
int stimulusInstance;
|
|
int status;
|
|
int port;
|
|
int i;
|
|
time_t timer;
|
|
struct tm *cmtime;
|
|
pthread_t t;
|
|
|
|
if ( (!s->device) && (req->e != REGISTER_MESSAGE && req->e != ALARM_MESSAGE)) {
|
|
ast_log(LOG_WARNING, "Client sent message #%d without first registering.\n", req->e);
|
|
free(req);
|
|
return 0;
|
|
}
|
|
|
|
switch(req->e) {
|
|
case ALARM_MESSAGE:
|
|
/* no response necessary */
|
|
break;
|
|
case REGISTER_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Device %s is attempting to register\n", req->data.reg.name);
|
|
}
|
|
res = skinny_register(req, s);
|
|
if (!res) {
|
|
ast_log(LOG_ERROR, "Rejecting Device %s: Device not found\n", req->data.reg.name);
|
|
memcpy(&name, req->data.reg.name, sizeof(req->data.reg.name));
|
|
memset(req, 0, sizeof(skinny_req));
|
|
req->len = sizeof(register_rej_message)+4;
|
|
req->e = REGISTER_REJ_MESSAGE;
|
|
sprintf(req->data.regrej.errMsg, "No Authority: %s", name);
|
|
transmit_response(s, req);
|
|
break;
|
|
}
|
|
if (option_verbose > 2) {
|
|
ast_verbose(VERBOSE_PREFIX_3 "Device '%s' successfuly registered\n", s->device->name);
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(register_ack_message)+4;
|
|
req->e = REGISTER_ACK_MESSAGE;
|
|
strcpy(req->data.regack.res, "0");
|
|
req->data.regack.keepAlive = keep_alive;
|
|
strcpy(req->data.regack.dateTemplate, date_format);
|
|
strcpy(req->data.regack.res2, "0");
|
|
req->data.regack.secondaryKeepAlive = keep_alive;
|
|
transmit_response(s, req);
|
|
if (skinnydebug) {
|
|
ast_verbose("Requesting capabilities\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = 4;
|
|
req->e = CAPABILITIES_REQ_MESSAGE;
|
|
transmit_response(s, req);
|
|
break;
|
|
case UNREGISTER_MESSAGE:
|
|
/* XXX Acutally unregister the device */
|
|
break;
|
|
case IP_PORT_MESSAGE:
|
|
/* no response necessary */
|
|
break;
|
|
case STIMULUS_MESSAGE:
|
|
stimulus = req->data.stimulus.stimulus;
|
|
stimulusInstance = req->data.stimulus.stimulusInstance;
|
|
|
|
switch(stimulus) {
|
|
case STIMULUS_REDIAL:
|
|
/* XXX how we gonna deal with redial ?!?! */
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Stimulus: Redial(%d)\n", stimulusInstance);
|
|
}
|
|
break;
|
|
case STIMULUS_SPEEDDIAL:
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Stimulus: SpeedDial(%d)\n", stimulusInstance);
|
|
}
|
|
break;
|
|
case STIMULUS_HOLD:
|
|
/* start moh? set RTP to 0.0.0.0? */
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Stimulus: Hold(%d)\n", stimulusInstance);
|
|
}
|
|
break;
|
|
case STIMULUS_TRANSFER:
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Stimulus: Transfer(%d)\n", stimulusInstance);
|
|
}
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
|
|
/* figure out how to transfer */
|
|
|
|
break;
|
|
case STIMULUS_FORWARDALL:
|
|
case STIMULUS_FORWARDBUSY:
|
|
case STIMULUS_FORWARDNOANSWER:
|
|
/* Gonna be fun, not */
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Stimulus: Forward (%d)\n", stimulusInstance);
|
|
}
|
|
break;
|
|
case STIMULUS_DISPLAY:
|
|
/* Not sure what this is */
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Stimulus: Display(%d)\n", stimulusInstance);
|
|
}
|
|
break;
|
|
case STIMULUS_LINE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Stimulus: Line(%d)\n", stimulusInstance);
|
|
}
|
|
sub = find_subchannel_by_line(s->device->lines);
|
|
/* turn the speaker on */
|
|
transmit_speaker_mode(s, 1);
|
|
break;
|
|
default:
|
|
ast_verbose("RECEIVED UNKNOWN STIMULUS: %d(%d)\n", stimulus, stimulusInstance);
|
|
break;
|
|
}
|
|
break;
|
|
case VERSION_REQ_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Version Request\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(version_res_message)+4;
|
|
req->e = VERSION_RES_MESSAGE;
|
|
sprintf(req->data.version.version, s->device->version_id);
|
|
transmit_response(s, req);
|
|
break;
|
|
case SERVER_REQUEST_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved Server Request\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(server_res_message)+4;
|
|
req->e = SERVER_RES_MESSAGE;
|
|
memcpy(req->data.serverres.server[0].serverName, ourhost,
|
|
sizeof(req->data.serverres.server[0].serverName));
|
|
req->data.serverres.serverListenPort[0] = ourport;
|
|
req->data.serverres.serverIpAddr[0] = __ourip.s_addr;
|
|
transmit_response(s, req);
|
|
break;
|
|
case BUTTON_TEMPLATE_REQ_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Buttontemplate requested\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(button_template_res_message)+4;
|
|
req->e = BUTTON_TEMPLATE_RES_MESSAGE;
|
|
req->data.buttontemplate.buttonOffset = 0;
|
|
req->data.buttontemplate.buttonCount = 10;
|
|
req->data.buttontemplate.totalButtonCount = 10;
|
|
/* XXX Figure out how to do this correctly */
|
|
memcpy(req->data.buttontemplate.definition,
|
|
button_definition_hack,
|
|
sizeof(req->data.buttontemplate.definition));
|
|
transmit_response(s, req);
|
|
break;
|
|
case SOFT_KEY_SET_REQ_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Received SoftKeySetReq\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(soft_key_sets)+4;
|
|
req->e = SOFT_KEY_SET_RES_MESSAGE;
|
|
req->data.softkeysets.softKeySetOffset = 0;
|
|
req->data.softkeysets.softKeySetCount = 11;
|
|
req->data.softkeysets.totalSoftKeySetCount = 11;
|
|
/* XXX Wicked hack XXX */
|
|
memcpy(req->data.softkeysets.softKeySetDefinition,
|
|
soft_key_set_hack,
|
|
sizeof(req->data.softkeysets.softKeySetDefinition));
|
|
transmit_response(s,req);
|
|
break;
|
|
case SOFT_KEY_TEMPLATE_REQ_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Recieved SoftKey Template Request\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(soft_key_template)+4;
|
|
req->e = SOFT_KEY_TEMPLATE_RES_MESSAGE;
|
|
req->data.softkeytemplate.softKeyOffset = 0;
|
|
req->data.softkeytemplate.softKeyCount = 21;
|
|
req->data.softkeytemplate.totalSoftKeyCount = 21;
|
|
/* XXX Another wicked hack XXX */
|
|
memcpy(req->data.softkeytemplate.softKeyTemplateDefinition,
|
|
soft_key_template_hack,
|
|
sizeof(req->data.softkeytemplate.softKeyTemplateDefinition));
|
|
transmit_response(s,req);
|
|
break;
|
|
case TIME_DATE_REQ_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Received Time/Date Request\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(definetimedate_message)+4;
|
|
req->e = DEFINETIMEDATE_MESSAGE;
|
|
timer=time(NULL);
|
|
cmtime = localtime(&timer);
|
|
req->data.definetimedate.year = cmtime->tm_year+1900;
|
|
req->data.definetimedate.month = cmtime->tm_mon+1;
|
|
req->data.definetimedate.dayofweek = cmtime->tm_wday;
|
|
req->data.definetimedate.day = cmtime->tm_mday;
|
|
req->data.definetimedate.hour = cmtime->tm_hour;
|
|
req->data.definetimedate.minute = cmtime->tm_min;
|
|
req->data.definetimedate.seconds = cmtime->tm_sec;
|
|
transmit_response(s, req);
|
|
break;
|
|
case SPEED_DIAL_STAT_REQ_MESSAGE:
|
|
/* Not really sure how Speed Dial's are different than the
|
|
Softkey templates */
|
|
speedDialNum = req->data.speeddialreq.speedDialNumber;
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(speed_dial_stat_res_message)+4;
|
|
req->e = SPEED_DIAL_STAT_RES_MESSAGE;
|
|
#if 0
|
|
/* XXX Do this right XXX */
|
|
req->data.speeddialreq.speedDialNumber = speedDialNum;
|
|
sprintf(req->data.speeddial.speedDialDirNumber, "31337");
|
|
sprintf(req->data.speeddial.speedDialDisplayName, "Asterisk Rules!");
|
|
#endif
|
|
transmit_response(s, req);
|
|
break;
|
|
case LINE_STATE_REQ_MESSAGE:
|
|
lineNumber = req->data.line.lineNumber;
|
|
if (skinnydebug) {
|
|
ast_verbose("Received LineStateReq\n");
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(line_stat_res_message)+4;
|
|
req->e = LINE_STAT_RES_MESSAGE;
|
|
sub = find_subchannel_by_line(s->device->lines);
|
|
if (!sub) {
|
|
ast_log(LOG_NOTICE, "No available lines on: %s\n", s->device->name);
|
|
return 0;
|
|
}
|
|
lines = sub->parent;
|
|
ast_mutex_lock(&devicelock);
|
|
for (i=1; i < lineNumber; i++) {
|
|
lines = lines->next;
|
|
}
|
|
ast_mutex_unlock(&devicelock);
|
|
req->data.linestat.linenumber = lineNumber;
|
|
memcpy(req->data.linestat.lineDirNumber, lines->name,
|
|
sizeof(req->data.linestat.lineDirNumber));
|
|
memcpy(req->data.linestat.lineDisplayName, lines->label,
|
|
sizeof(req->data.linestat.lineDisplayName));
|
|
transmit_response(s,req);
|
|
break;
|
|
case CAPABILITIES_RES_MESSAGE:
|
|
if (skinnydebug) {
|
|
ast_verbose("Received CapabilitiesRes\n");
|
|
}
|
|
/* XXX process the capabilites */
|
|
break;
|
|
case KEEP_ALIVE_MESSAGE:
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = 4;
|
|
req->e = KEEP_ALIVE_ACK_MESSAGE;
|
|
transmit_response(s, req);
|
|
break;
|
|
case OFFHOOK_MESSAGE:
|
|
transmit_ringer_mode(s,SKINNY_RING_OFF);
|
|
transmit_lamp_indication(s, s->device->lines->instance, SKINNY_LAMP_ON);
|
|
|
|
sub = find_subchannel_by_line(s->device->lines);
|
|
if (!sub) {
|
|
ast_log(LOG_NOTICE, "No available lines on: %s\n", s->device->name);
|
|
return 0;
|
|
}
|
|
sub->parent->hookstate = SKINNY_OFFHOOK;
|
|
|
|
if (sub->outgoing) {
|
|
transmit_callstate(s, s->device->lines->instance, SKINNY_OFFHOOK, sub->callid);
|
|
transmit_tone(s, SKINNY_SILENCE);
|
|
ast_setstate(sub->owner, AST_STATE_UP);
|
|
/* XXX select the appropriate soft key here */
|
|
} else {
|
|
if (!sub->owner) {
|
|
transmit_callstate(s, s->device->lines->instance, SKINNY_OFFHOOK, sub->callid);
|
|
transmit_tone(s, SKINNY_DIALTONE);
|
|
c = skinny_new(sub, AST_STATE_DOWN);
|
|
if(c) {
|
|
/* start switch */
|
|
if (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", sub->parent->name, s->device->name);
|
|
}
|
|
|
|
} else {
|
|
ast_log(LOG_DEBUG, "Current sub [%s] already has owner\n", sub->owner->name);
|
|
}
|
|
}
|
|
break;
|
|
case ONHOOK_MESSAGE:
|
|
sub = find_subchannel_by_line(s->device->lines);
|
|
if (sub->parent->hookstate == SKINNY_ONHOOK) {
|
|
/* Somthing else already put us back on hook */
|
|
break;
|
|
}
|
|
sub->cxmode = SKINNY_CX_RECVONLY;
|
|
sub->parent->hookstate = SKINNY_ONHOOK;
|
|
transmit_callstate(s, s->device->lines->instance, sub->parent->hookstate,sub->callid);
|
|
if (skinnydebug) {
|
|
ast_verbose("Skinny %s@%s went on hook\n",sub->parent->name, sub->parent->parent->name);
|
|
}
|
|
if (sub->parent->transfer && (sub->owner && sub->next->owner) && ((!sub->outgoing) || (!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 (p->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 -1;
|
|
}
|
|
#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",
|
|
sub->parent->name, sub->parent->parent->name, sub->callid);
|
|
}
|
|
}
|
|
|
|
if ((sub->parent->hookstate == SKINNY_ONHOOK) && (!sub->next->rtp)) {
|
|
if (has_voicemail(sub->parent)) {
|
|
transmit_lamp_indication(s, s->device->lines->instance, SKINNY_LAMP_FLASH);
|
|
} else {
|
|
transmit_lamp_indication(s, s->device->lines->instance, SKINNY_LAMP_OFF);
|
|
}
|
|
}
|
|
break;
|
|
case KEYPAD_BUTTON_MESSAGE:
|
|
digit = req->data.keypad.button;
|
|
if (skinnydebug) {
|
|
ast_verbose("Collected digit: [%d]\n", digit);
|
|
}
|
|
f.frametype = AST_FRAME_DTMF;
|
|
if (digit == 14) {
|
|
sprintf(&d, "*");
|
|
} else if (digit == 15) {
|
|
sprintf(&d, "#");
|
|
} else {
|
|
sprintf(&d, "%d", digit);
|
|
}
|
|
f.subclass = d;
|
|
f.src = "skinny";
|
|
|
|
sub = find_subchannel_by_line(s->device->lines);
|
|
|
|
if (sub->owner) {
|
|
/* XXX MUST queue this frame to all subs in threeway call if threeway call is active */
|
|
ast_queue_frame(sub->owner, &f);
|
|
if (sub->next->owner) {
|
|
ast_queue_frame(sub->next->owner, &f);
|
|
}
|
|
} else {
|
|
ast_verbose("No owner: %s\n", s->device->lines->name);
|
|
}
|
|
break;
|
|
case OPEN_RECIEVE_CHANNEL_ACK_MESSAGE:
|
|
ast_verbose("Recieved Open Recieve Channel Ack\n");
|
|
status = req->data.openrecievechannelack.status;
|
|
if (status) {
|
|
ast_log(LOG_ERROR, "Open Recieve Channel Failure\n");
|
|
break;
|
|
}
|
|
memcpy(addr, req->data.openrecievechannelack.ipAddr, sizeof(addr));
|
|
port = req->data.openrecievechannelack.port;
|
|
|
|
sin.sin_family = AF_INET;
|
|
/* I smell endian problems */
|
|
memcpy(&sin.sin_addr, addr, sizeof(sin.sin_addr));
|
|
sin.sin_port = htons(port);
|
|
|
|
sub = find_subchannel_by_line(s->device->lines);
|
|
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");
|
|
break;
|
|
}
|
|
memset(req, 0, SKINNY_MAX_PACKET);
|
|
req->len = sizeof(start_media_transmission_message)+4;
|
|
req->e = START_MEDIA_TRANSMISSION_MESSAGE;
|
|
req->data.startmedia.conferenceId = 0;
|
|
req->data.startmedia.passThruPartyId = 0;
|
|
memcpy(req->data.startmedia.remoteIp, &s->device->ourip, 4); /* Endian? */
|
|
req->data.startmedia.remotePort = ntohs(us.sin_port);
|
|
req->data.startmedia.packetSize = 20;
|
|
req->data.startmedia.payloadType = convert_cap(s->device->lines->capability);
|
|
req->data.startmedia.qualifier.precedence = 127;
|
|
req->data.startmedia.qualifier.vad = 0;
|
|
req->data.startmedia.qualifier.packets = 0;
|
|
req->data.startmedia.qualifier.bitRate = 0;
|
|
transmit_response(s, req);
|
|
break;
|
|
default:
|
|
ast_verbose("RECEIVED UNKNOWN MESSAGE TYPE: %x\n", req->e);
|
|
break;
|
|
}
|
|
free(req);
|
|
return 1;
|
|
|
|
}
|
|
|
|
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);
|
|
free(s);
|
|
} else
|
|
ast_log(LOG_WARNING, "Trying to delete non-existant 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;
|
|
res = poll(fds, 1, -1);
|
|
|
|
if (res < 0) {
|
|
ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
|
|
} else if (res > 0) {
|
|
memset(s->inbuf,0,sizeof(s->inbuf));
|
|
res = read(s->fd, s->inbuf, 4);
|
|
if (res != 4) {
|
|
ast_log(LOG_WARNING, "Skinny Client sent less data than expected.\n");
|
|
return -1;
|
|
}
|
|
dlen = *(int *)s->inbuf;
|
|
if (dlen+8 > sizeof(s->inbuf))
|
|
dlen = sizeof(s->inbuf) - 8;
|
|
res = read(s->fd, s->inbuf+4, dlen+4);
|
|
ast_mutex_unlock(&s->lock);
|
|
if (res != (dlen+4)) {
|
|
ast_log(LOG_WARNING, "Skinny Client sent less data than expected.\n");
|
|
return -1;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static skinny_req *skinny_req_parse(struct skinnysession *s)
|
|
{
|
|
skinny_req *req;
|
|
|
|
req = malloc(SKINNY_MAX_PACKET);
|
|
if (!req) {
|
|
ast_log(LOG_ERROR, "Unable to allocate skinny_request, this is bad\n");
|
|
return NULL;
|
|
}
|
|
memset(req, 0, sizeof(skinny_req));
|
|
/* +8 to account for reserved and length fields */
|
|
memcpy(req, s->inbuf, *(int*)(s->inbuf)+8);
|
|
if (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;
|
|
skinny_req *req;
|
|
struct skinnysession *s = data;
|
|
|
|
ast_verbose(VERBOSE_PREFIX_3 "Starting Skinny session from %s\n", inet_ntoa(s->sin.sin_addr));
|
|
|
|
for (;;) {
|
|
res = 0;
|
|
res = get_input(s);
|
|
if (res < 0)
|
|
break;
|
|
req = skinny_req_parse(s);
|
|
if (!req) {
|
|
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));
|
|
destroy_session(s);
|
|
return 0;
|
|
}
|
|
|
|
static void *accept_thread(void *ignore)
|
|
{
|
|
int as;
|
|
struct sockaddr_in sin;
|
|
int sinlen;
|
|
struct skinnysession *s;
|
|
struct protoent *p;
|
|
int arg = 1;
|
|
pthread_attr_t attr;
|
|
|
|
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));
|
|
}
|
|
}
|
|
s = malloc(sizeof(struct skinnysession));
|
|
if (!s) {
|
|
ast_log(LOG_WARNING, "Failed to allocate Skinny session: %s\n", strerror(errno));
|
|
continue;
|
|
}
|
|
memset(s, 0, sizeof(struct skinnysession));
|
|
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 (pthread_create(&tcp_thread, NULL, 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;
|
|
if (ast_mutex_lock(&monlock)) {
|
|
ast_log(LOG_WARNING, "Unable to lock monitor\n");
|
|
return -1;
|
|
}
|
|
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 (pthread_create(&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(char *type, int format, void *data)
|
|
{
|
|
int oldformat;
|
|
struct skinny_subchannel *sub;
|
|
struct ast_channel *tmpc = NULL;
|
|
char tmp[256];
|
|
char *dest = data;
|
|
|
|
oldformat = format;
|
|
format &= capability;
|
|
if (!format) {
|
|
ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
|
|
return NULL;
|
|
}
|
|
|
|
strncpy(tmp, dest, sizeof(tmp) - 1);
|
|
if (ast_strlen_zero(tmp)) {
|
|
ast_log(LOG_NOTICE, "Skinny channels require a device\n");
|
|
return NULL;
|
|
}
|
|
|
|
sub = find_subchannel_by_name(tmp);
|
|
if (!sub) {
|
|
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);
|
|
ast_verbose(VERBOSE_PREFIX_3 "Skinny cw: %d, dnd: %d, so: %d, sno: %d\n",
|
|
sub->parent->callwaiting, sub->parent->dnd, sub->owner ? 1 : 0, sub->next->owner ? 1: 0);
|
|
}
|
|
tmpc = skinny_new(sub->owner ? sub->next : sub, AST_STATE_DOWN);
|
|
if (!tmpc) {
|
|
ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
|
|
}
|
|
restart_monitor();
|
|
|
|
/* and finish */
|
|
return tmpc;
|
|
}
|
|
|
|
static int reload_config(void)
|
|
{
|
|
int on=1;
|
|
struct ast_config *cfg;
|
|
struct ast_variable *v;
|
|
int format;
|
|
char *cat;
|
|
struct skinny_device *d;
|
|
int oldport = ntohs(bindaddr.sin_port);
|
|
|
|
#if 0
|
|
hp = ast_gethostbyname(ourhost, &ahp);
|
|
if (!hp) {
|
|
ast_log(LOG_WARNING, "Unable to get hostname, Skinny disabled\n");
|
|
return 0;
|
|
}
|
|
#endif
|
|
cfg = ast_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 0;
|
|
}
|
|
|
|
/* load the general section */
|
|
memset(&bindaddr, 0, sizeof(bindaddr));
|
|
v = ast_variable_browse(cfg, "general");
|
|
while(v) {
|
|
/* 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")) {
|
|
strncpy(date_format, v->value, sizeof(date_format) - 1);
|
|
} else if (!strcasecmp(v->name, "allow")) {
|
|
format = ast_getformatbyname(v->value);
|
|
if (format < 1)
|
|
ast_log(LOG_WARNING, "Cannot allow unknown format '%s'\n", v->value);
|
|
else
|
|
capability |= format;
|
|
} else if (!strcasecmp(v->name, "disallow")) {
|
|
format = ast_getformatbyname(v->value);
|
|
if (format < 1)
|
|
ast_log(LOG_WARNING, "Cannot disallow unknown format '%s'\n", v->value);
|
|
else
|
|
capability &= ~format;
|
|
} else if (!strcasecmp(v->name, "port")) {
|
|
if (sscanf(v->value, "%i", &ourport) == 1) {
|
|
bindaddr.sin_port = htons(ourport);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config);
|
|
}
|
|
}
|
|
v = v->next;
|
|
}
|
|
|
|
if (ntohl(bindaddr.sin_addr.s_addr)) {
|
|
memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip));
|
|
} else {
|
|
hp = ast_gethostbyname(ourhost, &ahp);
|
|
if (!hp) {
|
|
ast_log(LOG_WARNING, "Unable to get our IP address, Skinny disabled\n");
|
|
ast_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")) {
|
|
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", errno, strerror(errno));
|
|
ast_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",
|
|
inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
|
|
strerror(errno));
|
|
close(skinnysock);
|
|
skinnysock = -1;
|
|
ast_destroy(cfg);
|
|
return 0;
|
|
}
|
|
|
|
if (listen(skinnysock,DEFAULT_SKINNY_BACKLOG)) {
|
|
ast_log(LOG_WARNING, "Failed to start listening to %s:%d: %s\n",
|
|
inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
|
|
strerror(errno));
|
|
close(skinnysock);
|
|
skinnysock = -1;
|
|
ast_destroy(cfg);
|
|
return 0;
|
|
}
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Skinny listening on %s:%d\n",
|
|
inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port));
|
|
|
|
pthread_create(&accept_t,NULL, accept_thread, NULL);
|
|
}
|
|
}
|
|
ast_mutex_unlock(&netlock);
|
|
|
|
/* and unload the configuration when were done */
|
|
ast_destroy(cfg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if 0
|
|
void delete_devices(void)
|
|
{
|
|
struct skinny_device *d, *dlast;
|
|
struct skinny_line *l, *llast;
|
|
struct skinny_subchannel *sub, *slast;
|
|
|
|
ast_mutex_lock(&devicelock);
|
|
|
|
/* Delete all devices */
|
|
for (d=devices;d;) {
|
|
|
|
/* Delete all lines for this device */
|
|
for (l=d->lines;l;) {
|
|
/* Delete all subchannels for this line */
|
|
for (sub=l->sub;sub;) {
|
|
slast = sub;
|
|
sub = sub->next;
|
|
free(slast);
|
|
}
|
|
llast = l;
|
|
l = l->next;
|
|
free(llast);
|
|
}
|
|
dlast = d;
|
|
d = d->next;
|
|
free(dlast);
|
|
}
|
|
devices=NULL;
|
|
ast_mutex_unlock(&devicelock);
|
|
}
|
|
#endif
|
|
|
|
int reload(void)
|
|
{
|
|
#if 0
|
|
// XXX Causes Seg
|
|
|
|
delete_devices();
|
|
reload_config();
|
|
restart_monitor();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
|
|
int load_module()
|
|
{
|
|
int res = 0;
|
|
|
|
/* load and parse config */
|
|
res = reload_config();
|
|
|
|
/* Announce our presence to Asterisk */
|
|
if (!res) {
|
|
/* Make sure we can register our skinny channel type */
|
|
if (ast_channel_register(type, tdesc, capability, skinny_request)) {
|
|
ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
|
|
return -1;
|
|
}
|
|
}
|
|
skinny_rtp.type = type;
|
|
ast_rtp_proto_register(&skinny_rtp);
|
|
ast_cli_register(&cli_show_lines);
|
|
ast_cli_register(&cli_debug);
|
|
ast_cli_register(&cli_no_debug);
|
|
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;
|
|
}
|
|
|
|
int unload_module()
|
|
{
|
|
#if 0
|
|
struct skinny_session *session, s;
|
|
struct skinny_subchannel *sub;
|
|
struct skinny_line *line = session;
|
|
|
|
/* close all IP connections */
|
|
if (!ast_mutex_lock(&devicelock)) {
|
|
/* Terminate tcp listener thread */
|
|
|
|
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
|
|
return -1;
|
|
}
|
|
if (!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);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
|
|
return -1;
|
|
}
|
|
if (!ast_mutex_lock(&iflock)) {
|
|
/* Destroy all the interfaces and free their memory */
|
|
p = iflist;
|
|
while(p) {
|
|
pl = p;
|
|
p = p->next;
|
|
/* Free associated memory */
|
|
free(pl);
|
|
}
|
|
iflist = NULL;
|
|
ast_mutex_unlock(&iflock);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unable to lock the monitor\n");
|
|
return -1;
|
|
}
|
|
|
|
ast_rtp_proto_register(&skinny_rtp);
|
|
ast_cli_register(&cli_show_lines);
|
|
ast_cli_register(&cli_debug);
|
|
ast_cli_register(&cli_no_debug);
|
|
|
|
return 0;
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
int usecount()
|
|
{
|
|
int res;
|
|
ast_mutex_lock(&usecnt_lock);
|
|
res = usecnt;
|
|
ast_mutex_unlock(&usecnt_lock);
|
|
return res;
|
|
}
|
|
|
|
char *key()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|
|
|
|
char *description()
|
|
{
|
|
return desc;
|
|
}
|