VZTECH / Mbed 2 deprecated main_src

Modularizando o src

Dependencies:   EALib EthernetInterface_vz mbed-rtos mbed

Fork of header_main_colinas_V0-20-09-14 by VZTECH

sip.cpp@27:98f824719d1c, 2014-09-22 (annotated)

Committer:
klauss
Date:
Mon Sep 22 21:15:07 2014 +0000
Revision:
27:98f824719d1c
Parent:
25:2cf5e8dd4035
Child:
28:94aec56c6329
- header ip | port setable by prompt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 0:4d17cd9c8f9d 1 #include "sip.h"
klauss 0:4d17cd9c8f9d 2 #include "utils.h"
klauss 0:4d17cd9c8f9d 3
klauss 0:4d17cd9c8f9d 4 void Sip::__init_sock__( void ){
klauss 0:4d17cd9c8f9d 5 sip_server.set_address( this->server_ip , this->server_port );
klauss 0:4d17cd9c8f9d 6 sock.set_blocking( false, 1 ); // verificar isso com mais cuidado depois
klauss 0:4d17cd9c8f9d 7 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 8 sock.init();
klauss 0:4d17cd9c8f9d 9 }
klauss 0:4d17cd9c8f9d 10
klauss 0:4d17cd9c8f9d 11 void Sip::__end_sock__(){
klauss 0:4d17cd9c8f9d 12 sock.close();
klauss 0:4d17cd9c8f9d 13 }
klauss 0:4d17cd9c8f9d 14
klauss 0:4d17cd9c8f9d 15 Sip::Sip( char * server_ip, int server_port, char * my_ip, int my_port, int my_ext, int peer_ext, int id ){
klauss 0:4d17cd9c8f9d 16 this->id = id;
klauss 0:4d17cd9c8f9d 17 strncpy( this->server_ip, server_ip, 20 );
klauss 0:4d17cd9c8f9d 18 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 19 this->server_port = server_port;
klauss 27:98f824719d1c 20
klauss 27:98f824719d1c 21 FILE *fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 22 if (fp == NULL){
klauss 27:98f824719d1c 23 pc.printf("Failed to open /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 24 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 25 }else{
klauss 27:98f824719d1c 26 if( fread( this->buffer, 1, 512, fp ) > 0 ){
klauss 27:98f824719d1c 27 strncpy( this->my_ip, this->buffer, 20 );
klauss 27:98f824719d1c 28 debug_msg("Objeto SIP fixado no ip %s", this->my_ip );
klauss 27:98f824719d1c 29 }else{
klauss 27:98f824719d1c 30 pc.printf("Failed to read /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 31 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 32 }
klauss 27:98f824719d1c 33 }
klauss 27:98f824719d1c 34 fclose( fp );
klauss 27:98f824719d1c 35
klauss 0:4d17cd9c8f9d 36 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 37 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 38 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 39 this->my_ext = my_ext;
klauss 0:4d17cd9c8f9d 40 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 41 this->peer_ext = peer_ext;
klauss 0:4d17cd9c8f9d 42
klauss 0:4d17cd9c8f9d 43 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 44 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 45 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 46 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 47 status = sip_idle;
klauss 0:4d17cd9c8f9d 48
klauss 0:4d17cd9c8f9d 49 __init_sock__();
klauss 0:4d17cd9c8f9d 50 }
klauss 0:4d17cd9c8f9d 51
klauss 0:4d17cd9c8f9d 52 Sip::Sip(){
klauss 27:98f824719d1c 53 FILE *fp = NULL;/*
klauss 27:98f824719d1c 54
klauss 27:98f824719d1c 55 mudar para mudar a ext aqui
klauss 27:98f824719d1c 56 fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 57 if (fp == NULL){
klauss 27:98f824719d1c 58 pc.printf("Failed to open /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 59 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 60 }else{
klauss 27:98f824719d1c 61 if( fread( this->buffer, 1, 512, fp ) > 0 ){
klauss 27:98f824719d1c 62 strncpy( this->my_ip, this->buffer, 20 );
klauss 27:98f824719d1c 63 debug_msg("Objeto SIP fixado no ip %s", this->my_ip );
klauss 27:98f824719d1c 64 }else{
klauss 27:98f824719d1c 65 pc.printf("Failed to read /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 66 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 67 }
klauss 27:98f824719d1c 68 }
klauss 27:98f824719d1c 69 fclose( fp );*/
klauss 27:98f824719d1c 70
klauss 27:98f824719d1c 71
klauss 0:4d17cd9c8f9d 72 this->id = __MY_EXT__;
klauss 0:4d17cd9c8f9d 73 strncpy( this->server_ip, __SEVER_IP__, 20 );
klauss 0:4d17cd9c8f9d 74 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 75 this->server_port = __SERVER_PORT__;
klauss 27:98f824719d1c 76
klauss 27:98f824719d1c 77 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 78 if (fp == NULL){
klauss 27:98f824719d1c 79 pc.printf("Failed to open /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 80 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 81 }else{
klauss 27:98f824719d1c 82 if( fread( this->buffer, 1, 512, fp ) > 0 ){
klauss 27:98f824719d1c 83 strncpy( this->my_ip, this->buffer, 20 );
klauss 27:98f824719d1c 84 debug_msg("Objeto SIP fixado no ip %s", this->my_ip );
klauss 27:98f824719d1c 85 }else{
klauss 27:98f824719d1c 86 pc.printf("Failed to read /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 87 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 88 }
klauss 27:98f824719d1c 89 }
klauss 27:98f824719d1c 90 fclose( fp );
klauss 0:4d17cd9c8f9d 91 this->my_ip[19] = 0;
klauss 27:98f824719d1c 92
klauss 27:98f824719d1c 93
klauss 27:98f824719d1c 94 fp = fopen( "/qspi/mysipport.txt", "r");
klauss 27:98f824719d1c 95 if (fp == NULL){
klauss 27:98f824719d1c 96 pc.printf("Failed to open /qspi/mysipport.txt \n\r" );
klauss 27:98f824719d1c 97 this->my_port = __MY_PORT__;
klauss 27:98f824719d1c 98 }else{
klauss 27:98f824719d1c 99 if( fread( &my_port, 1, 32, fp ) > 0 ){
klauss 27:98f824719d1c 100 debug_msg("Objeto SIP fixado na porta sip %i", this->my_port );
klauss 27:98f824719d1c 101 }else{
klauss 27:98f824719d1c 102 pc.printf("Failed to read /qspi/mysipport.txt \n\r" );
klauss 27:98f824719d1c 103 this->my_port = __MY_PORT__;
klauss 27:98f824719d1c 104 }
klauss 27:98f824719d1c 105 }
klauss 27:98f824719d1c 106 fclose( fp );
klauss 27:98f824719d1c 107
klauss 0:4d17cd9c8f9d 108 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 109 this->my_ext = __MY_EXT__;
klauss 0:4d17cd9c8f9d 110 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 111 this->peer_ext = __PEER_EXT__;
klauss 0:4d17cd9c8f9d 112
klauss 0:4d17cd9c8f9d 113 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 114 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 115 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 116 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 117 status = sip_idle;
klauss 0:4d17cd9c8f9d 118
klauss 0:4d17cd9c8f9d 119 __init_sock__();
klauss 0:4d17cd9c8f9d 120 }
klauss 0:4d17cd9c8f9d 121
klauss 0:4d17cd9c8f9d 122 Sip::Sip( int id, uint16_t my_port ){
klauss 0:4d17cd9c8f9d 123 this->id = id;
klauss 0:4d17cd9c8f9d 124 strncpy( this->server_ip, __SEVER_IP__, 20 );
klauss 0:4d17cd9c8f9d 125 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 126 this->server_port = __SERVER_PORT__;
klauss 27:98f824719d1c 127
klauss 27:98f824719d1c 128 FILE *fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 129 if (fp == NULL){
klauss 27:98f824719d1c 130 pc.printf("Failed to open /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 131 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 132 }else{
klauss 27:98f824719d1c 133 if( fread( this->buffer, 1, 512, fp ) > 0 ){
klauss 27:98f824719d1c 134 strncpy( this->my_ip, this->buffer, 20 );
klauss 27:98f824719d1c 135 debug_msg("Objeto SIP fixado no ip %s", this->my_ip );
klauss 27:98f824719d1c 136 }else{
klauss 27:98f824719d1c 137 pc.printf("Failed to read /qspi/myip.txt \n\r" );
klauss 27:98f824719d1c 138 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 139 }
klauss 27:98f824719d1c 140 }
klauss 27:98f824719d1c 141 fclose( fp );
klauss 27:98f824719d1c 142
klauss 0:4d17cd9c8f9d 143 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 144 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 145 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 146 this->my_ext = id;
klauss 0:4d17cd9c8f9d 147 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 148 this->peer_ext = __PEER_EXT__;
klauss 0:4d17cd9c8f9d 149
klauss 0:4d17cd9c8f9d 150 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 151 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 152 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 153 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 154 status = sip_idle;
klauss 0:4d17cd9c8f9d 155
klauss 0:4d17cd9c8f9d 156 __init_sock__();
klauss 0:4d17cd9c8f9d 157 }
klauss 0:4d17cd9c8f9d 158
klauss 0:4d17cd9c8f9d 159 Sip::Sip( int id, uint16_t my_port, int dest_ext ){
klauss 0:4d17cd9c8f9d 160 this->id = id;
klauss 0:4d17cd9c8f9d 161 strncpy( this->server_ip, __SEVER_IP__, 20 );
klauss 0:4d17cd9c8f9d 162 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 163 this->server_port = __SERVER_PORT__;
klauss 27:98f824719d1c 164 strncpy( this->my_ip, "192.168.120.172", 20 );
klauss 0:4d17cd9c8f9d 165 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 166 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 167 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 168 this->my_ext = id;
klauss 0:4d17cd9c8f9d 169 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 170 this->peer_ext = dest_ext;
klauss 0:4d17cd9c8f9d 171
klauss 0:4d17cd9c8f9d 172 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 173 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 174 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 175 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 176 status = sip_idle;
klauss 0:4d17cd9c8f9d 177
klauss 0:4d17cd9c8f9d 178 __init_sock__();
klauss 0:4d17cd9c8f9d 179 }
klauss 0:4d17cd9c8f9d 180
klauss 0:4d17cd9c8f9d 181 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 182 __end_sock__();
klauss 0:4d17cd9c8f9d 183 }
klauss 0:4d17cd9c8f9d 184
klauss 0:4d17cd9c8f9d 185 void Sip::registry(){
klauss 13:ae278302dffe 186 char out[ 1000 ];
klauss 4:de46f0d9b14d 187 debug_msg("registrando -- %d", this->my_ext );
klauss 0:4d17cd9c8f9d 188 build_registry_package( buffer );
klauss 13:ae278302dffe 189 int sent = sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 190 sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 27:98f824719d1c 191 debug_msg(" Recebidos %d bytes para o ext %d", sent, my_ext );
klauss 0:4d17cd9c8f9d 192 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 193 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 194 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 13:ae278302dffe 195 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 196 build_reply_package( ans, (unsigned char*)buffer );
klauss 0:4d17cd9c8f9d 197 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 0:4d17cd9c8f9d 198 }
klauss 0:4d17cd9c8f9d 199 }
klauss 0:4d17cd9c8f9d 200 }
klauss 14:22a35f575502 201 debug_msg("");
klauss 0:4d17cd9c8f9d 202 }
klauss 0:4d17cd9c8f9d 203
klauss 0:4d17cd9c8f9d 204 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 205 Timer t;
klauss 0:4d17cd9c8f9d 206 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 207 itoa( get_id(), callbox_string, 10 );
klauss 0:4d17cd9c8f9d 208
klauss 14:22a35f575502 209 if( status != sip_on_call ){
klauss 14:22a35f575502 210 set_status(status, sip_waiting_trying );
klauss 14:22a35f575502 211 }
klauss 0:4d17cd9c8f9d 212
klauss 0:4d17cd9c8f9d 213 else return( NULL );
klauss 0:4d17cd9c8f9d 214
klauss 0:4d17cd9c8f9d 215 int cseq = 0;
klauss 0:4d17cd9c8f9d 216
klauss 0:4d17cd9c8f9d 217 build_invite_package( buffer, callbox_string, &cseq );
klauss 0:4d17cd9c8f9d 218 sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 219
klauss 0:4d17cd9c8f9d 220 debug_msg( "Inicio do invite" );
klauss 0:4d17cd9c8f9d 221 debug_msg( "Sip::status::%d", status );
klauss 0:4d17cd9c8f9d 222 t.start();
klauss 0:4d17cd9c8f9d 223
klauss 0:4d17cd9c8f9d 224 sock.set_blocking( false, 5 );
klauss 0:4d17cd9c8f9d 225
klauss 0:4d17cd9c8f9d 226 int loop_times = 0;
klauss 0:4d17cd9c8f9d 227 int received_loop_times = 0;
klauss 0:4d17cd9c8f9d 228 Timer reconnect;
klauss 0:4d17cd9c8f9d 229 reconnect.start();
klauss 0:4d17cd9c8f9d 230 static int id_ = 0;
klauss 0:4d17cd9c8f9d 231 int length = 0;
klauss 3:cd9148672e25 232 bool waiting = false;
klauss 3:cd9148672e25 233
klauss 3:cd9148672e25 234 VZ_call * call = NULL;
klauss 0:4d17cd9c8f9d 235 while( t.read() < __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 236 loop_times++;
klauss 4:de46f0d9b14d 237 length = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 238 if( length > 0 ){
klauss 0:4d17cd9c8f9d 239 reconnect.reset();
klauss 0:4d17cd9c8f9d 240 debug_msg("Pacotes recebidos :: %d", id_ );
klauss 4:de46f0d9b14d 241 buffer[ length ] = 0;
klauss 0:4d17cd9c8f9d 242 received_loop_times++;
klauss 0:4d17cd9c8f9d 243 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 244 if( !( strncasecmp( buffer + 12, "ok", strlen("ok") ) ) ){
klauss 0:4d17cd9c8f9d 245 // tratar depois o esquema do Cseq ::
klauss 0:4d17cd9c8f9d 246 debug_msg( "Cseq == %d", cseq );
klauss 0:4d17cd9c8f9d 247 set_status(status, sip_on_call);
klauss 4:de46f0d9b14d 248 char *ref = strstr( buffer, "audio" );
klauss 0:4d17cd9c8f9d 249 debug_msg("ok");
klauss 0:4d17cd9c8f9d 250 if( ref != NULL ){
klauss 0:4d17cd9c8f9d 251 ref += 6; // audio
klauss 0:4d17cd9c8f9d 252 ref = strtok( ref, " ");
klauss 3:cd9148672e25 253 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 13:ae278302dffe 254 char ans[ 1024 ];
klauss 4:de46f0d9b14d 255 build_ack_package( ans, ( unsigned char *)buffer );
klauss 0:4d17cd9c8f9d 256 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 1:a1758104fa1d 257 debug_msg("Call alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 258 set_status( status, sip_on_call );
klauss 0:4d17cd9c8f9d 259 return( call );
klauss 0:4d17cd9c8f9d 260 }
klauss 0:4d17cd9c8f9d 261 }
klauss 0:4d17cd9c8f9d 262 }
klauss 3:cd9148672e25 263 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 25:2cf5e8dd4035 264 if( !( strncasecmp( buffer + 12, "Busy Here", strlen("Busy Here") ) ) ){
klauss 25:2cf5e8dd4035 265 debug_msg("Busy Here");
klauss 25:2cf5e8dd4035 266 send_bye();
klauss 25:2cf5e8dd4035 267 delete( call );
klauss 25:2cf5e8dd4035 268 set_status( status, sip_busy );
klauss 25:2cf5e8dd4035 269 return( NULL );
klauss 25:2cf5e8dd4035 270 }
klauss 25:2cf5e8dd4035 271 }
klauss 25:2cf5e8dd4035 272 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 273 if( !( strncasecmp( buffer + 12, "Session Progress", strlen("Session Progress") ) ) ){
klauss 3:cd9148672e25 274 debug_msg( "Trocando dados de audio -- musica de espera com o CBx" );
klauss 4:de46f0d9b14d 275 char *ref = strstr( buffer, "audio" );
klauss 3:cd9148672e25 276 if( ref != NULL ){
klauss 3:cd9148672e25 277 ref += 6; // audio
klauss 3:cd9148672e25 278 ref = strtok( ref, " ");
klauss 3:cd9148672e25 279 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 3:cd9148672e25 280 waiting = true;
klauss 3:cd9148672e25 281 }
klauss 3:cd9148672e25 282 }
klauss 3:cd9148672e25 283 }
klauss 0:4d17cd9c8f9d 284 if( status == sip_trying ){
klauss 4:de46f0d9b14d 285 if( !( strncasecmp( buffer + 12, "ringing", strlen("ringing") ) ) ){
klauss 0:4d17cd9c8f9d 286 debug_msg("ringing");
klauss 0:4d17cd9c8f9d 287 t.reset();
klauss 0:4d17cd9c8f9d 288 set_status( status, sip_ringing );
klauss 0:4d17cd9c8f9d 289 }
klauss 0:4d17cd9c8f9d 290 }
klauss 0:4d17cd9c8f9d 291 if( status == sip_waiting_trying ){
klauss 4:de46f0d9b14d 292 if( !( strncasecmp( buffer + 12, "trying", strlen("trying") ) ) ){
klauss 0:4d17cd9c8f9d 293 debug_msg("trying")
klauss 0:4d17cd9c8f9d 294 t.reset();
klauss 0:4d17cd9c8f9d 295 set_status( status, sip_trying );
klauss 0:4d17cd9c8f9d 296 }
klauss 0:4d17cd9c8f9d 297 }
klauss 0:4d17cd9c8f9d 298 }else if( reconnect.read() > 4 ){
klauss 0:4d17cd9c8f9d 299 sock.close();
klauss 0:4d17cd9c8f9d 300 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 301 sock.init();
klauss 0:4d17cd9c8f9d 302 sock.set_blocking( false, 1 );
klauss 0:4d17cd9c8f9d 303 debug_msg("Reconnect");
klauss 0:4d17cd9c8f9d 304 reconnect.reset();
klauss 0:4d17cd9c8f9d 305 //sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 306 led4 = !led4;
klauss 0:4d17cd9c8f9d 307 }
klauss 3:cd9148672e25 308 if( waiting == true ){
klauss 3:cd9148672e25 309 char * tmp = call->get_eth_message( &length );
klauss 3:cd9148672e25 310 if( tmp != NULL ){
klauss 3:cd9148672e25 311 uint8_t * pkg2cb = __build_cb_package__( this->my_ext, this->my_port, __AUDIO__,
klauss 3:cd9148672e25 312 tmp, __AUDIO__, length, (uint8_t *)buffer );
klauss 3:cd9148672e25 313 __send_to_cb__( pkg2cb );
klauss 3:cd9148672e25 314 }
klauss 3:cd9148672e25 315 }
klauss 0:4d17cd9c8f9d 316 }
klauss 0:4d17cd9c8f9d 317
klauss 0:4d17cd9c8f9d 318 debug_msg("Call nao alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 319 if( t.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 320 set_status(status, sip_denied);
klauss 14:22a35f575502 321 send_bye();
klauss 0:4d17cd9c8f9d 322 }
klauss 3:cd9148672e25 323 delete( call );
klauss 0:4d17cd9c8f9d 324 return( NULL );
klauss 0:4d17cd9c8f9d 325 }
klauss 0:4d17cd9c8f9d 326
klauss 0:4d17cd9c8f9d 327 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 328 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 329 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 330 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 331 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 332 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 333 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 334 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 335 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 336 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 337 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 338 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 339 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 340 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 341 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 342 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 343 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 344 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 345 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 346 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 347 strcat( buffer, "\r\nFrom: " );
klauss 4:de46f0d9b14d 348 // mudar isso aqui pra algo mais compreensivel pra cc
klauss 0:4d17cd9c8f9d 349 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 350 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 351 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 352 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 353 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 354 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 355 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 356 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 357 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 358 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 359 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 360 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 361 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 362 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 363 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 364 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 365 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 366 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 367 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 368 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 369 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 370 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 371 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 372 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 373 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 374 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 375 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 376 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 377 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 378 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 379 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 380 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 381
klauss 0:4d17cd9c8f9d 382 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 383 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 384 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 385 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 386 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 387 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 388 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 389 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 390 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 391 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 392 strcat( buffer, ">;expires=120" );
klauss 0:4d17cd9c8f9d 393 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 394 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 395 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 396
klauss 0:4d17cd9c8f9d 397 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 398 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 399 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 400 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 401 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 402 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 403 return buffer;
klauss 0:4d17cd9c8f9d 404 }
klauss 0:4d17cd9c8f9d 405
klauss 0:4d17cd9c8f9d 406 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 407 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 408 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 409 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 410 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 411 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 412 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 413 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 414 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 415 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 416
klauss 0:4d17cd9c8f9d 417 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 418 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 419
klauss 0:4d17cd9c8f9d 420 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 421 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 422 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 423 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 424 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 425 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 426 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 427 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 428 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 429 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 430 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 431 strcat( header, "." );
klauss 0:4d17cd9c8f9d 432 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 433 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 434 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 435 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 436 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 437 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 438 strcat( header, "." );
klauss 0:4d17cd9c8f9d 439 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 440 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 441 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 442 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 443 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 444 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 445 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 446 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 447 strcat( header, branch );
klauss 0:4d17cd9c8f9d 448 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 449 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 450 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 451 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 452 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 453 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 454 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 455 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 456 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 457 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 458 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 459 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 460 strcat( header, tag );
klauss 0:4d17cd9c8f9d 461 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 462 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 463 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 464 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 465 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 466 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 467 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 468 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 469 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 470 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 471 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 472 strcat( header, callid );
klauss 0:4d17cd9c8f9d 473 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 474 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 475 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 476 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 477 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 478 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 479 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 480 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 481 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 482 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 483 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 484 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 485 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 486 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 487 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 488 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 489 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 490 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 491 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 492 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 493 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 494 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 495 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 496 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 497 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 498 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 499 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 500 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 501 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 502 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 503 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 504 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 505 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 506 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 507
klauss 0:4d17cd9c8f9d 508 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 509 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 510 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 511 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 512 strcat( body, " " );
klauss 0:4d17cd9c8f9d 513 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 514 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 515 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 516 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 517 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 518 strcat( body, " " );
klauss 0:4d17cd9c8f9d 519 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 520 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 521 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 522 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 523 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 524 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 525 strcat( body, " " );
klauss 0:4d17cd9c8f9d 526 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 527 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 528 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 529 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 530 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 531 strcat( body, " " );
klauss 0:4d17cd9c8f9d 532 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 533 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 534 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 535 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 536 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 537 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 538 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 539 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 540 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 541 strcat( body, " " );
klauss 0:4d17cd9c8f9d 542 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 543 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 544 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 545 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 546 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 547 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 548 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 549 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 550 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 551 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 552 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 553 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 554 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 555 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 556 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 557 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 558 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 559 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 560 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 561 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 562 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 563 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 564 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 565 strcat( body, " " );
klauss 0:4d17cd9c8f9d 566 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 567 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 568 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 569 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 570 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 571 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 572
klauss 0:4d17cd9c8f9d 573 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 574 return( pkg );
klauss 0:4d17cd9c8f9d 575 }
klauss 0:4d17cd9c8f9d 576
klauss 0:4d17cd9c8f9d 577 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 578 int size;
klauss 0:4d17cd9c8f9d 579 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 580 size = strlen( body );
klauss 0:4d17cd9c8f9d 581 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 582 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 583 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 584 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 585 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 586 strcat( pkg, body );
klauss 0:4d17cd9c8f9d 587 pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 588 return pkg;
klauss 0:4d17cd9c8f9d 589 }
klauss 0:4d17cd9c8f9d 590
klauss 0:4d17cd9c8f9d 591 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 592 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 593 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 594 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 595 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 596 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 597
klauss 0:4d17cd9c8f9d 598 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 599 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 600 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 601 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 602 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 603 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 604 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 605 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 606 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 607 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 608 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 609 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 610 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 611 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 612 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 613 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 614 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 615 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 616 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 617 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 618 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 619 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 620 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 621 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 622 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 623 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 624 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 625 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 630 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 631 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 632 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 633 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 634 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 635 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 636 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 637 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 638 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 639 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 640 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 641 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 642 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 643 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 644 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 645 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 646 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 647 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 648 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 649 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 650 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 651 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 652 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 653 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 654 return( buffer );
klauss 0:4d17cd9c8f9d 655 }
klauss 0:4d17cd9c8f9d 656 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 657 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 658 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 659 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 660 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 661 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 662 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 663 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 664 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 665 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 666 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 667 return NULL;
klauss 0:4d17cd9c8f9d 668 }
klauss 0:4d17cd9c8f9d 669 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 670 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 671 return NULL;
klauss 0:4d17cd9c8f9d 672 }
klauss 0:4d17cd9c8f9d 673 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 674 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 675 return NULL;
klauss 0:4d17cd9c8f9d 676 }
klauss 0:4d17cd9c8f9d 677 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 678 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 679
klauss 0:4d17cd9c8f9d 680 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 681 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 682 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 683 }
klauss 0:4d17cd9c8f9d 684 }
klauss 0:4d17cd9c8f9d 685 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 686 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 687 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 688 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 689 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 690 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 691 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 692 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 693 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 694 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 695 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 696 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 697 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 698 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 699 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 700 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 701 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 702 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 703 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 704 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 705 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 706 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 707 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 708 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 709 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 710 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 711 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 712 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 713 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 714 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 715 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 716 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 717 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 718 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 719 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 720 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 721 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 722 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 723 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 724 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 725 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 726 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 727 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 728 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 729 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 730 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 731 buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 732 return( buffer );
klauss 0:4d17cd9c8f9d 733 }
klauss 0:4d17cd9c8f9d 734
klauss 0:4d17cd9c8f9d 735 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 736 char a[32];
klauss 0:4d17cd9c8f9d 737 int i = 0, j;
klauss 0:4d17cd9c8f9d 738 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 739 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 740 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 741 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 742 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 743 j = i+i;
klauss 0:4d17cd9c8f9d 744 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 745 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 746 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 747 }
klauss 0:4d17cd9c8f9d 748
klauss 0:4d17cd9c8f9d 749 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 750 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 751 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 752 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 753 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 754 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 755
klauss 0:4d17cd9c8f9d 756 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 757 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 758 return NULL;
klauss 0:4d17cd9c8f9d 759 }
klauss 0:4d17cd9c8f9d 760 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 761 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 762 return NULL;
klauss 0:4d17cd9c8f9d 763 }
klauss 0:4d17cd9c8f9d 764 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 765 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 766 return NULL;
klauss 0:4d17cd9c8f9d 767 }
klauss 0:4d17cd9c8f9d 768 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 769 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 770 return NULL;
klauss 0:4d17cd9c8f9d 771 }
klauss 0:4d17cd9c8f9d 772 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 773 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 774 return NULL;
klauss 0:4d17cd9c8f9d 775 }
klauss 0:4d17cd9c8f9d 776
klauss 0:4d17cd9c8f9d 777 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 778 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 779 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 780 }
klauss 0:4d17cd9c8f9d 781 }
klauss 0:4d17cd9c8f9d 782
klauss 0:4d17cd9c8f9d 783 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 784 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 785 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 786 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 787 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 788 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 789 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 790 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 791 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 792 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 793 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 794 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 795 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 796 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 797 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 798 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 799 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 800 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 801 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 802 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 803 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 804 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 805 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 806 return( buffer );
klauss 0:4d17cd9c8f9d 807 }
klauss 0:4d17cd9c8f9d 808 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 809 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 810 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 811 return( buffer );
klauss 0:4d17cd9c8f9d 812 }
klauss 0:4d17cd9c8f9d 813
klauss 0:4d17cd9c8f9d 814 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 815 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 816 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 817 return( buffer );
klauss 0:4d17cd9c8f9d 818 }
klauss 0:4d17cd9c8f9d 819 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 820 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 821 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 822 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 823 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 824 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 825 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 826
klauss 0:4d17cd9c8f9d 827 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 828 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 829 return NULL;
klauss 0:4d17cd9c8f9d 830 }
klauss 0:4d17cd9c8f9d 831 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 832 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 833 return NULL;
klauss 0:4d17cd9c8f9d 834 }
klauss 0:4d17cd9c8f9d 835 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 836 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 837 return NULL;
klauss 0:4d17cd9c8f9d 838 }
klauss 0:4d17cd9c8f9d 839 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 840 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 841 return NULL;
klauss 0:4d17cd9c8f9d 842 }
klauss 0:4d17cd9c8f9d 843 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 844 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 845 return NULL;
klauss 0:4d17cd9c8f9d 846 }
klauss 0:4d17cd9c8f9d 847
klauss 0:4d17cd9c8f9d 848 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 849 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 850 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 851 }
klauss 0:4d17cd9c8f9d 852 }
klauss 0:4d17cd9c8f9d 853 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 854
klauss 0:4d17cd9c8f9d 855 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 856 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 857 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 858 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 859 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 860 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 861
klauss 0:4d17cd9c8f9d 862 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 863 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 864 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 865
klauss 0:4d17cd9c8f9d 866 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 867 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 868 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 869
klauss 0:4d17cd9c8f9d 870 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 871 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 872 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 873
klauss 0:4d17cd9c8f9d 874 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 875 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 876 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 877
klauss 0:4d17cd9c8f9d 878 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 879 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 880 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 881 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 882 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 883 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 884
klauss 0:4d17cd9c8f9d 885 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 886 return( buffer );
klauss 0:4d17cd9c8f9d 887 }
klauss 0:4d17cd9c8f9d 888 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 889 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 890 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 891 return( buffer );
klauss 0:4d17cd9c8f9d 892 }
klauss 0:4d17cd9c8f9d 893
klauss 0:4d17cd9c8f9d 894 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 895 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 896 seed += 1;
klauss 0:4d17cd9c8f9d 897 srand( seed );
klauss 0:4d17cd9c8f9d 898
klauss 0:4d17cd9c8f9d 899 int i;
klauss 0:4d17cd9c8f9d 900 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 901 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 902 }
klauss 0:4d17cd9c8f9d 903 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 904 return( buffer );
klauss 0:4d17cd9c8f9d 905 }
klauss 0:4d17cd9c8f9d 906
klauss 0:4d17cd9c8f9d 907 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 908 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 909 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 910 /* initial value, random number */
klauss 0:4d17cd9c8f9d 911 cseq = rand();
klauss 0:4d17cd9c8f9d 912 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 913 }
klauss 0:4d17cd9c8f9d 914 cseq++;
klauss 0:4d17cd9c8f9d 915 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 916 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 917 return cseq;
klauss 0:4d17cd9c8f9d 918 }
klauss 0:4d17cd9c8f9d 919
klauss 0:4d17cd9c8f9d 920 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 921 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 922 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 923 int i = 0;
klauss 0:4d17cd9c8f9d 924 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 925 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 926 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 927 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 928 } else {
klauss 0:4d17cd9c8f9d 929 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 930 }
klauss 0:4d17cd9c8f9d 931 return( cseq );
klauss 0:4d17cd9c8f9d 932 }
klauss 0:4d17cd9c8f9d 933
klauss 0:4d17cd9c8f9d 934 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 935 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 936 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 937 int i = 0;
klauss 0:4d17cd9c8f9d 938 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 939 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 940 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 941 } else {
klauss 0:4d17cd9c8f9d 942 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 943 }
klauss 0:4d17cd9c8f9d 944 return( branch );
klauss 0:4d17cd9c8f9d 945 }
klauss 0:4d17cd9c8f9d 946 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 947 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 948 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 949 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 950 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 951 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 952 char * s;
klauss 0:4d17cd9c8f9d 953 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 954 register int j = 0;
klauss 0:4d17cd9c8f9d 955 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 956 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 957 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 958 return 1; // found
klauss 0:4d17cd9c8f9d 959 }
klauss 0:4d17cd9c8f9d 960 }
klauss 0:4d17cd9c8f9d 961 return 0; // not found
klauss 0:4d17cd9c8f9d 962 }
klauss 0:4d17cd9c8f9d 963
klauss 0:4d17cd9c8f9d 964 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 965 return this->id;
klauss 0:4d17cd9c8f9d 966 }
klauss 0:4d17cd9c8f9d 967 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 968 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 969 }
klauss 0:4d17cd9c8f9d 970 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 971 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 972 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 973 }
klauss 0:4d17cd9c8f9d 974
klauss 0:4d17cd9c8f9d 975 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 976 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 977 // mudar para os sets
klauss 0:4d17cd9c8f9d 978 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 979 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 980 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 981 registry();
klauss 0:4d17cd9c8f9d 982 }
klauss 0:4d17cd9c8f9d 983
klauss 0:4d17cd9c8f9d 984 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 985 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 986 return server_ip;
klauss 0:4d17cd9c8f9d 987 }
klauss 0:4d17cd9c8f9d 988 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 989 return this->server_port;
klauss 0:4d17cd9c8f9d 990 }
klauss 0:4d17cd9c8f9d 991 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 992 return this->peer_ext;
klauss 0:4d17cd9c8f9d 993 }
klauss 0:4d17cd9c8f9d 994 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 995 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 996 }
klauss 0:4d17cd9c8f9d 997 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 998 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 999 }
klauss 0:4d17cd9c8f9d 1000 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 1001 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 1002 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 1003 }
klauss 0:4d17cd9c8f9d 1004
klauss 0:4d17cd9c8f9d 1005 /* Retorna
klauss 0:4d17cd9c8f9d 1006 = 0 :: ok
klauss 0:4d17cd9c8f9d 1007 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 1008 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 1009 */
klauss 0:4d17cd9c8f9d 1010 int Sip::listen_SIP_server( void ){
klauss 14:22a35f575502 1011 sock.set_blocking( false, 1 );
klauss 15:9c7456c1b6f4 1012 //debug_msg("");
klauss 0:4d17cd9c8f9d 1013 uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 9:ffa64f38ef9c 1014 if( read > 0 ){
klauss 13:ae278302dffe 1015 //debug_msg( "-- SIP recebeu algo --" );
klauss 0:4d17cd9c8f9d 1016 if( !( strncasecmp( buffer, "bye", strlen("bye") ) ) ){
klauss 13:ae278302dffe 1017 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 1018 build_reply_package( ans, (unsigned char*)buffer );
klauss 13:ae278302dffe 1019 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 13:ae278302dffe 1020 debug_msg(" Server request BYE to %d ext", my_ext );
klauss 0:4d17cd9c8f9d 1021 return( this->my_ext );
klauss 0:4d17cd9c8f9d 1022 }else if( !( strncasecmp( buffer, "options", strlen("options") ) ) ){
klauss 13:ae278302dffe 1023 char ans[ 2000 ];
klauss 13:ae278302dffe 1024 debug_msg(" Options received ");
klauss 0:4d17cd9c8f9d 1025 build_reply_package( ans, (unsigned char*)buffer );
klauss 13:ae278302dffe 1026 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 15:9c7456c1b6f4 1027 //debug_msg("");
klauss 0:4d17cd9c8f9d 1028 }
klauss 0:4d17cd9c8f9d 1029 }
klauss 0:4d17cd9c8f9d 1030 return( 0 );
klauss 0:4d17cd9c8f9d 1031 }
klauss 0:4d17cd9c8f9d 1032
klauss 0:4d17cd9c8f9d 1033 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 1034 my_ext = ext;
klauss 0:4d17cd9c8f9d 1035 }
klauss 0:4d17cd9c8f9d 1036
klauss 0:4d17cd9c8f9d 1037 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 1038 my_port = port;
klauss 0:4d17cd9c8f9d 1039 }
klauss 0:4d17cd9c8f9d 1040
klauss 0:4d17cd9c8f9d 1041 void Sip::send_bye( void ){
klauss 0:4d17cd9c8f9d 1042 build_bye_package( this->buffer );
klauss 0:4d17cd9c8f9d 1043 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1044 }
klauss 0:4d17cd9c8f9d 1045
klauss 0:4d17cd9c8f9d 1046 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 1047 build_unregistry_package( this->buffer );
klauss 0:4d17cd9c8f9d 1048 for( register int i = 0; i < 7; i++ )
klauss 0:4d17cd9c8f9d 1049 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1050 }
klauss 0:4d17cd9c8f9d 1051
klauss 0:4d17cd9c8f9d 1052 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 1053 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1054 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1055 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1056 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 1057 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 1058 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 1059 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 1060 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 1061 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1062 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1063 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1064 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1065 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 1066 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1067 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1068 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1069 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1070 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 1071 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 1072 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 1073 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1074 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1075 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1076 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1077 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1078 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1079 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1080 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1081 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1082 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1083 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1084 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1085 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1086 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1087 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1088 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1089 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1090 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1091 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1092 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1093 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1094 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1095 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1096 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1097 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1098 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1099 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1100 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1101 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1102 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1103 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1104 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1105
klauss 0:4d17cd9c8f9d 1106 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1107 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1108 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1109 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1110 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1111 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1112 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1113 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1114 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1115 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1116 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1117 /*
klauss 0:4d17cd9c8f9d 1118 strcat( buffer, ">;expires=" );
klauss 0:4d17cd9c8f9d 1119 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1120 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1121 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1122 */
klauss 0:4d17cd9c8f9d 1123
klauss 0:4d17cd9c8f9d 1124 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1125 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1126 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1127 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1128 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 1129 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1130 return buffer;
klauss 0:4d17cd9c8f9d 1131 }