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@82:f55d13babca0, 2014-12-30 (annotated)

Committer:
klauss
Date:
Tue Dec 30 21:00:00 2014 +0000
Revision:
82:f55d13babca0
Parent:
81:3656f00ab3db
Child:
85:b6f2dc1d0f4f
pequena correcao de bug relacionado ao tratamento de pacotes de bye do cbx.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 0:4d17cd9c8f9d 1 #include "sip.h"
klauss 0:4d17cd9c8f9d 2
klauss 0:4d17cd9c8f9d 3 void Sip::__init_sock__( void ){
klauss 0:4d17cd9c8f9d 4 sip_server.set_address( this->server_ip , this->server_port );
klauss 81:3656f00ab3db 5 sock.set_blocking( false, 5 ); // verificar isso com mais cuidado depois
klauss 0:4d17cd9c8f9d 6 sock.bind( this->my_port );
klauss 82:f55d13babca0 7 //sock.init();
klauss 0:4d17cd9c8f9d 8 }
klauss 0:4d17cd9c8f9d 9
klauss 48:195c97f12e8e 10 void Sip::__end_sock__( void ){
klauss 0:4d17cd9c8f9d 11 sock.close();
klauss 0:4d17cd9c8f9d 12 }
klauss 0:4d17cd9c8f9d 13
klauss 48:195c97f12e8e 14 void Sip::__reconnect__( void ){
klauss 48:195c97f12e8e 15 sock.close();
klauss 48:195c97f12e8e 16 sock.init();
klauss 82:f55d13babca0 17 sock.bind( this->my_port );
klauss 48:195c97f12e8e 18 }
klauss 48:195c97f12e8e 19
klauss 0:4d17cd9c8f9d 20 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 21 this->id = id;
klauss 0:4d17cd9c8f9d 22 strncpy( this->server_ip, server_ip, 20 );
klauss 0:4d17cd9c8f9d 23 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 24 this->server_port = server_port;
klauss 28:94aec56c6329 25 strncpy( this->my_ip, my_ip, 20 );
klauss 0:4d17cd9c8f9d 26 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 27 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 28 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 29 this->my_ext = my_ext;
klauss 0:4d17cd9c8f9d 30 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 31 this->peer_ext = peer_ext;
klauss 0:4d17cd9c8f9d 32
klauss 0:4d17cd9c8f9d 33 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 34 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 35 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 36 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 37 status = sip_idle;
klauss 0:4d17cd9c8f9d 38
klauss 0:4d17cd9c8f9d 39 __init_sock__();
klauss 81:3656f00ab3db 40 muted = false;
klauss 0:4d17cd9c8f9d 41 }
klauss 29:7246460b73f8 42
klauss 29:7246460b73f8 43 Sip::Sip( int id, uint16_t my_port ){
klauss 29:7246460b73f8 44 FILE * fp = NULL;
klauss 29:7246460b73f8 45 char inner_tmp[ 20 ];
klauss 28:94aec56c6329 46
klauss 29:7246460b73f8 47 if( debug_sip ) debug_msg("Building SIP ext :: %d | Port :: %d", id, my_port );
klauss 27:98f824719d1c 48
klauss 29:7246460b73f8 49 this->id = id;
klauss 29:7246460b73f8 50
klauss 28:94aec56c6329 51 fp = fopen( "/qspi/serverip.txt", "r");
klauss 28:94aec56c6329 52 if( fp == NULL){
klauss 29:7246460b73f8 53 if( debug_sip ) debug_msg("Failed to open /qspi/serverip.txt" );
klauss 28:94aec56c6329 54 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 55 }else{
klauss 50:d9b6577a70f5 56 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 57 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 58 if( read > 0 ){
klauss 46:a670f187a704 59 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 60 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 61 tmp[ i ] = '\0';
klauss 46:a670f187a704 62 break;
klauss 46:a670f187a704 63 }
klauss 43:455522f98de5 64 strcpy( this->server_ip, tmp );
klauss 50:d9b6577a70f5 65 if( debug_sip ) debug_msg("Objeto SIP fixado no server ip %s( read %d chars ), valid %d", this->server_ip, read, strlen( this->server_ip ) );
klauss 28:94aec56c6329 66 }else{
klauss 29:7246460b73f8 67 if( debug_sip ) debug_msg("Failed to read /qspi/serverip.txt" );
klauss 28:94aec56c6329 68 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 69 }
klauss 28:94aec56c6329 70 }
klauss 28:94aec56c6329 71 fclose( fp );
klauss 50:d9b6577a70f5 72 this->server_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 73
klauss 28:94aec56c6329 74 fp = fopen( "/qspi/serverport.txt", "r");
klauss 28:94aec56c6329 75 if( fp == NULL ){
klauss 29:7246460b73f8 76 if( debug_sip ) debug_msg("Failed to open /qspi/serverport.txt" );
klauss 28:94aec56c6329 77 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 78 }else{
klauss 29:7246460b73f8 79 if( fread( (void *)inner_tmp, 1, 20, fp ) > 0 ){
klauss 29:7246460b73f8 80 server_port = atoi( inner_tmp );
klauss 29:7246460b73f8 81 if( debug_sip ) debug_msg("Objeto SIP fixado no server port %d", this->server_port );
klauss 28:94aec56c6329 82 }else{
klauss 29:7246460b73f8 83 if( debug_sip ) debug_msg("Failed to read /qspi/serverport.txt" );
klauss 28:94aec56c6329 84 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 85 }
klauss 28:94aec56c6329 86 }
klauss 28:94aec56c6329 87 fclose( fp );
klauss 28:94aec56c6329 88
klauss 28:94aec56c6329 89 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 90 if (fp == NULL){
klauss 29:7246460b73f8 91 if( debug_sip ) debug_msg("Failed to open /qspi/myip.txt" );
klauss 27:98f824719d1c 92 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 93 }else{
klauss 50:d9b6577a70f5 94 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 95 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 96 if( read > 0 ){
klauss 46:a670f187a704 97 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 98 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 99 tmp[ i ] = '\0';
klauss 46:a670f187a704 100 break;
klauss 46:a670f187a704 101 }
klauss 43:455522f98de5 102 strcpy( this->my_ip, tmp );
klauss 50:d9b6577a70f5 103 if( debug_sip ) debug_msg("Objeto SIP fixado no ip %s( lidos %d chars ), valid %d", this->my_ip, read, strlen( this->my_ip ) );
klauss 27:98f824719d1c 104 }else{
klauss 29:7246460b73f8 105 if( debug_sip ) debug_msg("Failed to read /qspi/myip.txt" );
klauss 27:98f824719d1c 106 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 107 }
klauss 27:98f824719d1c 108 }
klauss 27:98f824719d1c 109 fclose( fp );
klauss 46:a670f187a704 110
klauss 50:d9b6577a70f5 111 this->my_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 112
klauss 28:94aec56c6329 113 this->my_port = my_port;
klauss 28:94aec56c6329 114 this->my_rtp_port = fill_random_rtp_port();
klauss 28:94aec56c6329 115 this->my_ext = id;
klauss 28:94aec56c6329 116 itoa( this->my_ext, this->my_display, 10 );
klauss 46:a670f187a704 117
klauss 28:94aec56c6329 118 fp = fopen( "/qspi/peerext.txt", "r");
klauss 29:7246460b73f8 119 if( fp == NULL ) {
klauss 29:7246460b73f8 120 if( debug_sip ) debug_msg("Failed to open /qspi/peerext.txt" );
klauss 28:94aec56c6329 121 this->peer_ext = __PEER_EXT__;
klauss 29:7246460b73f8 122 } else {
klauss 29:7246460b73f8 123 if( fread( (void *)inner_tmp, 1, 32, fp ) > 0 ) {
klauss 29:7246460b73f8 124 this->peer_ext = atoi( inner_tmp );
klauss 29:7246460b73f8 125 if( debug_sip ) debug_msg("Objeto SIP fixado no server ext %d", this->peer_ext );
klauss 29:7246460b73f8 126 } else {
klauss 29:7246460b73f8 127 if( debug_sip ) debug_msg("Failed to read /qspi/peerext.txt" );
klauss 28:94aec56c6329 128 this->peer_ext = __PEER_EXT__;
klauss 28:94aec56c6329 129 }
klauss 28:94aec56c6329 130 }
klauss 28:94aec56c6329 131 fclose( fp );
klauss 0:4d17cd9c8f9d 132 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 133 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 134 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 135 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 136 status = sip_idle;
klauss 0:4d17cd9c8f9d 137
klauss 0:4d17cd9c8f9d 138 __init_sock__();
klauss 81:3656f00ab3db 139 muted = false;
klauss 0:4d17cd9c8f9d 140 }
klauss 29:7246460b73f8 141
klauss 0:4d17cd9c8f9d 142 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 143 __end_sock__();
klauss 0:4d17cd9c8f9d 144 }
klauss 0:4d17cd9c8f9d 145
klauss 78:1353744f01e1 146 int Sip::registry(){
klauss 13:ae278302dffe 147 char out[ 1000 ];
klauss 28:94aec56c6329 148 if( debug_sip ) debug_msg("Registry %d", this->my_ext );
klauss 0:4d17cd9c8f9d 149 build_registry_package( buffer );
klauss 81:3656f00ab3db 150
klauss 81:3656f00ab3db 151 int sent = 0;
klauss 81:3656f00ab3db 152
klauss 81:3656f00ab3db 153 do{
klauss 81:3656f00ab3db 154 sent = sock.sendTo( sip_server, buffer, 512 ); // > 400
klauss 81:3656f00ab3db 155 }while( sent == 0 );
klauss 81:3656f00ab3db 156
klauss 81:3656f00ab3db 157 int rcv = 0;
klauss 81:3656f00ab3db 158
klauss 81:3656f00ab3db 159 rcv = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 78:1353744f01e1 160
klauss 48:195c97f12e8e 161 if( sent == -1 || rcv == -1 ){
klauss 82:f55d13babca0 162 if( debug_sip ) debug_msg("sent -- %d, rcv -- %d", sent, rcv );
klauss 81:3656f00ab3db 163 muted = true;
klauss 48:195c97f12e8e 164 __reconnect__();
klauss 81:3656f00ab3db 165 }else{
klauss 81:3656f00ab3db 166 muted = false;
klauss 48:195c97f12e8e 167 }
klauss 78:1353744f01e1 168
klauss 78:1353744f01e1 169 if( debug_sip ) debug_msg("Sent %i bytes to ext %d", sent, my_ext );
klauss 0:4d17cd9c8f9d 170 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 171 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 172 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 81:3656f00ab3db 173 // esse teste nao esta mais em uso, uma vez que na
klauss 81:3656f00ab3db 174 // configuracao atual do asterisk nao existe
klauss 81:3656f00ab3db 175 // mais o envio desse pacote
klauss 13:ae278302dffe 176 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 177 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 178 sock.sendTo( sip_server, ans, sizeof( 512 ) );
klauss 0:4d17cd9c8f9d 179 }
klauss 0:4d17cd9c8f9d 180 }
klauss 0:4d17cd9c8f9d 181 }
klauss 78:1353744f01e1 182 return( sent );
klauss 0:4d17cd9c8f9d 183 }
klauss 0:4d17cd9c8f9d 184
klauss 0:4d17cd9c8f9d 185 VZ_call * Sip::invite(){
klauss 78:1353744f01e1 186 Timer invite_timer;
klauss 0:4d17cd9c8f9d 187 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 188 itoa( get_id(), callbox_string, 10 );
klauss 81:3656f00ab3db 189 static int invite_pkg_sent;
klauss 14:22a35f575502 190 if( status != sip_on_call ){
klauss 78:1353744f01e1 191 if( status == sip_idle ){
klauss 78:1353744f01e1 192 int cseq = 0;
klauss 77:e8c0253b57bc 193
klauss 78:1353744f01e1 194 build_invite_package( buffer, callbox_string, &cseq );
klauss 81:3656f00ab3db 195 invite_pkg_sent = 0;
klauss 81:3656f00ab3db 196 do{
klauss 81:3656f00ab3db 197 invite_pkg_sent = sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 81:3656f00ab3db 198 }while( invite_pkg_sent == 0 );
klauss 81:3656f00ab3db 199
klauss 81:3656f00ab3db 200 if( debug_sip ) debug_msg("Return value for invite pkg %d", invite_pkg_sent );
klauss 78:1353744f01e1 201
klauss 81:3656f00ab3db 202 if( debug_sip ) debug_msg( "Inviting\r\nSip::status::%d", status );
klauss 81:3656f00ab3db 203
klauss 78:1353744f01e1 204 invite_timer.start();
klauss 78:1353744f01e1 205
klauss 78:1353744f01e1 206 sock.set_blocking( false, 3 );
klauss 81:3656f00ab3db 207
klauss 78:1353744f01e1 208 set_status( status, sip_waiting_trying );
klauss 78:1353744f01e1 209 }
klauss 78:1353744f01e1 210 }else{
klauss 78:1353744f01e1 211 debug_msg("Nao deveria estar sendo chamado aqui!!!!!");
klauss 78:1353744f01e1 212 return( NULL );
klauss 78:1353744f01e1 213 }
klauss 0:4d17cd9c8f9d 214
klauss 78:1353744f01e1 215 uint32_t loop_times = 0;
klauss 78:1353744f01e1 216 uint32_t received_loop_times = 0;
klauss 78:1353744f01e1 217 Timer check_point_timer;
klauss 78:1353744f01e1 218 check_point_timer.start();
klauss 81:3656f00ab3db 219 int16_t length = 0;
klauss 81:3656f00ab3db 220 static int ok_sent = 0;
klauss 78:1353744f01e1 221 static bool waiting = false;
klauss 81:3656f00ab3db 222 static uint16_t length_muted = 0;
klauss 3:cd9148672e25 223 VZ_call * call = NULL;
klauss 78:1353744f01e1 224
klauss 78:1353744f01e1 225 if( invite_timer.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 82:f55d13babca0 226 if( debug_invite == true ) send_msg("Invite call timeout :(");
klauss 81:3656f00ab3db 227 if( ( invite_pkg_sent == -1 ) || length_muted || ok_sent == -1 ){
klauss 81:3656f00ab3db 228 muted = true;
klauss 81:3656f00ab3db 229 if( debug_invite || debug_muted ) debug_msg("RX from eth having situation, length_muted( %d ) - ok_sent( %d )", length_muted, ok_sent );
klauss 81:3656f00ab3db 230 ok_sent = 0;
klauss 81:3656f00ab3db 231 length_muted = 0;
klauss 81:3656f00ab3db 232 __reconnect__();
klauss 81:3656f00ab3db 233 }else{
klauss 81:3656f00ab3db 234 muted = false;
klauss 81:3656f00ab3db 235 }
klauss 81:3656f00ab3db 236
klauss 78:1353744f01e1 237 if( debug_invite ) debug_msg("Timeout do pedido");
klauss 78:1353744f01e1 238 invite_timer.stop();
klauss 78:1353744f01e1 239 invite_timer.reset();
klauss 81:3656f00ab3db 240 set_status( status, sip_denied );
klauss 78:1353744f01e1 241 send_bye();
klauss 78:1353744f01e1 242 return( NULL );
klauss 78:1353744f01e1 243 }
klauss 78:1353744f01e1 244 loop_times++;
klauss 78:1353744f01e1 245 length = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 81:3656f00ab3db 246 if( length == -1 ){ length_muted++; }
klauss 78:1353744f01e1 247 if( length > 0 ){
klauss 78:1353744f01e1 248 check_point_timer.reset();
klauss 78:1353744f01e1 249 received_loop_times++;
klauss 78:1353744f01e1 250 buffer[ length ] = 0;
klauss 78:1353744f01e1 251 if( ( status == sip_trying ) || ( status == sip_ringing ) || ( status == sip_waiting_trying ) ){
klauss 78:1353744f01e1 252 if( !( strncasecmp( buffer + 12, "ok", strlen("ok") ) ) ){
klauss 78:1353744f01e1 253 // tratar depois o esquema do Cseq ::
klauss 78:1353744f01e1 254 //debug_msg( "Cseq == %d", cseq );
klauss 78:1353744f01e1 255 char *ref = strstr( buffer, "audio" );
klauss 78:1353744f01e1 256 if( debug_sip ) debug_msg("ok");
klauss 78:1353744f01e1 257 if( ref != NULL ){
klauss 78:1353744f01e1 258 ref += 6; // audio
klauss 78:1353744f01e1 259 ref = strtok( ref, " ");
klauss 78:1353744f01e1 260 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 78:1353744f01e1 261 char ans[ 1024 ];
klauss 78:1353744f01e1 262 build_ack_package( ans, ( unsigned char *)buffer );
klauss 81:3656f00ab3db 263
klauss 81:3656f00ab3db 264 do{
klauss 81:3656f00ab3db 265 ok_sent = sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 81:3656f00ab3db 266 }while( ok_sent == 0 );
klauss 81:3656f00ab3db 267
klauss 78:1353744f01e1 268 if( debug_sip ) debug_msg("Call alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 78:1353744f01e1 269 set_status( status, sip_on_call );
klauss 78:1353744f01e1 270 return( call );
klauss 77:e8c0253b57bc 271 }
klauss 77:e8c0253b57bc 272 }
klauss 78:1353744f01e1 273 }
klauss 78:1353744f01e1 274 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 78:1353744f01e1 275 if( !( strncasecmp( buffer + 12, "Busy Here", strlen("Busy Here") ) ) ){
klauss 78:1353744f01e1 276 if( debug_sip ) debug_msg("Busy Here");
klauss 78:1353744f01e1 277 send_bye();
klauss 78:1353744f01e1 278 delete( call );
klauss 78:1353744f01e1 279 set_status( status, sip_busy );
klauss 78:1353744f01e1 280 return( NULL );
klauss 78:1353744f01e1 281 }else if( !( strncasecmp( buffer + 12, "Session Progress", strlen("Session Progress") ) ) ){
klauss 78:1353744f01e1 282 char *ref = strstr( buffer, "audio" );
klauss 78:1353744f01e1 283 if( ref != NULL ){
klauss 78:1353744f01e1 284 ref += 6; // strlen( "audio" ) == 6
klauss 78:1353744f01e1 285 ref = strtok( ref, " ");
klauss 78:1353744f01e1 286 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 78:1353744f01e1 287 waiting = true;
klauss 77:e8c0253b57bc 288 }
klauss 77:e8c0253b57bc 289 }
klauss 77:e8c0253b57bc 290 }
klauss 78:1353744f01e1 291 if( status == sip_trying ){
klauss 78:1353744f01e1 292 if( !( strncasecmp( buffer + 12, "ringing", strlen("ringing") ) ) ){
klauss 78:1353744f01e1 293 if( debug_sip ) debug_msg("ringing");
klauss 78:1353744f01e1 294 invite_timer.reset();
klauss 78:1353744f01e1 295 set_status( status, sip_ringing );
klauss 77:e8c0253b57bc 296 }
klauss 76:9f5f99dd895a 297 }
klauss 78:1353744f01e1 298 if( status == sip_waiting_trying ){
klauss 78:1353744f01e1 299 if( !( strncasecmp( buffer + 12, "trying", strlen("trying") ) ) ){
klauss 78:1353744f01e1 300 if( debug_sip ) debug_msg("trying")
klauss 78:1353744f01e1 301 invite_timer.reset();
klauss 78:1353744f01e1 302 set_status( status, sip_trying );
klauss 78:1353744f01e1 303 }
klauss 78:1353744f01e1 304 }
klauss 78:1353744f01e1 305 }else if( ( check_point_timer.read() > 4 ) && ( received_loop_times != 0 ) ){
klauss 78:1353744f01e1 306 if( debug_invite ) send_msg("entrei no loop %d vezes", received_loop_times );
klauss 78:1353744f01e1 307 check_point_timer.reset();
klauss 0:4d17cd9c8f9d 308 }
klauss 81:3656f00ab3db 309
klauss 78:1353744f01e1 310 if( waiting == true ){ return( call ); }
klauss 77:e8c0253b57bc 311
klauss 0:4d17cd9c8f9d 312 return( NULL );
klauss 0:4d17cd9c8f9d 313 }
klauss 0:4d17cd9c8f9d 314
klauss 0:4d17cd9c8f9d 315 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 316 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 317 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 318 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 319 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 320 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 321 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 322 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 323 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 324 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 325 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 326 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 327 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 328 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 329 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 330 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 331 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 332 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 333 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 334 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 335 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 336 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 337 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 338 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 339 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 340 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 341 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 342 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 343 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 344 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 345 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 346 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 347 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 348 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 349 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 350 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 351 itoa( my_ext, itoa_buffer, 10 );
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, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 359 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 360 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 361 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 362 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 363 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 364 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 365 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 366 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 367 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 368
klauss 0:4d17cd9c8f9d 369 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 370 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 371 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 372 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 373 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 374 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 375 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 376 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 377 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 378 strcat( buffer, itoa_buffer );
klauss 78:1353744f01e1 379 strcat( buffer, ">;expires=600" );
klauss 0:4d17cd9c8f9d 380 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 381 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 382 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 383
klauss 0:4d17cd9c8f9d 384 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 385 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 386 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 387 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 388 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 389 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 390 return buffer;
klauss 0:4d17cd9c8f9d 391 }
klauss 0:4d17cd9c8f9d 392
klauss 0:4d17cd9c8f9d 393 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 394 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 395 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 396 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 397 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 398 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 399 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 400 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 401 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 402 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 403
klauss 0:4d17cd9c8f9d 404 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 405 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 406
klauss 0:4d17cd9c8f9d 407 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 408 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 409 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 410 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 411 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 412 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 413 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 414 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 415 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 416 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 417 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 418 strcat( header, "." );
klauss 0:4d17cd9c8f9d 419 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 420 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 421 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 422 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 423 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 424 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 425 strcat( header, "." );
klauss 0:4d17cd9c8f9d 426 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 427 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 428 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 429 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 430 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 431 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 432 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 433 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 434 strcat( header, branch );
klauss 0:4d17cd9c8f9d 435 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 436 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 437 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 438 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 439 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 440 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 441 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 442 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 443 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 444 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 445 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 446 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 447 strcat( header, tag );
klauss 0:4d17cd9c8f9d 448 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 449 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 450 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 451 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 452 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 453 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 454 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 455 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 456 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 457 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 458 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 459 strcat( header, callid );
klauss 0:4d17cd9c8f9d 460 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 461 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 462 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 463 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 464 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 465 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 466 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 467 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 468 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 469 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 470 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 471 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 472 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 473 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 474 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 475 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 476 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 477 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 478 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 479 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 480 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 481 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 482 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 483 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 484 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 485 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 486 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 487 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 488 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 489 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 490 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 491 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 492 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 493 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 494
klauss 0:4d17cd9c8f9d 495 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 496 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 497 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 498 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 499 strcat( body, " " );
klauss 0:4d17cd9c8f9d 500 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 501 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 502 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 503 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 504 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 505 strcat( body, " " );
klauss 0:4d17cd9c8f9d 506 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 507 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 508 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 509 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 510 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 511 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 512 strcat( body, " " );
klauss 0:4d17cd9c8f9d 513 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 514 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 515 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 516 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 517 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 518 strcat( body, " " );
klauss 0:4d17cd9c8f9d 519 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 520 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 521 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 522 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 523 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 524 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 525 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 526 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 527 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 528 strcat( body, " " );
klauss 0:4d17cd9c8f9d 529 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 530 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 531 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 532 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 533 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 534 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 535 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 536 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 537 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 538 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 539 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 540 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 541 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 542 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 543 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 544 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 545 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 546 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 547 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 548 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 549 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 550 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 551 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 552 strcat( body, " " );
klauss 0:4d17cd9c8f9d 553 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 554 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 555 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 556 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 557 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 558 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 559
klauss 0:4d17cd9c8f9d 560 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 561 return( pkg );
klauss 0:4d17cd9c8f9d 562 }
klauss 0:4d17cd9c8f9d 563
klauss 0:4d17cd9c8f9d 564 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 565 int size;
klauss 0:4d17cd9c8f9d 566 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 567 size = strlen( body );
klauss 0:4d17cd9c8f9d 568 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 569 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 570 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 571 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 572 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 573 strcat( pkg, body );
klauss 0:4d17cd9c8f9d 574 pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 575 return pkg;
klauss 0:4d17cd9c8f9d 576 }
klauss 0:4d17cd9c8f9d 577
klauss 0:4d17cd9c8f9d 578 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 579 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 580 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 581 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 582 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 583 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 584
klauss 0:4d17cd9c8f9d 585 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 586 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 587 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 588 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 589 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 590 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 591 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 592 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 593 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 594 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 595 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 596 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 597 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 598 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 599 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 600 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 601 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 602 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 603 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 604 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 605 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 606 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 607 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 608 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 609 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 610 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 611 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 612 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 613 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 614 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 615 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 616 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 617 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 618 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 619 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 620 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 621 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 622 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 623 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 624 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 625 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 630 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 631 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 632 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 633 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 634 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 635 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 636 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 637 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 638 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 639 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 640 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 641 return( buffer );
klauss 0:4d17cd9c8f9d 642 }
klauss 0:4d17cd9c8f9d 643 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 644 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 645 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 646 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 647 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 648 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 649 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 650 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 651 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 652 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 653 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 654 return NULL;
klauss 0:4d17cd9c8f9d 655 }
klauss 0:4d17cd9c8f9d 656 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 657 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 658 return NULL;
klauss 0:4d17cd9c8f9d 659 }
klauss 0:4d17cd9c8f9d 660 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 661 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 662 return NULL;
klauss 0:4d17cd9c8f9d 663 }
klauss 0:4d17cd9c8f9d 664 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 665 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 666
klauss 0:4d17cd9c8f9d 667 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 668 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 669 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 670 }
klauss 0:4d17cd9c8f9d 671 }
klauss 0:4d17cd9c8f9d 672 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 673 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 674 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 675 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 676 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 677 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 678 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 679 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 680 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 681 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 682 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 683 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 684 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 685 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 686 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 687 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 688 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 689 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 690 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 691 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 692 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 693 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 694 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 695 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 696 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 697 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 698 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 699 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 700 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 701 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 702 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 703 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 704 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 705 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 706 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 707 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 708 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 709 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 710 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 711 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 712 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 713 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 714 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 715 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 716 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 717 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 718 buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 719 return( buffer );
klauss 0:4d17cd9c8f9d 720 }
klauss 0:4d17cd9c8f9d 721
klauss 0:4d17cd9c8f9d 722 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 723 char a[32];
klauss 0:4d17cd9c8f9d 724 int i = 0, j;
klauss 0:4d17cd9c8f9d 725 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 726 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 727 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 728 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 729 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 730 j = i+i;
klauss 0:4d17cd9c8f9d 731 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 732 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 733 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 734 }
klauss 0:4d17cd9c8f9d 735
klauss 0:4d17cd9c8f9d 736 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 737 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 738 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 739 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 740 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 741 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 742
klauss 0:4d17cd9c8f9d 743 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 744 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 745 return NULL;
klauss 0:4d17cd9c8f9d 746 }
klauss 0:4d17cd9c8f9d 747 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 748 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 749 return NULL;
klauss 0:4d17cd9c8f9d 750 }
klauss 0:4d17cd9c8f9d 751 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 752 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 753 return NULL;
klauss 0:4d17cd9c8f9d 754 }
klauss 0:4d17cd9c8f9d 755 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 756 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 757 return NULL;
klauss 0:4d17cd9c8f9d 758 }
klauss 0:4d17cd9c8f9d 759 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 760 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 761 return NULL;
klauss 0:4d17cd9c8f9d 762 }
klauss 0:4d17cd9c8f9d 763
klauss 0:4d17cd9c8f9d 764 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 765 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 766 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 767 }
klauss 0:4d17cd9c8f9d 768 }
klauss 0:4d17cd9c8f9d 769
klauss 0:4d17cd9c8f9d 770 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 771 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 772 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 773 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 774 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 775 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 776 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 777 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 778 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 779 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 780 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 781 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 782 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 783 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 784 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 785 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 786 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 787 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 788 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 789 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 790 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 791 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 792 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 793 return( buffer );
klauss 0:4d17cd9c8f9d 794 }
klauss 0:4d17cd9c8f9d 795 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 796 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 797 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 798 return( buffer );
klauss 0:4d17cd9c8f9d 799 }
klauss 0:4d17cd9c8f9d 800
klauss 0:4d17cd9c8f9d 801 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 802 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 803 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 804 return( buffer );
klauss 0:4d17cd9c8f9d 805 }
klauss 0:4d17cd9c8f9d 806 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 807 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 808 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 809 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 810 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 811 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 812 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 813
klauss 0:4d17cd9c8f9d 814 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 815 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 816 return NULL;
klauss 0:4d17cd9c8f9d 817 }
klauss 0:4d17cd9c8f9d 818 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 819 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 820 return NULL;
klauss 0:4d17cd9c8f9d 821 }
klauss 0:4d17cd9c8f9d 822 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 823 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 824 return NULL;
klauss 0:4d17cd9c8f9d 825 }
klauss 0:4d17cd9c8f9d 826 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 827 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 828 return NULL;
klauss 0:4d17cd9c8f9d 829 }
klauss 0:4d17cd9c8f9d 830 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 831 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 832 return NULL;
klauss 0:4d17cd9c8f9d 833 }
klauss 0:4d17cd9c8f9d 834
klauss 0:4d17cd9c8f9d 835 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 836 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 837 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 838 }
klauss 0:4d17cd9c8f9d 839 }
klauss 0:4d17cd9c8f9d 840 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 841
klauss 0:4d17cd9c8f9d 842 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 843 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 844 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 845 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 846 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 847 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 848
klauss 0:4d17cd9c8f9d 849 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 850 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 851 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 852
klauss 0:4d17cd9c8f9d 853 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 854 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 855 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 856
klauss 0:4d17cd9c8f9d 857 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 858 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 859 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 860
klauss 0:4d17cd9c8f9d 861 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 862 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 863 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 864
klauss 0:4d17cd9c8f9d 865 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 866 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 867 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 868 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 869 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 870 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 871
klauss 0:4d17cd9c8f9d 872 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 873 return( buffer );
klauss 0:4d17cd9c8f9d 874 }
klauss 0:4d17cd9c8f9d 875 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 876 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 877 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 878 return( buffer );
klauss 0:4d17cd9c8f9d 879 }
klauss 0:4d17cd9c8f9d 880
klauss 0:4d17cd9c8f9d 881 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 882 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 883 seed += 1;
klauss 0:4d17cd9c8f9d 884 srand( seed );
klauss 0:4d17cd9c8f9d 885
klauss 0:4d17cd9c8f9d 886 int i;
klauss 0:4d17cd9c8f9d 887 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 888 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 889 }
klauss 0:4d17cd9c8f9d 890 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 891 return( buffer );
klauss 0:4d17cd9c8f9d 892 }
klauss 0:4d17cd9c8f9d 893
klauss 0:4d17cd9c8f9d 894 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 895 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 896 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 897 /* initial value, random number */
klauss 0:4d17cd9c8f9d 898 cseq = rand();
klauss 0:4d17cd9c8f9d 899 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 900 }
klauss 0:4d17cd9c8f9d 901 cseq++;
klauss 0:4d17cd9c8f9d 902 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 903 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 904 return cseq;
klauss 0:4d17cd9c8f9d 905 }
klauss 0:4d17cd9c8f9d 906
klauss 0:4d17cd9c8f9d 907 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 908 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 909 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 910 int i = 0;
klauss 0:4d17cd9c8f9d 911 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 912 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 913 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 914 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 915 } else {
klauss 0:4d17cd9c8f9d 916 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 917 }
klauss 0:4d17cd9c8f9d 918 return( cseq );
klauss 0:4d17cd9c8f9d 919 }
klauss 0:4d17cd9c8f9d 920
klauss 0:4d17cd9c8f9d 921 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 922 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 923 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 924 int i = 0;
klauss 0:4d17cd9c8f9d 925 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 926 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 927 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 928 } else {
klauss 0:4d17cd9c8f9d 929 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 930 }
klauss 0:4d17cd9c8f9d 931 return( branch );
klauss 0:4d17cd9c8f9d 932 }
klauss 0:4d17cd9c8f9d 933 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 934 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 935 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 936 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 937 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 938 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 939 char * s;
klauss 0:4d17cd9c8f9d 940 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 941 register int j = 0;
klauss 0:4d17cd9c8f9d 942 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 943 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 944 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 945 return 1; // found
klauss 0:4d17cd9c8f9d 946 }
klauss 0:4d17cd9c8f9d 947 }
klauss 0:4d17cd9c8f9d 948 return 0; // not found
klauss 0:4d17cd9c8f9d 949 }
klauss 0:4d17cd9c8f9d 950
klauss 0:4d17cd9c8f9d 951 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 952 return this->id;
klauss 0:4d17cd9c8f9d 953 }
klauss 0:4d17cd9c8f9d 954 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 955 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 956 }
klauss 0:4d17cd9c8f9d 957 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 958 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 959 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 960 }
klauss 0:4d17cd9c8f9d 961
klauss 0:4d17cd9c8f9d 962 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 963 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 964 // mudar para os sets
klauss 0:4d17cd9c8f9d 965 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 966 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 967 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 968 registry();
klauss 0:4d17cd9c8f9d 969 }
klauss 0:4d17cd9c8f9d 970
klauss 0:4d17cd9c8f9d 971 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 972 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 973 return server_ip;
klauss 0:4d17cd9c8f9d 974 }
klauss 0:4d17cd9c8f9d 975 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 976 return this->server_port;
klauss 0:4d17cd9c8f9d 977 }
klauss 0:4d17cd9c8f9d 978 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 979 return this->peer_ext;
klauss 0:4d17cd9c8f9d 980 }
klauss 0:4d17cd9c8f9d 981 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 982 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 983 }
klauss 0:4d17cd9c8f9d 984 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 985 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 986 }
klauss 0:4d17cd9c8f9d 987 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 988 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 989 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 990 }
klauss 0:4d17cd9c8f9d 991
klauss 0:4d17cd9c8f9d 992 /* Retorna
klauss 0:4d17cd9c8f9d 993 = 0 :: ok
klauss 0:4d17cd9c8f9d 994 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 995 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 996 */
klauss 0:4d17cd9c8f9d 997 int Sip::listen_SIP_server( void ){
klauss 82:f55d13babca0 998 sock.set_blocking( false, 3 );
klauss 81:3656f00ab3db 999
klauss 81:3656f00ab3db 1000 int bye_sent = 0;
klauss 81:3656f00ab3db 1001 int options_sent = 0;
klauss 81:3656f00ab3db 1002
klauss 82:f55d13babca0 1003 int read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 81:3656f00ab3db 1004
klauss 9:ffa64f38ef9c 1005 if( read > 0 ){
klauss 0:4d17cd9c8f9d 1006 if( !( strncasecmp( buffer, "bye", strlen("bye") ) ) ){
klauss 13:ae278302dffe 1007 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 1008 build_reply_package( ans, (unsigned char*)buffer );
klauss 81:3656f00ab3db 1009
klauss 81:3656f00ab3db 1010 do{
klauss 81:3656f00ab3db 1011 bye_sent = sock.sendTo( sip_server, ans, 768 );
klauss 81:3656f00ab3db 1012 }while( bye_sent == 0 );
klauss 81:3656f00ab3db 1013
klauss 33:735fd60e96d8 1014 if( debug_sip ) debug_msg("Server request BYE to %d ext", my_ext );
klauss 81:3656f00ab3db 1015
klauss 81:3656f00ab3db 1016 if( debug_invite ) debug_msg("Bye request received from *");
klauss 81:3656f00ab3db 1017
klauss 0:4d17cd9c8f9d 1018 return( this->my_ext );
klauss 0:4d17cd9c8f9d 1019 }else if( !( strncasecmp( buffer, "options", strlen("options") ) ) ){
klauss 13:ae278302dffe 1020 char ans[ 2000 ];
klauss 33:735fd60e96d8 1021 if( debug_sip ) debug_msg("Options received ");
klauss 0:4d17cd9c8f9d 1022 build_reply_package( ans, (unsigned char*)buffer );
klauss 81:3656f00ab3db 1023
klauss 81:3656f00ab3db 1024 do{
klauss 81:3656f00ab3db 1025 options_sent = sock.sendTo( sip_server, ans, 512 );
klauss 81:3656f00ab3db 1026 }while( options_sent == 0 );
klauss 0:4d17cd9c8f9d 1027 }
klauss 0:4d17cd9c8f9d 1028 }
klauss 81:3656f00ab3db 1029
klauss 81:3656f00ab3db 1030 if( read == -1 || bye_sent == -1 || options_sent == -1 ){
klauss 81:3656f00ab3db 1031 muted = true;
klauss 81:3656f00ab3db 1032 }else{
klauss 81:3656f00ab3db 1033 muted = false;
klauss 81:3656f00ab3db 1034 }
klauss 81:3656f00ab3db 1035
klauss 0:4d17cd9c8f9d 1036 return( 0 );
klauss 0:4d17cd9c8f9d 1037 }
klauss 0:4d17cd9c8f9d 1038
klauss 0:4d17cd9c8f9d 1039 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 1040 my_ext = ext;
klauss 0:4d17cd9c8f9d 1041 }
klauss 0:4d17cd9c8f9d 1042
klauss 0:4d17cd9c8f9d 1043 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 1044 my_port = port;
klauss 0:4d17cd9c8f9d 1045 }
klauss 0:4d17cd9c8f9d 1046
klauss 0:4d17cd9c8f9d 1047 void Sip::send_bye( void ){
klauss 0:4d17cd9c8f9d 1048 build_bye_package( this->buffer );
klauss 81:3656f00ab3db 1049 int ret = 0;
klauss 81:3656f00ab3db 1050 do{
klauss 81:3656f00ab3db 1051 ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 81:3656f00ab3db 1052 }while( ret == 0 );
klauss 81:3656f00ab3db 1053
klauss 81:3656f00ab3db 1054 if( ret == -1 ){
klauss 81:3656f00ab3db 1055 muted = true;
klauss 81:3656f00ab3db 1056 }else{
klauss 81:3656f00ab3db 1057 muted = false;
klauss 81:3656f00ab3db 1058 }
klauss 0:4d17cd9c8f9d 1059 }
klauss 0:4d17cd9c8f9d 1060
klauss 0:4d17cd9c8f9d 1061 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 1062 build_unregistry_package( this->buffer );
klauss 81:3656f00ab3db 1063 //for( register int i = 0; i < 7; i++ )
klauss 81:3656f00ab3db 1064 int ret = 0;
klauss 81:3656f00ab3db 1065 do{
klauss 81:3656f00ab3db 1066 ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 81:3656f00ab3db 1067 }while( ret == 0 );
klauss 81:3656f00ab3db 1068
klauss 81:3656f00ab3db 1069 if( ret == -1 ){
klauss 81:3656f00ab3db 1070 muted = true;
klauss 81:3656f00ab3db 1071 }else{
klauss 81:3656f00ab3db 1072 muted = false;
klauss 81:3656f00ab3db 1073 }
klauss 0:4d17cd9c8f9d 1074 }
klauss 0:4d17cd9c8f9d 1075
klauss 0:4d17cd9c8f9d 1076 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 1077 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1078 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1079 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1080 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 1081 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 1082 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 1083 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 1084 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 1085 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1086 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1087 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1088 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1089 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 1090 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1091 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1092 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1093 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1094 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 1095 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 1096 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 1097 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1098 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1099 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1100 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1101 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1102 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1103 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1104 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1105 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1106 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1107 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1108 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1109 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1110 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1111 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1112 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1113 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1114 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1115 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1116 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1117 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1118 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1119 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1120 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1121 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1122 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1123 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1124 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1125 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1126 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1127 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1128 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1129
klauss 0:4d17cd9c8f9d 1130 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1131 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1132 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1133 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1134 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1135 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1136 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1137 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1138 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1139 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1140 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1141 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1142 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1143 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1144 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1145 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 1146 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1147 return buffer;
klauss 78:1353744f01e1 1148 }
klauss 78:1353744f01e1 1149
klauss 78:1353744f01e1 1150 int Sip::get_status( void ){
klauss 78:1353744f01e1 1151 return this->status;
klauss 78:1353744f01e1 1152 }
klauss 78:1353744f01e1 1153
klauss 78:1353744f01e1 1154 void Sip::sip_set_status( uint8_t status ){
klauss 78:1353744f01e1 1155 this->status = status;
klauss 81:3656f00ab3db 1156 }
klauss 81:3656f00ab3db 1157
klauss 81:3656f00ab3db 1158 void Sip::sip_check_muted( void ){
klauss 81:3656f00ab3db 1159 if( muted == true ) __reconnect__();
klauss 81:3656f00ab3db 1160 if( debug_muted ) send_msg("For some reason sip muted, reconnected");
klauss 0:4d17cd9c8f9d 1161 }