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@46:a670f187a704, 2014-10-07 (annotated)

Committer:
klauss
Date:
Tue Oct 07 18:38:30 2014 +0000
Revision:
46:a670f187a704
Parent:
43:455522f98de5
Child:
48:195c97f12e8e
ajuste de bugs no uso do sistema de arquivos

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 28:94aec56c6329 3 #include "prompt.h"
klauss 0:4d17cd9c8f9d 4
klauss 0:4d17cd9c8f9d 5 void Sip::__init_sock__( void ){
klauss 0:4d17cd9c8f9d 6 sip_server.set_address( this->server_ip , this->server_port );
klauss 0:4d17cd9c8f9d 7 sock.set_blocking( false, 1 ); // verificar isso com mais cuidado depois
klauss 0:4d17cd9c8f9d 8 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 9 sock.init();
klauss 0:4d17cd9c8f9d 10 }
klauss 0:4d17cd9c8f9d 11
klauss 0:4d17cd9c8f9d 12 void Sip::__end_sock__(){
klauss 0:4d17cd9c8f9d 13 sock.close();
klauss 0:4d17cd9c8f9d 14 }
klauss 0:4d17cd9c8f9d 15
klauss 0:4d17cd9c8f9d 16 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 17 this->id = id;
klauss 0:4d17cd9c8f9d 18 strncpy( this->server_ip, server_ip, 20 );
klauss 0:4d17cd9c8f9d 19 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 20 this->server_port = server_port;
klauss 28:94aec56c6329 21 strncpy( this->my_ip, my_ip, 20 );
klauss 0:4d17cd9c8f9d 22 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 23 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 24 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 25 this->my_ext = my_ext;
klauss 0:4d17cd9c8f9d 26 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 27 this->peer_ext = peer_ext;
klauss 0:4d17cd9c8f9d 28
klauss 0:4d17cd9c8f9d 29 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 30 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 31 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 32 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 33 status = sip_idle;
klauss 0:4d17cd9c8f9d 34
klauss 0:4d17cd9c8f9d 35 __init_sock__();
klauss 0:4d17cd9c8f9d 36 }
klauss 29:7246460b73f8 37
klauss 29:7246460b73f8 38 Sip::Sip( int id, uint16_t my_port ){
klauss 29:7246460b73f8 39 FILE * fp = NULL;
klauss 29:7246460b73f8 40 char inner_tmp[ 20 ];
klauss 28:94aec56c6329 41
klauss 29:7246460b73f8 42 if( debug_sip ) debug_msg("Building SIP ext :: %d | Port :: %d", id, my_port );
klauss 27:98f824719d1c 43
klauss 29:7246460b73f8 44 this->id = id;
klauss 29:7246460b73f8 45
klauss 28:94aec56c6329 46 fp = fopen( "/qspi/serverip.txt", "r");
klauss 28:94aec56c6329 47 if( fp == NULL){
klauss 29:7246460b73f8 48 if( debug_sip ) debug_msg("Failed to open /qspi/serverip.txt" );
klauss 28:94aec56c6329 49 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 50 }else{
klauss 46:a670f187a704 51 char tmp[ 16 ];
klauss 46:a670f187a704 52 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 53 if( read > 0 ){
klauss 46:a670f187a704 54 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 55 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 56 tmp[ i ] = '\0';
klauss 46:a670f187a704 57 break;
klauss 46:a670f187a704 58 }
klauss 43:455522f98de5 59 strcpy( this->server_ip, tmp );
klauss 29:7246460b73f8 60 if( debug_sip ) debug_msg("Objeto SIP fixado no server ip %s", this->server_ip );
klauss 28:94aec56c6329 61 }else{
klauss 29:7246460b73f8 62 if( debug_sip ) debug_msg("Failed to read /qspi/serverip.txt" );
klauss 28:94aec56c6329 63 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 64 }
klauss 28:94aec56c6329 65 }
klauss 28:94aec56c6329 66 fclose( fp );
klauss 46:a670f187a704 67 this->server_ip[ 15 ] = 0;
klauss 46:a670f187a704 68
klauss 28:94aec56c6329 69
klauss 28:94aec56c6329 70 fp = fopen( "/qspi/serverport.txt", "r");
klauss 28:94aec56c6329 71 if( fp == NULL ){
klauss 29:7246460b73f8 72 if( debug_sip ) debug_msg("Failed to open /qspi/serverport.txt" );
klauss 28:94aec56c6329 73 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 74 }else{
klauss 29:7246460b73f8 75 if( fread( (void *)inner_tmp, 1, 20, fp ) > 0 ){
klauss 29:7246460b73f8 76 server_port = atoi( inner_tmp );
klauss 29:7246460b73f8 77 if( debug_sip ) debug_msg("Objeto SIP fixado no server port %d", this->server_port );
klauss 28:94aec56c6329 78 }else{
klauss 29:7246460b73f8 79 if( debug_sip ) debug_msg("Failed to read /qspi/serverport.txt" );
klauss 28:94aec56c6329 80 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 81 }
klauss 28:94aec56c6329 82 }
klauss 28:94aec56c6329 83 fclose( fp );
klauss 28:94aec56c6329 84
klauss 28:94aec56c6329 85 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 86 if (fp == NULL){
klauss 29:7246460b73f8 87 if( debug_sip ) debug_msg("Failed to open /qspi/myip.txt" );
klauss 27:98f824719d1c 88 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 89 }else{
klauss 43:455522f98de5 90 char tmp[ 20 ];
klauss 46:a670f187a704 91 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 92 if( read > 0 ){
klauss 46:a670f187a704 93 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 94 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 95 tmp[ i ] = '\0';
klauss 46:a670f187a704 96 break;
klauss 46:a670f187a704 97 }
klauss 43:455522f98de5 98 strcpy( this->my_ip, tmp );
klauss 29:7246460b73f8 99 if( debug_sip ) debug_msg("Objeto SIP fixado no ip %s", this->my_ip );
klauss 27:98f824719d1c 100 }else{
klauss 29:7246460b73f8 101 if( debug_sip ) debug_msg("Failed to read /qspi/myip.txt" );
klauss 27:98f824719d1c 102 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 103 }
klauss 27:98f824719d1c 104 }
klauss 27:98f824719d1c 105 fclose( fp );
klauss 46:a670f187a704 106
klauss 46:a670f187a704 107 this->my_ip[ 15 ] = 0;
klauss 28:94aec56c6329 108
klauss 28:94aec56c6329 109 this->my_port = my_port;
klauss 28:94aec56c6329 110 this->my_rtp_port = fill_random_rtp_port();
klauss 28:94aec56c6329 111 this->my_ext = id;
klauss 28:94aec56c6329 112 itoa( this->my_ext, this->my_display, 10 );
klauss 46:a670f187a704 113
klauss 28:94aec56c6329 114 fp = fopen( "/qspi/peerext.txt", "r");
klauss 29:7246460b73f8 115 if( fp == NULL ) {
klauss 29:7246460b73f8 116 if( debug_sip ) debug_msg("Failed to open /qspi/peerext.txt" );
klauss 28:94aec56c6329 117 this->peer_ext = __PEER_EXT__;
klauss 29:7246460b73f8 118 } else {
klauss 29:7246460b73f8 119 if( fread( (void *)inner_tmp, 1, 32, fp ) > 0 ) {
klauss 29:7246460b73f8 120 this->peer_ext = atoi( inner_tmp );
klauss 29:7246460b73f8 121 if( debug_sip ) debug_msg("Objeto SIP fixado no server ext %d", this->peer_ext );
klauss 29:7246460b73f8 122 } else {
klauss 29:7246460b73f8 123 if( debug_sip ) debug_msg("Failed to read /qspi/peerext.txt" );
klauss 28:94aec56c6329 124 this->peer_ext = __PEER_EXT__;
klauss 28:94aec56c6329 125 }
klauss 28:94aec56c6329 126 }
klauss 28:94aec56c6329 127 fclose( fp );
klauss 27:98f824719d1c 128
klauss 29:7246460b73f8 129 this->my_port = my_port;
klauss 29:7246460b73f8 130 this->my_rtp_port = fill_random_rtp_port();
klauss 29:7246460b73f8 131 this->my_ext = id;
klauss 29:7246460b73f8 132 itoa( this->my_ext, this->my_display, 10 );
klauss 29:7246460b73f8 133
klauss 0:4d17cd9c8f9d 134 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 135 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 136 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 137 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 138 status = sip_idle;
klauss 0:4d17cd9c8f9d 139
klauss 0:4d17cd9c8f9d 140 __init_sock__();
klauss 0:4d17cd9c8f9d 141 }
klauss 29:7246460b73f8 142
klauss 0:4d17cd9c8f9d 143 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 144 __end_sock__();
klauss 0:4d17cd9c8f9d 145 }
klauss 0:4d17cd9c8f9d 146
klauss 0:4d17cd9c8f9d 147 void Sip::registry(){
klauss 13:ae278302dffe 148 char out[ 1000 ];
klauss 28:94aec56c6329 149 if( debug_sip ) debug_msg("Registry %d", this->my_ext );
klauss 0:4d17cd9c8f9d 150 build_registry_package( buffer );
klauss 29:7246460b73f8 151 int sent = sock.sendTo( sip_server, buffer, 512 ); // > 400
klauss 0:4d17cd9c8f9d 152 sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 28:94aec56c6329 153 if( debug_sip ) debug_msg("Received %i bytes to ext %d", sent, my_ext );
klauss 0:4d17cd9c8f9d 154 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 155 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 156 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 13:ae278302dffe 157 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 158 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 159 sock.sendTo( sip_server, ans, sizeof( 512 ) );
klauss 0:4d17cd9c8f9d 160 }
klauss 0:4d17cd9c8f9d 161 }
klauss 0:4d17cd9c8f9d 162 }
klauss 0:4d17cd9c8f9d 163 }
klauss 0:4d17cd9c8f9d 164
klauss 0:4d17cd9c8f9d 165 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 166 Timer t;
klauss 0:4d17cd9c8f9d 167 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 168 itoa( get_id(), callbox_string, 10 );
klauss 0:4d17cd9c8f9d 169
klauss 14:22a35f575502 170 if( status != sip_on_call ){
klauss 14:22a35f575502 171 set_status(status, sip_waiting_trying );
klauss 14:22a35f575502 172 }
klauss 0:4d17cd9c8f9d 173
klauss 0:4d17cd9c8f9d 174 else return( NULL );
klauss 0:4d17cd9c8f9d 175
klauss 0:4d17cd9c8f9d 176 int cseq = 0;
klauss 0:4d17cd9c8f9d 177
klauss 0:4d17cd9c8f9d 178 build_invite_package( buffer, callbox_string, &cseq );
klauss 0:4d17cd9c8f9d 179 sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 180
klauss 29:7246460b73f8 181 if( debug_sip ) debug_msg( "Inviting" );
klauss 29:7246460b73f8 182 if( debug_sip ) debug_msg( "Sip::status::%d", status );
klauss 0:4d17cd9c8f9d 183 t.start();
klauss 0:4d17cd9c8f9d 184
klauss 0:4d17cd9c8f9d 185 sock.set_blocking( false, 5 );
klauss 0:4d17cd9c8f9d 186
klauss 0:4d17cd9c8f9d 187 int loop_times = 0;
klauss 0:4d17cd9c8f9d 188 int received_loop_times = 0;
klauss 0:4d17cd9c8f9d 189 Timer reconnect;
klauss 0:4d17cd9c8f9d 190 reconnect.start();
klauss 29:7246460b73f8 191 //static int id_ = 0;
klauss 0:4d17cd9c8f9d 192 int length = 0;
klauss 3:cd9148672e25 193 bool waiting = false;
klauss 3:cd9148672e25 194
klauss 3:cd9148672e25 195 VZ_call * call = NULL;
klauss 0:4d17cd9c8f9d 196 while( t.read() < __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 197 loop_times++;
klauss 4:de46f0d9b14d 198 length = sock.receiveFrom( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 199 if( length > 0 ){
klauss 0:4d17cd9c8f9d 200 reconnect.reset();
klauss 29:7246460b73f8 201 //debug_msg("Pacotes recebidos :: %d", id_ );
klauss 4:de46f0d9b14d 202 buffer[ length ] = 0;
klauss 0:4d17cd9c8f9d 203 received_loop_times++;
klauss 0:4d17cd9c8f9d 204 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 205 if( !( strncasecmp( buffer + 12, "ok", strlen("ok") ) ) ){
klauss 0:4d17cd9c8f9d 206 // tratar depois o esquema do Cseq ::
klauss 29:7246460b73f8 207 //debug_msg( "Cseq == %d", cseq );
klauss 0:4d17cd9c8f9d 208 set_status(status, sip_on_call);
klauss 4:de46f0d9b14d 209 char *ref = strstr( buffer, "audio" );
klauss 29:7246460b73f8 210 if( debug_sip ) debug_msg("ok");
klauss 0:4d17cd9c8f9d 211 if( ref != NULL ){
klauss 0:4d17cd9c8f9d 212 ref += 6; // audio
klauss 0:4d17cd9c8f9d 213 ref = strtok( ref, " ");
klauss 3:cd9148672e25 214 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 13:ae278302dffe 215 char ans[ 1024 ];
klauss 4:de46f0d9b14d 216 build_ack_package( ans, ( unsigned char *)buffer );
klauss 0:4d17cd9c8f9d 217 sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 29:7246460b73f8 218 if( debug_sip ) debug_msg("Call alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 219 set_status( status, sip_on_call );
klauss 0:4d17cd9c8f9d 220 return( call );
klauss 0:4d17cd9c8f9d 221 }
klauss 0:4d17cd9c8f9d 222 }
klauss 0:4d17cd9c8f9d 223 }
klauss 3:cd9148672e25 224 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 25:2cf5e8dd4035 225 if( !( strncasecmp( buffer + 12, "Busy Here", strlen("Busy Here") ) ) ){
klauss 29:7246460b73f8 226 if( debug_sip ) debug_msg("Busy Here");
klauss 25:2cf5e8dd4035 227 send_bye();
klauss 25:2cf5e8dd4035 228 delete( call );
klauss 25:2cf5e8dd4035 229 set_status( status, sip_busy );
klauss 25:2cf5e8dd4035 230 return( NULL );
klauss 25:2cf5e8dd4035 231 }
klauss 25:2cf5e8dd4035 232 }
klauss 25:2cf5e8dd4035 233 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 4:de46f0d9b14d 234 if( !( strncasecmp( buffer + 12, "Session Progress", strlen("Session Progress") ) ) ){
klauss 29:7246460b73f8 235 //debug_msg( "Trocando dados de audio -- musica de espera com o CBx" );
klauss 4:de46f0d9b14d 236 char *ref = strstr( buffer, "audio" );
klauss 3:cd9148672e25 237 if( ref != NULL ){
klauss 3:cd9148672e25 238 ref += 6; // audio
klauss 3:cd9148672e25 239 ref = strtok( ref, " ");
klauss 3:cd9148672e25 240 if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 3:cd9148672e25 241 waiting = true;
klauss 3:cd9148672e25 242 }
klauss 3:cd9148672e25 243 }
klauss 3:cd9148672e25 244 }
klauss 0:4d17cd9c8f9d 245 if( status == sip_trying ){
klauss 4:de46f0d9b14d 246 if( !( strncasecmp( buffer + 12, "ringing", strlen("ringing") ) ) ){
klauss 29:7246460b73f8 247 if( debug_sip ) debug_msg("ringing");
klauss 0:4d17cd9c8f9d 248 t.reset();
klauss 0:4d17cd9c8f9d 249 set_status( status, sip_ringing );
klauss 0:4d17cd9c8f9d 250 }
klauss 0:4d17cd9c8f9d 251 }
klauss 0:4d17cd9c8f9d 252 if( status == sip_waiting_trying ){
klauss 4:de46f0d9b14d 253 if( !( strncasecmp( buffer + 12, "trying", strlen("trying") ) ) ){
klauss 29:7246460b73f8 254 if( debug_sip ) debug_msg("trying")
klauss 0:4d17cd9c8f9d 255 t.reset();
klauss 0:4d17cd9c8f9d 256 set_status( status, sip_trying );
klauss 0:4d17cd9c8f9d 257 }
klauss 0:4d17cd9c8f9d 258 }
klauss 0:4d17cd9c8f9d 259 }else if( reconnect.read() > 4 ){
klauss 0:4d17cd9c8f9d 260 sock.close();
klauss 0:4d17cd9c8f9d 261 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 262 sock.init();
klauss 0:4d17cd9c8f9d 263 sock.set_blocking( false, 1 );
klauss 29:7246460b73f8 264 if( debug_sip ) debug_msg("Reconnect");
klauss 0:4d17cd9c8f9d 265 reconnect.reset();
klauss 0:4d17cd9c8f9d 266 //sock.sendTo( sip_server, buffer, sizeof( buffer ) );
klauss 0:4d17cd9c8f9d 267 led4 = !led4;
klauss 0:4d17cd9c8f9d 268 }
klauss 3:cd9148672e25 269 if( waiting == true ){
klauss 3:cd9148672e25 270 char * tmp = call->get_eth_message( &length );
klauss 3:cd9148672e25 271 if( tmp != NULL ){
klauss 3:cd9148672e25 272 uint8_t * pkg2cb = __build_cb_package__( this->my_ext, this->my_port, __AUDIO__,
klauss 3:cd9148672e25 273 tmp, __AUDIO__, length, (uint8_t *)buffer );
klauss 3:cd9148672e25 274 __send_to_cb__( pkg2cb );
klauss 3:cd9148672e25 275 }
klauss 3:cd9148672e25 276 }
klauss 0:4d17cd9c8f9d 277 }
klauss 0:4d17cd9c8f9d 278
klauss 29:7246460b73f8 279 if( debug_sip ) debug_msg("Call nao alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times );
klauss 0:4d17cd9c8f9d 280 if( t.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 0:4d17cd9c8f9d 281 set_status(status, sip_denied);
klauss 14:22a35f575502 282 send_bye();
klauss 0:4d17cd9c8f9d 283 }
klauss 3:cd9148672e25 284 delete( call );
klauss 0:4d17cd9c8f9d 285 return( NULL );
klauss 0:4d17cd9c8f9d 286 }
klauss 0:4d17cd9c8f9d 287
klauss 0:4d17cd9c8f9d 288 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 289 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 290 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 291 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 292 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 293 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 294 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 295 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 296 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 297 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 298 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 299 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 300 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 301 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 302 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 303 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 304 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 305 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 306 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 307 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 308 strcat( buffer, "\r\nFrom: " );
klauss 4:de46f0d9b14d 309 // mudar isso aqui pra algo mais compreensivel pra cc
klauss 0:4d17cd9c8f9d 310 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 311 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 312 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 313 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 314 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 315 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 316 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 317 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 318 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 319 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 320 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 321 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 322 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 323 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 324 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 325 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 326 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 327 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 328 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 329 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 330 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 331 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 332 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 333 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 334 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 335 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 336 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 337 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 338 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 339 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 340 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 341 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 342
klauss 0:4d17cd9c8f9d 343 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 344 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 345 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 346 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 347 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 348 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 349 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 350 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 351 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 352 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 353 strcat( buffer, ">;expires=120" );
klauss 0:4d17cd9c8f9d 354 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 355 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 356 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 357
klauss 0:4d17cd9c8f9d 358 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 359 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 360 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 361 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 362 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 363 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 364 return buffer;
klauss 0:4d17cd9c8f9d 365 }
klauss 0:4d17cd9c8f9d 366
klauss 0:4d17cd9c8f9d 367 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 368 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 369 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 370 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 371 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 372 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 373 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 374 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 375 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 376 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 377
klauss 0:4d17cd9c8f9d 378 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 379 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 380
klauss 0:4d17cd9c8f9d 381 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 382 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 383 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 384 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 385 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 386 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 387 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 388 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 389 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 390 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 391 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 392 strcat( header, "." );
klauss 0:4d17cd9c8f9d 393 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 394 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 395 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 396 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 397 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 398 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 399 strcat( header, "." );
klauss 0:4d17cd9c8f9d 400 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 401 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 402 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 403 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 404 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 405 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 406 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 407 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 408 strcat( header, branch );
klauss 0:4d17cd9c8f9d 409 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 410 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 411 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 412 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 413 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 414 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 415 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 416 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 417 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 418 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 419 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 420 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 421 strcat( header, tag );
klauss 0:4d17cd9c8f9d 422 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 423 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 424 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 425 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 426 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 427 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 428 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 429 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 430 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 431 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 432 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 433 strcat( header, callid );
klauss 0:4d17cd9c8f9d 434 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 435 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 436 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 437 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 438 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 439 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 440 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 441 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 442 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 443 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 444 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 445 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 446 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 447 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 448 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 449 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 450 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 451 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 452 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 453 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 454 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 455 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 456 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 457 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 458 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 459 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 460 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 461 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 462 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 463 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 464 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 465 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 466 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 467 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 468
klauss 0:4d17cd9c8f9d 469 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 470 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 471 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 472 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 473 strcat( body, " " );
klauss 0:4d17cd9c8f9d 474 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 475 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 476 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 477 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 478 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 479 strcat( body, " " );
klauss 0:4d17cd9c8f9d 480 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 481 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 482 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 483 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 484 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 485 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 486 strcat( body, " " );
klauss 0:4d17cd9c8f9d 487 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 488 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 489 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 490 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 491 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 492 strcat( body, " " );
klauss 0:4d17cd9c8f9d 493 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 494 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 495 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 496 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 497 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 498 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 499 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 500 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 501 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 502 strcat( body, " " );
klauss 0:4d17cd9c8f9d 503 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 504 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 505 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 506 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 507 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 508 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 509 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 510 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 511 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 512 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 513 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 514 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 515 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 516 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 517 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 518 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 519 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 520 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 521 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 522 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 523 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 524 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 525 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 526 strcat( body, " " );
klauss 0:4d17cd9c8f9d 527 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 528 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 529 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 530 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 531 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 532 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 533
klauss 0:4d17cd9c8f9d 534 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 535 return( pkg );
klauss 0:4d17cd9c8f9d 536 }
klauss 0:4d17cd9c8f9d 537
klauss 0:4d17cd9c8f9d 538 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 539 int size;
klauss 0:4d17cd9c8f9d 540 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 541 size = strlen( body );
klauss 0:4d17cd9c8f9d 542 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 543 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 544 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 545 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 546 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 547 strcat( pkg, body );
klauss 0:4d17cd9c8f9d 548 pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 549 return pkg;
klauss 0:4d17cd9c8f9d 550 }
klauss 0:4d17cd9c8f9d 551
klauss 0:4d17cd9c8f9d 552 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 553 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 554 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 555 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 556 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 557 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 558
klauss 0:4d17cd9c8f9d 559 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 560 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 561 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 562 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 563 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 564 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 565 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 566 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 567 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 568 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 569 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 570 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 571 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 572 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 573 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 574 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 575 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 576 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 577 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 578 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 579 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 580 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 581 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 582 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 583 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 584 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 585 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 586 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 587 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 588 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 589 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 590 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 591 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 592 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 593 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 594 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 595 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 596 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 597 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 598 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 599 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 600 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 601 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 602 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 603 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 604 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 605 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 606 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 607 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 608 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 609 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 610 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 611 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 612 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 613 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 614 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 615 return( buffer );
klauss 0:4d17cd9c8f9d 616 }
klauss 0:4d17cd9c8f9d 617 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 618 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 619 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 620 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 621 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 622 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 623 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 624 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 625 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 626 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 627 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 628 return NULL;
klauss 0:4d17cd9c8f9d 629 }
klauss 0:4d17cd9c8f9d 630 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 631 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 632 return NULL;
klauss 0:4d17cd9c8f9d 633 }
klauss 0:4d17cd9c8f9d 634 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 635 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 636 return NULL;
klauss 0:4d17cd9c8f9d 637 }
klauss 0:4d17cd9c8f9d 638 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 639 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 640
klauss 0:4d17cd9c8f9d 641 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 642 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 643 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 644 }
klauss 0:4d17cd9c8f9d 645 }
klauss 0:4d17cd9c8f9d 646 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 647 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 648 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 649 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 650 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 651 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 652 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 653 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 654 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 655 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 656 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 657 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 658 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 659 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 660 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 661 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 662 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 663 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 664 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 665 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 666 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 667 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 668 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 669 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 670 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 671 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 672 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 673 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 674 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 675 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 676 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 677 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 678 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 679 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 680 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 681 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 682 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 683 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 684 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 685 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 686 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 687 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 688 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 689 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 690 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 691 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 692 buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 693 return( buffer );
klauss 0:4d17cd9c8f9d 694 }
klauss 0:4d17cd9c8f9d 695
klauss 0:4d17cd9c8f9d 696 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 697 char a[32];
klauss 0:4d17cd9c8f9d 698 int i = 0, j;
klauss 0:4d17cd9c8f9d 699 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 700 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 701 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 702 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 703 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 704 j = i+i;
klauss 0:4d17cd9c8f9d 705 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 706 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 707 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 708 }
klauss 0:4d17cd9c8f9d 709
klauss 0:4d17cd9c8f9d 710 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 711 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 712 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 713 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 714 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 715 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 716
klauss 0:4d17cd9c8f9d 717 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 718 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 719 return NULL;
klauss 0:4d17cd9c8f9d 720 }
klauss 0:4d17cd9c8f9d 721 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 722 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 723 return NULL;
klauss 0:4d17cd9c8f9d 724 }
klauss 0:4d17cd9c8f9d 725 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 726 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 727 return NULL;
klauss 0:4d17cd9c8f9d 728 }
klauss 0:4d17cd9c8f9d 729 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 730 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 731 return NULL;
klauss 0:4d17cd9c8f9d 732 }
klauss 0:4d17cd9c8f9d 733 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 734 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 735 return NULL;
klauss 0:4d17cd9c8f9d 736 }
klauss 0:4d17cd9c8f9d 737
klauss 0:4d17cd9c8f9d 738 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 739 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 740 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 741 }
klauss 0:4d17cd9c8f9d 742 }
klauss 0:4d17cd9c8f9d 743
klauss 0:4d17cd9c8f9d 744 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 745 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 746 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 747 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 748 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 749 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 750 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 751 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 752 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 753 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 754 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 755 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 756 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 757 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 758 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 759 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 760 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 761 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 762 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 763 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 764 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 765 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 766 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 767 return( buffer );
klauss 0:4d17cd9c8f9d 768 }
klauss 0:4d17cd9c8f9d 769 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 770 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 771 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 772 return( buffer );
klauss 0:4d17cd9c8f9d 773 }
klauss 0:4d17cd9c8f9d 774
klauss 0:4d17cd9c8f9d 775 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 776 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 777 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 778 return( buffer );
klauss 0:4d17cd9c8f9d 779 }
klauss 0:4d17cd9c8f9d 780 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 781 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 782 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 783 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 784 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 785 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 786 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 787
klauss 0:4d17cd9c8f9d 788 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 789 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 790 return NULL;
klauss 0:4d17cd9c8f9d 791 }
klauss 0:4d17cd9c8f9d 792 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 793 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 794 return NULL;
klauss 0:4d17cd9c8f9d 795 }
klauss 0:4d17cd9c8f9d 796 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 797 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 798 return NULL;
klauss 0:4d17cd9c8f9d 799 }
klauss 0:4d17cd9c8f9d 800 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 801 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 802 return NULL;
klauss 0:4d17cd9c8f9d 803 }
klauss 0:4d17cd9c8f9d 804 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 805 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 806 return NULL;
klauss 0:4d17cd9c8f9d 807 }
klauss 0:4d17cd9c8f9d 808
klauss 0:4d17cd9c8f9d 809 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 810 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 811 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 812 }
klauss 0:4d17cd9c8f9d 813 }
klauss 0:4d17cd9c8f9d 814 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 815
klauss 0:4d17cd9c8f9d 816 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 817 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 818 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 819 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 820 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 821 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 822
klauss 0:4d17cd9c8f9d 823 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 824 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 825 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 826
klauss 0:4d17cd9c8f9d 827 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 828 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 829 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 830
klauss 0:4d17cd9c8f9d 831 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 832 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 833 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 834
klauss 0:4d17cd9c8f9d 835 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 836 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 837 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 838
klauss 0:4d17cd9c8f9d 839 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 840 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 841 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 842 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 843 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 844 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 845
klauss 0:4d17cd9c8f9d 846 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 847 return( buffer );
klauss 0:4d17cd9c8f9d 848 }
klauss 0:4d17cd9c8f9d 849 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 850 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 851 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 852 return( buffer );
klauss 0:4d17cd9c8f9d 853 }
klauss 0:4d17cd9c8f9d 854
klauss 0:4d17cd9c8f9d 855 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 856 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 857 seed += 1;
klauss 0:4d17cd9c8f9d 858 srand( seed );
klauss 0:4d17cd9c8f9d 859
klauss 0:4d17cd9c8f9d 860 int i;
klauss 0:4d17cd9c8f9d 861 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 862 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 863 }
klauss 0:4d17cd9c8f9d 864 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 865 return( buffer );
klauss 0:4d17cd9c8f9d 866 }
klauss 0:4d17cd9c8f9d 867
klauss 0:4d17cd9c8f9d 868 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 869 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 870 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 871 /* initial value, random number */
klauss 0:4d17cd9c8f9d 872 cseq = rand();
klauss 0:4d17cd9c8f9d 873 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 874 }
klauss 0:4d17cd9c8f9d 875 cseq++;
klauss 0:4d17cd9c8f9d 876 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 877 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 878 return cseq;
klauss 0:4d17cd9c8f9d 879 }
klauss 0:4d17cd9c8f9d 880
klauss 0:4d17cd9c8f9d 881 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 882 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 883 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 884 int i = 0;
klauss 0:4d17cd9c8f9d 885 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 886 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 887 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 888 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 889 } else {
klauss 0:4d17cd9c8f9d 890 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 891 }
klauss 0:4d17cd9c8f9d 892 return( cseq );
klauss 0:4d17cd9c8f9d 893 }
klauss 0:4d17cd9c8f9d 894
klauss 0:4d17cd9c8f9d 895 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 896 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 897 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 898 int i = 0;
klauss 0:4d17cd9c8f9d 899 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 900 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 901 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 902 } else {
klauss 0:4d17cd9c8f9d 903 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 904 }
klauss 0:4d17cd9c8f9d 905 return( branch );
klauss 0:4d17cd9c8f9d 906 }
klauss 0:4d17cd9c8f9d 907 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 908 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 909 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 910 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 911 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 912 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 913 char * s;
klauss 0:4d17cd9c8f9d 914 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 915 register int j = 0;
klauss 0:4d17cd9c8f9d 916 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 917 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 918 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 919 return 1; // found
klauss 0:4d17cd9c8f9d 920 }
klauss 0:4d17cd9c8f9d 921 }
klauss 0:4d17cd9c8f9d 922 return 0; // not found
klauss 0:4d17cd9c8f9d 923 }
klauss 0:4d17cd9c8f9d 924
klauss 0:4d17cd9c8f9d 925 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 926 return this->id;
klauss 0:4d17cd9c8f9d 927 }
klauss 0:4d17cd9c8f9d 928 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 929 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 930 }
klauss 0:4d17cd9c8f9d 931 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 932 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 933 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 934 }
klauss 0:4d17cd9c8f9d 935
klauss 0:4d17cd9c8f9d 936 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 937 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 938 // mudar para os sets
klauss 0:4d17cd9c8f9d 939 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 940 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 941 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 942 registry();
klauss 0:4d17cd9c8f9d 943 }
klauss 0:4d17cd9c8f9d 944
klauss 0:4d17cd9c8f9d 945 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 946 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 947 return server_ip;
klauss 0:4d17cd9c8f9d 948 }
klauss 0:4d17cd9c8f9d 949 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 950 return this->server_port;
klauss 0:4d17cd9c8f9d 951 }
klauss 0:4d17cd9c8f9d 952 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 953 return this->peer_ext;
klauss 0:4d17cd9c8f9d 954 }
klauss 0:4d17cd9c8f9d 955 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 956 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 957 }
klauss 0:4d17cd9c8f9d 958 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 959 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 960 }
klauss 0:4d17cd9c8f9d 961 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 962 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 963 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 964 }
klauss 0:4d17cd9c8f9d 965
klauss 0:4d17cd9c8f9d 966 /* Retorna
klauss 0:4d17cd9c8f9d 967 = 0 :: ok
klauss 0:4d17cd9c8f9d 968 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 969 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 970 */
klauss 0:4d17cd9c8f9d 971 int Sip::listen_SIP_server( void ){
klauss 14:22a35f575502 972 sock.set_blocking( false, 1 );
klauss 15:9c7456c1b6f4 973 //debug_msg("");
klauss 33:735fd60e96d8 974 //uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 975 uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) );
klauss 9:ffa64f38ef9c 976 if( read > 0 ){
klauss 13:ae278302dffe 977 //debug_msg( "-- SIP recebeu algo --" );
klauss 0:4d17cd9c8f9d 978 if( !( strncasecmp( buffer, "bye", strlen("bye") ) ) ){
klauss 13:ae278302dffe 979 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 980 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 981 //sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 38:af5ecd6997ab 982 sock.sendTo( sip_server, ans, 768 );
klauss 33:735fd60e96d8 983 if( debug_sip ) debug_msg("Server request BYE to %d ext", my_ext );
klauss 0:4d17cd9c8f9d 984 return( this->my_ext );
klauss 0:4d17cd9c8f9d 985 }else if( !( strncasecmp( buffer, "options", strlen("options") ) ) ){
klauss 13:ae278302dffe 986 char ans[ 2000 ];
klauss 33:735fd60e96d8 987 if( debug_sip ) debug_msg("Options received ");
klauss 0:4d17cd9c8f9d 988 build_reply_package( ans, (unsigned char*)buffer );
klauss 33:735fd60e96d8 989 //sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 33:735fd60e96d8 990 sock.sendTo( sip_server, ans, 512 );
klauss 0:4d17cd9c8f9d 991 }
klauss 0:4d17cd9c8f9d 992 }
klauss 0:4d17cd9c8f9d 993 return( 0 );
klauss 0:4d17cd9c8f9d 994 }
klauss 0:4d17cd9c8f9d 995
klauss 0:4d17cd9c8f9d 996 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 997 my_ext = ext;
klauss 0:4d17cd9c8f9d 998 }
klauss 0:4d17cd9c8f9d 999
klauss 0:4d17cd9c8f9d 1000 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 1001 my_port = port;
klauss 0:4d17cd9c8f9d 1002 }
klauss 0:4d17cd9c8f9d 1003
klauss 0:4d17cd9c8f9d 1004 void Sip::send_bye( void ){
klauss 0:4d17cd9c8f9d 1005 build_bye_package( this->buffer );
klauss 0:4d17cd9c8f9d 1006 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1007 }
klauss 0:4d17cd9c8f9d 1008
klauss 0:4d17cd9c8f9d 1009 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 1010 build_unregistry_package( this->buffer );
klauss 0:4d17cd9c8f9d 1011 for( register int i = 0; i < 7; i++ )
klauss 0:4d17cd9c8f9d 1012 sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) );
klauss 0:4d17cd9c8f9d 1013 }
klauss 0:4d17cd9c8f9d 1014
klauss 0:4d17cd9c8f9d 1015 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 1016 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1017 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1018 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 1019 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 1020 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 1021 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 1022 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 1023 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 1024 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1025 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1026 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1027 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1028 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 1029 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1030 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1031 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1032 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1033 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 1034 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 1035 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 1036 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1037 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1038 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1039 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1040 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1041 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1042 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1043 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1044 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1045 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1046 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1047 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1048 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1049 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1050 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1051 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1052 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1053 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1054 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1055 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1056 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1057 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1058 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1059 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1060 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1061 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1062 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1063 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1064 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1065 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1066 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1067 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1068
klauss 0:4d17cd9c8f9d 1069 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1070 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1071 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1072 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1073 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1074 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1075 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1076 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1077 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1078 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1079 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1080 /*
klauss 0:4d17cd9c8f9d 1081 strcat( buffer, ">;expires=" );
klauss 0:4d17cd9c8f9d 1082 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1083 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1084 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1085 */
klauss 0:4d17cd9c8f9d 1086
klauss 0:4d17cd9c8f9d 1087 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1088 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1089 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1090 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1091 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 1092 buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1093 return buffer;
klauss 0:4d17cd9c8f9d 1094 }