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@99:e80850c51106, 2015-01-19 (annotated)

Committer:
klauss
Date:
Mon Jan 19 18:00:42 2015 +0000
Revision:
99:e80850c51106
Parent:
97:8985817e8847
Child:
100:09a23fcd3bdf
wip header cb tx delay

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 89:0fe315117b00 5 //sock.set_blocking( false, 5 ); // verificar isso com mais cuidado depois
klauss 89:0fe315117b00 6 sock.set_blocking( false, 0 );
klauss 0:4d17cd9c8f9d 7 sock.bind( this->my_port );
klauss 82:f55d13babca0 8 //sock.init();
klauss 0:4d17cd9c8f9d 9 }
klauss 0:4d17cd9c8f9d 10
klauss 48:195c97f12e8e 11 void Sip::__end_sock__( void ){
klauss 0:4d17cd9c8f9d 12 sock.close();
klauss 0:4d17cd9c8f9d 13 }
klauss 0:4d17cd9c8f9d 14
klauss 48:195c97f12e8e 15 void Sip::__reconnect__( void ){
klauss 48:195c97f12e8e 16 sock.close();
klauss 48:195c97f12e8e 17 sock.init();
klauss 82:f55d13babca0 18 sock.bind( this->my_port );
klauss 48:195c97f12e8e 19 }
klauss 48:195c97f12e8e 20
klauss 0:4d17cd9c8f9d 21 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 22 this->id = id;
klauss 0:4d17cd9c8f9d 23 strncpy( this->server_ip, server_ip, 20 );
klauss 0:4d17cd9c8f9d 24 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 25 this->server_port = server_port;
klauss 28:94aec56c6329 26 strncpy( this->my_ip, my_ip, 20 );
klauss 0:4d17cd9c8f9d 27 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 28 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 29 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 30 this->my_ext = my_ext;
klauss 0:4d17cd9c8f9d 31 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 32 this->peer_ext = peer_ext;
klauss 0:4d17cd9c8f9d 33
klauss 0:4d17cd9c8f9d 34 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 35 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 36 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 37 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 38 status = sip_idle;
klauss 0:4d17cd9c8f9d 39
klauss 0:4d17cd9c8f9d 40 __init_sock__();
klauss 81:3656f00ab3db 41 muted = false;
klauss 91:c2a86b1f8aaa 42
klauss 91:c2a86b1f8aaa 43 this->invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 44
klauss 91:c2a86b1f8aaa 45 call = NULL;
klauss 91:c2a86b1f8aaa 46
klauss 91:c2a86b1f8aaa 47 ok_sent = 0;
klauss 91:c2a86b1f8aaa 48 waiting = false;
klauss 91:c2a86b1f8aaa 49 length_muted = 0;
klauss 91:c2a86b1f8aaa 50 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 51
klauss 85:b6f2dc1d0f4f 52 sip_new_counter++;
klauss 0:4d17cd9c8f9d 53 }
klauss 29:7246460b73f8 54
klauss 29:7246460b73f8 55 Sip::Sip( int id, uint16_t my_port ){
klauss 29:7246460b73f8 56 FILE * fp = NULL;
klauss 29:7246460b73f8 57 char inner_tmp[ 20 ];
klauss 28:94aec56c6329 58
klauss 29:7246460b73f8 59 if( debug_sip ) debug_msg("Building SIP ext :: %d | Port :: %d", id, my_port );
klauss 27:98f824719d1c 60
klauss 29:7246460b73f8 61 this->id = id;
klauss 29:7246460b73f8 62
klauss 28:94aec56c6329 63 fp = fopen( "/qspi/serverip.txt", "r");
klauss 28:94aec56c6329 64 if( fp == NULL){
klauss 29:7246460b73f8 65 if( debug_sip ) debug_msg("Failed to open /qspi/serverip.txt" );
klauss 28:94aec56c6329 66 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 67 }else{
klauss 50:d9b6577a70f5 68 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 69 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 70 if( read > 0 ){
klauss 46:a670f187a704 71 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 72 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 73 tmp[ i ] = '\0';
klauss 46:a670f187a704 74 break;
klauss 46:a670f187a704 75 }
klauss 43:455522f98de5 76 strcpy( this->server_ip, tmp );
klauss 50:d9b6577a70f5 77 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 78 }else{
klauss 29:7246460b73f8 79 if( debug_sip ) debug_msg("Failed to read /qspi/serverip.txt" );
klauss 28:94aec56c6329 80 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 81 }
klauss 28:94aec56c6329 82 }
klauss 28:94aec56c6329 83 fclose( fp );
klauss 50:d9b6577a70f5 84 this->server_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 85
klauss 28:94aec56c6329 86 fp = fopen( "/qspi/serverport.txt", "r");
klauss 28:94aec56c6329 87 if( fp == NULL ){
klauss 29:7246460b73f8 88 if( debug_sip ) debug_msg("Failed to open /qspi/serverport.txt" );
klauss 28:94aec56c6329 89 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 90 }else{
klauss 29:7246460b73f8 91 if( fread( (void *)inner_tmp, 1, 20, fp ) > 0 ){
klauss 29:7246460b73f8 92 server_port = atoi( inner_tmp );
klauss 29:7246460b73f8 93 if( debug_sip ) debug_msg("Objeto SIP fixado no server port %d", this->server_port );
klauss 28:94aec56c6329 94 }else{
klauss 29:7246460b73f8 95 if( debug_sip ) debug_msg("Failed to read /qspi/serverport.txt" );
klauss 28:94aec56c6329 96 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 97 }
klauss 28:94aec56c6329 98 }
klauss 28:94aec56c6329 99 fclose( fp );
klauss 28:94aec56c6329 100
klauss 28:94aec56c6329 101 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 102 if (fp == NULL){
klauss 29:7246460b73f8 103 if( debug_sip ) debug_msg("Failed to open /qspi/myip.txt" );
klauss 27:98f824719d1c 104 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 105 }else{
klauss 50:d9b6577a70f5 106 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 107 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 108 if( read > 0 ){
klauss 46:a670f187a704 109 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 110 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 111 tmp[ i ] = '\0';
klauss 46:a670f187a704 112 break;
klauss 46:a670f187a704 113 }
klauss 43:455522f98de5 114 strcpy( this->my_ip, tmp );
klauss 50:d9b6577a70f5 115 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 116 }else{
klauss 29:7246460b73f8 117 if( debug_sip ) debug_msg("Failed to read /qspi/myip.txt" );
klauss 27:98f824719d1c 118 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 119 }
klauss 27:98f824719d1c 120 }
klauss 27:98f824719d1c 121 fclose( fp );
klauss 46:a670f187a704 122
klauss 50:d9b6577a70f5 123 this->my_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 124
klauss 28:94aec56c6329 125 this->my_port = my_port;
klauss 97:8985817e8847 126 if( debug_sip ) debug_msg("Fixado na porta %d", this->my_port );
klauss 97:8985817e8847 127
klauss 28:94aec56c6329 128 this->my_rtp_port = fill_random_rtp_port();
klauss 28:94aec56c6329 129 this->my_ext = id;
klauss 28:94aec56c6329 130 itoa( this->my_ext, this->my_display, 10 );
klauss 46:a670f187a704 131
klauss 28:94aec56c6329 132 fp = fopen( "/qspi/peerext.txt", "r");
klauss 29:7246460b73f8 133 if( fp == NULL ) {
klauss 29:7246460b73f8 134 if( debug_sip ) debug_msg("Failed to open /qspi/peerext.txt" );
klauss 28:94aec56c6329 135 this->peer_ext = __PEER_EXT__;
klauss 29:7246460b73f8 136 } else {
klauss 29:7246460b73f8 137 if( fread( (void *)inner_tmp, 1, 32, fp ) > 0 ) {
klauss 29:7246460b73f8 138 this->peer_ext = atoi( inner_tmp );
klauss 29:7246460b73f8 139 if( debug_sip ) debug_msg("Objeto SIP fixado no server ext %d", this->peer_ext );
klauss 29:7246460b73f8 140 } else {
klauss 29:7246460b73f8 141 if( debug_sip ) debug_msg("Failed to read /qspi/peerext.txt" );
klauss 28:94aec56c6329 142 this->peer_ext = __PEER_EXT__;
klauss 28:94aec56c6329 143 }
klauss 28:94aec56c6329 144 }
klauss 28:94aec56c6329 145 fclose( fp );
klauss 0:4d17cd9c8f9d 146 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 147 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 148 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 149 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 150 status = sip_idle;
klauss 0:4d17cd9c8f9d 151
klauss 0:4d17cd9c8f9d 152 __init_sock__();
klauss 81:3656f00ab3db 153 muted = false;
klauss 85:b6f2dc1d0f4f 154
klauss 91:c2a86b1f8aaa 155 invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 156 call = NULL;
klauss 91:c2a86b1f8aaa 157
klauss 91:c2a86b1f8aaa 158 ok_sent = 0;
klauss 91:c2a86b1f8aaa 159 waiting = false;
klauss 91:c2a86b1f8aaa 160 length_muted = 0;
klauss 91:c2a86b1f8aaa 161 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 162
klauss 85:b6f2dc1d0f4f 163 sip_new_counter++;
klauss 0:4d17cd9c8f9d 164 }
klauss 29:7246460b73f8 165
klauss 0:4d17cd9c8f9d 166 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 167 __end_sock__();
klauss 85:b6f2dc1d0f4f 168 sip_delete_counter++;
klauss 0:4d17cd9c8f9d 169 }
klauss 0:4d17cd9c8f9d 170
klauss 78:1353744f01e1 171 int Sip::registry(){
klauss 28:94aec56c6329 172 if( debug_sip ) debug_msg("Registry %d", this->my_ext );
klauss 0:4d17cd9c8f9d 173 build_registry_package( buffer );
klauss 81:3656f00ab3db 174
klauss 91:c2a86b1f8aaa 175 int sent = sock.sendTo( sip_server, buffer, strlen( buffer ) ); // > 400
klauss 91:c2a86b1f8aaa 176
klauss 97:8985817e8847 177 if( debug_sip ) debug_msg("Sent %i of %i bytes to ext %d -- port %d", sent, strlen( buffer ), my_ext, my_port );
klauss 85:b6f2dc1d0f4f 178
klauss 92:92df17f538a8 179 if( sent != strlen( buffer ) ){
klauss 92:92df17f538a8 180 sip_socket_send_failure++;
klauss 92:92df17f538a8 181 }
klauss 92:92df17f538a8 182
klauss 91:c2a86b1f8aaa 183 return( sent );
klauss 78:1353744f01e1 184
klauss 89:0fe315117b00 185 /*
klauss 0:4d17cd9c8f9d 186 if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){
klauss 0:4d17cd9c8f9d 187 if(strlen( out ) > 7){
klauss 0:4d17cd9c8f9d 188 if(strcasecmp("options",out+strlen(out)-7) == 0){
klauss 81:3656f00ab3db 189 // esse teste nao esta mais em uso, uma vez que na
klauss 81:3656f00ab3db 190 // configuracao atual do asterisk nao existe
klauss 81:3656f00ab3db 191 // mais o envio desse pacote
klauss 13:ae278302dffe 192 char ans[ 2000 ];
klauss 0:4d17cd9c8f9d 193 build_reply_package( ans, (unsigned char*)buffer );
klauss 89:0fe315117b00 194 //sock.sendTo( sip_server, ans, sizeof( 512 ) );
klauss 89:0fe315117b00 195 sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 89:0fe315117b00 196 if( debug_sip ) send_msg( "sizeof( Registry reply pkg ) :: %d", strlen( ans ) );
klauss 0:4d17cd9c8f9d 197 }
klauss 0:4d17cd9c8f9d 198 }
klauss 0:4d17cd9c8f9d 199 }
klauss 89:0fe315117b00 200 */
klauss 0:4d17cd9c8f9d 201 }
klauss 0:4d17cd9c8f9d 202
klauss 0:4d17cd9c8f9d 203 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 204 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 205 itoa( get_id(), callbox_string, 10 );
klauss 91:c2a86b1f8aaa 206
klauss 91:c2a86b1f8aaa 207 if( status == sip_on_call ) return call;
klauss 87:679ee0d594a9 208
klauss 91:c2a86b1f8aaa 209 else if( status == sip_idle ){
klauss 91:c2a86b1f8aaa 210 int cseq = 0;
klauss 91:c2a86b1f8aaa 211
klauss 91:c2a86b1f8aaa 212 call = NULL;
klauss 91:c2a86b1f8aaa 213
klauss 91:c2a86b1f8aaa 214 build_invite_package( buffer, callbox_string, &cseq );
klauss 91:c2a86b1f8aaa 215
klauss 91:c2a86b1f8aaa 216 this->invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 217
klauss 91:c2a86b1f8aaa 218 do{
klauss 91:c2a86b1f8aaa 219 this->invite_pkg_sent = sock.sendTo( sip_server, buffer, strlen( buffer ) );
klauss 91:c2a86b1f8aaa 220 }while( this->invite_pkg_sent == 0 );
klauss 78:1353744f01e1 221
klauss 91:c2a86b1f8aaa 222 if( debug_invite ) debug_msg("Return value for invite pkg %d", invite_pkg_sent );
klauss 91:c2a86b1f8aaa 223
klauss 99:e80850c51106 224 invite_timer.stop();
klauss 99:e80850c51106 225 invite_timer.reset();
klauss 91:c2a86b1f8aaa 226 invite_timer.start();
klauss 91:c2a86b1f8aaa 227
klauss 91:c2a86b1f8aaa 228 set_status( status, sip_waiting_trying );
klauss 91:c2a86b1f8aaa 229
klauss 91:c2a86b1f8aaa 230 waiting = false;
klauss 91:c2a86b1f8aaa 231
klauss 91:c2a86b1f8aaa 232 ok_sent = 0;
klauss 91:c2a86b1f8aaa 233
klauss 91:c2a86b1f8aaa 234 length_muted = 0;
klauss 78:1353744f01e1 235 }
klauss 0:4d17cd9c8f9d 236
klauss 78:1353744f01e1 237 if( invite_timer.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 92:92df17f538a8 238 if( debug_invite == true ) debug_msg("Invite call timeout :(");
klauss 91:c2a86b1f8aaa 239
klauss 91:c2a86b1f8aaa 240 if( ( this->invite_pkg_sent == -1 ) || length_muted || ok_sent == -1 ){
klauss 81:3656f00ab3db 241 muted = true;
klauss 81:3656f00ab3db 242 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 243 ok_sent = 0;
klauss 81:3656f00ab3db 244 length_muted = 0;
klauss 81:3656f00ab3db 245 __reconnect__();
klauss 81:3656f00ab3db 246 }else{
klauss 81:3656f00ab3db 247 muted = false;
klauss 81:3656f00ab3db 248 }
klauss 81:3656f00ab3db 249
klauss 78:1353744f01e1 250 if( debug_invite ) debug_msg("Timeout do pedido");
klauss 78:1353744f01e1 251 invite_timer.stop();
klauss 78:1353744f01e1 252 invite_timer.reset();
klauss 81:3656f00ab3db 253 set_status( status, sip_denied );
klauss 78:1353744f01e1 254 send_bye();
klauss 91:c2a86b1f8aaa 255
klauss 91:c2a86b1f8aaa 256 //if( call != NULL ) delete( call );
klauss 91:c2a86b1f8aaa 257 call = NULL;
klauss 78:1353744f01e1 258 return( NULL );
klauss 78:1353744f01e1 259 }
klauss 77:e8c0253b57bc 260
klauss 91:c2a86b1f8aaa 261 if( waiting == true ){ return call; }
klauss 91:c2a86b1f8aaa 262
klauss 91:c2a86b1f8aaa 263 else return( NULL );
klauss 0:4d17cd9c8f9d 264 }
klauss 0:4d17cd9c8f9d 265
klauss 0:4d17cd9c8f9d 266 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 267 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 268 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 269 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 270 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 271 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 272 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 273 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 274 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 275 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 276 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 277 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 278 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 279 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 280 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 281 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 282 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 283 strcat( buffer, itoa_buffer );
klauss 97:8985817e8847 284 if( debug_sip ) debug_msg("Fixado na porta %s-", itoa_buffer );
klauss 0:4d17cd9c8f9d 285 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 286 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 287 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 288 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 289 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 290 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 291 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 292 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 293 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 294 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 295 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 296 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 297 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 298 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 299 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 300 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 301 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 302 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 303 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 304 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 305 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 306 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 307 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 308 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 309 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 310 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 311 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 312 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 313 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 314 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 315 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 316 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 317 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 318 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 319 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 320
klauss 0:4d17cd9c8f9d 321 strcat( buffer, "Contact: " );
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 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 326 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 327 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 328 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 329 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 330 strcat( buffer, itoa_buffer );
klauss 92:92df17f538a8 331 strcat( buffer, ">;expires=270" );
klauss 0:4d17cd9c8f9d 332 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 333 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 334 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 335
klauss 0:4d17cd9c8f9d 336 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 337 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 338 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 339 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 340 strcat( buffer, "\r\n\r\n" );
klauss 89:0fe315117b00 341 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 342 return buffer;
klauss 0:4d17cd9c8f9d 343 }
klauss 0:4d17cd9c8f9d 344
klauss 0:4d17cd9c8f9d 345 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 346 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 347 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 348 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 349 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 350 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 351 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 352 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 353 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 354 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 355
klauss 0:4d17cd9c8f9d 356 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 357 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 358
klauss 0:4d17cd9c8f9d 359 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 360 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 361 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 362 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 363 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 364 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 365 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 366 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 367 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 368 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 369 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 370 strcat( header, "." );
klauss 0:4d17cd9c8f9d 371 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 372 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 373 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 374 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 375 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 376 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 377 strcat( header, "." );
klauss 0:4d17cd9c8f9d 378 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 379 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 380 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 381 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 382 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 383 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 384 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 385 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 386 strcat( header, branch );
klauss 0:4d17cd9c8f9d 387 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 388 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 389 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 390 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 391 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 392 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 393 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 394 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 395 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 396 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 397 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 398 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 399 strcat( header, tag );
klauss 0:4d17cd9c8f9d 400 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 401 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 402 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 403 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 404 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 405 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 406 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 407 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 408 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 409 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 410 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 411 strcat( header, callid );
klauss 0:4d17cd9c8f9d 412 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 413 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 414 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 415 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 416 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 417 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 418 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 419 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 420 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 421 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 422 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 423 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 424 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 425 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 426 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 427 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 428 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 429 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 430 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 431 strcat( header, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 432 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 433 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 434 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 435 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 436 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 437 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 438 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 439 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 440 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 441 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 442 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 443 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 444 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 0:4d17cd9c8f9d 445 header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 446
klauss 0:4d17cd9c8f9d 447 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 448 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 449 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 450 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 451 strcat( body, " " );
klauss 0:4d17cd9c8f9d 452 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 453 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 454 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 455 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 456 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 457 strcat( body, " " );
klauss 0:4d17cd9c8f9d 458 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 459 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 460 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 461 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 462 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 463 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 464 strcat( body, " " );
klauss 0:4d17cd9c8f9d 465 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 466 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 467 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 468 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 469 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 470 strcat( body, " " );
klauss 0:4d17cd9c8f9d 471 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 472 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 473 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 474 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 475 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 476 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 477 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 478 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 479 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 480 strcat( body, " " );
klauss 0:4d17cd9c8f9d 481 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 482 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 483 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 484 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 485 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 486 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 487 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 488 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 489 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 490 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 491 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 492 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 493 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 494 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 495 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 496 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 497 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 498 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 499 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 500 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 501 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 502 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 503 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 504 strcat( body, " " );
klauss 0:4d17cd9c8f9d 505 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 506 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 507 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 508 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 509 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 510 body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 511
klauss 0:4d17cd9c8f9d 512 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 513 return( pkg );
klauss 0:4d17cd9c8f9d 514 }
klauss 0:4d17cd9c8f9d 515
klauss 0:4d17cd9c8f9d 516 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 517 int size;
klauss 0:4d17cd9c8f9d 518 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 519 size = strlen( body );
klauss 0:4d17cd9c8f9d 520 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 521 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 522 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 523 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 524 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 525 strcat( pkg, body );
klauss 89:0fe315117b00 526 //pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 527 return pkg;
klauss 0:4d17cd9c8f9d 528 }
klauss 0:4d17cd9c8f9d 529
klauss 0:4d17cd9c8f9d 530 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 531 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 532 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 533 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 534 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 535 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 536
klauss 0:4d17cd9c8f9d 537 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 538 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 539 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 540 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 541 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 542 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 543 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 544 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 545 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 546 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 547 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 548 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 549 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 550 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 551 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 552 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 553 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 554 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 555 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 556 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 557 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 558 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 559 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 560 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 561 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 562 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 563 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 564 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 565 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 566 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 567 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 568 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 569 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 570 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 571 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 572 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 573 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 574 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 575 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 576 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 577 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 578 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 579 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 580 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 581 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 582 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 583 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 584 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 585 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 586 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 587 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 588 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 589 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 590 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 591 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 592 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 593 return( buffer );
klauss 0:4d17cd9c8f9d 594 }
klauss 0:4d17cd9c8f9d 595 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 596 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 597 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 598 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 599 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 600 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 601 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 602 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 603 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 604 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 605 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 606 return NULL;
klauss 0:4d17cd9c8f9d 607 }
klauss 0:4d17cd9c8f9d 608 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 609 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 610 return NULL;
klauss 0:4d17cd9c8f9d 611 }
klauss 0:4d17cd9c8f9d 612 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 613 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 614 return NULL;
klauss 0:4d17cd9c8f9d 615 }
klauss 0:4d17cd9c8f9d 616 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 617 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 618
klauss 0:4d17cd9c8f9d 619 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 620 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 621 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 622 }
klauss 0:4d17cd9c8f9d 623 }
klauss 0:4d17cd9c8f9d 624 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 625 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 630 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 631 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 632 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 633 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 634 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 635 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 636 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 637 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 638 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 639 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 640 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 641 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 642 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 643 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 644 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 645 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 646 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 647 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 648 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 649 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 650 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 651 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 652 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 653 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 654 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 655 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 656 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 657 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 658 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 659 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 660 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 661 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 662 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 663 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 664 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 665 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 666 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 667 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 668 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 669 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 89:0fe315117b00 670 //buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 671 return( buffer );
klauss 0:4d17cd9c8f9d 672 }
klauss 0:4d17cd9c8f9d 673
klauss 0:4d17cd9c8f9d 674 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 675 char a[32];
klauss 0:4d17cd9c8f9d 676 int i = 0, j;
klauss 0:4d17cd9c8f9d 677 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 678 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 679 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 680 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 681 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 682 j = i+i;
klauss 0:4d17cd9c8f9d 683 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 684 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 685 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 686 }
klauss 0:4d17cd9c8f9d 687
klauss 0:4d17cd9c8f9d 688 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 689 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 690 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 691 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 692 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 693 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 694
klauss 0:4d17cd9c8f9d 695 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 696 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 697 return NULL;
klauss 0:4d17cd9c8f9d 698 }
klauss 0:4d17cd9c8f9d 699 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 700 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 701 return NULL;
klauss 0:4d17cd9c8f9d 702 }
klauss 0:4d17cd9c8f9d 703 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 704 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 705 return NULL;
klauss 0:4d17cd9c8f9d 706 }
klauss 0:4d17cd9c8f9d 707 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 708 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 709 return NULL;
klauss 0:4d17cd9c8f9d 710 }
klauss 0:4d17cd9c8f9d 711 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 712 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 713 return NULL;
klauss 0:4d17cd9c8f9d 714 }
klauss 0:4d17cd9c8f9d 715
klauss 0:4d17cd9c8f9d 716 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 717 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 718 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 719 }
klauss 0:4d17cd9c8f9d 720 }
klauss 0:4d17cd9c8f9d 721
klauss 0:4d17cd9c8f9d 722 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 723 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 724 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 725 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 726 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 727 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 728 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 729 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 730 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 731 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 732 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 733 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 734 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 735 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 736 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 737 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 738 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 739 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 740 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 741 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 742 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 743 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 89:0fe315117b00 744 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 745 return( buffer );
klauss 0:4d17cd9c8f9d 746 }
klauss 0:4d17cd9c8f9d 747 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 748 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 749 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 750 return( buffer );
klauss 0:4d17cd9c8f9d 751 }
klauss 0:4d17cd9c8f9d 752
klauss 0:4d17cd9c8f9d 753 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 754 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 755 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 756 return( buffer );
klauss 0:4d17cd9c8f9d 757 }
klauss 0:4d17cd9c8f9d 758 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 759 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 760 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 761 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 762 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 763 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 764 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 765
klauss 0:4d17cd9c8f9d 766 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 767 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 768 return NULL;
klauss 0:4d17cd9c8f9d 769 }
klauss 0:4d17cd9c8f9d 770 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 771 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 772 return NULL;
klauss 0:4d17cd9c8f9d 773 }
klauss 0:4d17cd9c8f9d 774 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 775 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 776 return NULL;
klauss 0:4d17cd9c8f9d 777 }
klauss 0:4d17cd9c8f9d 778 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 779 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 780 return NULL;
klauss 0:4d17cd9c8f9d 781 }
klauss 0:4d17cd9c8f9d 782 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 783 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 784 return NULL;
klauss 0:4d17cd9c8f9d 785 }
klauss 0:4d17cd9c8f9d 786
klauss 0:4d17cd9c8f9d 787 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 788 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 789 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 790 }
klauss 0:4d17cd9c8f9d 791 }
klauss 0:4d17cd9c8f9d 792 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 793
klauss 0:4d17cd9c8f9d 794 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 795 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 796 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 797 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 798 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 799 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 800
klauss 0:4d17cd9c8f9d 801 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 802 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 803 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 804
klauss 0:4d17cd9c8f9d 805 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 806 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 807 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 808
klauss 0:4d17cd9c8f9d 809 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 810 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 811 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 812
klauss 0:4d17cd9c8f9d 813 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 814 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 815 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 816
klauss 0:4d17cd9c8f9d 817 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 818 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 819 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 820 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 821 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 822 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 823
klauss 89:0fe315117b00 824 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 825 return( buffer );
klauss 0:4d17cd9c8f9d 826 }
klauss 0:4d17cd9c8f9d 827 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 828 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 829 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 830 return( buffer );
klauss 0:4d17cd9c8f9d 831 }
klauss 0:4d17cd9c8f9d 832
klauss 0:4d17cd9c8f9d 833 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 834 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 835 seed += 1;
klauss 0:4d17cd9c8f9d 836 srand( seed );
klauss 0:4d17cd9c8f9d 837
klauss 0:4d17cd9c8f9d 838 int i;
klauss 0:4d17cd9c8f9d 839 for (i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 840 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 841 }
klauss 0:4d17cd9c8f9d 842 buffer[ size ] = 0;
klauss 0:4d17cd9c8f9d 843 return( buffer );
klauss 0:4d17cd9c8f9d 844 }
klauss 0:4d17cd9c8f9d 845
klauss 0:4d17cd9c8f9d 846 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 847 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 848 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 849 /* initial value, random number */
klauss 0:4d17cd9c8f9d 850 cseq = rand();
klauss 0:4d17cd9c8f9d 851 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 852 }
klauss 0:4d17cd9c8f9d 853 cseq++;
klauss 0:4d17cd9c8f9d 854 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 855 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 856 return cseq;
klauss 0:4d17cd9c8f9d 857 }
klauss 0:4d17cd9c8f9d 858
klauss 0:4d17cd9c8f9d 859 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 860 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 861 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 862 int i = 0;
klauss 0:4d17cd9c8f9d 863 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 864 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 865 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 866 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 867 } else {
klauss 0:4d17cd9c8f9d 868 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 869 }
klauss 0:4d17cd9c8f9d 870 return( cseq );
klauss 0:4d17cd9c8f9d 871 }
klauss 0:4d17cd9c8f9d 872
klauss 0:4d17cd9c8f9d 873 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 874 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 875 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 876 int i = 0;
klauss 0:4d17cd9c8f9d 877 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 878 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 879 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 880 } else {
klauss 0:4d17cd9c8f9d 881 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 882 }
klauss 0:4d17cd9c8f9d 883 return( branch );
klauss 0:4d17cd9c8f9d 884 }
klauss 0:4d17cd9c8f9d 885 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 886 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 887 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 888 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 889 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 890 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 891 char * s;
klauss 0:4d17cd9c8f9d 892 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 893 register int j = 0;
klauss 0:4d17cd9c8f9d 894 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 895 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 896 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 897 return 1; // found
klauss 0:4d17cd9c8f9d 898 }
klauss 0:4d17cd9c8f9d 899 }
klauss 0:4d17cd9c8f9d 900 return 0; // not found
klauss 0:4d17cd9c8f9d 901 }
klauss 0:4d17cd9c8f9d 902
klauss 0:4d17cd9c8f9d 903 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 904 return this->id;
klauss 0:4d17cd9c8f9d 905 }
klauss 0:4d17cd9c8f9d 906 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 907 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 908 }
klauss 0:4d17cd9c8f9d 909 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 910 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 911 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 912 }
klauss 0:4d17cd9c8f9d 913
klauss 0:4d17cd9c8f9d 914 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 915 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 916 // mudar para os sets
klauss 0:4d17cd9c8f9d 917 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 918 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 919 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 920 registry();
klauss 0:4d17cd9c8f9d 921 }
klauss 0:4d17cd9c8f9d 922
klauss 0:4d17cd9c8f9d 923 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 924 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 925 return server_ip;
klauss 0:4d17cd9c8f9d 926 }
klauss 0:4d17cd9c8f9d 927 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 928 return this->server_port;
klauss 0:4d17cd9c8f9d 929 }
klauss 0:4d17cd9c8f9d 930 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 931 return this->peer_ext;
klauss 0:4d17cd9c8f9d 932 }
klauss 0:4d17cd9c8f9d 933 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 934 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 935 }
klauss 0:4d17cd9c8f9d 936 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 937 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 938 }
klauss 0:4d17cd9c8f9d 939 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 940 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 941 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 942 }
klauss 0:4d17cd9c8f9d 943
klauss 0:4d17cd9c8f9d 944 /* Retorna
klauss 0:4d17cd9c8f9d 945 = 0 :: ok
klauss 0:4d17cd9c8f9d 946 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 947 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 948 */
klauss 0:4d17cd9c8f9d 949 int Sip::listen_SIP_server( void ){
klauss 91:c2a86b1f8aaa 950 int ret = listen_SIP_server_return;
klauss 91:c2a86b1f8aaa 951 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 952 return ret;
klauss 0:4d17cd9c8f9d 953 }
klauss 0:4d17cd9c8f9d 954
klauss 0:4d17cd9c8f9d 955 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 956 my_ext = ext;
klauss 0:4d17cd9c8f9d 957 }
klauss 0:4d17cd9c8f9d 958
klauss 0:4d17cd9c8f9d 959 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 960 my_port = port;
klauss 0:4d17cd9c8f9d 961 }
klauss 0:4d17cd9c8f9d 962
klauss 0:4d17cd9c8f9d 963 void Sip::send_bye( void ){
klauss 91:c2a86b1f8aaa 964
klauss 91:c2a86b1f8aaa 965 int ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), strlen( this->buffer ) );
klauss 91:c2a86b1f8aaa 966
klauss 91:c2a86b1f8aaa 967 if( debug_sip ) send_msg( "sizeof( bye pkg ) :: %d", strlen( buffer ) );
klauss 81:3656f00ab3db 968
klauss 81:3656f00ab3db 969 if( ret == -1 ){
klauss 81:3656f00ab3db 970 muted = true;
klauss 81:3656f00ab3db 971 }else{
klauss 81:3656f00ab3db 972 muted = false;
klauss 81:3656f00ab3db 973 }
klauss 0:4d17cd9c8f9d 974 }
klauss 0:4d17cd9c8f9d 975
klauss 0:4d17cd9c8f9d 976 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 977 build_unregistry_package( this->buffer );
klauss 91:c2a86b1f8aaa 978
klauss 81:3656f00ab3db 979 int ret = 0;
klauss 91:c2a86b1f8aaa 980
klauss 91:c2a86b1f8aaa 981 ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), strlen( this->buffer ) );
klauss 91:c2a86b1f8aaa 982 if( debug_sip ) send_msg("sizeof( unregistry_pkg ) :: %d", strlen( buffer ) );
klauss 81:3656f00ab3db 983
klauss 81:3656f00ab3db 984 if( ret == -1 ){
klauss 81:3656f00ab3db 985 muted = true;
klauss 81:3656f00ab3db 986 }else{
klauss 81:3656f00ab3db 987 muted = false;
klauss 81:3656f00ab3db 988 }
klauss 0:4d17cd9c8f9d 989 }
klauss 0:4d17cd9c8f9d 990
klauss 0:4d17cd9c8f9d 991 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 992 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 993 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 994 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 995 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 996 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 997 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 998 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 999 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 1000 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1001 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1002 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1003 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1004 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 1005 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1006 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1007 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1008 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1009 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 1010 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 1011 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 1012 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1013 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1014 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1015 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1016 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1017 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1018 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1019 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1020 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1021 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1022 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1023 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1024 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1025 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1026 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1027 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1028 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1029 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1030 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1031 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1032 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1033 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1034 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1035 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1036 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1037 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1038 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1039 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1040 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1041 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1042 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1043 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1044
klauss 0:4d17cd9c8f9d 1045 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1046 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1047 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1048 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1049 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1050 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1051 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1052 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1053 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1054 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1055 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1056 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1057 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1058 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1059 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1060 strcat( buffer, "\r\n\r\n" );
klauss 89:0fe315117b00 1061 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1062 return buffer;
klauss 78:1353744f01e1 1063 }
klauss 78:1353744f01e1 1064
klauss 78:1353744f01e1 1065 int Sip::get_status( void ){
klauss 78:1353744f01e1 1066 return this->status;
klauss 78:1353744f01e1 1067 }
klauss 78:1353744f01e1 1068
klauss 78:1353744f01e1 1069 void Sip::sip_set_status( uint8_t status ){
klauss 78:1353744f01e1 1070 this->status = status;
klauss 81:3656f00ab3db 1071 }
klauss 81:3656f00ab3db 1072
klauss 81:3656f00ab3db 1073 void Sip::sip_check_muted( void ){
klauss 81:3656f00ab3db 1074 if( muted == true ) __reconnect__();
klauss 81:3656f00ab3db 1075 if( debug_muted ) send_msg("For some reason sip muted, reconnected");
klauss 89:0fe315117b00 1076 }
klauss 89:0fe315117b00 1077
klauss 89:0fe315117b00 1078 int Sip::get_socket_fd( void ){
klauss 89:0fe315117b00 1079 return sock.get_fd();
klauss 89:0fe315117b00 1080 }
klauss 89:0fe315117b00 1081
klauss 91:c2a86b1f8aaa 1082 int Sip::udp_incomming_pkg( void ){
klauss 91:c2a86b1f8aaa 1083 Endpoint from;
klauss 91:c2a86b1f8aaa 1084
klauss 91:c2a86b1f8aaa 1085 int length = sock.receiveFrom( from, buffer, sizeof( buffer ) );
klauss 91:c2a86b1f8aaa 1086
klauss 91:c2a86b1f8aaa 1087 if( memcmp( ( ( u8_t * )( &(from._remoteHost) ) ) + 2, ( ( u8_t * )( &(sip_server._remoteHost) ) ) + 2, 6 ) != 0 ) return 0;
klauss 91:c2a86b1f8aaa 1088
klauss 91:c2a86b1f8aaa 1089 if( length == -1 ){ length_muted++; }
klauss 91:c2a86b1f8aaa 1090
klauss 91:c2a86b1f8aaa 1091 if( length > 0 ){
klauss 91:c2a86b1f8aaa 1092 if( sizeof( buffer ) > length ) buffer[ length ] = 0;
klauss 91:c2a86b1f8aaa 1093
klauss 91:c2a86b1f8aaa 1094 int sip_response = -1;
klauss 91:c2a86b1f8aaa 1095
klauss 91:c2a86b1f8aaa 1096 // faster than atoi() (:
klauss 91:c2a86b1f8aaa 1097 if( buffer[ 7 ] == ' ' || buffer[ 11 ] == ' ' ){
klauss 91:c2a86b1f8aaa 1098 sip_response = ( buffer[ 8 ] - '0' ) * 100 + ( buffer[ 9 ] - '0' ) * 10 + ( buffer[ 10 ] - '0' );
klauss 91:c2a86b1f8aaa 1099 }
klauss 91:c2a86b1f8aaa 1100
klauss 91:c2a86b1f8aaa 1101 if( ( status == sip_trying ) || ( status == sip_ringing ) || ( status == sip_waiting_trying ) ){
klauss 91:c2a86b1f8aaa 1102 //if( !( strncasecmp( buffer + 7, " 200 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1103 if( sip_response == 200 ){ // Ok
klauss 91:c2a86b1f8aaa 1104 char *ref = strstr( buffer, "audio" );
klauss 91:c2a86b1f8aaa 1105 if( debug_invite ) debug_msg("ok");
klauss 91:c2a86b1f8aaa 1106 if( ref != NULL ){
klauss 91:c2a86b1f8aaa 1107 ref += 6; // audio
klauss 91:c2a86b1f8aaa 1108 ref = strtok( ref, " ");
klauss 91:c2a86b1f8aaa 1109 if( call == NULL ){
klauss 91:c2a86b1f8aaa 1110 call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 91:c2a86b1f8aaa 1111 if( call == NULL ) memory_is_over = true;
klauss 91:c2a86b1f8aaa 1112 }
klauss 91:c2a86b1f8aaa 1113 char ans[ 1024 ];
klauss 91:c2a86b1f8aaa 1114 build_ack_package( ans, ( unsigned char *)buffer );
klauss 91:c2a86b1f8aaa 1115
klauss 91:c2a86b1f8aaa 1116 do{
klauss 91:c2a86b1f8aaa 1117 //ok_sent = sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 91:c2a86b1f8aaa 1118 ok_sent = sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 91:c2a86b1f8aaa 1119 }while( ok_sent == 0 );
klauss 91:c2a86b1f8aaa 1120
klauss 91:c2a86b1f8aaa 1121 if( debug_invite ) debug_msg("Call alocada -- Sip::status::%d :: ", status );
klauss 91:c2a86b1f8aaa 1122 set_status( status, sip_on_call );
klauss 91:c2a86b1f8aaa 1123 }
klauss 91:c2a86b1f8aaa 1124 }
klauss 91:c2a86b1f8aaa 1125 }
klauss 91:c2a86b1f8aaa 1126 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 91:c2a86b1f8aaa 1127 //if( !( strncmp( buffer + 7, " 4", 2 ) ) ){
klauss 91:c2a86b1f8aaa 1128 if( sip_response >= 400 && sip_response < 700 ){
klauss 91:c2a86b1f8aaa 1129 if( debug_invite ) {
klauss 91:c2a86b1f8aaa 1130 buffer[ 11 ] = 0;
klauss 97:8985817e8847 1131 if( debug_invite ) debug_msg("Busy Here :: %s", buffer + 8 );
klauss 91:c2a86b1f8aaa 1132 }
klauss 91:c2a86b1f8aaa 1133 send_bye();
klauss 91:c2a86b1f8aaa 1134 //if( call != NULL ) delete( call );
klauss 91:c2a86b1f8aaa 1135 set_status( status, sip_busy );
klauss 91:c2a86b1f8aaa 1136 return( NULL );
klauss 91:c2a86b1f8aaa 1137 }else //if( !( strncasecmp( buffer + 7, " 183 ", 5 ) ) ){ // Session in Progress
klauss 91:c2a86b1f8aaa 1138 if( sip_response == 183 ){
klauss 91:c2a86b1f8aaa 1139 char *ref = strstr( buffer, "audio" );
klauss 91:c2a86b1f8aaa 1140 if( ref != NULL ){
klauss 91:c2a86b1f8aaa 1141 ref += 6; // strlen( "audio" ) == 6
klauss 91:c2a86b1f8aaa 1142 ref = strtok( ref, " ");
klauss 91:c2a86b1f8aaa 1143 if( call == NULL ){
klauss 91:c2a86b1f8aaa 1144 this->call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 91:c2a86b1f8aaa 1145 if( call == NULL ) memory_is_over = true;
klauss 91:c2a86b1f8aaa 1146 }
klauss 91:c2a86b1f8aaa 1147 waiting = true;
klauss 91:c2a86b1f8aaa 1148 }
klauss 91:c2a86b1f8aaa 1149 }
klauss 91:c2a86b1f8aaa 1150 }
klauss 91:c2a86b1f8aaa 1151 if( status == sip_trying ){
klauss 91:c2a86b1f8aaa 1152 //if( !( strncasecmp( buffer + 7, " 180 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1153 if( sip_response == 180 ){
klauss 91:c2a86b1f8aaa 1154 if( debug_invite ) debug_msg("ringing");
klauss 91:c2a86b1f8aaa 1155 set_status( status, sip_ringing );
klauss 91:c2a86b1f8aaa 1156 }
klauss 91:c2a86b1f8aaa 1157 }
klauss 91:c2a86b1f8aaa 1158 if( status == sip_waiting_trying ){
klauss 91:c2a86b1f8aaa 1159 //if( !( strncasecmp( buffer + 7, " 100 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1160 if( sip_response == 100 ){
klauss 91:c2a86b1f8aaa 1161 if( debug_invite ) debug_msg("trying")
klauss 91:c2a86b1f8aaa 1162 set_status( status, sip_trying );
klauss 91:c2a86b1f8aaa 1163 }
klauss 91:c2a86b1f8aaa 1164 }
klauss 91:c2a86b1f8aaa 1165 if( status == sip_on_call ){
klauss 91:c2a86b1f8aaa 1166 if( !( strncasecmp( buffer, "bye ", 4 ) ) ){
klauss 91:c2a86b1f8aaa 1167 char ans[ 2000 ];
klauss 91:c2a86b1f8aaa 1168 build_reply_package( ans, (unsigned char*)buffer );
klauss 91:c2a86b1f8aaa 1169
klauss 91:c2a86b1f8aaa 1170 int bye_sent = sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 91:c2a86b1f8aaa 1171 if( debug_invite ) debug_msg("sizeof( bye reply pkg ) :: %d", strlen( ans ) );
klauss 91:c2a86b1f8aaa 1172 if( debug_invite ) debug_msg("Server request BYE to %d ext", my_ext );
klauss 91:c2a86b1f8aaa 1173 if( debug_invite ) debug_msg("Bye request received from *");
klauss 91:c2a86b1f8aaa 1174
klauss 91:c2a86b1f8aaa 1175 listen_SIP_server_return = my_ext;
klauss 91:c2a86b1f8aaa 1176 }
klauss 91:c2a86b1f8aaa 1177 }
klauss 91:c2a86b1f8aaa 1178 }
klauss 91:c2a86b1f8aaa 1179
klauss 91:c2a86b1f8aaa 1180 return length;
klauss 91:c2a86b1f8aaa 1181 }
klauss 91:c2a86b1f8aaa 1182
klauss 91:c2a86b1f8aaa 1183 void Sip::reset_call( void ){
klauss 91:c2a86b1f8aaa 1184 if( call != NULL ) call = NULL;
klauss 97:8985817e8847 1185 }
klauss 97:8985817e8847 1186
klauss 97:8985817e8847 1187 int Sip::get_ext( void ){ return my_ext; }
klauss 97:8985817e8847 1188
klauss 97:8985817e8847 1189 int Sip::get_port( void ){ return my_port; }