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@100:09a23fcd3bdf, 2015-02-12 (annotated)

Committer:
klauss
Date:
Thu Feb 12 16:42:35 2015 +0000
Revision:
100:09a23fcd3bdf
Parent:
99:e80850c51106
Child:
104:62646ef786a3
begin the job

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, 0 );
klauss 0:4d17cd9c8f9d 6 sock.bind( this->my_port );
klauss 0:4d17cd9c8f9d 7 }
klauss 0:4d17cd9c8f9d 8
klauss 48:195c97f12e8e 9 void Sip::__end_sock__( void ){
klauss 0:4d17cd9c8f9d 10 sock.close();
klauss 0:4d17cd9c8f9d 11 }
klauss 0:4d17cd9c8f9d 12
klauss 48:195c97f12e8e 13 void Sip::__reconnect__( void ){
klauss 48:195c97f12e8e 14 sock.close();
klauss 48:195c97f12e8e 15 sock.init();
klauss 82:f55d13babca0 16 sock.bind( this->my_port );
klauss 48:195c97f12e8e 17 }
klauss 48:195c97f12e8e 18
klauss 0:4d17cd9c8f9d 19 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 20 this->id = id;
klauss 0:4d17cd9c8f9d 21 strncpy( this->server_ip, server_ip, 20 );
klauss 0:4d17cd9c8f9d 22 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 23 this->server_port = server_port;
klauss 28:94aec56c6329 24 strncpy( this->my_ip, my_ip, 20 );
klauss 0:4d17cd9c8f9d 25 this->my_ip[19] = 0;
klauss 0:4d17cd9c8f9d 26 this->my_port = my_port;
klauss 0:4d17cd9c8f9d 27 this->my_rtp_port = fill_random_rtp_port();
klauss 0:4d17cd9c8f9d 28 this->my_ext = my_ext;
klauss 0:4d17cd9c8f9d 29 itoa( this->my_ext, this->my_display, 10 );
klauss 0:4d17cd9c8f9d 30 this->peer_ext = peer_ext;
klauss 0:4d17cd9c8f9d 31
klauss 0:4d17cd9c8f9d 32 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 33 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 34 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 35 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 36 status = sip_idle;
klauss 0:4d17cd9c8f9d 37
klauss 0:4d17cd9c8f9d 38 __init_sock__();
klauss 81:3656f00ab3db 39 muted = false;
klauss 91:c2a86b1f8aaa 40
klauss 91:c2a86b1f8aaa 41 this->invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 42
klauss 91:c2a86b1f8aaa 43 call = NULL;
klauss 91:c2a86b1f8aaa 44
klauss 91:c2a86b1f8aaa 45 ok_sent = 0;
klauss 91:c2a86b1f8aaa 46 waiting = false;
klauss 91:c2a86b1f8aaa 47 length_muted = 0;
klauss 91:c2a86b1f8aaa 48 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 49
klauss 85:b6f2dc1d0f4f 50 sip_new_counter++;
klauss 0:4d17cd9c8f9d 51 }
klauss 29:7246460b73f8 52
klauss 29:7246460b73f8 53 Sip::Sip( int id, uint16_t my_port ){
klauss 29:7246460b73f8 54 FILE * fp = NULL;
klauss 29:7246460b73f8 55 char inner_tmp[ 20 ];
klauss 28:94aec56c6329 56
klauss 29:7246460b73f8 57 if( debug_sip ) debug_msg("Building SIP ext :: %d | Port :: %d", id, my_port );
klauss 27:98f824719d1c 58
klauss 29:7246460b73f8 59 this->id = id;
klauss 29:7246460b73f8 60
klauss 28:94aec56c6329 61 fp = fopen( "/qspi/serverip.txt", "r");
klauss 28:94aec56c6329 62 if( fp == NULL){
klauss 29:7246460b73f8 63 if( debug_sip ) debug_msg("Failed to open /qspi/serverip.txt" );
klauss 28:94aec56c6329 64 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 65 }else{
klauss 50:d9b6577a70f5 66 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 67 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 68 if( read > 0 ){
klauss 46:a670f187a704 69 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 70 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 71 tmp[ i ] = '\0';
klauss 46:a670f187a704 72 break;
klauss 46:a670f187a704 73 }
klauss 43:455522f98de5 74 strcpy( this->server_ip, tmp );
klauss 50:d9b6577a70f5 75 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 76 }else{
klauss 29:7246460b73f8 77 if( debug_sip ) debug_msg("Failed to read /qspi/serverip.txt" );
klauss 28:94aec56c6329 78 strncpy( this->server_ip, __SERVER_IP__, 20 );
klauss 28:94aec56c6329 79 }
klauss 28:94aec56c6329 80 }
klauss 28:94aec56c6329 81 fclose( fp );
klauss 50:d9b6577a70f5 82 this->server_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 83
klauss 28:94aec56c6329 84 fp = fopen( "/qspi/serverport.txt", "r");
klauss 28:94aec56c6329 85 if( fp == NULL ){
klauss 29:7246460b73f8 86 if( debug_sip ) debug_msg("Failed to open /qspi/serverport.txt" );
klauss 28:94aec56c6329 87 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 88 }else{
klauss 29:7246460b73f8 89 if( fread( (void *)inner_tmp, 1, 20, fp ) > 0 ){
klauss 29:7246460b73f8 90 server_port = atoi( inner_tmp );
klauss 29:7246460b73f8 91 if( debug_sip ) debug_msg("Objeto SIP fixado no server port %d", this->server_port );
klauss 28:94aec56c6329 92 }else{
klauss 29:7246460b73f8 93 if( debug_sip ) debug_msg("Failed to read /qspi/serverport.txt" );
klauss 28:94aec56c6329 94 this->server_port = __SERVER_PORT__;
klauss 28:94aec56c6329 95 }
klauss 28:94aec56c6329 96 }
klauss 28:94aec56c6329 97 fclose( fp );
klauss 28:94aec56c6329 98
klauss 28:94aec56c6329 99 fp = fopen( "/qspi/myip.txt", "r");
klauss 27:98f824719d1c 100 if (fp == NULL){
klauss 29:7246460b73f8 101 if( debug_sip ) debug_msg("Failed to open /qspi/myip.txt" );
klauss 27:98f824719d1c 102 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 103 }else{
klauss 50:d9b6577a70f5 104 char tmp[ 16 ] = "\0";
klauss 46:a670f187a704 105 int read = fread( tmp, 1, 15, fp );
klauss 46:a670f187a704 106 if( read > 0 ){
klauss 46:a670f187a704 107 for( int i = 0; i < read; i++ )
klauss 46:a670f187a704 108 if( tmp[ i ] == '\n' || tmp[ i ] == '\r' ){
klauss 46:a670f187a704 109 tmp[ i ] = '\0';
klauss 46:a670f187a704 110 break;
klauss 46:a670f187a704 111 }
klauss 43:455522f98de5 112 strcpy( this->my_ip, tmp );
klauss 50:d9b6577a70f5 113 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 114 }else{
klauss 29:7246460b73f8 115 if( debug_sip ) debug_msg("Failed to read /qspi/myip.txt" );
klauss 27:98f824719d1c 116 strncpy( this->my_ip, __MY_IP__, 20 );
klauss 27:98f824719d1c 117 }
klauss 27:98f824719d1c 118 }
klauss 27:98f824719d1c 119 fclose( fp );
klauss 46:a670f187a704 120
klauss 50:d9b6577a70f5 121 this->my_ip[ 15 ] = '\0';
klauss 28:94aec56c6329 122
klauss 28:94aec56c6329 123 this->my_port = my_port;
klauss 97:8985817e8847 124 if( debug_sip ) debug_msg("Fixado na porta %d", this->my_port );
klauss 97:8985817e8847 125
klauss 28:94aec56c6329 126 this->my_rtp_port = fill_random_rtp_port();
klauss 28:94aec56c6329 127 this->my_ext = id;
klauss 28:94aec56c6329 128 itoa( this->my_ext, this->my_display, 10 );
klauss 46:a670f187a704 129
klauss 28:94aec56c6329 130 fp = fopen( "/qspi/peerext.txt", "r");
klauss 29:7246460b73f8 131 if( fp == NULL ) {
klauss 29:7246460b73f8 132 if( debug_sip ) debug_msg("Failed to open /qspi/peerext.txt" );
klauss 28:94aec56c6329 133 this->peer_ext = __PEER_EXT__;
klauss 29:7246460b73f8 134 } else {
klauss 29:7246460b73f8 135 if( fread( (void *)inner_tmp, 1, 32, fp ) > 0 ) {
klauss 29:7246460b73f8 136 this->peer_ext = atoi( inner_tmp );
klauss 29:7246460b73f8 137 if( debug_sip ) debug_msg("Objeto SIP fixado no server ext %d", this->peer_ext );
klauss 29:7246460b73f8 138 } else {
klauss 29:7246460b73f8 139 if( debug_sip ) debug_msg("Failed to read /qspi/peerext.txt" );
klauss 28:94aec56c6329 140 this->peer_ext = __PEER_EXT__;
klauss 28:94aec56c6329 141 }
klauss 28:94aec56c6329 142 }
klauss 28:94aec56c6329 143 fclose( fp );
klauss 0:4d17cd9c8f9d 144 strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" );
klauss 0:4d17cd9c8f9d 145 strcpy( this->last_invite_tag, "" );
klauss 0:4d17cd9c8f9d 146 strcpy( this->last_invite_callid, "");
klauss 0:4d17cd9c8f9d 147 strcpy( this->SVNREV, "COLA" );
klauss 0:4d17cd9c8f9d 148 status = sip_idle;
klauss 0:4d17cd9c8f9d 149
klauss 0:4d17cd9c8f9d 150 __init_sock__();
klauss 81:3656f00ab3db 151 muted = false;
klauss 85:b6f2dc1d0f4f 152
klauss 91:c2a86b1f8aaa 153 invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 154 call = NULL;
klauss 91:c2a86b1f8aaa 155
klauss 91:c2a86b1f8aaa 156 ok_sent = 0;
klauss 91:c2a86b1f8aaa 157 waiting = false;
klauss 91:c2a86b1f8aaa 158 length_muted = 0;
klauss 91:c2a86b1f8aaa 159 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 160
klauss 85:b6f2dc1d0f4f 161 sip_new_counter++;
klauss 0:4d17cd9c8f9d 162 }
klauss 29:7246460b73f8 163
klauss 0:4d17cd9c8f9d 164 Sip::~Sip(){
klauss 0:4d17cd9c8f9d 165 __end_sock__();
klauss 85:b6f2dc1d0f4f 166 sip_delete_counter++;
klauss 0:4d17cd9c8f9d 167 }
klauss 0:4d17cd9c8f9d 168
klauss 78:1353744f01e1 169 int Sip::registry(){
klauss 0:4d17cd9c8f9d 170 build_registry_package( buffer );
klauss 81:3656f00ab3db 171
klauss 91:c2a86b1f8aaa 172 int sent = sock.sendTo( sip_server, buffer, strlen( buffer ) ); // > 400
klauss 91:c2a86b1f8aaa 173
klauss 100:09a23fcd3bdf 174 if( debug_sip ) send_msg("Registry ( %d, %d ) - Sent %i of %i bytes", this->my_ext, this->my_port , sent, strlen( buffer ) );
klauss 85:b6f2dc1d0f4f 175
klauss 92:92df17f538a8 176 if( sent != strlen( buffer ) ){
klauss 92:92df17f538a8 177 sip_socket_send_failure++;
klauss 92:92df17f538a8 178 }
klauss 92:92df17f538a8 179
klauss 91:c2a86b1f8aaa 180 return( sent );
klauss 0:4d17cd9c8f9d 181 }
klauss 0:4d17cd9c8f9d 182
klauss 0:4d17cd9c8f9d 183 VZ_call * Sip::invite(){
klauss 0:4d17cd9c8f9d 184 char callbox_string[ 32 ];
klauss 0:4d17cd9c8f9d 185 itoa( get_id(), callbox_string, 10 );
klauss 91:c2a86b1f8aaa 186
klauss 91:c2a86b1f8aaa 187 if( status == sip_on_call ) return call;
klauss 87:679ee0d594a9 188
klauss 91:c2a86b1f8aaa 189 else if( status == sip_idle ){
klauss 91:c2a86b1f8aaa 190 int cseq = 0;
klauss 91:c2a86b1f8aaa 191
klauss 91:c2a86b1f8aaa 192 call = NULL;
klauss 91:c2a86b1f8aaa 193
klauss 91:c2a86b1f8aaa 194 build_invite_package( buffer, callbox_string, &cseq );
klauss 91:c2a86b1f8aaa 195
klauss 91:c2a86b1f8aaa 196 this->invite_pkg_sent = 0;
klauss 91:c2a86b1f8aaa 197
klauss 91:c2a86b1f8aaa 198 do{
klauss 91:c2a86b1f8aaa 199 this->invite_pkg_sent = sock.sendTo( sip_server, buffer, strlen( buffer ) );
klauss 91:c2a86b1f8aaa 200 }while( this->invite_pkg_sent == 0 );
klauss 78:1353744f01e1 201
klauss 91:c2a86b1f8aaa 202 if( debug_invite ) debug_msg("Return value for invite pkg %d", invite_pkg_sent );
klauss 91:c2a86b1f8aaa 203
klauss 99:e80850c51106 204 invite_timer.stop();
klauss 99:e80850c51106 205 invite_timer.reset();
klauss 91:c2a86b1f8aaa 206 invite_timer.start();
klauss 91:c2a86b1f8aaa 207
klauss 91:c2a86b1f8aaa 208 set_status( status, sip_waiting_trying );
klauss 91:c2a86b1f8aaa 209
klauss 91:c2a86b1f8aaa 210 waiting = false;
klauss 91:c2a86b1f8aaa 211
klauss 91:c2a86b1f8aaa 212 ok_sent = 0;
klauss 91:c2a86b1f8aaa 213
klauss 91:c2a86b1f8aaa 214 length_muted = 0;
klauss 78:1353744f01e1 215 }
klauss 0:4d17cd9c8f9d 216
klauss 78:1353744f01e1 217 if( invite_timer.read() > __INVITE_MAX_WAITING_TIME__ ){
klauss 92:92df17f538a8 218 if( debug_invite == true ) debug_msg("Invite call timeout :(");
klauss 91:c2a86b1f8aaa 219
klauss 91:c2a86b1f8aaa 220 if( ( this->invite_pkg_sent == -1 ) || length_muted || ok_sent == -1 ){
klauss 81:3656f00ab3db 221 muted = true;
klauss 81:3656f00ab3db 222 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 223 ok_sent = 0;
klauss 81:3656f00ab3db 224 length_muted = 0;
klauss 81:3656f00ab3db 225 __reconnect__();
klauss 81:3656f00ab3db 226 }else{
klauss 81:3656f00ab3db 227 muted = false;
klauss 81:3656f00ab3db 228 }
klauss 81:3656f00ab3db 229
klauss 78:1353744f01e1 230 if( debug_invite ) debug_msg("Timeout do pedido");
klauss 78:1353744f01e1 231 invite_timer.stop();
klauss 78:1353744f01e1 232 invite_timer.reset();
klauss 81:3656f00ab3db 233 set_status( status, sip_denied );
klauss 78:1353744f01e1 234 send_bye();
klauss 91:c2a86b1f8aaa 235
klauss 91:c2a86b1f8aaa 236 //if( call != NULL ) delete( call );
klauss 91:c2a86b1f8aaa 237 call = NULL;
klauss 78:1353744f01e1 238 return( NULL );
klauss 78:1353744f01e1 239 }
klauss 77:e8c0253b57bc 240
klauss 91:c2a86b1f8aaa 241 if( waiting == true ){ return call; }
klauss 91:c2a86b1f8aaa 242
klauss 91:c2a86b1f8aaa 243 else return( NULL );
klauss 0:4d17cd9c8f9d 244 }
klauss 0:4d17cd9c8f9d 245
klauss 0:4d17cd9c8f9d 246 char * Sip::build_registry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 247 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 248 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 249 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 250 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 251 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 252 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 253 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 254 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 255 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 256 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 257 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 258 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 259 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 260 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 261 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 262 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 263 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 264 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 265 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 266 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 267 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 268 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 269 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 270 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 271 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 272 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 273 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 274 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 275 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 276 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 277 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 278 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 279 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 280 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 281 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 282 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 283 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 284 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 285 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 286 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 287 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 288 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 289 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 290 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 291 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 292 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 293 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 294 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 295 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 296 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 297 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 298 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 299
klauss 0:4d17cd9c8f9d 300 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 301 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 302 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 303 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 304 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 305 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 306 strcat( buffer, my_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 92:92df17f538a8 310 strcat( buffer, ">;expires=270" );
klauss 0:4d17cd9c8f9d 311 //itoa( 1200, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 312 //strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 313 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 314
klauss 0:4d17cd9c8f9d 315 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 316 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 317 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 318 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 319 strcat( buffer, "\r\n\r\n" );
klauss 89:0fe315117b00 320 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 321 return buffer;
klauss 0:4d17cd9c8f9d 322 }
klauss 0:4d17cd9c8f9d 323
klauss 0:4d17cd9c8f9d 324 char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){
klauss 0:4d17cd9c8f9d 325 char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ];
klauss 0:4d17cd9c8f9d 326 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 327 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 328 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 329 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 330 *cseq = get_cseq();
klauss 0:4d17cd9c8f9d 331 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 332 fill_random( tag,18 );
klauss 0:4d17cd9c8f9d 333 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 334
klauss 0:4d17cd9c8f9d 335 strcpy( last_invite_tag,tag );
klauss 0:4d17cd9c8f9d 336 strcpy( last_invite_callid, callid );
klauss 0:4d17cd9c8f9d 337
klauss 0:4d17cd9c8f9d 338 strcpy( header, "INVITE sip:" );
klauss 0:4d17cd9c8f9d 339 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 340 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 341 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 342 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 343 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 344 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 345 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 346 strcat( header, " SIP/" );
klauss 0:4d17cd9c8f9d 347 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 348 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 349 strcat( header, "." );
klauss 0:4d17cd9c8f9d 350 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 351 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 352 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 353 strcat( header, "Via: SIP/" );
klauss 0:4d17cd9c8f9d 354 itoa( 2, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 355 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 356 strcat( header, "." );
klauss 0:4d17cd9c8f9d 357 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 358 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 359 strcat( header, "/UDP" );
klauss 0:4d17cd9c8f9d 360 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 361 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 362 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 363 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 364 strcat( header, ";branch=" );
klauss 0:4d17cd9c8f9d 365 strcat( header, branch );
klauss 0:4d17cd9c8f9d 366 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 367 strcat( header, "From: " );
klauss 0:4d17cd9c8f9d 368 strcat( header, callbox_string );
klauss 0:4d17cd9c8f9d 369 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 370 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 371 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 372 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 373 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 374 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 375 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 376 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 377 strcat( header, ">;tag=" );
klauss 0:4d17cd9c8f9d 378 strcat( header, tag );
klauss 0:4d17cd9c8f9d 379 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 380 strcat( header, "To: <sip:" );
klauss 0:4d17cd9c8f9d 381 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 382 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 383 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 384 strcat( header, this->server_ip );
klauss 0:4d17cd9c8f9d 385 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 386 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 387 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 388 strcat( header, ">\r\n" );
klauss 0:4d17cd9c8f9d 389 strcat( header, "Call-ID: " );
klauss 0:4d17cd9c8f9d 390 strcat( header, callid );
klauss 0:4d17cd9c8f9d 391 strcat( header, "@" );
klauss 0:4d17cd9c8f9d 392 strcat( header, this->my_ip );
klauss 0:4d17cd9c8f9d 393 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 394 strcat( header, "CSeq: " );
klauss 0:4d17cd9c8f9d 395 itoa( *cseq, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 396 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 397 strcat( header, " INVITE\r\n" );
klauss 0:4d17cd9c8f9d 398 strcat( header, "Contact: " );
klauss 0:4d17cd9c8f9d 399 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 400 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 401 strcat( header, " <sip:" );
klauss 0:4d17cd9c8f9d 402 itoa( this->my_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->my_ip );
klauss 0:4d17cd9c8f9d 406 strcat( header, ":" );
klauss 0:4d17cd9c8f9d 407 itoa( this->my_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, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 411 itoa( 20, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 412 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 413 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 414 strcat( header, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 415 strcat( header, SVNREV );
klauss 0:4d17cd9c8f9d 416 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 417 strcat( header, "Expires: " );
klauss 0:4d17cd9c8f9d 418 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 419 strcat( header, itoa_buffer );
klauss 0:4d17cd9c8f9d 420 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 421 strcat( header, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 422 strcat( header, "\r\n" );
klauss 0:4d17cd9c8f9d 423 strcat( header, "Content-Type: application/sdp\r\n" );
klauss 100:09a23fcd3bdf 424 //header[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 425
klauss 0:4d17cd9c8f9d 426 strcpy( body, "v=0\r\n" );
klauss 0:4d17cd9c8f9d 427 strcat( body, "o=- " );
klauss 0:4d17cd9c8f9d 428 itoa( 7377, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 429 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 430 strcat( body, " " );
klauss 0:4d17cd9c8f9d 431 itoa( 18176, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 432 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 433 strcat( body, " IN IP" );
klauss 0:4d17cd9c8f9d 434 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 435 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 436 strcat( body, " " );
klauss 0:4d17cd9c8f9d 437 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 438 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 439 strcat( body, "s=-\r\n" );
klauss 0:4d17cd9c8f9d 440 strcat( body, "c=IN IP" );
klauss 0:4d17cd9c8f9d 441 itoa( 4, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 442 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 443 strcat( body, " " );
klauss 0:4d17cd9c8f9d 444 strcat( body, this->my_ip );
klauss 0:4d17cd9c8f9d 445 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 446 strcat( body, "t=" );
klauss 0:4d17cd9c8f9d 447 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 448 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 449 strcat( body, " " );
klauss 0:4d17cd9c8f9d 450 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 451 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 452 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 453 strcat( body, "m=audio " );
klauss 0:4d17cd9c8f9d 454 itoa( this->my_rtp_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 455 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 456 strcat( body, " RTP/AVP " );
klauss 0:4d17cd9c8f9d 457 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 458 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 459 strcat( body, " " );
klauss 0:4d17cd9c8f9d 460 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 461 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 462 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 463 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 464 itoa( 8, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 465 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 466 strcat( body, " PCMA/" );
klauss 0:4d17cd9c8f9d 467 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 468 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 469 strcat( body, "/" );
klauss 0:4d17cd9c8f9d 470 itoa( 1, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 471 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 472 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 473 strcat( body, "a=rtpmap:" );
klauss 0:4d17cd9c8f9d 474 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 475 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 476 strcat( body, " telephone-event/" );
klauss 0:4d17cd9c8f9d 477 itoa( 8000, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 478 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 479 strcat( body, "\r\n" );
klauss 0:4d17cd9c8f9d 480 strcat( body, "a=fmtp: " );
klauss 0:4d17cd9c8f9d 481 itoa( 101, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 482 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 483 strcat( body, " " );
klauss 0:4d17cd9c8f9d 484 itoa( 0, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 485 strcat( body, itoa_buffer );
klauss 0:4d17cd9c8f9d 486 strcat( body, "-" );
klauss 0:4d17cd9c8f9d 487 itoa( 11, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 488 strcat( body, itoa_buffer );
klauss 100:09a23fcd3bdf 489 //body[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 490
klauss 0:4d17cd9c8f9d 491 make_content_length( header, body, pkg );
klauss 0:4d17cd9c8f9d 492 return( pkg );
klauss 0:4d17cd9c8f9d 493 }
klauss 0:4d17cd9c8f9d 494
klauss 0:4d17cd9c8f9d 495 char * Sip::make_content_length( char * header, char * body, char * pkg ){
klauss 0:4d17cd9c8f9d 496 int size;
klauss 0:4d17cd9c8f9d 497 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 498 size = strlen( body );
klauss 0:4d17cd9c8f9d 499 strcpy( pkg, header );
klauss 0:4d17cd9c8f9d 500 strcat( pkg, "Content-Length: " );
klauss 0:4d17cd9c8f9d 501 itoa( size, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 502 strcat( pkg, itoa_buffer );
klauss 0:4d17cd9c8f9d 503 strcat( pkg, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 504 strcat( pkg, body );
klauss 89:0fe315117b00 505 //pkg[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 506 return pkg;
klauss 0:4d17cd9c8f9d 507 }
klauss 0:4d17cd9c8f9d 508
klauss 0:4d17cd9c8f9d 509 char * Sip::build_bye_package( char * buffer ){
klauss 0:4d17cd9c8f9d 510 char branch[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 511 char tag[SIP_MAXFIELDSIZE];
klauss 0:4d17cd9c8f9d 512 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 513 fill_random16h(branch);
klauss 0:4d17cd9c8f9d 514 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 515
klauss 0:4d17cd9c8f9d 516 strcpy( buffer, "BYE sip:" );
klauss 0:4d17cd9c8f9d 517 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 518 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 519 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 520 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 521 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 522 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 523 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 524 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 525 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 526 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 527 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 528 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 529 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 530 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 531 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 532 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 533 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 534 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 535 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 536 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 537 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 538 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 539 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 540 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 541 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 542 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 543 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 544 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 545 strcat( buffer, last_invite_tag );
klauss 0:4d17cd9c8f9d 546 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 547 strcat( buffer, "To: <sip:" );
klauss 0:4d17cd9c8f9d 548 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 549 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 550 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 551 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 552 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 553 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 554 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 555 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 556 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 557 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 558 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 559 strcat( buffer, last_invite_callid );
klauss 0:4d17cd9c8f9d 560 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 561 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 562 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 563 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 564 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 565 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 566 strcat( buffer, " BYE\r\n" );
klauss 0:4d17cd9c8f9d 567 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 568 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 569 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 570 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 571 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 0:4d17cd9c8f9d 572 return( buffer );
klauss 0:4d17cd9c8f9d 573 }
klauss 0:4d17cd9c8f9d 574 char * Sip::build_ack_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 575 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 576 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 577 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 578 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 579 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 580 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 581 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 582 // FIXME confirmar se nao preciso converter todos os ints com itoa
klauss 0:4d17cd9c8f9d 583 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 584 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 585 return NULL;
klauss 0:4d17cd9c8f9d 586 }
klauss 0:4d17cd9c8f9d 587 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 588 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 589 return NULL;
klauss 0:4d17cd9c8f9d 590 }
klauss 0:4d17cd9c8f9d 591 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 592 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 593 return NULL;
klauss 0:4d17cd9c8f9d 594 }
klauss 0:4d17cd9c8f9d 595 decode_branch( orig, branch );
klauss 0:4d17cd9c8f9d 596 decode_cseq( orig, cseq );
klauss 0:4d17cd9c8f9d 597
klauss 0:4d17cd9c8f9d 598 if( strlen( via ) > 6 ) {
klauss 0:4d17cd9c8f9d 599 if( strcasecmp( ";rport", via+strlen( via )-6) == 0) {
klauss 0:4d17cd9c8f9d 600 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 601 }
klauss 0:4d17cd9c8f9d 602 }
klauss 0:4d17cd9c8f9d 603 strcpy( buffer, "ACK sip:" );
klauss 0:4d17cd9c8f9d 604 itoa( this->peer_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 605 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 606 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 607 strcat( buffer, this->server_ip );
klauss 0:4d17cd9c8f9d 608 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 609 itoa( this->server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 610 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 611 strcat( buffer, " SIP/2.0\r\n" );
klauss 0:4d17cd9c8f9d 612 strcat( buffer, "Via: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 613 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 614 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 615 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 616 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 617 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 618 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 619 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 620 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 621 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 622 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 623 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 624 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 625 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 626 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 627 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 628 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 629 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 630 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 631 strcat( buffer, " ACK\r\n" );
klauss 0:4d17cd9c8f9d 632 strcat( buffer, "Max-Forwards: 70\r\n" );
klauss 0:4d17cd9c8f9d 633 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 634 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 635 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 636 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 637 itoa( this->my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 638 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 639 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 640 strcat( buffer, this->my_ip );
klauss 0:4d17cd9c8f9d 641 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 642 itoa( this->my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 643 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 644 strcat( buffer, ">\r\n" );
klauss 0:4d17cd9c8f9d 645 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 646 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 647 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 648 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 89:0fe315117b00 649 //buffer[SIP_MAXMSGSIZE-1] = 0;
klauss 0:4d17cd9c8f9d 650 return( buffer );
klauss 0:4d17cd9c8f9d 651 }
klauss 0:4d17cd9c8f9d 652
klauss 0:4d17cd9c8f9d 653 int Sip::get_return_code( char * buffer ){
klauss 0:4d17cd9c8f9d 654 char a[32];
klauss 0:4d17cd9c8f9d 655 int i = 0, j;
klauss 0:4d17cd9c8f9d 656 if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0;
klauss 0:4d17cd9c8f9d 657 if( strlen( buffer ) < 32) return 0;
klauss 0:4d17cd9c8f9d 658 strncpy( a, buffer, 31 );
klauss 0:4d17cd9c8f9d 659 a[ 31 ] = 0;
klauss 0:4d17cd9c8f9d 660 while ( a[ i ] > ' ') i++;
klauss 0:4d17cd9c8f9d 661 j = i+i;
klauss 0:4d17cd9c8f9d 662 while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++;
klauss 0:4d17cd9c8f9d 663 a[ j ] = 0;
klauss 0:4d17cd9c8f9d 664 return atoi( a + i + 1 );
klauss 0:4d17cd9c8f9d 665 }
klauss 0:4d17cd9c8f9d 666
klauss 0:4d17cd9c8f9d 667 char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){
klauss 0:4d17cd9c8f9d 668 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 669 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 670 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 671 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 672 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 673
klauss 0:4d17cd9c8f9d 674 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 675 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 676 return NULL;
klauss 0:4d17cd9c8f9d 677 }
klauss 0:4d17cd9c8f9d 678 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 679 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 680 return NULL;
klauss 0:4d17cd9c8f9d 681 }
klauss 0:4d17cd9c8f9d 682 if( decode_gettag( orig, "call-id: ", callid ) == 0) {
klauss 0:4d17cd9c8f9d 683 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 684 return NULL;
klauss 0:4d17cd9c8f9d 685 }
klauss 0:4d17cd9c8f9d 686 if( decode_gettag( orig, "cseq: ", cseq ) == 0) {
klauss 0:4d17cd9c8f9d 687 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 688 return NULL;
klauss 0:4d17cd9c8f9d 689 }
klauss 0:4d17cd9c8f9d 690 if( decode_gettag( orig, "via: ", via ) == 0) {
klauss 0:4d17cd9c8f9d 691 buffer[0] = 0;
klauss 0:4d17cd9c8f9d 692 return NULL;
klauss 0:4d17cd9c8f9d 693 }
klauss 0:4d17cd9c8f9d 694
klauss 0:4d17cd9c8f9d 695 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 696 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 697 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 698 }
klauss 0:4d17cd9c8f9d 699 }
klauss 0:4d17cd9c8f9d 700
klauss 0:4d17cd9c8f9d 701 strcpy( buffer, "SIP/2.0 " );
klauss 0:4d17cd9c8f9d 702 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 703 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 704 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 705 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 706 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 707 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 708 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 709 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 710 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 711 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 712 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 713 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 714 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 715 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 716 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 717 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 718 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 719 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 720 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 721 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 722 strcat( buffer, "Content-Length: 0\r\n\r\n" );
klauss 89:0fe315117b00 723 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 724 return( buffer );
klauss 0:4d17cd9c8f9d 725 }
klauss 0:4d17cd9c8f9d 726 char * Sip::build_trying_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 727 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 728 build_generic_reply_package( buffer, orig, "100 Trying" );
klauss 0:4d17cd9c8f9d 729 return( buffer );
klauss 0:4d17cd9c8f9d 730 }
klauss 0:4d17cd9c8f9d 731
klauss 0:4d17cd9c8f9d 732 char * Sip::build_busy_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 733 // FIXME trocar 100 para itoa( 100 ... )
klauss 0:4d17cd9c8f9d 734 build_generic_reply_package( buffer, orig, "486 Busy Here");
klauss 0:4d17cd9c8f9d 735 return( buffer );
klauss 0:4d17cd9c8f9d 736 }
klauss 0:4d17cd9c8f9d 737 char * Sip::build_reply_package( char * buffer, unsigned char * orig ){
klauss 0:4d17cd9c8f9d 738 char to[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 739 char from[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 740 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 741 char cseq[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 742 char via[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 743 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 744
klauss 0:4d17cd9c8f9d 745 if( decode_gettag( orig, "to: ", to ) == 0) {
klauss 0:4d17cd9c8f9d 746 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 747 return NULL;
klauss 0:4d17cd9c8f9d 748 }
klauss 0:4d17cd9c8f9d 749 if( decode_gettag( orig, "from: ", from ) == 0) {
klauss 0:4d17cd9c8f9d 750 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 751 return NULL;
klauss 0:4d17cd9c8f9d 752 }
klauss 0:4d17cd9c8f9d 753 if( decode_gettag( orig, "call-id: ", callid ) == 0 ) {
klauss 0:4d17cd9c8f9d 754 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 755 return NULL;
klauss 0:4d17cd9c8f9d 756 }
klauss 0:4d17cd9c8f9d 757 if( decode_gettag( orig, "cseq: ", cseq) == 0 ) {
klauss 0:4d17cd9c8f9d 758 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 759 return NULL;
klauss 0:4d17cd9c8f9d 760 }
klauss 0:4d17cd9c8f9d 761 if( decode_gettag( orig, "via: ", via) == 0 ) {
klauss 0:4d17cd9c8f9d 762 buffer[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 763 return NULL;
klauss 0:4d17cd9c8f9d 764 }
klauss 0:4d17cd9c8f9d 765
klauss 0:4d17cd9c8f9d 766 if (strlen(via) > 6) {
klauss 0:4d17cd9c8f9d 767 if (strcasecmp(";rport",via+strlen(via)-6)==0) {
klauss 0:4d17cd9c8f9d 768 via[strlen(via)-6] = 0;
klauss 0:4d17cd9c8f9d 769 }
klauss 0:4d17cd9c8f9d 770 }
klauss 0:4d17cd9c8f9d 771 fill_random(tag,18);
klauss 0:4d17cd9c8f9d 772
klauss 0:4d17cd9c8f9d 773 strcpy( buffer, "SIP/2.0 200 OK\r\n" );
klauss 0:4d17cd9c8f9d 774 strcat( buffer, "To: " );
klauss 0:4d17cd9c8f9d 775 strcat( buffer, to );
klauss 0:4d17cd9c8f9d 776 strcat( buffer, ";tag=" );
klauss 0:4d17cd9c8f9d 777 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 778 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 779
klauss 0:4d17cd9c8f9d 780 strcat( buffer, "From: " );
klauss 0:4d17cd9c8f9d 781 strcat( buffer, from );
klauss 0:4d17cd9c8f9d 782 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 783
klauss 0:4d17cd9c8f9d 784 strcat( buffer, "Call-ID: " );
klauss 0:4d17cd9c8f9d 785 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 786 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 787
klauss 0:4d17cd9c8f9d 788 strcat( buffer, "CSeq: " );
klauss 0:4d17cd9c8f9d 789 strcat( buffer, cseq );
klauss 0:4d17cd9c8f9d 790 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 791
klauss 0:4d17cd9c8f9d 792 strcat( buffer, "Via: " );
klauss 0:4d17cd9c8f9d 793 strcat( buffer, via );
klauss 0:4d17cd9c8f9d 794 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 795
klauss 0:4d17cd9c8f9d 796 strcat( buffer, "Server: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 797 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 798 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 799 strcat( buffer, "Content-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 800 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 801 strcat( buffer, "\r\n\r\n" );
klauss 0:4d17cd9c8f9d 802
klauss 89:0fe315117b00 803 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 804 return( buffer );
klauss 0:4d17cd9c8f9d 805 }
klauss 0:4d17cd9c8f9d 806 char * Sip::fill_random16h(char * buffer ){
klauss 0:4d17cd9c8f9d 807 fill_random( buffer, 16 );
klauss 0:4d17cd9c8f9d 808 buffer[ 7 ] = '-';
klauss 0:4d17cd9c8f9d 809 return( buffer );
klauss 0:4d17cd9c8f9d 810 }
klauss 0:4d17cd9c8f9d 811
klauss 0:4d17cd9c8f9d 812 char * Sip::fill_random( char * buffer, int size ){
klauss 0:4d17cd9c8f9d 813 static uint16_t seed = time( NULL );
klauss 0:4d17cd9c8f9d 814 seed += 1;
klauss 0:4d17cd9c8f9d 815 srand( seed );
klauss 0:4d17cd9c8f9d 816
klauss 0:4d17cd9c8f9d 817 int i;
klauss 100:09a23fcd3bdf 818 for( i = 0; i < size - 1; i++ ) {
klauss 0:4d17cd9c8f9d 819 buffer[ i ] = fill_random_aux[ rand() & 0x3f ];
klauss 0:4d17cd9c8f9d 820 }
klauss 100:09a23fcd3bdf 821
klauss 100:09a23fcd3bdf 822 buffer[ size - 1 ] = 0;
klauss 0:4d17cd9c8f9d 823 return( buffer );
klauss 0:4d17cd9c8f9d 824 }
klauss 0:4d17cd9c8f9d 825
klauss 0:4d17cd9c8f9d 826 int Sip::get_cseq( void ){
klauss 0:4d17cd9c8f9d 827 static unsigned int cseq = 0;
klauss 0:4d17cd9c8f9d 828 if( cseq == 0 ) {
klauss 0:4d17cd9c8f9d 829 /* initial value, random number */
klauss 0:4d17cd9c8f9d 830 cseq = rand();
klauss 0:4d17cd9c8f9d 831 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 832 }
klauss 0:4d17cd9c8f9d 833 cseq++;
klauss 0:4d17cd9c8f9d 834 cseq &= 0x7fff;
klauss 0:4d17cd9c8f9d 835 if( cseq == 0 ) cseq++;
klauss 0:4d17cd9c8f9d 836 return cseq;
klauss 0:4d17cd9c8f9d 837 }
klauss 0:4d17cd9c8f9d 838
klauss 0:4d17cd9c8f9d 839 char * Sip::decode_cseq( unsigned char * package, char * cseq ){
klauss 0:4d17cd9c8f9d 840 char pkg[ 2048 ], cs[ 2048 ];
klauss 0:4d17cd9c8f9d 841 if( decode_gettag( package, "cseq: ", pkg ) != 0) {
klauss 0:4d17cd9c8f9d 842 int i = 0;
klauss 0:4d17cd9c8f9d 843 strcpy( cs, pkg );
klauss 0:4d17cd9c8f9d 844 while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++;
klauss 0:4d17cd9c8f9d 845 cs[ i ] = 0;
klauss 0:4d17cd9c8f9d 846 strcpy( cseq, cs );
klauss 0:4d17cd9c8f9d 847 } else {
klauss 0:4d17cd9c8f9d 848 cseq[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 849 }
klauss 0:4d17cd9c8f9d 850 return( cseq );
klauss 0:4d17cd9c8f9d 851 }
klauss 0:4d17cd9c8f9d 852
klauss 0:4d17cd9c8f9d 853 char * Sip::decode_branch( unsigned char * package, char * branch ){
klauss 0:4d17cd9c8f9d 854 char pkg[ 2048 ];
klauss 0:4d17cd9c8f9d 855 if( decode_gettag( package, "branch=", pkg ) != 0 ) {
klauss 0:4d17cd9c8f9d 856 int i = 0;
klauss 0:4d17cd9c8f9d 857 strcpy( branch, pkg );
klauss 0:4d17cd9c8f9d 858 while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++;
klauss 0:4d17cd9c8f9d 859 branch[ i ] = 0;
klauss 0:4d17cd9c8f9d 860 } else {
klauss 0:4d17cd9c8f9d 861 branch[ 0 ] = 0;
klauss 0:4d17cd9c8f9d 862 }
klauss 0:4d17cd9c8f9d 863 return( branch );
klauss 0:4d17cd9c8f9d 864 }
klauss 0:4d17cd9c8f9d 865 int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){
klauss 0:4d17cd9c8f9d 866 int size, i, cmpsize;
klauss 0:4d17cd9c8f9d 867 cmpsize = strlen( tag );
klauss 0:4d17cd9c8f9d 868 size = strlen( ( char * )package )-cmpsize;
klauss 0:4d17cd9c8f9d 869 for ( i=0; i<size; i++) {
klauss 0:4d17cd9c8f9d 870 if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) {
klauss 0:4d17cd9c8f9d 871 char * s;
klauss 0:4d17cd9c8f9d 872 s = (char*)package+i+cmpsize;
klauss 0:4d17cd9c8f9d 873 register int j = 0;
klauss 0:4d17cd9c8f9d 874 while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++;
klauss 0:4d17cd9c8f9d 875 strncpy( out, s, j ); // copy string to output
klauss 0:4d17cd9c8f9d 876 out[ j ] = 0; // terminate string
klauss 0:4d17cd9c8f9d 877 return 1; // found
klauss 0:4d17cd9c8f9d 878 }
klauss 0:4d17cd9c8f9d 879 }
klauss 0:4d17cd9c8f9d 880 return 0; // not found
klauss 0:4d17cd9c8f9d 881 }
klauss 0:4d17cd9c8f9d 882
klauss 0:4d17cd9c8f9d 883 int Sip::get_id( void ){
klauss 0:4d17cd9c8f9d 884 return this->id;
klauss 0:4d17cd9c8f9d 885 }
klauss 0:4d17cd9c8f9d 886 int Sip::get_my_rtp_port( void ){
klauss 0:4d17cd9c8f9d 887 return this->my_rtp_port;
klauss 0:4d17cd9c8f9d 888 }
klauss 0:4d17cd9c8f9d 889 inline int Sip::fill_random_rtp_port(){
klauss 0:4d17cd9c8f9d 890 // o range [ 16384 - 32767 ] eh configuravel no server
klauss 4:de46f0d9b14d 891 return ( ( this->my_ext + 16384 ) );
klauss 0:4d17cd9c8f9d 892 }
klauss 0:4d17cd9c8f9d 893
klauss 0:4d17cd9c8f9d 894 void Sip::change_sip_server(){
klauss 0:4d17cd9c8f9d 895 // just in case sip server don't answer, invite another server
klauss 0:4d17cd9c8f9d 896 // mudar para os sets
klauss 0:4d17cd9c8f9d 897 set_server_ip( get_next_server_ip( this->buffer) );
klauss 0:4d17cd9c8f9d 898 set_server_ext( get_next_server_ext() );
klauss 0:4d17cd9c8f9d 899 set_server_port( get_next_server_port() );
klauss 0:4d17cd9c8f9d 900 registry();
klauss 0:4d17cd9c8f9d 901 }
klauss 0:4d17cd9c8f9d 902
klauss 0:4d17cd9c8f9d 903 char * Sip::get_next_server_ip( char * server_ip ){
klauss 0:4d17cd9c8f9d 904 strcpy( server_ip, this->server_ip );
klauss 0:4d17cd9c8f9d 905 return server_ip;
klauss 0:4d17cd9c8f9d 906 }
klauss 0:4d17cd9c8f9d 907 int Sip::get_next_server_port(){
klauss 0:4d17cd9c8f9d 908 return this->server_port;
klauss 0:4d17cd9c8f9d 909 }
klauss 0:4d17cd9c8f9d 910 int Sip::get_next_server_ext(){
klauss 0:4d17cd9c8f9d 911 return this->peer_ext;
klauss 0:4d17cd9c8f9d 912 }
klauss 0:4d17cd9c8f9d 913 void Sip::set_server_port( int new_server_port ){
klauss 0:4d17cd9c8f9d 914 this->server_port = new_server_port;
klauss 0:4d17cd9c8f9d 915 }
klauss 0:4d17cd9c8f9d 916 void Sip::set_server_ext( int new_server_ext ){
klauss 0:4d17cd9c8f9d 917 this->peer_ext = new_server_ext;
klauss 0:4d17cd9c8f9d 918 }
klauss 0:4d17cd9c8f9d 919 void Sip::set_server_ip( char * new_server_ip ){
klauss 0:4d17cd9c8f9d 920 strcpy( this->server_ip, new_server_ip );
klauss 0:4d17cd9c8f9d 921 this->server_ip[19] = 0;
klauss 0:4d17cd9c8f9d 922 }
klauss 0:4d17cd9c8f9d 923
klauss 0:4d17cd9c8f9d 924 /* Retorna
klauss 0:4d17cd9c8f9d 925 = 0 :: ok
klauss 0:4d17cd9c8f9d 926 < 0 :: tive problemas
klauss 0:4d17cd9c8f9d 927 > 0 :: devo remover essa call do vetor de calls
klauss 0:4d17cd9c8f9d 928 */
klauss 0:4d17cd9c8f9d 929 int Sip::listen_SIP_server( void ){
klauss 91:c2a86b1f8aaa 930 int ret = listen_SIP_server_return;
klauss 91:c2a86b1f8aaa 931 listen_SIP_server_return = 0;
klauss 91:c2a86b1f8aaa 932 return ret;
klauss 0:4d17cd9c8f9d 933 }
klauss 0:4d17cd9c8f9d 934
klauss 0:4d17cd9c8f9d 935 void Sip::set_ext( int ext ){
klauss 0:4d17cd9c8f9d 936 my_ext = ext;
klauss 0:4d17cd9c8f9d 937 }
klauss 0:4d17cd9c8f9d 938
klauss 0:4d17cd9c8f9d 939 void Sip::set_port( int port ){
klauss 0:4d17cd9c8f9d 940 my_port = port;
klauss 0:4d17cd9c8f9d 941 }
klauss 0:4d17cd9c8f9d 942
klauss 0:4d17cd9c8f9d 943 void Sip::send_bye( void ){
klauss 91:c2a86b1f8aaa 944
klauss 91:c2a86b1f8aaa 945 int ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), strlen( this->buffer ) );
klauss 91:c2a86b1f8aaa 946
klauss 91:c2a86b1f8aaa 947 if( debug_sip ) send_msg( "sizeof( bye pkg ) :: %d", strlen( buffer ) );
klauss 81:3656f00ab3db 948
klauss 81:3656f00ab3db 949 if( ret == -1 ){
klauss 81:3656f00ab3db 950 muted = true;
klauss 81:3656f00ab3db 951 }else{
klauss 81:3656f00ab3db 952 muted = false;
klauss 81:3656f00ab3db 953 }
klauss 0:4d17cd9c8f9d 954 }
klauss 0:4d17cd9c8f9d 955
klauss 0:4d17cd9c8f9d 956 void Sip::send_unregistry_pkg(){
klauss 0:4d17cd9c8f9d 957 build_unregistry_package( this->buffer );
klauss 91:c2a86b1f8aaa 958
klauss 81:3656f00ab3db 959 int ret = 0;
klauss 91:c2a86b1f8aaa 960
klauss 91:c2a86b1f8aaa 961 ret = sock.sendTo( sip_server, build_bye_package( this->buffer ), strlen( this->buffer ) );
klauss 91:c2a86b1f8aaa 962 if( debug_sip ) send_msg("sizeof( unregistry_pkg ) :: %d", strlen( buffer ) );
klauss 81:3656f00ab3db 963
klauss 81:3656f00ab3db 964 if( ret == -1 ){
klauss 81:3656f00ab3db 965 muted = true;
klauss 81:3656f00ab3db 966 }else{
klauss 81:3656f00ab3db 967 muted = false;
klauss 81:3656f00ab3db 968 }
klauss 0:4d17cd9c8f9d 969 }
klauss 0:4d17cd9c8f9d 970
klauss 0:4d17cd9c8f9d 971 char * Sip::build_unregistry_package( char * buffer ){
klauss 0:4d17cd9c8f9d 972 char branch[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 973 char tag[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 974 char callid[ SIP_MAXFIELDSIZE ];
klauss 0:4d17cd9c8f9d 975 fill_random16h( branch );
klauss 0:4d17cd9c8f9d 976 fill_random( tag, 18 );
klauss 0:4d17cd9c8f9d 977 fill_random16h( callid );
klauss 0:4d17cd9c8f9d 978 char itoa_buffer[ 65 ];
klauss 0:4d17cd9c8f9d 979 strcpy( buffer, "REGISTER sip:" );
klauss 0:4d17cd9c8f9d 980 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 981 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 982 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 983 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 984 strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " );
klauss 0:4d17cd9c8f9d 985 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 986 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 987 itoa( my_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 988 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 989 strcat( buffer, ";branch=" );
klauss 0:4d17cd9c8f9d 990 strcat( buffer, branch );
klauss 0:4d17cd9c8f9d 991 strcat( buffer, "\r\nFrom: " );
klauss 0:4d17cd9c8f9d 992 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 993 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 994 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 995 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 996 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 997 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 998 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 999 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1000 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1001 strcat( buffer, ">;tag=" );
klauss 0:4d17cd9c8f9d 1002 strcat( buffer, tag );
klauss 0:4d17cd9c8f9d 1003 strcat( buffer, "\r\nTo: " );
klauss 0:4d17cd9c8f9d 1004 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1005 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1006 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1007 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1008 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1009 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1010 strcat( buffer, server_ip );
klauss 0:4d17cd9c8f9d 1011 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1012 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1013 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1014 strcat( buffer, ">\r\nCall-ID: " );
klauss 0:4d17cd9c8f9d 1015 strcat( buffer, callid );
klauss 0:4d17cd9c8f9d 1016 strcat( buffer, "\r\nCSeq: " );
klauss 0:4d17cd9c8f9d 1017 itoa( get_cseq(), itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1018 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1019 strcat( buffer, " REGISTER\r\n" );
klauss 0:4d17cd9c8f9d 1020 strcat( buffer, "Max-Forwards: " );
klauss 0:4d17cd9c8f9d 1021 itoa( 70, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1022 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1023 strcat( buffer, "\r\n" );
klauss 0:4d17cd9c8f9d 1024
klauss 0:4d17cd9c8f9d 1025 strcat( buffer, "Contact: " );
klauss 0:4d17cd9c8f9d 1026 itoa( my_ext, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1027 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1028 strcat( buffer, " <sip:" );
klauss 0:4d17cd9c8f9d 1029 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1030 strcat( buffer, "@" );
klauss 0:4d17cd9c8f9d 1031 strcat( buffer, my_ip );
klauss 0:4d17cd9c8f9d 1032 strcat( buffer, ":" );
klauss 0:4d17cd9c8f9d 1033 itoa( server_port, itoa_buffer, 10 );
klauss 0:4d17cd9c8f9d 1034 strcat( buffer, itoa_buffer );
klauss 0:4d17cd9c8f9d 1035 strcat( buffer, ">;expires=0\r\n" );
klauss 0:4d17cd9c8f9d 1036 strcat( buffer, "User-Agent: VZtech/pabxdriver-" );
klauss 0:4d17cd9c8f9d 1037 strcat( buffer, SVNREV );
klauss 0:4d17cd9c8f9d 1038 strcat( buffer, "\r\nContent-Length: 0\r\n" );
klauss 0:4d17cd9c8f9d 1039 strcat( buffer, SIP_ALLOW );
klauss 0:4d17cd9c8f9d 1040 strcat( buffer, "\r\n\r\n" );
klauss 89:0fe315117b00 1041 //buffer[ SIP_MAXMSGSIZE - 1 ] = 0;
klauss 0:4d17cd9c8f9d 1042 return buffer;
klauss 78:1353744f01e1 1043 }
klauss 78:1353744f01e1 1044
klauss 78:1353744f01e1 1045 int Sip::get_status( void ){
klauss 78:1353744f01e1 1046 return this->status;
klauss 78:1353744f01e1 1047 }
klauss 78:1353744f01e1 1048
klauss 78:1353744f01e1 1049 void Sip::sip_set_status( uint8_t status ){
klauss 78:1353744f01e1 1050 this->status = status;
klauss 81:3656f00ab3db 1051 }
klauss 81:3656f00ab3db 1052
klauss 81:3656f00ab3db 1053 void Sip::sip_check_muted( void ){
klauss 81:3656f00ab3db 1054 if( muted == true ) __reconnect__();
klauss 81:3656f00ab3db 1055 if( debug_muted ) send_msg("For some reason sip muted, reconnected");
klauss 89:0fe315117b00 1056 }
klauss 89:0fe315117b00 1057
klauss 89:0fe315117b00 1058 int Sip::get_socket_fd( void ){
klauss 89:0fe315117b00 1059 return sock.get_fd();
klauss 89:0fe315117b00 1060 }
klauss 89:0fe315117b00 1061
klauss 91:c2a86b1f8aaa 1062 int Sip::udp_incomming_pkg( void ){
klauss 91:c2a86b1f8aaa 1063 Endpoint from;
klauss 91:c2a86b1f8aaa 1064
klauss 91:c2a86b1f8aaa 1065 int length = sock.receiveFrom( from, buffer, sizeof( buffer ) );
klauss 91:c2a86b1f8aaa 1066
klauss 91:c2a86b1f8aaa 1067 if( memcmp( ( ( u8_t * )( &(from._remoteHost) ) ) + 2, ( ( u8_t * )( &(sip_server._remoteHost) ) ) + 2, 6 ) != 0 ) return 0;
klauss 91:c2a86b1f8aaa 1068
klauss 91:c2a86b1f8aaa 1069 if( length == -1 ){ length_muted++; }
klauss 91:c2a86b1f8aaa 1070
klauss 91:c2a86b1f8aaa 1071 if( length > 0 ){
klauss 91:c2a86b1f8aaa 1072 if( sizeof( buffer ) > length ) buffer[ length ] = 0;
klauss 91:c2a86b1f8aaa 1073
klauss 91:c2a86b1f8aaa 1074 int sip_response = -1;
klauss 91:c2a86b1f8aaa 1075
klauss 91:c2a86b1f8aaa 1076 // faster than atoi() (:
klauss 91:c2a86b1f8aaa 1077 if( buffer[ 7 ] == ' ' || buffer[ 11 ] == ' ' ){
klauss 91:c2a86b1f8aaa 1078 sip_response = ( buffer[ 8 ] - '0' ) * 100 + ( buffer[ 9 ] - '0' ) * 10 + ( buffer[ 10 ] - '0' );
klauss 91:c2a86b1f8aaa 1079 }
klauss 91:c2a86b1f8aaa 1080
klauss 91:c2a86b1f8aaa 1081 if( ( status == sip_trying ) || ( status == sip_ringing ) || ( status == sip_waiting_trying ) ){
klauss 91:c2a86b1f8aaa 1082 //if( !( strncasecmp( buffer + 7, " 200 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1083 if( sip_response == 200 ){ // Ok
klauss 91:c2a86b1f8aaa 1084 char *ref = strstr( buffer, "audio" );
klauss 91:c2a86b1f8aaa 1085 if( debug_invite ) debug_msg("ok");
klauss 91:c2a86b1f8aaa 1086 if( ref != NULL ){
klauss 91:c2a86b1f8aaa 1087 ref += 6; // audio
klauss 91:c2a86b1f8aaa 1088 ref = strtok( ref, " ");
klauss 91:c2a86b1f8aaa 1089 if( call == NULL ){
klauss 91:c2a86b1f8aaa 1090 call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 91:c2a86b1f8aaa 1091 if( call == NULL ) memory_is_over = true;
klauss 91:c2a86b1f8aaa 1092 }
klauss 91:c2a86b1f8aaa 1093 char ans[ 1024 ];
klauss 91:c2a86b1f8aaa 1094 build_ack_package( ans, ( unsigned char *)buffer );
klauss 91:c2a86b1f8aaa 1095
klauss 91:c2a86b1f8aaa 1096 do{
klauss 91:c2a86b1f8aaa 1097 //ok_sent = sock.sendTo( sip_server, ans, sizeof( ans ) );
klauss 91:c2a86b1f8aaa 1098 ok_sent = sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 91:c2a86b1f8aaa 1099 }while( ok_sent == 0 );
klauss 91:c2a86b1f8aaa 1100
klauss 91:c2a86b1f8aaa 1101 if( debug_invite ) debug_msg("Call alocada -- Sip::status::%d :: ", status );
klauss 91:c2a86b1f8aaa 1102 set_status( status, sip_on_call );
klauss 91:c2a86b1f8aaa 1103 }
klauss 91:c2a86b1f8aaa 1104 }
klauss 91:c2a86b1f8aaa 1105 }
klauss 91:c2a86b1f8aaa 1106 if( ( status == sip_trying ) || ( status == sip_ringing ) ){
klauss 91:c2a86b1f8aaa 1107 //if( !( strncmp( buffer + 7, " 4", 2 ) ) ){
klauss 91:c2a86b1f8aaa 1108 if( sip_response >= 400 && sip_response < 700 ){
klauss 91:c2a86b1f8aaa 1109 if( debug_invite ) {
klauss 91:c2a86b1f8aaa 1110 buffer[ 11 ] = 0;
klauss 97:8985817e8847 1111 if( debug_invite ) debug_msg("Busy Here :: %s", buffer + 8 );
klauss 91:c2a86b1f8aaa 1112 }
klauss 91:c2a86b1f8aaa 1113 send_bye();
klauss 91:c2a86b1f8aaa 1114 //if( call != NULL ) delete( call );
klauss 91:c2a86b1f8aaa 1115 set_status( status, sip_busy );
klauss 91:c2a86b1f8aaa 1116 return( NULL );
klauss 91:c2a86b1f8aaa 1117 }else //if( !( strncasecmp( buffer + 7, " 183 ", 5 ) ) ){ // Session in Progress
klauss 91:c2a86b1f8aaa 1118 if( sip_response == 183 ){
klauss 91:c2a86b1f8aaa 1119 char *ref = strstr( buffer, "audio" );
klauss 91:c2a86b1f8aaa 1120 if( ref != NULL ){
klauss 91:c2a86b1f8aaa 1121 ref += 6; // strlen( "audio" ) == 6
klauss 91:c2a86b1f8aaa 1122 ref = strtok( ref, " ");
klauss 91:c2a86b1f8aaa 1123 if( call == NULL ){
klauss 91:c2a86b1f8aaa 1124 this->call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) );
klauss 91:c2a86b1f8aaa 1125 if( call == NULL ) memory_is_over = true;
klauss 91:c2a86b1f8aaa 1126 }
klauss 91:c2a86b1f8aaa 1127 waiting = true;
klauss 91:c2a86b1f8aaa 1128 }
klauss 91:c2a86b1f8aaa 1129 }
klauss 91:c2a86b1f8aaa 1130 }
klauss 91:c2a86b1f8aaa 1131 if( status == sip_trying ){
klauss 91:c2a86b1f8aaa 1132 //if( !( strncasecmp( buffer + 7, " 180 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1133 if( sip_response == 180 ){
klauss 91:c2a86b1f8aaa 1134 if( debug_invite ) debug_msg("ringing");
klauss 91:c2a86b1f8aaa 1135 set_status( status, sip_ringing );
klauss 91:c2a86b1f8aaa 1136 }
klauss 91:c2a86b1f8aaa 1137 }
klauss 91:c2a86b1f8aaa 1138 if( status == sip_waiting_trying ){
klauss 91:c2a86b1f8aaa 1139 //if( !( strncasecmp( buffer + 7, " 100 ", 5 ) ) ){
klauss 91:c2a86b1f8aaa 1140 if( sip_response == 100 ){
klauss 91:c2a86b1f8aaa 1141 if( debug_invite ) debug_msg("trying")
klauss 91:c2a86b1f8aaa 1142 set_status( status, sip_trying );
klauss 91:c2a86b1f8aaa 1143 }
klauss 91:c2a86b1f8aaa 1144 }
klauss 91:c2a86b1f8aaa 1145 if( status == sip_on_call ){
klauss 91:c2a86b1f8aaa 1146 if( !( strncasecmp( buffer, "bye ", 4 ) ) ){
klauss 91:c2a86b1f8aaa 1147 char ans[ 2000 ];
klauss 91:c2a86b1f8aaa 1148 build_reply_package( ans, (unsigned char*)buffer );
klauss 91:c2a86b1f8aaa 1149
klauss 91:c2a86b1f8aaa 1150 int bye_sent = sock.sendTo( sip_server, ans, strlen( ans ) );
klauss 91:c2a86b1f8aaa 1151 if( debug_invite ) debug_msg("sizeof( bye reply pkg ) :: %d", strlen( ans ) );
klauss 91:c2a86b1f8aaa 1152 if( debug_invite ) debug_msg("Server request BYE to %d ext", my_ext );
klauss 91:c2a86b1f8aaa 1153 if( debug_invite ) debug_msg("Bye request received from *");
klauss 91:c2a86b1f8aaa 1154
klauss 91:c2a86b1f8aaa 1155 listen_SIP_server_return = my_ext;
klauss 91:c2a86b1f8aaa 1156 }
klauss 91:c2a86b1f8aaa 1157 }
klauss 91:c2a86b1f8aaa 1158 }
klauss 91:c2a86b1f8aaa 1159
klauss 91:c2a86b1f8aaa 1160 return length;
klauss 91:c2a86b1f8aaa 1161 }
klauss 91:c2a86b1f8aaa 1162
klauss 91:c2a86b1f8aaa 1163 void Sip::reset_call( void ){
klauss 91:c2a86b1f8aaa 1164 if( call != NULL ) call = NULL;
klauss 97:8985817e8847 1165 }
klauss 97:8985817e8847 1166
klauss 97:8985817e8847 1167 int Sip::get_ext( void ){ return my_ext; }
klauss 97:8985817e8847 1168
klauss 97:8985817e8847 1169 int Sip::get_port( void ){ return my_port; }