VZTECH
voltando a versao de n aberturas e fechamentos de sockets data 19/09
Dependencies: EthernetInterface NTPClient mbed-rtos mbed EALib
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VZTECH
sip.cpp@3:cd9148672e25, 2014-09-10 (annotated)
- Committer:
- klauss
- Date:
- Wed Sep 10 18:21:48 2014 +0000
- Revision:
- 3:cd9148672e25
- Parent:
- 1:a1758104fa1d
- Child:
- 4:de46f0d9b14d
versao estavel; - Realiza ligacao de 1 cb, master/slave, como musica de conforto e tratamento sip/rtp, desalocacao de recursos.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| klauss | 0:4d17cd9c8f9d | 1 | #include "sip.h" |
| klauss | 0:4d17cd9c8f9d | 2 | #include "utils.h" |
| klauss | 0:4d17cd9c8f9d | 3 | |
| klauss | 0:4d17cd9c8f9d | 4 | void Sip::__init_sock__( void ){ |
| klauss | 0:4d17cd9c8f9d | 5 | sip_server.set_address( this->server_ip , this->server_port ); |
| klauss | 0:4d17cd9c8f9d | 6 | sock.set_blocking( false, 1 ); // verificar isso com mais cuidado depois |
| klauss | 0:4d17cd9c8f9d | 7 | sock.bind( this->my_port ); |
| klauss | 0:4d17cd9c8f9d | 8 | sock.init(); |
| klauss | 0:4d17cd9c8f9d | 9 | } |
| klauss | 0:4d17cd9c8f9d | 10 | |
| klauss | 0:4d17cd9c8f9d | 11 | void Sip::__end_sock__(){ |
| klauss | 0:4d17cd9c8f9d | 12 | sock.close(); |
| klauss | 0:4d17cd9c8f9d | 13 | } |
| klauss | 0:4d17cd9c8f9d | 14 | |
| klauss | 0:4d17cd9c8f9d | 15 | Sip::Sip( char * server_ip, int server_port, char * my_ip, int my_port, int my_ext, int peer_ext, int id ){ |
| klauss | 0:4d17cd9c8f9d | 16 | this->id = id; |
| klauss | 0:4d17cd9c8f9d | 17 | strncpy( this->server_ip, server_ip, 20 ); |
| klauss | 0:4d17cd9c8f9d | 18 | this->server_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 19 | this->server_port = server_port; |
| klauss | 0:4d17cd9c8f9d | 20 | strncpy( this->my_ip, my_ip, 20 ); |
| klauss | 0:4d17cd9c8f9d | 21 | this->my_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 22 | this->my_port = my_port; |
| klauss | 0:4d17cd9c8f9d | 23 | this->my_rtp_port = fill_random_rtp_port(); |
| klauss | 0:4d17cd9c8f9d | 24 | this->my_ext = my_ext; |
| klauss | 0:4d17cd9c8f9d | 25 | itoa( this->my_ext, this->my_display, 10 ); |
| klauss | 0:4d17cd9c8f9d | 26 | this->peer_ext = peer_ext; |
| klauss | 0:4d17cd9c8f9d | 27 | |
| klauss | 0:4d17cd9c8f9d | 28 | strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" ); |
| klauss | 0:4d17cd9c8f9d | 29 | strcpy( this->last_invite_tag, "" ); |
| klauss | 0:4d17cd9c8f9d | 30 | strcpy( this->last_invite_callid, ""); |
| klauss | 0:4d17cd9c8f9d | 31 | strcpy( this->SVNREV, "COLA" ); |
| klauss | 0:4d17cd9c8f9d | 32 | status = sip_idle; |
| klauss | 0:4d17cd9c8f9d | 33 | |
| klauss | 0:4d17cd9c8f9d | 34 | __init_sock__(); |
| klauss | 0:4d17cd9c8f9d | 35 | } |
| klauss | 0:4d17cd9c8f9d | 36 | |
| klauss | 0:4d17cd9c8f9d | 37 | Sip::Sip(){ |
| klauss | 0:4d17cd9c8f9d | 38 | this->id = __MY_EXT__; |
| klauss | 0:4d17cd9c8f9d | 39 | strncpy( this->server_ip, __SEVER_IP__, 20 ); |
| klauss | 0:4d17cd9c8f9d | 40 | this->server_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 41 | this->server_port = __SERVER_PORT__; |
| klauss | 0:4d17cd9c8f9d | 42 | strncpy( this->my_ip, __MY_IP__, 20 ); |
| klauss | 0:4d17cd9c8f9d | 43 | this->my_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 44 | this->my_port = __MY_PORT__; |
| klauss | 0:4d17cd9c8f9d | 45 | this->my_rtp_port = fill_random_rtp_port(); |
| klauss | 0:4d17cd9c8f9d | 46 | this->my_ext = __MY_EXT__; |
| klauss | 0:4d17cd9c8f9d | 47 | itoa( this->my_ext, this->my_display, 10 ); |
| klauss | 0:4d17cd9c8f9d | 48 | this->peer_ext = __PEER_EXT__; |
| klauss | 0:4d17cd9c8f9d | 49 | |
| klauss | 0:4d17cd9c8f9d | 50 | strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" ); |
| klauss | 0:4d17cd9c8f9d | 51 | strcpy( this->last_invite_tag, "" ); |
| klauss | 0:4d17cd9c8f9d | 52 | strcpy( this->last_invite_callid, ""); |
| klauss | 0:4d17cd9c8f9d | 53 | strcpy( this->SVNREV, "COLA" ); |
| klauss | 0:4d17cd9c8f9d | 54 | status = sip_idle; |
| klauss | 0:4d17cd9c8f9d | 55 | |
| klauss | 0:4d17cd9c8f9d | 56 | __init_sock__(); |
| klauss | 0:4d17cd9c8f9d | 57 | } |
| klauss | 0:4d17cd9c8f9d | 58 | |
| klauss | 0:4d17cd9c8f9d | 59 | Sip::Sip( int id, uint16_t my_port ){ |
| klauss | 0:4d17cd9c8f9d | 60 | this->id = id; |
| klauss | 0:4d17cd9c8f9d | 61 | strncpy( this->server_ip, __SEVER_IP__, 20 ); |
| klauss | 0:4d17cd9c8f9d | 62 | this->server_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 63 | this->server_port = __SERVER_PORT__; |
| klauss | 0:4d17cd9c8f9d | 64 | strncpy( this->my_ip, __MY_IP__, 20 ); |
| klauss | 0:4d17cd9c8f9d | 65 | this->my_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 66 | this->my_port = my_port; |
| klauss | 0:4d17cd9c8f9d | 67 | this->my_rtp_port = fill_random_rtp_port(); |
| klauss | 0:4d17cd9c8f9d | 68 | this->my_ext = id; |
| klauss | 0:4d17cd9c8f9d | 69 | itoa( this->my_ext, this->my_display, 10 ); |
| klauss | 0:4d17cd9c8f9d | 70 | this->peer_ext = __PEER_EXT__; |
| klauss | 0:4d17cd9c8f9d | 71 | |
| klauss | 0:4d17cd9c8f9d | 72 | strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" ); |
| klauss | 0:4d17cd9c8f9d | 73 | strcpy( this->last_invite_tag, "" ); |
| klauss | 0:4d17cd9c8f9d | 74 | strcpy( this->last_invite_callid, ""); |
| klauss | 0:4d17cd9c8f9d | 75 | strcpy( this->SVNREV, "COLA" ); |
| klauss | 0:4d17cd9c8f9d | 76 | status = sip_idle; |
| klauss | 0:4d17cd9c8f9d | 77 | |
| klauss | 0:4d17cd9c8f9d | 78 | __init_sock__(); |
| klauss | 0:4d17cd9c8f9d | 79 | } |
| klauss | 0:4d17cd9c8f9d | 80 | |
| klauss | 0:4d17cd9c8f9d | 81 | Sip::Sip( int id, uint16_t my_port, int dest_ext ){ |
| klauss | 0:4d17cd9c8f9d | 82 | this->id = id; |
| klauss | 0:4d17cd9c8f9d | 83 | strncpy( this->server_ip, __SEVER_IP__, 20 ); |
| klauss | 0:4d17cd9c8f9d | 84 | this->server_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 85 | this->server_port = __SERVER_PORT__; |
| klauss | 0:4d17cd9c8f9d | 86 | strncpy( this->my_ip, __MY_IP__, 20 ); |
| klauss | 0:4d17cd9c8f9d | 87 | this->my_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 88 | this->my_port = my_port; |
| klauss | 0:4d17cd9c8f9d | 89 | this->my_rtp_port = fill_random_rtp_port(); |
| klauss | 0:4d17cd9c8f9d | 90 | this->my_ext = id; |
| klauss | 0:4d17cd9c8f9d | 91 | itoa( this->my_ext, this->my_display, 10 ); |
| klauss | 0:4d17cd9c8f9d | 92 | this->peer_ext = dest_ext; |
| klauss | 0:4d17cd9c8f9d | 93 | |
| klauss | 0:4d17cd9c8f9d | 94 | strcpy( this->fill_random_aux, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789pP" ); |
| klauss | 0:4d17cd9c8f9d | 95 | strcpy( this->last_invite_tag, "" ); |
| klauss | 0:4d17cd9c8f9d | 96 | strcpy( this->last_invite_callid, ""); |
| klauss | 0:4d17cd9c8f9d | 97 | strcpy( this->SVNREV, "COLA" ); |
| klauss | 0:4d17cd9c8f9d | 98 | status = sip_idle; |
| klauss | 0:4d17cd9c8f9d | 99 | |
| klauss | 0:4d17cd9c8f9d | 100 | __init_sock__(); |
| klauss | 0:4d17cd9c8f9d | 101 | } |
| klauss | 0:4d17cd9c8f9d | 102 | |
| klauss | 0:4d17cd9c8f9d | 103 | Sip::~Sip(){ |
| klauss | 0:4d17cd9c8f9d | 104 | __end_sock__(); |
| klauss | 0:4d17cd9c8f9d | 105 | } |
| klauss | 0:4d17cd9c8f9d | 106 | |
| klauss | 0:4d17cd9c8f9d | 107 | void Sip::registry(){ |
| klauss | 0:4d17cd9c8f9d | 108 | char out[ 1000 ]; |
| klauss | 0:4d17cd9c8f9d | 109 | build_registry_package( buffer ); |
| klauss | 0:4d17cd9c8f9d | 110 | sock.sendTo( sip_server, buffer, sizeof( buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 111 | sock.receiveFrom( sip_server, buffer, sizeof( buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 112 | if( decode_gettag( (unsigned char *)buffer, "cseq: ", out ) ){ |
| klauss | 0:4d17cd9c8f9d | 113 | if(strlen( out ) > 7){ |
| klauss | 0:4d17cd9c8f9d | 114 | if(strcasecmp("options",out+strlen(out)-7) == 0){ |
| klauss | 0:4d17cd9c8f9d | 115 | char ans[ 2000 ]; |
| klauss | 0:4d17cd9c8f9d | 116 | build_reply_package( ans, (unsigned char*)buffer ); |
| klauss | 0:4d17cd9c8f9d | 117 | sock.sendTo( sip_server, ans, sizeof( ans ) ); |
| klauss | 0:4d17cd9c8f9d | 118 | } |
| klauss | 0:4d17cd9c8f9d | 119 | } |
| klauss | 0:4d17cd9c8f9d | 120 | } |
| klauss | 0:4d17cd9c8f9d | 121 | } |
| klauss | 0:4d17cd9c8f9d | 122 | |
| klauss | 0:4d17cd9c8f9d | 123 | VZ_call * Sip::old_invite(){ |
| klauss | 0:4d17cd9c8f9d | 124 | Timer t; |
| klauss | 0:4d17cd9c8f9d | 125 | char buffer[ 1024 ]; |
| klauss | 0:4d17cd9c8f9d | 126 | char callbox_string[ 32 ]; |
| klauss | 0:4d17cd9c8f9d | 127 | itoa( get_id(), callbox_string, 10 ); |
| klauss | 0:4d17cd9c8f9d | 128 | int cseq; |
| klauss | 0:4d17cd9c8f9d | 129 | |
| klauss | 0:4d17cd9c8f9d | 130 | build_invite_package( buffer, callbox_string, &cseq ); |
| klauss | 0:4d17cd9c8f9d | 131 | sock.sendTo( sip_server, buffer, sizeof( buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 132 | |
| klauss | 0:4d17cd9c8f9d | 133 | t.start(); |
| klauss | 0:4d17cd9c8f9d | 134 | while( sock.receiveFrom( sip_server, buffer, sizeof( buffer ) ) < 1 ) { |
| klauss | 0:4d17cd9c8f9d | 135 | if( t.read() > __INVITE_MAX_WAITING_TIME__ ) { /* Trying package */ |
| klauss | 0:4d17cd9c8f9d | 136 | change_sip_server(); |
| klauss | 0:4d17cd9c8f9d | 137 | t.reset(); |
| klauss | 0:4d17cd9c8f9d | 138 | break; |
| klauss | 0:4d17cd9c8f9d | 139 | } |
| klauss | 0:4d17cd9c8f9d | 140 | } |
| klauss | 0:4d17cd9c8f9d | 141 | while( sock.receiveFrom( sip_server, buffer, sizeof( buffer ) ) < 1 ) { |
| klauss | 0:4d17cd9c8f9d | 142 | if( t.read() > __INVITE_MAX_WAITING_TIME__ ) { /* Ringing package */ |
| klauss | 0:4d17cd9c8f9d | 143 | change_sip_server(); |
| klauss | 0:4d17cd9c8f9d | 144 | t.reset(); |
| klauss | 0:4d17cd9c8f9d | 145 | break; |
| klauss | 0:4d17cd9c8f9d | 146 | } |
| klauss | 0:4d17cd9c8f9d | 147 | } |
| klauss | 0:4d17cd9c8f9d | 148 | int call_trying = 1; |
| klauss | 0:4d17cd9c8f9d | 149 | while( call_trying-- ){ |
| klauss | 0:4d17cd9c8f9d | 150 | while( sock.receiveFrom( sip_server, buffer, sizeof( buffer ) ) < 1 ) { |
| klauss | 0:4d17cd9c8f9d | 151 | if( t.read() > __INVITE_MAX_WAITING_TIME__ ) { /* ok package */ |
| klauss | 0:4d17cd9c8f9d | 152 | change_sip_server(); |
| klauss | 0:4d17cd9c8f9d | 153 | t.reset(); |
| klauss | 0:4d17cd9c8f9d | 154 | break; |
| klauss | 0:4d17cd9c8f9d | 155 | } |
| klauss | 0:4d17cd9c8f9d | 156 | } |
| klauss | 0:4d17cd9c8f9d | 157 | wait( 3 ); |
| klauss | 0:4d17cd9c8f9d | 158 | char * ref = strstr( buffer, "audio" ); |
| klauss | 0:4d17cd9c8f9d | 159 | if( ref != NULL ){ |
| klauss | 0:4d17cd9c8f9d | 160 | ref += 6; /*audio */ |
| klauss | 0:4d17cd9c8f9d | 161 | ref = strtok( ref, " "); |
| klauss | 0:4d17cd9c8f9d | 162 | VZ_call * call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) ); |
| klauss | 0:4d17cd9c8f9d | 163 | char ans[ 1024 ]; |
| klauss | 0:4d17cd9c8f9d | 164 | build_ack_package( ans, ( unsigned char *)buffer ); |
| klauss | 0:4d17cd9c8f9d | 165 | sock.sendTo( sip_server, ans, sizeof( ans ) ); |
| klauss | 0:4d17cd9c8f9d | 166 | |
| klauss | 0:4d17cd9c8f9d | 167 | return( call ); |
| klauss | 0:4d17cd9c8f9d | 168 | } |
| klauss | 0:4d17cd9c8f9d | 169 | } |
| klauss | 0:4d17cd9c8f9d | 170 | return( NULL ); |
| klauss | 0:4d17cd9c8f9d | 171 | } |
| klauss | 0:4d17cd9c8f9d | 172 | |
| klauss | 0:4d17cd9c8f9d | 173 | VZ_call * Sip::invite(){ |
| klauss | 0:4d17cd9c8f9d | 174 | Timer t; |
| klauss | 0:4d17cd9c8f9d | 175 | char callbox_string[ 32 ]; |
| klauss | 0:4d17cd9c8f9d | 176 | itoa( get_id(), callbox_string, 10 ); |
| klauss | 0:4d17cd9c8f9d | 177 | |
| klauss | 0:4d17cd9c8f9d | 178 | if( status != sip_on_call ) set_status(status, sip_waiting_trying ); |
| klauss | 0:4d17cd9c8f9d | 179 | |
| klauss | 0:4d17cd9c8f9d | 180 | else return( NULL ); |
| klauss | 0:4d17cd9c8f9d | 181 | |
| klauss | 0:4d17cd9c8f9d | 182 | int cseq = 0; |
| klauss | 0:4d17cd9c8f9d | 183 | |
| klauss | 0:4d17cd9c8f9d | 184 | build_invite_package( buffer, callbox_string, &cseq ); |
| klauss | 0:4d17cd9c8f9d | 185 | sock.sendTo( sip_server, buffer, sizeof( buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 186 | |
| klauss | 0:4d17cd9c8f9d | 187 | debug_msg( "Inicio do invite" ); |
| klauss | 0:4d17cd9c8f9d | 188 | debug_msg( "Sip::status::%d", status ); |
| klauss | 0:4d17cd9c8f9d | 189 | t.start(); |
| klauss | 0:4d17cd9c8f9d | 190 | |
| klauss | 0:4d17cd9c8f9d | 191 | sock.set_blocking( false, 5 ); |
| klauss | 0:4d17cd9c8f9d | 192 | |
| klauss | 0:4d17cd9c8f9d | 193 | char buffer_eth_invite[ 1024 ]; |
| klauss | 0:4d17cd9c8f9d | 194 | int loop_times = 0; |
| klauss | 0:4d17cd9c8f9d | 195 | int received_loop_times = 0; |
| klauss | 0:4d17cd9c8f9d | 196 | Timer reconnect; |
| klauss | 0:4d17cd9c8f9d | 197 | reconnect.start(); |
| klauss | 0:4d17cd9c8f9d | 198 | static int id_ = 0; |
| klauss | 0:4d17cd9c8f9d | 199 | int length = 0; |
| klauss | 3:cd9148672e25 | 200 | bool waiting = false; |
| klauss | 3:cd9148672e25 | 201 | |
| klauss | 3:cd9148672e25 | 202 | VZ_call * call = NULL; |
| klauss | 0:4d17cd9c8f9d | 203 | while( t.read() < __INVITE_MAX_WAITING_TIME__ ){ |
| klauss | 0:4d17cd9c8f9d | 204 | loop_times++; |
| klauss | 0:4d17cd9c8f9d | 205 | length = sock.receiveFrom( sip_server, buffer_eth_invite, sizeof( buffer_eth_invite ) ); |
| klauss | 0:4d17cd9c8f9d | 206 | if( length > 0 ){ |
| klauss | 0:4d17cd9c8f9d | 207 | reconnect.reset(); |
| klauss | 0:4d17cd9c8f9d | 208 | debug_msg("Pacotes recebidos :: %d", id_ ); |
| klauss | 0:4d17cd9c8f9d | 209 | buffer_eth_invite[ length ] = 0; |
| klauss | 0:4d17cd9c8f9d | 210 | debug_msg("-- %d :: %s --", id_++, buffer_eth_invite ); |
| klauss | 0:4d17cd9c8f9d | 211 | received_loop_times++; |
| klauss | 0:4d17cd9c8f9d | 212 | if( ( status == sip_trying ) || ( status == sip_ringing ) ){ |
| klauss | 0:4d17cd9c8f9d | 213 | if( !( strncasecmp( buffer_eth_invite + 12, "ok", strlen("ok") ) ) ){ |
| klauss | 0:4d17cd9c8f9d | 214 | // tratar depois o esquema do Cseq :: |
| klauss | 0:4d17cd9c8f9d | 215 | debug_msg( "Cseq == %d", cseq ); |
| klauss | 0:4d17cd9c8f9d | 216 | set_status(status, sip_on_call); |
| klauss | 0:4d17cd9c8f9d | 217 | char *ref = strstr( buffer_eth_invite, "audio" ); |
| klauss | 0:4d17cd9c8f9d | 218 | debug_msg("ok"); |
| klauss | 0:4d17cd9c8f9d | 219 | if( ref != NULL ){ |
| klauss | 0:4d17cd9c8f9d | 220 | ref += 6; // audio |
| klauss | 0:4d17cd9c8f9d | 221 | ref = strtok( ref, " "); |
| klauss | 3:cd9148672e25 | 222 | if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) ); |
| klauss | 0:4d17cd9c8f9d | 223 | char ans[ 1024 ]; |
| klauss | 0:4d17cd9c8f9d | 224 | build_ack_package( ans, ( unsigned char *)buffer_eth_invite ); |
| klauss | 0:4d17cd9c8f9d | 225 | sock.sendTo( sip_server, ans, sizeof( ans ) ); |
| klauss | 1:a1758104fa1d | 226 | debug_msg("Call alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times ); |
| klauss | 0:4d17cd9c8f9d | 227 | set_status( status, sip_on_call ); |
| klauss | 0:4d17cd9c8f9d | 228 | return( call ); |
| klauss | 0:4d17cd9c8f9d | 229 | } |
| klauss | 0:4d17cd9c8f9d | 230 | } |
| klauss | 0:4d17cd9c8f9d | 231 | } |
| klauss | 3:cd9148672e25 | 232 | if( ( status == sip_trying ) || ( status == sip_ringing ) ){ |
| klauss | 3:cd9148672e25 | 233 | if( !( strncasecmp( buffer_eth_invite + 12, "Session Progress", strlen("Session Progress") ) ) ){ |
| klauss | 3:cd9148672e25 | 234 | char *ref = strstr( buffer_eth_invite, "audio" ); |
| klauss | 3:cd9148672e25 | 235 | debug_msg( "Trocando dados de audio -- musica de espera com o CBx" ); |
| klauss | 3:cd9148672e25 | 236 | if( ref != NULL ){ |
| klauss | 3:cd9148672e25 | 237 | ref += 6; // audio |
| klauss | 3:cd9148672e25 | 238 | ref = strtok( ref, " "); |
| klauss | 3:cd9148672e25 | 239 | if( call == NULL ) call = new VZ_call( this->my_ext, this->my_rtp_port, this->peer_ext, atoi( ref ) ); |
| klauss | 3:cd9148672e25 | 240 | waiting = true; |
| klauss | 3:cd9148672e25 | 241 | } |
| klauss | 3:cd9148672e25 | 242 | } |
| klauss | 3:cd9148672e25 | 243 | } |
| klauss | 0:4d17cd9c8f9d | 244 | if( status == sip_trying ){ |
| klauss | 0:4d17cd9c8f9d | 245 | if( !( strncasecmp( buffer_eth_invite + 12, "ringing", strlen("ringing") ) ) ){ |
| klauss | 0:4d17cd9c8f9d | 246 | debug_msg("ringing"); |
| klauss | 0:4d17cd9c8f9d | 247 | t.reset(); |
| klauss | 0:4d17cd9c8f9d | 248 | set_status( status, sip_ringing ); |
| klauss | 0:4d17cd9c8f9d | 249 | } |
| klauss | 0:4d17cd9c8f9d | 250 | } |
| klauss | 0:4d17cd9c8f9d | 251 | if( status == sip_waiting_trying ){ |
| klauss | 0:4d17cd9c8f9d | 252 | if( !( strncasecmp( buffer_eth_invite + 12, "trying", strlen("trying") ) ) ){ |
| klauss | 0:4d17cd9c8f9d | 253 | debug_msg("trying") |
| klauss | 0:4d17cd9c8f9d | 254 | t.reset(); |
| klauss | 0:4d17cd9c8f9d | 255 | set_status( status, sip_trying ); |
| klauss | 0:4d17cd9c8f9d | 256 | } |
| klauss | 0:4d17cd9c8f9d | 257 | } |
| klauss | 0:4d17cd9c8f9d | 258 | }else if( reconnect.read() > 4 ){ |
| klauss | 0:4d17cd9c8f9d | 259 | sock.close(); |
| klauss | 0:4d17cd9c8f9d | 260 | sock.bind( this->my_port ); |
| klauss | 0:4d17cd9c8f9d | 261 | sock.init(); |
| klauss | 0:4d17cd9c8f9d | 262 | sock.set_blocking( false, 1 ); |
| klauss | 0:4d17cd9c8f9d | 263 | debug_msg("Reconnect"); |
| klauss | 0:4d17cd9c8f9d | 264 | reconnect.reset(); |
| klauss | 0:4d17cd9c8f9d | 265 | //sock.sendTo( sip_server, buffer, sizeof( buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 266 | led4 = !led4; |
| klauss | 0:4d17cd9c8f9d | 267 | } |
| klauss | 3:cd9148672e25 | 268 | if( waiting == true ){ |
| klauss | 3:cd9148672e25 | 269 | char * tmp = call->get_eth_message( &length ); |
| klauss | 3:cd9148672e25 | 270 | if( tmp != NULL ){ |
| klauss | 3:cd9148672e25 | 271 | uint8_t * pkg2cb = __build_cb_package__( this->my_ext, this->my_port, __AUDIO__, |
| klauss | 3:cd9148672e25 | 272 | tmp, __AUDIO__, length, (uint8_t *)buffer ); |
| klauss | 3:cd9148672e25 | 273 | __send_to_cb__( pkg2cb ); |
| klauss | 3:cd9148672e25 | 274 | } |
| klauss | 3:cd9148672e25 | 275 | } |
| klauss | 0:4d17cd9c8f9d | 276 | } |
| klauss | 0:4d17cd9c8f9d | 277 | |
| klauss | 0:4d17cd9c8f9d | 278 | debug_msg("Call nao alocada -- Sip::status::%d -- loop_times :: %d :: received_loop_times :: %d", status, loop_times, received_loop_times ); |
| klauss | 0:4d17cd9c8f9d | 279 | if( t.read() > __INVITE_MAX_WAITING_TIME__ ){ |
| klauss | 0:4d17cd9c8f9d | 280 | set_status(status, sip_denied); |
| klauss | 0:4d17cd9c8f9d | 281 | } |
| klauss | 3:cd9148672e25 | 282 | delete( call ); |
| klauss | 0:4d17cd9c8f9d | 283 | return( NULL ); |
| klauss | 0:4d17cd9c8f9d | 284 | } |
| klauss | 0:4d17cd9c8f9d | 285 | |
| klauss | 0:4d17cd9c8f9d | 286 | char * Sip::build_registry_package( char * buffer ){ |
| klauss | 0:4d17cd9c8f9d | 287 | char branch[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 288 | char tag[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 289 | char callid[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 290 | fill_random16h( branch ); |
| klauss | 0:4d17cd9c8f9d | 291 | fill_random( tag, 18 ); |
| klauss | 0:4d17cd9c8f9d | 292 | fill_random16h( callid ); |
| klauss | 0:4d17cd9c8f9d | 293 | char itoa_buffer[ 65 ]; |
| klauss | 0:4d17cd9c8f9d | 294 | strcpy( buffer, "REGISTER sip:" ); |
| klauss | 0:4d17cd9c8f9d | 295 | strcat( buffer, server_ip ); |
| klauss | 0:4d17cd9c8f9d | 296 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 297 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 298 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 299 | strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " ); |
| klauss | 0:4d17cd9c8f9d | 300 | strcat( buffer, my_ip ); |
| klauss | 0:4d17cd9c8f9d | 301 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 302 | itoa( my_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 303 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 304 | strcat( buffer, ";branch=" ); |
| klauss | 0:4d17cd9c8f9d | 305 | strcat( buffer, branch ); |
| klauss | 0:4d17cd9c8f9d | 306 | strcat( buffer, "\r\nFrom: " ); |
| klauss | 0:4d17cd9c8f9d | 307 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 308 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 309 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 310 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 311 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 312 | strcat( buffer, server_ip ); |
| klauss | 0:4d17cd9c8f9d | 313 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 314 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 315 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 316 | strcat( buffer, ">;tag=" ); |
| klauss | 0:4d17cd9c8f9d | 317 | strcat( buffer, tag ); |
| klauss | 0:4d17cd9c8f9d | 318 | strcat( buffer, "\r\nTo: " ); |
| klauss | 0:4d17cd9c8f9d | 319 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 320 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 321 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 322 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 323 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 324 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 325 | strcat( buffer, server_ip ); |
| klauss | 0:4d17cd9c8f9d | 326 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 327 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 328 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 329 | strcat( buffer, ">\r\nCall-ID: " ); |
| klauss | 0:4d17cd9c8f9d | 330 | strcat( buffer, callid ); |
| klauss | 0:4d17cd9c8f9d | 331 | strcat( buffer, "\r\nCSeq: " ); |
| klauss | 0:4d17cd9c8f9d | 332 | itoa( get_cseq(), itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 333 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 334 | strcat( buffer, " REGISTER\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 335 | strcat( buffer, "Max-Forwards: " ); |
| klauss | 0:4d17cd9c8f9d | 336 | itoa( 70, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 337 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 338 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 339 | |
| klauss | 0:4d17cd9c8f9d | 340 | strcat( buffer, "Contact: " ); |
| klauss | 0:4d17cd9c8f9d | 341 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 342 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 343 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 344 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 345 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 346 | strcat( buffer, my_ip ); |
| klauss | 0:4d17cd9c8f9d | 347 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 348 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 349 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 350 | strcat( buffer, ">;expires=120" ); |
| klauss | 0:4d17cd9c8f9d | 351 | //itoa( 1200, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 352 | //strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 353 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 354 | |
| klauss | 0:4d17cd9c8f9d | 355 | strcat( buffer, "User-Agent: VZtech/pabxdriver-" ); |
| klauss | 0:4d17cd9c8f9d | 356 | strcat( buffer, SVNREV ); |
| klauss | 0:4d17cd9c8f9d | 357 | strcat( buffer, "\r\nContent-Length: 0\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 358 | strcat( buffer, SIP_ALLOW ); |
| klauss | 0:4d17cd9c8f9d | 359 | strcat( buffer, "\r\n\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 360 | buffer[ SIP_MAXMSGSIZE - 1 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 361 | return buffer; |
| klauss | 0:4d17cd9c8f9d | 362 | } |
| klauss | 0:4d17cd9c8f9d | 363 | |
| klauss | 0:4d17cd9c8f9d | 364 | char * Sip::build_invite_package( char * pkg, char * callbox_string, int * cseq ){ |
| klauss | 0:4d17cd9c8f9d | 365 | char header[ SIP_MAXMSGSIZE ], body[ SIP_MAXMSGSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 366 | char branch[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 367 | char tag[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 368 | char callid[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 369 | char itoa_buffer[ 65 ]; |
| klauss | 0:4d17cd9c8f9d | 370 | *cseq = get_cseq(); |
| klauss | 0:4d17cd9c8f9d | 371 | fill_random16h( branch ); |
| klauss | 0:4d17cd9c8f9d | 372 | fill_random( tag,18 ); |
| klauss | 0:4d17cd9c8f9d | 373 | fill_random16h( callid ); |
| klauss | 0:4d17cd9c8f9d | 374 | |
| klauss | 0:4d17cd9c8f9d | 375 | strcpy( last_invite_tag,tag ); |
| klauss | 0:4d17cd9c8f9d | 376 | strcpy( last_invite_callid, callid ); |
| klauss | 0:4d17cd9c8f9d | 377 | |
| klauss | 0:4d17cd9c8f9d | 378 | strcpy( header, "INVITE sip:" ); |
| klauss | 0:4d17cd9c8f9d | 379 | itoa( this->peer_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 380 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 381 | strcat( header, "@" ); |
| klauss | 0:4d17cd9c8f9d | 382 | strcat( header, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 383 | strcat( header, ":" ); |
| klauss | 0:4d17cd9c8f9d | 384 | itoa( this->server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 385 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 386 | strcat( header, " SIP/" ); |
| klauss | 0:4d17cd9c8f9d | 387 | itoa( 2, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 388 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 389 | strcat( header, "." ); |
| klauss | 0:4d17cd9c8f9d | 390 | itoa( 0, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 391 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 392 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 393 | strcat( header, "Via: SIP/" ); |
| klauss | 0:4d17cd9c8f9d | 394 | itoa( 2, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 395 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 396 | strcat( header, "." ); |
| klauss | 0:4d17cd9c8f9d | 397 | itoa( 0, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 398 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 399 | strcat( header, "/UDP" ); |
| klauss | 0:4d17cd9c8f9d | 400 | strcat( header, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 401 | strcat( header, ":" ); |
| klauss | 0:4d17cd9c8f9d | 402 | itoa( this->my_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 403 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 404 | strcat( header, ";branch=" ); |
| klauss | 0:4d17cd9c8f9d | 405 | strcat( header, branch ); |
| klauss | 0:4d17cd9c8f9d | 406 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 407 | strcat( header, "From: " ); |
| klauss | 0:4d17cd9c8f9d | 408 | strcat( header, callbox_string ); |
| klauss | 0:4d17cd9c8f9d | 409 | strcat( header, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 410 | itoa( this->my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 411 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 412 | strcat( header, "@" ); |
| klauss | 0:4d17cd9c8f9d | 413 | strcat( header, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 414 | strcat( header, ":" ); |
| klauss | 0:4d17cd9c8f9d | 415 | itoa( this->server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 416 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 417 | strcat( header, ">;tag=" ); |
| klauss | 0:4d17cd9c8f9d | 418 | strcat( header, tag ); |
| klauss | 0:4d17cd9c8f9d | 419 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 420 | strcat( header, "To: <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 421 | itoa( this->peer_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 422 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 423 | strcat( header, "@" ); |
| klauss | 0:4d17cd9c8f9d | 424 | strcat( header, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 425 | strcat( header, ":" ); |
| klauss | 0:4d17cd9c8f9d | 426 | itoa( this->server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 427 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 428 | strcat( header, ">\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 429 | strcat( header, "Call-ID: " ); |
| klauss | 0:4d17cd9c8f9d | 430 | strcat( header, callid ); |
| klauss | 0:4d17cd9c8f9d | 431 | strcat( header, "@" ); |
| klauss | 0:4d17cd9c8f9d | 432 | strcat( header, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 433 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 434 | strcat( header, "CSeq: " ); |
| klauss | 0:4d17cd9c8f9d | 435 | itoa( *cseq, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 436 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 437 | strcat( header, " INVITE\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 438 | strcat( header, "Contact: " ); |
| klauss | 0:4d17cd9c8f9d | 439 | itoa( this->my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 440 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 441 | strcat( header, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 442 | itoa( this->my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 443 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 444 | strcat( header, "@" ); |
| klauss | 0:4d17cd9c8f9d | 445 | strcat( header, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 446 | strcat( header, ":" ); |
| klauss | 0:4d17cd9c8f9d | 447 | itoa( this->my_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 448 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 449 | strcat( header, ">\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 450 | strcat( header, "Max-Forwards: " ); |
| klauss | 0:4d17cd9c8f9d | 451 | itoa( 20, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 452 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 453 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 454 | strcat( header, "User-Agent: VZtech/pabxdriver-" ); |
| klauss | 0:4d17cd9c8f9d | 455 | strcat( header, SVNREV ); |
| klauss | 0:4d17cd9c8f9d | 456 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 457 | strcat( header, "Expires: " ); |
| klauss | 0:4d17cd9c8f9d | 458 | itoa( 70, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 459 | strcat( header, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 460 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 461 | strcat( header, SIP_ALLOW ); |
| klauss | 0:4d17cd9c8f9d | 462 | strcat( header, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 463 | strcat( header, "Content-Type: application/sdp\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 464 | header[ SIP_MAXMSGSIZE - 1 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 465 | |
| klauss | 0:4d17cd9c8f9d | 466 | strcpy( body, "v=0\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 467 | strcat( body, "o=- " ); |
| klauss | 0:4d17cd9c8f9d | 468 | itoa( 7377, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 469 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 470 | strcat( body, " " ); |
| klauss | 0:4d17cd9c8f9d | 471 | itoa( 18176, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 472 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 473 | strcat( body, " IN IP" ); |
| klauss | 0:4d17cd9c8f9d | 474 | itoa( 4, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 475 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 476 | strcat( body, " " ); |
| klauss | 0:4d17cd9c8f9d | 477 | strcat( body, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 478 | strcat( body, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 479 | strcat( body, "s=-\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 480 | strcat( body, "c=IN IP" ); |
| klauss | 0:4d17cd9c8f9d | 481 | itoa( 4, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 482 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 483 | strcat( body, " " ); |
| klauss | 0:4d17cd9c8f9d | 484 | strcat( body, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 485 | strcat( body, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 486 | strcat( body, "t=" ); |
| klauss | 0:4d17cd9c8f9d | 487 | itoa( 0, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 488 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 489 | strcat( body, " " ); |
| klauss | 0:4d17cd9c8f9d | 490 | itoa( 0, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 491 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 492 | strcat( body, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 493 | strcat( body, "m=audio " ); |
| klauss | 0:4d17cd9c8f9d | 494 | itoa( this->my_rtp_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 495 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 496 | strcat( body, " RTP/AVP " ); |
| klauss | 0:4d17cd9c8f9d | 497 | itoa( 8, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 498 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 499 | strcat( body, " " ); |
| klauss | 0:4d17cd9c8f9d | 500 | itoa( 101, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 501 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 502 | strcat( body, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 503 | strcat( body, "a=rtpmap:" ); |
| klauss | 0:4d17cd9c8f9d | 504 | itoa( 8, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 505 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 506 | strcat( body, " PCMA/" ); |
| klauss | 0:4d17cd9c8f9d | 507 | itoa( 8000, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 508 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 509 | strcat( body, "/" ); |
| klauss | 0:4d17cd9c8f9d | 510 | itoa( 1, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 511 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 512 | strcat( body, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 513 | strcat( body, "a=rtpmap:" ); |
| klauss | 0:4d17cd9c8f9d | 514 | itoa( 101, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 515 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 516 | strcat( body, " telephone-event/" ); |
| klauss | 0:4d17cd9c8f9d | 517 | itoa( 8000, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 518 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 519 | strcat( body, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 520 | strcat( body, "a=fmtp: " ); |
| klauss | 0:4d17cd9c8f9d | 521 | itoa( 101, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 522 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 523 | strcat( body, " " ); |
| klauss | 0:4d17cd9c8f9d | 524 | itoa( 0, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 525 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 526 | strcat( body, "-" ); |
| klauss | 0:4d17cd9c8f9d | 527 | itoa( 11, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 528 | strcat( body, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 529 | body[ SIP_MAXMSGSIZE - 1 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 530 | |
| klauss | 0:4d17cd9c8f9d | 531 | make_content_length( header, body, pkg ); |
| klauss | 0:4d17cd9c8f9d | 532 | return( pkg ); |
| klauss | 0:4d17cd9c8f9d | 533 | } |
| klauss | 0:4d17cd9c8f9d | 534 | |
| klauss | 0:4d17cd9c8f9d | 535 | char * Sip::make_content_length( char * header, char * body, char * pkg ){ |
| klauss | 0:4d17cd9c8f9d | 536 | int size; |
| klauss | 0:4d17cd9c8f9d | 537 | char itoa_buffer[ 65 ]; |
| klauss | 0:4d17cd9c8f9d | 538 | size = strlen( body ); |
| klauss | 0:4d17cd9c8f9d | 539 | strcpy( pkg, header ); |
| klauss | 0:4d17cd9c8f9d | 540 | strcat( pkg, "Content-Length: " ); |
| klauss | 0:4d17cd9c8f9d | 541 | itoa( size, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 542 | strcat( pkg, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 543 | strcat( pkg, "\r\n\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 544 | strcat( pkg, body ); |
| klauss | 0:4d17cd9c8f9d | 545 | pkg[ SIP_MAXMSGSIZE - 1 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 546 | return pkg; |
| klauss | 0:4d17cd9c8f9d | 547 | } |
| klauss | 0:4d17cd9c8f9d | 548 | |
| klauss | 0:4d17cd9c8f9d | 549 | char * Sip::build_bye_package( char * buffer ){ |
| klauss | 0:4d17cd9c8f9d | 550 | char branch[SIP_MAXFIELDSIZE]; |
| klauss | 0:4d17cd9c8f9d | 551 | char tag[SIP_MAXFIELDSIZE]; |
| klauss | 0:4d17cd9c8f9d | 552 | char itoa_buffer[ 65 ]; |
| klauss | 0:4d17cd9c8f9d | 553 | fill_random16h(branch); |
| klauss | 0:4d17cd9c8f9d | 554 | fill_random(tag,18); |
| klauss | 0:4d17cd9c8f9d | 555 | |
| klauss | 0:4d17cd9c8f9d | 556 | strcpy( buffer, "BYE sip:" ); |
| klauss | 0:4d17cd9c8f9d | 557 | itoa( this->peer_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 558 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 559 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 560 | strcat( buffer, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 561 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 562 | itoa( this->server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 563 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 564 | strcat( buffer, " SIP/2.0\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 565 | strcat( buffer, "Via: SIP/2.0/UDP " ); |
| klauss | 0:4d17cd9c8f9d | 566 | strcat( buffer, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 567 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 568 | itoa( this->my_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 569 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 570 | strcat( buffer, ";branch=" ); |
| klauss | 0:4d17cd9c8f9d | 571 | strcat( buffer, branch ); |
| klauss | 0:4d17cd9c8f9d | 572 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 573 | strcat( buffer, "From: " ); |
| klauss | 0:4d17cd9c8f9d | 574 | itoa( this->my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 575 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 576 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 577 | itoa( this->my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 578 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 579 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 580 | strcat( buffer, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 581 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 582 | itoa( this->server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 583 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 584 | strcat( buffer, ">;tag=" ); |
| klauss | 0:4d17cd9c8f9d | 585 | strcat( buffer, last_invite_tag ); |
| klauss | 0:4d17cd9c8f9d | 586 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 587 | strcat( buffer, "To: <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 588 | itoa( this->peer_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 589 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 590 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 591 | strcat( buffer, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 592 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 593 | itoa( this->server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 594 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 595 | strcat( buffer, ">;tag=" ); |
| klauss | 0:4d17cd9c8f9d | 596 | strcat( buffer, tag ); |
| klauss | 0:4d17cd9c8f9d | 597 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 598 | strcat( buffer, "Call-ID: " ); |
| klauss | 0:4d17cd9c8f9d | 599 | strcat( buffer, last_invite_callid ); |
| klauss | 0:4d17cd9c8f9d | 600 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 601 | strcat( buffer, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 602 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 603 | strcat( buffer, "CSeq: " ); |
| klauss | 0:4d17cd9c8f9d | 604 | itoa( get_cseq(), itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 605 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 606 | strcat( buffer, " BYE\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 607 | strcat( buffer, "Max-Forwards: 70\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 608 | strcat( buffer, "User-Agent: VZtech/pabxdriver-" ); |
| klauss | 0:4d17cd9c8f9d | 609 | strcat( buffer, SVNREV ); |
| klauss | 0:4d17cd9c8f9d | 610 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 611 | strcat( buffer, "Content-Length: 0\r\n\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 612 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 613 | } |
| klauss | 0:4d17cd9c8f9d | 614 | char * Sip::build_ack_package( char * buffer, unsigned char * orig ){ |
| klauss | 0:4d17cd9c8f9d | 615 | char to[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 616 | char from[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 617 | char callid[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 618 | char via[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 619 | char branch[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 620 | char cseq[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 621 | char itoa_buffer[ 65 ]; |
| klauss | 0:4d17cd9c8f9d | 622 | // FIXME confirmar se nao preciso converter todos os ints com itoa |
| klauss | 0:4d17cd9c8f9d | 623 | if( decode_gettag( orig, "to: ", to ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 624 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 625 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 626 | } |
| klauss | 0:4d17cd9c8f9d | 627 | if( decode_gettag( orig, "from: ", from ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 628 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 629 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 630 | } |
| klauss | 0:4d17cd9c8f9d | 631 | if( decode_gettag( orig, "call-id: ", callid ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 632 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 633 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 634 | } |
| klauss | 0:4d17cd9c8f9d | 635 | decode_branch( orig, branch ); |
| klauss | 0:4d17cd9c8f9d | 636 | decode_cseq( orig, cseq ); |
| klauss | 0:4d17cd9c8f9d | 637 | |
| klauss | 0:4d17cd9c8f9d | 638 | if( strlen( via ) > 6 ) { |
| klauss | 0:4d17cd9c8f9d | 639 | if( strcasecmp( ";rport", via+strlen( via )-6) == 0) { |
| klauss | 0:4d17cd9c8f9d | 640 | via[strlen(via)-6] = 0; |
| klauss | 0:4d17cd9c8f9d | 641 | } |
| klauss | 0:4d17cd9c8f9d | 642 | } |
| klauss | 0:4d17cd9c8f9d | 643 | strcpy( buffer, "ACK sip:" ); |
| klauss | 0:4d17cd9c8f9d | 644 | itoa( this->peer_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 645 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 646 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 647 | strcat( buffer, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 648 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 649 | itoa( this->server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 650 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 651 | strcat( buffer, " SIP/2.0\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 652 | strcat( buffer, "Via: SIP/2.0/UDP " ); |
| klauss | 0:4d17cd9c8f9d | 653 | strcat( buffer, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 654 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 655 | itoa( this->my_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 656 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 657 | strcat( buffer, ";branch=" ); |
| klauss | 0:4d17cd9c8f9d | 658 | strcat( buffer, branch ); |
| klauss | 0:4d17cd9c8f9d | 659 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 660 | strcat( buffer, "From: " ); |
| klauss | 0:4d17cd9c8f9d | 661 | strcat( buffer, from ); |
| klauss | 0:4d17cd9c8f9d | 662 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 663 | strcat( buffer, "To: " ); |
| klauss | 0:4d17cd9c8f9d | 664 | strcat( buffer, to ); |
| klauss | 0:4d17cd9c8f9d | 665 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 666 | strcat( buffer, "Call-ID: " ); |
| klauss | 0:4d17cd9c8f9d | 667 | strcat( buffer, callid ); |
| klauss | 0:4d17cd9c8f9d | 668 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 669 | strcat( buffer, "CSeq: " ); |
| klauss | 0:4d17cd9c8f9d | 670 | strcat( buffer, cseq ); |
| klauss | 0:4d17cd9c8f9d | 671 | strcat( buffer, " ACK\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 672 | strcat( buffer, "Max-Forwards: 70\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 673 | strcat( buffer, "Contact: " ); |
| klauss | 0:4d17cd9c8f9d | 674 | itoa( this->my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 675 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 676 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 677 | itoa( this->my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 678 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 679 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 680 | strcat( buffer, this->my_ip ); |
| klauss | 0:4d17cd9c8f9d | 681 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 682 | itoa( this->my_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 683 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 684 | strcat( buffer, ">\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 685 | strcat( buffer, "User-Agent: VZtech/pabxdriver-" ); |
| klauss | 0:4d17cd9c8f9d | 686 | strcat( buffer, SVNREV ); |
| klauss | 0:4d17cd9c8f9d | 687 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 688 | strcat( buffer, "Content-Length: 0\r\n\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 689 | buffer[SIP_MAXMSGSIZE-1] = 0; |
| klauss | 0:4d17cd9c8f9d | 690 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 691 | } |
| klauss | 0:4d17cd9c8f9d | 692 | |
| klauss | 0:4d17cd9c8f9d | 693 | int Sip::get_return_code( char * buffer ){ |
| klauss | 0:4d17cd9c8f9d | 694 | char a[32]; |
| klauss | 0:4d17cd9c8f9d | 695 | int i = 0, j; |
| klauss | 0:4d17cd9c8f9d | 696 | if( strncmp( "SIP/", buffer, 4 ) != 0 ) return 0; |
| klauss | 0:4d17cd9c8f9d | 697 | if( strlen( buffer ) < 32) return 0; |
| klauss | 0:4d17cd9c8f9d | 698 | strncpy( a, buffer, 31 ); |
| klauss | 0:4d17cd9c8f9d | 699 | a[ 31 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 700 | while ( a[ i ] > ' ') i++; |
| klauss | 0:4d17cd9c8f9d | 701 | j = i+i; |
| klauss | 0:4d17cd9c8f9d | 702 | while( (a[ j ] >= '0') && ( a[ j ] <= '9') ) j++; |
| klauss | 0:4d17cd9c8f9d | 703 | a[ j ] = 0; |
| klauss | 0:4d17cd9c8f9d | 704 | return atoi( a + i + 1 ); |
| klauss | 0:4d17cd9c8f9d | 705 | } |
| klauss | 0:4d17cd9c8f9d | 706 | |
| klauss | 0:4d17cd9c8f9d | 707 | char * Sip::build_generic_reply_package(char * buffer, unsigned char * orig, char * tag){ |
| klauss | 0:4d17cd9c8f9d | 708 | char to[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 709 | char from[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 710 | char callid[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 711 | char cseq[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 712 | char via[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 713 | |
| klauss | 0:4d17cd9c8f9d | 714 | if( decode_gettag( orig, "to: ", to ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 715 | buffer[0] = 0; |
| klauss | 0:4d17cd9c8f9d | 716 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 717 | } |
| klauss | 0:4d17cd9c8f9d | 718 | if( decode_gettag( orig, "from: ", from ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 719 | buffer[0] = 0; |
| klauss | 0:4d17cd9c8f9d | 720 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 721 | } |
| klauss | 0:4d17cd9c8f9d | 722 | if( decode_gettag( orig, "call-id: ", callid ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 723 | buffer[0] = 0; |
| klauss | 0:4d17cd9c8f9d | 724 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 725 | } |
| klauss | 0:4d17cd9c8f9d | 726 | if( decode_gettag( orig, "cseq: ", cseq ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 727 | buffer[0] = 0; |
| klauss | 0:4d17cd9c8f9d | 728 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 729 | } |
| klauss | 0:4d17cd9c8f9d | 730 | if( decode_gettag( orig, "via: ", via ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 731 | buffer[0] = 0; |
| klauss | 0:4d17cd9c8f9d | 732 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 733 | } |
| klauss | 0:4d17cd9c8f9d | 734 | |
| klauss | 0:4d17cd9c8f9d | 735 | if (strlen(via) > 6) { |
| klauss | 0:4d17cd9c8f9d | 736 | if (strcasecmp(";rport",via+strlen(via)-6)==0) { |
| klauss | 0:4d17cd9c8f9d | 737 | via[strlen(via)-6] = 0; |
| klauss | 0:4d17cd9c8f9d | 738 | } |
| klauss | 0:4d17cd9c8f9d | 739 | } |
| klauss | 0:4d17cd9c8f9d | 740 | |
| klauss | 0:4d17cd9c8f9d | 741 | strcpy( buffer, "SIP/2.0 " ); |
| klauss | 0:4d17cd9c8f9d | 742 | strcat( buffer, tag ); |
| klauss | 0:4d17cd9c8f9d | 743 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 744 | strcat( buffer, "To: " ); |
| klauss | 0:4d17cd9c8f9d | 745 | strcat( buffer, to ); |
| klauss | 0:4d17cd9c8f9d | 746 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 747 | strcat( buffer, "From: " ); |
| klauss | 0:4d17cd9c8f9d | 748 | strcat( buffer, from ); |
| klauss | 0:4d17cd9c8f9d | 749 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 750 | strcat( buffer, "Call-ID: " ); |
| klauss | 0:4d17cd9c8f9d | 751 | strcat( buffer, callid ); |
| klauss | 0:4d17cd9c8f9d | 752 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 753 | strcat( buffer, "CSeq: " ); |
| klauss | 0:4d17cd9c8f9d | 754 | strcat( buffer, cseq ); |
| klauss | 0:4d17cd9c8f9d | 755 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 756 | strcat( buffer, "Via: " ); |
| klauss | 0:4d17cd9c8f9d | 757 | strcat( buffer, via ); |
| klauss | 0:4d17cd9c8f9d | 758 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 759 | strcat( buffer, "Server: VZtech/pabxdriver-" ); |
| klauss | 0:4d17cd9c8f9d | 760 | strcat( buffer, SVNREV ); |
| klauss | 0:4d17cd9c8f9d | 761 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 762 | strcat( buffer, "Content-Length: 0\r\n\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 763 | buffer[ SIP_MAXMSGSIZE - 1 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 764 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 765 | } |
| klauss | 0:4d17cd9c8f9d | 766 | char * Sip::build_trying_package( char * buffer, unsigned char * orig ){ |
| klauss | 0:4d17cd9c8f9d | 767 | // FIXME trocar 100 para itoa( 100 ... ) |
| klauss | 0:4d17cd9c8f9d | 768 | build_generic_reply_package( buffer, orig, "100 Trying" ); |
| klauss | 0:4d17cd9c8f9d | 769 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 770 | } |
| klauss | 0:4d17cd9c8f9d | 771 | |
| klauss | 0:4d17cd9c8f9d | 772 | char * Sip::build_busy_package( char * buffer, unsigned char * orig ){ |
| klauss | 0:4d17cd9c8f9d | 773 | // FIXME trocar 100 para itoa( 100 ... ) |
| klauss | 0:4d17cd9c8f9d | 774 | build_generic_reply_package( buffer, orig, "486 Busy Here"); |
| klauss | 0:4d17cd9c8f9d | 775 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 776 | } |
| klauss | 0:4d17cd9c8f9d | 777 | char * Sip::build_reply_package( char * buffer, unsigned char * orig ){ |
| klauss | 0:4d17cd9c8f9d | 778 | char to[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 779 | char from[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 780 | char callid[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 781 | char cseq[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 782 | char via[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 783 | char tag[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 784 | |
| klauss | 0:4d17cd9c8f9d | 785 | if( decode_gettag( orig, "to: ", to ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 786 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 787 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 788 | } |
| klauss | 0:4d17cd9c8f9d | 789 | if( decode_gettag( orig, "from: ", from ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 790 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 791 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 792 | } |
| klauss | 0:4d17cd9c8f9d | 793 | if( decode_gettag( orig, "call-id: ", callid ) == 0 ) { |
| klauss | 0:4d17cd9c8f9d | 794 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 795 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 796 | } |
| klauss | 0:4d17cd9c8f9d | 797 | if( decode_gettag( orig, "cseq: ", cseq) == 0 ) { |
| klauss | 0:4d17cd9c8f9d | 798 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 799 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 800 | } |
| klauss | 0:4d17cd9c8f9d | 801 | if( decode_gettag( orig, "via: ", via) == 0 ) { |
| klauss | 0:4d17cd9c8f9d | 802 | buffer[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 803 | return NULL; |
| klauss | 0:4d17cd9c8f9d | 804 | } |
| klauss | 0:4d17cd9c8f9d | 805 | |
| klauss | 0:4d17cd9c8f9d | 806 | if (strlen(via) > 6) { |
| klauss | 0:4d17cd9c8f9d | 807 | if (strcasecmp(";rport",via+strlen(via)-6)==0) { |
| klauss | 0:4d17cd9c8f9d | 808 | via[strlen(via)-6] = 0; |
| klauss | 0:4d17cd9c8f9d | 809 | } |
| klauss | 0:4d17cd9c8f9d | 810 | } |
| klauss | 0:4d17cd9c8f9d | 811 | fill_random(tag,18); |
| klauss | 0:4d17cd9c8f9d | 812 | |
| klauss | 0:4d17cd9c8f9d | 813 | strcpy( buffer, "SIP/2.0 200 OK\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 814 | strcat( buffer, "To: " ); |
| klauss | 0:4d17cd9c8f9d | 815 | strcat( buffer, to ); |
| klauss | 0:4d17cd9c8f9d | 816 | strcat( buffer, ";tag=" ); |
| klauss | 0:4d17cd9c8f9d | 817 | strcat( buffer, tag ); |
| klauss | 0:4d17cd9c8f9d | 818 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 819 | |
| klauss | 0:4d17cd9c8f9d | 820 | strcat( buffer, "From: " ); |
| klauss | 0:4d17cd9c8f9d | 821 | strcat( buffer, from ); |
| klauss | 0:4d17cd9c8f9d | 822 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 823 | |
| klauss | 0:4d17cd9c8f9d | 824 | strcat( buffer, "Call-ID: " ); |
| klauss | 0:4d17cd9c8f9d | 825 | strcat( buffer, callid ); |
| klauss | 0:4d17cd9c8f9d | 826 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 827 | |
| klauss | 0:4d17cd9c8f9d | 828 | strcat( buffer, "CSeq: " ); |
| klauss | 0:4d17cd9c8f9d | 829 | strcat( buffer, cseq ); |
| klauss | 0:4d17cd9c8f9d | 830 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 831 | |
| klauss | 0:4d17cd9c8f9d | 832 | strcat( buffer, "Via: " ); |
| klauss | 0:4d17cd9c8f9d | 833 | strcat( buffer, via ); |
| klauss | 0:4d17cd9c8f9d | 834 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 835 | |
| klauss | 0:4d17cd9c8f9d | 836 | strcat( buffer, "Server: VZtech/pabxdriver-" ); |
| klauss | 0:4d17cd9c8f9d | 837 | strcat( buffer, SVNREV ); |
| klauss | 0:4d17cd9c8f9d | 838 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 839 | strcat( buffer, "Content-Length: 0\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 840 | strcat( buffer, SIP_ALLOW ); |
| klauss | 0:4d17cd9c8f9d | 841 | strcat( buffer, "\r\n\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 842 | |
| klauss | 0:4d17cd9c8f9d | 843 | buffer[ SIP_MAXMSGSIZE - 1 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 844 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 845 | } |
| klauss | 0:4d17cd9c8f9d | 846 | char * Sip::fill_random16h(char * buffer ){ |
| klauss | 0:4d17cd9c8f9d | 847 | fill_random( buffer, 16 ); |
| klauss | 0:4d17cd9c8f9d | 848 | buffer[ 7 ] = '-'; |
| klauss | 0:4d17cd9c8f9d | 849 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 850 | } |
| klauss | 0:4d17cd9c8f9d | 851 | |
| klauss | 0:4d17cd9c8f9d | 852 | char * Sip::fill_random( char * buffer, int size ){ |
| klauss | 0:4d17cd9c8f9d | 853 | static uint16_t seed = time( NULL ); |
| klauss | 0:4d17cd9c8f9d | 854 | seed += 1; |
| klauss | 0:4d17cd9c8f9d | 855 | srand( seed ); |
| klauss | 0:4d17cd9c8f9d | 856 | |
| klauss | 0:4d17cd9c8f9d | 857 | int i; |
| klauss | 0:4d17cd9c8f9d | 858 | for (i=0; i<size; i++) { |
| klauss | 0:4d17cd9c8f9d | 859 | buffer[ i ] = fill_random_aux[ rand() & 0x3f ]; |
| klauss | 0:4d17cd9c8f9d | 860 | } |
| klauss | 0:4d17cd9c8f9d | 861 | buffer[ size ] = 0; |
| klauss | 0:4d17cd9c8f9d | 862 | return( buffer ); |
| klauss | 0:4d17cd9c8f9d | 863 | } |
| klauss | 0:4d17cd9c8f9d | 864 | |
| klauss | 0:4d17cd9c8f9d | 865 | int Sip::get_cseq( void ){ |
| klauss | 0:4d17cd9c8f9d | 866 | static unsigned int cseq = 0; |
| klauss | 0:4d17cd9c8f9d | 867 | if( cseq == 0 ) { |
| klauss | 0:4d17cd9c8f9d | 868 | /* initial value, random number */ |
| klauss | 0:4d17cd9c8f9d | 869 | cseq = rand(); |
| klauss | 0:4d17cd9c8f9d | 870 | cseq &= 0x7fff; |
| klauss | 0:4d17cd9c8f9d | 871 | } |
| klauss | 0:4d17cd9c8f9d | 872 | cseq++; |
| klauss | 0:4d17cd9c8f9d | 873 | cseq &= 0x7fff; |
| klauss | 0:4d17cd9c8f9d | 874 | if( cseq == 0 ) cseq++; |
| klauss | 0:4d17cd9c8f9d | 875 | return cseq; |
| klauss | 0:4d17cd9c8f9d | 876 | } |
| klauss | 0:4d17cd9c8f9d | 877 | |
| klauss | 0:4d17cd9c8f9d | 878 | char * Sip::decode_cseq( unsigned char * package, char * cseq ){ |
| klauss | 0:4d17cd9c8f9d | 879 | char pkg[ 2048 ], cs[ 2048 ]; |
| klauss | 0:4d17cd9c8f9d | 880 | if( decode_gettag( package, "cseq: ", pkg ) != 0) { |
| klauss | 0:4d17cd9c8f9d | 881 | int i = 0; |
| klauss | 0:4d17cd9c8f9d | 882 | strcpy( cs, pkg ); |
| klauss | 0:4d17cd9c8f9d | 883 | while( ( cs[ i ] != 0 ) && ( cs[ i ] != ' ' ) ) i++; |
| klauss | 0:4d17cd9c8f9d | 884 | cs[ i ] = 0; |
| klauss | 0:4d17cd9c8f9d | 885 | strcpy( cseq, cs ); |
| klauss | 0:4d17cd9c8f9d | 886 | } else { |
| klauss | 0:4d17cd9c8f9d | 887 | cseq[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 888 | } |
| klauss | 0:4d17cd9c8f9d | 889 | return( cseq ); |
| klauss | 0:4d17cd9c8f9d | 890 | } |
| klauss | 0:4d17cd9c8f9d | 891 | |
| klauss | 0:4d17cd9c8f9d | 892 | char * Sip::decode_branch( unsigned char * package, char * branch ){ |
| klauss | 0:4d17cd9c8f9d | 893 | char pkg[ 2048 ]; |
| klauss | 0:4d17cd9c8f9d | 894 | if( decode_gettag( package, "branch=", pkg ) != 0 ) { |
| klauss | 0:4d17cd9c8f9d | 895 | int i = 0; |
| klauss | 0:4d17cd9c8f9d | 896 | strcpy( branch, pkg ); |
| klauss | 0:4d17cd9c8f9d | 897 | while( ( branch[ i ] != 0 ) && ( branch[ i ] != ';' ) ) i++; |
| klauss | 0:4d17cd9c8f9d | 898 | branch[ i ] = 0; |
| klauss | 0:4d17cd9c8f9d | 899 | } else { |
| klauss | 0:4d17cd9c8f9d | 900 | branch[ 0 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 901 | } |
| klauss | 0:4d17cd9c8f9d | 902 | return( branch ); |
| klauss | 0:4d17cd9c8f9d | 903 | } |
| klauss | 0:4d17cd9c8f9d | 904 | int Sip::decode_gettag( unsigned char * package, char * tag, char * out ){ |
| klauss | 0:4d17cd9c8f9d | 905 | int size, i, cmpsize; |
| klauss | 0:4d17cd9c8f9d | 906 | cmpsize = strlen( tag ); |
| klauss | 0:4d17cd9c8f9d | 907 | size = strlen( ( char * )package )-cmpsize; |
| klauss | 0:4d17cd9c8f9d | 908 | for ( i=0; i<size; i++) { |
| klauss | 0:4d17cd9c8f9d | 909 | if( strncasecmp( tag, (char*)package+i, cmpsize ) == 0) { |
| klauss | 0:4d17cd9c8f9d | 910 | char * s; |
| klauss | 0:4d17cd9c8f9d | 911 | s = (char*)package+i+cmpsize; |
| klauss | 0:4d17cd9c8f9d | 912 | register int j = 0; |
| klauss | 0:4d17cd9c8f9d | 913 | while ((s[ j ] != '\r') && (s[ j ] != '\n')) j++; |
| klauss | 0:4d17cd9c8f9d | 914 | strncpy( out, s, j ); // copy string to output |
| klauss | 0:4d17cd9c8f9d | 915 | out[ j ] = 0; // terminate string |
| klauss | 0:4d17cd9c8f9d | 916 | return 1; // found |
| klauss | 0:4d17cd9c8f9d | 917 | } |
| klauss | 0:4d17cd9c8f9d | 918 | } |
| klauss | 0:4d17cd9c8f9d | 919 | return 0; // not found |
| klauss | 0:4d17cd9c8f9d | 920 | } |
| klauss | 0:4d17cd9c8f9d | 921 | |
| klauss | 0:4d17cd9c8f9d | 922 | int Sip::get_id( void ){ |
| klauss | 0:4d17cd9c8f9d | 923 | return this->id; |
| klauss | 0:4d17cd9c8f9d | 924 | } |
| klauss | 0:4d17cd9c8f9d | 925 | int Sip::get_my_rtp_port( void ){ |
| klauss | 0:4d17cd9c8f9d | 926 | return this->my_rtp_port; |
| klauss | 0:4d17cd9c8f9d | 927 | } |
| klauss | 0:4d17cd9c8f9d | 928 | inline int Sip::fill_random_rtp_port(){ |
| klauss | 0:4d17cd9c8f9d | 929 | // o range [ 16384 - 32767 ] eh configuravel no server |
| klauss | 0:4d17cd9c8f9d | 930 | return ( ( this->my_ext + 16384 ) > 32767 ) ? ( ( this->my_ext + 16384 ) % ( 32767 - 16384 ) + 16384 ) : this->my_ext + 16384; |
| klauss | 0:4d17cd9c8f9d | 931 | } |
| klauss | 0:4d17cd9c8f9d | 932 | |
| klauss | 0:4d17cd9c8f9d | 933 | void Sip::change_sip_server(){ |
| klauss | 0:4d17cd9c8f9d | 934 | // just in case sip server don't answer, invite another server |
| klauss | 0:4d17cd9c8f9d | 935 | // mudar para os sets |
| klauss | 0:4d17cd9c8f9d | 936 | set_server_ip( get_next_server_ip( this->buffer) ); |
| klauss | 0:4d17cd9c8f9d | 937 | set_server_ext( get_next_server_ext() ); |
| klauss | 0:4d17cd9c8f9d | 938 | set_server_port( get_next_server_port() ); |
| klauss | 0:4d17cd9c8f9d | 939 | registry(); |
| klauss | 0:4d17cd9c8f9d | 940 | } |
| klauss | 0:4d17cd9c8f9d | 941 | |
| klauss | 0:4d17cd9c8f9d | 942 | char * Sip::get_next_server_ip( char * server_ip ){ |
| klauss | 0:4d17cd9c8f9d | 943 | strcpy( server_ip, this->server_ip ); |
| klauss | 0:4d17cd9c8f9d | 944 | return server_ip; |
| klauss | 0:4d17cd9c8f9d | 945 | } |
| klauss | 0:4d17cd9c8f9d | 946 | int Sip::get_next_server_port(){ |
| klauss | 0:4d17cd9c8f9d | 947 | return this->server_port; |
| klauss | 0:4d17cd9c8f9d | 948 | } |
| klauss | 0:4d17cd9c8f9d | 949 | int Sip::get_next_server_ext(){ |
| klauss | 0:4d17cd9c8f9d | 950 | return this->peer_ext; |
| klauss | 0:4d17cd9c8f9d | 951 | } |
| klauss | 0:4d17cd9c8f9d | 952 | void Sip::set_server_port( int new_server_port ){ |
| klauss | 0:4d17cd9c8f9d | 953 | this->server_port = new_server_port; |
| klauss | 0:4d17cd9c8f9d | 954 | } |
| klauss | 0:4d17cd9c8f9d | 955 | void Sip::set_server_ext( int new_server_ext ){ |
| klauss | 0:4d17cd9c8f9d | 956 | this->peer_ext = new_server_ext; |
| klauss | 0:4d17cd9c8f9d | 957 | } |
| klauss | 0:4d17cd9c8f9d | 958 | void Sip::set_server_ip( char * new_server_ip ){ |
| klauss | 0:4d17cd9c8f9d | 959 | strcpy( this->server_ip, new_server_ip ); |
| klauss | 0:4d17cd9c8f9d | 960 | this->server_ip[19] = 0; |
| klauss | 0:4d17cd9c8f9d | 961 | } |
| klauss | 0:4d17cd9c8f9d | 962 | |
| klauss | 0:4d17cd9c8f9d | 963 | /* Retorna |
| klauss | 0:4d17cd9c8f9d | 964 | = 0 :: ok |
| klauss | 0:4d17cd9c8f9d | 965 | < 0 :: tive problemas |
| klauss | 0:4d17cd9c8f9d | 966 | > 0 :: devo remover essa call do vetor de calls |
| klauss | 0:4d17cd9c8f9d | 967 | */ |
| klauss | 0:4d17cd9c8f9d | 968 | int Sip::listen_SIP_server( void ){ |
| klauss | 0:4d17cd9c8f9d | 969 | sock.set_blocking( false, 3 ); // verificar isso com mais cuidado depois |
| klauss | 0:4d17cd9c8f9d | 970 | uint8_t read = sock.receiveFrom( sip_server, this->buffer, sizeof( this->buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 971 | if( read > 0 ){ |
| klauss | 0:4d17cd9c8f9d | 972 | debug_msg( "-- SIP recebeu algo --" ); |
| klauss | 0:4d17cd9c8f9d | 973 | if( !( strncasecmp( buffer, "bye", strlen("bye") ) ) ){ |
| klauss | 0:4d17cd9c8f9d | 974 | char ans[ 2000 ]; |
| klauss | 0:4d17cd9c8f9d | 975 | build_reply_package( ans, (unsigned char*)buffer ); |
| klauss | 0:4d17cd9c8f9d | 976 | sock.sendTo( sip_server, ans, sizeof( ans ) ); |
| klauss | 0:4d17cd9c8f9d | 977 | |
| klauss | 0:4d17cd9c8f9d | 978 | debug_msg(" Server request BYE to %d ext", my_ext ); |
| klauss | 0:4d17cd9c8f9d | 979 | return( this->my_ext ); |
| klauss | 0:4d17cd9c8f9d | 980 | }else if( !( strncasecmp( buffer, "options", strlen("options") ) ) ){ |
| klauss | 0:4d17cd9c8f9d | 981 | char ans[ 2000 ]; |
| klauss | 0:4d17cd9c8f9d | 982 | debug_msg(" Options received "); |
| klauss | 0:4d17cd9c8f9d | 983 | build_reply_package( ans, (unsigned char*)buffer ); |
| klauss | 0:4d17cd9c8f9d | 984 | sock.sendTo( sip_server, ans, sizeof( ans ) ); |
| klauss | 0:4d17cd9c8f9d | 985 | } |
| klauss | 0:4d17cd9c8f9d | 986 | } |
| klauss | 0:4d17cd9c8f9d | 987 | return( 0 ); |
| klauss | 0:4d17cd9c8f9d | 988 | } |
| klauss | 0:4d17cd9c8f9d | 989 | |
| klauss | 0:4d17cd9c8f9d | 990 | void Sip::set_ext( int ext ){ |
| klauss | 0:4d17cd9c8f9d | 991 | my_ext = ext; |
| klauss | 0:4d17cd9c8f9d | 992 | } |
| klauss | 0:4d17cd9c8f9d | 993 | |
| klauss | 0:4d17cd9c8f9d | 994 | void Sip::set_port( int port ){ |
| klauss | 0:4d17cd9c8f9d | 995 | my_port = port; |
| klauss | 0:4d17cd9c8f9d | 996 | } |
| klauss | 0:4d17cd9c8f9d | 997 | |
| klauss | 0:4d17cd9c8f9d | 998 | void Sip::send_bye( void ){ |
| klauss | 0:4d17cd9c8f9d | 999 | build_bye_package( this->buffer ); |
| klauss | 0:4d17cd9c8f9d | 1000 | sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 1001 | } |
| klauss | 0:4d17cd9c8f9d | 1002 | |
| klauss | 0:4d17cd9c8f9d | 1003 | void Sip::send_unregistry_pkg(){ |
| klauss | 0:4d17cd9c8f9d | 1004 | build_unregistry_package( this->buffer ); |
| klauss | 0:4d17cd9c8f9d | 1005 | for( register int i = 0; i < 7; i++ ) |
| klauss | 0:4d17cd9c8f9d | 1006 | sock.sendTo( sip_server, build_bye_package( this->buffer ), sizeof( this->buffer ) ); |
| klauss | 0:4d17cd9c8f9d | 1007 | } |
| klauss | 0:4d17cd9c8f9d | 1008 | |
| klauss | 0:4d17cd9c8f9d | 1009 | char * Sip::build_unregistry_package( char * buffer ){ |
| klauss | 0:4d17cd9c8f9d | 1010 | char branch[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 1011 | char tag[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 1012 | char callid[ SIP_MAXFIELDSIZE ]; |
| klauss | 0:4d17cd9c8f9d | 1013 | fill_random16h( branch ); |
| klauss | 0:4d17cd9c8f9d | 1014 | fill_random( tag, 18 ); |
| klauss | 0:4d17cd9c8f9d | 1015 | fill_random16h( callid ); |
| klauss | 0:4d17cd9c8f9d | 1016 | char itoa_buffer[ 65 ]; |
| klauss | 0:4d17cd9c8f9d | 1017 | strcpy( buffer, "REGISTER sip:" ); |
| klauss | 0:4d17cd9c8f9d | 1018 | strcat( buffer, server_ip ); |
| klauss | 0:4d17cd9c8f9d | 1019 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 1020 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1021 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1022 | strcat( buffer, " SIP/2.0\r\nVia: SIP/2.0/UDP " ); |
| klauss | 0:4d17cd9c8f9d | 1023 | strcat( buffer, my_ip ); |
| klauss | 0:4d17cd9c8f9d | 1024 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 1025 | itoa( my_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1026 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1027 | strcat( buffer, ";branch=" ); |
| klauss | 0:4d17cd9c8f9d | 1028 | strcat( buffer, branch ); |
| klauss | 0:4d17cd9c8f9d | 1029 | strcat( buffer, "\r\nFrom: " ); |
| klauss | 0:4d17cd9c8f9d | 1030 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1031 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1032 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 1033 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1034 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 1035 | strcat( buffer, server_ip ); |
| klauss | 0:4d17cd9c8f9d | 1036 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 1037 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1038 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1039 | strcat( buffer, ">;tag=" ); |
| klauss | 0:4d17cd9c8f9d | 1040 | strcat( buffer, tag ); |
| klauss | 0:4d17cd9c8f9d | 1041 | strcat( buffer, "\r\nTo: " ); |
| klauss | 0:4d17cd9c8f9d | 1042 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1043 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1044 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 1045 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1046 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1047 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 1048 | strcat( buffer, server_ip ); |
| klauss | 0:4d17cd9c8f9d | 1049 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 1050 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1051 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1052 | strcat( buffer, ">\r\nCall-ID: " ); |
| klauss | 0:4d17cd9c8f9d | 1053 | strcat( buffer, callid ); |
| klauss | 0:4d17cd9c8f9d | 1054 | strcat( buffer, "\r\nCSeq: " ); |
| klauss | 0:4d17cd9c8f9d | 1055 | itoa( get_cseq(), itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1056 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1057 | strcat( buffer, " REGISTER\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 1058 | strcat( buffer, "Max-Forwards: " ); |
| klauss | 0:4d17cd9c8f9d | 1059 | itoa( 70, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1060 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1061 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 1062 | |
| klauss | 0:4d17cd9c8f9d | 1063 | strcat( buffer, "Contact: " ); |
| klauss | 0:4d17cd9c8f9d | 1064 | itoa( my_ext, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1065 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1066 | strcat( buffer, " <sip:" ); |
| klauss | 0:4d17cd9c8f9d | 1067 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1068 | strcat( buffer, "@" ); |
| klauss | 0:4d17cd9c8f9d | 1069 | strcat( buffer, my_ip ); |
| klauss | 0:4d17cd9c8f9d | 1070 | strcat( buffer, ":" ); |
| klauss | 0:4d17cd9c8f9d | 1071 | itoa( server_port, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1072 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1073 | strcat( buffer, ">;expires=0\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 1074 | /* |
| klauss | 0:4d17cd9c8f9d | 1075 | strcat( buffer, ">;expires=" ); |
| klauss | 0:4d17cd9c8f9d | 1076 | itoa( 0, itoa_buffer, 10 ); |
| klauss | 0:4d17cd9c8f9d | 1077 | strcat( buffer, itoa_buffer ); |
| klauss | 0:4d17cd9c8f9d | 1078 | strcat( buffer, "\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 1079 | */ |
| klauss | 0:4d17cd9c8f9d | 1080 | |
| klauss | 0:4d17cd9c8f9d | 1081 | strcat( buffer, "User-Agent: VZtech/pabxdriver-" ); |
| klauss | 0:4d17cd9c8f9d | 1082 | strcat( buffer, SVNREV ); |
| klauss | 0:4d17cd9c8f9d | 1083 | strcat( buffer, "\r\nContent-Length: 0\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 1084 | strcat( buffer, SIP_ALLOW ); |
| klauss | 0:4d17cd9c8f9d | 1085 | strcat( buffer, "\r\n\r\n" ); |
| klauss | 0:4d17cd9c8f9d | 1086 | buffer[ SIP_MAXMSGSIZE - 1 ] = 0; |
| klauss | 0:4d17cd9c8f9d | 1087 | return buffer; |
| klauss | 0:4d17cd9c8f9d | 1088 | } |