void heap_init(align_t* memory, size_t length) {
heap = to_header(memory);
heap_size = length;
init_element(heap, length, HT_FREE);
free_list = heap;
HEAP_VALIDATE;
}
void SIPBuilder::CameraInfoAck(osip_message_t* msg,
char** rtmsg, size_t* rtlen)
{
string head_line("SIP/2.0 200 OK\r\n");
osip_via_t *via;
char* via_c = NULL;
if( !osip_list_eol (&msg->vias, 0))
{
via = (osip_via_t *) osip_list_get (&msg->vias, 0);
osip_via_to_str( via, &via_c);
}else{
return;
}
string via_header(via_c);
via_header = string("Via: ")+via_header+string("\r\n");
char* from_tag_c;
osip_from_to_str( msg->from, &from_tag_c );
string from_header(from_tag_c);
from_header = string("From: ")+from_header+string("\r\n");
char* to_tag_c;
osip_to_to_str( msg->to, &to_tag_c );
string to_header(to_tag_c);
string to_tag_num = _RandomNum();
to_header = to_header + ";tag="+to_tag_num;
to_header = string("To: ")+to_header+string("\r\n");
string call_id_num = string(msg->call_id->number);
string call_header = string("Call-ID: ")+call_id_num+("\r\n");
string cseq_num = string(msg->cseq->number);
string cseq_header = string("Cseq: ")+cseq_num+string(" MESSAGE\r\n");
string content_type_header = "Content-Type: APPLICATION/SDP\r\n";
string forwords = string("Max-Forwards: 70\r\n");
string expires = string("Expires: 3000\r\n");
string contentlenth = string("Content-Length: 0")+string("\r\n");
string cflr = string("\r\n");
string sip_msg_str = head_line + via_header + to_header + from_header
+ call_header + cseq_header + content_type_header +
forwords + expires + contentlenth + cflr;
#ifdef DEBUG
cout<<"check 200ok camerainfoack:"<<endl;
cout<<sip_msg_str<<endl;
#endif
size_t sip_len = sip_msg_str.length();
char* sip_msg_c = (char*)malloc(sizeof(char)* sip_len);
memcpy( sip_msg_c, sip_msg_str.c_str(), sip_len);
*rtmsg = sip_msg_c;
*rtlen = sip_len;
/*send 200ok, wait ack*/
return;
}
void SIPBuilder::BeenInvited( osip_message_t* msg, string port,char** rtmsg,
size_t *rtlen, int*state, struct DialogInfo &dlg_info)
{
string uac_ip = _local_ip_str_;
string uac_listen_port_str = _local_port_str_;
string local_dev_name = _dev_name_;
string head_line("SIP/2.0 200 OK\r\n");
osip_via_t *via;
char* via_c = NULL;
if( !osip_list_eol (&msg->vias, 0))
{
via = (osip_via_t *) osip_list_get (&msg->vias, 0);
osip_via_to_str( via, &via_c);
}else{
*state = -1;
return;
}
string via_header(via_c);
via_header = string("Via: ")+via_header+string("\r\n");
char* from_tag_c;
osip_from_to_str( msg->from, &from_tag_c );
string from_header(from_tag_c);
from_header = string("From: ")+from_header+string("\r\n");
char* to_tag_c;
osip_to_to_str( msg->to, &to_tag_c );
string to_header(to_tag_c);
string to_tag_num = _RandomNum();
to_header = to_header + ";tag="+to_tag_num;
to_header = string("To: ")+to_header+string("\r\n");
dlg_info.to_tag_num = to_tag_num;
string contact_header;
stringstream stream_contact_header;
stream_contact_header<<"Contact: <sip:" << local_dev_name << "@" << uac_ip << ":"<< uac_listen_port_str<<">\r\n";
contact_header = stream_contact_header.str();
string call_id_num = string(msg->call_id->number);
string call_header = string("Call-ID: ")+call_id_num+("\r\n");
string cseq_num = string(msg->cseq->number);
string cseq_header = string("Cseq: ")+cseq_num+string(" INVITE\r\n");
string content_type_header = "Content-Type: APPLICATION/SDP\r\n";
string forwords = string("Max-Forwards: 70\r\n");
string expires = string("Expires: 3000\r\n");
string sdp_msg = _sdp_builder_.toString( string("##2015"), port);
stringstream sdp_msg_length;
sdp_msg_length<< sdp_msg.length();
string contentlenth = string("Content-Length: ")+sdp_msg_length.str()+string("\r\n");
string cflr = string("\r\n");
string sip_msg_str = head_line + via_header + to_header + from_header
+ call_header + cseq_header + contact_header + content_type_header +
forwords + expires + contentlenth + cflr + sdp_msg;
#ifdef DEBUG
cout<<"check Been Invite:"<<endl;
cout<<sip_msg_str<<endl;
#endif
size_t sip_len = sip_msg_str.length();
char* sip_msg_c = (char*)malloc(sizeof(char)* sip_len);
memcpy( sip_msg_c, sip_msg_str.c_str(), sip_len);
*rtmsg = sip_msg_c;
*rtlen = sip_len;
/*send 200ok, wait ack*/
*state = 0;
return;
}
void SIPBuilder::InviteACK( osip_message_t* msg, char** rtmeg , size_t *rtlen,
int* state)
{//todo:小心内存泄漏
int pos = 0;
string request_line = "ACK sip:"+ _dev_name_ + "@" + _local_ip_str_
+ ":" + _local_port_str_ + " SIP/2.0" +"\r\n";
char* via_header_c;
int ret = ::osip_via_to_str( (osip_via_t *) osip_list_get (&msg->vias, pos), &via_header_c);
if( ret != 0 )
{
#ifdef DEBUG
cout<<"via to str error"<<endl;
#endif
*state = -1;
return;
}
string via_header("Via: ");
via_header = via_header + via_header_c + string("\r\n");
char* from_header_c;
ret = ::osip_from_to_str( msg->from, &from_header_c);
if( ret != 0 )
{
#ifdef DEBUG
cout<<"from to str error"<<endl;
#endif
*state = -1;
return;
}
string from_header("From: ");
from_header = from_header + from_header_c+ string("\r\n");
char* to_header_c;
ret = ::osip_to_to_str( msg->to, &to_header_c);
if( ret != 0 )
{
#ifdef DEBUG
cout<<"to to str error"<<endl;
#endif
*state = -1;
return;
}
string to_header("To: ");
to_header = to_header + to_header_c + string("\r\n");
char* callid_header_c;
ret = ::osip_call_id_to_str( msg->call_id, &callid_header_c);
if( ret != 0 )
{
#ifdef DEBUG
cout<<"to to str error"<<endl;
#endif
*state = -1;
return;
}
string callid_header("Call-ID: ");
callid_header = callid_header + callid_header_c + string("\r\n");
string contact_heaer = "Contact: <sip:"+ _dev_name_ + "@" + _local_ip_str_ + ":" + _local_port_str_ +">"+"\r\n";
string cseq_header ="CSeq: 20 ACK\r\n";
string forwords = string("Max-Forwards: 70\r\n");
string expires = string("Expires: 3000\r\n");
string cflr = string("\r\n");
string sip_msg_str = request_line + via_header + from_header + to_header + callid_header
+ contact_heaer + cseq_header + forwords + expires + cflr;
size_t sip_len = sip_msg_str.length();
char* sip_msg_c = (char*)malloc(sizeof(char)* sip_len);
memcpy( sip_msg_c, sip_msg_str.c_str(), sip_len);
*rtmeg = sip_msg_c;
*rtlen = sip_len;
*state = 1;
#ifdef DEBUG
cout<<"invite ack meg'string :\n"<<*rtmeg << endl;
#endif
return;
}
