void* comm_send_thread_start( void* data ) {
thread_t* my_info = reinterpret_cast<thread_t*>(data);
msg_t outgoing;
int error = 0;
// Send loop
// Communication hasn't been stopped
while ( my_info->state == T_STATE_ACTIVE ) {
comm_send_q.wait_and_pop( outgoing );
if ( outgoing.msg_type == MSG_T_TERMINATE ) {
break;
}
contact_list_t::iterator contact = comm_contacts.find( outgoing.dest_ID );
if ( contact == comm_contacts.end() ) {
cout << "comm_send_thread_start Unknown destination ID " << outgoing.dest_ID << endl;
continue;
}
comm_print_send_msg( outgoing );
error = ::send( contact->second.sockfd, &outgoing, sizeof(outgoing), 0 );
if ( error == -1 ) {
cout << "comm_send_thread_start Couldn't send message:\n\t";
comm_print_send_msg( outgoing );
}
}
return NULL;
}
msg_t comm_recv() {
msg_t temp;
comm_recv_q.wait_and_pop( temp );
return temp;
}
void* comm_send_thread_fun( void* data ) {
msg_t outgoing;
int error = 0;
// Send loop
// Communication hasn't been stopped
while ( comm_send_thread.state == T_STATE_ACTIVE ) {
comm_send_q.wait_and_pop( outgoing );
if ( outgoing.header == MSG_T_HALT ) {
break;
}
if ( !comm_up && (outgoing.header != MSG_T_UNREACHABLE) ) {
cout << "comm_send_thread_fun Comms are down, message not sent" << endl;
continue;
}
// Check to make sure outgoing destination is a known location and
// a socket is open for sending
contact_list_t::iterator contact = comm_contacts.find( outgoing.dest_id );
if ( contact == comm_contacts.end() ) {
cout << "comm_send_thread_fun Unknown destination ID " << outgoing.dest_id << endl;
continue;
}
else if ( contact->second.sockfd < 0 ) {
cout << "comm_send_thread_fun No open connection to destination ID " << outgoing.dest_id << endl;
continue;
}
comm_print_send_msg( outgoing );
if ( contact->second.type == SOCK_STREAM ) {
error = ::send( contact->second.sockfd, &outgoing, sizeof(outgoing), 0 );
if ( error == -1 ) {
cout << "comm_send_thread_fun Couldn't send tcp message" << endl;
}
}
else if ( contact->second.type == SOCK_DGRAM ) {
error = ::sendto( contact->second.sockfd, &outgoing, sizeof(outgoing), 0,
contact->second.server_info->ai_addr, contact->second.server_info->ai_addrlen );
if ( error == -1 ) {
cout << "comm_send_thread_fun Couldn't send udp message" << endl;
}
}
else {
cout << "comm_send_thread_fun Unknown socket type " << contact->second.type << endl;
}
}
return NULL;
}