int Connection::recv(inp::INFPacket& dest){
ScopedMutexLock(pimpl_->dataAccess);
//make sure thers something to recieved
if( (pimpl_->group == NULL) ||
(pimpl_->userSocket == NULL) || (pimpl_->userSocket == NULL) ||
(SDLNet_CheckSockets(pimpl_->group, 0) == -1) )
{
pimpl_->active = false;
pimpl_->connectTime = 0;
return -1;
}
if( !SDLNet_SocketReady(pimpl_->userSocket) ){ return 0; } //no activity
dest.clear();
Uint8 temp = 0;
Uint8 len_buf[2];
Uint16 len = 0;
bool recieving = true;
//get header byte
if( recvOne( &temp, 1000, false ) == -1 ){ return -1; }
// check if the header byte is a start packet
if( temp != ControlByte::START ){ return -1; }
//begin getting body of data
while( recieving ){
// This should be 2 bytes stating length of segment
for(unsigned i = 0; i < 2; ++i){
if( recvOne( &len_buf[i], 1000, false ) == -1 ){
return -1;
}
}
len = SDLNet_Read16(len_buf);
//try to get "len" amount of bytes
for(unsigned i = 0; i < len; ++i){
if( recvOne( &temp, 1000, false ) == -1 ){
return -1;
} else {
dest.data.push_back(temp);
}
}
// This shud be a wait_more/end
if( recvOne( &temp, 1000, false ) == -1 ){ return -1; }
if( (temp == ControlByte::CONTINUE ) ||
(temp == ControlByte::WAIT_MORE ) )
{
continue;
} else
// Slab already started.
// this is a malformed transmission
if( (temp == ControlByte::START) ||
(temp == ControlByte::END) ) //stop if this is the end
{
recieving = false;
} else {
// some bull shit happened here =/
recieving = false;
}
}
pimpl_->lastRecv = dest;
return 1;
}
void NetworkConnexion::recvLoop() {
while(m_running) {
recvOne();
pause(100);
}
}
