///Send data to the address specified. Returns the number of bytes sent.
int UDPSocket::SendTo( const NetAddress &remote, const IProtocol *protocol ) throw ( Error )
{
///Clear out the stream for data to be sent.
sstream.Clear();
//Use the protocol to format the pack about to be sent.
int size = protocol->FormatPacket(sstream);
int ret = sendto(socket, sstream.GetBuffer(), size, 0, remote, remote.Size());
if (ret == SOCKET_ERROR) {
if ( !blocking && WSAGetLastError() == WSAEWOULDBLOCK )
return ret; // would have blocked
///Something really went wrong.
ThrowError(Error::E_SocketError);
}
return ret;
}
///Receive Data on the socket. Stores the address of the sender in address.
///Returns a list of the messages extracted from the buffer. Users must delete list.
int UDPSocket::RecvFrom( NetAddress &remote ) throw ( Error )
{
///Clear out the stream for data to be sent.
rstream.Clear();
int size = remote.Size();
int ret = recvfrom(socket, rstream.GetBuffer(), rstream.Capacity(), 0, remote, &size);
if (ret == SOCKET_ERROR) {
if ( !blocking && WSAGetLastError() == WSAEWOULDBLOCK )
return 0; // would have blocked
///Something really went wrong.
ThrowError(Error::E_SocketError);
}
//rstream.SetWriteIndex(ret);
///Return the number of bytes received.
return ret;
}