SocketStatus NetworkManager::receive(sf::Packet& PacketToReceive)
{
// initialize pendingPacket
std::vector<char> myPendingPacket;
myPendingPacket.clear();
// We start by getting the size of the incoming packet
sf::Uint32 PacketSize = 0;
std::size_t Received = 0;
PacketSize =receiveB<sf::Uint32>();
PacketSize = ntohl(PacketSize);
// Then loop until we receive all the packet data
char Buffer[1024];
while (myPendingPacket.size() < PacketSize)
{
// Receive a chunk of data
std::size_t SizeToGet = std::min(static_cast<std::size_t>(PacketSize - myPendingPacket.size()), sizeof(Buffer));
SocketStatus Status = Receive(Buffer, SizeToGet, Received);
if (Status != Done)
{
throw std::runtime_error("Network : receive packet : receive of information didn't worked");
}
// Append it into the packet
if (Received > 0)
{
myPendingPacket.resize(myPendingPacket.size() + Received);
char* Begin = &myPendingPacket[0] + myPendingPacket.size() - Received;
memcpy(Begin, Buffer, Received);
}
}
// We have received all the datas : we can copy it to the user packet, and clear our internal packet
PacketToReceive.Clear();
if (!myPendingPacket.empty())
PacketToReceive.OnReceive(&myPendingPacket[0], myPendingPacket.size());
return Done;
}
