/// <summary>
/// Poll the socket for waiting data and parse.
/// </summary>
private void ReceiveMessages()
{
if (this.socket.Poll(POLL_TIMEOUT, SelectMode.SelectRead))
{
// Read waiting raw bytes.
int received = this.socket.Receive(this.packetBuffer, BUFFER_SIZE, SocketFlags.None);
if (received > 0)
{
int offset = 0;
while (offset < received)
{
// While we have data to read, attempt to parse the bytes into a packet.
IPacket packet;
int processed = Framing.ReadPacket(this.packetBuffer, received - offset, offset, out packet);
if (packet != null)
{
// Generic message packet (enqueue in our local message broker
if (packet.PacketHeader == Framing.HDR_PACKET)
{
Packet msgPacket = (Packet)packet;
Debug.Log(String.Format("[ServerConnection.ReceiveMessages] Got message packet containing {0} messages at timestamp {1:g}",
msgPacket.Count, DateTime.FromBinary(msgPacket.Timestamp)));
foreach (Msg msg in msgPacket)
{
// Sanity check in case server messages somehow get sent to client
if (msg.IsClient())
{
MessageBroker.Instance.Enqueue(msg);
}
}
}
// Monster packet (tell the spawn manager to create/update new monster instance)
else if (packet.PacketHeader == Framing.HDR_MONSTER)
{
MonsterPacket monPacket = (MonsterPacket)packet;
Debug.Log(String.Format("[ServerConnection.ReceiveMessages] Got monster packet containing monster instance {0}", monPacket.MonsterInstance.ObjectID));
SpawnManager.Instance.QueueMonsterUpdate(monPacket.MonsterInstance);
}
}
offset += processed;
}
}
else
{
Debug.LogWarning("[ServerConnection.ReceiveMessages] No data received. Connection lost?");
}
}
}
/// <summary>
/// Processes messages on the connected client socket. Blocks until the socket is closed.
/// </summary>
public void Process()
{
// Subscribe to the client message queue
MessageBroker.Clients.Subscribe(this);
while (true)
{
try
{
// 1. Check for data to be read
if (this.socket.Poll(POLL_WAIT, SelectMode.SelectRead))
{
int received = this.socket.Receive(readBuffer, BUFFER_SIZE, SocketFlags.None);
if (received > 0)
{
int offset = 0;
while (offset < received)
{
// If we have data, attempt to parse it into a packet
IPacket packet;
int processed = Framing.ReadPacket(readBuffer, received - offset, offset, out packet);
if (packet != null)
{
switch (packet.PacketHeader)
{
case Framing.HDR_PACKET:
Debug.WriteLine("Got a message packet with " + ((Packet)packet).Count + " messages");
HandleMessagePacket((Packet)packet);
break;
case Framing.HDR_MONSTER:
Debug.WriteLine("[ConnectedClient.Process] Client shouldn't be sending Monster packets");
break;
default:
Debug.WriteLine("[ConnectedClient.Process] Unhandled packet type: " + packet.PacketHeader);
break;
}
}
offset += processed;
}
}
else
{
// client disconnected
break;
} // if (received > 0...
} // if (this.socket.Poll...
}
catch (SocketException ex)
{
Debug.WriteLine("[ConnectedClient.Process] Socket error: " + ex.Message + " " + ex.NativeErrorCode);
break;
}
// 2. Gather up any messages to be sent
QueueMessagesToPacket();
// 3. Send data to be written
if (!SendQueuedPackets())
{
// client disconnected
break;
}
} // while (true...
// Unsubscribe from the client message queue when we're done
MessageBroker.Clients.Unsubscribe(this);
}
