// This function is meant to be run in its own thread
// and will populate the _incomingMessages queue
private void _networkRun()
{
while (_running.Value)
{
bool canRead = _udpClient.Available > 0;
int numToWrite = _outgoingMessages.Count;
// Get data if there is some
if (canRead)
{
// Read in one datagram
IPEndPoint ep = new IPEndPoint(IPAddress.Any, 0);
byte[] data = _udpClient.Receive(ref ep); // Blocks
// Enque a new message
NetworkMessage nm = new NetworkMessage();
nm.Sender = ep;
nm.Packet = new Packet(data);
nm.ReceiveTime = DateTime.Now;
_incomingMessages.Enqueue(nm);
//Console.WriteLine("RCVD: {0}", nm.Packet);
}
// Write out queued
for (int i = 0; i < numToWrite; i++)
{
// Send some data
Packet packet;
bool have = _outgoingMessages.TryDequeue(out packet);
if (have)
{
packet.Send(_udpClient);
}
//Console.WriteLine("SENT: {0}", packet);
}
// If Nothing happened, take a nap
if (!canRead && (numToWrite == 0))
{
Thread.Sleep(1);
}
}
// Check to see if a bye was requested, one last operation
if (_sendBye.Value)
{
ByePacket bp = new ByePacket();
bp.Send(_udpClient);
Thread.Sleep(1000); // Needs some time to send through
}
}
// This function is meant to be run in its own thread
// Is writes and reads Packets to/from the UdpClient
private void _networkRun()
{
if (!_running.Value)
{
return;
}
Console.WriteLine("[Server] Waiting for UDP datagrams on port {0}", Port);
while (_running.Value)
{
bool canRead = _udpClient.Available > 0;
int numToWrite = _outgoingMessages.Count;
int numToDisconnect = _sendByePacketTo.Count;
// Get data if there is some
if (canRead)
{
// Read in one datagram
IPEndPoint ep = new IPEndPoint(IPAddress.Any, 0);
byte[] data = _udpClient.Receive(ref ep); // Blocks
// Enque a new message
NetworkMessage nm = new NetworkMessage();
nm.Sender = ep;
nm.Packet = new Packet(data);
nm.ReceiveTime = DateTime.Now;
_incomingMessages.Enqueue(nm);
//Console.WriteLine("RCVD: {0}", nm.Packet);
}
// Write out queued
for (int i = 0; i < numToWrite; i++)
{
// Send some data
Tuple <Packet, IPEndPoint> msg;
bool have = _outgoingMessages.TryDequeue(out msg);
if (have)
{
msg.Item1.Send(_udpClient, msg.Item2);
}
//Console.WriteLine("SENT: {0}", msg.Item1);
}
// Notify clients of Bye
for (int i = 0; i < numToDisconnect; i++)
{
IPEndPoint to;
bool have = _sendByePacketTo.TryDequeue(out to);
if (have)
{
ByePacket bp = new ByePacket();
bp.Send(_udpClient, to);
}
}
// If Nothing happened, take a nap
if (!canRead && (numToWrite == 0) && (numToDisconnect == 0))
{
Thread.Sleep(1);
}
}
Console.WriteLine("[Server] Done listening for UDP datagrams");
// Wait for all arena's thread to join
Queue <Arena> arenas = new Queue <Arena>(_activeArenas.Keys);
if (arenas.Count > 0)
{
Console.WriteLine("[Server] Waiting for active Areans to finish...");
foreach (Arena arena in arenas)
{
arena.JoinThread();
}
}
// See which clients are left to notify of Bye
if (_sendByePacketTo.Count > 0)
{
Console.WriteLine("[Server] Notifying remaining clients of shutdown...");
// run in a loop until we've told everyone else
IPEndPoint to;
bool have = _sendByePacketTo.TryDequeue(out to);
while (have)
{
ByePacket bp = new ByePacket();
bp.Send(_udpClient, to);
have = _sendByePacketTo.TryDequeue(out to);
}
}
}
