public void SendDelayedPackets(NetBase netBase, double now)
{
foreach (DelayedPacket pk in m_delayed)
{
if (now >= pk.DelayedUntil)
{
// send it!
m_delaySent.Add(pk);
try
{
//m_log.Debug("(sending delayed packet after " + (int)(pk.DelayAmount * 1000.0f) + " ms)");
netBase.m_socket.SendTo(pk.Data, 0, pk.Data.Length, SocketFlags.None, pk.RemoteEP);
}
catch (SocketException sex)
{
if (sex.SocketErrorCode == SocketError.ConnectionReset ||
sex.SocketErrorCode == SocketError.ConnectionRefused ||
sex.SocketErrorCode == SocketError.ConnectionAborted)
{
m_log.Warning("Remote socket forcefully closed: " + sex.SocketErrorCode);
//if (connection != null)
// connection.Disconnect("Socket forcefully closed: " + sex.SocketErrorCode);
continue;
}
m_log.Warning("Execute SocketException: " + sex.SocketErrorCode);
continue;
}
}
}
if (m_delaySent.Count > 0)
{
foreach (DelayedPacket pk in m_delaySent)
{
m_delayed.Remove(pk);
}
m_delaySent.Clear();
}
}
protected bool ReadPacket()
{
try
{
if (m_socket == null || m_socket.Available < 1)
{
return(false);
}
int bytesReceived = m_socket.ReceiveFrom(m_receiveBuffer.Data, 0, m_receiveBuffer.Data.Length, SocketFlags.None, ref m_senderRemote);
IPEndPoint ipsender = (IPEndPoint)m_senderRemote;
//Log.Verbose("Read " + bytesReceived + " bytes from " + ipsender);
m_receiveBuffer.SetDataLength(bytesReceived);
if (bytesReceived < 0)
{
return(true);
}
m_receiveBuffer.ResetReadPointer();
HandlePacket(m_receiveBuffer, bytesReceived, ipsender);
return(true);
}
catch (SocketException sex)
{
//if (sex.SocketErrorCode == SocketError.ConnectionReset)
//{
// // who disconnected?
// HandleConnectionReset((IPEndPoint)m_senderRemote);
// return false;
//}
Log.Warning("ReadPacket socket exception: " + sex.SocketErrorCode);
return(false);
}
catch (Exception ex)
{
throw new NetException("ReadPacket() exception", ex);
}
}
protected void InitBase(NetAppConfiguration config, NetLog log)
{
if (config == null)
{
throw new ArgumentNullException("config");
}
if (log == null)
{
throw new ArgumentNullException("log");
}
IsLittleEndian = BitConverter.IsLittleEndian;
//if (BitConverter.IsLittleEndian)
BitWriter = new LittleEndianBitWriter();
//else
// BitWriter = new BigEndianBitWriter();
Configuration = config;
Log = log;
Configuration.m_isLocked = true; // prevent changes
// validate config
if (config.ApplicationIdentifier == NetConstants.DefaultApplicationIdentifier)
{
log.Error("Warning! ApplicationIdentifier not set in configuration!");
}
if (this is NetServer)
{
if (config.MaximumConnections == -1)
{
throw new ArgumentException("MaximumConnections must be set in configuration!");
}
if (config.ServerName == NetConstants.DefaultServerName)
{
log.Warning("Warning! Server name not set!");
}
}
// create buffers
m_sendBuffer = new NetBuffer(config.SendBufferSize);
m_receiveBuffer = new NetBuffer(config.ReceiveBufferSize);
// Bind to port
try
{
IPEndPoint iep = new IPEndPoint(IPAddress.Any, config.Port);
EndPoint ep = (EndPoint)iep;
m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
m_socket.Blocking = false;
m_socket.Bind(ep);
if (iep.Port != 0)
{
Log.Info("Bound to port " + iep.Port);
}
}
catch (SocketException sex)
{
if (sex.SocketErrorCode != SocketError.AddressAlreadyInUse)
{
throw new NetException("Failed to bind to port " + config.Port + " - Address already in use!", sex);
}
}
catch (Exception ex)
{
throw new NetException("Failed to bind to port " + config.Port, ex);
}
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveBuffer, config.ReceiveBufferSize);
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendBuffer, config.SendBufferSize);
m_senderRemote = (EndPoint) new IPEndPoint(IPAddress.Any, 0);
#if DEBUG
m_lagLoss = new NetLogLossInducer(log);
#endif
return;
}
protected void InitBase(NetAppConfiguration config, NetLog log)
{
if (config == null)
throw new ArgumentNullException("config");
if (log == null)
throw new ArgumentNullException("log");
IsLittleEndian = BitConverter.IsLittleEndian;
//if (BitConverter.IsLittleEndian)
BitWriter = new LittleEndianBitWriter();
//else
// BitWriter = new BigEndianBitWriter();
Configuration = config;
Log = log;
Configuration.m_isLocked = true; // prevent changes
// validate config
if (config.ApplicationIdentifier == NetConstants.DefaultApplicationIdentifier)
log.Error("Warning! ApplicationIdentifier not set in configuration!");
if (this is NetServer)
{
if (config.MaximumConnections == -1)
throw new ArgumentException("MaximumConnections must be set in configuration!");
if (config.ServerName == NetConstants.DefaultServerName)
log.Warning("Warning! Server name not set!");
}
// create buffers
m_sendBuffer = new NetBuffer(config.SendBufferSize);
m_receiveBuffer = new NetBuffer(config.ReceiveBufferSize);
// Bind to port
try
{
IPEndPoint iep = new IPEndPoint(IPAddress.Any, config.Port);
EndPoint ep = (EndPoint)iep;
m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
m_socket.Blocking = false;
m_socket.Bind(ep);
if (iep.Port != 0)
Log.Info("Bound to port " + iep.Port);
}
catch (SocketException sex)
{
if (sex.SocketErrorCode != SocketError.AddressAlreadyInUse)
throw new NetException("Failed to bind to port " + config.Port + " - Address already in use!", sex);
}
catch (Exception ex)
{
throw new NetException("Failed to bind to port " + config.Port, ex);
}
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveBuffer, config.ReceiveBufferSize);
m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendBuffer, config.SendBufferSize);
m_senderRemote = (EndPoint)new IPEndPoint(IPAddress.Any, 0);
#if DEBUG
m_lagLoss = new NetLogLossInducer(log);
#endif
return;
}