private void ReceiveCallback(IAsyncResult ar) { if (this.NetworkStream != null) { try { int iBytesRead = this.NetworkStream.EndRead(ar); if (iBytesRead > 0) { // Create or resize our packet stream to hold the new data. if (this.PacketStream == null) { this.PacketStream = new byte[iBytesRead]; } else { Array.Resize(ref this.PacketStream, this.PacketStream.Length + iBytesRead); } Array.Copy(this.ReceivedBuffer, 0, this.PacketStream, this.PacketStream.Length - iBytesRead, iBytesRead); UInt32 ui32PacketSize = Packet.DecodePacketSize(this.PacketStream); while (this.PacketStream != null && this.PacketStream.Length >= ui32PacketSize && this.PacketStream.Length > Packet.PacketHeaderSize) { // Copy the complete packet from the beginning of the stream. byte[] completePacket = new byte[ui32PacketSize]; Array.Copy(this.PacketStream, completePacket, ui32PacketSize); Packet packet = new Packet(completePacket); //cbfConnection.m_ui32SequenceNumber = Math.Max(cbfConnection.m_ui32SequenceNumber, cpCompletePacket.SequenceNumber) + 1; // Dispatch the completed packet. try { bool isProcessed = false; if (this.BeforePacketDispatch != null) { this.BeforePacketDispatch(this, packet, out isProcessed); } if (this.PacketReceived != null) { this.LastPacketReceived = packet; FrostbiteConnection.RaiseEvent(this.PacketReceived.GetInvocationList(), this, isProcessed, packet); } if (packet.OriginatedFromServer == true && packet.IsResponse == false) { this.SendAsync(new Packet(true, true, packet.SequenceNumber, "OK")); } Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, packet, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } // Shutdown if we're just waiting for a response to an old packet. this.RestartConnectionOnQueueFailure(); } catch (Exception e) { Packet cpRequest = this.GetRequestPacket(packet); if (cpRequest != null) { LogError(packet.ToDebugString(), cpRequest.ToDebugString(), e); } else { LogError(packet.ToDebugString(), String.Empty, e); } // Now try to recover.. Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, packet, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } // Shutdown if we're just waiting for a response to an old packet. this.RestartConnectionOnQueueFailure(); } // Now remove the completed packet from the beginning of the stream if (this.PacketStream != null) { byte[] updatedSteam = new byte[this.PacketStream.Length - ui32PacketSize]; Array.Copy(this.PacketStream, ui32PacketSize, updatedSteam, 0, this.PacketStream.Length - ui32PacketSize); this.PacketStream = updatedSteam; ui32PacketSize = Packet.DecodePacketSize(this.PacketStream); } } // If we've recieved the maxmimum garbage, scrap it all and shutdown the connection. // We went really wrong somewhere =) if (this.ReceivedBuffer.Length >= FrostbiteConnection.MaxGarbageBytes) { this.ReceivedBuffer = null; // GC.collect() this.Shutdown(new Exception("Exceeded maximum garbage packet")); } if (this.NetworkStream != null) { this.NetworkStream.BeginRead(this.ReceivedBuffer, 0, this.ReceivedBuffer.Length, this.ReceiveCallback, this); } } else if (iBytesRead == 0) { this.Shutdown(); } } catch (SocketException se) { this.Shutdown(se); } catch (Exception e) { this.Shutdown(e); } } }
private void ReceiveCallback(IAsyncResult ar) { try { int iBytesRead = this.m_nwsStream.EndRead(ar); if (iBytesRead > 0) { // Create or resize our packet stream to hold the new data. if (this.a_bPacketStream == null) { this.a_bPacketStream = new byte[iBytesRead]; } else { Array.Resize(ref this.a_bPacketStream, this.a_bPacketStream.Length + iBytesRead); } Array.Copy(this.a_bReceivedBuffer, 0, this.a_bPacketStream, this.a_bPacketStream.Length - iBytesRead, iBytesRead); UInt32 ui32PacketSize = Packet.DecodePacketSize(this.a_bPacketStream); while (this.a_bPacketStream.Length >= ui32PacketSize && this.a_bPacketStream.Length > Packet.INT_PACKET_HEADER_SIZE) { // Copy the complete packet from the beginning of the stream. byte[] a_bCompletePacket = new byte[ui32PacketSize]; Array.Copy(this.a_bPacketStream, a_bCompletePacket, ui32PacketSize); Packet cpCompletePacket = new Packet(a_bCompletePacket); //cbfConnection.m_ui32SequenceNumber = Math.Max(cbfConnection.m_ui32SequenceNumber, cpCompletePacket.SequenceNumber) + 1; // Dispatch the completed packet. try { bool isProcessed = false; if (this.BeforePacketDispatch != null) { this.BeforePacketDispatch(this, cpCompletePacket, out isProcessed); } if (this.PacketReceived != null) { FrostbiteConnection.RaiseEvent(this.PacketReceived.GetInvocationList(), this, isProcessed, cpCompletePacket); } if (cpCompletePacket.OriginatedFromServer == true && cpCompletePacket.IsResponse == false) { this.SendAsync(new Packet(true, true, cpCompletePacket.SequenceNumber, "OK")); } Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, cpCompletePacket, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } } catch (Exception e) { Packet cpRequest = this.GetRequestPacket(cpCompletePacket); if (cpRequest != null) { LogError(cpCompletePacket.ToDebugString(), cpRequest.ToDebugString(), e); } else { LogError(cpCompletePacket.ToDebugString(), String.Empty, e); } // Now try to recover.. Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, cpCompletePacket, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } } // Now remove the completed packet from the beginning of the stream byte[] a_bUpdatedSteam = new byte[this.a_bPacketStream.Length - ui32PacketSize]; Array.Copy(this.a_bPacketStream, ui32PacketSize, a_bUpdatedSteam, 0, this.a_bPacketStream.Length - ui32PacketSize); this.a_bPacketStream = a_bUpdatedSteam; ui32PacketSize = Packet.DecodePacketSize(this.a_bPacketStream); } // If we've recieved the maxmimum garbage, scrap it all and shutdown the connection. // We went really wrong somewhere =) if (this.a_bReceivedBuffer.Length >= FrostbiteConnection.MAX_GARBAGE_BYTES) { this.a_bReceivedBuffer = null; // GC.collect() this.Shutdown(new Exception("Exceeded maximum garbage packet")); } } if (iBytesRead == 0) { this.Shutdown(); return; } if (this.m_nwsStream != null) { IAsyncResult result = this.m_nwsStream.BeginRead(this.a_bReceivedBuffer, 0, this.a_bReceivedBuffer.Length, this.ReceiveCallback, this); if (result.AsyncWaitHandle.WaitOne(180000, false) == false) { //if (this.ConnectionFailure != null) { // FrostbiteConnection.RaiseEvent(this.ConnectionFailure.GetInvocationList(), this, new Exception("Events connection has timed out after two minutes without data.")); //} this.Shutdown(new Exception("Events connection has timed out after two minutes without data.")); } } } catch (SocketException se) { this.Shutdown(se); } catch (Exception e) { this.Shutdown(e); } }
private void ReceiveCallback(IAsyncResult ar) { try { int iBytesRead = this.m_nwsStream.EndRead(ar); if (iBytesRead > 0) { // Create or resize our packet stream to hold the new data. if (this.a_bPacketStream == null) { this.a_bPacketStream = new byte[iBytesRead]; } else { Array.Resize(ref this.a_bPacketStream, this.a_bPacketStream.Length + iBytesRead); } Array.Copy(this.a_bReceivedBuffer, 0, this.a_bPacketStream, this.a_bPacketStream.Length - iBytesRead, iBytesRead); UInt32 ui32PacketSize = Packet.DecodePacketSize(this.a_bPacketStream); while (this.a_bPacketStream.Length >= ui32PacketSize && this.a_bPacketStream.Length > Packet.INT_PACKET_HEADER_SIZE) { // Copy the complete packet from the beginning of the stream. byte[] a_bCompletePacket = new byte[ui32PacketSize]; Array.Copy(this.a_bPacketStream, a_bCompletePacket, ui32PacketSize); Packet cpCompletePacket = new Packet(a_bCompletePacket); //cbfConnection.m_ui32SequenceNumber = Math.Max(cbfConnection.m_ui32SequenceNumber, cpCompletePacket.SequenceNumber) + 1; // Dispatch the completed packet. try { bool isProcessed = false; if (this.BeforePacketDispatch != null) { this.BeforePacketDispatch(this, cpCompletePacket, out isProcessed); } if (this.PacketReceived != null) { FrostbiteConnection.RaiseEvent(this.PacketReceived.GetInvocationList(), this, isProcessed, cpCompletePacket); } if (cpCompletePacket.OriginatedFromServer == true && cpCompletePacket.IsResponse == false) { this.SendAsync(new Packet(true, true, cpCompletePacket.SequenceNumber, "OK")); } Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, cpCompletePacket, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } } catch (Exception e) { Packet cpRequest = this.GetRequestPacket(cpCompletePacket); if (cpRequest != null) { LogError(cpCompletePacket.ToDebugString(), cpRequest.ToDebugString(), e); } else { LogError(cpCompletePacket.ToDebugString(), String.Empty, e); } // Now try to recover.. Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, cpCompletePacket, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } } // Now remove the completed packet from the beginning of the stream byte[] a_bUpdatedSteam = new byte[this.a_bPacketStream.Length - ui32PacketSize]; Array.Copy(this.a_bPacketStream, ui32PacketSize, a_bUpdatedSteam, 0, this.a_bPacketStream.Length - ui32PacketSize); this.a_bPacketStream = a_bUpdatedSteam; ui32PacketSize = Packet.DecodePacketSize(this.a_bPacketStream); } // If we've recieved the maxmimum garbage, scrap it all and shutdown the connection. // We went really wrong somewhere =) if (this.a_bReceivedBuffer.Length >= FrostbiteConnection.MAX_GARBAGE_BYTES) { this.a_bReceivedBuffer = null; // GC.collect() this.Shutdown(new Exception("Exceeded maximum garbage packet")); } } if (iBytesRead == 0) { this.Shutdown(); return; } if (this.m_nwsStream != null) { IAsyncResult result = this.m_nwsStream.BeginRead(this.a_bReceivedBuffer, 0, this.a_bReceivedBuffer.Length, this.ReceiveCallback, this); if (result.AsyncWaitHandle.WaitOne(180000, false) == false) { //if (this.ConnectionFailure != null) { // FrostbiteConnection.RaiseEvent(this.ConnectionFailure.GetInvocationList(), this, new Exception("Events connection has timed out after two minutes without data.")); //} this.Shutdown(new Exception("Events connection has timed out after two minutes without data.")); } } } catch (SocketException se) { this.Shutdown(se); } catch (Exception e) { this.Shutdown(e); } }
private void ReceiveCallback(IAsyncResult ar) { if (this.NetworkStream != null) { try { int iBytesRead = this.NetworkStream.EndRead(ar); if (iBytesRead > 0) { // Create or resize our packet stream to hold the new data. if (this.PacketStream == null) { this.PacketStream = new byte[iBytesRead]; } else { Array.Resize(ref this.PacketStream, this.PacketStream.Length + iBytesRead); } Array.Copy(this.ReceivedBuffer, 0, this.PacketStream, this.PacketStream.Length - iBytesRead, iBytesRead); UInt32 ui32PacketSize = Packet.DecodePacketSize(this.PacketStream); while (this.PacketStream != null && this.PacketStream.Length >= ui32PacketSize && this.PacketStream.Length > Packet.PacketHeaderSize) { // Copy the complete packet from the beginning of the stream. byte[] completePacket = new byte[ui32PacketSize]; Array.Copy(this.PacketStream, completePacket, ui32PacketSize); Packet packet = new Packet(completePacket); //cbfConnection.m_ui32SequenceNumber = Math.Max(cbfConnection.m_ui32SequenceNumber, cpCompletePacket.SequenceNumber) + 1; // Dispatch the completed packet. try { bool isProcessed = false; if (this.BeforePacketDispatch != null) { this.BeforePacketDispatch(this, packet, out isProcessed); } if (this.PacketReceived != null) { this.LastPacketReceived = packet; this.Cache.Response(packet); this.PacketReceived(this, isProcessed, packet); } if (packet.OriginatedFromServer == true && packet.IsResponse == false) { this.SendAsync(new Packet(true, true, packet.SequenceNumber, "OK")); } Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, packet, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } // Shutdown if we're just waiting for a response to an old packet. this.RestartConnectionOnQueueFailure(); } catch (Exception e) { Packet cpRequest = this.GetRequestPacket(packet); if (cpRequest != null) { LogError(packet.ToDebugString(), cpRequest.ToDebugString(), e); } else { LogError(packet.ToDebugString(), String.Empty, e); } // Now try to recover.. Packet cpNextPacket = null; if (this.QueueUnqueuePacket(false, packet, out cpNextPacket) == true) { this.SendAsync(cpNextPacket); } // Shutdown if we're just waiting for a response to an old packet. this.RestartConnectionOnQueueFailure(); } // Now remove the completed packet from the beginning of the stream if (this.PacketStream != null) { byte[] updatedSteam = new byte[this.PacketStream.Length - ui32PacketSize]; Array.Copy(this.PacketStream, ui32PacketSize, updatedSteam, 0, this.PacketStream.Length - ui32PacketSize); this.PacketStream = updatedSteam; ui32PacketSize = Packet.DecodePacketSize(this.PacketStream); } } // If we've recieved the maxmimum garbage, scrap it all and shutdown the connection. // We went really wrong somewhere =) if (this.ReceivedBuffer.Length >= FrostbiteConnection.MaxGarbageBytes) { this.ReceivedBuffer = null; // GC.collect() this.Shutdown(new Exception("Exceeded maximum garbage packet")); } if (this.NetworkStream != null) { this.NetworkStream.BeginRead(this.ReceivedBuffer, 0, this.ReceivedBuffer.Length, this.ReceiveCallback, this); } } else if (iBytesRead == 0) { this.Shutdown(); } } catch (SocketException se) { this.Shutdown(se); } catch (Exception e) { this.Shutdown(e); } } }
protected static string GetDebugPacket(string connectionPrefix, string packetColour, Packet packet, Packet requestPacket) { string debugString = String.Empty; try { debugString = string.Format("{0,10}: {1,-12} S: {2,-6} {3}{4}", connectionPrefix, GetRequestResponseColour(packet), packet.SequenceNumber, packetColour, packet.ToDebugString().Replace("\r", "").Replace("\n", "")); if (requestPacket != null) { debugString = String.Format("{0} ^0(RE: ^2{1}^0)", debugString, requestPacket.ToDebugString().TrimEnd('\r', '\n')); } debugString = debugString.Replace("{", "{{").Replace("}", "}}"); } catch (Exception e) { FrostbiteConnection.LogError(String.Join(", ", new[] { connectionPrefix, packetColour, packet.ToString(), requestPacket != null ? requestPacket.ToString() : "" }), "", e); debugString = ""; } return debugString; }
protected static string GetDebugPacket(string connectionPrefix, string packetColour, Packet packet, Packet requestPacket) { string debugString = String.Empty; debugString = string.Format("{0,10}: {1,-12} S: {2,-6} {3}{4}", connectionPrefix, GetRequestResponseColour(packet), packet.SequenceNumber, packetColour, packet.ToDebugString().Replace("\r", "").Replace("\n", "")); if (requestPacket != null) { debugString = String.Format("{0} ^0(RE: ^2{1}^0)", debugString, requestPacket.ToDebugString().TrimEnd('\r', '\n')); } debugString = debugString.Replace("{", "{{").Replace("}", "}}"); return debugString; }