internal NAKException(Reply reply)
{
var nak = Nak.ParseData(reply);
ErrorCode = nak.ErrorCode;
ErrorString = nak.ErrorString;
ExtraData = nak.ExtraData;
}
/// <inheritdoc />
public override string ToString()
{
if (Ack)
{
return("Ack");
}
return(Nak != null?Nak.ToString() : ReplyData?.ToString());
}
private void HandleNak(PlayerNetworkSession session, byte[] receiveBytes)
{
if (session == null)
{
return;
}
Player player = session.Player;
if (player == null)
{
return;
}
Nak nak = Nak.CreateObject();
nak.Decode(receiveBytes);
int ackSeqNo = nak.sequenceNumber.IntValue();
int toAckSeqNo = nak.toSequenceNumber.IntValue();
if (nak.onlyOneSequence == 1)
{
toAckSeqNo = ackSeqNo;
}
nak.PutPool();
var queue = session.WaitingForAcksQueue;
Log.DebugFormat("NAK from Player {0} ({5}) #{1}-{2} IsOnlyOne {3} Count={4}", player.Username, ackSeqNo, toAckSeqNo, nak.onlyOneSequence, nak.count, player.Rtt);
for (int i = ackSeqNo; i <= toAckSeqNo; i++)
{
session.ErrorCount++;
Datagram datagram;
if (queue.TryRemove(i, out datagram))
{
// RTT = RTT * 0.875 + rtt * 0.125
// RTTVar = RTTVar * 0.875 + abs(RTT - rtt)) * 0.125
// RTO = RTT + 4 * RTTVar
long rtt = datagram.Timer.ElapsedMilliseconds;
long RTT = player.Rtt;
long RTTVar = player.RttVar;
player.Rtt = (long)(RTT * 0.875 + rtt * 0.125);
player.RttVar = (long)(RTTVar * 0.875 + Math.Abs(RTT - rtt) * 0.125);
player.Rto = player.Rtt + 4 * player.RttVar + 10; // SYNC time in the end
SendDatagram(session, datagram);
}
else
{
Log.DebugFormat("NAK, no datagram #{0} to resend for {1}", i, player.Username);
}
}
}
private void HandleNak(byte[] receiveBytes, IPEndPoint senderEndpoint)
{
PlayerNetworkSession session;
if (!_playerSessions.TryGetValue(senderEndpoint, out session))
{
return;
}
Nak nak = Nak.CreateObject();
nak.Decode(receiveBytes);
int ackSeqNo = nak.sequenceNumber.IntValue();
int toAckSeqNo = nak.toSequenceNumber.IntValue();
if (nak.onlyOneSequence == 1)
{
toAckSeqNo = ackSeqNo;
}
nak.PutPool();
var queue = session.WaitingForAcksQueue;
Log.WarnFormat("NAK from Player {0} ({5}) #{1}-{2} IsOnlyOne {3} Count={4}", session.Player.Username, ackSeqNo, toAckSeqNo, nak.onlyOneSequence, nak.count, session.Player.Rtt);
for (int i = ackSeqNo; i <= toAckSeqNo; i++)
{
session.ErrorCount++;
Datagram datagram;
if (queue.TryRemove(i, out datagram))
{
// RTT = RTT * 0.875 + rtt * 0.125
// RTTVar = RTTVar * 0.875 + abs(RTT - rtt)) * 0.125
// RTO = RTT + 4 * RTTVar
long rtt = datagram.Timer.ElapsedMilliseconds;
if (rtt > session.Player.Rto)
{
Log.WarnFormat("RTT bigger !!!!!!");
}
long RTT = session.Player.Rtt;
long RTTVar = session.Player.RttVar;
session.Player.Rtt = (long)(RTT * 0.875 + rtt * 0.125);
session.Player.RttVar = (long)(RTTVar * 0.875 + Math.Abs(RTT - rtt) * 0.125);
session.Player.Rto = session.Player.Rtt + 4 * session.Player.RttVar + 10; // SYNC time in the end
ThreadPool.QueueUserWorkItem(delegate(object data) { SendDatagram(senderEndpoint, (Datagram)data); }, datagram);
}
else
{
Log.WarnFormat("No datagram #{0} to resend for {1}", i, session.Player.Username);
}
}
}
private void HandleNak(PlayerNetworkSession session, byte[] receiveBytes)
{
if (session == null) return;
Player player = session.Player;
if (player == null) return;
Nak nak = Nak.CreateObject();
nak.Reset();
nak.Decode(receiveBytes);
var queue = session.WaitingForAcksQueue;
foreach (Tuple<int, int> range in nak.ranges)
{
ServerInfo.NumberOfNakReceive++;
int start = range.Item1;
int end = range.Item2;
for (int i = start; i <= end; i++)
{
session.ErrorCount++;
// HACK: Just to make sure we aren't getting unessecary load on the queue during heavy buffering.
if (ServerInfo.AvailableBytes > 1000) continue;
Datagram datagram;
if (queue.TryGetValue(i, out datagram))
{
// RTT = RTT * 0.875 + rtt * 0.125
// RTTVar = RTTVar * 0.875 + abs(RTT - rtt)) * 0.125
// RTO = RTT + 4 * RTTVar
long rtt = datagram.Timer.ElapsedMilliseconds;
long RTT = player.Rtt;
long RTTVar = player.RttVar;
player.Rtt = (long) (RTT*0.875 + rtt*0.125);
player.RttVar = (long) (RTTVar*0.875 + Math.Abs(RTT - rtt)*0.125);
player.Rto = player.Rtt + 4*player.RttVar + 100; // SYNC time in the end
//if (Log.IsDebugEnabled)
// Log.ErrorFormat("NAK, resending datagram #{0} for {1}, MTU: {2}", i, player.Username, session.Mtuize);
//SendDatagram(session, datagram, false);
}
else
{
if (Log.IsDebugEnabled)
//Log.WarnFormat("NAK, no datagram #{0} to resend for {1}", i, player.Username);
}
}
}
nak.PutPool();
}
/// <summary>
/// Initializes a new instance of the <see cref="NakCommandBlock" /> class.
/// </summary>
/// <param name="error">
/// The error.
/// </param>
public NakCommandBlock(Nak error)
{
Cmd1 = Cmd1.Return;
Cmd2 = (byte)Return.Nak;
Data = new byte[1];
DataCount = Data.Length;
Data[0] = (byte)(Data[0] | (1 << (int)error));
}
/// <summary>
/// Send a command to alter the state of one or more outputs on a PD.
/// </summary>
/// <param name="connectionId">Identify the connection for communicating to the device.</param>
/// <param name="address">Address assigned to the device.</param>
/// <param name="outputControls">Data for one or more outputs to control.</param>
/// <returns>Reply data that is returned after sending the command. There is the possibility of different replies can be returned from PD.</returns>
public async Task <ReturnReplyData <OutputStatus> > OutputControl(Guid connectionId, byte address, OutputControls outputControls)
{
var reply = await SendCommand(connectionId,
new OutputControlCommand(address, outputControls)).ConfigureAwait(false);
return(new ReturnReplyData <OutputStatus>
{
Ack = reply.Type == ReplyType.Ack,
Nak = reply.Type == ReplyType.Nak ? Nak.ParseData(reply.ExtractReplyData) : null,
ReplyData = reply.Type == ReplyType.OutputStatusReport ? Model.ReplyData.OutputStatus.ParseData(reply.ExtractReplyData) : null
});
}
/// <summary>
/// Command that implements extended write mode to facilitate communications with an ISO 7816-4 based credential to a PD.
/// </summary>
/// <summary>Request to get the capabilities of the PD.</summary>
/// <param name="connectionId">Identify the connection for communicating to the device.</param>
/// <param name="address">Address assigned to the device.</param>
/// <param name="extendedWrite">The extended write data.</param>
/// <returns>Reply data that is returned after sending the command. There is the possibility of different replies can be returned from PD.</returns>
public async Task <ReturnReplyData <ExtendedRead> > ExtendedWriteData(Guid connectionId, byte address,
ExtendedWrite extendedWrite)
{
var reply = await SendCommand(connectionId,
new ExtendedWriteDataCommand(address, extendedWrite)).ConfigureAwait(false);
return(new ReturnReplyData <ExtendedRead>
{
Ack = reply.Type == ReplyType.Ack,
Nak = reply.Type == ReplyType.Nak ? Nak.ParseData(reply.ExtractReplyData) : null,
ReplyData = reply.Type == ReplyType.ExtendedRead ? ExtendedRead.ParseData(reply.ExtractReplyData) : null
});
}
/// <summary>
/// Send a manufacture specific command to a PD.
/// </summary>
/// <param name="connectionId">Identify the connection for communicating to the device.</param>
/// <param name="address">Address assigned to the device.</param>
/// <param name="manufacturerSpecific">The manufacturer specific data.</param>
/// <returns>Reply data that is returned after sending the command. There is the possibility of different replies can be returned from PD.</returns>
public async Task <ReturnReplyData <ManufacturerSpecific> > ManufacturerSpecificCommand(Guid connectionId, byte address,
Model.CommandData.ManufacturerSpecific manufacturerSpecific)
{
var reply = await SendCommand(connectionId,
new ManufacturerSpecificCommand(address, manufacturerSpecific)).ConfigureAwait(false);
return(new ReturnReplyData <ManufacturerSpecific>
{
Ack = reply.Type == ReplyType.Ack,
Nak = reply.Type == ReplyType.Nak ? Nak.ParseData(reply.ExtractReplyData) : null,
ReplyData = reply.Type == ReplyType.ManufactureSpecific ? ManufacturerSpecific.ParseData(reply.ExtractReplyData) : null
});
}
private void HandleNak(PlayerNetworkSession session, byte[] receiveBytes)
{
if (session == null)
{
return;
}
Nak nak = Nak.CreateObject();
nak.Reset();
nak.Decode(receiveBytes);
var queue = session.WaitingForAcksQueue;
foreach (Tuple <int, int> range in nak.ranges)
{
Interlocked.Increment(ref ServerInfo.NumberOfNakReceive);
int start = range.Item1;
int end = range.Item2;
for (int i = start; i <= end; i++)
{
if (queue.TryGetValue(i, out var datagram))
{
CalculateRto(session, datagram);
datagram.RetransmitImmediate = true;
}
else
{
if (Log.IsDebugEnabled)
{
Log.WarnFormat("NAK, no datagram #{0} for {1}", i, session.Username);
}
}
}
}
nak.PutPool();
}
/// <summary>
/// Processes a message.
/// </summary>
/// <param name="receiveBytes">The received bytes.</param>
/// <param name="senderEndpoint">The sender's endpoint.</param>
/// <exception cref="System.Exception">Receive ERROR, NAK in wrong place</exception>
private void ProcessMessage(byte[] receiveBytes, IPEndPoint senderEndpoint)
{
//_serverEndpoint = senderEndpoint;
byte msgId = receiveBytes[0];
if (msgId <= (byte) DefaultMessageIdTypes.ID_USER_PACKET_ENUM)
{
DefaultMessageIdTypes msgIdType = (DefaultMessageIdTypes) msgId;
Package message = PackageFactory.CreatePackage(msgId, receiveBytes);
if (message == null) return;
TraceReceive(message);
switch (msgIdType)
{
case DefaultMessageIdTypes.ID_UNCONNECTED_PONG:
{
//Thread.Sleep(50);
UnconnectedPong incoming = (UnconnectedPong) message;
SendOpenConnectionRequest1();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_1:
{
//Thread.Sleep(50);
OpenConnectionReply1 incoming = (OpenConnectionReply1) message;
if (incoming.mtuSize < _mtuSize) throw new Exception("Error:" + incoming.mtuSize);
SendOpenConnectionRequest2();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_2:
{
OpenConnectionReply2 incoming = (OpenConnectionReply2) message;
//Thread.Sleep(50);
//_mtuSize = incoming.mtuSize;
SendConnectionRequest();
break;
}
case DefaultMessageIdTypes.ID_CONNECTION_REQUEST_ACCEPTED:
{
//Thread.Sleep(50);
SendNewIncomingConnection();
var t1 = new Timer(state => SendConnectedPing(), null, 0, 5000);
//Thread.Sleep(50);
SendLogin("Client12");
break;
}
}
}
else
{
DatagramHeader header = new DatagramHeader(receiveBytes[0]);
if (!header.isACK && !header.isNAK && header.isValid)
{
if (receiveBytes[0] == 0xa0)
{
throw new Exception("Receive ERROR, NAK in wrong place");
}
ConnectedPackage package = ConnectedPackage.CreateObject();
package.Decode(receiveBytes);
Log.Debug(">\tReceive Datagram #" + package._datagramSequenceNumber.IntValue());
var messages = package.Messages;
//Log.Debug("Received package: #" + package._datagramSequenceNumber.IntValue());
Reliability reliability = package._reliability;
//Log.InfoFormat("Reliability: {0}", reliability);
//if (reliability == Reliability.Reliable
// || reliability == Reliability.ReliableSequenced
// || reliability == Reliability.ReliableOrdered
// )
{
// Send ACK
Acks ack = new Acks();
ack.acks.Add(package._datagramSequenceNumber.IntValue());
byte[] data = ack.Encode();
//Log.Debug("<\tSend ACK on #" + package._datagramSequenceNumber.IntValue());
SendData(data, senderEndpoint);
}
foreach (var message in messages)
{
if (message is SplitPartPackage)
{
SplitPartPackage splitMessage = message as SplitPartPackage;
int spId = package._splitPacketId;
int spIdx = package._splitPacketIndex;
int spCount = package._splitPacketCount;
Log.DebugFormat("Got split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
if (!_splits.ContainsKey(spId))
{
_splits[spId] = new SplitPartPackage[spCount];
}
else
{
Log.WarnFormat("Resent split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
}
SplitPartPackage[] spPackets = _splits[spId];
spPackets[spIdx] = splitMessage;
bool haveEmpty = false;
for (int i = 0; i < spPackets.Length; i++)
{
haveEmpty = haveEmpty || spPackets[i] == null;
}
if (!haveEmpty)
{
Log.WarnFormat("Got all {0} split packages for split ID: {1}", spCount, spId);
MemoryStream stream = new MemoryStream();
for (int i = 0; i < spPackets.Length; i++)
{
byte[] buf = spPackets[i].Message;
stream.Write(buf, 0, buf.Length);
}
try
{
byte[] buffer = stream.ToArray();
var fullMessage = PackageFactory.CreatePackage(buffer[0], buffer) ?? new UnknownPackage(buffer[0], buffer);
Log.Debug("Processing split-message");
HandlePackage(fullMessage, senderEndpoint);
fullMessage.PutPool();
}
catch (Exception e)
{
Log.Warn("When processing split-message", e);
}
}
message.PutPool();
return;
}
{
message.Timer.Restart();
HandlePackage(message, senderEndpoint);
//message.PutPool();
}
}
//package.PutPool();
}
else if (header.isPacketPair)
{
Log.Warn("header.isPacketPair");
}
else if (header.isACK && header.isValid)
{
HandleAck(receiveBytes, senderEndpoint);
}
else if (header.isNAK && header.isValid)
{
Nak nak = new Nak();
nak.Decode(receiveBytes);
Log.Warn("!!!! NAK !!!!!" + nak.sequenceNumber.IntValue());
HandleNak(receiveBytes, senderEndpoint);
}
else if (!header.isValid)
{
Log.Warn("!!!! ERROR, Invalid header !!!!!");
}
else
{
Log.Warn("!! WHAT THE F");
}
}
}
public NakReplyEventArgs(Guid connectionId, byte address, Nak nak)
{
ConnectionId = connectionId;
Address = address;
Nak = nak;
}
internal virtual void OnReplyReceived(Reply reply)
{
{
var handler = ReplyReceived;
handler?.Invoke(this, new ReplyEventArgs {
Reply = reply
});
}
switch (reply.Type)
{
case ReplyType.Nak:
{
var handler = NakReplyReceived;
handler?.Invoke(this,
new NakReplyEventArgs(reply.ConnectionId, reply.Address, Nak.ParseData(reply)));
break;
}
case ReplyType.LocalStatusReport:
{
var handler = LocalStatusReportReplyReceived;
handler?.Invoke(this,
new LocalStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.LocalStatus.ParseData(reply)));
break;
}
case ReplyType.InputStatusReport:
{
var handler = InputStatusReportReplyReceived;
handler?.Invoke(this,
new InputStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.InputStatus.ParseData(reply)));
break;
}
case ReplyType.OutputStatusReport:
{
var handler = OutputStatusReportReplyReceived;
handler?.Invoke(this,
new OutputStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.OutputStatus.ParseData(reply)));
break;
}
case ReplyType.ReaderStatusReport:
{
var handler = ReaderStatusReportReplyReceived;
handler?.Invoke(this,
new ReaderStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.ReaderStatus.ParseData(reply)));
break;
}
case ReplyType.RawReaderData:
{
var handler = RawCardDataReplyReceived;
handler?.Invoke(this,
new RawCardDataReplyEventArgs(reply.ConnectionId, reply.Address, RawCardData.ParseData(reply)));
break;
}
}
}
/// <summary>
/// Processes a message.
/// </summary>
/// <param name="receiveBytes">The received bytes.</param>
/// <param name="senderEndpoint">The sender's endpoint.</param>
/// <exception cref="System.Exception">Receive ERROR, NAK in wrong place</exception>
private void ProcessMessage(byte[] receiveBytes, IPEndPoint senderEndpoint)
{
byte msgId = receiveBytes[0];
if (msgId <= (byte) DefaultMessageIdTypes.ID_USER_PACKET_ENUM)
{
DefaultMessageIdTypes msgIdType = (DefaultMessageIdTypes) msgId;
Package message = PackageFactory.CreatePackage(msgId, receiveBytes);
if (message == null) return;
TraceReceive(message);
switch (msgIdType)
{
case DefaultMessageIdTypes.ID_UNCONNECTED_PONG:
{
UnconnectedPong incoming = (UnconnectedPong) message;
HaveServer = true;
SendOpenConnectionRequest1();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_1:
{
OpenConnectionReply1 incoming = (OpenConnectionReply1) message;
_mtuSize = incoming.mtuSize;
//if (incoming.mtuSize < _mtuSize) throw new Exception("Error:" + incoming.mtuSize);
SendOpenConnectionRequest2();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_2:
{
OpenConnectionReply2 incoming = (OpenConnectionReply2) message;
//_mtuSize = incoming.mtuSize;
SendConnectionRequest();
break;
}
}
}
else
{
DatagramHeader header = new DatagramHeader(receiveBytes[0]);
if (!header.isACK && !header.isNAK && header.isValid)
{
if (receiveBytes[0] == 0xa0)
{
throw new Exception("Receive ERROR, NAK in wrong place");
}
//ConnectedPackage package = ConnectedPackage.CreateObject();
ConnectedPackage package = new ConnectedPackage();
package.Decode(receiveBytes);
header = package._datagramHeader;
//Log.Debug($"> Datagram #{header.datagramSequenceNumber}, {package._hasSplit}, {package._splitPacketId}, {package._reliability}, {package._reliableMessageNumber}, {package._sequencingIndex}, {package._orderingChannel}, {package._orderingIndex}");
var messages = package.Messages;
//Reliability reliability = package._reliability;
//if (reliability == Reliability.Reliable
// || reliability == Reliability.ReliableSequenced
// || reliability == Reliability.ReliableOrdered
// )
{
if (header.datagramSequenceNumber == 1000)
{
Log.Error("Datagram 1000 ignored");
}
else
{
// Send ACK
Acks ack = new Acks();
ack.acks.Add(package._datagramSequenceNumber.IntValue());
byte[] data = ack.Encode();
//Log.Info("Send ACK #" + package._datagramSequenceNumber.IntValue());
SendData(data, senderEndpoint);
}
}
//if (LoginSent) return; //HACK
foreach (var message in messages)
{
if (message is SplitPartPackage)
{
lock (Session.SyncRoot)
{
HandleSplitMessage(Session, package, (SplitPartPackage) message);
}
continue;
}
message.Timer.Restart();
HandlePackage(message);
message.PutPool();
}
//package.PutPool();
}
else if (header.isPacketPair)
{
Log.Warn("header.isPacketPair");
}
else if (header.isACK && header.isValid)
{
HandleAck(receiveBytes, senderEndpoint);
}
else if (header.isNAK && header.isValid)
{
Nak nak = new Nak();
nak.Decode(receiveBytes);
HandleNak(receiveBytes, senderEndpoint);
}
else if (!header.isValid)
{
Log.Warn("!!!! ERROR, Invalid header !!!!!");
}
else
{
Log.Warn("!! WHAT THE F");
}
}
}
/// <summary>
/// Processes a message.
/// </summary>
/// <param name="receiveBytes">The received bytes.</param>
/// <param name="senderEndpoint">The sender's endpoint.</param>
/// <exception cref="System.Exception">Receive ERROR, NAK in wrong place</exception>
private void ProcessMessage(byte[] receiveBytes, IPEndPoint senderEndpoint)
{
byte msgId = receiveBytes[0];
if (msgId <= (byte)DefaultMessageIdTypes.ID_USER_PACKET_ENUM)
{
DefaultMessageIdTypes msgIdType = (DefaultMessageIdTypes)msgId;
Package message = PackageFactory.CreatePackage(msgId, receiveBytes);
if (message == null)
{
return;
}
TraceReceive(message);
switch (msgIdType)
{
case DefaultMessageIdTypes.ID_UNCONNECTED_PONG:
{
UnconnectedPong incoming = (UnconnectedPong)message;
HaveServer = true;
SendOpenConnectionRequest1();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_1:
{
OpenConnectionReply1 incoming = (OpenConnectionReply1)message;
_mtuSize = incoming.mtuSize;
//if (incoming.mtuSize < _mtuSize) throw new Exception("Error:" + incoming.mtuSize);
SendOpenConnectionRequest2();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_2:
{
OpenConnectionReply2 incoming = (OpenConnectionReply2)message;
//_mtuSize = incoming.mtuSize;
SendConnectionRequest();
break;
}
}
}
else
{
DatagramHeader header = new DatagramHeader(receiveBytes[0]);
if (!header.isACK && !header.isNAK && header.isValid)
{
if (receiveBytes[0] == 0xa0)
{
throw new Exception("Receive ERROR, NAK in wrong place");
}
//ConnectedPackage package = ConnectedPackage.CreateObject();
ConnectedPackage package = new ConnectedPackage();
package.Decode(receiveBytes);
header = package._datagramHeader;
//Log.Debug(">\tReceive Datagram #" + package._datagramSequenceNumber.IntValue());
Log.Debug($"> Datagram #{header.datagramSequenceNumber}, {package._hasSplit}, {package._splitPacketId}, {package._reliability}, {package._reliableMessageNumber}, {package._sequencingIndex}, {package._orderingChannel}, {package._orderingIndex}");
var messages = package.Messages;
//Reliability reliability = package._reliability;
//if (reliability == Reliability.Reliable
// || reliability == Reliability.ReliableSequenced
// || reliability == Reliability.ReliableOrdered
// )
{
if (header.datagramSequenceNumber == 1000)
{
Log.Error("Datagram 1000 ignored");
}
else
{
// Send ACK
Acks ack = new Acks();
ack.acks.Add(package._datagramSequenceNumber.IntValue());
byte[] data = ack.Encode();
//Log.Info("Send ACK #" + package._datagramSequenceNumber.IntValue());
SendData(data, senderEndpoint);
}
}
//if (LoginSent) return; //HACK
foreach (var message in messages)
{
if (message is SplitPartPackage)
{
lock (Session.SyncRoot)
{
HandleSplitMessage(Session, package, (SplitPartPackage)message);
}
continue;
}
message.Timer.Restart();
HandlePackage(message);
message.PutPool();
}
//package.PutPool();
}
else if (header.isPacketPair)
{
Log.Warn("header.isPacketPair");
}
else if (header.isACK && header.isValid)
{
HandleAck(receiveBytes, senderEndpoint);
}
else if (header.isNAK && header.isValid)
{
Nak nak = new Nak();
nak.Decode(receiveBytes);
HandleNak(receiveBytes, senderEndpoint);
}
else if (!header.isValid)
{
Log.Warn("!!!! ERROR, Invalid header !!!!!");
}
else
{
Log.Warn("!! WHAT THE F");
}
}
}
/// <summary>
/// Processes a message.
/// </summary>
/// <param name="receiveBytes">The received bytes.</param>
/// <param name="senderEndpoint">The sender's endpoint.</param>
/// <exception cref="System.Exception">Receive ERROR, NAK in wrong place</exception>
private void ProcessMessage(byte[] receiveBytes, IPEndPoint senderEndpoint)
{
byte msgId = receiveBytes[0];
//Log.DebugFormat("Recieve {0} 0x{0:x2} len: {1}", msgId, receiveBytes.Length);
if (msgId <= (byte) DefaultMessageIdTypes.ID_USER_PACKET_ENUM)
{
DefaultMessageIdTypes msgIdType = (DefaultMessageIdTypes) msgId;
Package message = PackageFactory.CreatePackage(msgId, receiveBytes);
if (message == null) return;
TraceReceive(message);
switch (msgIdType)
{
case DefaultMessageIdTypes.ID_UNCONNECTED_PONG:
{
UnconnectedPong incoming = (UnconnectedPong) message;
SendOpenConnectionRequest1();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_1:
{
OpenConnectionReply1 incoming = (OpenConnectionReply1) message;
_mtuSize = incoming.mtuSize;
//if (incoming.mtuSize < _mtuSize) throw new Exception("Error:" + incoming.mtuSize);
SendOpenConnectionRequest2();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_2:
{
OpenConnectionReply2 incoming = (OpenConnectionReply2) message;
//_mtuSize = incoming.mtuSize;
SendConnectionRequest();
break;
}
}
}
else
{
DatagramHeader header = new DatagramHeader(receiveBytes[0]);
if (!header.isACK && !header.isNAK && header.isValid)
{
if (receiveBytes[0] == 0xa0)
{
throw new Exception("Receive ERROR, NAK in wrong place");
}
//ConnectedPackage package = ConnectedPackage.CreateObject();
ConnectedPackage package = new ConnectedPackage();
package.Decode(receiveBytes);
//Log.Debug(">\tReceive Datagram #" + package._datagramSequenceNumber.IntValue());
var messages = package.Messages;
//Reliability reliability = package._reliability;
//if (reliability == Reliability.Reliable
// || reliability == Reliability.ReliableSequenced
// || reliability == Reliability.ReliableOrdered
// )
{
// Send ACK
Acks ack = new Acks();
ack.acks.Add(package._datagramSequenceNumber.IntValue());
byte[] data = ack.Encode();
//Log.Info("Send ACK #" + package._datagramSequenceNumber.IntValue());
SendData(data, senderEndpoint);
}
//if (LoginSent) return; //HACK
foreach (var message in messages)
{
if (message is SplitPartPackage)
{
lock (Session.SyncRoot)
{
var splits = Session.Splits;
SplitPartPackage splitMessage = message as SplitPartPackage;
int spId = package._splitPacketId;
int spIdx = package._splitPacketIndex;
int spCount = package._splitPacketCount;
Log.DebugFormat("Got split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
if (!splits.ContainsKey(spId))
{
splits.Add(spId, new SplitPartPackage[spCount]);
}
SplitPartPackage[] spPackets = splits[spId];
if (spIdx < 0 || spIdx >= spPackets.Length)
{
Log.DebugFormat("Unexpeted split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
continue;
}
if (splitMessage.Message == null)
{
Log.DebugFormat("Empty split package");
continue;
}
spPackets[spIdx] = splitMessage;
bool haveEmpty = false;
for (int i = 0; i < spPackets.Length; i++)
{
haveEmpty = haveEmpty || spPackets[i] == null;
}
if (!haveEmpty)
{
Log.DebugFormat("Got all {0} split packages for split ID: {1}", spCount, spId);
MemoryStream stream = new MemoryStream();
for (int i = 0; i < spPackets.Length; i++)
{
byte[] buf = spPackets[i].Message;
stream.Write(buf, 0, buf.Length);
}
try
{
byte[] buffer = stream.ToArray();
Log.DebugFormat("Processing split-message 0x{1:x2}, lenght={0}", buffer.Length, buffer[0]);
Package fullMessage = PackageFactory.CreatePackage(buffer[0], buffer) ?? new UnknownPackage(buffer[0], buffer);
HandlePackage(fullMessage, senderEndpoint);
fullMessage.PutPool();
continue;
}
catch (Exception e)
{
Log.Error("When processing split-message", e);
}
}
message.PutPool();
continue;
}
}
else
{
message.Timer.Restart();
HandlePackage(message, senderEndpoint);
message.PutPool();
}
}
//package.PutPool();
}
else if (header.isPacketPair)
{
Log.Warn("header.isPacketPair");
}
else if (header.isACK && header.isValid)
{
HandleAck(receiveBytes, senderEndpoint);
}
else if (header.isNAK && header.isValid)
{
Nak nak = new Nak();
nak.Decode(receiveBytes);
HandleNak(receiveBytes, senderEndpoint);
}
else if (!header.isValid)
{
Log.Warn("!!!! ERROR, Invalid header !!!!!");
}
else
{
Log.Warn("!! WHAT THE F");
}
}
}
/// <summary>
/// Processes a message.
/// </summary>
/// <param name="receiveBytes">The received bytes.</param>
/// <param name="senderEndpoint">The sender's endpoint.</param>
/// <exception cref="System.Exception">Receive ERROR, NAK in wrong place</exception>
private void ProcessMessage(byte[] receiveBytes, IPEndPoint senderEndpoint)
{
byte msgId = receiveBytes[0];
//Log.DebugFormat("Recieve {0} 0x{0:x2} len: {1}", msgId, receiveBytes.Length);
if (msgId <= (byte)DefaultMessageIdTypes.ID_USER_PACKET_ENUM)
{
DefaultMessageIdTypes msgIdType = (DefaultMessageIdTypes)msgId;
Package message = PackageFactory.CreatePackage(msgId, receiveBytes);
if (message == null)
{
return;
}
TraceReceive(message);
switch (msgIdType)
{
case DefaultMessageIdTypes.ID_UNCONNECTED_PONG:
{
UnconnectedPong incoming = (UnconnectedPong)message;
SendOpenConnectionRequest1();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_1:
{
OpenConnectionReply1 incoming = (OpenConnectionReply1)message;
_mtuSize = incoming.mtuSize;
//if (incoming.mtuSize < _mtuSize) throw new Exception("Error:" + incoming.mtuSize);
SendOpenConnectionRequest2();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_2:
{
OpenConnectionReply2 incoming = (OpenConnectionReply2)message;
//_mtuSize = incoming.mtuSize;
SendConnectionRequest();
break;
}
}
}
else
{
DatagramHeader header = new DatagramHeader(receiveBytes[0]);
if (!header.isACK && !header.isNAK && header.isValid)
{
if (receiveBytes[0] == 0xa0)
{
throw new Exception("Receive ERROR, NAK in wrong place");
}
//ConnectedPackage package = ConnectedPackage.CreateObject();
ConnectedPackage package = new ConnectedPackage();
package.Decode(receiveBytes);
//Log.Debug(">\tReceive Datagram #" + package._datagramSequenceNumber.IntValue());
var messages = package.Messages;
//Reliability reliability = package._reliability;
//if (reliability == Reliability.Reliable
// || reliability == Reliability.ReliableSequenced
// || reliability == Reliability.ReliableOrdered
// )
{
// Send ACK
Acks ack = new Acks();
ack.acks.Add(package._datagramSequenceNumber.IntValue());
byte[] data = ack.Encode();
//Log.Info("Send ACK #" + package._datagramSequenceNumber.IntValue());
SendData(data, senderEndpoint);
}
//if (LoginSent) return; //HACK
foreach (var message in messages)
{
if (message is SplitPartPackage)
{
lock (Session.SyncRoot)
{
var splits = Session.Splits;
SplitPartPackage splitMessage = message as SplitPartPackage;
int spId = package._splitPacketId;
int spIdx = package._splitPacketIndex;
int spCount = package._splitPacketCount;
Log.DebugFormat("Got split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
if (!splits.ContainsKey(spId))
{
splits.Add(spId, new SplitPartPackage[spCount]);
}
SplitPartPackage[] spPackets = splits[spId];
if (spIdx < 0 || spIdx >= spPackets.Length)
{
Log.DebugFormat("Unexpeted split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
continue;
}
if (splitMessage.Message == null)
{
Log.DebugFormat("Empty split package");
continue;
}
spPackets[spIdx] = splitMessage;
bool haveEmpty = false;
for (int i = 0; i < spPackets.Length; i++)
{
haveEmpty = haveEmpty || spPackets[i] == null;
}
if (!haveEmpty)
{
Log.DebugFormat("Got all {0} split packages for split ID: {1}", spCount, spId);
MemoryStream stream = new MemoryStream();
for (int i = 0; i < spPackets.Length; i++)
{
byte[] buf = spPackets[i].Message;
stream.Write(buf, 0, buf.Length);
}
try
{
byte[] buffer = stream.ToArray();
Log.DebugFormat("Processing split-message 0x{1:x2}, lenght={0}", buffer.Length, buffer[0]);
Package fullMessage = PackageFactory.CreatePackage(buffer[0], buffer) ?? new UnknownPackage(buffer[0], buffer);
HandlePackage(fullMessage, senderEndpoint);
fullMessage.PutPool();
continue;
}
catch (Exception e)
{
Log.Error("When processing split-message", e);
}
}
message.PutPool();
continue;
}
}
else
{
message.Timer.Restart();
HandlePackage(message, senderEndpoint);
message.PutPool();
}
}
//package.PutPool();
}
else if (header.isPacketPair)
{
Log.Warn("header.isPacketPair");
}
else if (header.isACK && header.isValid)
{
HandleAck(receiveBytes, senderEndpoint);
}
else if (header.isNAK && header.isValid)
{
Nak nak = new Nak();
nak.Decode(receiveBytes);
Log.Warn("!!!! NAK !!!!!" + nak.sequenceNumber.IntValue());
HandleNak(receiveBytes, senderEndpoint);
}
else if (!header.isValid)
{
Log.Warn("!!!! ERROR, Invalid header !!!!!");
}
else
{
Log.Warn("!! WHAT THE F");
}
}
}
internal virtual void OnReplyReceived(Reply reply)
{
{
var handler = ReplyReceived;
handler?.Invoke(this, new ReplyEventArgs {
Reply = reply
});
}
switch (reply.Type)
{
case ReplyType.Nak:
{
var handler = NakReplyReceived;
handler?.Invoke(this,
new NakReplyEventArgs(reply.ConnectionId, reply.Address,
Nak.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.LocalStatusReport:
{
var handler = LocalStatusReportReplyReceived;
handler?.Invoke(this,
new LocalStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.LocalStatus.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.InputStatusReport:
{
var handler = InputStatusReportReplyReceived;
handler?.Invoke(this,
new InputStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.InputStatus.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.OutputStatusReport:
{
var handler = OutputStatusReportReplyReceived;
handler?.Invoke(this,
new OutputStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.OutputStatus.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.ReaderStatusReport:
{
var handler = ReaderStatusReportReplyReceived;
handler?.Invoke(this,
new ReaderStatusReportReplyEventArgs(reply.ConnectionId, reply.Address,
Model.ReplyData.ReaderStatus.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.RawReaderData:
{
var handler = RawCardDataReplyReceived;
handler?.Invoke(this,
new RawCardDataReplyEventArgs(reply.ConnectionId, reply.Address,
RawCardData.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.ManufactureSpecific:
{
var handler = ManufacturerSpecificReplyReceived;
handler?.Invoke(this,
new ManufacturerSpecificReplyEventArgs(reply.ConnectionId, reply.Address,
ManufacturerSpecific.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.ExtendedRead:
{
var handler = ExtendedReadReplyReceived;
handler?.Invoke(this,
new ExtendedReadReplyEventArgs(reply.ConnectionId, reply.Address,
ExtendedRead.ParseData(reply.ExtractReplyData)));
break;
}
case ReplyType.PIVData:
{
var handler = PIVDataReplyReceived;
handler?.Invoke(this,
new PIVDataReplyEventArgs(reply.ConnectionId, reply.Address,
PIVData.ParseData(reply.ExtractReplyData)));
break;
}
}
}
private void HandleNak(PlayerNetworkSession session, byte[] receiveBytes)
{
if (session == null)
{
return;
}
Nak nak = Nak.CreateObject();
nak.Reset();
nak.Decode(receiveBytes);
var queue = session.WaitingForAcksQueue;
foreach (Tuple <int, int> range in nak.ranges)
{
Interlocked.Increment(ref ServerInfo.NumberOfNakReceive);
int start = range.Item1;
int end = range.Item2;
for (int i = start; i <= end; i++)
{
session.ErrorCount++;
// HACK: Just to make sure we aren't getting unessecary load on the queue during heavy buffering.
//if (ServerInfo.AvailableBytes > 1000) continue;
Datagram datagram;
//if (queue.TryRemove(i, out datagram))
if (!session.Evicted && queue.TryRemove(i, out datagram))
{
// RTT = RTT * 0.875 + rtt * 0.125
// RTTVar = RTTVar * 0.875 + abs(RTT - rtt)) * 0.125
// RTO = RTT + 4 * RTTVar
long rtt = datagram.Timer.ElapsedMilliseconds;
long RTT = session.Rtt;
long RTTVar = session.RttVar;
session.Rtt = (long)(RTT * 0.875 + rtt * 0.125);
session.RttVar = (long)(RTTVar * 0.875 + Math.Abs(RTT - rtt) * 0.125);
session.Rto = session.Rtt + 4 * session.RttVar + 100; // SYNC time in the end
FastThreadPool.QueueUserWorkItem(delegate
{
var dgram = (Datagram)datagram;
if (Log.IsDebugEnabled)
{
Log.WarnFormat("NAK, resent datagram #{0} for {1}", dgram.Header.datagramSequenceNumber, session.Username);
}
SendDatagram(session, dgram);
Interlocked.Increment(ref ServerInfo.NumberOfResends);
});
}
else
{
if (Log.IsDebugEnabled)
{
Log.WarnFormat("NAK, no datagram #{0} for {1}", i, session.Username);
}
}
}
}
nak.PutPool();
}
/// <summary>
/// Processes a message.
/// </summary>
/// <param name="receiveBytes">The received bytes.</param>
/// <param name="senderEndpoint">The sender's endpoint.</param>
/// <exception cref="System.Exception">Receive ERROR, NAK in wrong place</exception>
private void ProcessMessage(byte[] receiveBytes, IPEndPoint senderEndpoint)
{
//_serverEndpoint = senderEndpoint;
byte msgId = receiveBytes[0];
if (msgId <= (byte)DefaultMessageIdTypes.ID_USER_PACKET_ENUM)
{
DefaultMessageIdTypes msgIdType = (DefaultMessageIdTypes)msgId;
Package message = PackageFactory.CreatePackage(msgId, receiveBytes);
if (message == null)
{
return;
}
TraceReceive(message);
switch (msgIdType)
{
case DefaultMessageIdTypes.ID_UNCONNECTED_PONG:
{
//Thread.Sleep(50);
UnconnectedPong incoming = (UnconnectedPong)message;
SendOpenConnectionRequest1();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_1:
{
//Thread.Sleep(50);
OpenConnectionReply1 incoming = (OpenConnectionReply1)message;
if (incoming.mtuSize < _mtuSize)
{
throw new Exception("Error:" + incoming.mtuSize);
}
SendOpenConnectionRequest2();
break;
}
case DefaultMessageIdTypes.ID_OPEN_CONNECTION_REPLY_2:
{
OpenConnectionReply2 incoming = (OpenConnectionReply2)message;
//Thread.Sleep(50);
//_mtuSize = incoming.mtuSize;
SendConnectionRequest();
break;
}
case DefaultMessageIdTypes.ID_CONNECTION_REQUEST_ACCEPTED:
{
//Thread.Sleep(50);
SendNewIncomingConnection();
var t1 = new Timer(state => SendConnectedPing(), null, 0, 5000);
//Thread.Sleep(50);
SendLogin("Client12");
break;
}
}
}
else
{
DatagramHeader header = new DatagramHeader(receiveBytes[0]);
if (!header.isACK && !header.isNAK && header.isValid)
{
if (receiveBytes[0] == 0xa0)
{
throw new Exception("Receive ERROR, NAK in wrong place");
}
ConnectedPackage package = ConnectedPackage.CreateObject();
package.Decode(receiveBytes);
Log.Debug(">\tReceive Datagram #" + package._datagramSequenceNumber.IntValue());
var messages = package.Messages;
//Log.Debug("Received package: #" + package._datagramSequenceNumber.IntValue());
Reliability reliability = package._reliability;
//Log.InfoFormat("Reliability: {0}", reliability);
//if (reliability == Reliability.Reliable
// || reliability == Reliability.ReliableSequenced
// || reliability == Reliability.ReliableOrdered
// )
{
// Send ACK
Acks ack = new Acks();
ack.acks.Add(package._datagramSequenceNumber.IntValue());
byte[] data = ack.Encode();
//Log.Debug("<\tSend ACK on #" + package._datagramSequenceNumber.IntValue());
SendData(data, senderEndpoint);
}
foreach (var message in messages)
{
if (message is SplitPartPackage)
{
SplitPartPackage splitMessage = message as SplitPartPackage;
int spId = package._splitPacketId;
int spIdx = package._splitPacketIndex;
int spCount = package._splitPacketCount;
Log.DebugFormat("Got split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
if (!_splits.ContainsKey(spId))
{
_splits[spId] = new SplitPartPackage[spCount];
}
else
{
Log.WarnFormat("Resent split package {2} (of {0}) for split ID: {1}", spCount, spId, spIdx);
}
SplitPartPackage[] spPackets = _splits[spId];
spPackets[spIdx] = splitMessage;
bool haveEmpty = false;
for (int i = 0; i < spPackets.Length; i++)
{
haveEmpty = haveEmpty || spPackets[i] == null;
}
if (!haveEmpty)
{
Log.WarnFormat("Got all {0} split packages for split ID: {1}", spCount, spId);
MemoryStream stream = new MemoryStream();
for (int i = 0; i < spPackets.Length; i++)
{
byte[] buf = spPackets[i].Message;
stream.Write(buf, 0, buf.Length);
}
try
{
byte[] buffer = stream.ToArray();
var fullMessage = PackageFactory.CreatePackage(buffer[0], buffer) ?? new UnknownPackage(buffer[0], buffer);
Log.Debug("Processing split-message");
HandlePackage(fullMessage, senderEndpoint);
fullMessage.PutPool();
}
catch (Exception e)
{
Log.Warn("When processing split-message", e);
}
}
message.PutPool();
return;
}
{
message.Timer.Restart();
HandlePackage(message, senderEndpoint);
//message.PutPool();
}
}
//package.PutPool();
}
else if (header.isPacketPair)
{
Log.Warn("header.isPacketPair");
}
else if (header.isACK && header.isValid)
{
HandleAck(receiveBytes, senderEndpoint);
}
else if (header.isNAK && header.isValid)
{
Nak nak = new Nak();
nak.Decode(receiveBytes);
Log.Warn("!!!! NAK !!!!!" + nak.sequenceNumber.IntValue());
HandleNak(receiveBytes, senderEndpoint);
}
else if (!header.isValid)
{
Log.Warn("!!!! ERROR, Invalid header !!!!!");
}
else
{
Log.Warn("!! WHAT THE F");
}
}
}
