internal void Launch(float xSpeed, float rotationSpeed)
{
state = PacketState.Flying;
this.xSpeed = xSpeed;
this.rotationSpeed = rotationSpeed;
//this.rotationSpeed = 0;
}
private bool ReadBody(ref bool readFromNetwork)
{
if ((this.writeIndex == this.headerIndex) && this.lastPacket)
{
this.packetState = PacketState.Complete;
return(true);
}
if (this.readIndex < this.headerIndex)
{
if ((this.writeIndex < this.headerIndex) && (this.writeIndex < this.buffer.Length))
{
readFromNetwork = true;
}
else if (this.readIndex < this.buffer.Length)
{
return(true);
}
}
else
{
this.packetState = PacketState.Header;
}
return(false);
}
public Packet(byte[] buffer)
{
this.state = PacketState.Read;
this.memoryStream = new MemoryStream(buffer, 0, buffer.Length);
this.memoryReader = new BinaryReader(this.memoryStream);
}
public byte[] Compile(out int length)
{
if (mCompiledBuffer == null)
{
if ((mState & PacketState.Accessed) == 0)
{
mState |= PacketState.Accessed;
}
else
{
if ((mState & PacketState.Warned) == 0)
{
mState |= PacketState.Warned;
try {
using (StreamWriter op = new StreamWriter("net_opt.log", true)) {
op.WriteLine("Redundant compile for packet {0}, use Acquire() and Release()", this.GetType());
op.WriteLine(new System.Diagnostics.StackTrace());
}
} catch { }
}
mCompiledBuffer = new byte[0];
mCompiledLength = 0;
length = mCompiledLength;
return(mCompiledBuffer);
}
InternalCompile();
}
length = mCompiledLength;
return(mCompiledBuffer);
}
private void ReadHeader(ref bool readFromNetwork)
{
if (this.writeIndex >= (this.headerIndex + TcpHeaderLength))
{
int packetLength = Utilities.ToInt32BigEndian(this.buffer.AsSpan(this.headerIndex, TcpHeaderLength));
if (packetLength < 0)
{
this.lastPacket = true;
packetLength &= 0x0fffffff;
}
if (((packetLength % 4) != 0) || (packetLength == 0))
{
throw new RpcException("This is not an XDR stream.");
}
this.packetState = PacketState.Body;
this.bodyIndex = this.headerIndex + TcpHeaderLength;
this.headerIndex = this.bodyIndex + packetLength;
this.readIndex = this.bodyIndex;
}
else
{
readFromNetwork = true;
}
}
private void Update()
{
// Ale gunwo, popraw to.
if (state == PacketState.Flying)
{
transform.Translate(Vector3.right * xSpeed * Time.deltaTime, Space.World);
transform.Rotate(Vector3.forward * rotationSpeed);
}
if (state == PacketState.MovingToCollectedDestination)
{
//gameObject.transform.position = Vector2.MoveTowards(transform.position, destinationPosition, Time.deltaTime * 5f);
transform.position = Vector2.Lerp(transform.position, destinationPosition, Time.deltaTime * 4f);
transform.rotation = Quaternion.Lerp(transform.rotation, Quaternion.identity, Time.deltaTime * 10f);
if (Vector2.Distance(transform.position, destinationPosition) < 0.1)
{
print("reached destination " + name);
transform.position = destinationPosition;
FindObjectOfType <RoundManager>().RewindPacketIfCollectedOnPosition(col, row);
state = PacketState.Collected;
}
}
}
// Respones functions
#region HelloGame ^^
private void ParseTicket(string packet)
{
var date = packet.Split('|')[0];
var ip = packet.Split('|')[1];
if (DateTime.ParseExact(date, "MM/dd/yyyy HH:mm:ss", null).AddSeconds(Constant.TicketTimeExpiredInterval) <
DateTime.ParseExact(DateTime.Now.ToString("MM/dd/yyyy HH:mm:ss"), "MM/dd/yyyy HH:mm:ss", null))
{
_client.SendPackets(Packet.TicketExpired);
_client.OnSocketClosed();
}
else if (ip.Equals(_client.Socket.IP))
{
_client.SendPackets(Packet.InvalidIp);
_client.OnSocketClosed();
}
else
{
var account = packet.Split('|')[2].Split(',');
try
{
_client.Account = new Account
{
Id = int.Parse(account[0]),
Username = account[1],
Password = account[2],
Pseudo = account[3],
Question = account[4],
Reponse = account[5],
GmLevel = int.Parse(account[7]),
BannedUntil =
account[8] == ""
? (DateTime?)null
: DateTime.Parse(account[8].ToString(CultureInfo.InvariantCulture)),
Subscription =
account[9] == ""
? (DateTime?)null
: DateTime.Parse(account[9].ToString(CultureInfo.InvariantCulture)),
};
_packetState = PacketState.CharactersInfos;
AccountRepository.UpdateAccount(_client.Account.Id);
AccountRepository.UpdateCharactersList(_client.Account.Id);
_packetState = PacketState.CharactersInfos;
_client.SendPackets(Packet.TicketAccepted);
}
catch (Exception e)
{
SilverConsole.WriteLine(e.Message, ConsoleColor.Red);
Logs.LogWritter(Constant.ErrorsFolder,
string.Format("Impossible de charger le compte {0}", account[1]));
}
}
}
public void SetState(PacketState state)
{
if (state == _state)
{
return;
}
_state = state;
}
public Packet()
{
this.state = PacketState.Write;
this.memoryStream = new MemoryStream();
this.memoryWriter = new BinaryWriter(this.memoryStream);
this.Write(0); // packet size
}
public HandshakePacket(int protocolVersion, string serverAddress, ushort serverPort, PacketState nextState) : base(PacketType.ToServer.Handshake
.handshake)
{
this.protocolVersion = protocolVersion;
this.serverAddress = serverAddress;
this.serverPort = serverPort;
this.nextState = nextState;
}
public void Init(SplittedImage parentSplittedImage, int col, int row, Sprite sprite, PacketType packetType)
{
this.parentSplittedImage = parentSplittedImage;
this.packetType = packetType;
this.col = col;
this.row = row;
GetComponent <SpriteRenderer>().sprite = sprite;
state = PacketState.ReadyToLaunch;
name = sprite.name;
}
internal void OnCollected()
{
state = PacketState.MovingToCollectedDestination;
destinationPosition = GameObject.Find("GoodImageResult").transform.position;
SpriteRenderer sr = GetComponent <SpriteRenderer>();
float w = sr.sprite.bounds.size.x;
float h = sr.sprite.bounds.size.y;
destinationPosition.x += col * w + w * 0.5f;
destinationPosition.y -= row * h + h * 0.5f;
}
public void ReadPacketTest(byte[] rawData, PacketState state)
{
using var stream = new MemoryStream(rawData);
using var archive = new Unreal.Core.BinaryReader(stream);
var reader = new MockReplayReader();
var result = reader.ReadPacket(archive);
Assert.True(archive.AtEnd());
Assert.False(archive.IsError);
Assert.Equal(state, result.State);
}
public override bool Equals(object obj)
{
if ((obj == null) || (!(obj is PacketState)))
{
return(false);
}
PacketState source = (PacketState)obj;
return((PacketNumber == source.PacketNumber) &&
(Gamepad.Equals(source.Gamepad)));
}
public NetworkReadResult BeginReading()
{
this.readIndex = 0;
this.writeIndex = 0;
this.lastPacket = false;
this.headerIndex = 0;
this.bodyIndex = 0;
this.packetState = PacketState.Header;
return(this.FillBuffer());
}
public void OnData(byte[] data, int offset, int length)
{
try {
this._readStream.Write(data, offset, length);
while (this._readStream.Length >= this._needLenth)
{
if (this._packetState == PacketState.ReadHead)
{
if (this._readStream.Length >= this._needLenth) //头部读取完毕
{
long originPos = this._readStream.Position;
this._readStream.Position = 0;
this._readStream.Read(this.headBytes, 0, this.headBytes.Length); //从头部取出内容长度
int tmpIndex = 0;
this._bodyLength = BitConverterNoAlloc.ToInt32(this.headBytes, ref tmpIndex);
this._needLenth = this._bodyLength + this.headBytes.Length; //头部仍然在流中，所以加上头部的长度
this._packetState = PacketState.ReadBody;
this._readStream.Position = originPos; //恢复流位置
}
}
if (this._packetState == PacketState.ReadBody)
{
if (this._readStream.Length >= this._needLenth) //内容读取完毕
{
ArraySegment <byte> buffer;
if (!this._readStream.TryGetBuffer(out buffer))
{
throw new Exception("Get Buffer From Stream Error");
}
//先将剩余部分写在交换流中
int remainLength = (int)(this._readStream.Length - this._needLenth);
this._packetSwapStream.Write(buffer.Array, this._needLenth, remainLength);
//定位到内容部分并调用回调
this._readStream.SetLength(this._needLenth);
this._readStream.Position = this.headBytes.Length;
this._onPacket(this._readStream);
//重置包接收流并将剩余部分写入包接收流
this._readStream.Position = 0;
this._readStream.SetLength(0);
this._packetSwapStream.WriteTo(this._readStream);
//重置交换流
this._packetSwapStream.Position = 0;
this._packetSwapStream.SetLength(0);
ResetPacket();
}
}
}
} catch (Exception e) {
this._onError(e);
}
}
private void Free()
{
if (mCompiledBuffer == null)
{
return;
}
if ((mState & PacketState.Buffered) != 0)
{
mBuffers.ReleaseBuffer(mCompiledBuffer);
}
mState &= ~(PacketState.Static | PacketState.Acquired | PacketState.Buffered);
mCompiledBuffer = null;
}
private void SendCharacterInfos(string data)
{
var character = DatabaseProvider.Characters.Find(x => x.Id == int.Parse(data));
if (character == null)
{
return;
}
_client.Character = character;
_client.SendPackets(string.Format("{0}|{1}",
Packet.CharacterSelectedResponse,
character.InfosWheneSelectedCharacter()));
_packetState = PacketState.GameCreate;
}
public Packet(Stream stream)
{
// Это бесполезно конвертировать в фабрику,
// в которой можно использовать асинхронщину для
// чтения из стрима, потому что в общей библиотеке имеем 3.5
// фреймворк, поэтому будет некоторая копипаста на сервере.
byte[] sizeBytes = new byte[sizeof(long)];
stream.Read(sizeBytes, 0, sizeBytes.Length);
long size = BitConverter.ToInt64(sizeBytes, 0);
var formatter = new BinaryFormatter();
if (size == 0)
{
return;
}
long readSize = 0;
using (var memStream = new MemoryStream())
{
while (readSize < size)
{
long readBufferSize = 1024;
if (size - readSize < readBufferSize)
{
readBufferSize = size - readSize;
}
var readBuffer = new byte[readBufferSize];
int currentRead = stream.Read(readBuffer, 0, readBuffer.Length);
memStream.Write(readBuffer, 0, currentRead);
readSize += currentRead;
}
memStream.Position = 0;
state = (PacketState)formatter.Deserialize(memStream);
}
}
//void PacketReceived(IAsyncResult ar)
//{
// // End async and get data from socket
// PacketState state = (PacketState)ar.AsyncState;
// int bytesReceived = socket.EndReceiveFrom(ar, ref state.Sender);
// PacketReceived(state, bytesReceived);
//}
void PacketReceived(PacketState state)
{
if (state.BytesReceived == 0)
{
return;
}
IPEndPoint sender = (IPEndPoint)state.Sender;
if (ignoredConnections.Count > 0 && ignoredConnections.ContainsKey(sender))
{
return;
}
byte[] data = new byte[state.BytesReceived];
Buffer.BlockCopy(state.Buffer, 0, data, 0, state.BytesReceived);
// Handle packet
PacketReceived(data, sender);
}
public void ReadPacketTest(byte[] rawData, PacketState state)
{
using var stream = new MemoryStream(rawData);
using var archive = new Unreal.Core.BinaryReader(stream);
var reader = new MockReplayReader();
reader.SetReplay(new MockReplay
{
Header = new ReplayHeader
{
EngineNetworkVersion = EngineNetworkVersionHistory.HISTORY_OPTIONALLY_QUANTIZE_SPAWN_INFO,
NetworkVersion = NetworkVersionHistory.HISTORY_CHARACTER_MOVEMENT_NOINTERP,
Flags = ReplayHeaderFlags.HasStreamingFixes
}
});
var result = reader.ReadPacket(archive);
Assert.True(archive.AtEnd());
Assert.False(archive.IsError);
Assert.Equal(state, result);
}
private void SendCharacterGameInfos()
{
if (_client.Character == null)
{
return;
}
_client.SendPackets(string.Format("{0}|1|{1}", Packet.GameCreatedResponse, _client.Character.Name));
SendItemSetsBonnus();
RefreshCharacterStats();
_client.SendPackets(Packet.Restriction);
_client.SendPackets(string.Format("{0}{1}", Packet.Message, Packet.WelcomeToDofus));
_client.SendPackets(string.Format("{0}+{1}", Packet.SubscribeChannel,
string.Join("", _client.Character.Channels)));
LoadMap();
_packetState = PacketState.InGame;
}
private void SendCharacterGameInfos()
{
if (_client.Character == null) return;
_client.SendPackets(string.Format("{0}|1|{1}", Packet.GameCreatedResponse, _client.Character.Name));
SendItemSetsBonnus();
RefreshCharacterStats();
_client.SendPackets(Packet.Restriction);
_client.SendPackets(string.Format("{0}{1}", Packet.Message, Packet.WelcomeToDofus));
_client.SendPackets(string.Format("{0}+{1}", Packet.SubscribeChannel,
string.Join("", _client.Character.Channels)));
LoadMap();
_packetState = PacketState.InGame;
}
public void Copy(PacketState source)
{
PacketNumber = source.PacketNumber;
Gamepad.Copy(source.Gamepad);
}
public PacketEventArgs(PacketState state)
{
_State = state;
_Cancel = false;
}
public void switchState(PacketState state)
{
GD.Print("Changing state to " + state);
currentState = state;
}
public void Setup(byte[] src, int offset, int size, uint sequence, uint index, TimeSpan rto_interval, PacketState state)
{
if (src != null) {
Data[1] = (byte)(sequence >> 24);
Data[2] = (byte)(sequence >> 16);
Data[3] = (byte)(sequence >> 8);
Data[4] = (byte)(sequence);
Data[5] = (byte)(size >> 8);
Data[6] = (byte)(size);
Buffer.BlockCopy (src, offset, Data, HeaderSize, size);
Filled = HeaderSize + size;
} else {
Filled = 0;
}
Sequence = sequence;
Index = index;
RetransmitIndex = index;
RTO = DateTime.Now + rto_interval;
RTO_Interval = rto_interval;
Retries = 0;
State = state;
Start = DateTime.Now;
}
void ResetPacket()
{
this._needLenth = headBytes.Length;
this._packetState = PacketState.ReadHead;
}
// this function knows about the boundaries of the packets and receives complete packets,
// sending ACK / NAK as needed.
protected override void OnRxChar(byte ch)
{
bool prevDle = gotDle;
gotDle = (ch == 0x10);
uint uch = (uint)ch;
/*
if(gotDle || prevDle)
{
log("-- ch: " + ((byte)ch) + " gotDle=" + gotDle + " prevDle=" + prevDle + " p=" + rxPacket.RxBufferP + " state=" + packetState);
}
else
{
log("ch: " + ((byte)ch));
}
*/
switch(packetState)
{
case PacketState.resync:
//logError("resync -- ch: " + ((byte)ch));
resyncLostCount++;
if(prevDle && ch == 0x3) // wait for opening DLE
{
logError("resync --> outside, lost " + resyncLostCount + " chars");
packetState = PacketState.outside;
resyncLostCount = 0;
}
else if(gotDle && prevCh == 0x3)
{
logError("resync --> pid, lost " + resyncLostCount + " chars");
packetState = PacketState.pid;
resyncLostCount = 0;
}
break;
case PacketState.outside:
if(gotDle) // wait for opening DLE
{
packetState = PacketState.pid;
}
else
{
if(ch != 0x3)
{
//logError("-- inbetween: " + ((byte)ch));
}
else
{
//log("-- inbetween: " + ((byte)ch));
}
}
break;
case PacketState.pid:
if(gotDle || ch == 0x3)
{
// two DLE's is a wrong place ro resync, go on syncing:
packetState = PacketState.resync;
logError("-- two DLE's or 0x3 in pid");
break;
}
arxPacket = new RxPacket();
arxPacket.RxPacketId = ch;
//log("-- pid -- RxPacketId: " + arxPacket.RxPacketId);
packetState = PacketState.datalength;
break;
case PacketState.datalength:
// first DLE in sequence of two is ignored:
if(gotDle && prevDle || !gotDle) // DLE stuffing
{
if(prevDle && !gotDle) // single DLE not allowed - resync
{
logError("-- datalength ch: " + ((byte)ch) + " after single DLE caused resync");
packetState = PacketState.resync;
break;
}
arxPacket.RxDatalength = (int)uch;
//log("-- datalength -- RxDatalength: " + arxPacket.RxDatalength);
packetState = PacketState.data;
arxPacket.RxBufferP = 0;
gotDle = false; // so that prevDle won't be influenced by two legit DLE's
}
break;
case PacketState.data:
// first DLE in sequence of two is ignored:
if(gotDle && prevDle || !gotDle) // DLE stuffing
{
if(prevDle && !gotDle) // single DLE not allowed - resync
{
logError("-- data ch: " + ((byte)ch) + " after single DLE caused resync");
packetState = PacketState.resync;
break;
}
arxPacket.RxBuffer[arxPacket.RxBufferP++] = ch;
if(arxPacket.RxBufferP >= arxPacket.RxDatalength)
{
packetState = PacketState.chksum;
}
gotDle = false; // so that prevDle won't be influenced by two legit DLE's
}
break;
case PacketState.chksum:
// first DLE in sequence of two is ignored:
if(gotDle && prevDle || !gotDle) // DLE stuffing
{
if(prevDle && !gotDle) // single DLE not allowed - resync
{
logError("-- chksum ch: " + ((byte)ch) + " after single DLE caused resync");
packetState = PacketState.resync;
break;
}
arxPacket.RxBuffer[arxPacket.RxBufferP] = ch;
packetState = PacketState.trailer;
gotDle = false; // so that prevDle won't be influenced by two legit DLE's
}
break;
case PacketState.trailer:
logIncoming(arxPacket);
if(arxPacket.RxPacketId != (byte)BasicPids.Pid_Ack_Byte && arxPacket.RxPacketId != (byte)BasicPids.Pid_Nak_Byte)
{
// some devices respond with two-byte ACK/NAK and do not understand standard
// one-byte ACK/NAK. Match our response with whatever they have sent us before:
byte[] rspBody = useTwoByteAck ? new byte[] { 0x0, 0x2, 0x0, 0x0 }
: new byte[] { 0x0, 0x1, 0x0 };
// incoming ACK/NAK are not responded to, others are:
byte cs = RxChecksum(arxPacket);
if(ch != 0x10 || cs != arxPacket.RxBuffer[arxPacket.RxBufferP])
{
logError("bad packet received (sending NAK) - ch=" + ((byte)ch) + " RxPacketId=" + arxPacket.RxPacketId + " cs=" + cs + " rec_cs=" + arxPacket.RxBuffer[arxPacket.RxBufferP]);
arxPacket.RxBufferP = 0; // buffer data no good
// prepare to send NAK:
rspBody[0] = (byte)BasicPids.Pid_Nak_Byte;
arxPacket.RxBadPacket = true; // signal bad packet has been received and NAK'ed
rspBody[2] = arxPacket.RxPacketId;
Send(rspBody); // send NAK
}
else
{
//log("good packet received (sending ACK) - ch=" + ((byte)ch) + " RxPacketId=" + arxPacket.RxPacketId + " cs=" + cs);
// prepare to send ACK:
rspBody[0] = (byte)BasicPids.Pid_Ack_Byte;
arxPacket.RxBadPacket = false;
rspBody[2] = arxPacket.RxPacketId;
Send(rspBody); // send ACK
}
}
else
{
// incoming ACK / NAK are not responded to
arxPacket.RxBadPacket = false; // ACK / NAK considered good no matter what.
useTwoByteAck = (arxPacket.RxDatalength == 2); // make sure we match their ACK size
}
rxPacket = arxPacket;
arxPacket = null;
gotDle = false; // trailer is a real DLE and doesn't participate in DLE stuffing
resyncLostCount = 0;
/*
if (TransFlag.WaitOne(0,false)) // Transact/Receive waiting for result?
{
// we are not in Transact, let async OnRxPacket() work:
if(!RxBadPacket)
{
byte[] packetBody;
lock(RxBuffer)
{
packetBody = new Byte[RxBufferP - 1];
Array.Copy(RxBuffer, packetBody, (int)RxBufferP - 1);
RxBufferP = 0;
}
OnRxPacket(RxPacketId, packetBody); // good unsolicited packet - call the callback function
// knowing that ACK or NAK has been already sent
}
else
{
RxBufferP = 0;
OnRxPacket(RxPacketId, null); // bad unsolicited packet - call the callback function
// knowing that ACK or NAK has been already sent
}
}
else
*/
{
TransFlag.Set(); // we are in Transact or Receive, let it pick the result, good or bad,
// knowing that ACK or NAK has been already sent
}
packetState = PacketState.outside; // 0x3 will be ignored in search for 0x10
break;
}
prevCh = ch;
}
public static extern int XInputGetState
(
int dwUserIndex, // [in] Index of the gamer associated with the device
ref PacketState pState // [out] Receives the current state
);
public void Acquire() {
mState |= PacketState.Acquired;
}
// this function knows about the boundaries of the packets and receives complete packets,
// sending ACK / NAK as needed.
protected override void OnRxChar(byte ch)
{
bool prevDle = gotDle;
gotDle = (ch == 0x10);
uint uch = (uint)ch;
/*
* if(gotDle || prevDle)
* {
* log("-- ch: " + ((byte)ch) + " gotDle=" + gotDle + " prevDle=" + prevDle + " p=" + rxPacket.RxBufferP + " state=" + packetState);
* }
* else
* {
* log("ch: " + ((byte)ch));
* }
*/
switch (packetState)
{
case PacketState.resync:
//logError("resync -- ch: " + ((byte)ch));
resyncLostCount++;
if (prevDle && ch == 0x3) // wait for opening DLE
{
logError("resync --> outside, lost " + resyncLostCount + " chars");
packetState = PacketState.outside;
resyncLostCount = 0;
}
else if (gotDle && prevCh == 0x3)
{
logError("resync --> pid, lost " + resyncLostCount + " chars");
packetState = PacketState.pid;
resyncLostCount = 0;
}
break;
case PacketState.outside:
if (gotDle) // wait for opening DLE
{
packetState = PacketState.pid;
}
else
{
if (ch != 0x3)
{
//logError("-- inbetween: " + ((byte)ch));
}
else
{
//log("-- inbetween: " + ((byte)ch));
}
}
break;
case PacketState.pid:
if (gotDle || ch == 0x3)
{
// two DLE's is a wrong place ro resync, go on syncing:
packetState = PacketState.resync;
logError("-- two DLE's or 0x3 in pid");
break;
}
arxPacket = new RxPacket();
arxPacket.RxPacketId = ch;
//log("-- pid -- RxPacketId: " + arxPacket.RxPacketId);
packetState = PacketState.datalength;
break;
case PacketState.datalength:
// first DLE in sequence of two is ignored:
if (gotDle && prevDle || !gotDle) // DLE stuffing
{
if (prevDle && !gotDle) // single DLE not allowed - resync
{
logError("-- datalength ch: " + ((byte)ch) + " after single DLE caused resync");
packetState = PacketState.resync;
break;
}
arxPacket.RxDatalength = (int)uch;
//log("-- datalength -- RxDatalength: " + arxPacket.RxDatalength);
packetState = PacketState.data;
arxPacket.RxBufferP = 0;
gotDle = false; // so that prevDle won't be influenced by two legit DLE's
}
break;
case PacketState.data:
// first DLE in sequence of two is ignored:
if (gotDle && prevDle || !gotDle) // DLE stuffing
{
if (prevDle && !gotDle) // single DLE not allowed - resync
{
logError("-- data ch: " + ((byte)ch) + " after single DLE caused resync");
packetState = PacketState.resync;
break;
}
arxPacket.RxBuffer[arxPacket.RxBufferP++] = ch;
if (arxPacket.RxBufferP >= arxPacket.RxDatalength)
{
packetState = PacketState.chksum;
}
gotDle = false; // so that prevDle won't be influenced by two legit DLE's
}
break;
case PacketState.chksum:
// first DLE in sequence of two is ignored:
if (gotDle && prevDle || !gotDle) // DLE stuffing
{
if (prevDle && !gotDle) // single DLE not allowed - resync
{
logError("-- chksum ch: " + ((byte)ch) + " after single DLE caused resync");
packetState = PacketState.resync;
break;
}
arxPacket.RxBuffer[arxPacket.RxBufferP] = ch;
packetState = PacketState.trailer;
gotDle = false; // so that prevDle won't be influenced by two legit DLE's
}
break;
case PacketState.trailer:
logIncoming(arxPacket);
if (arxPacket.RxPacketId != (byte)BasicPids.Pid_Ack_Byte && arxPacket.RxPacketId != (byte)BasicPids.Pid_Nak_Byte)
{
// some devices respond with two-byte ACK/NAK and do not understand standard
// one-byte ACK/NAK. Match our response with whatever they have sent us before:
byte[] rspBody = useTwoByteAck ? new byte[] { 0x0, 0x2, 0x0, 0x0 }
: new byte[] { 0x0, 0x1, 0x0 };
// incoming ACK/NAK are not responded to, others are:
byte cs = RxChecksum(arxPacket);
if (ch != 0x10 || cs != arxPacket.RxBuffer[arxPacket.RxBufferP])
{
logError("bad packet received (sending NAK) - ch=" + ((byte)ch) + " RxPacketId=" + arxPacket.RxPacketId + " cs=" + cs + " rec_cs=" + arxPacket.RxBuffer[arxPacket.RxBufferP]);
arxPacket.RxBufferP = 0; // buffer data no good
// prepare to send NAK:
rspBody[0] = (byte)BasicPids.Pid_Nak_Byte;
arxPacket.RxBadPacket = true; // signal bad packet has been received and NAK'ed
rspBody[2] = arxPacket.RxPacketId;
Send(rspBody); // send NAK
}
else
{
//log("good packet received (sending ACK) - ch=" + ((byte)ch) + " RxPacketId=" + arxPacket.RxPacketId + " cs=" + cs);
// prepare to send ACK:
rspBody[0] = (byte)BasicPids.Pid_Ack_Byte;
arxPacket.RxBadPacket = false;
rspBody[2] = arxPacket.RxPacketId;
Send(rspBody); // send ACK
}
}
else
{
// incoming ACK / NAK are not responded to
arxPacket.RxBadPacket = false; // ACK / NAK considered good no matter what.
useTwoByteAck = (arxPacket.RxDatalength == 2); // make sure we match their ACK size
}
rxPacket = arxPacket;
arxPacket = null;
gotDle = false; // trailer is a real DLE and doesn't participate in DLE stuffing
resyncLostCount = 0;
/*
* if (TransFlag.WaitOne(0,false)) // Transact/Receive waiting for result?
* {
* // we are not in Transact, let async OnRxPacket() work:
* if(!RxBadPacket)
* {
* byte[] packetBody;
* lock(RxBuffer)
* {
* packetBody = new Byte[RxBufferP - 1];
* Array.Copy(RxBuffer, packetBody, (int)RxBufferP - 1);
* RxBufferP = 0;
* }
* OnRxPacket(RxPacketId, packetBody); // good unsolicited packet - call the callback function
* // knowing that ACK or NAK has been already sent
* }
* else
* {
* RxBufferP = 0;
* OnRxPacket(RxPacketId, null); // bad unsolicited packet - call the callback function
* // knowing that ACK or NAK has been already sent
* }
* }
* else
*/
{
TransFlag.Set(); // we are in Transact or Receive, let it pick the result, good or bad,
// knowing that ACK or NAK has been already sent
}
packetState = PacketState.outside; // 0x3 will be ignored in search for 0x10
break;
}
prevCh = ch;
}
private void ParseTicket(string packet)
{
var date = packet.Split('|')[0];
var ip = packet.Split('|')[1];
if (DateTime.ParseExact(date, "MM/dd/yyyy HH:mm:ss", null).AddSeconds(Constant.TicketTimeExpiredInterval) <
DateTime.ParseExact(DateTime.Now.ToString("MM/dd/yyyy HH:mm:ss"), "MM/dd/yyyy HH:mm:ss", null))
{
_client.SendPackets(Packet.TicketExpired);
_client.OnSocketClosed();
}
else if (ip.Equals(_client.Socket.IP))
{
_client.SendPackets(Packet.InvalidIp);
_client.OnSocketClosed();
}
else
{
var account = packet.Split('|')[2].Split(',');
try
{
_client.Account = new Account
{
Id = int.Parse(account[0]),
Username = account[1],
Password = account[2],
Pseudo = account[3],
Question = account[4],
Reponse = account[5],
GmLevel = int.Parse(account[7]),
BannedUntil =
account[8] == ""
? (DateTime?) null
: DateTime.Parse(account[8].ToString(CultureInfo.InvariantCulture)),
Subscription =
account[9] == ""
? (DateTime?) null
: DateTime.Parse(account[9].ToString(CultureInfo.InvariantCulture)),
};
_packetState = PacketState.CharactersInfos;
AccountRepository.UpdateAccount(_client.Account.Id);
AccountRepository.UpdateCharactersList(_client.Account.Id);
_packetState = PacketState.CharactersInfos;
_client.SendPackets(Packet.TicketAccepted);
}
catch (Exception e)
{
SilverConsole.WriteLine(e.Message, ConsoleColor.Red);
Logs.LogWritter(Constant.ErrorsFolder,
string.Format("Impossible de charger le compte {0}", account[1]));
}
}
}
public void SetStatic() {
mState |= PacketState.Static | PacketState.Acquired;
}
private void Free() {
if( mCompiledBuffer == null )
return;
if( ( mState & PacketState.Buffered ) != 0 )
mBuffers.ReleaseBuffer( mCompiledBuffer );
mState &= ~( PacketState.Static | PacketState.Acquired | PacketState.Buffered );
mCompiledBuffer = null;
}
private void SendCharacterInfos(string data)
{
var character = DatabaseProvider.Characters.Find(x => x.Id == int.Parse(data));
if (character == null) return;
_client.Character = character;
_client.SendPackets(string.Format("{0}|{1}",
Packet.CharacterSelectedResponse,
character.InfosWheneSelectedCharacter()));
_packetState = PacketState.GameCreate;
}
public void HandleReceivedData(byte[] buffer, int offset, int bytesRead)
{
List <byte> receivedData = new List <byte>();
byte b;
for (int i = offset; i < bytesRead; i++)
{
b = buffer[i];
switch (currentPacketState)
{
case PacketState.NORMAL:
if (b == Constants.SWITCH)
{
currentReceiveState = ReceiveState.SWITCH;
currentPacketState = PacketState.READING_ID;
}
else if (b == Constants.END)
{
currentReceiveState = ReceiveState.END;
currentPacketState = PacketState.READING_ID;
}
else if (b == Constants.ESC)
{
currentPacketState = PacketState.IN_ESC;
}
else
{
if (!in_packet)
{
throw new Exception("Received data before receiving packet Id");
}
receivedData.Add(b);
}
break;
case PacketState.IN_ESC:
receivedData.Add(b);
currentPacketState = PacketState.NORMAL;
break;
case PacketState.READING_ID:
idBuffer[idBufferCounter++] = b;
if (idBufferCounter >= 4)
{
idBufferCounter = 0;
currentId = System.Net.IPAddress.HostToNetworkOrder(BitConverter.ToInt32(idBuffer, 0));
currentPacketState = PacketState.NORMAL;
if (currentReceiveState == ReceiveState.SWITCH)
{
//New packet
in_packet = true;
}
else if (currentReceiveState == ReceiveState.END)
{
//End packet
if (DataReceived != null)
{
DataReceived(this, new DataReceivedEventArgs()
{
Id = currentId,
Data = receivedData.Count > 0 ? receivedData.ToArray() : null,
isEnd = true
});
}
prevId = currentId;
currentId = 0;
in_packet = false;
receivedData.Clear();
}
}
break;
}
}
if (in_packet && receivedData.Count != 0 && DataReceived != null)
{
DataReceived(this, new DataReceivedEventArgs()
{
Id = currentId,
Data = receivedData.ToArray(),
isEnd = false
});
}
}
protected void SetState(PacketState nState)
{
this.mState = nState;
}
internal void SetState(PacketState newState)
{
state = newState;
}
public byte[] Compile( out int length ) {
if( mCompiledBuffer == null ) {
if( ( mState & PacketState.Accessed ) == 0 ) {
mState |= PacketState.Accessed;
} else {
if( ( mState & PacketState.Warned ) == 0 ) {
mState |= PacketState.Warned;
try {
using( StreamWriter op = new StreamWriter( "net_opt.log", true ) ) {
op.WriteLine( "Redundant compile for packet {0}, use Acquire() and Release()", this.GetType() );
op.WriteLine( new System.Diagnostics.StackTrace() );
}
} catch { }
}
mCompiledBuffer = new byte[ 0 ];
mCompiledLength = 0;
length = mCompiledLength;
return mCompiledBuffer;
}
InternalCompile();
}
length = mCompiledLength;
return mCompiledBuffer;
}
