public void SendUnencoded(string text, Action<Exception> callback = null)
{
byte[] writeBuffer = Encoding.GetBytes(text);
NetworkStream netstream = _tcp.GetStream();
var state = new SendState(netstream, callback);
netstream.BeginWrite(writeBuffer, 0, writeBuffer.Length, SendCallback, state);
}
public void Send(string text, Action<Exception> callback = null)
{
Debug.WriteLine(text);
byte[] writeBuffer = EncodeServerData(text);
NetworkStream netstream = _tcp.GetStream();
var state = new SendState(netstream, callback);
netstream.BeginWrite(writeBuffer, 0, writeBuffer.Length, SendCallback, state);
}
public void SendPacket(Packet pkt)
{
pendingPackets.Enqueue(pkt);
if (CanSendPacket(send, false))
{
var dat = (send.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
send.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(send))
IOCompleted(this, send);
}
}
private void serialData(string s)
{
txtLog.AppendText(s);
string[] sLines = s.Split(new char[]{'\n'}, StringSplitOptions.RemoveEmptyEntries);
foreach (string sLine in sLines)
{
bool isOk = sLine.StartsWith("200 OK ");
if (_sendState == SendState.WAITFORSEND && isOk)
_sendState = SendState.SENDINGFILE;
if (_sendState == SendState.SENDINGFILE && isOk)
{
NextFile();
return;
}
}
}
void IConnectionAdapter.Send(Frame frame)
{
SendState state;
if (_closing || _disposed)
return;
state = new SendState();
state.data = frame.ToBytes();
if (_sending)
{
_sendQueue.Enqueue(state);
return;
}
processSendState(state);
}
public void AddtoSend(byte[] inData, byte inLen)
{
Console.WriteLine("_crtSendState:" + _crtSendState);
if (_crtSendState != SendState.IDEL)
{
//throw new Exception("Com not ready!!");
}
else
{
_crtSendState = SendState.SENDING;
byte[] sendbuf = Packet2Cmd(inData, inLen);
_CrtSendBuf = sendbuf.ToList();
_InData.Clear();
PrintCmd(sendbuf);
Sendcmd(sendbuf, sendbuf.Length);
_crtSendState = SendState.RECEIVEING;
tmr.Start();
}
}
private void NextFile()
{
_sendState = SendState.NONE;
if (_workQueue.Count == 0)
DumpFileTable();
else
{
SendOneFile(_workQueue[0].FullName);
_workQueue.RemoveAt(0);
}
}
/// <summary>
/// Callback method for asynchronous connect operation.
/// </summary>
private void ProcessConnect(ConnectState connectState)
{
ReceiveState receiveState = null;
SendState sendState = null;
try
{
// Quit if this connection loop has been cancelled
if (connectState.Token.Cancelled)
return;
// Increment the number of connection attempts that
// have occurred in this asynchronous connection loop
connectState.ConnectionAttempts++;
// Check the SocketAsyncEventArgs for errors during the asynchronous connection attempt
if (connectState.ConnectArgs.SocketError != SocketError.Success)
throw new SocketException((int)connectState.ConnectArgs.SocketError);
// Set the size of the buffer used by the socket to store incoming data from the server
connectState.Socket.ReceiveBufferSize = ReceiveBufferSize;
if (m_integratedSecurity)
{
#if !MONO
// Check the state of cancellation one more time before
// proceeding to the next step of the connection loop
if (connectState.Token.Cancelled)
return;
// Create the SslStream object used to perform
// send and receive operations on the socket
connectState.NetworkStream = new NetworkStream(connectState.Socket, false);
connectState.NegotiateStream = new NegotiateStream(connectState.NetworkStream, true);
connectState.NegotiateStream.BeginAuthenticateAsClient(m_networkCredential ?? (NetworkCredential)CredentialCache.DefaultCredentials, string.Empty, ProcessIntegratedSecurityAuthentication, connectState);
#endif
}
else
{
// Initialize the SocketAsyncEventArgs for receive operations
connectState.ReceiveArgs = FastObjectFactory<SocketAsyncEventArgs>.CreateObjectFunction();
connectState.ReceiveArgs.SetBuffer(new byte[ReceiveBufferSize], 0, ReceiveBufferSize);
if (m_payloadAware)
connectState.ReceiveArgs.Completed += (sender, args) => ProcessReceivePayloadAware((ReceiveState)args.UserToken);
else
connectState.ReceiveArgs.Completed += (sender, args) => ProcessReceivePayloadUnaware((ReceiveState)args.UserToken);
// Initialize the SocketAsyncEventArgs for send operations
connectState.SendArgs = FastObjectFactory<SocketAsyncEventArgs>.CreateObjectFunction();
connectState.SendArgs.SetBuffer(new byte[SendBufferSize], 0, SendBufferSize);
connectState.SendArgs.Completed += (sender, args) => ProcessSend((SendState)args.UserToken);
// Initialize state object for the asynchronous send loop
sendState = new SendState();
sendState.Token = connectState.Token;
sendState.Socket = connectState.Socket;
sendState.ReceiveArgs = connectState.ReceiveArgs;
sendState.SendArgs = connectState.SendArgs;
sendState.SendArgs.UserToken = sendState;
// Store sendState in m_sendState so that calls to Disconnect
// and Dispose can dispose resources and cancel asynchronous loops
m_sendState = sendState;
// Check the state of cancellation one more time before
// proceeding to the next step of the connection loop
if (connectState.Token.Cancelled)
return;
// Notify of established connection
m_connectWaitHandle.Set();
OnConnectionEstablished();
// Initialize state object for the asynchronous receive loop
receiveState = new ReceiveState();
receiveState.Token = connectState.Token;
receiveState.Socket = connectState.Socket;
receiveState.Buffer = connectState.ReceiveArgs.Buffer;
receiveState.ReceiveArgs = connectState.ReceiveArgs;
receiveState.ReceiveArgs.UserToken = receiveState;
receiveState.SendArgs = connectState.SendArgs;
// Store receiveState in m_receiveState so that calls to Disconnect
// and Dispose can dispose resources and cancel asynchronous loops
m_receiveState = receiveState;
// Start receiving data
if (m_payloadAware)
ReceivePayloadAwareAsync(receiveState);
else
ReceivePayloadUnawareAsync(receiveState);
// Further socket interactions are handled through the ReceiveArgs
// and SendArgs objects, so the ConnectArgs is no longer needed
connectState.ConnectArgs.Dispose();
}
}
catch (SocketException ex)
{
// Log exception during connection attempt
OnConnectionException(ex);
// If the connection is refused by the server,
// keep trying until we reach our maximum connection attempts
if (ex.SocketErrorCode == SocketError.ConnectionRefused &&
(MaxConnectionAttempts == -1 || connectState.ConnectionAttempts < MaxConnectionAttempts))
{
// Server is unavailable, so keep retrying connection to the server.
try
{
ConnectAsync(connectState);
}
catch
{
TerminateConnection(connectState.Token);
}
}
else
{
// For any other reason, clean-up as if the client was disconnected.
TerminateConnection(connectState.Token);
}
}
catch (Exception ex)
{
// Log exception during connection attempt
OnConnectionException(ex);
// Terminate the connection
TerminateConnection(connectState.Token);
}
finally
{
// If the operation was cancelled during execution,
// make sure to dispose of erroneously allocated resources
if ((object)connectState != null && connectState.Token.Cancelled)
connectState.Dispose();
if ((object)receiveState != null && receiveState.Token.Cancelled)
receiveState.Dispose();
if ((object)sendState != null && sendState.Token.Cancelled)
sendState.Dispose();
}
}
internal override async ValueTask WriteAsync(ReadOnlyMemory <byte> buffer, bool endStream, CancellationToken cancellationToken = default)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this);
}
ThrowIfDisposed();
if (!_canWrite)
{
throw new InvalidOperationException("Writing is not allowed on stream.");
}
lock (_sync)
{
if (_sendState == SendState.Aborted)
{
throw new OperationCanceledException("Sending has already been aborted on the stream");
}
}
using CancellationTokenRegistration registration = cancellationToken.Register(() =>
{
bool shouldComplete = false;
lock (_sync)
{
if (_sendState == SendState.None)
{
_sendState = SendState.Aborted;
shouldComplete = true;
}
}
if (shouldComplete)
{
_sendResettableCompletionSource.CompleteException(new OperationCanceledException("Write was canceled"));
}
});
// Implicit start on first write.
if (_started == StartState.None)
{
_started = StartState.Started;
await StartWritesAsync();
}
await SendAsync(buffer, endStream?QUIC_SEND_FLAG.FIN : QUIC_SEND_FLAG.NONE);
lock (_sync)
{
if (_sendState == SendState.Finished)
{
_sendState = SendState.None;
}
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(this);
}
}
private void SendCompleted(object sender, SocketAsyncEventArgs e)
{
try
{
if (!skt.Connected) return;
int len;
switch (sendState)
{
case SendState.Ready:
len = (e.UserToken as SendToken).Packet.Write(parent, sendBuff, 0);
sendState = SendState.Sending;
e.SetBuffer(0, len);
if (!skt.Connected) return;
skt.SendAsync(e);
break;
case SendState.Sending:
(e.UserToken as SendToken).Packet = null;
if (CanSendPacket(e, true))
{
len = (e.UserToken as SendToken).Packet.Write(parent, sendBuff, 0);
sendState = SendState.Sending;
e.SetBuffer(0, len);
if (!skt.Connected) return;
skt.SendAsync(e);
}
break;
}
}
catch (Exception ex)
{
OnError(ex);
}
}
/// <summary>
/// Callback method for asynchronous send operation.
/// </summary>
private void ProcessSend(SendState sendState)
{
TcpClientPayload payload;
ManualResetEvent handle = null;
try
{
// Get the payload and its wait handle.
payload = sendState.Payload;
handle = payload.WaitHandle;
// Quit if this send loop has been cancelled
if (sendState.Token.Cancelled)
return;
// Determine if the server disconnected gracefully
if (!sendState.Socket.Connected)
throw new SocketException((int)SocketError.Disconnecting);
// Check for errors during send operation
if (sendState.SendArgs.SocketError != SocketError.Success)
throw new SocketException((int)sendState.SendArgs.SocketError);
try
{
// Set the wait handle to indicate
// the send operation has finished
handle.Set();
}
catch (ObjectDisposedException)
{
// Ignore if the consumer has
// disposed of the wait handle
}
// Update statistics and notify that the send operation is complete
UpdateBytesSent(sendState.SendArgs.BytesTransferred);
OnSendDataComplete();
}
catch (ObjectDisposedException)
{
// Make sure connection is terminated when client is disposed
TerminateConnection(sendState.Token);
}
catch (SocketException ex)
{
// Log exception during send operation
OnSendDataException(ex);
// Terminate connection when socket exception is encountered
TerminateConnection(sendState.Token);
}
catch (Exception ex)
{
// For any other exception, notify and resume
OnSendDataException(ex);
}
finally
{
// If the operation was cancelled during execution,
// make sure to dispose of allocated resources
if ((object)sendState != null && sendState.Token.Cancelled)
sendState.Dispose();
try
{
// Make sure to set the wait handle
// even if an exception occurs
if ((object)handle != null)
handle.Set();
}
catch (ObjectDisposedException)
{
// Ignore if the consumer has
// disposed of the wait handle
}
// Attempt to send the next payload
SendPayloadAsync(sendState);
}
}
public void SendPacket(Packet pkt)
{
try
{
pendingPackets.Enqueue(pkt);
if (CanSendPacket(send, false))
{
var dat = (send.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
send.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(send))
IOCompleted(this, send);
}
}
catch
{
logger.Error("Error sending packet with ID " + pkt.ID.ToString());
}
}
public void SendPacket(Packet pkt)
{
if (!skt.Connected) return;
pendingPackets.Enqueue(pkt);
if (CanSendPacket(send, false))
{
int len = (send.UserToken as SendToken).Packet.Write(parent, sendBuff, 0);
sendState = SendState.Sending;
send.SetBuffer(sendBuff, 0, len);
if (!skt.SendAsync(send))
SendCompleted(this, send);
}
}
private void Handle(Action action, SocketError socketError, int bytesTransferred)
{
switch (m_state)
{
case State.Closed:
switch (action)
{
case Action.Start:
if (m_options.RawSocket)
{
m_encoder = new RawEncoder(Config.OutBatchSize, m_session, m_options.Endian);
m_decoder = new RawDecoder(Config.InBatchSize, m_options.MaxMessageSize, m_session, m_options.Endian);
Activate();
}
else
{
m_state = State.Handshaking;
m_handshakeState = HandshakeState.Closed;
HandleHandshake(action, socketError, bytesTransferred);
}
break;
}
break;
case State.Handshaking:
HandleHandshake(action, socketError, bytesTransferred);
break;
case State.Active:
switch (action)
{
case Action.InCompleted:
m_insize = EndRead(socketError, bytesTransferred);
ProcessInput();
break;
case Action.ActivateIn:
// if we stuck let's continue, other than that nothing to do
if (m_receivingState == ReceiveState.Stuck)
{
m_receivingState = ReceiveState.Active;
ProcessInput();
}
break;
case Action.OutCompleted:
int bytesSent = EndWrite(socketError, bytesTransferred);
// IO error has occurred. We stop waiting for output events.
// The engine is not terminated until we detect input error;
// this is necessary to prevent losing incoming messages.
if (bytesSent == -1)
{
m_sendingState = SendState.Error;
}
else
{
m_outpos.AdvanceOffset(bytesSent);
m_outsize -= bytesSent;
BeginSending();
}
break;
case Action.ActivateOut:
// if we idle we start sending, other than do nothing
if (m_sendingState == SendState.Idle)
{
m_sendingState = SendState.Active;
BeginSending();
}
break;
default:
Debug.Assert(false);
break;
}
break;
case State.Stalled:
switch (action)
{
case Action.ActivateIn:
// There was an input error but the engine could not
// be terminated (due to the stalled decoder).
// Flush the pending message and terminate the engine now.
m_decoder.ProcessBuffer(m_inpos, 0);
Debug.Assert(!m_decoder.Stalled());
m_session.Flush();
Error();
break;
case Action.ActivateOut:
break;
}
break;
}
}
public StreamEngine(AsyncSocket handle, Options options, string endpoint)
{
m_handle = handle;
m_insize = 0;
m_ioEnabled = false;
m_sendingState = SendState.Idle;
m_receivingState = ReceiveState.Idle;
m_outsize = 0;
m_session = null;
m_options = options;
m_plugged = false;
m_endpoint = endpoint;
m_socket = null;
m_encoder = null;
m_decoder = null;
m_actionsQueue = new Queue<StateMachineAction>();
// Set the socket buffer limits for the underlying socket.
if (m_options.SendBuffer != 0)
{
m_handle.SendBufferSize = m_options.SendBuffer;
}
if (m_options.ReceiveBuffer != 0)
{
m_handle.ReceiveBufferSize = m_options.ReceiveBuffer;
}
}
private void Activate()
{
// Handshaking was successful.
// Switch into the normal message flow.
m_state = State.Active;
m_outsize = 0;
m_sendingState = SendState.Active;
BeginSending();
m_receivingState = ReceiveState.Active;
if (m_insize == 0)
{
m_decoder.GetBuffer(out m_inpos, out m_insize);
BeginRead(m_inpos, m_insize);
}
else
{
ProcessInput();
}
}
private void BeginSending()
{
if (m_outsize == 0)
{
m_outpos = null;
m_encoder.GetData(ref m_outpos, ref m_outsize);
if (m_outsize == 0)
{
m_sendingState = SendState.Idle;
}
else
{
BeginWrite(m_outpos, m_outsize);
}
}
else
{
BeginWrite(m_outpos, m_outsize);
}
}
public void Send(UdpPacket packet)
{
if (this._state != ClientState.Working)
{
return;
}
//异步发送
IPEndPoint remoteIpEp = new IPEndPoint(packet.Address, packet.Port);
packet.GenerateID();
LoggerFactory.Debug("parepare send packet:{0}", packet);
EncodeResult result = null;
try
{
IPacketEncoder encoder = PacketEncoderFactory.CreateEncoder(packet);
LoggerFactory.Debug("get encoder:{0}", encoder.GetType().Name);
result = encoder.Encode();
LoggerFactory.Debug("encode packet:{0}", result);
if (result.Length > UDP_MAX_BUF_SIZE)
{
//超过大小的分包处理
MultiUdpPacket mpacket = new MultiUdpPacket(result.Fragments[0]);
mpacket.ID = packet.ID;
mpacket.ParentID = packet.ID;
mpacket.MaxFragmentLength = UDP_MAX_BUF_SIZE - MultiUdpPacket.HEAD_SIZE;
encoder = PacketEncoderFactory.CreateEncoder(mpacket);
LoggerFactory.Debug("get encoder:{0}", encoder.GetType().Name);
result = encoder.Encode();
LoggerFactory.Debug("encode packet:{0}", result);
}
}
catch (Exception e)
{
OnSendPackage(packet, false);
OnError(Errors.EncodeError, "加密包错误。", e);
}
try
{
for (int i = 0; i < result.Fragments.Count; i++)
{
byte[] buf = result.Fragments[i];
SendState state = new SendState();
state.LastPacket = i == result.Fragments.Count - 1;
state.Packet = packet;
_client.BeginSend(buf, buf.Length, remoteIpEp, new AsyncCallback(AsyncSendHandler), state);
Thread.Sleep(20);//稍微等待一下，避免丢包
}
}
catch (Exception e)
{
OnSendPackage(packet, false);
OnError(Errors.NetworkError, "发送包错误。", e);
}
}
protected override void BeginSend(byte[] data, int size, AsyncCallback on_completed, SendState state) => client.Client.BeginSend(data, 0, size, SocketFlags.None, on_completed, state);
public virtual bool Send()
{
if (string.IsNullOrEmpty(From))
{
sendState = SendState.Error;
message = "没有发件人！";
return(false);
}
if (string.IsNullOrEmpty(Subject))
{
sendState = SendState.Error;
message = "没有邮件标题！";
return(false);
}
if (string.IsNullOrEmpty(Body))
{
sendState = SendState.Error;
message = "没有邮件正文！";
return(false);
}
if (To.Count < 1)
{
sendState = SendState.Error;
message = "没有收件人！";
return(false);
}
if (string.IsNullOrEmpty(Server))
{
sendState = SendState.Error;
message = "没有设置邮件服务器地址！";
return(false);
}
if (string.IsNullOrEmpty(Password))
{
sendState = SendState.Error;
message = "没有设置邮件服务器账号密码！";
return(false);
}
if (string.IsNullOrEmpty(UserName))
{
UserName = From;
}
MailMessage mailMessage = new MailMessage();
mailMessage.From = new MailAddress(From, FromName);
mailMessage.Subject = Subject.Trim();
mailMessage.SubjectEncoding = SubjectEncoding;
mailMessage.Body = Body.Trim();
mailMessage.BodyEncoding = BodyEncoding;
mailMessage.IsBodyHtml = IsBodyHtml;
foreach (string mailAttachment in mailAttachmentList)
{
mailMessage.Attachments.Add(new Attachment(mailAttachment));
}
StringEnumerator enumerator2 = To.GetEnumerator();
try
{
while (enumerator2.MoveNext())
{
string current2 = enumerator2.Current;
string[] array = current2.Split(Delimiter);
MailAddress mailAddress = null;
mailAddress = ((array.Length <= 1) ? new MailAddress(array[0].Trim()) : new MailAddress(array[0].Trim(), array[1].Trim()));
mailMessage.To.Add(mailAddress);
}
}
finally
{
(enumerator2 as IDisposable)?.Dispose();
}
if (Bcc.Count > 0)
{
enumerator2 = Bcc.GetEnumerator();
try
{
while (enumerator2.MoveNext())
{
string current3 = enumerator2.Current;
string[] array2 = current3.Split(Delimiter);
MailAddress mailAddress = null;
mailAddress = ((array2.Length <= 1) ? new MailAddress(array2[0].Trim()) : new MailAddress(array2[0].Trim(), array2[1].Trim()));
mailMessage.Bcc.Add(mailAddress);
}
}
finally
{
(enumerator2 as IDisposable)?.Dispose();
}
}
if (CC.Count > 0)
{
enumerator2 = CC.GetEnumerator();
try
{
while (enumerator2.MoveNext())
{
string current3 = enumerator2.Current;
string[] array3 = current3.Split(Delimiter);
MailAddress mailAddress = null;
mailAddress = ((array3.Length <= 1) ? new MailAddress(array3[0].Trim()) : new MailAddress(array3[0].Trim(), array3[1].Trim()));
mailMessage.CC.Add(mailAddress);
}
}
finally
{
(enumerator2 as IDisposable)?.Dispose();
}
}
try
{
SmtpClient smtpClient = new SmtpClient(Server, ServerPort);
smtpClient.Credentials = new NetworkCredential(UserName, Password);
smtpClient.SendCompleted += SendCompletedCallback;
string subject = Subject;
smtpClient.Send(mailMessage);
}
catch (Exception ex)
{
sendState = SendState.Error;
message = ex.Message;
return(false);
}
mailMessage.Dispose();
return(true);
}
void OnReceiveTrData(object sender, _DKHOpenAPIEvents_OnReceiveTrDataEvent e)
{
int index = Array.FindIndex(catalogTR, o => o.ToString().Contains(e.sTrCode.Substring(1)));
if (index < 1)
{
new ExceptionMessage(e.sTrCode);
return;
}
if (index < 5 && index > 0)
{
var temp = API.GetCommDataEx(e.sTrCode, e.sRQName);
if (temp != null)
{
string[,] ts = new string[((object[, ])temp).GetUpperBound(0) + 1, ((object[, ])temp).GetUpperBound(1) + 1];
int x, y, lx = ((object[, ])temp).GetUpperBound(0), ly = ((object[, ])temp).GetUpperBound(1);
for (x = 0; x <= lx; x++)
{
var sb = new StringBuilder(64);
for (y = 0; y <= ly; y++)
{
ts[x, y] = (string)((object[, ])temp)[x, y];
if (ts[x, y].Length > 13 && e.sRQName.Split(';')[1].Equals(ts[x, y].Substring(2)))
{
sb = Exists;
e.sPrevNext = "0";
break;
}
sb.Append(ts[x, y]).Append(';');
}
if (Exists.Equals(sb) == false)
{
SendMemorize?.Invoke(this, new Memorize(sb));
continue;
}
if (Exists.Equals(sb))
{
break;
}
}
if (DeadLine && (e.sRQName.Split(';')[1].Length == 8 || e.sRQName.Split(';')[1].Equals("DoesNotExist")) && e.sPrevNext.Equals("2"))
{
request.RequestTrData(new Task(() => InputValueRqData(new Opt10081
{
Value = e.sRQName.Split(';')[0],
RQName = e.sRQName,
PrevNext = 2
})));
return;
}
if (DeadLine == false && e.sRQName.Split(';')[0].Length == 6 && e.sPrevNext.Equals("2"))
{
request.RequestTrData(new Task(() => InputValueRqData(new Opt10079
{
Value = e.sRQName.Split(';')[0],
RQName = e.sRQName,
PrevNext = 2
})));
return;
}
if (DeadLine == false && e.sRQName.Substring(5, 3).Equals("000") && e.sPrevNext.Equals("2"))
{
request.RequestTrData(new Task(() => InputValueRqData(new Opt50028
{
Value = e.sRQName.Substring(0, 8),
RQName = e.sRQName,
PrevNext = 2
})));
return;
}
if (DeadLine == false && e.sRQName.Split(';')[0].Length == 8 && e.sPrevNext.Equals("2"))
{
request.RequestTrData(new Task(() => InputValueRqData(new Opt50066
{
Value = e.sRQName.Substring(0, 8),
RQName = e.sRQName,
PrevNext = 2
})));
return;
}
if (e.sPrevNext.Equals("0"))
{
SendMemorize?.Invoke(this, new Memorize(e.sPrevNext, e.sRQName.Split(';')[0]));
}
}
SetScreenNumber(9000, 9031);
SendMemorize?.Invoke(this, new Memorize("Clear"));
Request(GetRandomCode(new Random().Next(0, CodeList.Count)));
return;
}
var str = new StringBuilder(512);
int i, cnt = API.GetRepeatCnt(e.sTrCode, e.sRQName);
for (i = 0; i < (cnt > 0 ? cnt : cnt + 1); i++)
{
foreach (string item in Array.Find(catalogTR, o => o.ToString().Contains(e.sTrCode.Substring(1))))
{
str.Append(API.GetCommData(e.sTrCode, e.sRQName, i, item).Trim()).Append(';');
}
if (cnt > 0)
{
str.Append("*");
}
}
switch (Array.FindIndex(catalogTR, o => o.ToString().Contains(e.sTrCode.Substring(1))))
{
case 5:
FixUp(str.ToString().Split(';'), e.sRQName);
return;
case 6:
foreach (string info in str.ToString().Split('*'))
{
FixUp(info.Split(';'));
}
return;
case 7:
case 8:
if (str.Length > 1 && e.sRQName.Equals("DoNotRollOver") == false)
{
if (e.sScrNo.Substring(0, 1).Equals("1"))
{
SellOrder[str.ToString().Split(';')[0]] = double.Parse(e.sRQName.Split(';')[0]);
}
else if (e.sScrNo.Substring(0, 1).Equals("2"))
{
BuyOrder[str.ToString().Split(';')[0]] = double.Parse(e.sRQName.Split(';')[0]);
}
}
SendState?.Invoke(this, new State(OnReceiveBalance, SellOrder.Count, Quantity, BuyOrder.Count, ScreenNumber));
return;
case 9:
SendState?.Invoke(this, new State(OnReceiveBalance, SellOrder.Count, Quantity, BuyOrder.Count, ScreenNumber));
return;
case 10:
SendDeposit?.Invoke(this, new Deposit(str.ToString().Split(';')));
break;
case 11:
new Task(() =>
{
var temporary = str.ToString().Split('*');
for (i = 0; i < temporary.Length; i++)
{
if (temporary[i].Length > 0 && temporary[i].Substring(0, 8).Equals(API.GetFutureCodeByIndex(0)))
{
var quantity = temporary[i].Split(';');
Quantity = quantity[2].Equals("1") ? -int.Parse(quantity[3]) : int.Parse(quantity[3]);
AvgPurchase = (double.Parse(quantity[4]) / 100).ToString("F2");
}
}
SendBalance?.Invoke(this, new Balance(temporary));
}).Start();
break;
}
}
void tmr_Tick(object sender, EventArgs e)
{
tmr.Stop();
Console.WriteLine("Time Out!!!");
_InData.Clear();
_crtSendState = SendState.IDEL;
}
public void SendPackets(IEnumerable<Packet> pkts)
{
try
{
foreach (var i in pkts)
pendingPackets.Enqueue(i);
if (CanSendPacket(send, false))
{
var dat = (send.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
send.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(send))
IOCompleted(this, send);
}
}
catch
{
logger.Error("Error sending packets, check Client.cs");
}
}
private void DealwithDataIn()
{
string outstr = "Data Received:";
foreach (var item in _InData)
{
outstr += "0x" + item.ToString("X2") + " ";
}
Console.WriteLine(outstr);
if (_crtSendState != SendState.RECEIVEING)
{
Console.WriteLine("RECEIVEING ERROR");
_InData.Clear();
_crtSendState = SendState.IDEL;
if (IsTransfer)
{
eventWait.Set();
}
return;
}
if (_InData.Count >= 5)
{
if (_InData[0] != 0xFE || _InData[1] != 0xFC)
{
Console.WriteLine("STX ERROR");
_InData.Clear();
_crtSendState = SendState.IDEL;
if (IsTransfer)
{
eventWait.Set();
}
return;
}
if (_InData[2] < _InData.Count - 3)
{
_InData.Clear();
_crtSendState = SendState.IDEL;
if (IsTransfer)
{
eventWait.Set();
}
return;
}
if (_InData[2] == _InData.Count - 3)
{
tmr.Stop();
Console.WriteLine("Receive Ok!!!!!!!!!");
byte[] tmp = _InData.ToArray();
_InData.Clear();
_crtSendState = SendState.IDEL;
DecodeMsg(tmp);
}
}
}
void SendCompleted(object sender, SocketAsyncEventArgs e)
{
try
{
bool repeat;
do
{
repeat = false;
if (e.SocketError != SocketError.Success)
throw new SocketException((int)e.SocketError);
switch (sendState)
{
case SendState.Ready:
var len = (e.UserToken as SendToken).Packet.Write(parent, sendBuff, 0);
sendState = SendState.Sending;
e.SetBuffer(sendBuff, 0, len);
if (!skt.SendAsync(e))
{
repeat = true;
continue;
}
break;
case SendState.Sending:
(e.UserToken as SendToken).Packet = null;
if (CanSendPacket(e, true))
{
repeat = true;
continue;
}
break;
default:
throw new InvalidOperationException(e.LastOperation.ToString());
}
} while (repeat);
}
catch (Exception ex)
{
OnError(ex);
}
}
private bool CanSendPacket(SocketAsyncEventArgs e, bool ignoreSending)
{
lock (sendLock)
{
if (sendState == SendState.Ready ||
(!ignoreSending && sendState == SendState.Sending))
return false;
Packet packet;
if (pendingPackets.TryDequeue(out packet))
{
(e.UserToken as SendToken).Packet = packet;
sendState = SendState.Ready;
return true;
}
sendState = SendState.Awaiting;
return false;
}
}
public void SendPackets(IEnumerable<Packet> pkts)
{
if (!skt.Connected) return;
foreach (Packet i in pkts)
pendingPackets.Enqueue(i);
if (CanSendPacket(send, false))
{
int len = (send.UserToken as SendToken).Packet.Write(parent, sendBuff, 0);
sendState = SendState.Sending;
send.SetBuffer(sendBuff, 0, len);
if (!skt.SendAsync(send))
SendCompleted(this, send);
}
}
public void SendPackets(IEnumerable<Packet> pkts)
{
try
{
foreach (var i in pkts)
pendingPackets.Enqueue(i);
if (CanSendPacket(send, false))
{
var dat = (send.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
send.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(send))
IOCompleted(this, send);
}
}
catch
{
Console.ForegroundColor = ConsoleColor.DarkBlue;
Console.WriteLine(@"Error sending packets, check ClientProcessor.cs");
Console.ForegroundColor = ConsoleColor.White;
}
}
/// <summary>
/// Sends a payload on the socket.
/// </summary>
private void SendPayloadAsync(SendState sendState)
{
TcpClientPayload payload;
try
{
// Quit if this send loop has been cancelled
if (sendState.Token.Cancelled)
return;
if (sendState.SendQueue.TryDequeue(out payload))
{
// Save the payload currently
// being sent to the send state
sendState.Payload = payload;
// Ensure that the payload fits in the send buffer
if (payload.Length > sendState.SendArgs.Buffer.Length)
sendState.SendArgs.SetBuffer(new byte[payload.Length], 0, payload.Length);
else
sendState.SendArgs.SetBuffer(0, payload.Length);
// Copy payload into send buffer
Buffer.BlockCopy(payload.Data, payload.Offset, sendState.SendArgs.Buffer, 0, payload.Length);
// Send payload to the client asynchronously
if (!sendState.Socket.SendAsync(sendState.SendArgs))
ThreadPool.QueueUserWorkItem(state => ProcessSend((SendState)state), sendState);
}
else
{
// No more payloads to send, so stop sending payloads
Interlocked.Exchange(ref sendState.Sending, 0);
// Double-check to ensure that a new payload didn't appear before exiting the send loop
if (!sendState.SendQueue.IsEmpty && Interlocked.CompareExchange(ref sendState.Sending, 1, 0) == 0)
ThreadPool.QueueUserWorkItem(state => SendPayloadAsync((SendState)state), sendState);
}
}
catch (Exception ex)
{
// Log exception during send operation
OnSendDataException(ex);
// Continue asynchronous send loop
ThreadPool.QueueUserWorkItem(state => SendPayloadAsync((SendState)state), sendState);
}
finally
{
// If the operation was cancelled during execution,
// make sure to dispose of allocated resources
if (sendState.Token.Cancelled)
sendState.Dispose();
}
}
void OnReceiveChejanData(object sender, _DKHOpenAPIEvents_OnReceiveChejanDataEvent e)
{
var sb = new StringBuilder(256);
var index = int.Parse(e.sGubun);
foreach (int fid in catalogReal[index])
{
sb.Append(API.GetChejanData(fid)).Append(';');
}
var param = sb.ToString().Split(';');
switch (index)
{
case 0:
if (param[3].Equals(Code))
{
switch (param[5])
{
case "체결":
if (param[14].Equals("1") ? SellOrder.Remove(param[1]) : BuyOrder.Remove(param[1]))
{
OnReceiveBalance = false;
}
break;
case "접수":
if (int.Parse(param[11]) == 0)
{
OnReceiveBalance = request.QueueCount == 0 ? true : false;
}
break;
case "확인":
if (param[12].Substring(3).Equals("취소") || param[12].Substring(3).Equals("정정"))
{
OnReceiveBalance = request.QueueCount == 0 ? true : false;
}
break;
}
SendState?.Invoke(this, new State(OnReceiveBalance, SellOrder.Count, Quantity, BuyOrder.Count, ScreenNumber));
}
return;
case 1:
return;
case 4:
if (param[1].Equals(Code))
{
Quantity = param[9].Equals("1") ? -int.Parse(param[4]) : int.Parse(param[4]);
AvgPurchase = param[5];
OnReceiveBalance = request.QueueCount == 0 ? true : false;
SendState?.Invoke(this, new State(OnReceiveBalance, SellOrder.Count, Quantity, BuyOrder.Count, ScreenNumber));
}
return;
}
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="TcpClient"/> and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (!m_disposed)
{
try
{
if (disposing)
{
if ((object)m_connectState != null)
{
TerminateConnection(m_connectState.Token);
m_connectState.Dispose();
m_connectState = null;
}
if ((object)m_receiveState != null)
{
m_receiveState.Dispose();
m_receiveState = null;
}
if ((object)m_sendState != null)
{
m_sendState.Dispose();
m_sendState = null;
}
if ((object)m_connectWaitHandle != null)
{
m_connectWaitHandle.Set();
m_connectWaitHandle.Dispose();
m_connectWaitHandle = null;
}
}
}
finally
{
m_disposed = true; // Prevent duplicate dispose.
base.Dispose(disposing); // Call base class Dispose().
}
}
}
private void SendOneFile(string fileName, string flashName = "")
{
if (string.IsNullOrWhiteSpace(flashName))
flashName = Path.GetFileName(fileName);
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
_headerTop.Add(string.Format("const char FNAME{0:D3}[] PROGMEM = \"{1}\";" + Environment.NewLine,
_flashFileNo, flashName));
_headerBottom.Add(string.Format(" {{ FNAME{0:D3}, {1,3:D}, {2:D} }}," + Environment.NewLine,
_flashFileNo, _flashOffset / DATAFLASH_PAGE_BYTES, fs.Length));
serialPort1.Write("START " + _flashOffset.ToString() + " " + fs.Length.ToString() + "\n");
_sendState = SendState.WAITFORSEND;
byte[] myBuff = new byte[DATAFLASH_PAGE_BYTES];
int r;
while ((r = fs.Read(myBuff, 0, myBuff.Length)) > 0)
{
serialPort1.Write(myBuff, 0, r);
_flashOffset += r;
}
fs.Close();
}
// Round up to the next page
_flashOffset = ((_flashOffset / DATAFLASH_PAGE_BYTES) + 1) * DATAFLASH_PAGE_BYTES;
++_flashFileNo;
_sendState = SendState.SENDINGFILE;
}
private void ProcessIntegratedSecurityAuthentication(IAsyncResult asyncResult)
{
ConnectState connectState = null;
ReceiveState receiveState = null;
SendState sendState = null;
try
{
// Get the connect state from the async result
connectState = (ConnectState)asyncResult.AsyncState;
// Quit if this connection loop has been cancelled
if (connectState.Token.Cancelled)
return;
try
{
// Complete the operation to authenticate with the server
connectState.NegotiateStream.EndAuthenticateAsClient(asyncResult);
}
catch (InvalidCredentialException)
{
if (!m_ignoreInvalidCredentials)
throw;
}
// Initialize the SocketAsyncEventArgs for receive operations
connectState.ReceiveArgs = FastObjectFactory<SocketAsyncEventArgs>.CreateObjectFunction();
connectState.ReceiveArgs.SetBuffer(new byte[ReceiveBufferSize], 0, ReceiveBufferSize);
if (m_payloadAware)
connectState.ReceiveArgs.Completed += (sender, args) => ProcessReceivePayloadAware((ReceiveState)args.UserToken);
else
connectState.ReceiveArgs.Completed += (sender, args) => ProcessReceivePayloadUnaware((ReceiveState)args.UserToken);
// Initialize the SocketAsyncEventArgs for send operations
connectState.SendArgs = FastObjectFactory<SocketAsyncEventArgs>.CreateObjectFunction();
connectState.SendArgs.SetBuffer(new byte[SendBufferSize], 0, SendBufferSize);
connectState.SendArgs.Completed += (sender, args) => ProcessSend((SendState)args.UserToken);
// Initialize state object for the asynchronous send loop
sendState = new SendState();
sendState.Token = connectState.Token;
sendState.Socket = connectState.Socket;
sendState.ReceiveArgs = connectState.ReceiveArgs;
sendState.SendArgs = connectState.SendArgs;
sendState.SendArgs.UserToken = sendState;
// Store sendState in m_sendState so that calls to Disconnect
// and Dispose can dispose resources and cancel asynchronous loops
m_sendState = sendState;
// Check the state of cancellation one more time before
// proceeding to the next step of the connection loop
if (connectState.Token.Cancelled)
return;
// Notify of established connection
// and begin receiving data.
m_connectWaitHandle.Set();
OnConnectionEstablished();
// Initialize state object for the asynchronous receive loop
receiveState = new ReceiveState();
receiveState.Token = connectState.Token;
receiveState.Socket = connectState.Socket;
receiveState.Buffer = connectState.ReceiveArgs.Buffer;
receiveState.ReceiveArgs = connectState.ReceiveArgs;
receiveState.ReceiveArgs.UserToken = receiveState;
receiveState.SendArgs = connectState.SendArgs;
// Store receiveState in m_receiveState so that calls to Disconnect
// and Dispose can dispose resources and cancel asynchronous loops
m_receiveState = receiveState;
// Start receiving data
if (m_payloadAware)
ReceivePayloadAwareAsync(receiveState);
else
ReceivePayloadUnawareAsync(receiveState);
// Further socket interactions are handled through the SslStream
// object, so the SocketAsyncEventArgs is no longer needed
connectState.ConnectArgs.Dispose();
}
catch (SocketException ex)
{
// Log exception during connection attempt
OnConnectionException(ex);
// If connectState is null, we cannot proceed
if ((object)connectState == null)
return;
// If the connection is refused by the server,
// keep trying until we reach our maximum connection attempts
if (ex.SocketErrorCode == SocketError.ConnectionRefused &&
(MaxConnectionAttempts == -1 || connectState.ConnectionAttempts < MaxConnectionAttempts))
{
try
{
ConnectAsync(connectState);
}
catch
{
TerminateConnection(connectState.Token);
}
}
else
{
// For any other socket exception,
// terminate the connection
TerminateConnection(connectState.Token);
}
}
catch (Exception ex)
{
// Log exception during connection attempt
string errorMessage = $"Unable to authenticate connection to server: {ex.Message}";
OnConnectionException(new Exception(errorMessage, ex));
// Terminate the connection
if ((object)connectState != null)
TerminateConnection(connectState.Token);
}
finally
{
if ((object)connectState != null)
{
// If the operation was cancelled during execution,
// make sure to dispose of erroneously allocated resources;
// otherwise, dispose of the NegotiateStream which is only used for authentication
if (connectState.Token.Cancelled)
{
connectState.Dispose();
}
else
{
connectState.NetworkStream.Dispose();
connectState.NegotiateStream.Dispose();
}
}
if ((object)receiveState != null && receiveState.Token.Cancelled)
receiveState.Dispose();
if ((object)sendState != null && sendState.Token.Cancelled)
sendState.Dispose();
}
}
private void Handle(Action action, SocketError socketError, int bytesTransferred)
{
switch (m_state)
{
case State.Closed:
switch (action)
{
case Action.Start:
if (m_options.RawSocket)
{
m_encoder = new RawEncoder(Config.OutBatchSize, m_session, m_options.Endian);
m_decoder = new RawDecoder(Config.InBatchSize, m_options.MaxMessageSize, m_session, m_options.Endian);
Activate();
}
else
{
m_state = State.Handshaking;
m_handshakeState = HandshakeState.Closed;
HandleHandshake(action, socketError, bytesTransferred);
}
break;
}
break;
case State.Handshaking:
HandleHandshake(action, socketError, bytesTransferred);
break;
case State.Active:
switch (action)
{
case Action.InCompleted:
m_insize = EndRead(socketError, bytesTransferred);
ProcessInput();
break;
case Action.ActivateIn:
// if we stuck let's continue, other than that nothing to do
if (m_receivingState == ReceiveState.Stuck)
{
m_receivingState = ReceiveState.Active;
ProcessInput();
}
break;
case Action.OutCompleted:
int bytesSent = EndWrite(socketError, bytesTransferred);
// IO error has occurred. We stop waiting for output events.
// The engine is not terminated until we detect input error;
// this is necessary to prevent losing incoming messages.
if (bytesSent == -1)
{
m_sendingState = SendState.Error;
}
else
{
m_outpos.AdvanceOffset(bytesSent);
m_outsize -= bytesSent;
BeginSending();
}
break;
case Action.ActivateOut:
// if we idle we start sending, other than do nothing
if (m_sendingState == SendState.Idle)
{
m_sendingState = SendState.Active;
BeginSending();
}
break;
default:
Debug.Assert(false);
break;
}
break;
case State.Stalled:
switch (action)
{
case Action.ActivateIn:
// There was an input error but the engine could not
// be terminated (due to the stalled decoder).
// Flush the pending message and terminate the engine now.
m_decoder.ProcessBuffer(m_inpos, 0);
Debug.Assert(!m_decoder.Stalled());
m_session.Flush();
Error();
break;
case Action.ActivateOut:
break;
}
break;
}
}
/*
public void SendPacket(Packet pkt)
{
try
{
pendingPackets.Enqueue(pkt);
if (CanSendPacket(send, false))
{
var dat = (send.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
send.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(send))
IOCompleted(this, send);
}
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine(e);
//Console.WriteLine("Error sending packet with ID " + pkt.ID);
Console.ForegroundColor = ConsoleColor.White;
}
}
*/
// object sendLock = new object();
public void SendPacket(Packet pkt)
{
try
{
pendingPackets.Enqueue(pkt);
if (CanSendPacket(send, false))
{
var dat = (send.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
send.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(send))
IOCompleted(this, send);
}
}
catch
{
Console.ForegroundColor = ConsoleColor.DarkBlue;
Console.WriteLine("Error sending packet with ID " + pkt.ID.ToString());
Console.ForegroundColor = ConsoleColor.White;
}
}
void IOCompleted(object sender, SocketAsyncEventArgs e)
{
try
{
bool repeat;
do
{
repeat = false;
if (e.SocketError != SocketError.Success)
throw new SocketException((int)e.SocketError);
if (e.LastOperation == SocketAsyncOperation.Receive)
{
switch (receiveState)
{
case ReceiveState.ReceivingHdr:
if (e.BytesTransferred < 5)
{
parent.Disconnect();
return;
}
var len = (e.UserToken as ReceiveToken).Length =
IPAddress.NetworkToHostOrder(BitConverter.ToInt32(e.Buffer, 0)) - 5;
if (len < 0 || len > BUFFER_SIZE)
throw new InternalBufferOverflowException();
(e.UserToken as ReceiveToken).Packet = Packet.Packets[(PacketID)e.Buffer[4]].CreateInstance();
receiveState = ReceiveState.ReceivingBody;
e.SetBuffer(0, len);
if (!skt.ReceiveAsync(e))
{
repeat = true;
continue;
}
break;
case ReceiveState.ReceivingBody:
if (e.BytesTransferred < (e.UserToken as ReceiveToken).Length)
{
parent.Disconnect();
return;
}
var pkt = (e.UserToken as ReceiveToken).Packet;
pkt.Read(parent, e.Buffer, (e.UserToken as ReceiveToken).Length);
receiveState = ReceiveState.Processing;
bool cont = OnPacketReceived(pkt);
if (cont)
{
receiveState = ReceiveState.ReceivingHdr;
e.SetBuffer(0, 5);
if (!skt.ReceiveAsync(e))
{
repeat = true;
continue;
}
}
break;
default:
throw new InvalidOperationException(e.LastOperation.ToString());
}
}
else if (e.LastOperation == SocketAsyncOperation.Send)
{
switch (sendState)
{
case SendState.Ready:
var dat = (e.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
e.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(e))
{
repeat = true;
continue;
}
break;
case SendState.Sending:
(e.UserToken as SendToken).Packet = null;
if (CanSendPacket(e,true))
{
repeat = true;
continue;
}
break;
default:
throw new InvalidOperationException(e.LastOperation.ToString());
}
}
else
throw new InvalidOperationException(e.LastOperation.ToString());
} while (repeat);
}
catch (Exception ex)
{
OnError(ex);
}
}
private void IOCompleted(object sender, SocketAsyncEventArgs e)
{
try
{
bool repeat;
do
{
repeat = false;
if (e.SocketError != SocketError.Success)
throw new SocketException((int) e.SocketError);
/*
SocketError errorCode;
int nBytesRec = Socket.EndReceive(ar, out errorCode);
if (errorCode != SocketError.Success)
{
nBytesRec = 0;
}
*/
if (e.LastOperation == SocketAsyncOperation.Receive)
{
switch (receiveState)
{
case ReceiveState.ReceivingHdr:
if (debug)
Console.WriteLine(@"test");
if (e.BytesTransferred < 5)
{
parent.Disconnect();
return;
}
if (debug)
Console.WriteLine(@"test2");
if (e.Buffer[0] == 0x3c && e.Buffer[1] == 0x70 &&
e.Buffer[2] == 0x6f && e.Buffer[3] == 0x6c && e.Buffer[4] == 0x69)
{
ProcessPolicyFile();
return;
}
var len = (e.UserToken as ReceiveToken).Length =
IPAddress.NetworkToHostOrder(BitConverter.ToInt32(e.Buffer, 0)) - 5;
if (len < 0 || len > BUFFER_SIZE)
throw new InternalBufferOverflowException();
(e.UserToken as ReceiveToken).Packet =
Packet.Packets[(PacketID) e.Buffer[4]].CreateInstance();
if (debug)
Console.WriteLine("test3 - " + (e.UserToken as ReceiveToken).Packet.GetType().Name);
receiveState = ReceiveState.ReceivingBody;
e.SetBuffer(0, len);
if (!skt.ReceiveAsync(e))
{
repeat = true;
}
break;
case ReceiveState.ReceivingBody:
if (e.BytesTransferred < (e.UserToken as ReceiveToken).Length)
{
parent.Disconnect();
return;
}
var pkt = (e.UserToken as ReceiveToken).Packet;
pkt.Read(parent, e.Buffer, (e.UserToken as ReceiveToken).Length);
receiveState = ReceiveState.Processing;
var cont = OnPacketReceived(pkt);
if (cont && skt.Connected)
{
receiveState = ReceiveState.ReceivingHdr;
e.SetBuffer(0, 5);
if (!skt.ReceiveAsync(e))
{
repeat = true;
}
}
break;
default:
throw new InvalidOperationException(e.LastOperation.ToString());
}
}
else if (e.LastOperation == SocketAsyncOperation.Send)
{
switch (sendState)
{
case SendState.Ready:
var dat = (e.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
e.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(e))
{
repeat = true;
}
break;
case SendState.Sending:
(e.UserToken as SendToken).Packet = null;
if (CanSendPacket(e, true))
{
repeat = true;
}
break;
default:
throw new InvalidOperationException(e.LastOperation.ToString());
}
}
else
throw new InvalidOperationException(e.LastOperation.ToString());
} while (repeat);
}
catch (Exception ex)
{
OnError(ex);
}
}
private void IOCompleted(object sender, SocketAsyncEventArgs e)
{
try
{
bool repeat;
do
{
repeat = false;
if (e.SocketError != SocketError.Success)
{
throw new SocketException((int)e.SocketError);
}
if (e.LastOperation == SocketAsyncOperation.Receive)
{
switch (receiveState)
{
case ReceiveState.ReceivingHdr:
if (e.BytesTransferred < 5)
{
parent.Disconnect();
return;
}
if (e.Buffer[0] == 0x3c && e.Buffer[1] == 0x70 &&
e.Buffer[2] == 0x6f && e.Buffer[3] == 0x6c && e.Buffer[4] == 0x69)
{
ProcessPolicyFile();
return;
}
var len = (e.UserToken as ReceiveToken).Length =
IPAddress.NetworkToHostOrder(BitConverter.ToInt32(e.Buffer, 0)) - 5;
if (len < 0 || len > BUFFER_SIZE)
{
throw new InternalBufferOverflowException();
}
(e.UserToken as ReceiveToken).Packet = Packet.Packets[(PacketID)e.Buffer[4]].CreateInstance();
receiveState = ReceiveState.ReceivingBody;
e.SetBuffer(0, len);
if (!skt.ReceiveAsync(e))
{
repeat = true;
continue;
}
break;
case ReceiveState.ReceivingBody:
if (e.BytesTransferred < (e.UserToken as ReceiveToken).Length)
{
parent.Disconnect();
return;
}
var pkt = (e.UserToken as ReceiveToken).Packet;
pkt.Read(parent, e.Buffer, (e.UserToken as ReceiveToken).Length);
receiveState = ReceiveState.Processing;
bool cont = OnPacketReceived(pkt);
if (cont && skt.Connected)
{
receiveState = ReceiveState.ReceivingHdr;
e.SetBuffer(0, 5);
if (!skt.ReceiveAsync(e))
{
repeat = true;
continue;
}
}
break;
default:
throw new InvalidOperationException(e.LastOperation.ToString());
}
}
else if (e.LastOperation == SocketAsyncOperation.Send)
{
switch (sendState)
{
case SendState.Ready:
var dat = (e.UserToken as SendToken).Packet.Write(parent);
sendState = SendState.Sending;
e.SetBuffer(dat, 0, dat.Length);
if (!skt.SendAsync(e))
{
repeat = true;
continue;
}
break;
case SendState.Sending:
(e.UserToken as SendToken).Packet = null;
if (CanSendPacket(e, true))
{
repeat = true;
continue;
}
break;
default:
throw new InvalidOperationException(e.LastOperation.ToString());
}
}
else
{
throw new InvalidOperationException(e.LastOperation.ToString());
}
} while (repeat);
}
catch (Exception ex)
{
OnError(ex);
}
}
