public void RunThread()
{
try
{
tcpClient = SocketServer.listener.AcceptTcpClient();
lock (SocketServer)
{
KeepAliveTimer = 0;
socketStream = new nsRSMPGS.cSocketStream(cHelper.IsSettingChecked("UseEncryption"));
cTcpSocketServerThread ServerThread = new cTcpSocketServerThread(SocketServer);
new Thread(new ThreadStart(ServerThread.RunThread)).Start();
SocketServer.ServerSockets.Add(ServerThread);
}
if (socketStream.InitializeAsServerAndGetStream(tcpClient, RSMPGS.EncryptionSettings))
{
encoding = Encoding.GetEncoding("Windows-1252");
sClientIP = ((IPEndPoint)(tcpClient.Client.RemoteEndPoint)).Address.ToString() + ":" + ((IPEndPoint)(tcpClient.Client.RemoteEndPoint)).Port.ToString();
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Info, "Client connection was accepted " + sClientIP);
tcpClient.NoDelay = RSMPGS.MainForm.ToolStripMenuItem_DisableNagleAlgorithm.Checked;
RSMPGS.MainForm.BeginInvoke(RSMPGS.MainForm.DelegateSocketWasConnected);
while (SocketServer.TcpSocket.ThreadShouldRun)
{
if (RSMPGS.RSMPConnection.ReadBytesAndParsePacket(ref socketStream, ref tcpClient, ref inBuffer, ref inBufferLength) == false)
{
break;
}
}
}
}
catch (Exception e)
{
if (socketStream != null)
{
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Error, "Some problem occured (" + sClientIP + "), closed socket: " + e.Message);
}
}
SocketServer.Disconnect();
if (sClientIP.Length > 0)
{
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Warning, "Client connection " + sClientIP + " was closed");
}
lock (SocketServer)
{
SocketServer.ServerSockets.Remove(this);
}
}
private void ConnectToServerAndMaintainStream()
{
try
{
tcpClient = new TcpClient();
try
{
tcpClient.Connect(SocketClient.ServerAddress, SocketClient.ServerPort);
}
catch (Exception e)
{
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Error, "Could not connect (" + sClientIP + "): " + e.Message);
SocketClient.Disconnect();
return;
}
KeepAliveTimer = 0;
inBufferLength = 0;
socketStream = new nsRSMPGS.cSocketStream(cHelper.IsSettingChecked("UseEncryption"));
if (socketStream.InitializeAsClientAndGetStream(tcpClient, RSMPGS.EncryptionSettings))
{
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Info, "We connected to RSMP client " + sClientIP);
tcpClient.NoDelay = RSMPGS.MainForm.ToolStripMenuItem_DisableNagleAlgorithm.Checked;
RSMPGS.MainForm.BeginInvoke(RSMPGS.MainForm.DelegateSocketWasConnected);
while (SocketClient.TcpSocket.ThreadShouldRun)
{
if (RSMPGS.RSMPConnection.ReadBytesAndParsePacket(ref socketStream, ref tcpClient, ref inBuffer, ref inBufferLength) == false)
{
break;
}
}
}
}
catch (Exception e)
{
if (socketStream != null)
{
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Error, "Some problem occured (" + sClientIP + "), closed socket: " + e.Message);
}
}
SocketClient.Disconnect();
}
public bool ReadBytesAndParsePacket(ref cSocketStream socketStream, ref TcpClient tcpClient, ref byte[] inBuffer, ref int inBufferLength)
{
string sJSon;
int iPacketLength;
bool bSuccess = true;
// Read the server message into a byte buffer
int iReadBytes = socketStream.Read(inBuffer, inBufferLength, inBuffer.GetLength(0) - inBufferLength);
if (iReadBytes <= 0)
{
return(false);
}
RSMPGS.SysLog.AddRawDebugData(true, cSysLogAndDebug.Direction_In, false, inBuffer, inBufferLength, iReadBytes);
//TimeoutTimer = 0;
inBufferLength += iReadBytes;
switch (WrapMethod)
{
case cTcpHelper.WrapMethod_None:
sJSon = Encoding.UTF8.GetString(inBuffer, 0, inBufferLength);
RSMPGS.MainForm.BeginInvoke(RSMPGS.MainForm.DelegateDecodeJSonPacket, new Object[] { sJSon });
inBufferLength = 0;
break;
case cTcpHelper.WrapMethod_LengthPrefix:
// At least we need to have the length bytes
while (inBufferLength >= 4)
{
// Determine packet length
iPacketLength = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(inBuffer, 0));
// Hopefully not too big packet (or something went very wrong)
if (iPacketLength >= (inBuffer.GetLength(0) - 4))
{
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Error, "Packet size was reported to {0} bytes, but could be no more than {1} bytes", iPacketLength, inBuffer.GetLength(0) - 4);
bSuccess = false;
}
else
{
// Got enough of bytes?
if ((iPacketLength + 4) <= inBufferLength)
{
sJSon = Encoding.UTF8.GetString(inBuffer, 4, iPacketLength);
RSMPGS.MainForm.BeginInvoke(RSMPGS.MainForm.DelegateDecodeJSonPacket, new Object[] { sJSon });
RSMPGS.Statistics["RxPackets"]++;
RSMPGS.Statistics["RxBytes"] += iPacketLength + 4;
}
else
{
// Did not get enough, wait for more
break;
}
}
// Some more, do some buffer byte move or just clear the length
inBufferLength -= 4;
inBufferLength -= iPacketLength;
if (inBufferLength > 0)
{
Buffer.BlockCopy(inBuffer, iPacketLength + 4, inBuffer, 0, inBufferLength);
}
}
break;
case cTcpHelper.WrapMethod_FormFeed:
// Find LF's, repeat until no more
bool bFoundFormFeed;
do
{
bFoundFormFeed = false;
for (iPacketLength = 0; iPacketLength < inBufferLength; iPacketLength++)
{
if (inBuffer[iPacketLength].CompareTo(0x0c) == 0)
{
sJSon = Encoding.UTF8.GetString(inBuffer, 0, iPacketLength);
RSMPGS.MainForm.BeginInvoke(RSMPGS.MainForm.DelegateDecodeJSonPacket, new Object[] { sJSon });
iPacketLength++;
inBufferLength -= iPacketLength;
if (inBufferLength > 0)
{
Buffer.BlockCopy(inBuffer, iPacketLength, inBuffer, 0, inBufferLength);
}
RSMPGS.Statistics["RxPackets"]++;
RSMPGS.Statistics["RxBytes"] += iPacketLength;
bFoundFormFeed = true;
break;
}
}
} while (bFoundFormFeed == true && inBufferLength > 0);
break;
}
if (inBuffer.GetLength(0) == inBufferLength)
{
RSMPGS.SysLog.SysLog(cSysLogAndDebug.Severity.Error, "Packet size was too big (> {0} bytes)", inBuffer.GetLength(0));
bSuccess = false;
}
return(bSuccess);
}
