private void ProcessNPClient(NamedPipeServerStream pipeServer, CancellationToken cancellationToken)
{
if (!cancellationToken.IsCancellationRequested)
{
byte[] arrHeader = null;
try
{
while (pipeServer.IsConnected && (!cancellationToken.IsCancellationRequested))
{
// Fetch the header from the stream
arrHeader = new byte[GatewayPayloadConst.payloadHeaderSize];
int iTotalRead = FetchDataFromTransport(null, pipeServer, arrHeader, GatewayPayloadConst.payloadHeaderSize);
if (iTotalRead > 0)
{
// Did we get a buffer of expected size?
if (iTotalRead != GatewayPayloadConst.payloadHeaderSize)
{
throw new InvalidOperationException(String.Format("SFBlockstoreService::ProcessNPClient: Malformed request of size {0} encountered; expected size is {1}", iTotalRead, GatewayPayloadConst.payloadHeaderSize));
}
GatewayPayload payload = GatewayPayload.ParseHeader(arrHeader, pipeServer, this);
// Process the payload
try
{
payload.ProcessPayload(serviceBlockStore, cancellationToken);
}
catch (Exception ex)
{
HandleProcessPayloadException(ref payload, ex);
}
// Send the Data back to the sender
payload.SendResponse();
}
}
}
catch (IOException)
{
// Network connection was closed
}
catch (ObjectDisposedException)
{
// Network connection was closed
}
catch (Exception ex)
{
Console.WriteLine("SFBlockstoreService::ProcessNPClient: Got an exception [{0} - {1}] while handling incoming request.", ex.GetType().ToString(), ex.Message);
}
// If we are here, we are not in a position to process the network requests and thus, should close
// the connection.
if (pipeServer != null)
{
pipeServer.Close();
}
}
}
private void ProcessTcpClient(CancellationToken cancellationToken, TcpClient tcpClient)
{
if (!cancellationToken.IsCancellationRequested)
{
NetworkStream ns = null;
byte[] arrHeader = null;
try
{
try
{
ns = tcpClient.GetStream();
}
catch (InvalidOperationException)
{
Console.WriteLine("SFBlockstoreService::ProcessTCPClient: Unable to get NetworkStream to read data!");
tcpClient.Close();
ns = null;
}
while ((ns != null) && (tcpClient.Connected) && (!cancellationToken.IsCancellationRequested))
{
// Fetch the header from the stream
arrHeader = new byte[GatewayPayloadConst.payloadHeaderSize];
int iTotalRead = FetchDataFromTransport(ns, null, arrHeader, GatewayPayloadConst.payloadHeaderSize);
if (iTotalRead > 0)
{
// Did we get a buffer of expected size?
if (iTotalRead != GatewayPayloadConst.payloadHeaderSize)
{
throw new InvalidOperationException(String.Format("SFBlockstoreService::ProcessTCPClient: Malformed request of size {0} encountered; expected size is {1}", iTotalRead, GatewayPayloadConst.payloadHeaderSize));
}
GatewayPayload payload = GatewayPayload.ParseHeader(arrHeader, ns, this);
// Process the payload
try
{
payload.ProcessPayload(serviceBlockStore, cancellationToken);
}
catch (Exception ex)
{
HandleProcessPayloadException(ref payload, ex);
}
// Send the Data back to the sender
payload.SendResponse();
}
else
{
//Remote socket is terminated.
break;
}
}
}
catch (IOException)
{
// Network connection was closed
}
catch (ObjectDisposedException)
{
// Network connection was closed
}
catch (Exception ex)
{
Console.WriteLine("SFBlockstoreService::ProcessTCPClient: Got an exception [{0} - {1}] while handling incoming request.", ex.GetType().ToString(), ex.Message);
}
// If we are here, we are not in a position to process the network requests and thus, should close
// the connection.
if (tcpClient != null)
{
tcpClient.Close();
}
}
}