private void HandleRead()
{
try
{
using (MemoryStream ms = new MemoryStream())
{
// 1 byte buffer
// TODO: consider making this variable depending on encoding (currently will only work for UTF8)
// ALSO: consider situation of CRLF from unix systems
byte[] tempBuffer = new byte[1];
tempBuffer[0] = 0x00;
while (tempBuffer[0] != END_OF_LINE)
{
int recvBytes = Handle.Receive(tempBuffer, 0, 1, SocketFlags.None);
if (recvBytes == 0)
{
CloseEventNotification?.Invoke(this);
this.Dispose();
return;
}
ms.Write(tempBuffer, 0, 1);
}
readData = ms.ToArray();
ReadComplete();
}
}
catch (SocketException se)
{
if (se.ErrorCode == 10054)
{
// socket connection forcibly closed by remote peer
log.Error("Socket Exception Error 10054, socket connection was forcibly closed by the remote peer.");
ErrorNotification?.Invoke(this, se);
this.Dispose();
}
else
{
log.Error(se, "Socket Exception Error");
ErrorNotification?.Invoke(this, se);
this.Dispose();
}
}
}
private void HandleRead()
{
try
{
if (!recvHeader)
{
byte[] headerData = new byte[HEADER_SIZE];
int headerSize = headerData.Length;
int headerLeftToRecv = headerSize;
int headerSizeRecv = 0;
while (headerSizeRecv != headerSize)
{
int recv = Handle.Receive(headerData, headerSizeRecv, headerLeftToRecv, SocketFlags.None);
// 0 value for recv means socket has closed from other end
if (recv != 0)
{
headerSizeRecv += recv;
headerLeftToRecv -= recv;
lastReceivedTime = 0;
}
else
{
CloseEventNotification?.Invoke(this);
this.Dispose();
return;
}
}
int headerDataValue = BitConverter.ToInt32(headerData, 0);
if (headerDataValue == 0)
{
// if received a keep alive packet, ignore and exit
log.Info("SockServiceHandler keep alive packet received.");
return;
}
else
{
readData = new byte[headerDataValue];
recvSize = headerDataValue;
leftToRecv = recvSize;
dataRecv = 0;
recvHeader = true;
}
}
else
{
int recv = Handle.Receive(readData, dataRecv, leftToRecv, SocketFlags.None);
if (recv == 0)
{
CloseEventNotification?.Invoke(this);
this.Dispose();
return;
}
dataRecv += recv;
leftToRecv -= recv;
if (dataRecv == recvSize)
{
ReadComplete();
}
}
}
catch (SocketException se)
{
if (se.ErrorCode == 10054)
{
// socket connection forcibly closed by remote peer
log.Error("Socket Exception Error 10054, socket connection was forcibly closed by the remote peer.");
ErrorNotification?.Invoke(this, se);
this.Dispose();
}
else
{
log.Error(se, "Socket Exception Error");
ErrorNotification?.Invoke(this, se);
this.Dispose();
}
}
}
