/// <summary>
/// This is synchronised TCP Recive method, received data will be only written into buffer if received bytes contains End Of Message string.
/// </summary>
/// <param name="iTimeout">Determines, how long in [ms] method can be executed, if iTimeout is lower then 0, method will not be terminated. </param>
private void Receive(int timeout = -1)
{
DateTime DTStart = DateTime.Now;
TickTime TTStart = TickTime.Now;
bool bTimeout = false;
bool bDataFound = false;
byte[] baData;
string sData = sDataBuffer;
string sMessage = null;
string sMessageResidue = null;
int iRecivedCount;
while (!bTimeout && !bDataFound)
{
if (timeout > 0 && TickTime.Timeout(TTStart, timeout, TickTime.Unit.ms))
{
bTimeout = true;
}
baData = new byte[1024];
iRecivedCount = SLClient.Receive(baData);
sData += Encoding.ASCII.GetString(baData, 0, iRecivedCount);
sMessage = sData.ExtractTag(TcpAsyncCommon.SOM, TcpAsyncCommon.EOM, out sMessageResidue);
if (sMessage == null)
{
continue;
}
else
{
bDataFound = true;
}
}
if (!bDataFound)
{
sDataBuffer = sData;
return;
}
sDataBuffer = sMessageResidue;
sData = sMessage;
//sData.Replace(TcpAsyncClient.SOM, "");
//sData.Replace(TcpAsyncClient.EOM, "");
sData.Replace(@"\\", @"\");
DBReceive.Set(sData);
}
/// <summary>
/// This is synchronised TCP Recive method, received data will be only written into buffer if received bytes contains End Of Message string.
/// </summary>
/// <param name="iTimeout">Determines, how long in [ms] method can be executed, if iTimeout is lower then 0, method will not be terminated. </param>
private void Receive(int iTimeout = -1)
{
DateTime DTStart = DateTime.Now;
bool bTimeout = false;
bool bDataFound = false;
byte[] baData;
string sData = sDataBuffer;
string sMessage = null;
string sMessageResidue = null;
int iRecivedCount;
while (!bTimeout && !bDataFound)
{
if (iTimeout > 0 && (DateTime.Now - DTStart).TotalMilliseconds > iTimeout)
{
bTimeout = true;
}
baData = new byte[1024];
iRecivedCount = SLClient.Receive(baData);
sData += Encoding.ASCII.GetString(baData, 0, iRecivedCount);
sMessage = Abbreviate.String.Extract(sData, TcpAsyncCommon.SOM, TcpAsyncCommon.EOM, out sMessageResidue);
if (sMessage == null)
{
continue;
}
else
{
bDataFound = true;
}
}
if (!bDataFound)
{
sDataBuffer = sData;
return;
}
sDataBuffer = sMessageResidue;
sData = sMessage;
//sData.Replace(TcpAsyncClient.SOM, "");
//sData.Replace(TcpAsyncClient.EOM, "");
sData.Replace(@"\\", @"\");
DBReceive.Set(sData);
}
private bool Receive()
{
List <byte> result_buffer = new List <byte>();
result_buffer.AddToEnd(residue);
int received = 0;
int received_now = 0;
while (SLClient.IsAvailableToRead())
{
try
{
received_now = 0;
received_now = SLClient.Receive(buffer_input, 0, buffer_input.Length, SocketFlags.None);
//Thread.Sleep(1);
}
catch (Exception ex)
{
Exceptions.Write(ex);
this.StopClient();
break;
}
if (received_now > 0)
{
result_buffer.AddRange(buffer_input.Take(received_now));
received += received_now;
}
else
{
break;
}
}
var packet = result_buffer.GetArray();
if (packet.IsNullOrEmpty())
{
residue = null;
return(false);
}
int offset;
int length;
byte compression;
if (!TcpAsyncCommon.RecreatePacket(ref packet, out offset, out length, out compression, PacketMode) || (offset + length) > packet.Length)
{
residue = packet;
return(false);
}
byte[] result = packet.SubArray(offset, length);
//+ 1 represents EndByte
residue = packet.SubArray((offset + length + 1), packet.Length - (offset + length + 1));
if (result.IsNullOrEmpty())
{
return(false);
}
if (compression == 1)
{
result = result.UnGZip();
}
DBReceive.Write(result);
return(true);
}