/// <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); }
public byte[][] ReadAll() { List <byte[]> result = new List <byte[]>(); bool success = false; do { byte[] data; success = DBReceive.Read(out data); if (!data.IsNullOrEmpty()) { result.Add(data); } } while (success); return(result.ToArray()); }
public byte[] Read() { byte[] data; DBReceive.Read(out data); return(data); }
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); }