public bool Read(out string value)
{
if (_offset + 1 > _len)
{
ViDebuger.Warning("Read Fail string");
value = string.Empty;
_offset = _len;
return(false);
}
Int32 len = ViBitConverter.ToUInt8(_buffer, _offset);
_offset += 1;
if (len == 255)
{
if (_offset + 2 > _len)
{
ViDebuger.Warning("Read Fail string");
value = string.Empty;
_offset = _len;
return(false);
}
len = ViBitConverter.ToUInt16(_buffer, _offset);
_offset += 2;
}
value = ViBitConverter.ToString(_buffer, _offset, len);
_Print("string", value);
_offset += len;
return(true);
}
bool UpdateStream(out UInt16 flag, out ViIStream IS)
{
flag = 0;
IS = null;
NetworkStream stream = _client.GetStream();
if (_receiver.Size == 0)
{
if (_client.Available < RECEIVE_HEAD_SIZE)
{
return(false);
}
SetConnectState(true);
int bufferSize = stream.Read(_receiveHead, 0, RECEIVE_HEAD_SIZE);
UInt16 flag_ = ViBitConverter.ToUInt16(_receiveHead, 0);
UInt32 size = ViBitConverter.ToUInt32(_receiveHead, RECEIVE_SIZE_OFFSET);
_receiver.SetCompleteSize(flag_, size);
}
_receiver.Read(stream);
if (_receiver.IsComplete == false)
{
return(false);
}
_IS.Init(_receiver.Data, _receiver.Size);
_receiver.Clear();
IS = _IS;
return(true);
}
public bool Read(out Int8 value)
{
if (_offset + 1 > _len)
{
ViDebuger.Warning("Read Fail Int8");
value = (Int8)0;
return(false);
}
value = ViBitConverter.ToInt8(_buffer, _offset);
_Print("Int8", value);
_offset += 1;
return(true);
}
public ViTcpClient()
{
UInt16 index = 0;
UInt32 size = 0;
_indexBytes = ViBitConverter.GetBytes(index);
_lengthBytes = ViBitConverter.GetBytes(size);
_receiveHead = new byte[RECEIVE_HEAD_SIZE];
_OS.Append(_indexBytes);
_OS.Append(_lengthBytes);
_receiver = new ViTcpCLientReceiver(RECEIVE_BYTES_SIZE);
}
public bool Read(out Int32 value)
{
if (_offset + 4 > _len)
{
ViDebuger.Warning("Read Fail Int32");
value = 0;
_offset = _len;
return(false);
}
value = ViBitConverter.ToInt32(_buffer, _offset);
_Print("Int32", value);
_offset += 4;
return(true);
}
public bool Read(out UInt16 value)
{
if (_offset + 2 > _len)
{
ViDebuger.Warning("Read Fail UInt16");
value = (UInt16)0;
_offset = _len;
return(false);
}
value = ViBitConverter.ToUInt16(_buffer, _offset);
_Print("UInt16", value);
_offset += 2;
return(true);
}
public bool Read(out double value)
{
if (_offset + 8 > _len)
{
ViDebuger.Warning("Read Fail double");
value = 0;
_offset = _len;
return(false);
}
value = ViBitConverter.ToDouble(_buffer, _offset);
_Print("double", value);
_offset += 8;
return(true);
}
public bool Read(out float value)
{
if (_offset + 4 > _len)
{
ViDebuger.Warning("Read Fail float");
value = 0;
_offset = _len;
return(false);
}
value = ViBitConverter.ToFloat(_buffer, _offset);
_Print("float", value);
_offset += 4;
return(true);
}
public bool Read(out Int64 value)
{
if (_offset + 8 > _len)
{
ViDebuger.Warning("Read Fail Int64");
value = (Int64)0;
_offset = _len;
return(false);
}
value = ViBitConverter.ToInt64(_buffer, _offset);
_Print("Int64", value);
_offset += 8;
return(true);
}
public void Update()
{
try
{
NetworkStream stream = _client.GetStream();
_lengthBytes = ViBitConverter.GetBytes(_OS.Length - SEND_HEAD_SIZE);
_OS._SetValue(SEND_SIZE_OFFSET, _lengthBytes, _lengthBytes.Length);
stream.Write(_OS.Cache, 0, _OS.Length);
_OS.Reset();
_OS.Append(_indexBytes);
_OS.Append(_lengthBytes);
}
catch (System.ObjectDisposedException ex)
{
SetConnectState(false);
}
catch (Exception ex)
{
SetConnectState(false);
}
}
