public void ReadPipeThread(object state)
{
NamedPipeServerStream PipeStream = state as NamedPipeServerStream;
while (true)
{
BufPipe = new byte[BufferSize];
AsyncState asyncState = new AsyncState()
{
Buffer = BufPipe,
EvtHandle = new ManualResetEvent(false),
Stream = pipeStream
};
pipeStream.BeginRead(BufPipe, 0, BufPipe.Length, new AsyncCallback(ReadCallback), asyncState);
asyncState.EvtHandle.WaitOne();
}
}
private void ReadCallback(IAsyncResult arg)
{
AsyncState state = arg.AsyncState as AsyncState;
int length = state.Stream.EndRead(arg);
string readContent = "";
if (length == 0)
{
// MainForm._mainForm.Invoke(new MainPictureHandler(MainForm._mainForm.MainPictureOFF));
ShowPipeLedOffRun();
pipeStream.Dispose();
return;
}
if (length > 0)
{
byte[] buffer;
if (length == BufferSize)
{
buffer = state.Buffer;
}
else
{
buffer = new byte[length];
Array.Copy(state.Buffer, 0, buffer, 0, length);
readContent = Encoding.UTF8.GetString(buffer);
// MessageBox.Show(readContent);
}
// if (state.MemoryStream == null) state.MemoryStream = new MemoryStream();
// state.MemoryStream.Write(buffer, 0, buffer.Length);
// state.MemoryStream.Flush();
}
if (length < BufferSize)
{
/*
* state.MemoryStream.Position = 0;
* using (StreamReader reader = new StreamReader(state.MemoryStream))
* {
* this.InputStr.Append(reader.ReadToEnd());
*
* }
* state.MemoryStream.Close();
* state.MemoryStream.Dispose();
* state.MemoryStream = null;
*/
ReadFPTRun(readContent);
/*
* if(MainForm.blpipe)
* {
* if (readContent.CompareTo("TESTOK") == 0)
* {
* if (1 == NPserialPortComm.WriteMultiSinglePoint("%%03#WCSR1011**\r"))
* MessageBox.Show("Send TESTOK Fail");
* }
* if (readContent.CompareTo("TESTNG") == 0)
* {
* if (1 == NPserialPortComm.WriteMultiSinglePoint("%%03#WCSR1021**\r"))
* MessageBox.Show("Send TESTNG Fail");
* }
* } */
state.EvtHandle.Set();
}
else
{
Array.Clear(state.Buffer, 0, BufferSize);
//再次执行异步读取操作
state.Stream.BeginRead(state.Buffer, 0, BufferSize, new AsyncCallback(ReadCallback), state);
}
}