public bool OpenPort()
{
LogWriter.WriteLog(new string[] { "[Test]OpenPort" }, true);
m_hPipeHandle = CNamedPipe.CreateNamedPipe(
PipeName, // pipe name
CNamedPipe.PIPE_ACCESS_INBOUND, // read/write access
CNamedPipe.PIPE_TYPE_BYTE | // message type pipe
CNamedPipe.PIPE_READMODE_BYTE | // message-read mode
CNamedPipe.PIPE_WAIT, // blocking mode
1, // max. instances
CachePrinter.BUFSIZE, // output buffer size
CachePrinter.BUFSIZE, // input buffer size
PIPE_TIMEOUT, // client time-out
IntPtr.Zero); // no security attribute
if (m_hPipeHandle == CNamedPipe.INVALID_HANDLE_VALUE)
{
m_hPipeHandle = 0;
int errorcode = CNamedPipe.GetLastError();
LogWriter.WriteLog(new string[] { "[Test]OpenPort false" }, true);
return(false);
}
LogWriter.WriteLog(new string[] { "[Test]OpenPort true" }, true);
return(true);
}
public bool WaitConnect()
{
if (fConnected)
{
return(false);
}
LogWriter.WriteLog(new string[] { "[Test]WaitConnect1" }, true);
if (m_hPipeHandle != 0)
{
if (CNamedPipe.ConnectNamedPipe(m_hPipeHandle, IntPtr.Zero))
{
LogWriter.WriteLog(new string[] { "[Test]WaitConnect2" }, true);
fConnected = true;
}
else if ((CNamedPipe.GetLastError() == CNamedPipe.ERROR_PIPE_CONNECTED))
{
LogWriter.WriteLog(new string[] { "[Test]WaitConnect3" }, true);
fConnected = false;
}
else
{
LogWriter.WriteLog(new string[] { "[Test]WaitConnect4" }, true);
fConnected = false;
}
}
return(fConnected);
}
public void ClosePort()
{
if (m_hPipeHandle != 0)
{
CNamedPipe.CloseHandle(m_hPipeHandle);
m_hPipeHandle = 0;
}
}
public void ReceiveDataThread()
{
LogWriter.WriteLog(new string[] { "[Test]ReceiveData begin" }, true);
string strRipFileName = "RipPrintData.prt";
//SystemCall.isPmPrint = false;
byte[] chRequest = new byte[CachePrinter.BUFSIZE];
int cbBytesRead = 0;
bool fSuccess = false;
bool isSetWhiteFormPrt = false;
bool isUseJobModeSetting = false;
SPrinterSetting oldPrinterSetting = m_IPrinterChange.GetAllParam().PrinterSetting;
//UVData oldUVData = new UVData();
//oldUVData.Load();
//启动发送打印数据线程
cachePrinter.Run();
Mutex mutex = new Mutex(true, MUTEX_PORT_OPEN);
int sendBytes = 0;
if (isRipPrintData)
{
File.Delete(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strRipFileName));
}
// The thread's parameter is a handle to a pipe instance.
while (true)
{
// Read client requests from the pipe.
if (m_hPipeHandle != 0)
{
cbBytesRead = 0;
fSuccess = CNamedPipe.ReadFile(
m_hPipeHandle, // handle to pipe
chRequest, // buffer to receive data
CachePrinter.BUFSIZE, // size of buffer
ref cbBytesRead, // number of bytes read
0); // not overlapped I/O
}
if (fSuccess)
{
MyStruct data = new MyStruct();
data.buflen = cbBytesRead;
data.buf = new byte[CachePrinter.BUFSIZE];
Buffer.BlockCopy(chRequest, 0, data.buf, 0, cbBytesRead);
cachePrinter.AddPrintData(data);
}
if (!fSuccess || cbBytesRead == 0)
{
cachePrinter.ReceiveDataFinishedFlag(true);
break;
}
}
cachePrinter.WaitSendPrintDataFinish();
if (isSetWhiteFormPrt || isUseJobModeSetting)
{
m_IPrinterChange.GetAllParam().PrinterSetting = oldPrinterSetting;
CoreInterface.SetPrinterSetting(ref m_IPrinterChange.GetAllParam().PrinterSetting);
LogWriter.WriteLog(new string[] { "[RIP]SetOldPrinterSetting" }, true);
}
if (isUseJobModeSetting)
{
//oldUVData.Save();
}
LogWriter.WriteLog(new string[] { "[RIP]Printer close" }, true);
mutex.Close();
// Flush the pipe to allow the client to read the pipe's contents
// before disconnecting. Then disconnect the pipe, and close the
// handle to this pipe instance.
//FlushFileBuffers(hPipe);
CNamedPipe.DisconnectNamedPipe(m_hPipeHandle);
///CloseHandle(hPipe);
fConnected = false;
}
