void TPipe::open() {
if (isOpen())
return;
TAutoHandle hPipe;
do {
DWORD flags = FILE_FLAG_OVERLAPPED; // async mode, so we can do reads at the same time as writes
hPipe.reset(CreateFile(pipename_.c_str(),
GENERIC_READ | GENERIC_WRITE,
0, // no sharing
NULL, // default security attributes
OPEN_EXISTING, // opens existing pipe
flags,
NULL)); // no template file
if (hPipe.h != INVALID_HANDLE_VALUE)
break; // success!
if (::GetLastError() != ERROR_PIPE_BUSY) {
GlobalOutput.perror("TPipe::open ::CreateFile errored GLE=", ::GetLastError());
throw TTransportException(TTransportException::NOT_OPEN, "Unable to open pipe");
}
} while (::WaitNamedPipe(pipename_.c_str(), TimeoutSeconds_ * 1000));
if (hPipe.h == INVALID_HANDLE_VALUE) {
GlobalOutput.perror("TPipe::open ::CreateFile errored GLE=", ::GetLastError());
throw TTransportException(TTransportException::NOT_OPEN, "Unable to open pipe");
}
impl_.reset(new TNamedPipeImpl(hPipe.h));
hPipe.release();
}
