void Connection::onWrite( )
{
TRACE_ENTERLEAVE( );
if ( !m_initialized )
{
//
// set timeouts if needed
//
if ( m_thread.server( ).getConnectionReadTimeout( ) > 0 )
{
setReadTimeout( m_thread.server( ).getConnectionReadTimeout( ) );
}
if ( m_thread.server( ).getConnectionWriteTimeout( ) > 0 )
{
setWriteTimeout( m_thread.server( ).getConnectionWriteTimeout( ) );
}
}
if ( m_close )
{
disable( );
onClose( );
}
}
bool mdtTcpSocket::open(mdtPortConfig &cfg)
{
// Close previous opened connection
close();
// Open new connection
lockMutex();
qDebug() << "Open ....";
// Set R/W timeouts
setReadTimeout(cfg.readTimeout());
setWriteTimeout(cfg.writeTimeout());
return mdtAbstractPort::open(cfg);
}
void TcpConnection::startAsyncWriteResponse
(const std::vector<asio::const_buffer>& buffers,
int timeout)
{
LOG_DEBUG(socket().native() << ": startAsyncWriteResponse");
setWriteTimeout(timeout);
boost::shared_ptr<TcpConnection> sft
= boost::dynamic_pointer_cast<TcpConnection>(shared_from_this());
asio::async_write(socket_, buffers,
boost::bind(&Connection::handleWriteResponse,
sft,
asio::placeholders::error));
}
void SslConnection::startAsyncWriteResponse
(ReplyPtr reply,
const std::vector<asio::const_buffer>& buffers,
int timeout)
{
if (state_ & Writing) {
LOG_DEBUG(socket().native() << ": state_ = " << state_);
stop();
return;
}
setWriteTimeout(timeout);
boost::shared_ptr<SslConnection> sft
= boost::dynamic_pointer_cast<SslConnection>(shared_from_this());
asio::async_write(socket_, buffers,
strand_.wrap
(boost::bind(&SslConnection::handleWriteResponse,
sft,
reply,
asio::placeholders::error,
asio::placeholders::bytes_transferred)));
}
bool mdtSerialPortPosix::open(mdtSerialPortConfig &cfg)
{
QString strNum;
// Close previous opened device
this->close();
// Try to open port
// O_RDWR : Read/write access
// O_NOCTTY: not a terminal
// O_NDELAY: ignore DCD signal
lockMutex();
// In read only mode, we handle no lock
if(cfg.readOnly()){
pvFd = ::open(pvName.toStdString().c_str(), O_RDONLY | O_NOCTTY | O_NONBLOCK);
}else{
pvFd = pvPortLock->openLocked(pvName, O_RDWR | O_NOCTTY | O_NONBLOCK);
}
if(pvFd < 0){
pvPortLock->unlock();
mdtError e(MDT_UNDEFINED_ERROR, "Unable to open port: " + pvName, mdtError::Error);
e.setSystemError(errno, strerror(errno));
MDT_ERROR_SET_SRC(e, "mdtSerialPortPosix");
e.commit();
unlockMutex();
return false;
}
// Get current config and save it to pvOriginalTermios
if(tcgetattr(pvFd, &pvOriginalTermios) < 0){
::close(pvFd);
pvFd = -1;
pvPortLock->unlock();
mdtError e(MDT_UNDEFINED_ERROR, "tcgetattr() failed, " + pvName + " is not a serial port, or is not available", mdtError::Error);
e.setSystemError(errno, strerror(errno));
MDT_ERROR_SET_SRC(e, "mdtSerialPortPosix");
e.commit();
unlockMutex();
return false;
}
// Get current system config on "work copy"
if(tcgetattr(pvFd, &pvTermios) < 0){
::close(pvFd);
pvFd = -1;
pvPortLock->unlock();
mdtError e(MDT_UNDEFINED_ERROR, "tcgetattr() failed, " + pvName + " is not a serial port, or is not available", mdtError::Error);
e.setSystemError(errno, strerror(errno));
MDT_ERROR_SET_SRC(e, "mdtSerialPortPosix");
e.commit();
unlockMutex();
return false;
}
// Set baud rate
if(!setBaudRate(cfg.baudRate())){
::close(pvFd);
pvFd = -1;
pvPortLock->unlock();
strNum.setNum(cfg.baudRate());
mdtError e(MDT_UNDEFINED_ERROR, "unsupported baud rate '" + strNum + "' for port " + pvName, mdtError::Error);
e.setSystemError(errno, strerror(errno));
MDT_ERROR_SET_SRC(e, "mdtSerialPortPosix");
e.commit();
unlockMutex();
return false;
}
// Set local mode and enable the receiver
pvTermios.c_cflag |= (CLOCAL | CREAD);
// Set data bits
if(!setDataBits(cfg.dataBitsCount())){
::close(pvFd);
pvFd = -1;
pvPortLock->unlock();
strNum.setNum(cfg.dataBitsCount());
mdtError e(MDT_UNDEFINED_ERROR, "unsupported data bits count '" + strNum + "' for port " + pvName, mdtError::Error);
MDT_ERROR_SET_SRC(e, "mdtSerialPortPosix");
e.commit();
unlockMutex();
return false;
}
// Set stop bits
if(!setStopBits(cfg.stopBitsCount())){
::close(pvFd);
pvFd = -1;
pvPortLock->unlock();
strNum.setNum(cfg.stopBitsCount());
mdtError e(MDT_UNDEFINED_ERROR, "unsupported stop bits count '" + strNum + "' for port " + pvName, mdtError::Error);
MDT_ERROR_SET_SRC(e, "mdtSerialPortPosix");
e.commit();
unlockMutex();
return false;
}
// Set parity
setParity(cfg.parity());
// Set flow control
setFlowCtlRtsCts(cfg.flowCtlRtsCtsEnabled());
setFlowCtlXonXoff(cfg.flowCtlXonXoffEnabled(), cfg.xonChar(), cfg.xoffChar());
// Set raw data mode
pvTermios.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
pvTermios.c_oflag &= ~OPOST;
// Apply the setup
if(tcsetattr(pvFd, TCSANOW, &pvTermios) < 0){
::close(pvFd);
pvFd = -1;
pvPortLock->unlock();
mdtError e(MDT_UNDEFINED_ERROR, "unable to apply configuration for port " + pvName, mdtError::Error);
e.setSystemError(errno, strerror(errno));
MDT_ERROR_SET_SRC(e, "mdtSerialPortPosix");
e.commit();
unlockMutex();
return false;
}
// Check if configuration could really be set
if(!checkConfig(cfg)){
::close(pvFd);
pvFd = -1;
pvPortLock->unlock();
unlockMutex();
return false;
}
// Set the read/write timeouts
setReadTimeout(cfg.readTimeout());
setWriteTimeout(cfg.writeTimeout());
return mdtAbstractPort::open(cfg);
}
