Examples with PortInUseException gnu.io.PortInUseException used on opensource projects

Example 16 with PortInUseException

use of gnu.io.PortInUseException in project JMRI by JMRI.

the class SerialDriverAdapter method openPort.

@Override
public String openPort(String portName, String appName) {
    // open the port, check ability to set moderators
    try {
        // get and open the primary port
        CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
        try {
            // name of program, msec to wait
            activeSerialPort = (SerialPort) portID.open(appName, 2000);
        } catch (PortInUseException p) {
            return handlePortBusy(p, portName, log);
        }
        // try to set it for comunication via SerialDriver
        try {
            activeSerialPort.setSerialPortParams(currentBaudNumber(getCurrentBaudRate()), SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_ODD);
        } catch (gnu.io.UnsupportedCommOperationException e) {
            //IN18N
            log.error("Cannot set serial parameters on port " + portName + ": " + e.getMessage());
            //IN18N
            return "Cannot set serial parameters on port " + portName + ": " + e.getMessage();
        }
        // set RTS high, DTR high
        // not connected in some serial ports and adapters
        activeSerialPort.setRTS(true);
        // pin 1 in DIN8; on main connector, this is DTR
        activeSerialPort.setDTR(true);
        // disable flow control; hardware lines used for signaling, XON/XOFF might appear in data
        activeSerialPort.setFlowControlMode(0);
        // set timeout
        // activeSerialPort.enableReceiveTimeout(1000);
        log.info("Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + //IN18N
        activeSerialPort.isReceiveTimeoutEnabled());
        //IN18N
        log.info("input buffer " + activeSerialPort.getInputBufferSize());
        // get and save stream
        serialStream = activeSerialPort.getInputStream();
        // purge contents, if any
        purgeStream(serialStream);
        // report status?
        if (log.isInfoEnabled()) {
            log.info(portName + " port opened at " + activeSerialPort.getBaudRate() + " baud, sees " + " DTR: " + activeSerialPort.isDTR() + " RTS: " + activeSerialPort.isRTS() + " DSR: " + activeSerialPort.isDSR() + " CTS: " + activeSerialPort.isCTS() + "  CD: " + activeSerialPort.isCD());
        //IN18N
        }
        opened = true;
    } catch (gnu.io.NoSuchPortException p) {
        return handlePortNotFound(p, portName, log);
    } catch (Exception ex) {
        //IN18N
        log.error("Unexpected exception while opening port " + portName + " trace follows: " + ex);
        ex.printStackTrace();
        //IN18N
        return "Unexpected error while opening port " + portName + ": " + ex;
    }
    // indicates OK return
    return null;
}

Example 17 with PortInUseException

use of gnu.io.PortInUseException in project JMRI by JMRI.

the class NcePacketMonitorPanel method openPort.

public synchronized String openPort(String portName, String appName) {
    // open the port, check ability to set moderators
    try {
        // get and open the primary port
        CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
        try {
            // name of program, msec to wait
            activeSerialPort = (SerialPort) portID.open(appName, 2000);
        } catch (PortInUseException p) {
            handlePortBusy(p, portName);
            return "Port " + p + " in use already";
        }
        // try to set it for communication via SerialDriver
        try {
            // Doc says 7 bits, but 8 seems needed
            activeSerialPort.setSerialPortParams(38400, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
        } catch (gnu.io.UnsupportedCommOperationException e) {
            log.error("Cannot set serial parameters on port " + portName + ": " + e.getMessage());
            return "Cannot set serial parameters on port " + portName + ": " + e.getMessage();
        }
        // set RTS high, DTR high
        // not connected in some serial ports and adapters
        activeSerialPort.setRTS(true);
        // pin 1 in DIN8; on main connector, this is DTR
        activeSerialPort.setDTR(true);
        // disable flow control; hardware lines used for signaling, XON/XOFF might appear in data
        activeSerialPort.setFlowControlMode(0);
        // set timeout
        log.debug("Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + activeSerialPort.isReceiveTimeoutEnabled());
        // get and save stream
        serialStream = new DataInputStream(activeSerialPort.getInputStream());
        ostream = activeSerialPort.getOutputStream();
        // make less verbose
        sendBytes(new byte[] { (byte) 'L', (byte) '-', 10, 13 });
        // purge contents, if any
        int count = serialStream.available();
        log.debug("input stream shows " + count + " bytes available");
        while (count > 0) {
            serialStream.skip(count);
            count = serialStream.available();
        }
        // report status?
        if (log.isInfoEnabled()) {
            log.info(portName + " port opened at " + activeSerialPort.getBaudRate() + " baud, sees " + " DTR: " + activeSerialPort.isDTR() + " RTS: " + activeSerialPort.isRTS() + " DSR: " + activeSerialPort.isDSR() + " CTS: " + activeSerialPort.isCTS() + "  CD: " + activeSerialPort.isCD());
        }
    } catch (java.io.IOException ex) {
        log.error("IO error while opening port " + portName, ex);
        return "IO error while opening port " + portName + ": " + ex;
    } catch (gnu.io.UnsupportedCommOperationException ex) {
        log.error("Unsupported communications operation while opening port " + portName, ex);
        return "Unsupported communications operation while opening port " + portName + ": " + ex;
    } catch (gnu.io.NoSuchPortException ex) {
        log.error("No such port: " + portName, ex);
        return "No such port: " + portName + ": " + ex;
    }
    // indicates OK return
    return null;
}

Example 18 with PortInUseException

use of gnu.io.PortInUseException in project JMRI by JMRI.

the class SerialDriverAdapter method openPort.

@Override
public String openPort(String portName, String appName) {
    // open the port, check ability to set moderators
    try {
        // get and open the primary port
        CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
        try {
            // name of program, msec to wait
            activeSerialPort = (SerialPort) portID.open(appName, 2000);
        } catch (PortInUseException p) {
            return handlePortBusy(p, portName, log);
        }
        // try to set it for communication via SerialDriver
        try {
            // find the baud rate value, configure comm options
            // default, but also defaulted in the initial value of selectedSpeed
            int baud = validSpeedValues[0];
            for (int i = 0; i < validSpeeds.length; i++) {
                if (validSpeeds[i].equals(mBaudRate)) {
                    baud = validSpeedValues[i];
                }
            }
            activeSerialPort.setSerialPortParams(baud, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
        } catch (gnu.io.UnsupportedCommOperationException e) {
            log.error("Cannot set serial parameters on port " + portName + ": " + e.getMessage());
            return "Cannot set serial parameters on port " + portName + ": " + e.getMessage();
        }
        // set RTS high, DTR high
        // not connected in some serial ports and adapters
        activeSerialPort.setRTS(true);
        // pin 1 in DIN8; on main connector, this is DTR
        activeSerialPort.setDTR(true);
        // disable flow control; hardware lines used for signaling, XON/XOFF might appear in data
        activeSerialPort.setFlowControlMode(0);
        // 50 mSec timeout before sending chars
        activeSerialPort.enableReceiveTimeout(50);
        // set timeout
        // activeSerialPort.enableReceiveTimeout(1000);
        log.debug("Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + activeSerialPort.isReceiveTimeoutEnabled());
        // get and save stream
        serialStream = activeSerialPort.getInputStream();
        // purge contents, if any
        purgeStream(serialStream);
        // report status
        if (log.isInfoEnabled()) {
            log.info("NCE " + portName + " port opened at " + activeSerialPort.getBaudRate() + " baud");
        }
        opened = true;
    } catch (gnu.io.NoSuchPortException p) {
        return handlePortNotFound(p, portName, log);
    } catch (Exception ex) {
        log.error("Unexpected exception while opening port " + portName + " trace follows: " + ex);
        ex.printStackTrace();
        return "Unexpected error while opening port " + portName + ": " + ex;
    }
    // indicates OK return
    return null;
}

Example 19 with PortInUseException

use of gnu.io.PortInUseException in project JMRI by JMRI.

the class UsbDriverAdapter method openPort.

@Override
public String openPort(String portName, String appName) {
    // open the port, check ability to set moderators
    try {
        // get and open the primary port
        CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
        try {
            // name of program, msec to wait
            activeSerialPort = (SerialPort) portID.open(appName, 2000);
        } catch (PortInUseException p) {
            return handlePortBusy(p, portName, log);
        }
        // try to set it for communication via SerialDriver
        try {
            // find the baud rate value, configure comm options
            // default, but also defaulted in the initial value of selectedSpeed
            int baud = validSpeedValues[0];
            for (int i = 0; i < validSpeeds.length; i++) {
                if (validSpeeds[i].equals(mBaudRate)) {
                    baud = validSpeedValues[i];
                }
            }
            activeSerialPort.setSerialPortParams(baud, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
        } catch (gnu.io.UnsupportedCommOperationException e) {
            log.error("Cannot set serial parameters on port " + portName + ": " + e.getMessage());
            return "Cannot set serial parameters on port " + portName + ": " + e.getMessage();
        }
        // set RTS high, DTR high
        // not connected in some serial ports and adapters
        activeSerialPort.setRTS(true);
        // pin 1 in DIN8; on main connector, this is DTR
        activeSerialPort.setDTR(true);
        // disable flow control; hardware lines used for signaling, XON/XOFF might appear in data
        activeSerialPort.setFlowControlMode(0);
        // 50 mSec timeout before sending chars
        activeSerialPort.enableReceiveTimeout(50);
        // set timeout
        // activeSerialPort.enableReceiveTimeout(1000);
        log.debug("Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + activeSerialPort.isReceiveTimeoutEnabled());
        // get and save stream
        serialStream = activeSerialPort.getInputStream();
        // purge contents, if any
        purgeStream(serialStream);
        // report status
        if (log.isInfoEnabled()) {
            log.info("NCE USB " + portName + " port opened at " + activeSerialPort.getBaudRate() + " baud");
        }
        opened = true;
    } catch (gnu.io.NoSuchPortException p) {
        return handlePortNotFound(p, portName, log);
    } catch (Exception ex) {
        log.error("Unexpected exception while opening port " + portName + " trace follows: " + ex);
        ex.printStackTrace();
        return "Unexpected error while opening port " + portName + ": " + ex;
    }
    // indicates OK return
    return null;
}

Example 20 with PortInUseException

use of gnu.io.PortInUseException in project JMRI by JMRI.

the class SerialDriverAdapter method openPort.

@Override
public String openPort(String portName, String appName) {
    try {
        // get and open the primary port
        CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
        try {
            // name of program, msec to wait
            activeSerialPort = (SerialPort) portID.open(appName, 2000);
        } catch (PortInUseException p) {
            return handlePortBusy(p, portName, log);
        }
        // try to set it for serial
        try {
            setSerialPort();
        } catch (gnu.io.UnsupportedCommOperationException e) {
            log.error("Cannot set serial parameters on port " + portName + ": " + e.getMessage());
            return "Cannot set serial parameters on port " + portName + ": " + e.getMessage();
        }
        // set framing (end) character
        try {
            activeSerialPort.enableReceiveFraming(0x03);
            log.debug("Serial framing was observed as: " + activeSerialPort.isReceiveFramingEnabled() + " " + activeSerialPort.getReceiveFramingByte());
        } catch (Exception ef) {
            log.debug("failed to set serial framing: " + ef);
        }
        // set timeout; framing should work before this anyway
        try {
            activeSerialPort.enableReceiveTimeout(10);
            log.debug("Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + activeSerialPort.isReceiveTimeoutEnabled());
        } catch (Exception et) {
            log.info("failed to set serial timeout: " + et);
        }
        // get and save stream
        serialStream = activeSerialPort.getInputStream();
        // purge contents, if any
        purgeStream(serialStream);
        // report status?
        if (log.isInfoEnabled()) {
            // report now
            log.info(portName + " port opened at " + activeSerialPort.getBaudRate() + " baud with" + " DTR: " + activeSerialPort.isDTR() + " RTS: " + activeSerialPort.isRTS() + " DSR: " + activeSerialPort.isDSR() + " CTS: " + activeSerialPort.isCTS() + "  CD: " + activeSerialPort.isCD());
        }
        if (log.isDebugEnabled()) {
            // report additional status
            log.debug(" port flow control shows " + (activeSerialPort.getFlowControlMode() == SerialPort.FLOWCONTROL_RTSCTS_OUT ? "hardware flow control" : "no flow control"));
        }
        if (log.isDebugEnabled()) {
            // arrange to notify later
            activeSerialPort.addEventListener(new SerialPortEventListener() {

                @Override
                public void serialEvent(SerialPortEvent e) {
                    int type = e.getEventType();
                    switch(type) {
                        case SerialPortEvent.DATA_AVAILABLE:
                            log.info("SerialEvent: DATA_AVAILABLE is " + e.getNewValue());
                            return;
                        case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
                            log.info("SerialEvent: OUTPUT_BUFFER_EMPTY is " + e.getNewValue());
                            return;
                        case SerialPortEvent.CTS:
                            log.info("SerialEvent: CTS is " + e.getNewValue());
                            return;
                        case SerialPortEvent.DSR:
                            log.info("SerialEvent: DSR is " + e.getNewValue());
                            return;
                        case SerialPortEvent.RI:
                            log.info("SerialEvent: RI is " + e.getNewValue());
                            return;
                        case SerialPortEvent.CD:
                            log.info("SerialEvent: CD is " + e.getNewValue());
                            return;
                        case SerialPortEvent.OE:
                            log.info("SerialEvent: OE (overrun error) is " + e.getNewValue());
                            return;
                        case SerialPortEvent.PE:
                            log.info("SerialEvent: PE (parity error) is " + e.getNewValue());
                            return;
                        case SerialPortEvent.FE:
                            log.info("SerialEvent: FE (framing error) is " + e.getNewValue());
                            return;
                        case SerialPortEvent.BI:
                            log.info("SerialEvent: BI (break interrupt) is " + e.getNewValue());
                            return;
                        default:
                            log.info("SerialEvent of unknown type: " + type + " value: " + e.getNewValue());
                            return;
                    }
                }
            });
            try {
                activeSerialPort.notifyOnFramingError(true);
            } catch (Exception e) {
                log.debug("Could not notifyOnFramingError: " + e);
            }
            try {
                activeSerialPort.notifyOnBreakInterrupt(true);
            } catch (Exception e) {
                log.debug("Could not notifyOnBreakInterrupt: " + e);
            }
            try {
                activeSerialPort.notifyOnParityError(true);
            } catch (Exception e) {
                log.debug("Could not notifyOnParityError: " + e);
            }
            try {
                activeSerialPort.notifyOnOverrunError(true);
            } catch (Exception e) {
                log.debug("Could not notifyOnOverrunError: " + e);
            }
        }
        opened = true;
    } catch (gnu.io.NoSuchPortException p) {
        return handlePortNotFound(p, portName, log);
    } catch (Exception ex) {
        log.error("Unexpected exception while opening port " + portName + " trace follows: " + ex);
        ex.printStackTrace();
        return "Unexpected error while opening port " + portName + ": " + ex;
    }
    // normal operation
    return null;
}