Examples with InterruptedIOException java.io.InterruptedIOException used on opensource projects

Example 96 with InterruptedIOException

use of java.io.InterruptedIOException in project opennms by OpenNMS.

the class Receiver method run.

/**
     * <p>run</p>
     */
@Override
public void run() {
    //
    synchronized (this) {
        m_status = RUNNING;
    }
    byte[] dgbuf = new byte[2048];
    //
    for (; ; ) {
        try {
            DatagramPacket pkt = new DatagramPacket(dgbuf, dgbuf.length);
            m_receiver.receive(pkt);
            LOG.debug("got a DHCP response.");
            Message msg = new Message(pkt.getAddress(), new DHCPMessage(pkt.getData()));
            synchronized (m_clients) {
                Iterator<Client> iter = m_clients.iterator();
                if (!iter.hasNext()) {
                    LOG.debug("No client waiting for response.");
                }
                while (iter.hasNext()) {
                    Client c = iter.next();
                    if (c.getStatus() == RUNNING) {
                        try {
                            LOG.debug("sending DHCP response pkt to client {}", c.getName());
                            c.sendMessage(msg);
                        } catch (IOException ex) {
                            LOG.warn("Error sending response to client {}", c.getName());
                        }
                    } else if (c.getStatus() == STOPPED) {
                        LOG.debug("Removing stale client {}", c.getName());
                        iter.remove();
                    }
                }
            }
        } catch (InterruptedIOException ex) {
        // ignore
        } catch (ArrayIndexOutOfBoundsException ex) {
            LOG.warn("An error occurred when reading DHCP response. Ignoring exception: ", ex);
        } catch (IOException ex) {
            synchronized (this) {
                if (m_status == RUNNING)
                    LOG.warn("Failed to read message, I/O error", ex);
            }
            break;
        } catch (Throwable t) {
            synchronized (this) {
                if (m_status == RUNNING)
                    LOG.warn("Undeclared throwable caught", t);
            }
            break;
        }
        synchronized (this) {
            if (m_status != RUNNING)
                break;
        }
    }
    synchronized (this) {
        m_status = STOP_PENDING;
    }
    // close the datagram socket
    //
    m_receiver.close();
    synchronized (this) {
        m_status = STOPPED;
    }
}

Example 97 with InterruptedIOException

use of java.io.InterruptedIOException in project opennms by OpenNMS.

the class Receiver2 method run.

/**
     * <p>run</p>
     */
@Override
public void run() {
    //
    synchronized (this) {
        m_status = RUNNING;
    }
    byte[] dgbuf = new byte[2048];
    //
    for (; ; ) {
        try {
            DatagramPacket pkt = new DatagramPacket(dgbuf, dgbuf.length);
            m_receiver.receive(pkt);
            LOG.debug("got a DHCP response.");
            Message msg = new Message(pkt.getAddress(), new DHCPMessage(pkt.getData()));
            synchronized (m_clients) {
                Iterator<Client> iter = m_clients.iterator();
                if (!iter.hasNext()) {
                    LOG.debug("No client waiting for response.");
                }
                while (iter.hasNext()) {
                    Client c = iter.next();
                    if (c.getStatus() == RUNNING) {
                        try {
                            LOG.debug("sending DHCP response pkt to client {}", c.getName());
                            c.sendMessage(msg);
                        } catch (IOException ex) {
                            LOG.warn("Error sending response to client {}", c.getName());
                        }
                    } else if (c.getStatus() == STOPPED) {
                        LOG.debug("Removing stale client {}", c.getName());
                        iter.remove();
                    }
                }
            }
        } catch (InterruptedIOException ex) {
        // ignore
        } catch (ArrayIndexOutOfBoundsException ex) {
            LOG.warn("An error occurred when reading DHCP response. Ignoring exception: ", ex);
        } catch (NegativeArraySizeException ex) {
            // Ignore cases where the target returns a badly-formatted DHCP response
            // Fixes http://bugzilla.opennms.org/show_bug.cgi?id=3445
            LOG.warn("An error occurred when reading DHCP response. Ignoring exception: ", ex);
        } catch (IOException ex) {
            synchronized (this) {
                if (m_status == RUNNING)
                    LOG.warn("Failed to read message, I/O error", ex);
            }
            break;
        } catch (Throwable t) {
            synchronized (this) {
                if (m_status == RUNNING)
                    LOG.warn("Undeclared throwable caught", t);
            }
            break;
        }
        synchronized (this) {
            if (m_status != RUNNING)
                break;
        }
    }
    synchronized (this) {
        m_status = STOP_PENDING;
    }
    // close the datagram socket
    //
    m_receiver.close();
    synchronized (this) {
        m_status = STOPPED;
    }
}

Example 98 with InterruptedIOException

use of java.io.InterruptedIOException in project opennms by OpenNMS.

the class NrpeMonitor method poll.

/**
     * {@inheritDoc}
     *
     * Poll the specified address for service availability.
     *
     * During the poll an attempt is made to connect on the specified port. If
     * the connection request is successful, the banner line generated by the
     * interface is parsed and if the banner text indicates that we are talking
     * to Provided that the interface's response is valid we set the service
     * status to SERVICE_AVAILABLE and return.
     */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    String reason = null;
    TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    String command = ParameterMap.getKeyedString(parameters, "command", NrpePacket.HELLO_COMMAND);
    int port = ParameterMap.getKeyedInteger(parameters, "port", CheckNrpe.DEFAULT_PORT);
    int padding = ParameterMap.getKeyedInteger(parameters, "padding", NrpePacket.DEFAULT_PADDING);
    boolean useSsl = ParameterMap.getKeyedBoolean(parameters, "usessl", DEFAULT_USE_SSL);
    /*
        // Port
        //
        int port = ParameterMap.getKeyedInteger(parameters, "port", DEFAULT_PORT);
        if (port == DEFAULT_PORT) {
            throw new RuntimeException("NrpeMonitor: required parameter 'port' is not present in supplied properties.");
        }
        */
    // BannerMatch
    //
    //Commented out because it is not currently referenced in this monitor
    //String strBannerMatch = (String) parameters.get("banner");
    // Get the address instance.
    //
    InetAddress ipv4Addr = svc.getAddress();
    final String hostAddress = InetAddressUtils.str(ipv4Addr);
    LOG.debug("poll: address = {}, port = {}, {}", hostAddress, port, tracker);
    // Give it a whirl
    //
    int serviceStatus = PollStatus.SERVICE_UNAVAILABLE;
    Double responseTime = null;
    for (tracker.reset(); tracker.shouldRetry() && serviceStatus != PollStatus.SERVICE_AVAILABLE; tracker.nextAttempt()) {
        Socket socket = null;
        try {
            //
            // create a connected socket
            //
            tracker.startAttempt();
            socket = new Socket();
            socket.connect(new InetSocketAddress(ipv4Addr, port), tracker.getConnectionTimeout());
            socket.setSoTimeout(tracker.getSoTimeout());
            LOG.debug("NrpeMonitor: connected to host: {} on port: {}", ipv4Addr, port);
            reason = "Perhaps check the value of 'usessl' for this monitor against the NRPE daemon configuration";
            socket = wrapSocket(socket, useSsl);
            // We're connected, so upgrade status to unresponsive
            serviceStatus = PollStatus.SERVICE_UNRESPONSIVE;
            reason = "Connected successfully, but no response received";
            NrpePacket p = new NrpePacket(NrpePacket.QUERY_PACKET, (short) 0, command);
            byte[] b = p.buildPacket(padding);
            OutputStream o = socket.getOutputStream();
            o.write(b);
            /*
                if (strBannerMatch == null || strBannerMatch.length() == 0 || strBannerMatch.equals("*")) {

				if (true) {
                    serviceStatus = SERVICE_AVAILABLE;
                    // Store response time in RRD
                    if (responseTime >= 0 && rrdPath != null) {
                        try {
                            this.updateRRD(rrdPath, ipv4Addr, dsName, responseTime, pkg);
                        } catch (RuntimeException rex) {
                            LOG.debug("There was a problem writing the RRD: {}", rex);
                        }
                    }
                    break;
                }

                BufferedReader rdr = new BufferedReader(new InputStreamReader(socket.getInputStream()));

                //
                // Tokenize the Banner Line, and check the first
                // line for a valid return.
                //
                String response = rdr.readLine();
                responseTime = System.currentTimeMillis() - sentTime;

                if (response == null)
                    continue;
                LOG.debug("poll: banner = {}", response);
                LOG.debug("poll: responseTime= {}ms", responseTime);

                if (response.indexOf(strBannerMatch) > -1) {
                */
            NrpePacket response = NrpePacket.receivePacket(socket.getInputStream(), padding);
            responseTime = tracker.elapsedTimeInMillis();
            if (response.getResultCode() == 0) {
                serviceStatus = PollStatus.SERVICE_AVAILABLE;
                reason = null;
            } else {
                serviceStatus = PollStatus.SERVICE_UNAVAILABLE;
                reason = "NRPE command returned code " + response.getResultCode() + " and message: " + response.getBuffer();
            }
        } catch (NoRouteToHostException e) {
            reason = "No route to host exception for address " + hostAddress;
            LOG.warn("poll: {}", reason, e);
        } catch (InterruptedIOException e) {
            reason = "did not connect to host within " + tracker;
            LOG.debug("NrpeMonitor: did not connect to host within {}", tracker);
        } catch (ConnectException e) {
            reason = "Connection exception for address: " + ipv4Addr;
            //
            if (LOG.isDebugEnabled()) {
                e.fillInStackTrace();
                LOG.debug("poll: {}", reason, e);
            }
        } catch (NrpeException e) {
            reason = "NrpeException while polling address: " + ipv4Addr;
            if (LOG.isDebugEnabled()) {
                e.fillInStackTrace();
                LOG.debug("poll: {}", reason, e);
            }
        } catch (IOException e) {
            // Ignore
            reason = "IOException while polling address: " + ipv4Addr;
            if (LOG.isDebugEnabled()) {
                e.fillInStackTrace();
                LOG.debug("poll: {}", reason, e);
            }
        } finally {
            try {
                // Close the socket
                if (socket != null) {
                    socket.close();
                }
            } catch (IOException e) {
                if (LOG.isDebugEnabled()) {
                    e.fillInStackTrace();
                    LOG.debug("poll: Error closing socket.", e);
                }
            }
        }
    }
    //
    if (reason == null) {
        return PollStatus.get(serviceStatus, responseTime);
    } else {
        return PollStatus.get(serviceStatus, reason);
    }
}

Example 99 with InterruptedIOException

use of java.io.InterruptedIOException in project opennms by OpenNMS.

the class TcpMonitor method poll.

/**
     * {@inheritDoc}
     *
     * Poll the specified address for service availability.
     *
     * During the poll an attempt is made to connect on the specified port. If
     * the connection request is successful, the banner line generated by the
     * interface is parsed and if the banner text indicates that we are talking
     * to Provided that the interface's response is valid we set the service
     * status to SERVICE_AVAILABLE and return.
     */
@Override
public PollStatus poll(MonitoredService svc, Map<String, Object> parameters) {
    //
    // Process parameters
    //
    //
    // Get interface address from NetworkInterface
    //
    TimeoutTracker tracker = new TimeoutTracker(parameters, DEFAULT_RETRY, DEFAULT_TIMEOUT);
    // Port
    //
    int port = ParameterMap.getKeyedInteger(parameters, PARAMETER_PORT, DEFAULT_PORT);
    if (port == DEFAULT_PORT) {
        throw new RuntimeException("TcpMonitor: required parameter 'port' is not present in supplied properties.");
    }
    // BannerMatch
    //
    String strBannerMatch = ParameterMap.getKeyedString(parameters, PARAMETER_BANNER, null);
    // Get the address instance.
    //
    InetAddress ipAddr = svc.getAddress();
    final String hostAddress = InetAddressUtils.str(ipAddr);
    LOG.debug("poll: address = {}, port = {}, {}", hostAddress, port, tracker);
    // Give it a whirl
    //
    PollStatus serviceStatus = PollStatus.unavailable();
    for (tracker.reset(); tracker.shouldRetry() && !serviceStatus.isAvailable(); tracker.nextAttempt()) {
        Socket socket = null;
        try {
            tracker.startAttempt();
            socket = new Socket();
            socket.connect(new InetSocketAddress(ipAddr, port), tracker.getConnectionTimeout());
            socket.setSoTimeout(tracker.getSoTimeout());
            LOG.debug("TcpMonitor: connected to host: {} on port: {}", ipAddr, port);
            // We're connected, so upgrade status to unresponsive
            serviceStatus = PollStatus.unresponsive();
            if (strBannerMatch == null || strBannerMatch.length() == 0 || strBannerMatch.equals("*")) {
                serviceStatus = PollStatus.available(tracker.elapsedTimeInMillis());
                break;
            }
            BufferedReader rdr = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            //
            // Tokenize the Banner Line, and check the first
            // line for a valid return.
            //
            String response = rdr.readLine();
            double responseTime = tracker.elapsedTimeInMillis();
            if (response == null)
                continue;
            LOG.debug("poll: banner = {}", response);
            LOG.debug("poll: responseTime= {}ms", responseTime);
            //Could it be a regex?
            if (strBannerMatch.charAt(0) == '~') {
                if (!response.matches(strBannerMatch.substring(1)))
                    serviceStatus = PollStatus.unavailable("Banner does not match Regex '" + strBannerMatch + "'");
                else
                    serviceStatus = PollStatus.available(responseTime);
            } else {
                if (response.indexOf(strBannerMatch) > -1) {
                    serviceStatus = PollStatus.available(responseTime);
                } else {
                    serviceStatus = PollStatus.unavailable("Banner: '" + response + "' does not contain match string '" + strBannerMatch + "'");
                }
            }
        } catch (NoRouteToHostException e) {
            String reason = "No route to host exception for address " + hostAddress;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
            // Break out of for(;;)
            break;
        } catch (InterruptedIOException e) {
            String reason = "did not connect to host with " + tracker;
            LOG.debug(reason);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (ConnectException e) {
            String reason = "Connection exception for address: " + ipAddr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (IOException e) {
            String reason = "IOException while polling address: " + ipAddr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } finally {
            try {
                // Close the socket
                if (socket != null)
                    socket.close();
            } catch (IOException e) {
                e.fillInStackTrace();
                LOG.debug("poll: Error closing socket.", e);
            }
        }
    }
    //
    return serviceStatus;
}

Example 100 with InterruptedIOException

use of java.io.InterruptedIOException in project opennms by OpenNMS.

the class TrivialTimeMonitor method pollTimeTcp.

/**
     * <p>pollTimeTcp</p>
     *
     * @param svc a {@link org.opennms.netmgt.poller.MonitoredService} object.
     * @param parameters a {@link java.util.Map} object.
     * @param serviceStatus a {@link org.opennms.netmgt.poller.PollStatus} object.
     * @param tracker a {@link org.opennms.core.utils.TimeoutTracker} object.
     * @param ipv4Addr a {@link java.net.InetAddress} object.
     * @param port a int.
     * @param allowedSkew a int.
     * @param persistSkew a boolean.
     * @return a {@link org.opennms.netmgt.poller.PollStatus} object.
     */
public PollStatus pollTimeTcp(MonitoredService svc, Map<String, Object> parameters, PollStatus serviceStatus, TimeoutTracker tracker, InetAddress ipv4Addr, int port, int allowedSkew, boolean persistSkew) {
    int localTime = 0;
    int remoteTime = 0;
    boolean gotTime = false;
    for (tracker.reset(); tracker.shouldRetry() && !gotTime; tracker.nextAttempt()) {
        Socket socket = null;
        try {
            tracker.startAttempt();
            socket = new Socket();
            socket.connect(new InetSocketAddress(ipv4Addr, port), tracker.getConnectionTimeout());
            socket.setSoTimeout(tracker.getSoTimeout());
            LOG.debug("Connected to host: {} on TCP port: {}", ipv4Addr, port);
            //
            // Try to read from the socket
            //
            byte[] timeBytes = new byte[4];
            ByteBuffer timeByteBuffer = ByteBuffer.wrap(timeBytes);
            int bytesRead = socket.getInputStream().read(timeBytes);
            if (bytesRead != 4)
                continue;
            LOG.debug("pollTimeTcp: bytes read = {}", bytesRead);
            try {
                remoteTime = timeByteBuffer.getInt();
            } catch (BufferUnderflowException bue) {
                LOG.error("Encountered buffer underflow while reading time from remote socket.");
                remoteTime = 0;
                serviceStatus = PollStatus.unavailable("Failed to read a valid time from remote host.");
                // to next iteration of for() loop
                continue;
            }
            localTime = (int) (System.currentTimeMillis() / 1000) - EPOCH_ADJ_FACTOR;
            gotTime = true;
            serviceStatus = qualifyTime(remoteTime, localTime, allowedSkew, serviceStatus, tracker.elapsedTimeInMillis(), persistSkew);
        } catch (NoRouteToHostException e) {
            String reason = "No route to host exception for address " + InetAddressUtils.str(ipv4Addr);
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (InterruptedIOException e) {
            String reason = "did not connect to host with " + tracker;
            LOG.debug(reason);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (ConnectException e) {
            String reason = "Connection exception for address: " + ipv4Addr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } catch (IOException e) {
            String reason = "IOException while polling address: " + ipv4Addr;
            LOG.debug(reason, e);
            serviceStatus = PollStatus.unavailable(reason);
        } finally {
            try {
                // Close the socket
                if (socket != null)
                    socket.close();
            } catch (IOException e) {
                e.fillInStackTrace();
                LOG.debug("pollTimeTcp: Error closing socket.", e);
            }
        }
    }
    return serviceStatus;
}