Java Code Examples for sun.rmi.transport.Connection#close()

The following examples show how to use sun.rmi.transport.Connection#close() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TCPChannel.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Closes all the connections in the cache, whether timed out or not.
 */
public void shedCache() {
    // Build a list of connections, to avoid holding the freeList
    // lock during (potentially long-running) close() calls.
    Connection[] conn;
    synchronized (freeList) {
        conn = freeList.toArray(new Connection[freeList.size()]);
        freeList.clear();
    }

    // Close all the connections that were free
    for (int i = conn.length; --i >= 0; ) {
        Connection c = conn[i];
        conn[i] = null; // help gc
        try {
            c.close();
        } catch (java.io.IOException e) {
            // eat exception
        }
    }
}
Example 2
Source File: TCPChannel.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Closes all the connections in the cache, whether timed out or not.
 */
public void shedCache() {
    // Build a list of connections, to avoid holding the freeList
    // lock during (potentially long-running) close() calls.
    Connection[] conn;
    synchronized (freeList) {
        conn = freeList.toArray(new Connection[freeList.size()]);
        freeList.clear();
    }

    // Close all the connections that were free
    for (int i = conn.length; --i >= 0; ) {
        Connection c = conn[i];
        conn[i] = null; // help gc
        try {
            c.close();
        } catch (java.io.IOException e) {
            // eat exception
        }
    }
}
Example 3
Source File: TCPChannel.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Closes all the connections in the cache, whether timed out or not.
 */
public void shedCache() {
    // Build a list of connections, to avoid holding the freeList
    // lock during (potentially long-running) close() calls.
    Connection[] conn;
    synchronized (freeList) {
        conn = freeList.toArray(new Connection[freeList.size()]);
        freeList.clear();
    }

    // Close all the connections that were free
    for (int i = conn.length; --i >= 0; ) {
        Connection c = conn[i];
        conn[i] = null; // help gc
        try {
            c.close();
        } catch (java.io.IOException e) {
            // eat exception
        }
    }
}
Example 4
Source File: TCPChannel.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Closes all the connections in the cache, whether timed out or not.
 */
public void shedCache() {
    // Build a list of connections, to avoid holding the freeList
    // lock during (potentially long-running) close() calls.
    Connection[] conn;
    synchronized (freeList) {
        conn = freeList.toArray(new Connection[freeList.size()]);
        freeList.clear();
    }

    // Close all the connections that were free
    for (int i = conn.length; --i >= 0; ) {
        Connection c = conn[i];
        conn[i] = null; // help gc
        try {
            c.close();
        } catch (java.io.IOException e) {
            // eat exception
        }
    }
}
Example 5
Source File: TCPChannel.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Closes all the connections in the cache, whether timed out or not.
 */
public void shedCache() {
    // Build a list of connections, to avoid holding the freeList
    // lock during (potentially long-running) close() calls.
    Connection[] conn;
    synchronized (freeList) {
        conn = freeList.toArray(new Connection[freeList.size()]);
        freeList.clear();
    }

    // Close all the connections that were free
    for (int i = conn.length; --i >= 0; ) {
        Connection c = conn[i];
        conn[i] = null; // help gc
        try {
            c.close();
        } catch (java.io.IOException e) {
            // eat exception
        }
    }
}
Example 6
Source File: TCPChannel.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Free the connection generated by this channel.
 * @param conn The connection
 * @param reuse If true, the connection is in a state in which it
 *        can be reused for another method call.
 */
public void free(Connection conn, boolean reuse) {
    if (conn == null) return;

    if (reuse && conn.isReusable()) {
        long lastuse = System.currentTimeMillis();
        TCPConnection tcpConnection = (TCPConnection) conn;

        TCPTransport.tcpLog.log(Log.BRIEF, "reuse connection");

        /*
         * Cache connection; if reaper task for expired
         * connections isn't scheduled, then schedule it.
         */
        synchronized (freeList) {
            freeList.add(tcpConnection);
            if (reaper == null) {
                TCPTransport.tcpLog.log(Log.BRIEF, "create reaper");

                reaper = scheduler.scheduleWithFixedDelay(
                    new Runnable() {
                        public void run() {
                            TCPTransport.tcpLog.log(Log.VERBOSE,
                                                    "wake up");
                            freeCachedConnections();
                        }
                    }, idleTimeout, idleTimeout, TimeUnit.MILLISECONDS);
            }
        }

        tcpConnection.setLastUseTime(lastuse);
        tcpConnection.setExpiration(lastuse + idleTimeout);
    } else {
        TCPTransport.tcpLog.log(Log.BRIEF, "close connection");

        try {
            conn.close();
        } catch (IOException ignored) {
        }
    }
}
Example 7
Source File: TCPTransport.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}
Example 8
Source File: TCPChannel.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Free the connection generated by this channel.
 * @param conn The connection
 * @param reuse If true, the connection is in a state in which it
 *        can be reused for another method call.
 */
public void free(Connection conn, boolean reuse) {
    if (conn == null) return;

    if (reuse && conn.isReusable()) {
        long lastuse = System.currentTimeMillis();
        TCPConnection tcpConnection = (TCPConnection) conn;

        TCPTransport.tcpLog.log(Log.BRIEF, "reuse connection");

        /*
         * Cache connection; if reaper task for expired
         * connections isn't scheduled, then schedule it.
         */
        synchronized (freeList) {
            freeList.add(tcpConnection);
            if (reaper == null) {
                TCPTransport.tcpLog.log(Log.BRIEF, "create reaper");

                reaper = scheduler.scheduleWithFixedDelay(
                    new Runnable() {
                        public void run() {
                            TCPTransport.tcpLog.log(Log.VERBOSE,
                                                    "wake up");
                            freeCachedConnections();
                        }
                    }, idleTimeout, idleTimeout, TimeUnit.MILLISECONDS);
            }
        }

        tcpConnection.setLastUseTime(lastuse);
        tcpConnection.setExpiration(lastuse + idleTimeout);
    } else {
        TCPTransport.tcpLog.log(Log.BRIEF, "close connection");

        try {
            conn.close();
        } catch (IOException ignored) {
        }
    }
}
Example 9
Source File: TCPTransport.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}
Example 10
Source File: TCPTransport.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}
Example 11
Source File: TCPChannel.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Free the connection generated by this channel.
 * @param conn The connection
 * @param reuse If true, the connection is in a state in which it
 *        can be reused for another method call.
 */
public void free(Connection conn, boolean reuse) {
    if (conn == null) return;

    if (reuse && conn.isReusable()) {
        long lastuse = System.currentTimeMillis();
        TCPConnection tcpConnection = (TCPConnection) conn;

        TCPTransport.tcpLog.log(Log.BRIEF, "reuse connection");

        /*
         * Cache connection; if reaper task for expired
         * connections isn't scheduled, then schedule it.
         */
        synchronized (freeList) {
            freeList.add(tcpConnection);
            if (reaper == null) {
                TCPTransport.tcpLog.log(Log.BRIEF, "create reaper");

                reaper = scheduler.scheduleWithFixedDelay(
                    new Runnable() {
                        public void run() {
                            TCPTransport.tcpLog.log(Log.VERBOSE,
                                                    "wake up");
                            freeCachedConnections();
                        }
                    }, idleTimeout, idleTimeout, TimeUnit.MILLISECONDS);
            }
        }

        tcpConnection.setLastUseTime(lastuse);
        tcpConnection.setExpiration(lastuse + idleTimeout);
    } else {
        TCPTransport.tcpLog.log(Log.BRIEF, "close connection");

        try {
            conn.close();
        } catch (IOException ignored) {
        }
    }
}
Example 12
Source File: TCPChannel.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Free the connection generated by this channel.
 * @param conn The connection
 * @param reuse If true, the connection is in a state in which it
 *        can be reused for another method call.
 */
public void free(Connection conn, boolean reuse) {
    if (conn == null) return;

    if (reuse && conn.isReusable()) {
        long lastuse = System.currentTimeMillis();
        TCPConnection tcpConnection = (TCPConnection) conn;

        TCPTransport.tcpLog.log(Log.BRIEF, "reuse connection");

        /*
         * Cache connection; if reaper task for expired
         * connections isn't scheduled, then schedule it.
         */
        synchronized (freeList) {
            freeList.add(tcpConnection);
            if (reaper == null) {
                TCPTransport.tcpLog.log(Log.BRIEF, "create reaper");

                reaper = scheduler.scheduleWithFixedDelay(
                    new Runnable() {
                        public void run() {
                            TCPTransport.tcpLog.log(Log.VERBOSE,
                                                    "wake up");
                            freeCachedConnections();
                        }
                    }, idleTimeout, idleTimeout, TimeUnit.MILLISECONDS);
            }
        }

        tcpConnection.setLastUseTime(lastuse);
        tcpConnection.setExpiration(lastuse + idleTimeout);
    } else {
        TCPTransport.tcpLog.log(Log.BRIEF, "close connection");

        try {
            conn.close();
        } catch (IOException ignored) {
        }
    }
}
Example 13
Source File: TCPChannel.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Free the connection generated by this channel.
 * @param conn The connection
 * @param reuse If true, the connection is in a state in which it
 *        can be reused for another method call.
 */
public void free(Connection conn, boolean reuse) {
    if (conn == null) return;

    if (reuse && conn.isReusable()) {
        long lastuse = System.currentTimeMillis();
        TCPConnection tcpConnection = (TCPConnection) conn;

        TCPTransport.tcpLog.log(Log.BRIEF, "reuse connection");

        /*
         * Cache connection; if reaper task for expired
         * connections isn't scheduled, then schedule it.
         */
        synchronized (freeList) {
            freeList.add(tcpConnection);
            if (reaper == null) {
                TCPTransport.tcpLog.log(Log.BRIEF, "create reaper");

                reaper = scheduler.scheduleWithFixedDelay(
                    new Runnable() {
                        public void run() {
                            TCPTransport.tcpLog.log(Log.VERBOSE,
                                                    "wake up");
                            freeCachedConnections();
                        }
                    }, idleTimeout, idleTimeout, TimeUnit.MILLISECONDS);
            }
        }

        tcpConnection.setLastUseTime(lastuse);
        tcpConnection.setExpiration(lastuse + idleTimeout);
    } else {
        TCPTransport.tcpLog.log(Log.BRIEF, "close connection");

        try {
            conn.close();
        } catch (IOException ignored) {
        }
    }
}
Example 14
Source File: TCPTransport.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}
Example 15
Source File: TCPTransport.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}
Example 16
Source File: TCPChannel.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Free the connection generated by this channel.
 * @param conn The connection
 * @param reuse If true, the connection is in a state in which it
 *        can be reused for another method call.
 */
public void free(Connection conn, boolean reuse) {
    if (conn == null) return;

    if (reuse && conn.isReusable()) {
        long lastuse = System.currentTimeMillis();
        TCPConnection tcpConnection = (TCPConnection) conn;

        TCPTransport.tcpLog.log(Log.BRIEF, "reuse connection");

        /*
         * Cache connection; if reaper task for expired
         * connections isn't scheduled, then schedule it.
         */
        synchronized (freeList) {
            freeList.add(tcpConnection);
            if (reaper == null) {
                TCPTransport.tcpLog.log(Log.BRIEF, "create reaper");

                reaper = scheduler.scheduleWithFixedDelay(
                    new Runnable() {
                        public void run() {
                            TCPTransport.tcpLog.log(Log.VERBOSE,
                                                    "wake up");
                            freeCachedConnections();
                        }
                    }, idleTimeout, idleTimeout, TimeUnit.MILLISECONDS);
            }
        }

        tcpConnection.setLastUseTime(lastuse);
        tcpConnection.setExpiration(lastuse + idleTimeout);
    } else {
        TCPTransport.tcpLog.log(Log.BRIEF, "close connection");

        try {
            conn.close();
        } catch (IOException ignored) {
        }
    }
}
Example 17
Source File: TCPChannel.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Free the connection generated by this channel.
 * @param conn The connection
 * @param reuse If true, the connection is in a state in which it
 *        can be reused for another method call.
 */
public void free(Connection conn, boolean reuse) {
    if (conn == null) return;

    if (reuse && conn.isReusable()) {
        long lastuse = System.currentTimeMillis();
        TCPConnection tcpConnection = (TCPConnection) conn;

        TCPTransport.tcpLog.log(Log.BRIEF, "reuse connection");

        /*
         * Cache connection; if reaper task for expired
         * connections isn't scheduled, then schedule it.
         */
        synchronized (freeList) {
            freeList.add(tcpConnection);
            if (reaper == null) {
                TCPTransport.tcpLog.log(Log.BRIEF, "create reaper");

                reaper = scheduler.scheduleWithFixedDelay(
                    new Runnable() {
                        public void run() {
                            TCPTransport.tcpLog.log(Log.VERBOSE,
                                                    "wake up");
                            freeCachedConnections();
                        }
                    }, idleTimeout, idleTimeout, TimeUnit.MILLISECONDS);
            }
        }

        tcpConnection.setLastUseTime(lastuse);
        tcpConnection.setExpiration(lastuse + idleTimeout);
    } else {
        TCPTransport.tcpLog.log(Log.BRIEF, "close connection");

        try {
            conn.close();
        } catch (IOException ignored) {
        }
    }
}
Example 18
Source File: TCPTransport.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}
Example 19
Source File: TCPTransport.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}
Example 20
Source File: TCPTransport.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * handleMessages decodes transport operations and handles messages
 * appropriately.  If an exception occurs during message handling,
 * the socket is closed.
 */
void handleMessages(Connection conn, boolean persistent) {
    int port = getEndpoint().getPort();

    try {
        DataInputStream in = new DataInputStream(conn.getInputStream());
        do {
            int op = in.read();     // transport op
            if (op == -1) {
                if (tcpLog.isLoggable(Log.BRIEF)) {
                    tcpLog.log(Log.BRIEF, "(port " +
                        port + ") connection closed");
                }
                break;
            }

            if (tcpLog.isLoggable(Log.BRIEF)) {
                tcpLog.log(Log.BRIEF, "(port " + port +
                    ") op = " + op);
            }

            switch (op) {
            case TransportConstants.Call:
                // service incoming RMI call
                RemoteCall call = new StreamRemoteCall(conn);
                if (serviceCall(call) == false)
                    return;
                break;

            case TransportConstants.Ping:
                // send ack for ping
                DataOutputStream out =
                    new DataOutputStream(conn.getOutputStream());
                out.writeByte(TransportConstants.PingAck);
                conn.releaseOutputStream();
                break;

            case TransportConstants.DGCAck:
                DGCAckHandler.received(UID.read(in));
                break;

            default:
                throw new IOException("unknown transport op " + op);
            }
        } while (persistent);

    } catch (IOException e) {
        // exception during processing causes connection to close (below)
        if (tcpLog.isLoggable(Log.BRIEF)) {
            tcpLog.log(Log.BRIEF, "(port " + port +
                ") exception: ", e);
        }
    } finally {
        try {
            conn.close();
        } catch (IOException ex) {
            // eat exception
        }
    }
}