Examples of org.apache.sshd.common.session.AbstractSession

org.apache.sshd.common.session.AbstractSession
The AbstractSession handles all the basic SSH protocol such as key exchange, authentication, encoding and decoding. Both server side and client side sessions should inherit from this abstract class. Some basic packet processing methods are defined but the actual call to these methods should be done from the {@link #handleMessage(org.apache.sshd.common.util.Buffer)}method, which is dependant on the state and side of this session. TODO: if there is any very big packet, decoderBuffer and uncompressBuffer will get quite big and they won't be resized down at any time. Though the packet size is really limited by the channel max packet size @author Apache MINA SSHD Project

     * Obtain the list of active sessions.
     */
    public List<AbstractSession> getActiveSessions() {
        List<AbstractSession> sessions = new ArrayList<AbstractSession>();
        for (IoSession ioSession : acceptor.getManagedSessions().values()) {
            AbstractSession session = AbstractSession.getSession(ioSession, true);
            if (session != null) {
                sessions.add(session);
            }
        }
        return sessions;

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     * Obtain the list of active sessions.
     */
    public List<AbstractSession> getActiveSessions() {
        List<AbstractSession> sessions = new ArrayList<AbstractSession>();
        for (IoSession ioSession : acceptor.getManagedSessions().values()) {
            AbstractSession session = AbstractSession.getSession(ioSession, true);
            if (session != null) {
                sessions.add(session);
            }
        }
        return sessions;

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            channel.setOut(out);
            channel.setErr(err);
            channel.open().await();


//            ((AbstractSession) session).disconnect(SshConstants.SSH2_DISCONNECT_BY_APPLICATION, "Cancel");
            AbstractSession cs = (AbstractSession) session;
            Buffer buffer = cs.createBuffer(SshConstants.SSH_MSG_DISCONNECT);
            buffer.putInt(SshConstants.SSH2_DISCONNECT_BY_APPLICATION);
            buffer.putString("Cancel");
            buffer.putString("");
            IoWriteFuture f = cs.writePacket(buffer);
            f.await();
            suspend(cs.getIoSession());


            TestEchoShellFactory.TestEchoShell.latch.await();
        } finally {
            TestEchoShellFactory.TestEchoShell.latch = null;
        }

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            channel.setOut(out);
            channel.setErr(err);
            channel.open().await();


//            ((AbstractSession) session).disconnect(SshConstants.SSH2_DISCONNECT_BY_APPLICATION, "Cancel");
            AbstractSession cs = (AbstractSession) session;
            Buffer buffer = cs.createBuffer(SshConstants.Message.SSH_MSG_DISCONNECT, 0);
            buffer.putInt(SshConstants.SSH2_DISCONNECT_BY_APPLICATION);
            buffer.putString("Cancel");
            buffer.putString("");
            WriteFuture f = cs.writePacket(buffer);
            f.await();
            cs.getIoSession().suspendRead();
            cs.getIoSession().suspendWrite();


            TestEchoShellFactory.TestEchoShell.latch.await();
        } finally {
            TestEchoShellFactory.TestEchoShell.latch = null;
        }

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    public void stop(boolean immediately) throws InterruptedException {
        acceptor.setCloseOnDeactivation(false);
        acceptor.unbind();
        List<AbstractSession> sessions = new ArrayList<AbstractSession>();
        for (IoSession ioSession : acceptor.getManagedSessions().values()) {
            AbstractSession session = AbstractSession.getSession(ioSession, true);
            if (session != null) {
                sessions.add(session);
            }
        }
        final CountDownLatch latch = new CountDownLatch(sessions.size());
        SshFutureListener<CloseFuture> listener = new SshFutureListener<CloseFuture>() {
            public void operationComplete(CloseFuture future) {
                latch.countDown();
            }
        };
        for (AbstractSession session : sessions) {
            session.close(immediately).addListener(listener);
        }
        if (!immediately) {
            latch.await();
        }
        acceptor.dispose();

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public abstract class AbstractSessionIoHandler implements IoHandler {


    protected abstract AbstractSession createSession(IoSession ioSession) throws Exception;


    public void sessionCreated(IoSession ioSession) throws Exception {
        AbstractSession session = createSession(ioSession);
        AbstractSession.attachSession(ioSession, session);
    }

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    public void sessionClosed(IoSession ioSession) throws Exception {
        AbstractSession.getSession(ioSession).close(true);
    }


    public void exceptionCaught(IoSession ioSession, Throwable cause) throws Exception {
        AbstractSession session = AbstractSession.getSession(ioSession, true);
        if (session != null) {
            session.exceptionCaught(cause);
        } else {
            throw new IllegalStateException("No session available", cause);
        }
    }

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            channel.setOut(out);
            channel.setErr(err);
            channel.open().await();


//            ((AbstractSession) session).disconnect(SshConstants.SSH2_DISCONNECT_BY_APPLICATION, "Cancel");
            AbstractSession cs = (AbstractSession) session;
            Buffer buffer = cs.createBuffer(SshConstants.SSH_MSG_DISCONNECT);
            buffer.putInt(SshConstants.SSH2_DISCONNECT_BY_APPLICATION);
            buffer.putString("Cancel");
            buffer.putString("");
            IoWriteFuture f = cs.writePacket(buffer);
            f.await();
            suspend(cs.getIoSession());


            TestEchoShellFactory.TestEchoShell.latch.await();
        } finally {
            TestEchoShellFactory.TestEchoShell.latch = null;
        }

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     * Obtain the list of active sessions.
     */
    public List<AbstractSession> getActiveSessions() {
        List<AbstractSession> sessions = new ArrayList<AbstractSession>();
        for (IoSession ioSession : acceptor.getManagedSessions().values()) {
            AbstractSession session = AbstractSession.getSession(ioSession, true);
            if (session != null) {
                sessions.add(session);
            }
        }
        return sessions;

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     * Obtain the list of active sessions.
     */
    public List<AbstractSession> getActiveSessions() {
        List<AbstractSession> sessions = new ArrayList<AbstractSession>();
        for (IoSession ioSession : acceptor.getManagedSessions().values()) {
            AbstractSession session = AbstractSession.getSession(ioSession, true);
            if (session != null) {
                sessions.add(session);
            }
        }
        return sessions;

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