Examples with Request com.cloud.agent.transport.Request used on opensource projects

Example 11 with Request

use of com.cloud.agent.transport.Request in project cloudstack by apache.

the class Agent method processOtherTask.

public void processOtherTask(final Task task) {
    final Object obj = task.get();
    if (obj instanceof Response) {
        if (System.currentTimeMillis() - _lastPingResponseTime > _pingInterval * _shell.getPingRetries()) {
            s_logger.error("Ping Interval has gone past " + _pingInterval * _shell.getPingRetries() + ". Won't reconnect to mgt server, as connection is still alive");
            return;
        }
        final PingCommand ping = _resource.getCurrentStatus(getId());
        final Request request = new Request(_id, -1, ping, false);
        request.setSequence(getNextSequence());
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Sending ping: " + request.toString());
        }
        try {
            task.getLink().send(request.toBytes());
            //if i can send pingcommand out, means the link is ok
            setLastPingResponseTime();
        } catch (final ClosedChannelException e) {
            s_logger.warn("Unable to send request: " + request.toString());
        }
    } else if (obj instanceof Request) {
        final Request req = (Request) obj;
        final Command command = req.getCommand();
        if (command.getContextParam("logid") != null) {
            MDC.put("logcontextid", command.getContextParam("logid"));
        }
        Answer answer = null;
        _inProgress.incrementAndGet();
        try {
            answer = _resource.executeRequest(command);
        } finally {
            _inProgress.decrementAndGet();
        }
        if (answer != null) {
            final Response response = new Response(req, answer);
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Watch Sent: " + response.toString());
            }
            try {
                task.getLink().send(response.toBytes());
            } catch (final ClosedChannelException e) {
                s_logger.warn("Unable to send response: " + response.toString());
            }
        }
    } else {
        s_logger.warn("Ignoring an unknown task");
    }
}

Example 12 with Request

use of com.cloud.agent.transport.Request in project cloudstack by apache.

the class Agent method sendStartup.

public void sendStartup(final Link link) {
    final StartupCommand[] startup = _resource.initialize();
    if (startup != null) {
        final Command[] commands = new Command[startup.length];
        for (int i = 0; i < startup.length; i++) {
            setupStartupCommand(startup[i]);
            commands[i] = startup[i];
        }
        final Request request = new Request(_id != null ? _id : -1, -1, commands, false, false);
        request.setSequence(getNextSequence());
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Sending Startup: " + request.toString());
        }
        lockStartupTask(link);
        try {
            link.send(request.toBytes());
        } catch (final ClosedChannelException e) {
            s_logger.warn("Unable to send reques: " + request.toString());
        }
    }
}

Example 13 with Request

use of com.cloud.agent.transport.Request in project cloudstack by apache.

the class Agent method sendRequest.

@Override
public AgentControlAnswer sendRequest(final AgentControlCommand cmd, final int timeoutInMilliseconds) throws AgentControlChannelException {
    final Request request = new Request(getId(), -1, new Command[] { cmd }, true, false);
    request.setSequence(getNextSequence());
    final AgentControlListener listener = new AgentControlListener(request);
    registerControlListener(listener);
    try {
        postRequest(request);
        synchronized (listener) {
            try {
                listener.wait(timeoutInMilliseconds);
            } catch (final InterruptedException e) {
                s_logger.warn("sendRequest is interrupted, exit waiting");
            }
        }
        return listener.getAnswer();
    } finally {
        unregisterControlListener(listener);
    }
}

Example 14 with Request

use of com.cloud.agent.transport.Request in project cloudstack by apache.

the class AgentAttache method sendNext.

protected synchronized void sendNext(final long seq) {
    _currentSequence = null;
    if (_requests.isEmpty()) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug(log(seq, "No more commands found"));
        }
        return;
    }
    Request req = _requests.pop();
    if (s_logger.isDebugEnabled()) {
        s_logger.debug(log(req.getSequence(), "Sending now.  is current sequence."));
    }
    try {
        send(req);
    } catch (AgentUnavailableException e) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug(log(req.getSequence(), "Unable to send the next sequence"));
        }
        cancel(req.getSequence());
    }
    _currentSequence = req.getSequence();
}

Example 15 with Request

use of com.cloud.agent.transport.Request in project cloudstack by apache.

the class AgentManagerImpl method send.

@Override
public long send(final Long hostId, final Commands commands, final Listener listener) throws AgentUnavailableException {
    final AgentAttache agent = getAttache(hostId);
    if (agent.isClosed()) {
        throw new AgentUnavailableException("Agent " + agent.getId() + " is closed", agent.getId());
    }
    final Command[] cmds = checkForCommandsAndTag(commands);
    final Request req = new Request(hostId, agent.getName(), _nodeId, cmds, commands.stopOnError(), true);
    req.setSequence(agent.getNextSequence());
    agent.send(req, listener);
    return req.getSequence();
}