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

Example 1 with Request

use of com.cloud.agent.transport.Request in project CloudStack-archive by CloudStack-extras.

the class Agent method sendRequest.

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

Example 2 with Request

use of com.cloud.agent.transport.Request in project CloudStack-archive by CloudStack-extras.

the class Agent method postRequest.

@Override
public void postRequest(AgentControlCommand cmd) throws AgentControlChannelException {
    Request request = new Request(this.getId(), -1, new Command[] { cmd }, true, false);
    request.setSequence(getNextSequence());
    postRequest(request);
}

Example 3 with Request

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

the class ResourceManagerImpl method createHostAndAgent.

private Host createHostAndAgent(final ServerResource resource, final Map<String, String> details, final boolean old, final List<String> hostTags, final boolean forRebalance) {
    HostVO host = null;
    StartupCommand[] cmds = null;
    boolean hostExists = false;
    boolean created = false;
    try {
        cmds = resource.initialize();
        if (cmds == null) {
            s_logger.info("Unable to fully initialize the agent because no StartupCommands are returned");
            return null;
        }
        /* Generate a random version in a dev setup situation */
        if (this.getClass().getPackage().getImplementationVersion() == null) {
            for (final StartupCommand cmd : cmds) {
                if (cmd.getVersion() == null) {
                    cmd.setVersion(Long.toString(System.currentTimeMillis()));
                }
            }
        }
        if (s_logger.isDebugEnabled()) {
            new Request(-1l, -1l, cmds, true, false).logD("Startup request from directly connected host: ", true);
        }
        if (old) {
            final StartupCommand firstCmd = cmds[0];
            host = findHostByGuid(firstCmd.getGuid());
            if (host == null) {
                host = findHostByGuid(firstCmd.getGuidWithoutResource());
            }
            if (host != null && host.getRemoved() == null) {
                // host already added, no need to add again
                s_logger.debug("Found the host " + host.getId() + " by guid: " + firstCmd.getGuid() + ", old host reconnected as new");
                // ensures that host status is left unchanged in case of adding same one again
                hostExists = true;
                return null;
            }
        }
        // find out if the host we want to connect to is new (so we can send an event)
        boolean newHost = getNewHost(cmds) == null;
        host = createHostVO(cmds, resource, details, hostTags, ResourceStateAdapter.Event.CREATE_HOST_VO_FOR_DIRECT_CONNECT);
        if (host != null) {
            created = _agentMgr.handleDirectConnectAgent(host, cmds, resource, forRebalance, newHost);
            /* reload myself from database */
            host = _hostDao.findById(host.getId());
        }
    } catch (final Exception e) {
        s_logger.warn("Unable to connect due to ", e);
    } finally {
        if (hostExists) {
            if (cmds != null) {
                resource.disconnected();
            }
        } else {
            if (!created) {
                if (cmds != null) {
                    resource.disconnected();
                }
                markHostAsDisconnected(host, cmds);
            }
        }
    }
    return host;
}

Example 4 with Request

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

the class Agent method stop.

public void stop(final String reason, final String detail) {
    s_logger.info("Stopping the agent: Reason = " + reason + (detail != null ? ": Detail = " + detail : ""));
    if (_connection != null) {
        final ShutdownCommand cmd = new ShutdownCommand(reason, detail);
        try {
            if (_link != null) {
                final Request req = new Request(_id != null ? _id : -1, -1, cmd, false);
                _link.send(req.toBytes());
            }
        } catch (final ClosedChannelException e) {
            s_logger.warn("Unable to send: " + cmd.toString());
        } catch (final Exception e) {
            s_logger.warn("Unable to send: " + cmd.toString() + " due to exception: ", e);
        }
        s_logger.debug("Sending shutdown to management server");
        try {
            Thread.sleep(1000);
        } catch (final InterruptedException e) {
            s_logger.debug("Who the heck interrupted me here?");
        }
        _connection.stop();
        _connection = null;
    }
    if (_resource != null) {
        _resource.stop();
        _resource = null;
    }
    _ugentTaskPool.shutdownNow();
}

Example 5 with Request

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

the class AgentManagerImpl method handleConnectedAgent.

private AgentAttache handleConnectedAgent(final Link link, final StartupCommand[] startup, final Request request) {
    AgentAttache attache = null;
    ReadyCommand ready = null;
    try {
        final HostVO host = _resourceMgr.createHostVOForConnectedAgent(startup);
        if (host != null) {
            ready = new ReadyCommand(host.getDataCenterId(), host.getId());
            attache = createAttacheForConnect(host, link);
            attache = notifyMonitorsOfConnection(attache, startup, false);
        }
    } catch (final Exception e) {
        s_logger.debug("Failed to handle host connection: " + e.toString());
        ready = new ReadyCommand(null);
        ready.setDetails(e.toString());
    } finally {
        if (ready == null) {
            ready = new ReadyCommand(null);
        }
    }
    try {
        if (attache == null) {
            final Request readyRequest = new Request(-1, -1, ready, false);
            link.send(readyRequest.getBytes());
        } else {
            easySend(attache.getId(), ready);
        }
    } catch (final Exception e) {
        s_logger.debug("Failed to send ready command:" + e.toString());
    }
    return attache;
}