Examples with YamcsConnectionProperties org.yamcs.api.YamcsConnectionProperties used on opensource projects

Example 1 with YamcsConnectionProperties

use of org.yamcs.api.YamcsConnectionProperties in project yamcs-studio by yamcs.

the class YamcsClient method doConnect.

private FutureTask<YamcsConnectionProperties> doConnect() {
    if (connected) {
        disconnect();
    }
    restClient = new RestClient(yprops);
    restClient.setAutoclose(false);
    wsclient = new WebSocketClient(yprops, this);
    wsclient.setUserAgent(application);
    wsclient.enableReconnection(true);
    // Provides compatiblity with old Yamcs instances
    wsclient.enableLegacyURLFallback(true);
    wsclient.setMaxFramePayloadLength(MAX_FRAME_PAYLOAD_LENGTH);
    FutureTask<YamcsConnectionProperties> future = new FutureTask<>(new Runnable() {

        @Override
        public void run() {
            log.info("Connecting to " + yprops);
            int maxAttempts = 10;
            try {
                if (reconnecting && !retry) {
                    log.warning("Retries are disabled, cancelling reconnection");
                    reconnecting = false;
                    return;
                }
                connecting = true;
                connecting();
                for (int i = 0; i < maxAttempts; i++) {
                    try {
                        log.fine(String.format("Connecting to %s attempt %d", yprops, i));
                        instances = restClient.blockingGetYamcsInstances();
                        if (instances == null || instances.isEmpty()) {
                            log.warning("No configured yamcs instance");
                            return;
                        }
                        String defaultInstanceName = instances.get(0).getName();
                        String instanceName = defaultInstanceName;
                        if (yprops.getInstance() != null) {
                            // check if the instance saved in properties exists,
                            // otherwise use the default one
                            instanceName = instances.stream().map(yi -> yi.getName()).filter(s -> s.equals(yprops.getInstance())).findFirst().orElse(defaultInstanceName);
                        }
                        yprops.setInstance(instanceName);
                        ChannelFuture future = wsclient.connect();
                        future.get(5000, TimeUnit.MILLISECONDS);
                        return;
                    } catch (Exception e) {
                        // For anything other than a security exception, re-try
                        if (log.isLoggable(Level.FINEST)) {
                            log.log(Level.FINEST, String.format("Connection to %s failed (attempt %d of %d)", yprops, i + 1, maxAttempts), e);
                        } else {
                            log.warning(String.format("Connection to %s failed (attempt %d of %d)", yprops, i + 1, maxAttempts));
                        }
                        Thread.sleep(5000);
                    }
                }
                connecting = false;
                for (ConnectionListener cl : connectionListeners) {
                    cl.connectionFailed(null, new YamcsException(maxAttempts + " connection attempts failed, giving up."));
                }
                log.warning(maxAttempts + " connection attempts failed, giving up.");
            } catch (InterruptedException e) {
                log.info("Connection cancelled by user");
                connecting = false;
                for (ConnectionListener cl : connectionListeners) {
                    cl.connectionFailed(null, new YamcsException("Thread interrupted", e));
                }
            }
        }
    }, yprops);
    executor.submit(future);
    // Add Progress indicator in status bar
    String jobName = "Connecting to " + yprops;
    scheduleAsJob(jobName, future, Job.SHORT);
    return future;
}

Example 2 with YamcsConnectionProperties

use of org.yamcs.api.YamcsConnectionProperties in project yamcs-studio by yamcs.

the class YamcsAuthorizations method isAuthorizationEnabled.

public boolean isAuthorizationEnabled() {
    YamcsClient yamcsClient = YamcsPlugin.getYamcsClient();
    // TODO we should probably control this from the server, rather than here. Just because
    // the creds are null, does not really mean anything. We could also send creds to an
    // unsecured yamcs server. It would just ignore it, and then our client state would
    // be wrong
    YamcsConnectionProperties yprops = yamcsClient.getYamcsConnectionProperties();
    return (yprops == null) ? false : yprops.getAuthenticationToken() != null;
}

Example 3 with YamcsConnectionProperties

use of org.yamcs.api.YamcsConnectionProperties in project yamcs-studio by yamcs.

the class AutoConnectHandler method doConnect.

private void doConnect(Shell shell, YamcsConfiguration conf, boolean noPasswordPopup) {
    // FIXME get the password out before doing this
    ConnectionPreferences.setLastUsedConfiguration(conf);
    // Check if authentication is needed
    YamcsConnectionProperties yprops = conf.getPrimaryConnectionProperties();
    if (conf.isAnonymous()) {
        log.fine("Will connect anonymously to " + yprops);
        YamcsPlugin.getYamcsClient().connect(yprops);
    } else if (conf.isSavePassword() || noPasswordPopup) {
        log.fine("Will connect as user '" + conf.getUser() + "' to " + yprops);
        YamcsPlugin.getYamcsClient().connect(yprops);
    } else {
        log.fine("Want to connect to '" + yprops + "' but credentials are needed (not saved and not in dialog). Show password dialog");
        LoginDialog dialog = new LoginDialog(shell, conf);
        if (dialog.open() == Dialog.OK) {
            conf.setUser(dialog.getUser());
            conf.setPassword(dialog.getPassword());
            ConnectionUIHelper.connectWithProgressDialog(shell, yprops);
        }
    }
}

Example 4 with YamcsConnectionProperties

use of org.yamcs.api.YamcsConnectionProperties in project yamcs-studio by yamcs.

the class YamcsConfiguration method getFailoverConnectionProperties.

public YamcsConnectionProperties getFailoverConnectionProperties() {
    if (failoverHost != null) {
        YamcsConnectionProperties yprops = new YamcsConnectionProperties(failoverHost, failoverPort, instance);
        yprops.setProtocol(Protocol.http);
        if (!isAnonymous()) {
            yprops.setAuthenticationToken(new UsernamePasswordToken(user, password));
        }
        return yprops;
    } else {
        return null;
    }
}

Example 5 with YamcsConnectionProperties

use of org.yamcs.api.YamcsConnectionProperties in project yamcs-studio by yamcs.

the class ConnectionStringStatusLineContributionItem method onYamcsConnected.

@Override
public void onYamcsConnected() {
    YamcsConnectionProperties yprops = YamcsPlugin.getYamcsClient().getYamcsConnectionProperties();
    Display.getDefault().asyncExec(() -> {
        setErrorText(null, null);
        setImage(null);
        setText(getConnectionString(yprops));
    });
}