private ILaunch launchPeer(final BackendData data) {
final ILaunchConfiguration launchConfig = data.asLaunchConfiguration();
try {
final boolean registerForDebug =
data.getLaunch() != null || SystemConfiguration.getInstance().isDeveloper();
return launchConfig.launch(
ILaunchManager.RUN_MODE, new NullProgressMonitor(), false, registerForDebug);
} catch (final CoreException e) {
ErlLogger.error(e);
return null;
}
}
@Override
public boolean isValid(final ILaunchConfiguration config) {
setErrorMessage(null);
final String name = nameText.getText().trim();
if (!name.equals("") && !BackendData.validateNodeName(name)) {
setErrorMessage(String.format("Node name '%s' is invalid.", name));
return false;
}
String workingDir = workingDirText.getText();
File d = new File(workingDir);
if (d.isAbsolute()) {
if (!d.exists()) {
setErrorMessage(String.format("Working dir '%s' doesn't exist.", workingDir));
return false;
}
} else {
final String wspace =
ResourcesPlugin.getWorkspace().getRoot().getLocation().toPortableString();
workingDir = wspace + "/" + workingDir;
d = new File(workingDir);
if (!d.exists()) {
setErrorMessage(String.format("Working dir '%s' doesn't exist.", workingDir));
return false;
}
}
return true;
}
private BackendData getIdeBackendData() {
final RuntimeInfo info = getIdeRuntimeInfo();
final BackendData result = new BackendData(runtimeInfoManager, info);
result.setNodeName(getIdeNodeName());
result.setDebug(false);
result.setAutostart(true);
result.setConsole(false);
result.setLongName(HostnameUtils.canUseLongNames());
if (SystemConfiguration.getInstance().isDeveloper()) {
result.setConsole(true);
}
if (SystemConfiguration.getInstance().isMonitoringIdeBackend()) {
result.setMonitored(true);
}
result.setInternal(true);
return result;
}
private BackendData getBuildBackendData(final RuntimeInfo info) {
final RuntimeInfo myinfo = RuntimeInfo.copy(info, false);
final BackendData result = new BackendData(runtimeInfoManager, myinfo);
result.setNodeName(
info.getVersion().asMajor().toString() + "_" + BackendUtils.getErlideNodeNameTag());
result.setCookie("erlide");
result.setDebug(false);
result.setAutostart(true);
result.setConsole(false);
result.setLongName(HostnameUtils.canUseLongNames());
result.setInternal(true);
return result;
}
@Override
public IBackend createBackend(final BackendData data) {
ErlLogger.debug("Create backend " + data.getNodeName());
if (!data.isManaged() && !data.isAutostart()) {
ErlLogger.info("Not creating backend for %s", data.getNodeName());
return null;
}
final IBackend b;
final String erlangHostName = HostnameUtils.getErlangHostName(data.isLongName());
try {
String nodeName = data.getNodeName();
final boolean hasHost = nodeName.contains("@");
nodeName = hasHost ? nodeName : nodeName + "@" + erlangHostName;
ILaunch launch = data.getLaunch();
if (launch == null) {
launch = launchPeer(data);
}
final IProcess mainProcess =
launch.getProcesses().length == 0 ? null : launch.getProcesses()[0];
final IErlRuntime runtime =
new ErlRuntime(
nodeName, data.getCookie(), mainProcess, !data.isTransient(), data.isLongName());
b =
data.isInternal()
? new InternalBackend(data, runtime)
: new ExternalBackend(data, runtime);
b.initialize();
return b;
} catch (final BackendException e) {
e.printStackTrace();
}
return null;
}