@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 = BackendUtils.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;
}
public static OtpErlangPid start(final IBackend backend) {
try {
final OtpErlangObject r = backend.call("erlide_shell", "start", "p", backend.getEventPid());
final OtpErlangPid server = (OtpErlangPid) BackendUtils.ok(r);
return server;
} catch (final RpcException e) {
return null;
}
}
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;
}
private String getIdeNodeName() {
final String dflt = BackendUtils.getErlideNodeNameTag() + "_erlide";
return getLabelProperty(dflt);
}