private DefaultPlatformManager(VertxInternal vertx) {
this.platformClassLoader = Thread.currentThread().getContextClassLoader();
this.vertx = vertx;
String modDir = System.getProperty(MODS_DIR_PROP_NAME);
if (modDir != null && !modDir.trim().equals("")) {
modRoot = new File(modDir);
} else {
// Default to local module directory
modRoot = new File(LOCAL_MODS_DIR);
}
String vertxHome = System.getProperty(VERTX_HOME_SYS_PROP);
if (vertxHome == null || modDir != null) {
systemModRoot = modRoot;
} else {
systemModRoot = new File(vertxHome, SYS_MODS_DIR);
}
this.redeployer = new Redeployer(vertx, modRoot, this);
loadLanguageMappings();
loadRepos();
}
private void checkWorkerContext() {
Thread t = Thread.currentThread();
if (!t.getName().startsWith("vert.x-worker-thread")) {
throw new IllegalStateException("Not a worker thread");
}
}
private void doDeploy(
final String depName,
boolean autoRedeploy,
boolean worker,
boolean multiThreaded,
String theMain,
final ModuleIdentifier modID,
final JsonObject config,
final URL[] urls,
int instances,
final File modDir,
final ModuleReference mr,
final Handler<String> doneHandler) {
checkWorkerContext();
final String deploymentName = depName != null ? depName : genDepName();
log.debug(
"Deploying name : " + deploymentName + " main: " + theMain + " instances: " + instances);
// How we determine which language implementation to use:
// 1. Look for a prefix on the main, e.g. 'groovy:org.foo.myproject.MyGroovyMain' would force
// the groovy
// language impl to be used
// 2. If there is no prefix, then look at the extension, if any. If there is an extension
// mapping for that
// extension, use that.
// 3. No prefix and no extension mapping - use the default runtime
LanguageImplInfo langImplInfo = null;
final String main;
// Look for a prefix
int prefixMarker = theMain.indexOf(COLON);
if (prefixMarker != -1) {
String prefix = theMain.substring(0, prefixMarker);
langImplInfo = languageImpls.get(prefix);
if (langImplInfo == null) {
throw new IllegalStateException("No language implementation known for prefix " + prefix);
}
main = theMain.substring(prefixMarker + 1);
} else {
main = theMain;
}
if (langImplInfo == null) {
// No prefix - now look at the extension
int extensionMarker = main.lastIndexOf('.');
if (extensionMarker != -1) {
String extension = main.substring(extensionMarker + 1);
String langImplName = extensionMappings.get(extension);
if (langImplName != null) {
langImplInfo = languageImpls.get(langImplName);
if (langImplInfo == null) {
throw new IllegalStateException(
"Extension mapping for "
+ extension
+ " specified as "
+ langImplName
+ ", but no language implementation known for that name");
}
}
}
}
if (langImplInfo == null) {
// Use the default
langImplInfo = languageImpls.get(defaultLanguageImplName);
if (langImplInfo == null) {
throw new IllegalStateException(
"Default language implementation is "
+ defaultLanguageImplName
+ " but no language implementation known for that name");
}
}
// Include the language impl module as a parent of the classloader
if (langImplInfo.moduleName != null) {
if (!loadIncludedModules(modDir, mr, langImplInfo.moduleName)) {
log.error("Failed to load module: " + langImplInfo.moduleName);
doneHandler.handle(null);
return;
}
}
final VerticleFactory verticleFactory;
final Container container = new DefaultContainer(this);
try {
// TODO not one verticle factory per module ref, but one per language per module ref
verticleFactory = mr.getVerticleFactory(langImplInfo.factoryName, vertx, container);
} catch (Exception e) {
log.error("Failed to instantiate verticle factory", e);
doneHandler.handle(null);
return;
}
final int instCount = instances;
class AggHandler {
AtomicInteger count = new AtomicInteger(0);
boolean failed;
void done(boolean res) {
if (!res) {
failed = true;
}
if (count.incrementAndGet() == instCount) {
String deploymentID = failed ? null : deploymentName;
callDoneHandler(doneHandler, deploymentID);
}
}
}
final AggHandler aggHandler = new AggHandler();
String parentDeploymentName = getDeploymentName();
final Deployment deployment =
new Deployment(
deploymentName,
main,
modID,
instances,
config == null ? new JsonObject() : config.copy(),
urls,
modDir,
parentDeploymentName,
mr,
autoRedeploy);
mr.incRef();
deployments.put(deploymentName, deployment);
if (parentDeploymentName != null) {
Deployment parentDeployment = deployments.get(parentDeploymentName);
parentDeployment.childDeployments.add(deploymentName);
}
ClassLoader oldTCCL = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(mr.mcl);
try {
for (int i = 0; i < instances; i++) {
// Launch the verticle instance
Runnable runner =
new Runnable() {
public void run() {
Verticle verticle = null;
boolean error = true;
try {
verticle = verticleFactory.createVerticle(main);
error = false;
} catch (ClassNotFoundException e) {
log.error(
"Cannot find verticle "
+ main
+ " in "
+ verticleFactory.getClass().getName(),
e);
} catch (Throwable t) {
log.error(
"Failed to create verticle "
+ main
+ " in "
+ verticleFactory.getClass().getName(),
t);
}
if (error) {
doUndeploy(
deploymentName,
new SimpleHandler() {
public void handle() {
aggHandler.done(false);
}
});
return;
}
verticle.setContainer(container);
verticle.setVertx(vertx);
try {
addVerticle(deployment, verticle, verticleFactory);
if (modDir != null) {
setPathAdjustment(modDir);
}
VoidResult vr = new VoidResult();
verticle.start(vr);
vr.setHandler(
new AsyncResultHandler<Void>() {
@Override
public void handle(AsyncResult<Void> ar) {
if (ar.succeeded()) {
aggHandler.done(true);
} else {
log.error(
"Failed to deploy verticle "
+ main
+ " in "
+ verticleFactory.getClass().getName(),
ar.exception);
aggHandler.done(false);
}
}
});
} catch (Throwable t) {
t.printStackTrace();
vertx.reportException(t);
doUndeploy(
deploymentName,
new SimpleHandler() {
public void handle() {
aggHandler.done(false);
}
});
}
}
};
if (worker) {
vertx.startInBackground(runner, multiThreaded);
} else {
vertx.startOnEventLoop(runner);
}
}
} finally {
Thread.currentThread().setContextClassLoader(oldTCCL);
}
}