private boolean hasJvmArgs(DaemonParameters requiredBuildParameters) { return requiredBuildParameters.isUsingDefaultJvmArgs() || (effectiveJvmOptions .getManagedJvmArgs() .equals(requiredBuildParameters.getEffectiveJvmArgs())); }
public DaemonStartupInfo startDaemon() { String daemonUid = UUID.randomUUID().toString(); GradleInstallation gradleInstallation = CurrentGradleInstallation.get(); ModuleRegistry registry = new DefaultModuleRegistry(gradleInstallation); ClassPath classpath; List<File> searchClassPath; if (gradleInstallation == null) { // When not running from a Gradle distro, need runtime impl for launcher plus the search path // to look for other modules classpath = new DefaultClassPath(); for (Module module : registry.getModule("gradle-launcher").getAllRequiredModules()) { classpath = classpath.plus(module.getClasspath()); } searchClassPath = registry.getAdditionalClassPath().getAsFiles(); } else { // When running from a Gradle distro, only need launcher jar. The daemon can find everything // from there. classpath = registry.getModule("gradle-launcher").getImplementationClasspath(); searchClassPath = Collections.emptyList(); } if (classpath.isEmpty()) { throw new IllegalStateException( "Unable to construct a bootstrap classpath when starting the daemon"); } versionValidator.validate(daemonParameters); List<String> daemonArgs = new ArrayList<String>(); daemonArgs.add(daemonParameters.getEffectiveJvm().getJavaExecutable().getAbsolutePath()); List<String> daemonOpts = daemonParameters.getEffectiveJvmArgs(); daemonArgs.addAll(daemonOpts); daemonArgs.add("-cp"); daemonArgs.add(CollectionUtils.join(File.pathSeparator, classpath.getAsFiles())); if (Boolean.getBoolean("org.gradle.daemon.debug")) { daemonArgs.add("-Xdebug"); daemonArgs.add("-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=5005"); } LOGGER.debug("Using daemon args: {}", daemonArgs); daemonArgs.add(GradleDaemon.class.getName()); // Version isn't used, except by a human looking at the output of jps. daemonArgs.add(GradleVersion.current().getVersion()); // Serialize configuration to daemon via the process' stdin ByteArrayOutputStream serializedConfig = new ByteArrayOutputStream(); FlushableEncoder encoder = new KryoBackedEncoder(new EncodedStream.EncodedOutput(serializedConfig)); try { encoder.writeString(daemonParameters.getGradleUserHomeDir().getAbsolutePath()); encoder.writeString(daemonDir.getBaseDir().getAbsolutePath()); encoder.writeSmallInt(daemonParameters.getIdleTimeout()); encoder.writeString(daemonUid); encoder.writeSmallInt(daemonOpts.size()); for (String daemonOpt : daemonOpts) { encoder.writeString(daemonOpt); } encoder.writeSmallInt(searchClassPath.size()); for (File file : searchClassPath) { encoder.writeString(file.getAbsolutePath()); } encoder.flush(); } catch (IOException e) { throw new UncheckedIOException(e); } ByteArrayInputStream stdInput = new ByteArrayInputStream(serializedConfig.toByteArray()); DaemonStartupInfo daemonInfo = startProcess(daemonArgs, daemonDir.getVersionedDir(), stdInput); listener.daemonStarted(daemonInfo); return daemonInfo; }