Examples with ModuleRegistry org.gradle.api.internal.classpath.ModuleRegistry used on opensource projects

Example 1 with ModuleRegistry

use of org.gradle.api.internal.classpath.ModuleRegistry in project gradle by gradle.

the class DefaultDaemonStarter method startDaemon.

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("-agentlib:jdwp=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
    StreamByteBuffer buffer = new StreamByteBuffer();
    FlushableEncoder encoder = new KryoBackedEncoder(new EncodedStream.EncodedOutput(buffer.getOutputStream()));
    try {
        encoder.writeString(daemonParameters.getGradleUserHomeDir().getAbsolutePath());
        encoder.writeString(daemonDir.getBaseDir().getAbsolutePath());
        encoder.writeSmallInt(daemonParameters.getIdleTimeout());
        encoder.writeSmallInt(daemonParameters.getPeriodicCheckInterval());
        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);
    }
    InputStream stdInput = buffer.getInputStream();
    return startProcess(daemonArgs, daemonDir.getVersionedDir(), stdInput);
}