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/*
* Copyright (C) 2008-2009, Google Inc. and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.pgm;
import java.io.File;
import java.net.InetSocketAddress;
import java.net.URISyntaxException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;
import org.eclipse.jgit.internal.ketch.KetchLeader;
import org.eclipse.jgit.internal.ketch.KetchLeaderCache;
import org.eclipse.jgit.internal.ketch.KetchPreReceive;
import org.eclipse.jgit.internal.ketch.KetchSystem;
import org.eclipse.jgit.internal.ketch.KetchText;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.pgm.internal.CLIText;
import org.eclipse.jgit.storage.file.FileBasedConfig;
import org.eclipse.jgit.storage.file.WindowCacheConfig;
import org.eclipse.jgit.storage.pack.PackConfig;
import org.eclipse.jgit.transport.DaemonClient;
import org.eclipse.jgit.transport.DaemonService;
import org.eclipse.jgit.transport.ReceivePack;
import org.eclipse.jgit.transport.resolver.FileResolver;
import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
import org.eclipse.jgit.util.FS;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
@Command(common = true, usage = "usage_exportRepositoriesOverGit")
class Daemon extends TextBuiltin {
@Option(name = "--config-file", metaVar = "metaVar_configFile", usage = "usage_configFile")
File configFile;
@Option(name = "--port", metaVar = "metaVar_port", usage = "usage_portNumberToListenOn")
int port = org.eclipse.jgit.transport.Daemon.DEFAULT_PORT;
@Option(name = "--listen", metaVar = "metaVar_hostName", usage = "usage_hostnameOrIpToListenOn")
String host;
@Option(name = "--timeout", metaVar = "metaVar_seconds", usage = "usage_abortConnectionIfNoActivity")
int timeout = -1;
@Option(name = "--enable", metaVar = "metaVar_service", usage = "usage_enableTheServiceInAllRepositories")
List<String> enable = new ArrayList<>();
@Option(name = "--disable", metaVar = "metaVar_service", usage = "usage_disableTheServiceInAllRepositories")
List<String> disable = new ArrayList<>();
@Option(name = "--allow-override", metaVar = "metaVar_service", usage = "usage_configureTheServiceInDaemonServicename")
List<String> canOverride = new ArrayList<>();
@Option(name = "--forbid-override", metaVar = "metaVar_service", usage = "usage_configureTheServiceInDaemonServicename")
List<String> forbidOverride = new ArrayList<>();
@Option(name = "--export-all", usage = "usage_exportWithoutGitDaemonExportOk")
boolean exportAll;
@Option(name = "--ketch", metaVar = "metaVar_ketchServerType", usage = "usage_ketchServerType")
KetchServerType ketchServerType;
enum KetchServerType {
LEADER;
}
@Argument(required = true, metaVar = "metaVar_directory", usage = "usage_directoriesToExport")
List<File> directory = new ArrayList<>();
/** {@inheritDoc} */
@Override
protected boolean requiresRepository() {
return false;
}
/** {@inheritDoc} */
@Override
protected void run() throws Exception {
PackConfig packConfig = new PackConfig();
if (configFile != null) {
if (!configFile.exists()) {
throw die(MessageFormat.format(
CLIText.get().configFileNotFound, //
configFile.getAbsolutePath()));
}
FileBasedConfig cfg = new FileBasedConfig(configFile, FS.DETECTED);
cfg.load();
new WindowCacheConfig().fromConfig(cfg).install();
packConfig.fromConfig(cfg);
}
int threads = packConfig.getThreads();
if (threads <= 0)
threads = Runtime.getRuntime().availableProcessors();
if (1 < threads)
packConfig.setExecutor(Executors.newFixedThreadPool(threads));
final FileResolver<DaemonClient> resolver = new FileResolver<>();
for (File f : directory) {
outw.println(MessageFormat.format(CLIText.get().exporting, f.getAbsolutePath()));
resolver.exportDirectory(f);
}
resolver.setExportAll(exportAll);
final org.eclipse.jgit.transport.Daemon d;
d = new org.eclipse.jgit.transport.Daemon(
host != null ? new InetSocketAddress(host, port)
: new InetSocketAddress(port));
d.setPackConfig(packConfig);
d.setRepositoryResolver(resolver);
if (0 <= timeout)
d.setTimeout(timeout);
for (String n : enable)
service(d, n).setEnabled(true);
for (String n : disable)
service(d, n).setEnabled(false);
for (String n : canOverride)
service(d, n).setOverridable(true);
for (String n : forbidOverride)
service(d, n).setOverridable(false);
if (ketchServerType == KetchServerType.LEADER) {
startKetchLeader(d);
}
d.start();
outw.println(MessageFormat.format(CLIText.get().listeningOn, d.getAddress()));
}
private static DaemonService service(
final org.eclipse.jgit.transport.Daemon d,
final String n) {
final DaemonService svc = d.getService(n);
if (svc == null)
throw die(MessageFormat.format(CLIText.get().serviceNotSupported, n));
return svc;
}
private void startKetchLeader(org.eclipse.jgit.transport.Daemon daemon) {
KetchSystem system = new KetchSystem();
final KetchLeaderCache leaders = new KetchLeaderCache(system);
final ReceivePackFactory<DaemonClient> factory;
factory = daemon.getReceivePackFactory();
daemon.setReceivePackFactory((DaemonClient req, Repository repo) -> {
ReceivePack rp = factory.create(req, repo);
KetchLeader leader;
try {
leader = leaders.get(repo);
} catch (URISyntaxException err) {
throw new ServiceNotEnabledException(
KetchText.get().invalidFollowerUri, err);
}
rp.setPreReceiveHook(new KetchPreReceive(leader));
return rp;
});
}
}
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