SocketConfig.java

/**
 * This file is part of git-as-svn. It is subject to the license terms
 * in the LICENSE file found in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/gpl-2.0.html. No part of git-as-svn,
 * including this file, may be copied, modified, propagated, or distributed
 * except according to the terms contained in the LICENSE file.
 */
package svnserver.ext.socket.config;

import org.jetbrains.annotations.NotNull;
import org.newsclub.net.unix.AFUNIXServerSocket;
import org.newsclub.net.unix.AFUNIXSocketAddress;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import svnserver.config.ConfigHelper;
import svnserver.config.SharedConfig;
import svnserver.config.serializer.ConfigType;
import svnserver.context.SharedContext;

import java.io.File;
import java.io.IOException;

/**
 * Unix socket transport for API.
 *
 * @author Artem V. Navrotskiy <bozaro@users.noreply.github.com>
 */
@ConfigType("socket")
public class SocketConfig implements SharedConfig {
  @NotNull
  private static final Logger log = LoggerFactory.getLogger(SocketConfig.class);
  @NotNull
  private String path = "git-as-svn.socket";

  @Override
  public void create(@NotNull SharedContext context) throws IOException {
    if (!isSupported()) {
      log.error("Domain sockets is not supported on this platform. Socket configuration is ignored.");
      return;
    }
    final AFUNIXServerSocket socket = AFUNIXServerSocket.newInstance();
    final File socketFile = ConfigHelper.joinPath(context.getBasePath(), path);
    //noinspection ResultOfMethodCallIgnored
    socketFile.getParentFile().mkdirs();
    if (socketFile.exists()) {
      //noinspection ResultOfMethodCallIgnored
      socketFile.delete();
    }
    socket.bind(new AFUNIXSocketAddress(socketFile));
    context.add(SocketRpc.class, new SocketRpc(context, socket));
  }

  private static boolean isSupported() {
    try {
      return AFUNIXServerSocket.isSupported();
    } catch (LinkageError ignored) {
      return false;
    }
  }
}