1 /*
2 * Copyright (C) 2008-2009, Google Inc.
3 * and other copyright owners as documented in the project's IP log.
4 *
5 * This program and the accompanying materials are made available
6 * under the terms of the Eclipse Distribution License v1.0 which
7 * accompanies this distribution, is reproduced below, and is
8 * available at http://www.eclipse.org/org/documents/edl-v10.php
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials provided
22 * with the distribution.
23 *
24 * - Neither the name of the Eclipse Foundation, Inc. nor the
25 * names of its contributors may be used to endorse or promote
26 * products derived from this software without specific prior
27 * written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 package org.eclipse.jgit.transport;
45
46 import java.io.BufferedInputStream;
47 import java.io.IOException;
48 import java.io.InputStream;
49 import java.io.OutputStream;
50 import java.net.InetAddress;
51 import java.net.Socket;
52
53 import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
54 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
55 import org.eclipse.jgit.util.io.SafeBufferedOutputStream;
56
57 /** Active network client of {@link Daemon}. */
58 public class DaemonClient {
59 private final Daemon daemon;
60
61 private InetAddress peer;
62
63 private InputStream rawIn;
64
65 private OutputStream rawOut;
66
67 DaemonClient(final Daemon d) {
68 daemon = d;
69 }
70
71 void setRemoteAddress(final InetAddress ia) {
72 peer = ia;
73 }
74
75 /** @return the daemon which spawned this client. */
76 public Daemon getDaemon() {
77 return daemon;
78 }
79
80 /** @return Internet address of the remote client. */
81 public InetAddress getRemoteAddress() {
82 return peer;
83 }
84
85 /** @return input stream to read from the connected client. */
86 public InputStream getInputStream() {
87 return rawIn;
88 }
89
90 /** @return output stream to send data to the connected client. */
91 public OutputStream getOutputStream() {
92 return rawOut;
93 }
94
95 void execute(final Socket sock) throws IOException,
96 ServiceNotEnabledException, ServiceNotAuthorizedException {
97 rawIn = new BufferedInputStream(sock.getInputStream());
98 rawOut = new SafeBufferedOutputStream(sock.getOutputStream());
99
100 if (0 < daemon.getTimeout())
101 sock.setSoTimeout(daemon.getTimeout() * 1000);
102 String cmd = new PacketLineIn(rawIn).readStringRaw();
103 final int nul = cmd.indexOf('\0');
104 if (nul >= 0) {
105 // Newer clients hide a "host" header behind this byte.
106 // Currently we don't use it for anything, so we ignore
107 // this portion of the command.
108 //
109 cmd = cmd.substring(0, nul);
110 }
111
112 final DaemonService srv = getDaemon().matchService(cmd);
113 if (srv == null)
114 return;
115 sock.setSoTimeout(0);
116 srv.execute(this, cmd);
117 }
118 }