1 /*
2 * Copyright (C) 2015, 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.IOException;
47 import java.io.PipedInputStream;
48 import java.io.PipedOutputStream;
49 import java.io.UncheckedIOException;
50
51 import org.eclipse.jgit.errors.TransportException;
52 import org.eclipse.jgit.internal.JGitText;
53 import org.eclipse.jgit.lib.Repository;
54 import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
55 import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
56 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
57
58 class InternalPushConnection<C> extends BasePackPushConnection {
59 private Thread worker;
60
61 /**
62 * Constructor for InternalPushConnection.
63 *
64 * @param transport
65 * a {@link org.eclipse.jgit.transport.PackTransport}
66 * @param receivePackFactory
67 * a
68 * {@link org.eclipse.jgit.transport.resolver.ReceivePackFactory}
69 * @param req
70 * a request
71 * @param remote
72 * the {@link org.eclipse.jgit.lib.Repository}
73 * @throws org.eclipse.jgit.errors.TransportException
74 * if any.
75 */
76 public InternalPushConnection(PackTransport transport,
77 final ReceivePackFactory<C> receivePackFactory,
78 final C req, final Repository remote) throws TransportException {
79 super(transport);
80
81 final PipedInputStream in_r;
82 final PipedOutputStream in_w;
83
84 final PipedInputStream out_r;
85 final PipedOutputStream out_w;
86 try {
87 in_r = new PipedInputStream();
88 in_w = new PipedOutputStream(in_r);
89
90 out_r = new PipedInputStream();
91 out_w = new PipedOutputStream(out_r);
92 } catch (IOException err) {
93 remote.close();
94 throw new TransportException(uri, JGitText.get().cannotConnectPipes, err);
95 }
96
97 worker = new Thread("JGit-Receive-Pack") { //$NON-NLS-1$
98 @Override
99 public void run() {
100 try {
101 final ReceivePack rp = receivePackFactory.create(req, remote);
102 rp.receive(out_r, in_w, System.err);
103 } catch (ServiceNotEnabledException
104 | ServiceNotAuthorizedException e) {
105 // Ignored. Client cannot use this repository.
106 } catch (IOException e) {
107 // Since the InternalPushConnection is used in tests, we
108 // want to avoid hiding exceptions because they can point to
109 // programming errors on the server side. By rethrowing, the
110 // default handler will dump it to stderr.
111 throw new UncheckedIOException(e);
112 } finally {
113 try {
114 out_r.close();
115 } catch (IOException e2) {
116 // Ignore close failure, we probably crashed above.
117 }
118
119 try {
120 in_w.close();
121 } catch (IOException e2) {
122 // Ignore close failure, we probably crashed above.
123 }
124
125 remote.close();
126 }
127 }
128 };
129 worker.start();
130
131 init(in_r, out_w);
132 readAdvertisedRefs();
133 }
134
135 /** {@inheritDoc} */
136 @Override
137 public void close() {
138 super.close();
139
140 if (worker != null) {
141 try {
142 worker.join();
143 } catch (InterruptedException ie) {
144 // Stop waiting and return anyway.
145 } finally {
146 worker = null;
147 }
148 }
149 }
150 }