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annotate src/org/tmatesoft/hg/internal/remote/SshConnector.java @ 697:24f4efedc9d5

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Respect the fact ssh and http protocols use different compression approach to sent changegroup data
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 06 Aug 2013 13:34:34 +0200
parents 5b5d199e2eb3
children 822f3a83ff57
rev   line source
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1 /*
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2 * Copyright (c) 2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal.remote;
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18
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19 import java.io.BufferedReader;
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20 import java.io.ByteArrayInputStream;
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21 import java.io.Closeable;
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22 import java.io.EOFException;
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23 import java.io.File;
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24 import java.io.FilterInputStream;
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25 import java.io.FilterOutputStream;
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26 import java.io.IOException;
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27 import java.io.InputStream;
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28 import java.io.InputStreamReader;
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29 import java.io.OutputStream;
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30 import java.io.SequenceInputStream;
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31 import java.net.URL;
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32 import java.util.ArrayList;
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33 import java.util.Collection;
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34 import java.util.Collections;
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35 import java.util.List;
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36
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37 import org.tmatesoft.hg.core.HgRemoteConnectionException;
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38 import org.tmatesoft.hg.core.Nodeid;
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39 import org.tmatesoft.hg.core.SessionContext;
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40 import org.tmatesoft.hg.repo.HgRemoteRepository.Range;
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41 import org.tmatesoft.hg.repo.HgRuntimeException;
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42 import org.tmatesoft.hg.util.LogFacility.Severity;
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43
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44 import com.trilead.ssh2.Connection;
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45 import com.trilead.ssh2.ConnectionInfo;
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46 import com.trilead.ssh2.Session;
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47 import com.trilead.ssh2.StreamGobbler;
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48
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49 /**
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50 * Remote repository via SSH
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51 *
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52 * @author Artem Tikhomirov
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53 * @author TMate Software Ltd.
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54 */
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55 public class SshConnector implements Connector {
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56 private SessionContext sessionCtx;
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57 private URL url;
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58 private Connection conn;
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59 private Session session;
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60 private int sessionUse;
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61
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62 private StreamGobbler remoteErr, remoteOut;
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63 private OutputStream remoteIn;
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64
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65 public void init(URL url, SessionContext sessionContext, Object globalConfig) throws HgRuntimeException {
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66 sessionCtx = sessionContext;
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67 this.url = url;
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68 }
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69
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70 public void connect() throws HgRemoteConnectionException, HgRuntimeException {
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71 try {
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72 conn = new Connection(url.getHost(), url.getPort() == -1 ? 22 : url.getPort());
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73 conn.connect();
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74 } catch (IOException ex) {
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75 throw new HgRemoteConnectionException("Failed to establish connection");
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76 }
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77 try {
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78 conn.authenticateWithPublicKey(System.getProperty("user.name"), new File(System.getProperty("user.home"), ".ssh/id_rsa"), null);
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79 ConnectionInfo ci = conn.getConnectionInfo();
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80 System.out.printf("%s %s %s %d %s %s %s\n", ci.clientToServerCryptoAlgorithm, ci.clientToServerMACAlgorithm, ci.keyExchangeAlgorithm, ci.keyExchangeCounter, ci.serverHostKeyAlgorithm, ci.serverToClientCryptoAlgorithm, ci.serverToClientMACAlgorithm);
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81 } catch (IOException ex) {
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82 throw new HgRemoteConnectionException("Failed to authenticate", ex).setServerInfo(getServerLocation());
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83 }
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84 }
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85
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86 public void disconnect() throws HgRemoteConnectionException {
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87 if (session != null) {
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88 forceSessionClose();
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89 }
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90 if (conn != null) {
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91 conn.close();
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92 conn = null;
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93 }
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94 }
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95
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96 public void sessionBegin() throws HgRemoteConnectionException {
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97 if (sessionUse > 0) {
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98 assert session != null;
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99 sessionUse++;
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100 return;
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101 }
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102 try {
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103 session = conn.openSession();
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104 final String path = url.getPath();
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105 session.execCommand(String.format("hg -R %s serve --stdio", path.charAt(0) == '/' ? path.substring(1) : path));
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106 remoteErr = new StreamGobbler(session.getStderr());
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107 remoteOut = new StreamGobbler(session.getStdout());
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108 remoteIn = session.getStdin();
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109 sessionUse = 1;
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110 } catch (IOException ex) {
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111 throw new HgRemoteConnectionException("Failed to create ssh session", ex);
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112 }
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113 }
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114
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115 public void sessionEnd() throws HgRemoteConnectionException {
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116 assert sessionUse > 0;
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117 assert session != null;
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118 if (sessionUse > 1) {
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119 sessionUse--;
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120 return;
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121 }
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122 forceSessionClose();
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123 }
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124
687
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125 public String getServerLocation() {
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126 return url.toString(); // FIXME
687
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127 }
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128
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129 public String getCapabilities() throws HgRemoteConnectionException {
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130 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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131 consume(remoteOut);
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132 consume(remoteErr);
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133 remoteIn.write(CMD_HELLO.getBytes());
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134 remoteIn.write('\n');
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135 remoteIn.write(CMD_CAPABILITIES.getBytes()); // see http connector for details
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136 remoteIn.write('\n');
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137 remoteIn.write(CMD_HEADS.getBytes());
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138 remoteIn.write('\n');
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139 checkError();
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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140 int responseLen = readResponseLength();
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141 checkError();
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142 FilterStream s = new FilterStream(remoteOut, responseLen);
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143 BufferedReader r = new BufferedReader(new InputStreamReader(s));
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144 String line;
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145 while ((line = r.readLine()) != null) {
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146 if (line.startsWith(CMD_CAPABILITIES) && line.length() > (CMD_CAPABILITIES.length()+1)) {
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147 line = line.substring(CMD_CAPABILITIES.length());
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148 if (line.charAt(0) == ':') {
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149 return line.substring(CMD_CAPABILITIES.length() + 1);
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150 }
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151 }
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152 }
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153 r.close();
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154 consume(remoteOut);
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155 checkError();
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156 return new String();
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157 } catch (IOException ex) {
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158 throw new HgRemoteConnectionException("Failed to initiate dialog with server", ex).setRemoteCommand(CMD_HELLO).setServerInfo(getServerLocation());
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159 }
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160 }
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161
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162 public InputStream heads() throws HgRemoteConnectionException {
697
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163 return executeCommand("heads", Collections.<Parameter>emptyList(), true);
685
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164 }
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165
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166 public InputStream between(Collection<Range> ranges) throws HgRemoteConnectionException {
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167 StringBuilder sb = new StringBuilder(ranges.size() * 82);
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168 for (Range r : ranges) {
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169 r.append(sb).append(' ');
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170 }
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171 if (!ranges.isEmpty()) {
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172 sb.setLength(sb.length() - 1);
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173 }
697
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174 return executeCommand("between", Collections.singletonList(new Parameter("pairs", sb.toString())), true);
685
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175 }
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176
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177 public InputStream branches(List<Nodeid> nodes) throws HgRemoteConnectionException {
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178 String l = join(nodes, ' ');
697
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179 return executeCommand("branches", Collections.singletonList(new Parameter("nodes", l)), true);
685
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180 }
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181
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182 public InputStream changegroup(List<Nodeid> roots) throws HgRemoteConnectionException, HgRuntimeException {
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183 String l = join(roots, ' ');
697
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184 InputStream cg = executeCommand("changegroup", Collections.singletonList(new Parameter("roots", l)), false);
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185 InputStream prefix = new ByteArrayInputStream("HG10UN".getBytes());
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186 return new SequenceInputStream(prefix, cg);
685
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187 }
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188
687
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189 public OutputStream unbundle(long outputLen, List<Nodeid> remoteHeads) throws HgRemoteConnectionException, HgRuntimeException {
685
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190 String l = join(remoteHeads, ' ');
687
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diff changeset
191 try {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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parents: 685
diff changeset
192 consume(remoteOut);
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parents: 685
diff changeset
193 consume(remoteErr);
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parents: 685
diff changeset
194 remoteIn.write(CMD_UNBUNDLE.getBytes());
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parents: 685
diff changeset
195 remoteIn.write('\n');
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parents: 685
diff changeset
196 writeParameters(Collections.singletonList(new Parameter("heads", l)));
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parents: 685
diff changeset
197 checkError();
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diff changeset
198 return new FilterOutputStream(remoteIn) {
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199 @Override
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diff changeset
200 public void close() throws IOException {
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diff changeset
201 out.flush();
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diff changeset
202 @SuppressWarnings("unused")
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diff changeset
203 int responseLen = readResponseLength();
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parents: 685
diff changeset
204 checkError();
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diff changeset
205 // XXX perhaps, need to return responseLen to caller?
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diff changeset
206 }
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diff changeset
207 };
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diff changeset
208 } catch (IOException ex) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
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diff changeset
209 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(CMD_UNBUNDLE).setServerInfo(getServerLocation());
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diff changeset
210 }
685
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211 }
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parents:
diff changeset
212
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diff changeset
213 public InputStream pushkey(String opName, String namespace, String key, String oldValue, String newValue) throws HgRemoteConnectionException, HgRuntimeException {
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diff changeset
214 ArrayList<Parameter> p = new ArrayList<Parameter>();
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diff changeset
215 p.add(new Parameter("namespace", namespace));
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diff changeset
216 p.add(new Parameter("key", key));
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diff changeset
217 p.add(new Parameter("old", oldValue));
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diff changeset
218 p.add(new Parameter("new", newValue));
697
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diff changeset
219 return executeCommand("pushkey", p, true);
685
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diff changeset
220 }
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parents:
diff changeset
221
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diff changeset
222 public InputStream listkeys(String namespace, String actionName) throws HgRemoteConnectionException, HgRuntimeException {
697
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diff changeset
223 return executeCommand("listkeys", Collections.singletonList(new Parameter("namespace", namespace)), true);
685
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diff changeset
224 }
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diff changeset
225
697
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diff changeset
226 private InputStream executeCommand(String cmd, List<Parameter> parameters, boolean expectResponseLength) throws HgRemoteConnectionException {
685
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diff changeset
227 try {
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diff changeset
228 consume(remoteOut);
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parents:
diff changeset
229 consume(remoteErr);
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diff changeset
230 remoteIn.write(cmd.getBytes());
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parents:
diff changeset
231 remoteIn.write('\n');
687
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diff changeset
232 writeParameters(parameters);
685
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diff changeset
233 checkError();
697
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diff changeset
234 if (expectResponseLength) {
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diff changeset
235 int responseLen = readResponseLength();
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 696
diff changeset
236 checkError();
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 696
diff changeset
237 return new FilterStream(remoteOut, responseLen);
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 696
diff changeset
238 } else {
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 696
diff changeset
239 return new FilterStream(remoteOut, Integer.MAX_VALUE);
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 696
diff changeset
240 }
685
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
241 } catch (IOException ex) {
687
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
242 throw new HgRemoteConnectionException("Communication failure", ex).setRemoteCommand(cmd).setServerInfo(getServerLocation());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
243 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
244 }
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
245
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
246 private void writeParameters(List<Parameter> parameters) throws IOException {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
247 for (Parameter p : parameters) {
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
248 remoteIn.write(p.name().getBytes());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
249 remoteIn.write(' ');
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
250 remoteIn.write(String.valueOf(p.size()).getBytes());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
251 remoteIn.write('\n');
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
252 remoteIn.write(p.data());
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
253 remoteIn.write('\n');
685
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
254 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
255 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
256
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
257 private void consume(InputStream is) throws IOException {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
258 while (is.available() > 0) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
259 is.read();
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
260 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
261 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
262
687
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
263 private void checkError() throws IOException {
685
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
264 if (remoteErr.available() > 0) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
265 StringBuilder sb = new StringBuilder();
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
266 int c;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
267 while ((c = remoteErr.read()) != -1) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
268 sb.append((char)c);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
269 }
687
9859fcea475d Towards ssh remote repositories: refactor HgRemoteRepository - move http related code to HttpConnector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 685
diff changeset
270 throw new IOException(sb.toString());
685
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
271 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
272 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
273
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
274 private int readResponseLength() throws IOException {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
275 int c;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
276 StringBuilder sb = new StringBuilder();
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
277 while ((c = remoteOut.read()) != -1) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
278 if (c == '\n') {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
279 break;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
280 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
281 sb.append((char) c);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
282 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
283 if (c == -1) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
284 throw new EOFException();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
285 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
286 try {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
287 return Integer.parseInt(sb.toString());
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
288 } catch (NumberFormatException ex) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
289 throw new IOException(String.format("Expected response length instead of %s", sb));
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
290 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
291 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
292
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
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parents:
diff changeset
293
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
294 private void forceSessionClose() {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
295 if (session != null) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
296 closeQuietly(remoteErr);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
297 closeQuietly(remoteOut);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
298 remoteErr = remoteOut = null;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
299 closeQuietly(remoteIn);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
300 remoteIn = null;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
301 session.close();
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
302 session = null;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
303 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
304 sessionUse = 0;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
305 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
306
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
307 private void closeQuietly(Closeable c) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
308 try {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
309 if (c != null) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
310 c.close();
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
311 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
312 } catch (IOException ex) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
313 sessionCtx.getLog().dump(getClass(), Severity.Warn, ex, null);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
314 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
315 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
316
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
317 private static String join(List<Nodeid> values, char sep) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
318 StringBuilder sb = new StringBuilder(values.size() * 41);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
319 for (Nodeid n : values) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
320 sb.append(n.toString());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
321 sb.append(sep);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
322 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
323 if (!values.isEmpty()) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
324 // strip last space
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
325 sb.setLength(sb.length() - 1);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
326 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
327 return sb.toString();
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
328 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
329
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
330 private static final class Parameter {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
331 private final String name;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
332 private final byte[] data;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
333
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
334 public Parameter(String paramName, String paramValue) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
335 assert paramName != null;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
336 assert paramValue != null;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
337 name = paramName;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
338 data = paramValue.getBytes();
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
339 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
340
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
341 public String name() {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
342 return name;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
343 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
344 public int size() {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
345 return data.length;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
346 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
347 public byte[] data() {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
348 return data;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
349 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
350 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
351
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
352 private static final class FilterStream extends FilterInputStream {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
353 private int length;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
354
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
355 public FilterStream(InputStream is, int initialLength) {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
356 super(is);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
357 length = initialLength;
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
358 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
359
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
360 @Override
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
361 public int available() throws IOException {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
362 return Math.min(super.available(), length);
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
363 }
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
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364 @Override
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365 public int read() throws IOException {
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
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366 if (length == 0) {
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367 return -1;
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368 }
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369 int r = super.read();
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370 if (r >= 0) {
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371 length--;
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372 }
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373 return r;
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374 }
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375 @Override
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376 public int read(byte[] b, int off, int len) throws IOException {
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377 if (length == 0) {
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378 return -1;
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parents:
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379 }
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380 int r = super.read(b, off, Math.min(len, length));
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parents:
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381 if (r >= 0) {
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parents:
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382 assert r <= length;
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383 length -= r;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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384 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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385 return r;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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386 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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387 @Override
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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388 public void close() throws IOException {
697
24f4efedc9d5 Respect the fact ssh and http protocols use different compression approach to sent changegroup data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 696
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389 length = 0;
685
9897cbfd2790 Towards ssh remote repositories: use ganymed library for ssh transport
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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390 // INTENTIONALLY DOES NOT CLOSE THE STREAM
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parents:
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391 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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392 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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393 }