Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgRemoteRepository.java @ 184:ec1820f64d2b

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Complete incoming cmdline client, with both lite (revisions) and complete (full changeset) information dump
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 13 Apr 2011 19:09:10 +0200
parents cd3371670f0b
children 44a34baabea0
rev   line source
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1 /*
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2 * Copyright (c) 2011 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.repo;
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19 import java.io.File;
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20 import java.io.FileOutputStream;
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21 import java.io.IOException;
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22 import java.io.InputStream;
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23 import java.io.InputStreamReader;
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24 import java.io.OutputStream;
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25 import java.io.StreamTokenizer;
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26 import java.net.HttpURLConnection;
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27 import java.net.MalformedURLException;
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28 import java.net.URL;
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29 import java.net.URLConnection;
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30 import java.security.cert.CertificateException;
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31 import java.security.cert.X509Certificate;
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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.Iterator;
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36 import java.util.LinkedHashMap;
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37 import java.util.LinkedList;
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38 import java.util.List;
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39 import java.util.Map;
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40 import java.util.prefs.BackingStoreException;
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41 import java.util.prefs.Preferences;
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42 import java.util.zip.InflaterInputStream;
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43
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44 import javax.net.ssl.HttpsURLConnection;
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45 import javax.net.ssl.SSLContext;
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46 import javax.net.ssl.TrustManager;
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47 import javax.net.ssl.X509TrustManager;
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48
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49 import org.tmatesoft.hg.core.HgBadArgumentException;
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50 import org.tmatesoft.hg.core.HgBadStateException;
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51 import org.tmatesoft.hg.core.HgException;
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52 import org.tmatesoft.hg.core.Nodeid;
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53
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54 /**
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55 * WORK IN PROGRESS, DO NOT USE
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56 *
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57 * @see http://mercurial.selenic.com/wiki/WireProtocol
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58 *
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59 * @author Artem Tikhomirov
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60 * @author TMate Software Ltd.
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61 */
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62 public class HgRemoteRepository {
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63
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64 private final URL url;
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65 private final SSLContext sslContext;
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66 private final String authInfo;
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67 private final boolean debug = Boolean.parseBoolean(System.getProperty("hg4j.remote.debug"));
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68
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69 HgRemoteRepository(URL url) throws HgBadArgumentException {
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70 if (url == null) {
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71 throw new IllegalArgumentException();
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72 }
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73 this.url = url;
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74 if ("https".equals(url.getProtocol())) {
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75 try {
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76 sslContext = SSLContext.getInstance("SSL");
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77 class TrustEveryone implements X509TrustManager {
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78 public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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79 System.out.println("checkClientTrusted " + authType);
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80 }
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81 public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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82 System.out.println("checkServerTrusted" + authType);
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83 }
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84 public X509Certificate[] getAcceptedIssuers() {
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85 return new X509Certificate[0];
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86 }
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87 };
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88 sslContext.init(null, new TrustManager[] { new TrustEveryone() }, null);
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89 } catch (Exception ex) {
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90 throw new HgBadArgumentException("Can't initialize secure connection", ex);
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91 }
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92 } else {
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93 sslContext = null;
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94 }
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95 if (url.getUserInfo() != null) {
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96 String ai = null;
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97 try {
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98 // Hack to get Base64-encoded credentials
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99 Preferences tempNode = Preferences.userRoot().node("xxx");
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100 tempNode.putByteArray("xxx", url.getUserInfo().getBytes());
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101 ai = tempNode.get("xxx", null);
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102 tempNode.removeNode();
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103 } catch (BackingStoreException ex) {
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104 ex.printStackTrace();
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105 // IGNORE
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106 }
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107 authInfo = ai;
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108 } else {
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109 authInfo = null;
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110 }
171
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111 }
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112
181
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113 public boolean isInvalid() throws HgException {
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114 // say hello to server, check response
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115 if (Boolean.FALSE.booleanValue()) {
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116 throw HgRepository.notImplemented();
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117 }
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118 return false; // FIXME
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119 }
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120
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121 /**
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122 * @return human-readable address of the server, without user credentials or any other security information
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123 */
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124 public String getLocation() {
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125 if (url.getUserInfo() == null) {
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126 return url.toExternalForm();
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127 }
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128 if (url.getPort() != -1) {
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129 return String.format("%s://%s:%d%s", url.getProtocol(), url.getHost(), url.getPort(), url.getPath());
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130 } else {
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131 return String.format("%s://%s%s", url.getProtocol(), url.getHost(), url.getPath());
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132 }
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133 }
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134
178
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135 public List<Nodeid> heads() throws HgException {
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136 try {
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137 URL u = new URL(url, url.getPath() + "?cmd=heads");
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138 HttpURLConnection c = setupConnection(u.openConnection());
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139 c.connect();
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140 if (debug) {
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141 dumpResponseHeader(u, c);
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142 }
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143 InputStreamReader is = new InputStreamReader(c.getInputStream(), "US-ASCII");
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144 StreamTokenizer st = new StreamTokenizer(is);
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145 st.ordinaryChars('0', '9');
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146 st.wordChars('0', '9');
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147 st.eolIsSignificant(false);
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148 LinkedList<Nodeid> parseResult = new LinkedList<Nodeid>();
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149 while (st.nextToken() != StreamTokenizer.TT_EOF) {
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150 parseResult.add(Nodeid.fromAscii(st.sval));
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151 }
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152 return parseResult;
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153 } catch (MalformedURLException ex) {
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154 throw new HgException(ex);
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155 } catch (IOException ex) {
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156 throw new HgException(ex);
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157 }
171
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158 }
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diff changeset
159
176
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160 public List<Nodeid> between(Nodeid tip, Nodeid base) throws HgException {
177
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161 Range r = new Range(base, tip);
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162 // XXX shall handle errors like no range key in the returned map, not sure how.
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163 return between(Collections.singletonList(r)).get(r);
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164 }
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165
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166 /**
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167 * @param ranges
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168 * @return map, where keys are input instances, values are corresponding server reply
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169 * @throws HgException
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170 */
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171 public Map<Range, List<Nodeid>> between(Collection<Range> ranges) throws HgException {
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172 if (ranges.isEmpty()) {
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173 return Collections.emptyMap();
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174 }
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175 // if fact, shall do other way round, this method shall send
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176 LinkedHashMap<Range, List<Nodeid>> rv = new LinkedHashMap<HgRemoteRepository.Range, List<Nodeid>>(ranges.size() * 4 / 3);
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177 StringBuilder sb = new StringBuilder(20 + ranges.size() * 82);
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178 sb.append("pairs=");
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179 for (Range r : ranges) {
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180 sb.append(r.end.toString());
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181 sb.append('-');
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182 sb.append(r.start.toString());
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183 sb.append('+');
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184 }
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185 if (sb.charAt(sb.length() - 1) == '+') {
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186 // strip last space
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187 sb.setLength(sb.length() - 1);
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188 }
176
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189 try {
177
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190 boolean usePOST = ranges.size() > 3;
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191 URL u = new URL(url, url.getPath() + "?cmd=between" + (usePOST ? "" : '&' + sb.toString()));
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192 HttpURLConnection c = setupConnection(u.openConnection());
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193 if (usePOST) {
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194 c.setRequestMethod("POST");
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195 c.setRequestProperty("Content-Length", String.valueOf(sb.length()/*nodeids are ASCII, bytes == characters */));
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196 c.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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197 c.setDoOutput(true);
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198 c.connect();
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199 OutputStream os = c.getOutputStream();
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200 os.write(sb.toString().getBytes());
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201 os.flush();
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diff changeset
202 os.close();
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203 } else {
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diff changeset
204 c.connect();
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205 }
178
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diff changeset
206 if (debug) {
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diff changeset
207 System.out.printf("%d ranges, method:%s \n", ranges.size(), c.getRequestMethod());
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diff changeset
208 dumpResponseHeader(u, c);
176
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
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diff changeset
209 }
177
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diff changeset
210 InputStreamReader is = new InputStreamReader(c.getInputStream(), "US-ASCII");
176
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
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diff changeset
211 StreamTokenizer st = new StreamTokenizer(is);
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
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diff changeset
212 st.ordinaryChars('0', '9');
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
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diff changeset
213 st.wordChars('0', '9');
177
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diff changeset
214 st.eolIsSignificant(true);
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parents: 176
diff changeset
215 Iterator<Range> rangeItr = ranges.iterator();
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parents: 176
diff changeset
216 LinkedList<Nodeid> currRangeList = null;
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diff changeset
217 Range currRange = null;
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
218 boolean possiblyEmptyNextLine = true;
176
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
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diff changeset
219 while (st.nextToken() != StreamTokenizer.TT_EOF) {
177
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
220 if (st.ttype == StreamTokenizer.TT_EOL) {
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parents: 176
diff changeset
221 if (possiblyEmptyNextLine) {
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
222 // newline follows newline;
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parents: 176
diff changeset
223 assert currRange == null;
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diff changeset
224 assert currRangeList == null;
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
225 if (!rangeItr.hasNext()) {
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
226 throw new HgBadStateException();
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diff changeset
227 }
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diff changeset
228 rv.put(rangeItr.next(), Collections.<Nodeid>emptyList());
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
229 } else {
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
230 if (currRange == null || currRangeList == null) {
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
231 throw new HgBadStateException();
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diff changeset
232 }
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diff changeset
233 // indicate next range value is needed
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diff changeset
234 currRange = null;
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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diff changeset
235 currRangeList = null;
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 176
diff changeset
236 possiblyEmptyNextLine = true;
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
237 }
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parents: 176
diff changeset
238 } else {
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
239 possiblyEmptyNextLine = false;
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 176
diff changeset
240 if (currRange == null) {
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 176
diff changeset
241 if (!rangeItr.hasNext()) {
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 176
diff changeset
242 throw new HgBadStateException();
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 176
diff changeset
243 }
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
244 currRange = rangeItr.next();
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
245 currRangeList = new LinkedList<Nodeid>();
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
246 rv.put(currRange, currRangeList);
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 176
diff changeset
247 }
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
248 Nodeid nid = Nodeid.fromAscii(st.sval);
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
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parents: 176
diff changeset
249 currRangeList.addLast(nid);
e10225daface Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 176
diff changeset
250 }
176
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
251 }
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
252 is.close();
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
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parents: 172
diff changeset
253 return rv;
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
254 } catch (MalformedURLException ex) {
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
255 throw new HgException(ex);
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
256 } catch (IOException ex) {
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
257 throw new HgException(ex);
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
258 }
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
259 }
a8df7162ec75 Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 172
diff changeset
260
178
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
261 public List<RemoteBranch> branches(List<Nodeid> nodes) throws HgException {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
262 StringBuilder sb = new StringBuilder(20 + nodes.size() * 41);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
263 sb.append("nodes=");
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
264 for (Nodeid n : nodes) {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
265 sb.append(n.toString());
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
266 sb.append('+');
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
267 }
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
268 if (sb.charAt(sb.length() - 1) == '+') {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
269 // strip last space
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
270 sb.setLength(sb.length() - 1);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
271 }
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
272 try {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
273 URL u = new URL(url, url.getPath() + "?cmd=branches&" + sb.toString());
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
274 HttpURLConnection c = setupConnection(u.openConnection());
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
275 c.connect();
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
276 if (debug) {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
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parents: 177
diff changeset
277 dumpResponseHeader(u, c);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
278 }
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
279 InputStreamReader is = new InputStreamReader(c.getInputStream(), "US-ASCII");
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
280 StreamTokenizer st = new StreamTokenizer(is);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
281 st.ordinaryChars('0', '9');
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
282 st.wordChars('0', '9');
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
283 st.eolIsSignificant(false);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
284 ArrayList<Nodeid> parseResult = new ArrayList<Nodeid>(nodes.size() * 4);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
285 while (st.nextToken() != StreamTokenizer.TT_EOF) {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
286 parseResult.add(Nodeid.fromAscii(st.sval));
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
287 }
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
288 if (parseResult.size() != nodes.size() * 4) {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
289 throw new HgException(String.format("Bad number of nodeids in result (shall be factor 4), expected %d, got %d", nodes.size()*4, parseResult.size()));
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
290 }
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
291 ArrayList<RemoteBranch> rv = new ArrayList<RemoteBranch>(nodes.size());
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
292 for (int i = 0; i < nodes.size(); i++) {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
293 RemoteBranch rb = new RemoteBranch(parseResult.get(i*4), parseResult.get(i*4 + 1), parseResult.get(i*4 + 2), parseResult.get(i*4 + 3));
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
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parents: 177
diff changeset
294 rv.add(rb);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
295 }
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
296 return rv;
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
297 } catch (MalformedURLException ex) {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
298 throw new HgException(ex);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
299 } catch (IOException ex) {
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
300 throw new HgException(ex);
62665d8f0686 Complete logic to discover all branches missing locally. Most of wire protocol in HgRemoteRepository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 177
diff changeset
301 }
171
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 170
diff changeset
302 }
170
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
303
184
ec1820f64d2b Complete incoming cmdline client, with both lite (revisions) and complete (full changeset) information dump
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 181
diff changeset
304 // WireProtocol wiki: roots = a list of the latest nodes on every service side changeset branch that both the client and server know about.
ec1820f64d2b Complete incoming cmdline client, with both lite (revisions) and complete (full changeset) information dump
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parents: 181
diff changeset
305 // perhaps, shall be named 'changegroup'
170
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
306 public HgBundle getChanges(List<Nodeid> roots) throws HgException {
179
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
307 StringBuilder sb = new StringBuilder(20 + roots.size() * 41);
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
308 sb.append("roots=");
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
309 for (Nodeid n : roots) {
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
310 sb.append(n.toString());
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
311 sb.append('+');
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
312 }
da426c2fe1ec Support for changegroup wire command
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parents: 178
diff changeset
313 if (sb.charAt(sb.length() - 1) == '+') {
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
314 // strip last space
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
315 sb.setLength(sb.length() - 1);
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
316 }
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
317 try {
da426c2fe1ec Support for changegroup wire command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 178
diff changeset
318 URL u = new URL(url, url.getPath() + "?cmd=changegroup&" + sb.toString());
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319 HttpURLConnection c = setupConnection(u.openConnection());
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320 c.connect();
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321 if (debug) {
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322 dumpResponseHeader(u, c);
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323 }
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324 File tf = writeBundle(c.getInputStream(), false, "HG10GZ" /*didn't see any other that zip*/);
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325 return new HgLookup().loadBundle(tf);
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326 } catch (MalformedURLException ex) {
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327 throw new HgException(ex);
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328 } catch (IOException ex) {
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329 throw new HgException(ex);
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330 }
170
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331 }
176
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332
177
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333 private HttpURLConnection setupConnection(URLConnection urlConnection) {
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334 urlConnection.setRequestProperty("User-Agent", "hg4j/0.5.0");
176
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335 urlConnection.addRequestProperty("Accept", "application/mercurial-0.1");
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336 if (authInfo != null) {
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337 urlConnection.addRequestProperty("Authorization", "Basic " + authInfo);
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338 }
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339 if (sslContext != null) {
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340 ((HttpsURLConnection) urlConnection).setSSLSocketFactory(sslContext.getSocketFactory());
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341 }
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342 return (HttpURLConnection) urlConnection;
176
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343 }
171
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344
178
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345 private void dumpResponseHeader(URL u, HttpURLConnection c) {
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346 System.out.printf("Query (%d bytes):%s\n", u.getQuery().length(), u.getQuery());
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347 System.out.println("Response headers:");
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348 final Map<String, List<String>> headerFields = c.getHeaderFields();
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349 for (String s : headerFields.keySet()) {
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350 System.out.printf("%s: %s\n", s, c.getHeaderField(s));
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351 }
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352 }
179
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353
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354 private static File writeBundle(InputStream is, boolean decompress, String header) throws IOException {
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355 InputStream zipStream = decompress ? new InflaterInputStream(is) : is;
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356 File tf = File.createTempFile("hg-bundle-", null);
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357 FileOutputStream fos = new FileOutputStream(tf);
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358 fos.write(header.getBytes());
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359 int r;
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360 byte[] buf = new byte[8*1024];
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361 while ((r = zipStream.read(buf)) != -1) {
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362 fos.write(buf, 0, r);
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363 }
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364 fos.close();
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365 zipStream.close();
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366 return tf;
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367 }
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368
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369
176
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370 public static final class Range {
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371 /**
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372 * Root of the range, earlier revision
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373 */
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374 public final Nodeid start;
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375 /**
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376 * Head of the range, later revision.
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377 */
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378 public final Nodeid end;
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379
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380 /**
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381 * @param from - root/base revision
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382 * @param to - head/tip revision
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383 */
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384 public Range(Nodeid from, Nodeid to) {
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385 start = from;
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386 end = to;
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387 }
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388 }
184
ec1820f64d2b Complete incoming cmdline client, with both lite (revisions) and complete (full changeset) information dump
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389
171
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390 public static final class RemoteBranch {
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391 public final Nodeid head, root, p1, p2;
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392
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393 public RemoteBranch(Nodeid h, Nodeid r, Nodeid parent1, Nodeid parent2) {
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394 head = h;
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395 root = r;
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396 p1 = parent1;
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397 p2 = parent2;
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398 }
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399
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400 @Override
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401 public boolean equals(Object obj) {
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402 if (this == obj) {
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403 return true;
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404 }
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405 if (false == obj instanceof RemoteBranch) {
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406 return false;
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407 }
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408 RemoteBranch o = (RemoteBranch) obj;
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409 return head.equals(o.head) && root.equals(o.root) && (p1 == null && o.p1 == null || p1.equals(o.p1)) && (p2 == null && o.p2 == null || p2.equals(o.p2));
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410 }
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diff changeset
411 }
170
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style
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412 }