1 | /* |
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2 | * This file Copyright (C) 2009-2010 Mnemosyne LLC |
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3 | * |
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4 | * This file is licensed by the GPL version 2. Works owned by the |
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5 | * Transmission project are granted a special exemption to clause 2(b) |
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6 | * so that the bulk of its code can remain under the MIT license. |
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7 | * This exemption does not extend to derived works not owned by |
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8 | * the Transmission project. |
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9 | * |
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10 | * $Id: torrent.c 10694 2010-05-26 15:23:21Z charles $ |
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11 | */ |
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12 | |
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13 | #include <sys/types.h> /* stat */ |
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14 | #include <sys/stat.h> /* stat */ |
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15 | #include <unistd.h> /* stat */ |
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16 | #include <dirent.h> |
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17 | |
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18 | #include <assert.h> |
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19 | #include <limits.h> /* INT_MAX */ |
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20 | #include <math.h> |
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21 | #include <stdarg.h> |
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22 | #include <string.h> /* memcmp */ |
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23 | #include <stdlib.h> /* qsort */ |
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24 | |
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25 | #include <stdarg.h> /* some 1.4.x versions of evutil.h need this */ |
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26 | #include <evutil.h> /* evutil_vsnprintf() */ |
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27 | |
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28 | #include "transmission.h" |
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29 | #include "announcer.h" |
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30 | #include "bandwidth.h" |
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31 | #include "bencode.h" |
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32 | #include "completion.h" |
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33 | #include "crypto.h" /* for tr_sha1 */ |
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34 | #include "resume.h" |
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35 | #include "fdlimit.h" /* tr_fdTorrentClose */ |
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36 | #include "magnet.h" |
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37 | #include "metainfo.h" |
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38 | #include "peer-common.h" /* MAX_BLOCK_SIZE */ |
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39 | #include "peer-mgr.h" |
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40 | #include "platform.h" /* TR_PATH_DELIMITER_STR */ |
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41 | #include "ptrarray.h" |
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42 | #include "session.h" |
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43 | #include "torrent.h" |
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44 | #include "torrent-magnet.h" |
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45 | #include "trevent.h" /* tr_runInEventThread() */ |
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46 | #include "utils.h" |
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47 | #include "verify.h" |
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48 | #include "version.h" |
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49 | |
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50 | /*** |
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51 | **** |
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52 | ***/ |
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53 | |
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54 | int |
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55 | tr_torrentId( const tr_torrent * tor ) |
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56 | { |
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57 | return tor->uniqueId; |
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58 | } |
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59 | |
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60 | tr_torrent* |
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61 | tr_torrentFindFromId( tr_session * session, int id ) |
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62 | { |
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63 | tr_torrent * tor = NULL; |
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64 | |
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65 | while(( tor = tr_torrentNext( session, tor ))) |
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66 | if( tor->uniqueId == id ) |
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67 | return tor; |
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68 | |
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69 | return NULL; |
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70 | } |
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71 | |
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72 | tr_torrent* |
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73 | tr_torrentFindFromHashString( tr_session * session, const char * str ) |
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74 | { |
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75 | tr_torrent * tor = NULL; |
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76 | |
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77 | while(( tor = tr_torrentNext( session, tor ))) |
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78 | if( !strcasecmp( str, tor->info.hashString ) ) |
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79 | return tor; |
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80 | |
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81 | return NULL; |
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82 | } |
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83 | |
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84 | tr_torrent* |
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85 | tr_torrentFindFromHash( tr_session * session, const uint8_t * torrentHash ) |
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86 | { |
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87 | tr_torrent * tor = NULL; |
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88 | |
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89 | while(( tor = tr_torrentNext( session, tor ))) |
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90 | if( *tor->info.hash == *torrentHash ) |
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91 | if( !memcmp( tor->info.hash, torrentHash, SHA_DIGEST_LENGTH ) ) |
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92 | return tor; |
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93 | |
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94 | return NULL; |
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95 | } |
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96 | |
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97 | tr_torrent* |
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98 | tr_torrentFindFromMagnetLink( tr_session * session, const char * magnet ) |
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99 | { |
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100 | tr_magnet_info * info; |
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101 | tr_torrent * tor = NULL; |
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102 | |
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103 | if(( info = tr_magnetParse( magnet ))) |
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104 | { |
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105 | tor = tr_torrentFindFromHash( session, info->hash ); |
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106 | tr_magnetFree( info ); |
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107 | } |
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108 | |
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109 | return tor; |
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110 | } |
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111 | |
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112 | tr_torrent* |
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113 | tr_torrentFindFromObfuscatedHash( tr_session * session, |
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114 | const uint8_t * obfuscatedTorrentHash ) |
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115 | { |
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116 | tr_torrent * tor = NULL; |
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117 | |
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118 | while(( tor = tr_torrentNext( session, tor ))) |
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119 | if( !memcmp( tor->obfuscatedHash, obfuscatedTorrentHash, |
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120 | SHA_DIGEST_LENGTH ) ) |
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121 | return tor; |
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122 | |
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123 | return NULL; |
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124 | } |
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125 | |
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126 | /*** |
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127 | **** PER-TORRENT UL / DL SPEEDS |
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128 | ***/ |
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129 | |
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130 | void |
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131 | tr_torrentSetSpeedLimit( tr_torrent * tor, tr_direction dir, int KiB_sec ) |
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132 | { |
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133 | assert( tr_isTorrent( tor ) ); |
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134 | assert( tr_isDirection( dir ) ); |
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135 | |
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136 | if( tr_bandwidthSetDesiredSpeed( tor->bandwidth, dir, KiB_sec ) ) |
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137 | tr_torrentSetDirty( tor ); |
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138 | } |
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139 | |
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140 | int |
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141 | tr_torrentGetSpeedLimit( const tr_torrent * tor, tr_direction dir ) |
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142 | { |
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143 | assert( tr_isTorrent( tor ) ); |
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144 | assert( tr_isDirection( dir ) ); |
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145 | |
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146 | return tr_bandwidthGetDesiredSpeed( tor->bandwidth, dir ); |
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147 | } |
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148 | |
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149 | void |
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150 | tr_torrentUseSpeedLimit( tr_torrent * tor, tr_direction dir, tr_bool do_use ) |
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151 | { |
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152 | assert( tr_isTorrent( tor ) ); |
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153 | assert( tr_isDirection( dir ) ); |
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154 | |
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155 | if( tr_bandwidthSetLimited( tor->bandwidth, dir, do_use ) ) |
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156 | tr_torrentSetDirty( tor ); |
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157 | } |
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158 | |
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159 | tr_bool |
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160 | tr_torrentUsesSpeedLimit( const tr_torrent * tor, tr_direction dir ) |
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161 | { |
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162 | assert( tr_isTorrent( tor ) ); |
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163 | assert( tr_isDirection( dir ) ); |
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164 | |
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165 | return tr_bandwidthIsLimited( tor->bandwidth, dir ); |
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166 | } |
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167 | |
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168 | void |
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169 | tr_torrentUseSessionLimits( tr_torrent * tor, tr_bool doUse ) |
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170 | { |
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171 | tr_bool changed; |
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172 | |
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173 | assert( tr_isTorrent( tor ) ); |
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174 | |
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175 | changed = tr_bandwidthHonorParentLimits( tor->bandwidth, TR_UP, doUse ); |
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176 | changed |= tr_bandwidthHonorParentLimits( tor->bandwidth, TR_DOWN, doUse ); |
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177 | |
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178 | if( changed ) |
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179 | tr_torrentSetDirty( tor ); |
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180 | } |
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181 | |
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182 | tr_bool |
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183 | tr_torrentUsesSessionLimits( const tr_torrent * tor ) |
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184 | { |
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185 | assert( tr_isTorrent( tor ) ); |
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186 | |
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187 | return tr_bandwidthAreParentLimitsHonored( tor->bandwidth, TR_UP ); |
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188 | } |
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189 | |
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190 | /*** |
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191 | **** |
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192 | ***/ |
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193 | |
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194 | void |
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195 | tr_torrentSetRatioMode( tr_torrent * tor, tr_ratiolimit mode ) |
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196 | { |
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197 | assert( tr_isTorrent( tor ) ); |
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198 | assert( mode==TR_RATIOLIMIT_GLOBAL || mode==TR_RATIOLIMIT_SINGLE || mode==TR_RATIOLIMIT_UNLIMITED ); |
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199 | |
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200 | if( mode != tor->ratioLimitMode ) |
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201 | { |
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202 | tor->ratioLimitMode = mode; |
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203 | |
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204 | tr_torrentSetDirty( tor ); |
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205 | } |
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206 | } |
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207 | |
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208 | tr_ratiolimit |
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209 | tr_torrentGetRatioMode( const tr_torrent * tor ) |
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210 | { |
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211 | assert( tr_isTorrent( tor ) ); |
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212 | |
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213 | return tor->ratioLimitMode; |
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214 | } |
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215 | |
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216 | void |
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217 | tr_torrentSetRatioLimit( tr_torrent * tor, double desiredRatio ) |
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218 | { |
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219 | assert( tr_isTorrent( tor ) ); |
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220 | |
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221 | if( (int)(desiredRatio*100.0) != (int)(tor->desiredRatio*100.0) ) |
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222 | { |
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223 | tor->desiredRatio = desiredRatio; |
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224 | |
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225 | tr_torrentSetDirty( tor ); |
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226 | } |
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227 | } |
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228 | |
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229 | double |
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230 | tr_torrentGetRatioLimit( const tr_torrent * tor ) |
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231 | { |
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232 | assert( tr_isTorrent( tor ) ); |
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233 | |
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234 | return tor->desiredRatio; |
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235 | } |
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236 | |
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237 | tr_bool |
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238 | tr_torrentIsPieceTransferAllowed( const tr_torrent * tor, |
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239 | tr_direction direction ) |
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240 | { |
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241 | int limit; |
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242 | tr_bool allowed = TRUE; |
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243 | |
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244 | if( tr_torrentUsesSpeedLimit( tor, direction ) ) |
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245 | if( tr_torrentGetSpeedLimit( tor, direction ) <= 0 ) |
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246 | allowed = FALSE; |
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247 | |
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248 | if( tr_torrentUsesSessionLimits( tor ) ) |
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249 | if( tr_sessionGetActiveSpeedLimit( tor->session, direction, &limit ) ) |
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250 | if( limit <= 0 ) |
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251 | allowed = FALSE; |
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252 | |
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253 | return allowed; |
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254 | } |
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255 | |
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256 | tr_bool |
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257 | tr_torrentGetSeedRatio( const tr_torrent * tor, double * ratio ) |
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258 | { |
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259 | tr_bool isLimited; |
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260 | |
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261 | switch( tr_torrentGetRatioMode( tor ) ) |
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262 | { |
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263 | case TR_RATIOLIMIT_SINGLE: |
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264 | isLimited = TRUE; |
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265 | if( ratio ) |
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266 | *ratio = tr_torrentGetRatioLimit( tor ); |
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267 | break; |
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268 | |
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269 | case TR_RATIOLIMIT_GLOBAL: |
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270 | isLimited = tr_sessionIsRatioLimited( tor->session ); |
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271 | if( isLimited && ratio ) |
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272 | *ratio = tr_sessionGetRatioLimit( tor->session ); |
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273 | break; |
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274 | |
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275 | default: /* TR_RATIOLIMIT_UNLIMITED */ |
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276 | isLimited = FALSE; |
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277 | break; |
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278 | } |
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279 | |
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280 | return isLimited; |
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281 | } |
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282 | |
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283 | /* returns true if the seed ratio applies -- |
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284 | * it applies if the torrent's a seed AND it has a seed ratio set */ |
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285 | static tr_bool |
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286 | tr_torrentGetSeedRatioBytes( tr_torrent * tor, |
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287 | uint64_t * setmeLeft, |
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288 | uint64_t * setmeGoal ) |
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289 | { |
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290 | double seedRatio; |
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291 | tr_bool seedRatioApplies = FALSE; |
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292 | |
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293 | if( tr_torrentGetSeedRatio( tor, &seedRatio ) ) |
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294 | { |
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295 | const uint64_t u = tor->uploadedCur + tor->uploadedPrev; |
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296 | const uint64_t d = tor->downloadedCur + tor->downloadedPrev; |
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297 | const uint64_t baseline = d ? d : tr_cpSizeWhenDone( &tor->completion ); |
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298 | const uint64_t goal = baseline * seedRatio; |
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299 | if( setmeLeft ) *setmeLeft = goal > u ? goal - u : 0; |
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300 | if( setmeGoal ) *setmeGoal = goal; |
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301 | seedRatioApplies = tr_torrentIsSeed( tor ); |
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302 | } |
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303 | |
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304 | return seedRatioApplies; |
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305 | } |
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306 | |
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307 | static tr_bool |
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308 | tr_torrentIsSeedRatioDone( tr_torrent * tor ) |
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309 | { |
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310 | uint64_t bytesLeft; |
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311 | return tr_torrentGetSeedRatioBytes( tor, &bytesLeft, NULL ) && !bytesLeft; |
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312 | } |
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313 | |
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314 | void |
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315 | tr_torrentCheckSeedRatio( tr_torrent * tor ) |
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316 | { |
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317 | assert( tr_isTorrent( tor ) ); |
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318 | |
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319 | /* if we're seeding and reach our seed ratio limit, stop the torrent */ |
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320 | if( tor->isRunning && tr_torrentIsSeedRatioDone( tor ) ) |
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321 | { |
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322 | tr_torinf( tor, "Seed ratio reached; pausing torrent" ); |
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323 | |
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324 | tr_torrentStop( tor ); |
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325 | |
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326 | /* maybe notify the client */ |
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327 | if( tor->ratio_limit_hit_func != NULL ) |
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328 | tor->ratio_limit_hit_func( tor, tor->ratio_limit_hit_func_user_data ); |
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329 | } |
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330 | } |
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331 | |
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332 | |
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333 | /*** |
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334 | **** |
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335 | ***/ |
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336 | |
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337 | void |
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338 | tr_torrentSetLocalError( tr_torrent * tor, const char * fmt, ... ) |
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339 | { |
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340 | va_list ap; |
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341 | |
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342 | assert( tr_isTorrent( tor ) ); |
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343 | |
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344 | va_start( ap, fmt ); |
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345 | tor->error = TR_STAT_LOCAL_ERROR; |
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346 | tor->errorTracker[0] = '\0'; |
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347 | evutil_vsnprintf( tor->errorString, sizeof( tor->errorString ), fmt, ap ); |
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348 | va_end( ap ); |
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349 | } |
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350 | |
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351 | static void |
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352 | tr_torrentClearError( tr_torrent * tor ) |
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353 | { |
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354 | assert( tr_isTorrent( tor ) ); |
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355 | |
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356 | tor->error = TR_STAT_OK; |
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357 | tor->errorString[0] = '\0'; |
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358 | tor->errorTracker[0] = '\0'; |
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359 | } |
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360 | |
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361 | static void |
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362 | onTrackerResponse( void * tracker UNUSED, |
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363 | void * vevent, |
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364 | void * user_data ) |
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365 | { |
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366 | tr_torrent * tor = user_data; |
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367 | tr_tracker_event * event = vevent; |
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368 | |
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369 | switch( event->messageType ) |
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370 | { |
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371 | case TR_TRACKER_PEERS: |
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372 | { |
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373 | size_t i, n; |
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374 | const int seedProbability = event->seedProbability; |
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375 | const tr_bool allAreSeeds = seedProbability == 100; |
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376 | tr_pex * pex = tr_peerMgrArrayToPex( event->compact, |
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377 | event->compactLen, &n ); |
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378 | if( allAreSeeds ) |
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379 | tr_tordbg( tor, "Got %d seeds from tracker", (int)n ); |
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380 | else |
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381 | tr_tordbg( tor, "Got %d peers from tracker", (int)n ); |
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382 | |
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383 | for( i = 0; i < n; ++i ) |
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384 | tr_peerMgrAddPex( tor, TR_PEER_FROM_TRACKER, pex+i, seedProbability ); |
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385 | |
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386 | if( allAreSeeds && tr_torrentIsPrivate( tor ) ) |
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387 | tr_peerMgrMarkAllAsSeeds( tor ); |
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388 | |
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389 | tr_free( pex ); |
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390 | break; |
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391 | } |
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392 | |
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393 | case TR_TRACKER_WARNING: |
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394 | tr_torerr( tor, _( "Tracker warning: \"%s\"" ), event->text ); |
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395 | tor->error = TR_STAT_TRACKER_WARNING; |
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396 | tr_strlcpy( tor->errorTracker, event->tracker, sizeof( tor->errorTracker ) ); |
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397 | tr_strlcpy( tor->errorString, event->text, sizeof( tor->errorString ) ); |
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398 | break; |
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399 | |
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400 | case TR_TRACKER_ERROR: |
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401 | tr_torerr( tor, _( "Tracker error: \"%s\"" ), event->text ); |
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402 | tor->error = TR_STAT_TRACKER_ERROR; |
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403 | tr_strlcpy( tor->errorTracker, event->tracker, sizeof( tor->errorTracker ) ); |
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404 | tr_strlcpy( tor->errorString, event->text, sizeof( tor->errorString ) ); |
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405 | break; |
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406 | |
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407 | case TR_TRACKER_ERROR_CLEAR: |
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408 | if( tor->error != TR_STAT_LOCAL_ERROR ) |
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409 | tr_torrentClearError( tor ); |
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410 | break; |
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411 | } |
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412 | } |
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413 | |
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414 | /*** |
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415 | **** |
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416 | **** TORRENT INSTANTIATION |
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417 | **** |
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418 | ***/ |
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419 | |
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420 | static int |
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421 | getBytePiece( const tr_info * info, |
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422 | uint64_t byteOffset ) |
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423 | { |
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424 | assert( info ); |
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425 | assert( info->pieceSize != 0 ); |
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426 | |
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427 | return byteOffset / info->pieceSize; |
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428 | } |
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429 | |
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430 | static void |
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431 | initFilePieces( tr_info * info, |
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432 | tr_file_index_t fileIndex ) |
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433 | { |
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434 | tr_file * file; |
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435 | uint64_t firstByte, lastByte; |
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436 | |
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437 | assert( info ); |
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438 | assert( fileIndex < info->fileCount ); |
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439 | |
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440 | file = &info->files[fileIndex]; |
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441 | firstByte = file->offset; |
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442 | lastByte = firstByte + ( file->length ? file->length - 1 : 0 ); |
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443 | file->firstPiece = getBytePiece( info, firstByte ); |
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444 | file->lastPiece = getBytePiece( info, lastByte ); |
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445 | } |
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446 | |
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447 | static int |
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448 | pieceHasFile( tr_piece_index_t piece, |
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449 | const tr_file * file ) |
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450 | { |
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451 | return ( file->firstPiece <= piece ) && ( piece <= file->lastPiece ); |
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452 | } |
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453 | |
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454 | static tr_priority_t |
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455 | calculatePiecePriority( const tr_torrent * tor, |
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456 | tr_piece_index_t piece, |
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457 | int fileHint ) |
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458 | { |
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459 | tr_file_index_t i; |
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460 | int priority = TR_PRI_LOW; |
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461 | |
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462 | /* find the first file that has data in this piece */ |
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463 | if( fileHint >= 0 ) { |
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464 | i = fileHint; |
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465 | while( i > 0 && pieceHasFile( piece, &tor->info.files[i - 1] ) ) |
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466 | --i; |
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467 | } else { |
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468 | for( i = 0; i < tor->info.fileCount; ++i ) |
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469 | if( pieceHasFile( piece, &tor->info.files[i] ) ) |
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470 | break; |
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471 | } |
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472 | |
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473 | /* the piece's priority is the max of the priorities |
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474 | * of all the files in that piece */ |
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475 | for( ; i < tor->info.fileCount; ++i ) |
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476 | { |
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477 | const tr_file * file = &tor->info.files[i]; |
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478 | |
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479 | if( !pieceHasFile( piece, file ) ) |
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480 | break; |
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481 | |
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482 | priority = MAX( priority, file->priority ); |
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483 | |
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484 | /* when dealing with multimedia files, getting the first and |
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485 | last pieces can sometimes allow you to preview it a bit |
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486 | before it's fully downloaded... */ |
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487 | if( file->priority >= TR_PRI_NORMAL ) |
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488 | if( file->firstPiece == piece || file->lastPiece == piece ) |
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489 | priority = TR_PRI_HIGH; |
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490 | } |
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491 | |
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492 | return priority; |
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493 | } |
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494 | |
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495 | static void |
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496 | tr_torrentInitFilePieces( tr_torrent * tor ) |
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497 | { |
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498 | tr_file_index_t f; |
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499 | tr_piece_index_t p; |
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500 | uint64_t offset = 0; |
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501 | tr_info * inf = &tor->info; |
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502 | int * firstFiles; |
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503 | |
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504 | /* assign the file offsets */ |
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505 | for( f=0; f<inf->fileCount; ++f ) { |
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506 | inf->files[f].offset = offset; |
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507 | offset += inf->files[f].length; |
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508 | initFilePieces( inf, f ); |
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509 | } |
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510 | |
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511 | /* build the array of first-file hints to give calculatePiecePriority */ |
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512 | firstFiles = tr_new( int, inf->pieceCount ); |
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513 | for( p=f=0; p<inf->pieceCount; ++p ) { |
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514 | while( inf->files[f].lastPiece < p ) |
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515 | ++f; |
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516 | firstFiles[p] = f; |
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517 | } |
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518 | |
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519 | #if 0 |
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520 | /* test to confirm the first-file hints are correct */ |
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521 | for( p=0; p<inf->pieceCount; ++p ) { |
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522 | f = firstFiles[p]; |
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523 | assert( inf->files[f].firstPiece <= p ); |
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524 | assert( inf->files[f].lastPiece >= p ); |
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525 | if( f > 0 ) |
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526 | assert( inf->files[f-1].lastPiece < p ); |
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527 | for( f=0; f<inf->fileCount; ++f ) |
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528 | if( pieceHasFile( p, &inf->files[f] ) ) |
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529 | break; |
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530 | assert( (int)f == firstFiles[p] ); |
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531 | } |
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532 | #endif |
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533 | |
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534 | for( p=0; p<inf->pieceCount; ++p ) |
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535 | inf->pieces[p].priority = calculatePiecePriority( tor, p, firstFiles[p] ); |
---|
536 | |
---|
537 | tr_free( firstFiles ); |
---|
538 | } |
---|
539 | |
---|
540 | static void torrentStart( tr_torrent * tor ); |
---|
541 | |
---|
542 | /** |
---|
543 | * Decide on a block size. constraints: |
---|
544 | * (1) most clients decline requests over 16 KiB |
---|
545 | * (2) pieceSize must be a multiple of block size |
---|
546 | */ |
---|
547 | static uint32_t |
---|
548 | getBlockSize( uint32_t pieceSize ) |
---|
549 | { |
---|
550 | uint32_t b = pieceSize; |
---|
551 | |
---|
552 | while( b > MAX_BLOCK_SIZE ) |
---|
553 | b /= 2u; |
---|
554 | |
---|
555 | if( !b || ( pieceSize % b ) ) /* not cleanly divisible */ |
---|
556 | return 0; |
---|
557 | return b; |
---|
558 | } |
---|
559 | |
---|
560 | static void refreshCurrentDir( tr_torrent * tor ); |
---|
561 | |
---|
562 | static void |
---|
563 | torrentInitFromInfo( tr_torrent * tor ) |
---|
564 | { |
---|
565 | uint64_t t; |
---|
566 | tr_info * info = &tor->info; |
---|
567 | |
---|
568 | tor->blockSize = getBlockSize( info->pieceSize ); |
---|
569 | |
---|
570 | if( info->pieceSize ) |
---|
571 | tor->lastPieceSize = info->totalSize % info->pieceSize; |
---|
572 | |
---|
573 | if( !tor->lastPieceSize ) |
---|
574 | tor->lastPieceSize = info->pieceSize; |
---|
575 | |
---|
576 | if( tor->blockSize ) |
---|
577 | tor->lastBlockSize = info->totalSize % tor->blockSize; |
---|
578 | |
---|
579 | if( !tor->lastBlockSize ) |
---|
580 | tor->lastBlockSize = tor->blockSize; |
---|
581 | |
---|
582 | tor->blockCount = tor->blockSize |
---|
583 | ? ( info->totalSize + tor->blockSize - 1 ) / tor->blockSize |
---|
584 | : 0; |
---|
585 | |
---|
586 | tor->blockCountInPiece = tor->blockSize |
---|
587 | ? info->pieceSize / tor->blockSize |
---|
588 | : 0; |
---|
589 | |
---|
590 | tor->blockCountInLastPiece = tor->blockSize |
---|
591 | ? ( tor->lastPieceSize + tor->blockSize - 1 ) / tor->blockSize |
---|
592 | : 0; |
---|
593 | |
---|
594 | /* check our work */ |
---|
595 | if( tor->blockSize != 0 ) |
---|
596 | assert( ( info->pieceSize % tor->blockSize ) == 0 ); |
---|
597 | t = info->pieceCount - 1; |
---|
598 | t *= info->pieceSize; |
---|
599 | t += tor->lastPieceSize; |
---|
600 | assert( t == info->totalSize ); |
---|
601 | t = tor->blockCount - 1; |
---|
602 | t *= tor->blockSize; |
---|
603 | t += tor->lastBlockSize; |
---|
604 | assert( t == info->totalSize ); |
---|
605 | t = info->pieceCount - 1; |
---|
606 | t *= tor->blockCountInPiece; |
---|
607 | t += tor->blockCountInLastPiece; |
---|
608 | assert( t == (uint64_t)tor->blockCount ); |
---|
609 | |
---|
610 | tr_cpConstruct( &tor->completion, tor ); |
---|
611 | |
---|
612 | tr_torrentInitFilePieces( tor ); |
---|
613 | |
---|
614 | tr_bitfieldConstruct( &tor->checkedPieces, tor->info.pieceCount ); |
---|
615 | |
---|
616 | tor->completeness = tr_cpGetStatus( &tor->completion ); |
---|
617 | } |
---|
618 | |
---|
619 | static void tr_torrentFireMetadataCompleted( tr_torrent * tor ); |
---|
620 | |
---|
621 | void |
---|
622 | tr_torrentGotNewInfoDict( tr_torrent * tor ) |
---|
623 | { |
---|
624 | torrentInitFromInfo( tor ); |
---|
625 | |
---|
626 | tr_torrentFireMetadataCompleted( tor ); |
---|
627 | } |
---|
628 | |
---|
629 | static void |
---|
630 | torrentInit( tr_torrent * tor, const tr_ctor * ctor ) |
---|
631 | { |
---|
632 | int doStart; |
---|
633 | uint64_t loaded; |
---|
634 | const char * dir; |
---|
635 | static int nextUniqueId = 1; |
---|
636 | tr_session * session = tr_ctorGetSession( ctor ); |
---|
637 | |
---|
638 | assert( session != NULL ); |
---|
639 | |
---|
640 | tr_sessionLock( session ); |
---|
641 | |
---|
642 | tor->session = session; |
---|
643 | tor->uniqueId = nextUniqueId++; |
---|
644 | tor->magicNumber = TORRENT_MAGIC_NUMBER; |
---|
645 | |
---|
646 | tr_sha1( tor->obfuscatedHash, "req2", 4, |
---|
647 | tor->info.hash, SHA_DIGEST_LENGTH, |
---|
648 | NULL ); |
---|
649 | |
---|
650 | if( !tr_ctorGetDownloadDir( ctor, TR_FORCE, &dir ) || |
---|
651 | !tr_ctorGetDownloadDir( ctor, TR_FALLBACK, &dir ) ) |
---|
652 | tor->downloadDir = tr_strdup( dir ); |
---|
653 | |
---|
654 | if( tr_ctorGetIncompleteDir( ctor, &dir ) ) |
---|
655 | dir = tr_sessionGetIncompleteDir( session ); |
---|
656 | if( tr_sessionIsIncompleteDirEnabled( session ) ) |
---|
657 | tor->incompleteDir = tr_strdup( dir ); |
---|
658 | |
---|
659 | tor->bandwidth = tr_bandwidthNew( session, session->bandwidth ); |
---|
660 | |
---|
661 | tor->bandwidth->priority = tr_ctorGetBandwidthPriority( ctor ); |
---|
662 | |
---|
663 | tor->error = TR_STAT_OK; |
---|
664 | |
---|
665 | tr_peerMgrAddTorrent( session->peerMgr, tor ); |
---|
666 | |
---|
667 | assert( !tor->downloadedCur ); |
---|
668 | assert( !tor->uploadedCur ); |
---|
669 | |
---|
670 | tr_torrentUncheck( tor ); |
---|
671 | |
---|
672 | tr_torrentSetAddedDate( tor, tr_time( ) ); /* this is a default value to be |
---|
673 | overwritten by the resume file */ |
---|
674 | |
---|
675 | torrentInitFromInfo( tor ); |
---|
676 | loaded = tr_torrentLoadResume( tor, ~0, ctor ); |
---|
677 | tor->completeness = tr_cpGetStatus( &tor->completion ); |
---|
678 | |
---|
679 | tr_ctorInitTorrentPriorities( ctor, tor ); |
---|
680 | tr_ctorInitTorrentWanted( ctor, tor ); |
---|
681 | |
---|
682 | refreshCurrentDir( tor ); |
---|
683 | |
---|
684 | doStart = tor->isRunning; |
---|
685 | tor->isRunning = 0; |
---|
686 | |
---|
687 | if( !( loaded & TR_FR_SPEEDLIMIT ) ) |
---|
688 | { |
---|
689 | tr_torrentUseSpeedLimit( tor, TR_UP, FALSE ); |
---|
690 | tr_torrentSetSpeedLimit( tor, TR_UP, tr_sessionGetSpeedLimit( tor->session, TR_UP ) ); |
---|
691 | tr_torrentUseSpeedLimit( tor, TR_DOWN, FALSE ); |
---|
692 | tr_torrentSetSpeedLimit( tor, TR_DOWN, tr_sessionGetSpeedLimit( tor->session, TR_DOWN ) ); |
---|
693 | tr_torrentUseSessionLimits( tor, TRUE ); |
---|
694 | } |
---|
695 | |
---|
696 | if( !( loaded & TR_FR_RATIOLIMIT ) ) |
---|
697 | { |
---|
698 | tr_torrentSetRatioMode( tor, TR_RATIOLIMIT_GLOBAL ); |
---|
699 | tr_torrentSetRatioLimit( tor, tr_sessionGetRatioLimit( tor->session ) ); |
---|
700 | } |
---|
701 | |
---|
702 | { |
---|
703 | tr_torrent * it = NULL; |
---|
704 | tr_torrent * last = NULL; |
---|
705 | while( ( it = tr_torrentNext( session, it ) ) ) |
---|
706 | last = it; |
---|
707 | |
---|
708 | if( !last ) |
---|
709 | session->torrentList = tor; |
---|
710 | else |
---|
711 | last->next = tor; |
---|
712 | ++session->torrentCount; |
---|
713 | } |
---|
714 | |
---|
715 | /* maybe save our own copy of the metainfo */ |
---|
716 | if( tr_ctorGetSave( ctor ) ) |
---|
717 | { |
---|
718 | const tr_benc * val; |
---|
719 | if( !tr_ctorGetMetainfo( ctor, &val ) ) |
---|
720 | { |
---|
721 | const char * path = tor->info.torrent; |
---|
722 | const int err = tr_bencToFile( val, TR_FMT_BENC, path ); |
---|
723 | if( err ) |
---|
724 | tr_torrentSetLocalError( tor, "Unable to save torrent file: %s", tr_strerror( err ) ); |
---|
725 | tr_sessionSetTorrentFile( tor->session, tor->info.hashString, path ); |
---|
726 | } |
---|
727 | } |
---|
728 | |
---|
729 | tor->tiers = tr_announcerAddTorrent( tor->session->announcer, tor ); |
---|
730 | tor->tiersSubscription = tr_announcerSubscribe( tor->tiers, onTrackerResponse, tor ); |
---|
731 | |
---|
732 | if( doStart ) |
---|
733 | torrentStart( tor ); |
---|
734 | |
---|
735 | tr_sessionUnlock( session ); |
---|
736 | } |
---|
737 | |
---|
738 | static tr_parse_result |
---|
739 | torrentParseImpl( const tr_ctor * ctor, tr_info * setmeInfo, |
---|
740 | tr_bool * setmeHasInfo, int * dictOffset, int * dictLength ) |
---|
741 | { |
---|
742 | int doFree; |
---|
743 | tr_bool didParse; |
---|
744 | tr_bool hasInfo = FALSE; |
---|
745 | tr_info tmp; |
---|
746 | const tr_benc * metainfo; |
---|
747 | tr_session * session = tr_ctorGetSession( ctor ); |
---|
748 | tr_parse_result result = TR_PARSE_OK; |
---|
749 | |
---|
750 | if( setmeInfo == NULL ) |
---|
751 | setmeInfo = &tmp; |
---|
752 | memset( setmeInfo, 0, sizeof( tr_info ) ); |
---|
753 | |
---|
754 | if( tr_ctorGetMetainfo( ctor, &metainfo ) ) |
---|
755 | return TR_PARSE_ERR; |
---|
756 | |
---|
757 | didParse = tr_metainfoParse( session, metainfo, setmeInfo, |
---|
758 | &hasInfo, dictOffset, dictLength ); |
---|
759 | doFree = didParse && ( setmeInfo == &tmp ); |
---|
760 | |
---|
761 | if( !didParse ) |
---|
762 | result = TR_PARSE_ERR; |
---|
763 | |
---|
764 | if( didParse && hasInfo && !getBlockSize( setmeInfo->pieceSize ) ) |
---|
765 | result = TR_PARSE_ERR; |
---|
766 | |
---|
767 | if( didParse && session && tr_torrentExists( session, setmeInfo->hash ) ) |
---|
768 | result = TR_PARSE_DUPLICATE; |
---|
769 | |
---|
770 | if( doFree ) |
---|
771 | tr_metainfoFree( setmeInfo ); |
---|
772 | |
---|
773 | if( setmeHasInfo != NULL ) |
---|
774 | *setmeHasInfo = hasInfo; |
---|
775 | |
---|
776 | return result; |
---|
777 | } |
---|
778 | |
---|
779 | tr_parse_result |
---|
780 | tr_torrentParse( const tr_ctor * ctor, tr_info * setmeInfo ) |
---|
781 | { |
---|
782 | return torrentParseImpl( ctor, setmeInfo, NULL, NULL, NULL ); |
---|
783 | } |
---|
784 | |
---|
785 | tr_torrent * |
---|
786 | tr_torrentNew( const tr_ctor * ctor, int * setmeError ) |
---|
787 | { |
---|
788 | int off, len; |
---|
789 | tr_bool hasInfo; |
---|
790 | tr_info tmpInfo; |
---|
791 | tr_parse_result r; |
---|
792 | tr_torrent * tor = NULL; |
---|
793 | |
---|
794 | assert( ctor != NULL ); |
---|
795 | assert( tr_isSession( tr_ctorGetSession( ctor ) ) ); |
---|
796 | |
---|
797 | r = torrentParseImpl( ctor, &tmpInfo, &hasInfo, &off, &len ); |
---|
798 | if( r == TR_PARSE_OK ) |
---|
799 | { |
---|
800 | tor = tr_new0( tr_torrent, 1 ); |
---|
801 | tor->info = tmpInfo; |
---|
802 | if( hasInfo ) |
---|
803 | { |
---|
804 | tor->infoDictOffset = off; |
---|
805 | tor->infoDictLength = len; |
---|
806 | } |
---|
807 | torrentInit( tor, ctor ); |
---|
808 | } |
---|
809 | else |
---|
810 | { |
---|
811 | if( r == TR_PARSE_DUPLICATE ) |
---|
812 | tr_metainfoFree( &tmpInfo ); |
---|
813 | |
---|
814 | if( setmeError ) |
---|
815 | *setmeError = r; |
---|
816 | } |
---|
817 | |
---|
818 | return tor; |
---|
819 | } |
---|
820 | |
---|
821 | /** |
---|
822 | *** |
---|
823 | **/ |
---|
824 | |
---|
825 | void |
---|
826 | tr_torrentSetDownloadDir( tr_torrent * tor, const char * path ) |
---|
827 | { |
---|
828 | assert( tr_isTorrent( tor ) ); |
---|
829 | |
---|
830 | if( !path || !tor->downloadDir || strcmp( path, tor->downloadDir ) ) |
---|
831 | { |
---|
832 | tr_free( tor->downloadDir ); |
---|
833 | tor->downloadDir = tr_strdup( path ); |
---|
834 | tr_torrentSetDirty( tor ); |
---|
835 | } |
---|
836 | |
---|
837 | refreshCurrentDir( tor ); |
---|
838 | } |
---|
839 | |
---|
840 | const char* |
---|
841 | tr_torrentGetDownloadDir( const tr_torrent * tor ) |
---|
842 | { |
---|
843 | assert( tr_isTorrent( tor ) ); |
---|
844 | |
---|
845 | return tor->downloadDir; |
---|
846 | } |
---|
847 | |
---|
848 | const char * |
---|
849 | tr_torrentGetCurrentDir( const tr_torrent * tor ) |
---|
850 | { |
---|
851 | assert( tr_isTorrent( tor ) ); |
---|
852 | |
---|
853 | return tor->currentDir; |
---|
854 | } |
---|
855 | |
---|
856 | |
---|
857 | void |
---|
858 | tr_torrentChangeMyPort( tr_torrent * tor ) |
---|
859 | { |
---|
860 | assert( tr_isTorrent( tor ) ); |
---|
861 | |
---|
862 | if( tor->isRunning ) |
---|
863 | tr_announcerChangeMyPort( tor ); |
---|
864 | } |
---|
865 | |
---|
866 | static inline void |
---|
867 | tr_torrentManualUpdateImpl( void * vtor ) |
---|
868 | { |
---|
869 | tr_torrent * tor = vtor; |
---|
870 | |
---|
871 | assert( tr_isTorrent( tor ) ); |
---|
872 | |
---|
873 | if( tor->isRunning ) |
---|
874 | tr_announcerManualAnnounce( tor ); |
---|
875 | } |
---|
876 | |
---|
877 | void |
---|
878 | tr_torrentManualUpdate( tr_torrent * tor ) |
---|
879 | { |
---|
880 | assert( tr_isTorrent( tor ) ); |
---|
881 | |
---|
882 | tr_runInEventThread( tor->session, tr_torrentManualUpdateImpl, tor ); |
---|
883 | } |
---|
884 | |
---|
885 | tr_bool |
---|
886 | tr_torrentCanManualUpdate( const tr_torrent * tor ) |
---|
887 | { |
---|
888 | return ( tr_isTorrent( tor ) ) |
---|
889 | && ( tor->isRunning ) |
---|
890 | && ( tr_announcerCanManualAnnounce( tor ) ); |
---|
891 | } |
---|
892 | |
---|
893 | const tr_info * |
---|
894 | tr_torrentInfo( const tr_torrent * tor ) |
---|
895 | { |
---|
896 | return tr_isTorrent( tor ) ? &tor->info : NULL; |
---|
897 | } |
---|
898 | |
---|
899 | const tr_stat * |
---|
900 | tr_torrentStatCached( tr_torrent * tor ) |
---|
901 | { |
---|
902 | const time_t now = tr_time( ); |
---|
903 | |
---|
904 | return tr_isTorrent( tor ) && ( now == tor->lastStatTime ) |
---|
905 | ? &tor->stats |
---|
906 | : tr_torrentStat( tor ); |
---|
907 | } |
---|
908 | |
---|
909 | void |
---|
910 | tr_torrentSetVerifyState( tr_torrent * tor, tr_verify_state state ) |
---|
911 | { |
---|
912 | assert( tr_isTorrent( tor ) ); |
---|
913 | assert( state==TR_VERIFY_NONE || state==TR_VERIFY_WAIT || state==TR_VERIFY_NOW ); |
---|
914 | |
---|
915 | tor->verifyState = state; |
---|
916 | tor->anyDate = tr_time( ); |
---|
917 | } |
---|
918 | |
---|
919 | tr_torrent_activity |
---|
920 | tr_torrentGetActivity( tr_torrent * tor ) |
---|
921 | { |
---|
922 | assert( tr_isTorrent( tor ) ); |
---|
923 | |
---|
924 | tr_torrentRecheckCompleteness( tor ); |
---|
925 | |
---|
926 | if( tor->verifyState == TR_VERIFY_NOW ) |
---|
927 | return TR_STATUS_CHECK; |
---|
928 | if( tor->verifyState == TR_VERIFY_WAIT ) |
---|
929 | return TR_STATUS_CHECK_WAIT; |
---|
930 | if( !tor->isRunning ) |
---|
931 | return TR_STATUS_STOPPED; |
---|
932 | if( tor->completeness == TR_LEECH ) |
---|
933 | return TR_STATUS_DOWNLOAD; |
---|
934 | |
---|
935 | return TR_STATUS_SEED; |
---|
936 | } |
---|
937 | |
---|
938 | const tr_stat * |
---|
939 | tr_torrentStat( tr_torrent * tor ) |
---|
940 | { |
---|
941 | tr_stat * s; |
---|
942 | int usableSeeds; |
---|
943 | uint64_t now; |
---|
944 | double d; |
---|
945 | uint64_t seedRatioBytesLeft; |
---|
946 | uint64_t seedRatioBytesGoal; |
---|
947 | tr_bool seedRatioApplies; |
---|
948 | |
---|
949 | if( !tor ) |
---|
950 | return NULL; |
---|
951 | |
---|
952 | assert( tr_isTorrent( tor ) ); |
---|
953 | tr_torrentLock( tor ); |
---|
954 | |
---|
955 | tor->lastStatTime = tr_time( ); |
---|
956 | |
---|
957 | s = &tor->stats; |
---|
958 | s->id = tor->uniqueId; |
---|
959 | s->activity = tr_torrentGetActivity( tor ); |
---|
960 | s->error = tor->error; |
---|
961 | memcpy( s->errorString, tor->errorString, sizeof( s->errorString ) ); |
---|
962 | |
---|
963 | s->manualAnnounceTime = tr_announcerNextManualAnnounce( tor ); |
---|
964 | |
---|
965 | tr_peerMgrTorrentStats( tor, |
---|
966 | &s->peersKnown, |
---|
967 | &s->peersConnected, |
---|
968 | &usableSeeds, |
---|
969 | &s->webseedsSendingToUs, |
---|
970 | &s->peersSendingToUs, |
---|
971 | &s->peersGettingFromUs, |
---|
972 | s->peersFrom ); |
---|
973 | |
---|
974 | now = tr_date( ); |
---|
975 | d = tr_peerMgrGetWebseedSpeed( tor, now ); |
---|
976 | s->rawUploadSpeed = tr_bandwidthGetRawSpeed ( tor->bandwidth, now, TR_UP ); |
---|
977 | s->pieceUploadSpeed = tr_bandwidthGetPieceSpeed( tor->bandwidth, now, TR_UP ); |
---|
978 | s->rawDownloadSpeed = d + tr_bandwidthGetRawSpeed ( tor->bandwidth, now, TR_DOWN ); |
---|
979 | s->pieceDownloadSpeed = d + tr_bandwidthGetPieceSpeed( tor->bandwidth, now, TR_DOWN ); |
---|
980 | |
---|
981 | usableSeeds += tor->info.webseedCount; |
---|
982 | |
---|
983 | s->percentComplete = tr_cpPercentComplete ( &tor->completion ); |
---|
984 | s->metadataPercentComplete = tr_torrentGetMetadataPercent( tor ); |
---|
985 | |
---|
986 | s->percentDone = tr_cpPercentDone ( &tor->completion ); |
---|
987 | s->leftUntilDone = tr_cpLeftUntilDone( &tor->completion ); |
---|
988 | s->sizeWhenDone = tr_cpSizeWhenDone ( &tor->completion ); |
---|
989 | |
---|
990 | s->recheckProgress = s->activity == TR_STATUS_CHECK |
---|
991 | ? 1.0 - |
---|
992 | ( tr_torrentCountUncheckedPieces( tor ) / |
---|
993 | (double) tor->info.pieceCount ) |
---|
994 | : 0.0; |
---|
995 | |
---|
996 | s->activityDate = tor->activityDate; |
---|
997 | s->addedDate = tor->addedDate; |
---|
998 | s->doneDate = tor->doneDate; |
---|
999 | s->startDate = tor->startDate; |
---|
1000 | |
---|
1001 | s->corruptEver = tor->corruptCur + tor->corruptPrev; |
---|
1002 | s->downloadedEver = tor->downloadedCur + tor->downloadedPrev; |
---|
1003 | s->uploadedEver = tor->uploadedCur + tor->uploadedPrev; |
---|
1004 | s->haveValid = tr_cpHaveValid( &tor->completion ); |
---|
1005 | s->haveUnchecked = tr_cpHaveTotal( &tor->completion ) - s->haveValid; |
---|
1006 | |
---|
1007 | if( usableSeeds > 0 ) |
---|
1008 | { |
---|
1009 | s->desiredAvailable = s->leftUntilDone; |
---|
1010 | } |
---|
1011 | else if( !s->leftUntilDone || !s->peersConnected ) |
---|
1012 | { |
---|
1013 | s->desiredAvailable = 0; |
---|
1014 | } |
---|
1015 | else |
---|
1016 | { |
---|
1017 | tr_piece_index_t i; |
---|
1018 | tr_bitfield * peerPieces = tr_peerMgrGetAvailable( tor ); |
---|
1019 | s->desiredAvailable = 0; |
---|
1020 | for( i = 0; i < tor->info.pieceCount; ++i ) |
---|
1021 | if( !tor->info.pieces[i].dnd && tr_bitfieldHasFast( peerPieces, i ) ) |
---|
1022 | s->desiredAvailable += tr_cpMissingBlocksInPiece( &tor->completion, i ); |
---|
1023 | s->desiredAvailable *= tor->blockSize; |
---|
1024 | tr_bitfieldFree( peerPieces ); |
---|
1025 | } |
---|
1026 | |
---|
1027 | s->ratio = tr_getRatio( s->uploadedEver, |
---|
1028 | s->downloadedEver ? s->downloadedEver : s->haveValid ); |
---|
1029 | |
---|
1030 | seedRatioApplies = tr_torrentGetSeedRatioBytes( tor, &seedRatioBytesLeft, |
---|
1031 | &seedRatioBytesGoal ); |
---|
1032 | |
---|
1033 | switch( s->activity ) |
---|
1034 | { |
---|
1035 | /* etaXLSpeed exists because if we use the piece speed directly, |
---|
1036 | * brief fluctuations cause the ETA to jump all over the place. |
---|
1037 | * so, etaXLSpeed is a smoothed-out version of the piece speed |
---|
1038 | * to dampen the effect of fluctuations */ |
---|
1039 | |
---|
1040 | case TR_STATUS_DOWNLOAD: |
---|
1041 | if( ( tor->etaDLSpeedCalculatedAt + 800 ) < now ) { |
---|
1042 | tor->etaDLSpeed = ( ( tor->etaDLSpeedCalculatedAt + 4000 ) < now ) |
---|
1043 | ? s->pieceDownloadSpeed /* if no recent previous speed, no need to smooth */ |
---|
1044 | : 0.8*tor->etaDLSpeed + 0.2*s->pieceDownloadSpeed; /* smooth across 5 readings */ |
---|
1045 | tor->etaDLSpeedCalculatedAt = now; |
---|
1046 | } |
---|
1047 | |
---|
1048 | if( s->leftUntilDone > s->desiredAvailable ) |
---|
1049 | s->eta = TR_ETA_NOT_AVAIL; |
---|
1050 | else if( s->pieceDownloadSpeed < 0.1 ) |
---|
1051 | s->eta = TR_ETA_UNKNOWN; |
---|
1052 | else |
---|
1053 | s->eta = s->leftUntilDone / tor->etaDLSpeed / 1024.0; |
---|
1054 | break; |
---|
1055 | |
---|
1056 | case TR_STATUS_SEED: { |
---|
1057 | if( !seedRatioApplies ) |
---|
1058 | s->eta = TR_ETA_NOT_AVAIL; |
---|
1059 | else { |
---|
1060 | if( ( tor->etaULSpeedCalculatedAt + 800 ) < now ) { |
---|
1061 | tor->etaULSpeed = ( ( tor->etaULSpeedCalculatedAt + 4000 ) < now ) |
---|
1062 | ? s->pieceUploadSpeed /* if no recent previous speed, no need to smooth */ |
---|
1063 | : 0.8*tor->etaULSpeed + 0.2*s->pieceUploadSpeed; /* smooth across 5 readings */ |
---|
1064 | tor->etaULSpeedCalculatedAt = now; |
---|
1065 | } |
---|
1066 | if( s->pieceUploadSpeed < 0.1 ) |
---|
1067 | s->eta = TR_ETA_UNKNOWN; |
---|
1068 | else |
---|
1069 | s->eta = seedRatioBytesLeft / tor->etaULSpeed / 1024.0; |
---|
1070 | } |
---|
1071 | break; |
---|
1072 | } |
---|
1073 | |
---|
1074 | default: |
---|
1075 | s->eta = TR_ETA_NOT_AVAIL; |
---|
1076 | break; |
---|
1077 | } |
---|
1078 | |
---|
1079 | /* s->haveValid is here to make sure a torrent isn't marked 'finished' |
---|
1080 | * when the user hits "uncheck all" prior to starting the torrent... */ |
---|
1081 | s->finished = seedRatioApplies && !seedRatioBytesLeft && s->haveValid; |
---|
1082 | |
---|
1083 | if( !seedRatioApplies || s->finished ) |
---|
1084 | s->seedRatioPercentDone = 1; |
---|
1085 | else if( !seedRatioBytesGoal ) /* impossible? safeguard for div by zero */ |
---|
1086 | s->seedRatioPercentDone = 0; |
---|
1087 | else |
---|
1088 | s->seedRatioPercentDone = (double)(seedRatioBytesGoal - seedRatioBytesLeft) / seedRatioBytesGoal; |
---|
1089 | |
---|
1090 | tr_torrentUnlock( tor ); |
---|
1091 | |
---|
1092 | return s; |
---|
1093 | } |
---|
1094 | |
---|
1095 | /*** |
---|
1096 | **** |
---|
1097 | ***/ |
---|
1098 | |
---|
1099 | static uint64_t |
---|
1100 | fileBytesCompleted( const tr_torrent * tor, tr_file_index_t index ) |
---|
1101 | { |
---|
1102 | uint64_t total = 0; |
---|
1103 | const tr_file * f = &tor->info.files[index]; |
---|
1104 | |
---|
1105 | if( f->length ) |
---|
1106 | { |
---|
1107 | const tr_block_index_t firstBlock = f->offset / tor->blockSize; |
---|
1108 | const uint64_t lastByte = f->offset + f->length - 1; |
---|
1109 | const tr_block_index_t lastBlock = lastByte / tor->blockSize; |
---|
1110 | |
---|
1111 | if( firstBlock == lastBlock ) |
---|
1112 | { |
---|
1113 | if( tr_cpBlockIsCompleteFast( &tor->completion, firstBlock ) ) |
---|
1114 | total = f->length; |
---|
1115 | } |
---|
1116 | else |
---|
1117 | { |
---|
1118 | tr_block_index_t i; |
---|
1119 | |
---|
1120 | /* the first block */ |
---|
1121 | if( tr_cpBlockIsCompleteFast( &tor->completion, firstBlock ) ) |
---|
1122 | total += tor->blockSize - ( f->offset % tor->blockSize ); |
---|
1123 | |
---|
1124 | /* the middle blocks */ |
---|
1125 | if( f->firstPiece == f->lastPiece ) |
---|
1126 | { |
---|
1127 | for( i=firstBlock+1; i<lastBlock; ++i ) |
---|
1128 | if( tr_cpBlockIsCompleteFast( &tor->completion, i ) ) |
---|
1129 | total += tor->blockSize; |
---|
1130 | } |
---|
1131 | else |
---|
1132 | { |
---|
1133 | uint64_t b = 0; |
---|
1134 | const tr_block_index_t firstBlockOfLastPiece |
---|
1135 | = tr_torPieceFirstBlock( tor, f->lastPiece ); |
---|
1136 | const tr_block_index_t lastBlockOfFirstPiece |
---|
1137 | = tr_torPieceFirstBlock( tor, f->firstPiece ) |
---|
1138 | + tr_torPieceCountBlocks( tor, f->firstPiece ) - 1; |
---|
1139 | |
---|
1140 | /* the rest of the first piece */ |
---|
1141 | for( i=firstBlock+1; i<lastBlock && i<=lastBlockOfFirstPiece; ++i ) |
---|
1142 | if( tr_cpBlockIsCompleteFast( &tor->completion, i ) ) |
---|
1143 | ++b; |
---|
1144 | |
---|
1145 | /* the middle pieces */ |
---|
1146 | if( f->firstPiece + 1 < f->lastPiece ) |
---|
1147 | for( i=f->firstPiece+1; i<f->lastPiece; ++i ) |
---|
1148 | b += tor->blockCountInPiece - tr_cpMissingBlocksInPiece( &tor->completion, i ); |
---|
1149 | |
---|
1150 | /* the rest of the last piece */ |
---|
1151 | for( i=firstBlockOfLastPiece; i<lastBlock; ++i ) |
---|
1152 | if( tr_cpBlockIsCompleteFast( &tor->completion, i ) ) |
---|
1153 | ++b; |
---|
1154 | |
---|
1155 | b *= tor->blockSize; |
---|
1156 | total += b; |
---|
1157 | } |
---|
1158 | |
---|
1159 | /* the last block */ |
---|
1160 | if( tr_cpBlockIsCompleteFast( &tor->completion, lastBlock ) ) |
---|
1161 | total += ( f->offset + f->length ) - ( tor->blockSize * lastBlock ); |
---|
1162 | } |
---|
1163 | } |
---|
1164 | |
---|
1165 | return total; |
---|
1166 | } |
---|
1167 | |
---|
1168 | tr_file_stat * |
---|
1169 | tr_torrentFiles( const tr_torrent * tor, |
---|
1170 | tr_file_index_t * fileCount ) |
---|
1171 | { |
---|
1172 | tr_file_index_t i; |
---|
1173 | const tr_file_index_t n = tor->info.fileCount; |
---|
1174 | tr_file_stat * files = tr_new0( tr_file_stat, n ); |
---|
1175 | tr_file_stat * walk = files; |
---|
1176 | const tr_bool isSeed = tor->completeness == TR_SEED; |
---|
1177 | |
---|
1178 | assert( tr_isTorrent( tor ) ); |
---|
1179 | |
---|
1180 | for( i=0; i<n; ++i, ++walk ) { |
---|
1181 | const uint64_t b = isSeed ? tor->info.files[i].length : fileBytesCompleted( tor, i ); |
---|
1182 | walk->bytesCompleted = b; |
---|
1183 | walk->progress = tor->info.files[i].length > 0 ? ( (float)b / tor->info.files[i].length ) : 1.0; |
---|
1184 | } |
---|
1185 | |
---|
1186 | if( fileCount ) |
---|
1187 | *fileCount = n; |
---|
1188 | |
---|
1189 | return files; |
---|
1190 | } |
---|
1191 | |
---|
1192 | void |
---|
1193 | tr_torrentFilesFree( tr_file_stat * files, |
---|
1194 | tr_file_index_t fileCount UNUSED ) |
---|
1195 | { |
---|
1196 | tr_free( files ); |
---|
1197 | } |
---|
1198 | |
---|
1199 | /*** |
---|
1200 | **** |
---|
1201 | ***/ |
---|
1202 | |
---|
1203 | float* |
---|
1204 | tr_torrentWebSpeeds( const tr_torrent * tor ) |
---|
1205 | { |
---|
1206 | return tr_isTorrent( tor ) |
---|
1207 | ? tr_peerMgrWebSpeeds( tor ) |
---|
1208 | : NULL; |
---|
1209 | } |
---|
1210 | |
---|
1211 | tr_peer_stat * |
---|
1212 | tr_torrentPeers( const tr_torrent * tor, |
---|
1213 | int * peerCount ) |
---|
1214 | { |
---|
1215 | tr_peer_stat * ret = NULL; |
---|
1216 | |
---|
1217 | if( tr_isTorrent( tor ) ) |
---|
1218 | ret = tr_peerMgrPeerStats( tor, peerCount ); |
---|
1219 | |
---|
1220 | return ret; |
---|
1221 | } |
---|
1222 | |
---|
1223 | void |
---|
1224 | tr_torrentPeersFree( tr_peer_stat * peers, |
---|
1225 | int peerCount UNUSED ) |
---|
1226 | { |
---|
1227 | tr_free( peers ); |
---|
1228 | } |
---|
1229 | |
---|
1230 | tr_tracker_stat * |
---|
1231 | tr_torrentTrackers( const tr_torrent * torrent, |
---|
1232 | int * setmeTrackerCount ) |
---|
1233 | { |
---|
1234 | assert( tr_isTorrent( torrent ) ); |
---|
1235 | |
---|
1236 | return tr_announcerStats( torrent, setmeTrackerCount ); |
---|
1237 | } |
---|
1238 | |
---|
1239 | void |
---|
1240 | tr_torrentTrackersFree( tr_tracker_stat * trackers, |
---|
1241 | int trackerCount ) |
---|
1242 | { |
---|
1243 | tr_announcerStatsFree( trackers, trackerCount ); |
---|
1244 | } |
---|
1245 | |
---|
1246 | void |
---|
1247 | tr_torrentAvailability( const tr_torrent * tor, |
---|
1248 | int8_t * tab, |
---|
1249 | int size ) |
---|
1250 | { |
---|
1251 | tr_peerMgrTorrentAvailability( tor, tab, size ); |
---|
1252 | } |
---|
1253 | |
---|
1254 | void |
---|
1255 | tr_torrentAmountFinished( const tr_torrent * tor, |
---|
1256 | float * tab, |
---|
1257 | int size ) |
---|
1258 | { |
---|
1259 | assert( tr_isTorrent( tor ) ); |
---|
1260 | |
---|
1261 | tr_torrentLock( tor ); |
---|
1262 | tr_cpGetAmountDone( &tor->completion, tab, size ); |
---|
1263 | tr_torrentUnlock( tor ); |
---|
1264 | } |
---|
1265 | |
---|
1266 | static void |
---|
1267 | tr_torrentResetTransferStats( tr_torrent * tor ) |
---|
1268 | { |
---|
1269 | assert( tr_isTorrent( tor ) ); |
---|
1270 | |
---|
1271 | tr_torrentLock( tor ); |
---|
1272 | |
---|
1273 | tor->downloadedPrev += tor->downloadedCur; |
---|
1274 | tor->downloadedCur = 0; |
---|
1275 | tor->uploadedPrev += tor->uploadedCur; |
---|
1276 | tor->uploadedCur = 0; |
---|
1277 | tor->corruptPrev += tor->corruptCur; |
---|
1278 | tor->corruptCur = 0; |
---|
1279 | |
---|
1280 | tr_torrentSetDirty( tor ); |
---|
1281 | |
---|
1282 | tr_torrentUnlock( tor ); |
---|
1283 | } |
---|
1284 | |
---|
1285 | void |
---|
1286 | tr_torrentSetHasPiece( tr_torrent * tor, |
---|
1287 | tr_piece_index_t pieceIndex, |
---|
1288 | tr_bool has ) |
---|
1289 | { |
---|
1290 | assert( tr_isTorrent( tor ) ); |
---|
1291 | assert( pieceIndex < tor->info.pieceCount ); |
---|
1292 | |
---|
1293 | if( has ) |
---|
1294 | tr_cpPieceAdd( &tor->completion, pieceIndex ); |
---|
1295 | else |
---|
1296 | tr_cpPieceRem( &tor->completion, pieceIndex ); |
---|
1297 | } |
---|
1298 | |
---|
1299 | /*** |
---|
1300 | **** |
---|
1301 | ***/ |
---|
1302 | |
---|
1303 | static void |
---|
1304 | freeTorrent( tr_torrent * tor ) |
---|
1305 | { |
---|
1306 | tr_torrent * t; |
---|
1307 | tr_session * session = tor->session; |
---|
1308 | tr_info * inf = &tor->info; |
---|
1309 | |
---|
1310 | assert( tr_isTorrent( tor ) ); |
---|
1311 | assert( !tor->isRunning ); |
---|
1312 | |
---|
1313 | tr_sessionLock( session ); |
---|
1314 | |
---|
1315 | tr_peerMgrRemoveTorrent( tor ); |
---|
1316 | |
---|
1317 | tr_cpDestruct( &tor->completion ); |
---|
1318 | |
---|
1319 | tr_announcerUnsubscribe( tor->tiers, tor->tiersSubscription ); |
---|
1320 | tr_announcerRemoveTorrent( session->announcer, tor ); |
---|
1321 | |
---|
1322 | tr_bitfieldDestruct( &tor->checkedPieces ); |
---|
1323 | |
---|
1324 | tr_free( tor->downloadDir ); |
---|
1325 | tr_free( tor->incompleteDir ); |
---|
1326 | tr_free( tor->peer_id ); |
---|
1327 | |
---|
1328 | if( tor == session->torrentList ) |
---|
1329 | session->torrentList = tor->next; |
---|
1330 | else for( t = session->torrentList; t != NULL; t = t->next ) { |
---|
1331 | if( t->next == tor ) { |
---|
1332 | t->next = tor->next; |
---|
1333 | break; |
---|
1334 | } |
---|
1335 | } |
---|
1336 | |
---|
1337 | assert( session->torrentCount >= 1 ); |
---|
1338 | session->torrentCount--; |
---|
1339 | |
---|
1340 | tr_bandwidthFree( tor->bandwidth ); |
---|
1341 | |
---|
1342 | tr_metainfoFree( inf ); |
---|
1343 | tr_free( tor ); |
---|
1344 | |
---|
1345 | tr_sessionUnlock( session ); |
---|
1346 | } |
---|
1347 | |
---|
1348 | /** |
---|
1349 | *** Start/Stop Callback |
---|
1350 | **/ |
---|
1351 | |
---|
1352 | static void |
---|
1353 | checkAndStartImpl( void * vtor ) |
---|
1354 | { |
---|
1355 | tr_torrent * tor = vtor; |
---|
1356 | |
---|
1357 | assert( tr_isTorrent( tor ) ); |
---|
1358 | |
---|
1359 | tr_sessionLock( tor->session ); |
---|
1360 | |
---|
1361 | /** If we had local data before, but it's disappeared, |
---|
1362 | stop the torrent and log an error. */ |
---|
1363 | if( tor->preVerifyTotal && !tr_cpHaveTotal( &tor->completion ) ) |
---|
1364 | { |
---|
1365 | tr_torrentSetLocalError( tor, _( "No data found! Reconnect any disconnected drives, use \"Set Location\", or restart the torrent to re-download." ) ); |
---|
1366 | tr_torrentStop( tor ); |
---|
1367 | } |
---|
1368 | else |
---|
1369 | { |
---|
1370 | const time_t now = tr_time( ); |
---|
1371 | tor->isRunning = TRUE; |
---|
1372 | tor->completeness = tr_cpGetStatus( &tor->completion ); |
---|
1373 | tor->startDate = tor->anyDate = now; |
---|
1374 | tr_torrentClearError( tor ); |
---|
1375 | |
---|
1376 | tr_torrentResetTransferStats( tor ); |
---|
1377 | tr_announcerTorrentStarted( tor ); |
---|
1378 | tor->dhtAnnounceAt = now + tr_cryptoWeakRandInt( 20 ); |
---|
1379 | tor->dhtAnnounce6At = now + tr_cryptoWeakRandInt( 20 ); |
---|
1380 | tor->lpdAnnounceAt = now; |
---|
1381 | tr_peerMgrStartTorrent( tor ); |
---|
1382 | } |
---|
1383 | |
---|
1384 | tr_sessionUnlock( tor->session ); |
---|
1385 | } |
---|
1386 | |
---|
1387 | static void |
---|
1388 | checkAndStartCB( tr_torrent * tor ) |
---|
1389 | { |
---|
1390 | assert( tr_isTorrent( tor ) ); |
---|
1391 | assert( tr_isSession( tor->session ) ); |
---|
1392 | |
---|
1393 | tr_runInEventThread( tor->session, checkAndStartImpl, tor ); |
---|
1394 | } |
---|
1395 | |
---|
1396 | static void |
---|
1397 | torrentStart( tr_torrent * tor ) |
---|
1398 | { |
---|
1399 | assert( tr_isTorrent( tor ) ); |
---|
1400 | |
---|
1401 | tr_sessionLock( tor->session ); |
---|
1402 | |
---|
1403 | if( !tor->isRunning ) |
---|
1404 | { |
---|
1405 | /* allow finished torrents to be resumed */ |
---|
1406 | if( tr_torrentIsSeedRatioDone( tor ) ) |
---|
1407 | { |
---|
1408 | tr_torinf( tor, "Restarted manually -- disabling its seed ratio" ); |
---|
1409 | tr_torrentSetRatioMode( tor, TR_RATIOLIMIT_UNLIMITED ); |
---|
1410 | } |
---|
1411 | |
---|
1412 | tr_verifyRemove( tor ); |
---|
1413 | |
---|
1414 | /* corresponds to the peer_id sent as a tracker request parameter. |
---|
1415 | * one tracker admin says: "When the same torrent is opened and |
---|
1416 | * closed and opened again without quitting Transmission ... |
---|
1417 | * change the peerid. It would help sometimes if a stopped event |
---|
1418 | * was missed to ensure that we didn't think someone was cheating. */ |
---|
1419 | tr_free( tor->peer_id ); |
---|
1420 | tor->peer_id = tr_peerIdNew( ); |
---|
1421 | |
---|
1422 | tor->isRunning = 1; |
---|
1423 | tr_torrentSetDirty( tor ); |
---|
1424 | tor->preVerifyTotal = tr_cpHaveTotal( &tor->completion ); |
---|
1425 | tr_verifyAdd( tor, checkAndStartCB ); |
---|
1426 | } |
---|
1427 | |
---|
1428 | tr_sessionUnlock( tor->session ); |
---|
1429 | } |
---|
1430 | |
---|
1431 | void |
---|
1432 | tr_torrentStart( tr_torrent * tor ) |
---|
1433 | { |
---|
1434 | if( tr_isTorrent( tor ) ) |
---|
1435 | torrentStart( tor ); |
---|
1436 | } |
---|
1437 | |
---|
1438 | static void |
---|
1439 | torrentRecheckDoneImpl( void * vtor ) |
---|
1440 | { |
---|
1441 | tr_torrent * tor = vtor; |
---|
1442 | |
---|
1443 | assert( tr_isTorrent( tor ) ); |
---|
1444 | tr_torrentRecheckCompleteness( tor ); |
---|
1445 | |
---|
1446 | if( tor->preVerifyTotal && !tr_cpHaveTotal( &tor->completion ) ) |
---|
1447 | { |
---|
1448 | tr_torrentSetLocalError( tor, _( "Can't find local data. Try \"Set Location\" to find it, or restart the torrent to re-download." ) ); |
---|
1449 | tr_torrentStop( tor ); |
---|
1450 | } |
---|
1451 | else if( tor->startAfterVerify ) |
---|
1452 | { |
---|
1453 | tor->startAfterVerify = FALSE; |
---|
1454 | |
---|
1455 | tr_torrentStart( tor ); |
---|
1456 | } |
---|
1457 | } |
---|
1458 | |
---|
1459 | static void |
---|
1460 | torrentRecheckDoneCB( tr_torrent * tor ) |
---|
1461 | { |
---|
1462 | assert( tr_isTorrent( tor ) ); |
---|
1463 | |
---|
1464 | tr_runInEventThread( tor->session, torrentRecheckDoneImpl, tor ); |
---|
1465 | } |
---|
1466 | |
---|
1467 | static void |
---|
1468 | verifyTorrent( void * vtor ) |
---|
1469 | { |
---|
1470 | tr_torrent * tor = vtor; |
---|
1471 | |
---|
1472 | assert( tr_isTorrent( tor ) ); |
---|
1473 | tr_sessionLock( tor->session ); |
---|
1474 | |
---|
1475 | /* if the torrent's already being verified, stop it */ |
---|
1476 | tr_verifyRemove( tor ); |
---|
1477 | |
---|
1478 | /* if the torrent's running, stop it & set the restart-after-verify flag */ |
---|
1479 | if( tor->startAfterVerify || tor->isRunning ) { |
---|
1480 | tr_torrentStop( tor ); |
---|
1481 | tor->startAfterVerify = TRUE; |
---|
1482 | } |
---|
1483 | |
---|
1484 | /* add the torrent to the recheck queue */ |
---|
1485 | tor->preVerifyTotal = tr_cpHaveTotal( &tor->completion ); |
---|
1486 | tr_torrentUncheck( tor ); |
---|
1487 | tr_verifyAdd( tor, torrentRecheckDoneCB ); |
---|
1488 | |
---|
1489 | tr_sessionUnlock( tor->session ); |
---|
1490 | } |
---|
1491 | |
---|
1492 | void |
---|
1493 | tr_torrentVerify( tr_torrent * tor ) |
---|
1494 | { |
---|
1495 | if( tr_isTorrent( tor ) ) |
---|
1496 | tr_runInEventThread( tor->session, verifyTorrent, tor ); |
---|
1497 | } |
---|
1498 | |
---|
1499 | void |
---|
1500 | tr_torrentSave( tr_torrent * tor ) |
---|
1501 | { |
---|
1502 | assert( tr_isTorrent( tor ) ); |
---|
1503 | |
---|
1504 | if( tor->isDirty ) |
---|
1505 | { |
---|
1506 | tor->isDirty = FALSE; |
---|
1507 | tr_torrentSaveResume( tor ); |
---|
1508 | } |
---|
1509 | } |
---|
1510 | |
---|
1511 | static void |
---|
1512 | stopTorrent( void * vtor ) |
---|
1513 | { |
---|
1514 | tr_torrent * tor = vtor; |
---|
1515 | tr_torinf( tor, "Pausing" ); |
---|
1516 | |
---|
1517 | assert( tr_isTorrent( tor ) ); |
---|
1518 | |
---|
1519 | tr_verifyRemove( tor ); |
---|
1520 | tr_peerMgrStopTorrent( tor ); |
---|
1521 | tr_announcerTorrentStopped( tor ); |
---|
1522 | |
---|
1523 | tr_fdTorrentClose( tor->session, tor->uniqueId ); |
---|
1524 | |
---|
1525 | if( !tor->isDeleting ) |
---|
1526 | tr_torrentSave( tor ); |
---|
1527 | } |
---|
1528 | |
---|
1529 | void |
---|
1530 | tr_torrentStop( tr_torrent * tor ) |
---|
1531 | { |
---|
1532 | assert( tr_isTorrent( tor ) ); |
---|
1533 | |
---|
1534 | if( tr_isTorrent( tor ) ) |
---|
1535 | { |
---|
1536 | tr_sessionLock( tor->session ); |
---|
1537 | |
---|
1538 | tor->isRunning = 0; |
---|
1539 | tr_torrentSetDirty( tor ); |
---|
1540 | tr_runInEventThread( tor->session, stopTorrent, tor ); |
---|
1541 | |
---|
1542 | tr_sessionUnlock( tor->session ); |
---|
1543 | } |
---|
1544 | } |
---|
1545 | |
---|
1546 | static void |
---|
1547 | closeTorrent( void * vtor ) |
---|
1548 | { |
---|
1549 | tr_benc * d; |
---|
1550 | tr_torrent * tor = vtor; |
---|
1551 | |
---|
1552 | assert( tr_isTorrent( tor ) ); |
---|
1553 | |
---|
1554 | d = tr_bencListAddDict( &tor->session->removedTorrents, 2 ); |
---|
1555 | tr_bencDictAddInt( d, "id", tor->uniqueId ); |
---|
1556 | tr_bencDictAddInt( d, "date", tr_time( ) ); |
---|
1557 | |
---|
1558 | tr_torinf( tor, _( "Removing torrent" ) ); |
---|
1559 | |
---|
1560 | stopTorrent( tor ); |
---|
1561 | |
---|
1562 | if( tor->isDeleting ) |
---|
1563 | { |
---|
1564 | tr_metainfoRemoveSaved( tor->session, &tor->info ); |
---|
1565 | tr_torrentRemoveResume( tor ); |
---|
1566 | } |
---|
1567 | |
---|
1568 | tor->isRunning = 0; |
---|
1569 | freeTorrent( tor ); |
---|
1570 | } |
---|
1571 | |
---|
1572 | void |
---|
1573 | tr_torrentFree( tr_torrent * tor ) |
---|
1574 | { |
---|
1575 | if( tr_isTorrent( tor ) ) |
---|
1576 | { |
---|
1577 | tr_session * session = tor->session; |
---|
1578 | assert( tr_isSession( session ) ); |
---|
1579 | tr_sessionLock( session ); |
---|
1580 | |
---|
1581 | tr_torrentClearCompletenessCallback( tor ); |
---|
1582 | tr_runInEventThread( session, closeTorrent, tor ); |
---|
1583 | |
---|
1584 | tr_sessionUnlock( session ); |
---|
1585 | } |
---|
1586 | } |
---|
1587 | |
---|
1588 | void |
---|
1589 | tr_torrentRemove( tr_torrent * tor ) |
---|
1590 | { |
---|
1591 | assert( tr_isTorrent( tor ) ); |
---|
1592 | |
---|
1593 | tor->isDeleting = 1; |
---|
1594 | tr_torrentFree( tor ); |
---|
1595 | } |
---|
1596 | |
---|
1597 | /** |
---|
1598 | *** Completeness |
---|
1599 | **/ |
---|
1600 | |
---|
1601 | static const char * |
---|
1602 | getCompletionString( int type ) |
---|
1603 | { |
---|
1604 | switch( type ) |
---|
1605 | { |
---|
1606 | /* Translators: this is a minor point that's safe to skip over, but FYI: |
---|
1607 | "Complete" and "Done" are specific, different terms in Transmission: |
---|
1608 | "Complete" means we've downloaded every file in the torrent. |
---|
1609 | "Done" means we're done downloading the files we wanted, but NOT all |
---|
1610 | that exist */ |
---|
1611 | case TR_PARTIAL_SEED: |
---|
1612 | return _( "Done" ); |
---|
1613 | |
---|
1614 | case TR_SEED: |
---|
1615 | return _( "Complete" ); |
---|
1616 | |
---|
1617 | default: |
---|
1618 | return _( "Incomplete" ); |
---|
1619 | } |
---|
1620 | } |
---|
1621 | |
---|
1622 | static void |
---|
1623 | fireCompletenessChange( tr_torrent * tor, |
---|
1624 | tr_completeness status ) |
---|
1625 | { |
---|
1626 | assert( tr_isTorrent( tor ) ); |
---|
1627 | assert( ( status == TR_LEECH ) |
---|
1628 | || ( status == TR_SEED ) |
---|
1629 | || ( status == TR_PARTIAL_SEED ) ); |
---|
1630 | |
---|
1631 | if( tor->completeness_func ) |
---|
1632 | tor->completeness_func( tor, status, tor->completeness_func_user_data ); |
---|
1633 | } |
---|
1634 | |
---|
1635 | void |
---|
1636 | tr_torrentSetCompletenessCallback( tr_torrent * tor, |
---|
1637 | tr_torrent_completeness_func func, |
---|
1638 | void * user_data ) |
---|
1639 | { |
---|
1640 | assert( tr_isTorrent( tor ) ); |
---|
1641 | |
---|
1642 | tor->completeness_func = func; |
---|
1643 | tor->completeness_func_user_data = user_data; |
---|
1644 | } |
---|
1645 | |
---|
1646 | void |
---|
1647 | tr_torrentClearCompletenessCallback( tr_torrent * torrent ) |
---|
1648 | { |
---|
1649 | tr_torrentSetCompletenessCallback( torrent, NULL, NULL ); |
---|
1650 | } |
---|
1651 | |
---|
1652 | void |
---|
1653 | tr_torrentSetRatioLimitHitCallback( tr_torrent * tor, |
---|
1654 | tr_torrent_ratio_limit_hit_func func, |
---|
1655 | void * user_data ) |
---|
1656 | { |
---|
1657 | assert( tr_isTorrent( tor ) ); |
---|
1658 | |
---|
1659 | tor->ratio_limit_hit_func = func; |
---|
1660 | tor->ratio_limit_hit_func_user_data = user_data; |
---|
1661 | } |
---|
1662 | |
---|
1663 | void |
---|
1664 | tr_torrentClearRatioLimitHitCallback( tr_torrent * torrent ) |
---|
1665 | { |
---|
1666 | tr_torrentSetRatioLimitHitCallback( torrent, NULL, NULL ); |
---|
1667 | } |
---|
1668 | |
---|
1669 | |
---|
1670 | static void |
---|
1671 | torrentCallScript( tr_torrent * tor, const char * script ) |
---|
1672 | { |
---|
1673 | assert( tr_isTorrent( tor ) ); |
---|
1674 | |
---|
1675 | if( script && *script ) |
---|
1676 | { |
---|
1677 | char buf[128]; |
---|
1678 | const time_t now = tr_time( ); |
---|
1679 | |
---|
1680 | #ifdef HAVE_CLEARENV |
---|
1681 | clearenv( ); |
---|
1682 | #endif |
---|
1683 | |
---|
1684 | setenv( "TR_APP_VERSION", SHORT_VERSION_STRING, 1 ); |
---|
1685 | |
---|
1686 | tr_snprintf( buf, sizeof( buf ), "%d", tr_torrentId( tor ) ); |
---|
1687 | setenv( "TR_TORRENT_ID", buf, 1 ); |
---|
1688 | setenv( "TR_TORRENT_NAME", tr_torrentName( tor ), 1 ); |
---|
1689 | setenv( "TR_TORRENT_DIR", tor->currentDir, 1 ); |
---|
1690 | setenv( "TR_TORRENT_HASH", tor->info.hashString, 1 ); |
---|
1691 | tr_strlcpy( buf, ctime( &now ), sizeof( buf ) ); |
---|
1692 | *strchr( buf,'\n' ) = '\0'; |
---|
1693 | setenv( "TR_TIME_LOCALTIME", buf, 1 ); |
---|
1694 | tr_torinf( tor, "Calling script \"%s\"", script ); |
---|
1695 | system( script ); |
---|
1696 | } |
---|
1697 | } |
---|
1698 | |
---|
1699 | void |
---|
1700 | tr_torrentRecheckCompleteness( tr_torrent * tor ) |
---|
1701 | { |
---|
1702 | tr_completeness completeness; |
---|
1703 | |
---|
1704 | assert( tr_isTorrent( tor ) ); |
---|
1705 | |
---|
1706 | tr_torrentLock( tor ); |
---|
1707 | |
---|
1708 | completeness = tr_cpGetStatus( &tor->completion ); |
---|
1709 | |
---|
1710 | if( completeness != tor->completeness ) |
---|
1711 | { |
---|
1712 | const int recentChange = tor->downloadedCur != 0; |
---|
1713 | |
---|
1714 | if( recentChange ) |
---|
1715 | { |
---|
1716 | tr_torinf( tor, _( "State changed from \"%1$s\" to \"%2$s\"" ), |
---|
1717 | getCompletionString( tor->completeness ), |
---|
1718 | getCompletionString( completeness ) ); |
---|
1719 | } |
---|
1720 | |
---|
1721 | tor->completeness = completeness; |
---|
1722 | tr_fdTorrentClose( tor->session, tor->uniqueId ); |
---|
1723 | |
---|
1724 | if( tr_torrentIsSeed( tor ) ) |
---|
1725 | { |
---|
1726 | tr_torrentCheckSeedRatio( tor ); |
---|
1727 | |
---|
1728 | if( tor->currentDir == tor->incompleteDir ) |
---|
1729 | tr_torrentSetLocation( tor, tor->downloadDir, TRUE, NULL, NULL ); |
---|
1730 | |
---|
1731 | if( tr_sessionIsTorrentDoneScriptEnabled( tor->session ) ) |
---|
1732 | torrentCallScript( tor, tr_sessionGetTorrentDoneScript( tor->session ) ); |
---|
1733 | } |
---|
1734 | |
---|
1735 | fireCompletenessChange( tor, completeness ); |
---|
1736 | |
---|
1737 | if( recentChange && tr_torrentIsSeed( tor ) ) |
---|
1738 | { |
---|
1739 | tr_announcerTorrentCompleted( tor ); |
---|
1740 | |
---|
1741 | tor->doneDate = tor->anyDate = tr_time( ); |
---|
1742 | } |
---|
1743 | |
---|
1744 | tr_torrentSetDirty( tor ); |
---|
1745 | } |
---|
1746 | |
---|
1747 | tr_torrentUnlock( tor ); |
---|
1748 | } |
---|
1749 | |
---|
1750 | /*** |
---|
1751 | **** |
---|
1752 | ***/ |
---|
1753 | |
---|
1754 | static void |
---|
1755 | tr_torrentFireMetadataCompleted( tr_torrent * tor ) |
---|
1756 | { |
---|
1757 | assert( tr_isTorrent( tor ) ); |
---|
1758 | |
---|
1759 | if( tor->metadata_func ) |
---|
1760 | tor->metadata_func( tor, tor->metadata_func_user_data ); |
---|
1761 | } |
---|
1762 | |
---|
1763 | void |
---|
1764 | tr_torrentSetMetadataCallback( tr_torrent * tor, |
---|
1765 | tr_torrent_metadata_func func, |
---|
1766 | void * user_data ) |
---|
1767 | { |
---|
1768 | assert( tr_isTorrent( tor ) ); |
---|
1769 | |
---|
1770 | tor->metadata_func = func; |
---|
1771 | tor->metadata_func_user_data = user_data; |
---|
1772 | } |
---|
1773 | |
---|
1774 | |
---|
1775 | /** |
---|
1776 | *** File priorities |
---|
1777 | **/ |
---|
1778 | |
---|
1779 | void |
---|
1780 | tr_torrentInitFilePriority( tr_torrent * tor, |
---|
1781 | tr_file_index_t fileIndex, |
---|
1782 | tr_priority_t priority ) |
---|
1783 | { |
---|
1784 | tr_piece_index_t i; |
---|
1785 | tr_file * file; |
---|
1786 | |
---|
1787 | assert( tr_isTorrent( tor ) ); |
---|
1788 | assert( fileIndex < tor->info.fileCount ); |
---|
1789 | assert( tr_isPriority( priority ) ); |
---|
1790 | |
---|
1791 | file = &tor->info.files[fileIndex]; |
---|
1792 | file->priority = priority; |
---|
1793 | for( i = file->firstPiece; i <= file->lastPiece; ++i ) |
---|
1794 | tor->info.pieces[i].priority = calculatePiecePriority( tor, i, fileIndex ); |
---|
1795 | } |
---|
1796 | |
---|
1797 | void |
---|
1798 | tr_torrentSetFilePriorities( tr_torrent * tor, |
---|
1799 | const tr_file_index_t * files, |
---|
1800 | tr_file_index_t fileCount, |
---|
1801 | tr_priority_t priority ) |
---|
1802 | { |
---|
1803 | tr_file_index_t i; |
---|
1804 | assert( tr_isTorrent( tor ) ); |
---|
1805 | tr_torrentLock( tor ); |
---|
1806 | |
---|
1807 | for( i = 0; i < fileCount; ++i ) |
---|
1808 | if( files[i] < tor->info.fileCount ) |
---|
1809 | tr_torrentInitFilePriority( tor, files[i], priority ); |
---|
1810 | tr_torrentSetDirty( tor ); |
---|
1811 | tr_peerMgrRebuildRequests( tor ); |
---|
1812 | |
---|
1813 | tr_torrentUnlock( tor ); |
---|
1814 | } |
---|
1815 | |
---|
1816 | tr_priority_t* |
---|
1817 | tr_torrentGetFilePriorities( const tr_torrent * tor ) |
---|
1818 | { |
---|
1819 | tr_file_index_t i; |
---|
1820 | tr_priority_t * p; |
---|
1821 | |
---|
1822 | assert( tr_isTorrent( tor ) ); |
---|
1823 | |
---|
1824 | tr_torrentLock( tor ); |
---|
1825 | p = tr_new0( tr_priority_t, tor->info.fileCount ); |
---|
1826 | for( i = 0; i < tor->info.fileCount; ++i ) |
---|
1827 | p[i] = tor->info.files[i].priority; |
---|
1828 | tr_torrentUnlock( tor ); |
---|
1829 | |
---|
1830 | return p; |
---|
1831 | } |
---|
1832 | |
---|
1833 | /** |
---|
1834 | *** File DND |
---|
1835 | **/ |
---|
1836 | |
---|
1837 | static void |
---|
1838 | setFileDND( tr_torrent * tor, tr_file_index_t fileIndex, int doDownload ) |
---|
1839 | { |
---|
1840 | tr_file * file; |
---|
1841 | const int dnd = !doDownload; |
---|
1842 | tr_piece_index_t firstPiece, firstPieceDND; |
---|
1843 | tr_piece_index_t lastPiece, lastPieceDND; |
---|
1844 | tr_file_index_t i; |
---|
1845 | |
---|
1846 | assert( tr_isTorrent( tor ) ); |
---|
1847 | |
---|
1848 | file = &tor->info.files[fileIndex]; |
---|
1849 | file->dnd = dnd; |
---|
1850 | firstPiece = file->firstPiece; |
---|
1851 | lastPiece = file->lastPiece; |
---|
1852 | |
---|
1853 | /* can't set the first piece to DND unless |
---|
1854 | every file using that piece is DND */ |
---|
1855 | firstPieceDND = dnd; |
---|
1856 | if( fileIndex > 0 ) |
---|
1857 | { |
---|
1858 | for( i = fileIndex - 1; firstPieceDND; --i ) |
---|
1859 | { |
---|
1860 | if( tor->info.files[i].lastPiece != firstPiece ) |
---|
1861 | break; |
---|
1862 | firstPieceDND = tor->info.files[i].dnd; |
---|
1863 | if( !i ) |
---|
1864 | break; |
---|
1865 | } |
---|
1866 | } |
---|
1867 | |
---|
1868 | /* can't set the last piece to DND unless |
---|
1869 | every file using that piece is DND */ |
---|
1870 | lastPieceDND = dnd; |
---|
1871 | for( i = fileIndex + 1; lastPieceDND && i < tor->info.fileCount; ++i ) |
---|
1872 | { |
---|
1873 | if( tor->info.files[i].firstPiece != lastPiece ) |
---|
1874 | break; |
---|
1875 | lastPieceDND = tor->info.files[i].dnd; |
---|
1876 | } |
---|
1877 | |
---|
1878 | if( firstPiece == lastPiece ) |
---|
1879 | { |
---|
1880 | tor->info.pieces[firstPiece].dnd = firstPieceDND && lastPieceDND; |
---|
1881 | } |
---|
1882 | else |
---|
1883 | { |
---|
1884 | tr_piece_index_t pp; |
---|
1885 | tor->info.pieces[firstPiece].dnd = firstPieceDND; |
---|
1886 | tor->info.pieces[lastPiece].dnd = lastPieceDND; |
---|
1887 | for( pp = firstPiece + 1; pp < lastPiece; ++pp ) |
---|
1888 | tor->info.pieces[pp].dnd = dnd; |
---|
1889 | } |
---|
1890 | } |
---|
1891 | |
---|
1892 | void |
---|
1893 | tr_torrentInitFileDLs( tr_torrent * tor, |
---|
1894 | const tr_file_index_t * files, |
---|
1895 | tr_file_index_t fileCount, |
---|
1896 | tr_bool doDownload ) |
---|
1897 | { |
---|
1898 | tr_file_index_t i; |
---|
1899 | |
---|
1900 | assert( tr_isTorrent( tor ) ); |
---|
1901 | |
---|
1902 | tr_torrentLock( tor ); |
---|
1903 | |
---|
1904 | for( i=0; i<fileCount; ++i ) |
---|
1905 | if( files[i] < tor->info.fileCount ) |
---|
1906 | setFileDND( tor, files[i], doDownload ); |
---|
1907 | |
---|
1908 | tr_cpInvalidateDND( &tor->completion ); |
---|
1909 | |
---|
1910 | tr_torrentUnlock( tor ); |
---|
1911 | } |
---|
1912 | |
---|
1913 | void |
---|
1914 | tr_torrentSetFileDLs( tr_torrent * tor, |
---|
1915 | const tr_file_index_t * files, |
---|
1916 | tr_file_index_t fileCount, |
---|
1917 | tr_bool doDownload ) |
---|
1918 | { |
---|
1919 | assert( tr_isTorrent( tor ) ); |
---|
1920 | tr_torrentLock( tor ); |
---|
1921 | |
---|
1922 | tr_torrentInitFileDLs( tor, files, fileCount, doDownload ); |
---|
1923 | tr_torrentSetDirty( tor ); |
---|
1924 | tr_peerMgrRebuildRequests( tor ); |
---|
1925 | |
---|
1926 | tr_torrentUnlock( tor ); |
---|
1927 | } |
---|
1928 | |
---|
1929 | /*** |
---|
1930 | **** |
---|
1931 | ***/ |
---|
1932 | |
---|
1933 | tr_priority_t |
---|
1934 | tr_torrentGetPriority( const tr_torrent * tor ) |
---|
1935 | { |
---|
1936 | assert( tr_isTorrent( tor ) ); |
---|
1937 | |
---|
1938 | return tor->bandwidth->priority; |
---|
1939 | } |
---|
1940 | |
---|
1941 | void |
---|
1942 | tr_torrentSetPriority( tr_torrent * tor, tr_priority_t priority ) |
---|
1943 | { |
---|
1944 | assert( tr_isTorrent( tor ) ); |
---|
1945 | assert( tr_isPriority( priority ) ); |
---|
1946 | |
---|
1947 | if( tor->bandwidth->priority != priority ) |
---|
1948 | { |
---|
1949 | tor->bandwidth->priority = priority; |
---|
1950 | |
---|
1951 | tr_torrentSetDirty( tor ); |
---|
1952 | } |
---|
1953 | } |
---|
1954 | |
---|
1955 | /*** |
---|
1956 | **** |
---|
1957 | ***/ |
---|
1958 | |
---|
1959 | void |
---|
1960 | tr_torrentSetPeerLimit( tr_torrent * tor, |
---|
1961 | uint16_t maxConnectedPeers ) |
---|
1962 | { |
---|
1963 | assert( tr_isTorrent( tor ) ); |
---|
1964 | |
---|
1965 | if ( tor->maxConnectedPeers != maxConnectedPeers ) |
---|
1966 | { |
---|
1967 | tor->maxConnectedPeers = maxConnectedPeers; |
---|
1968 | |
---|
1969 | tr_torrentSetDirty( tor ); |
---|
1970 | } |
---|
1971 | } |
---|
1972 | |
---|
1973 | uint16_t |
---|
1974 | tr_torrentGetPeerLimit( const tr_torrent * tor ) |
---|
1975 | { |
---|
1976 | assert( tr_isTorrent( tor ) ); |
---|
1977 | |
---|
1978 | return tor->maxConnectedPeers; |
---|
1979 | } |
---|
1980 | |
---|
1981 | /*** |
---|
1982 | **** |
---|
1983 | ***/ |
---|
1984 | |
---|
1985 | tr_block_index_t |
---|
1986 | _tr_block( const tr_torrent * tor, |
---|
1987 | tr_piece_index_t index, |
---|
1988 | uint32_t offset ) |
---|
1989 | { |
---|
1990 | tr_block_index_t ret; |
---|
1991 | |
---|
1992 | assert( tr_isTorrent( tor ) ); |
---|
1993 | |
---|
1994 | ret = index; |
---|
1995 | ret *= ( tor->info.pieceSize / tor->blockSize ); |
---|
1996 | ret += offset / tor->blockSize; |
---|
1997 | return ret; |
---|
1998 | } |
---|
1999 | |
---|
2000 | tr_bool |
---|
2001 | tr_torrentReqIsValid( const tr_torrent * tor, |
---|
2002 | tr_piece_index_t index, |
---|
2003 | uint32_t offset, |
---|
2004 | uint32_t length ) |
---|
2005 | { |
---|
2006 | int err = 0; |
---|
2007 | |
---|
2008 | assert( tr_isTorrent( tor ) ); |
---|
2009 | |
---|
2010 | if( index >= tor->info.pieceCount ) |
---|
2011 | err = 1; |
---|
2012 | else if( length < 1 ) |
---|
2013 | err = 2; |
---|
2014 | else if( ( offset + length ) > tr_torPieceCountBytes( tor, index ) ) |
---|
2015 | err = 3; |
---|
2016 | else if( length > MAX_BLOCK_SIZE ) |
---|
2017 | err = 4; |
---|
2018 | else if( tr_pieceOffset( tor, index, offset, length ) > tor->info.totalSize ) |
---|
2019 | err = 5; |
---|
2020 | |
---|
2021 | if( err ) tr_tordbg( tor, "index %lu offset %lu length %lu err %d\n", |
---|
2022 | (unsigned long)index, |
---|
2023 | (unsigned long)offset, |
---|
2024 | (unsigned long)length, |
---|
2025 | err ); |
---|
2026 | |
---|
2027 | return !err; |
---|
2028 | } |
---|
2029 | |
---|
2030 | uint64_t |
---|
2031 | tr_pieceOffset( const tr_torrent * tor, |
---|
2032 | tr_piece_index_t index, |
---|
2033 | uint32_t offset, |
---|
2034 | uint32_t length ) |
---|
2035 | { |
---|
2036 | uint64_t ret; |
---|
2037 | |
---|
2038 | assert( tr_isTorrent( tor ) ); |
---|
2039 | |
---|
2040 | ret = tor->info.pieceSize; |
---|
2041 | ret *= index; |
---|
2042 | ret += offset; |
---|
2043 | ret += length; |
---|
2044 | return ret; |
---|
2045 | } |
---|
2046 | |
---|
2047 | /*** |
---|
2048 | **** |
---|
2049 | ***/ |
---|
2050 | |
---|
2051 | void |
---|
2052 | tr_torrentSetPieceChecked( tr_torrent * tor, |
---|
2053 | tr_piece_index_t piece, |
---|
2054 | tr_bool isChecked ) |
---|
2055 | { |
---|
2056 | assert( tr_isTorrent( tor ) ); |
---|
2057 | |
---|
2058 | if( isChecked ) |
---|
2059 | tr_bitfieldAdd( &tor->checkedPieces, piece ); |
---|
2060 | else |
---|
2061 | tr_bitfieldRem( &tor->checkedPieces, piece ); |
---|
2062 | } |
---|
2063 | |
---|
2064 | void |
---|
2065 | tr_torrentSetFileChecked( tr_torrent * tor, |
---|
2066 | tr_file_index_t fileIndex, |
---|
2067 | tr_bool isChecked ) |
---|
2068 | { |
---|
2069 | const tr_file * file = &tor->info.files[fileIndex]; |
---|
2070 | const tr_piece_index_t begin = file->firstPiece; |
---|
2071 | const tr_piece_index_t end = file->lastPiece + 1; |
---|
2072 | |
---|
2073 | assert( tr_isTorrent( tor ) ); |
---|
2074 | |
---|
2075 | if( isChecked ) |
---|
2076 | tr_bitfieldAddRange( &tor->checkedPieces, begin, end ); |
---|
2077 | else |
---|
2078 | tr_bitfieldRemRange( &tor->checkedPieces, begin, end ); |
---|
2079 | } |
---|
2080 | |
---|
2081 | tr_bool |
---|
2082 | tr_torrentIsFileChecked( const tr_torrent * tor, |
---|
2083 | tr_file_index_t fileIndex ) |
---|
2084 | { |
---|
2085 | const tr_file * file = &tor->info.files[fileIndex]; |
---|
2086 | const tr_piece_index_t begin = file->firstPiece; |
---|
2087 | const tr_piece_index_t end = file->lastPiece + 1; |
---|
2088 | tr_piece_index_t i; |
---|
2089 | tr_bool isChecked = TRUE; |
---|
2090 | |
---|
2091 | assert( tr_isTorrent( tor ) ); |
---|
2092 | |
---|
2093 | for( i = begin; isChecked && i < end; ++i ) |
---|
2094 | if( !tr_torrentIsPieceChecked( tor, i ) ) |
---|
2095 | isChecked = FALSE; |
---|
2096 | |
---|
2097 | return isChecked; |
---|
2098 | } |
---|
2099 | |
---|
2100 | void |
---|
2101 | tr_torrentUncheck( tr_torrent * tor ) |
---|
2102 | { |
---|
2103 | assert( tr_isTorrent( tor ) ); |
---|
2104 | |
---|
2105 | tr_bitfieldRemRange( &tor->checkedPieces, 0, tor->info.pieceCount ); |
---|
2106 | } |
---|
2107 | |
---|
2108 | int |
---|
2109 | tr_torrentCountUncheckedPieces( const tr_torrent * tor ) |
---|
2110 | { |
---|
2111 | assert( tr_isTorrent( tor ) ); |
---|
2112 | |
---|
2113 | return tor->info.pieceCount - tr_bitfieldCountTrueBits( &tor->checkedPieces ); |
---|
2114 | } |
---|
2115 | |
---|
2116 | time_t* |
---|
2117 | tr_torrentGetMTimes( const tr_torrent * tor, size_t * setme_n ) |
---|
2118 | { |
---|
2119 | size_t i; |
---|
2120 | const size_t n = tor->info.fileCount; |
---|
2121 | time_t * m = tr_new0( time_t, n ); |
---|
2122 | |
---|
2123 | assert( tr_isTorrent( tor ) ); |
---|
2124 | |
---|
2125 | for( i = 0; i < n; ++i ) |
---|
2126 | { |
---|
2127 | struct stat sb; |
---|
2128 | char * path = tr_torrentFindFile( tor, i ); |
---|
2129 | if( ( path != NULL ) && !stat( path, &sb ) && S_ISREG( sb.st_mode ) ) |
---|
2130 | { |
---|
2131 | #ifdef SYS_DARWIN |
---|
2132 | m[i] = sb.st_mtimespec.tv_sec; |
---|
2133 | #else |
---|
2134 | m[i] = sb.st_mtime; |
---|
2135 | #endif |
---|
2136 | } |
---|
2137 | tr_free( path ); |
---|
2138 | } |
---|
2139 | |
---|
2140 | *setme_n = n; |
---|
2141 | return m; |
---|
2142 | } |
---|
2143 | |
---|
2144 | /*** |
---|
2145 | **** |
---|
2146 | ***/ |
---|
2147 | |
---|
2148 | tr_bool |
---|
2149 | tr_torrentSetAnnounceList( tr_torrent * tor, |
---|
2150 | const tr_tracker_info * trackers, |
---|
2151 | int trackerCount ) |
---|
2152 | { |
---|
2153 | int i; |
---|
2154 | tr_benc metainfo; |
---|
2155 | tr_bool ok = TRUE; |
---|
2156 | tr_torrentLock( tor ); |
---|
2157 | |
---|
2158 | assert( tr_isTorrent( tor ) ); |
---|
2159 | |
---|
2160 | /* look for bad URLs */ |
---|
2161 | for( i=0; ok && i<trackerCount; ++i ) |
---|
2162 | if( !tr_urlIsValidTracker( trackers[i].announce ) ) |
---|
2163 | ok = FALSE; |
---|
2164 | |
---|
2165 | /* save to the .torrent file */ |
---|
2166 | if( ok && !tr_bencLoadFile( &metainfo, TR_FMT_BENC, tor->info.torrent ) ) |
---|
2167 | { |
---|
2168 | tr_bool hasInfo; |
---|
2169 | tr_info tmpInfo; |
---|
2170 | |
---|
2171 | /* remove the old fields */ |
---|
2172 | tr_bencDictRemove( &metainfo, "announce" ); |
---|
2173 | tr_bencDictRemove( &metainfo, "announce-list" ); |
---|
2174 | |
---|
2175 | /* add the new fields */ |
---|
2176 | if( trackerCount > 0 ) |
---|
2177 | { |
---|
2178 | tr_bencDictAddStr( &metainfo, "announce", trackers[0].announce ); |
---|
2179 | } |
---|
2180 | if( trackerCount > 1 ) |
---|
2181 | { |
---|
2182 | int i; |
---|
2183 | int prevTier = -1; |
---|
2184 | tr_benc * tier = NULL; |
---|
2185 | tr_benc * announceList = tr_bencDictAddList( &metainfo, "announce-list", 0 ); |
---|
2186 | |
---|
2187 | for( i=0; i<trackerCount; ++i ) { |
---|
2188 | if( prevTier != trackers[i].tier ) { |
---|
2189 | prevTier = trackers[i].tier; |
---|
2190 | tier = tr_bencListAddList( announceList, 0 ); |
---|
2191 | } |
---|
2192 | tr_bencListAddStr( tier, trackers[i].announce ); |
---|
2193 | } |
---|
2194 | } |
---|
2195 | |
---|
2196 | /* try to parse it back again, to make sure it's good */ |
---|
2197 | memset( &tmpInfo, 0, sizeof( tr_info ) ); |
---|
2198 | if( tr_metainfoParse( tor->session, &metainfo, &tmpInfo, |
---|
2199 | &hasInfo, &tor->infoDictOffset, &tor->infoDictLength ) ) |
---|
2200 | { |
---|
2201 | /* it's good, so keep these new trackers and free the old ones */ |
---|
2202 | |
---|
2203 | tr_info swap; |
---|
2204 | swap.trackers = tor->info.trackers; |
---|
2205 | swap.trackerCount = tor->info.trackerCount; |
---|
2206 | tor->info.trackers = tmpInfo.trackers; |
---|
2207 | tor->info.trackerCount = tmpInfo.trackerCount; |
---|
2208 | tmpInfo.trackers = swap.trackers; |
---|
2209 | tmpInfo.trackerCount = swap.trackerCount; |
---|
2210 | |
---|
2211 | tr_metainfoFree( &tmpInfo ); |
---|
2212 | tr_bencToFile( &metainfo, TR_FMT_BENC, tor->info.torrent ); |
---|
2213 | } |
---|
2214 | |
---|
2215 | /* cleanup */ |
---|
2216 | tr_bencFree( &metainfo ); |
---|
2217 | |
---|
2218 | /* if we had a tracker-related error on this torrent, |
---|
2219 | * and that tracker's been removed, |
---|
2220 | * then clear the error */ |
---|
2221 | if( ( tor->error == TR_STAT_TRACKER_WARNING ) |
---|
2222 | || ( tor->error == TR_STAT_TRACKER_ERROR ) ) |
---|
2223 | { |
---|
2224 | tr_bool clear = TRUE; |
---|
2225 | |
---|
2226 | for( i=0; clear && i<trackerCount; ++i ) |
---|
2227 | if( !strcmp( trackers[i].announce, tor->errorTracker ) ) |
---|
2228 | clear = FALSE; |
---|
2229 | |
---|
2230 | if( clear ) |
---|
2231 | tr_torrentClearError( tor ); |
---|
2232 | } |
---|
2233 | |
---|
2234 | /* tell the announcer to reload this torrent's tracker list */ |
---|
2235 | tr_announcerResetTorrent( tor->session->announcer, tor ); |
---|
2236 | } |
---|
2237 | |
---|
2238 | tr_torrentUnlock( tor ); |
---|
2239 | return ok; |
---|
2240 | } |
---|
2241 | |
---|
2242 | /** |
---|
2243 | *** |
---|
2244 | **/ |
---|
2245 | |
---|
2246 | void |
---|
2247 | tr_torrentSetAddedDate( tr_torrent * tor, |
---|
2248 | time_t t ) |
---|
2249 | { |
---|
2250 | assert( tr_isTorrent( tor ) ); |
---|
2251 | |
---|
2252 | tor->addedDate = t; |
---|
2253 | tor->anyDate = MAX( tor->anyDate, tor->addedDate ); |
---|
2254 | } |
---|
2255 | |
---|
2256 | void |
---|
2257 | tr_torrentSetActivityDate( tr_torrent * tor, time_t t ) |
---|
2258 | { |
---|
2259 | assert( tr_isTorrent( tor ) ); |
---|
2260 | |
---|
2261 | tor->activityDate = t; |
---|
2262 | tor->anyDate = MAX( tor->anyDate, tor->activityDate ); |
---|
2263 | } |
---|
2264 | |
---|
2265 | void |
---|
2266 | tr_torrentSetDoneDate( tr_torrent * tor, |
---|
2267 | time_t t ) |
---|
2268 | { |
---|
2269 | assert( tr_isTorrent( tor ) ); |
---|
2270 | |
---|
2271 | tor->doneDate = t; |
---|
2272 | tor->anyDate = MAX( tor->anyDate, tor->doneDate ); |
---|
2273 | } |
---|
2274 | |
---|
2275 | /** |
---|
2276 | *** |
---|
2277 | **/ |
---|
2278 | |
---|
2279 | uint64_t |
---|
2280 | tr_torrentGetBytesLeftToAllocate( const tr_torrent * tor ) |
---|
2281 | { |
---|
2282 | tr_file_index_t i; |
---|
2283 | uint64_t bytesLeft = 0; |
---|
2284 | |
---|
2285 | assert( tr_isTorrent( tor ) ); |
---|
2286 | |
---|
2287 | for( i=0; i<tor->info.fileCount; ++i ) |
---|
2288 | { |
---|
2289 | if( !tor->info.files[i].dnd ) |
---|
2290 | { |
---|
2291 | struct stat sb; |
---|
2292 | const uint64_t length = tor->info.files[i].length; |
---|
2293 | char * path = tr_torrentFindFile( tor, i ); |
---|
2294 | |
---|
2295 | bytesLeft += length; |
---|
2296 | |
---|
2297 | if( ( path != NULL ) && !stat( path, &sb ) |
---|
2298 | && S_ISREG( sb.st_mode ) |
---|
2299 | && ( (uint64_t)sb.st_size <= length ) ) |
---|
2300 | bytesLeft -= sb.st_size; |
---|
2301 | |
---|
2302 | tr_free( path ); |
---|
2303 | } |
---|
2304 | } |
---|
2305 | |
---|
2306 | return bytesLeft; |
---|
2307 | } |
---|
2308 | |
---|
2309 | /**** |
---|
2310 | ***** Removing the torrent's local data |
---|
2311 | ****/ |
---|
2312 | |
---|
2313 | static int |
---|
2314 | vstrcmp( const void * a, const void * b ) |
---|
2315 | { |
---|
2316 | return strcmp( a, b ); |
---|
2317 | } |
---|
2318 | |
---|
2319 | static int |
---|
2320 | compareLongestFirst( const void * a, const void * b ) |
---|
2321 | { |
---|
2322 | const size_t alen = strlen( a ); |
---|
2323 | const size_t blen = strlen( b ); |
---|
2324 | |
---|
2325 | if( alen != blen ) |
---|
2326 | return alen > blen ? -1 : 1; |
---|
2327 | |
---|
2328 | return vstrcmp( a, b ); |
---|
2329 | } |
---|
2330 | |
---|
2331 | static void |
---|
2332 | addDirtyFile( const char * root, |
---|
2333 | const char * filename, |
---|
2334 | tr_ptrArray * dirtyFolders ) |
---|
2335 | { |
---|
2336 | char * dir = tr_dirname( filename ); |
---|
2337 | |
---|
2338 | /* add the parent folders to dirtyFolders until we reach the root or a known-dirty */ |
---|
2339 | while ( ( dir != NULL ) |
---|
2340 | && ( strlen( root ) <= strlen( dir ) ) |
---|
2341 | && ( tr_ptrArrayFindSorted( dirtyFolders, dir, vstrcmp ) == NULL ) ) |
---|
2342 | { |
---|
2343 | char * tmp; |
---|
2344 | tr_ptrArrayInsertSorted( dirtyFolders, tr_strdup( dir ), vstrcmp ); |
---|
2345 | |
---|
2346 | tmp = tr_dirname( dir ); |
---|
2347 | tr_free( dir ); |
---|
2348 | dir = tmp; |
---|
2349 | } |
---|
2350 | |
---|
2351 | tr_free( dir ); |
---|
2352 | } |
---|
2353 | |
---|
2354 | static void |
---|
2355 | walkLocalData( const tr_torrent * tor, |
---|
2356 | const char * root, |
---|
2357 | const char * dir, |
---|
2358 | const char * base, |
---|
2359 | tr_ptrArray * torrentFiles, |
---|
2360 | tr_ptrArray * folders, |
---|
2361 | tr_ptrArray * dirtyFolders ) |
---|
2362 | { |
---|
2363 | int i; |
---|
2364 | struct stat sb; |
---|
2365 | char * buf; |
---|
2366 | |
---|
2367 | assert( tr_isTorrent( tor ) ); |
---|
2368 | |
---|
2369 | buf = tr_buildPath( dir, base, NULL ); |
---|
2370 | i = stat( buf, &sb ); |
---|
2371 | if( !i ) |
---|
2372 | { |
---|
2373 | DIR * odir = NULL; |
---|
2374 | |
---|
2375 | if( S_ISDIR( sb.st_mode ) && ( ( odir = opendir ( buf ) ) ) ) |
---|
2376 | { |
---|
2377 | struct dirent *d; |
---|
2378 | tr_ptrArrayInsertSorted( folders, tr_strdup( buf ), vstrcmp ); |
---|
2379 | for( d = readdir( odir ); d != NULL; d = readdir( odir ) ) |
---|
2380 | if( d->d_name && d->d_name[0] != '.' ) /* skip dotfiles */ |
---|
2381 | walkLocalData( tor, root, buf, d->d_name, torrentFiles, folders, dirtyFolders ); |
---|
2382 | closedir( odir ); |
---|
2383 | } |
---|
2384 | else if( S_ISREG( sb.st_mode ) && ( sb.st_size > 0 ) ) |
---|
2385 | { |
---|
2386 | const char * sub = buf + strlen( tor->currentDir ) + strlen( TR_PATH_DELIMITER_STR ); |
---|
2387 | const tr_bool isTorrentFile = tr_ptrArrayFindSorted( torrentFiles, sub, vstrcmp ) != NULL; |
---|
2388 | if( !isTorrentFile ) |
---|
2389 | addDirtyFile( root, buf, dirtyFolders ); |
---|
2390 | } |
---|
2391 | } |
---|
2392 | |
---|
2393 | tr_free( buf ); |
---|
2394 | } |
---|
2395 | |
---|
2396 | static void |
---|
2397 | deleteLocalFile( const char * filename, tr_fileFunc fileFunc ) |
---|
2398 | { |
---|
2399 | struct stat sb; |
---|
2400 | if( !stat( filename, &sb ) ) /* if file exists... */ |
---|
2401 | fileFunc( filename ); |
---|
2402 | } |
---|
2403 | |
---|
2404 | static void |
---|
2405 | deleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc ) |
---|
2406 | { |
---|
2407 | int i, n; |
---|
2408 | char ** s; |
---|
2409 | tr_file_index_t f; |
---|
2410 | tr_ptrArray torrentFiles = TR_PTR_ARRAY_INIT; |
---|
2411 | tr_ptrArray folders = TR_PTR_ARRAY_INIT; |
---|
2412 | tr_ptrArray dirtyFolders = TR_PTR_ARRAY_INIT; /* dirty == contains non-torrent files */ |
---|
2413 | |
---|
2414 | const char * firstFile = tor->info.files[0].name; |
---|
2415 | const char * cpch = strchr( firstFile, TR_PATH_DELIMITER ); |
---|
2416 | char * tmp = cpch ? tr_strndup( firstFile, cpch - firstFile ) : NULL; |
---|
2417 | char * root = tr_buildPath( tor->currentDir, tmp, NULL ); |
---|
2418 | |
---|
2419 | assert( tr_isTorrent( tor ) ); |
---|
2420 | |
---|
2421 | for( f=0; f<tor->info.fileCount; ++f ) { |
---|
2422 | tr_ptrArrayInsertSorted( &torrentFiles, tr_strdup( tor->info.files[f].name ), vstrcmp ); |
---|
2423 | tr_ptrArrayInsertSorted( &torrentFiles, tr_torrentBuildPartial( tor, f ), vstrcmp ); |
---|
2424 | } |
---|
2425 | |
---|
2426 | /* build the set of folders and dirtyFolders */ |
---|
2427 | walkLocalData( tor, root, root, NULL, &torrentFiles, &folders, &dirtyFolders ); |
---|
2428 | |
---|
2429 | /* try to remove entire folders first, so that the recycle bin will be tidy */ |
---|
2430 | s = (char**) tr_ptrArrayPeek( &folders, &n ); |
---|
2431 | for( i=0; i<n; ++i ) |
---|
2432 | if( tr_ptrArrayFindSorted( &dirtyFolders, s[i], vstrcmp ) == NULL ) |
---|
2433 | deleteLocalFile( s[i], fileFunc ); |
---|
2434 | |
---|
2435 | /* now blow away any remaining torrent files, such as torrent files in dirty folders */ |
---|
2436 | for( i=0, n=tr_ptrArraySize( &torrentFiles ); i<n; ++i ) { |
---|
2437 | char * path = tr_buildPath( tor->currentDir, tr_ptrArrayNth( &torrentFiles, i ), NULL ); |
---|
2438 | deleteLocalFile( path, fileFunc ); |
---|
2439 | tr_free( path ); |
---|
2440 | } |
---|
2441 | |
---|
2442 | /* Now clean out the directories left empty from the previous step. |
---|
2443 | * Work from deepest to shallowest s.t. lower folders |
---|
2444 | * won't prevent the upper folders from being deleted */ |
---|
2445 | { |
---|
2446 | tr_ptrArray cleanFolders = TR_PTR_ARRAY_INIT; |
---|
2447 | s = (char**) tr_ptrArrayPeek( &folders, &n ); |
---|
2448 | for( i=0; i<n; ++i ) |
---|
2449 | if( tr_ptrArrayFindSorted( &dirtyFolders, s[i], vstrcmp ) == NULL ) |
---|
2450 | tr_ptrArrayInsertSorted( &cleanFolders, s[i], compareLongestFirst ); |
---|
2451 | s = (char**) tr_ptrArrayPeek( &cleanFolders, &n ); |
---|
2452 | for( i=0; i<n; ++i ) { |
---|
2453 | #ifdef SYS_DARWIN |
---|
2454 | char * dsStore = tr_buildPath( s[i], ".DS_Store", NULL ); |
---|
2455 | deleteLocalFile( dsStore, fileFunc ); |
---|
2456 | tr_free( dsStore ); |
---|
2457 | #endif |
---|
2458 | deleteLocalFile( s[i], fileFunc ); |
---|
2459 | } |
---|
2460 | tr_ptrArrayDestruct( &cleanFolders, NULL ); |
---|
2461 | } |
---|
2462 | |
---|
2463 | /* cleanup */ |
---|
2464 | tr_ptrArrayDestruct( &dirtyFolders, tr_free ); |
---|
2465 | tr_ptrArrayDestruct( &folders, tr_free ); |
---|
2466 | tr_ptrArrayDestruct( &torrentFiles, tr_free ); |
---|
2467 | tr_free( root ); |
---|
2468 | tr_free( tmp ); |
---|
2469 | } |
---|
2470 | |
---|
2471 | void |
---|
2472 | tr_torrentDeleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc ) |
---|
2473 | { |
---|
2474 | assert( tr_isTorrent( tor ) ); |
---|
2475 | |
---|
2476 | if( fileFunc == NULL ) |
---|
2477 | fileFunc = remove; |
---|
2478 | |
---|
2479 | /* close all the files because we're about to delete them */ |
---|
2480 | tr_fdTorrentClose( tor->session, tor->uniqueId ); |
---|
2481 | |
---|
2482 | if( tor->info.fileCount > 1 ) |
---|
2483 | { |
---|
2484 | deleteLocalData( tor, fileFunc ); |
---|
2485 | } |
---|
2486 | else if( tor->info.fileCount == 1 ) |
---|
2487 | { |
---|
2488 | char * tmp; |
---|
2489 | |
---|
2490 | /* torrent only has one file */ |
---|
2491 | char * path = tr_buildPath( tor->currentDir, tor->info.files[0].name, NULL ); |
---|
2492 | deleteLocalFile( path, fileFunc ); |
---|
2493 | tr_free( path ); |
---|
2494 | |
---|
2495 | tmp = tr_torrentBuildPartial( tor, 0 ); |
---|
2496 | path = tr_buildPath( tor->currentDir, tmp, NULL ); |
---|
2497 | deleteLocalFile( path, fileFunc ); |
---|
2498 | tr_free( path ); |
---|
2499 | tr_free( tmp ); |
---|
2500 | } |
---|
2501 | } |
---|
2502 | |
---|
2503 | /*** |
---|
2504 | **** |
---|
2505 | ***/ |
---|
2506 | |
---|
2507 | struct LocationData |
---|
2508 | { |
---|
2509 | tr_bool move_from_old_location; |
---|
2510 | int * setme_state; |
---|
2511 | double * setme_progress; |
---|
2512 | char * location; |
---|
2513 | tr_torrent * tor; |
---|
2514 | }; |
---|
2515 | |
---|
2516 | static tr_bool |
---|
2517 | isSameLocation( const char * path1, const char * path2 ) |
---|
2518 | { |
---|
2519 | struct stat s1, s2; |
---|
2520 | const int err1 = stat( path1, &s1 ); |
---|
2521 | const int err2 = stat( path2, &s2 ); |
---|
2522 | |
---|
2523 | if( !err1 && !err2 ) { |
---|
2524 | tr_dbg( "path1 dev:inode is %"PRIu64":%"PRIu64"; " |
---|
2525 | "path2 dev:inode is %"PRIu64":%"PRIu64, |
---|
2526 | (uint64_t)s1.st_dev, (uint64_t)s1.st_ino, |
---|
2527 | (uint64_t)s2.st_dev, (uint64_t)s2.st_ino ); |
---|
2528 | return ( s1.st_dev == s2.st_dev ) |
---|
2529 | && ( s1.st_ino == s2.st_ino ); |
---|
2530 | } |
---|
2531 | |
---|
2532 | /* either one, or the other, or both don't exist... */ |
---|
2533 | tr_dbg( "stat(%s) returned %d\n", path1, err1 ); |
---|
2534 | tr_dbg( "stat(%s) returned %d\n", path2, err2 ); |
---|
2535 | return FALSE; |
---|
2536 | } |
---|
2537 | |
---|
2538 | static void |
---|
2539 | setLocation( void * vdata ) |
---|
2540 | { |
---|
2541 | tr_bool err = FALSE; |
---|
2542 | tr_bool verify_needed = FALSE; |
---|
2543 | struct LocationData * data = vdata; |
---|
2544 | tr_torrent * tor = data->tor; |
---|
2545 | const tr_bool do_move = data->move_from_old_location; |
---|
2546 | const char * location = data->location; |
---|
2547 | double bytesHandled = 0; |
---|
2548 | |
---|
2549 | assert( tr_isTorrent( tor ) ); |
---|
2550 | |
---|
2551 | tr_dbg( "Moving \"%s\" location from currentDir \"%s\" to \"%s\"", |
---|
2552 | tr_torrentName(tor), tor->currentDir, location ); |
---|
2553 | |
---|
2554 | tr_mkdirp( location, 0777 ); |
---|
2555 | |
---|
2556 | if( !isSameLocation( location, tor->currentDir ) ) |
---|
2557 | { |
---|
2558 | tr_file_index_t i; |
---|
2559 | |
---|
2560 | /* bad idea to move files while they're being verified... */ |
---|
2561 | tr_verifyRemove( tor ); |
---|
2562 | |
---|
2563 | /* if the torrent is running, stop it and set a flag to |
---|
2564 | * restart after we're done */ |
---|
2565 | if( tor->isRunning ) |
---|
2566 | { |
---|
2567 | tr_torrentStop( tor ); |
---|
2568 | tor->startAfterVerify = TRUE; |
---|
2569 | } |
---|
2570 | |
---|
2571 | /* try to move the files. |
---|
2572 | * FIXME: there are still all kinds of nasty cases, like what |
---|
2573 | * if the target directory runs out of space halfway through... */ |
---|
2574 | for( i=0; !err && i<tor->info.fileCount; ++i ) |
---|
2575 | { |
---|
2576 | const tr_file * f = &tor->info.files[i]; |
---|
2577 | const char * oldbase; |
---|
2578 | char * sub; |
---|
2579 | if( tr_torrentFindFile2( tor, i, &oldbase, &sub ) ) |
---|
2580 | { |
---|
2581 | char * oldpath = tr_buildPath( oldbase, sub, NULL ); |
---|
2582 | char * newpath = tr_buildPath( location, sub, NULL ); |
---|
2583 | |
---|
2584 | tr_dbg( "Found file #%d: %s", (int)i, oldpath ); |
---|
2585 | |
---|
2586 | if( do_move ) |
---|
2587 | { |
---|
2588 | tr_bool renamed = FALSE; |
---|
2589 | errno = 0; |
---|
2590 | tr_torinf( tor, "moving \"%s\" to \"%s\"", oldpath, newpath ); |
---|
2591 | if( tr_moveFile( oldpath, newpath, &renamed ) ) |
---|
2592 | { |
---|
2593 | err = TRUE; |
---|
2594 | tr_torerr( tor, "error moving \"%s\" to \"%s\": %s", |
---|
2595 | oldpath, newpath, tr_strerror( errno ) ); |
---|
2596 | } |
---|
2597 | else if( !renamed ) |
---|
2598 | { |
---|
2599 | verify_needed = TRUE; |
---|
2600 | } |
---|
2601 | } |
---|
2602 | |
---|
2603 | tr_free( newpath ); |
---|
2604 | tr_free( oldpath ); |
---|
2605 | tr_free( sub ); |
---|
2606 | } |
---|
2607 | |
---|
2608 | if( data->setme_progress ) |
---|
2609 | { |
---|
2610 | bytesHandled += f->length; |
---|
2611 | *data->setme_progress = bytesHandled / tor->info.totalSize; |
---|
2612 | } |
---|
2613 | } |
---|
2614 | |
---|
2615 | if( !err ) |
---|
2616 | { |
---|
2617 | /* blow away the leftover subdirectories in the old location */ |
---|
2618 | if( do_move ) |
---|
2619 | tr_torrentDeleteLocalData( tor, remove ); |
---|
2620 | |
---|
2621 | /* set the new location and reverify */ |
---|
2622 | tr_torrentSetDownloadDir( tor, location ); |
---|
2623 | if( verify_needed ) |
---|
2624 | tr_torrentVerify( tor ); |
---|
2625 | else if( tor->startAfterVerify ) { |
---|
2626 | tor->startAfterVerify = FALSE; |
---|
2627 | tr_torrentStart( tor ); |
---|
2628 | } |
---|
2629 | } |
---|
2630 | } |
---|
2631 | |
---|
2632 | if( !err && do_move ) |
---|
2633 | { |
---|
2634 | tr_free( tor->incompleteDir ); |
---|
2635 | tor->incompleteDir = NULL; |
---|
2636 | tor->currentDir = tor->downloadDir; |
---|
2637 | } |
---|
2638 | |
---|
2639 | if( data->setme_state ) |
---|
2640 | *data->setme_state = err ? TR_LOC_ERROR : TR_LOC_DONE; |
---|
2641 | |
---|
2642 | /* cleanup */ |
---|
2643 | tr_free( data->location ); |
---|
2644 | tr_free( data ); |
---|
2645 | } |
---|
2646 | |
---|
2647 | void |
---|
2648 | tr_torrentSetLocation( tr_torrent * tor, |
---|
2649 | const char * location, |
---|
2650 | tr_bool move_from_old_location, |
---|
2651 | double * setme_progress, |
---|
2652 | int * setme_state ) |
---|
2653 | { |
---|
2654 | struct LocationData * data; |
---|
2655 | |
---|
2656 | assert( tr_isTorrent( tor ) ); |
---|
2657 | |
---|
2658 | if( setme_state ) |
---|
2659 | *setme_state = TR_LOC_MOVING; |
---|
2660 | if( setme_progress ) |
---|
2661 | *setme_progress = 0; |
---|
2662 | |
---|
2663 | /* run this in the libtransmission thread */ |
---|
2664 | data = tr_new( struct LocationData, 1 ); |
---|
2665 | data->tor = tor; |
---|
2666 | data->location = tr_strdup( location ); |
---|
2667 | data->move_from_old_location = move_from_old_location; |
---|
2668 | data->setme_state = setme_state; |
---|
2669 | data->setme_progress = setme_progress; |
---|
2670 | tr_runInEventThread( tor->session, setLocation, data ); |
---|
2671 | } |
---|
2672 | |
---|
2673 | /*** |
---|
2674 | **** |
---|
2675 | ***/ |
---|
2676 | |
---|
2677 | void |
---|
2678 | tr_torrentFileCompleted( tr_torrent * tor, tr_file_index_t fileNum ) |
---|
2679 | { |
---|
2680 | char * sub; |
---|
2681 | const char * base; |
---|
2682 | |
---|
2683 | /* close the file so that we can reopen in read-only mode as needed */ |
---|
2684 | tr_fdFileClose( tor->session, tor, fileNum ); |
---|
2685 | |
---|
2686 | /* if the torrent's current filename isn't the same as the one in the |
---|
2687 | * metadata -- for example, if it had the ".part" suffix appended to |
---|
2688 | * it until now -- then rename it to match the one in the metadata */ |
---|
2689 | if( tr_torrentFindFile2( tor, fileNum, &base, &sub ) ) |
---|
2690 | { |
---|
2691 | const tr_file * file = &tor->info.files[fileNum]; |
---|
2692 | |
---|
2693 | if( strcmp( sub, file->name ) ) |
---|
2694 | { |
---|
2695 | char * oldpath = tr_buildPath( base, sub, NULL ); |
---|
2696 | char * newpath = tr_buildPath( base, file->name, NULL ); |
---|
2697 | |
---|
2698 | if( rename( oldpath, newpath ) ) |
---|
2699 | tr_torerr( tor, "Error moving \"%s\" to \"%s\": %s", oldpath, newpath, tr_strerror( errno ) ); |
---|
2700 | |
---|
2701 | tr_free( newpath ); |
---|
2702 | tr_free( oldpath ); |
---|
2703 | } |
---|
2704 | |
---|
2705 | tr_free( sub ); |
---|
2706 | } |
---|
2707 | } |
---|
2708 | |
---|
2709 | /*** |
---|
2710 | **** |
---|
2711 | ***/ |
---|
2712 | |
---|
2713 | static tr_bool |
---|
2714 | fileExists( const char * filename ) |
---|
2715 | { |
---|
2716 | struct stat sb; |
---|
2717 | const tr_bool ok = !stat( filename, &sb ); |
---|
2718 | return ok; |
---|
2719 | } |
---|
2720 | |
---|
2721 | tr_bool |
---|
2722 | tr_torrentFindFile2( const tr_torrent * tor, tr_file_index_t fileNum, |
---|
2723 | const char ** base, char ** subpath ) |
---|
2724 | { |
---|
2725 | char * part; |
---|
2726 | const tr_file * file; |
---|
2727 | const char * b = NULL; |
---|
2728 | const char * s = NULL; |
---|
2729 | |
---|
2730 | assert( tr_isTorrent( tor ) ); |
---|
2731 | assert( fileNum < tor->info.fileCount ); |
---|
2732 | |
---|
2733 | file = &tor->info.files[fileNum]; |
---|
2734 | part = tr_torrentBuildPartial( tor, fileNum ); |
---|
2735 | |
---|
2736 | if( b == NULL ) { |
---|
2737 | char * filename = tr_buildPath( tor->downloadDir, file->name, NULL ); |
---|
2738 | if( fileExists( filename ) ) { |
---|
2739 | b = tor->downloadDir; |
---|
2740 | s = file->name; |
---|
2741 | } |
---|
2742 | tr_free( filename ); |
---|
2743 | } |
---|
2744 | |
---|
2745 | if( ( b == NULL ) && ( tor->incompleteDir != NULL ) ) { |
---|
2746 | char * filename = tr_buildPath( tor->incompleteDir, file->name, NULL ); |
---|
2747 | if( fileExists( filename ) ) { |
---|
2748 | b = tor->incompleteDir; |
---|
2749 | s = file->name; |
---|
2750 | } |
---|
2751 | tr_free( filename ); |
---|
2752 | } |
---|
2753 | |
---|
2754 | if( ( b == NULL ) && ( tor->incompleteDir != NULL ) ) { |
---|
2755 | char * filename = tr_buildPath( tor->incompleteDir, part, NULL ); |
---|
2756 | if( fileExists( filename ) ) { |
---|
2757 | b = tor->incompleteDir; |
---|
2758 | s = part; |
---|
2759 | } |
---|
2760 | tr_free( filename ); |
---|
2761 | } |
---|
2762 | |
---|
2763 | if( b == NULL) { |
---|
2764 | char * filename = tr_buildPath( tor->downloadDir, part, NULL ); |
---|
2765 | if( fileExists( filename ) ) { |
---|
2766 | b = tor->downloadDir; |
---|
2767 | s = part; |
---|
2768 | } |
---|
2769 | tr_free( filename ); |
---|
2770 | } |
---|
2771 | |
---|
2772 | if( base != NULL ) |
---|
2773 | *base = b; |
---|
2774 | if( subpath != NULL ) |
---|
2775 | *subpath = tr_strdup( s ); |
---|
2776 | |
---|
2777 | tr_free( part ); |
---|
2778 | return b != NULL; |
---|
2779 | } |
---|
2780 | |
---|
2781 | char* |
---|
2782 | tr_torrentFindFile( const tr_torrent * tor, tr_file_index_t fileNum ) |
---|
2783 | { |
---|
2784 | char * subpath; |
---|
2785 | char * ret = NULL; |
---|
2786 | const char * base; |
---|
2787 | |
---|
2788 | if( tr_torrentFindFile2( tor, fileNum, &base, &subpath ) ) |
---|
2789 | { |
---|
2790 | ret = tr_buildPath( base, subpath, NULL ); |
---|
2791 | tr_free( subpath ); |
---|
2792 | } |
---|
2793 | |
---|
2794 | return ret; |
---|
2795 | } |
---|
2796 | |
---|
2797 | /* Decide whether we should be looking for files in downloadDir or incompleteDir. */ |
---|
2798 | static void |
---|
2799 | refreshCurrentDir( tr_torrent * tor ) |
---|
2800 | { |
---|
2801 | const char * dir = NULL; |
---|
2802 | char * sub; |
---|
2803 | |
---|
2804 | if( tor->incompleteDir == NULL ) |
---|
2805 | dir = tor->downloadDir; |
---|
2806 | else if( !tr_torrentHasMetadata( tor ) ) /* no files to find */ |
---|
2807 | dir = tor->incompleteDir; |
---|
2808 | else if( !tr_torrentFindFile2( tor, 0, &dir, &sub ) ) |
---|
2809 | dir = tor->incompleteDir; |
---|
2810 | |
---|
2811 | assert( dir != NULL ); |
---|
2812 | assert( ( dir == tor->downloadDir ) || ( dir == tor->incompleteDir ) ); |
---|
2813 | tor->currentDir = dir; |
---|
2814 | } |
---|
2815 | |
---|
2816 | char* |
---|
2817 | tr_torrentBuildPartial( const tr_torrent * tor, tr_file_index_t fileNum ) |
---|
2818 | { |
---|
2819 | return tr_strdup_printf( "%s.part", tor->info.files[fileNum].name ); |
---|
2820 | } |
---|