1 | /* |
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2 | * This file Copyright (C) 2007-2008 Charles Kerr <charles@rebelbase.com> |
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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: stats.c 7126 2008-11-17 05:05:11Z charles $ |
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11 | */ |
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12 | |
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13 | #include "transmission.h" |
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14 | #include "bencode.h" |
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15 | #include "platform.h" /* tr_sessionGetConfigDir() */ |
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16 | #include "stats.h" |
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17 | #include "utils.h" /* tr_buildPath */ |
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18 | |
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19 | /*** |
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20 | **** |
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21 | ***/ |
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22 | |
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23 | struct tr_stats_handle |
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24 | { |
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25 | tr_session_stats single; |
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26 | tr_session_stats old; |
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27 | time_t startTime; |
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28 | }; |
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29 | |
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30 | static char* |
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31 | getOldFilename( const tr_handle * handle ) |
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32 | { |
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33 | return tr_buildPath( tr_sessionGetConfigDir( handle ), "stats.benc", NULL ); |
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34 | } |
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35 | |
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36 | static char* |
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37 | getFilename( const tr_handle * handle ) |
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38 | { |
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39 | return tr_buildPath( tr_sessionGetConfigDir( handle ), "stats.json", NULL ); |
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40 | } |
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41 | |
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42 | static void |
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43 | loadCumulativeStats( const tr_handle * handle, |
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44 | tr_session_stats * setme ) |
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45 | { |
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46 | int loaded = FALSE; |
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47 | char * filename; |
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48 | tr_benc top; |
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49 | |
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50 | filename = getFilename( handle ); |
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51 | loaded = !tr_bencLoadJSONFile( filename, &top ); |
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52 | tr_free( filename ); |
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53 | |
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54 | if( !loaded ) |
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55 | { |
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56 | filename = getOldFilename( handle ); |
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57 | loaded = !tr_bencLoadFile( filename, &top ); |
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58 | tr_free( filename ); |
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59 | } |
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60 | |
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61 | if( loaded ) |
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62 | { |
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63 | int64_t i; |
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64 | |
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65 | if( tr_bencDictFindInt( &top, "downloaded-bytes", &i ) ) |
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66 | setme->downloadedBytes = (uint64_t) i; |
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67 | if( tr_bencDictFindInt( &top, "files-added", &i ) ) |
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68 | setme->filesAdded = (uint64_t) i; |
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69 | if( tr_bencDictFindInt( &top, "seconds-active", &i ) ) |
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70 | setme->secondsActive = (uint64_t) i; |
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71 | if( tr_bencDictFindInt( &top, "session-count", &i ) ) |
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72 | setme->sessionCount = (uint64_t) i; |
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73 | if( tr_bencDictFindInt( &top, "uploaded-bytes", &i ) ) |
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74 | setme->uploadedBytes = (uint64_t) i; |
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75 | |
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76 | tr_bencFree( &top ); |
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77 | } |
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78 | } |
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79 | |
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80 | static void |
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81 | saveCumulativeStats( const tr_handle * handle, |
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82 | const tr_session_stats * s ) |
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83 | { |
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84 | char * filename; |
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85 | tr_benc top; |
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86 | |
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87 | tr_bencInitDict( &top, 5 ); |
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88 | tr_bencDictAddInt( &top, "downloaded-bytes", s->downloadedBytes ); |
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89 | tr_bencDictAddInt( &top, "files-added", s->filesAdded ); |
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90 | tr_bencDictAddInt( &top, "seconds-active", s->secondsActive ); |
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91 | tr_bencDictAddInt( &top, "session-count", s->sessionCount ); |
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92 | tr_bencDictAddInt( &top, "uploaded-bytes", s->uploadedBytes ); |
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93 | |
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94 | filename = getFilename( handle ); |
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95 | tr_deepLog( __FILE__, __LINE__, NULL, "Saving stats to \"%s\"", filename ); |
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96 | tr_bencSaveJSONFile( filename, &top ); |
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97 | |
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98 | tr_free( filename ); |
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99 | tr_bencFree( &top ); |
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100 | } |
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101 | |
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102 | /*** |
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103 | **** |
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104 | ***/ |
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105 | |
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106 | void |
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107 | tr_statsInit( tr_handle * handle ) |
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108 | { |
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109 | struct tr_stats_handle * stats = tr_new0( struct tr_stats_handle, 1 ); |
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110 | |
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111 | loadCumulativeStats( handle, &stats->old ); |
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112 | stats->single.sessionCount = 1; |
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113 | stats->startTime = time( NULL ); |
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114 | handle->sessionStats = stats; |
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115 | } |
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116 | |
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117 | void |
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118 | tr_statsClose( tr_handle * handle ) |
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119 | { |
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120 | tr_session_stats cumulative; |
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121 | |
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122 | tr_sessionGetCumulativeStats( handle, &cumulative ); |
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123 | saveCumulativeStats( handle, &cumulative ); |
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124 | |
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125 | tr_free( handle->sessionStats ); |
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126 | handle->sessionStats = NULL; |
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127 | } |
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128 | |
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129 | static struct tr_stats_handle * |
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130 | getStats( const tr_handle * handle ) |
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131 | { |
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132 | return handle ? handle->sessionStats : NULL; |
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133 | } |
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134 | |
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135 | /*** |
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136 | **** |
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137 | ***/ |
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138 | |
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139 | static void |
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140 | updateRatio( tr_session_stats * setme ) |
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141 | { |
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142 | setme->ratio = tr_getRatio( setme->uploadedBytes, |
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143 | setme->downloadedBytes ); |
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144 | } |
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145 | |
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146 | static void |
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147 | addStats( tr_session_stats * setme, |
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148 | const tr_session_stats * a, |
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149 | const tr_session_stats * b ) |
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150 | { |
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151 | setme->uploadedBytes = a->uploadedBytes + b->uploadedBytes; |
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152 | setme->downloadedBytes = a->downloadedBytes + b->downloadedBytes; |
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153 | setme->filesAdded = a->filesAdded + b->filesAdded; |
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154 | setme->sessionCount = a->sessionCount + b->sessionCount; |
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155 | setme->secondsActive = a->secondsActive + b->secondsActive; |
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156 | updateRatio( setme ); |
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157 | } |
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158 | |
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159 | void |
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160 | tr_sessionGetStats( const tr_handle * handle, |
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161 | tr_session_stats * setme ) |
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162 | { |
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163 | const struct tr_stats_handle * stats = getStats( handle ); |
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164 | if( stats ) |
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165 | { |
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166 | *setme = stats->single; |
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167 | setme->secondsActive = time( NULL ) - stats->startTime; |
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168 | updateRatio( setme ); |
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169 | } |
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170 | } |
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171 | |
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172 | void |
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173 | tr_sessionGetCumulativeStats( const tr_handle * handle, |
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174 | tr_session_stats * setme ) |
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175 | { |
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176 | const struct tr_stats_handle * stats = getStats( handle ); |
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177 | tr_session_stats current; |
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178 | |
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179 | if( stats ) |
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180 | { |
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181 | tr_sessionGetStats( handle, ¤t ); |
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182 | addStats( setme, &stats->old, ¤t ); |
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183 | } |
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184 | } |
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185 | |
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186 | void |
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187 | tr_sessionClearStats( tr_handle * handle ) |
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188 | { |
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189 | tr_session_stats zero; |
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190 | |
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191 | zero.uploadedBytes = 0; |
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192 | zero.downloadedBytes = 0; |
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193 | zero.ratio = TR_RATIO_NA; |
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194 | zero.filesAdded = 0; |
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195 | zero.sessionCount = 0; |
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196 | zero.secondsActive = 0; |
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197 | handle->sessionStats->single = handle->sessionStats->old = zero; |
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198 | |
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199 | handle->sessionStats->startTime = time( NULL ); |
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200 | } |
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201 | |
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202 | /** |
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203 | *** |
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204 | **/ |
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205 | |
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206 | void |
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207 | tr_statsAddUploaded( tr_handle * handle, |
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208 | uint32_t bytes ) |
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209 | { |
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210 | struct tr_stats_handle * s; |
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211 | |
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212 | if( ( s = getStats( handle ) ) ) |
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213 | s->single.uploadedBytes += bytes; |
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214 | } |
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215 | |
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216 | void |
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217 | tr_statsAddDownloaded( tr_handle * handle, |
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218 | uint32_t bytes ) |
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219 | { |
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220 | struct tr_stats_handle * s; |
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221 | |
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222 | if( ( s = getStats( handle ) ) ) |
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223 | s->single.downloadedBytes += bytes; |
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224 | } |
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225 | |
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226 | void |
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227 | tr_statsFileCreated( tr_handle * handle ) |
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228 | { |
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229 | struct tr_stats_handle * s; |
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230 | |
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231 | if( ( s = getStats( handle ) ) ) |
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232 | s->single.filesAdded++; |
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233 | } |
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234 | |
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