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annotate chrome/MozillaFileLogger.js @ 206:beca399c3a16

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Bug 685632 - Please collect RSS (memory) data during Talos testing on Android. r=jlebar,njn
author Joel Maher <jmaher@mozilla.com>
date Wed, 09 Nov 2011 10:41:03 -0500
parents 59d4f04497dd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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198
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1 /**
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2 * MozillaFileLogger, a log listener that can write to a local file.
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3 */
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4
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5 var ipcMode = false; // running in e10s build and need to use IPC?
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6 try {
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7 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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8 var ipcsanity = Components.classes["@mozilla.org/preferences-service;1"]
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9 .getService(Components.interfaces.nsIPrefBranch);
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10 ipcsanity.setIntPref("mochitest.ipcmode", 0);
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11 } catch (e) {
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12 ipcMode = true;
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13 }
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14
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15 function contentDispatchEvent(type, data, sync) {
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16 if (typeof(data) === "undefined") {
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17 data = {};
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18 }
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19
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20 var element = document.createEvent("datacontainerevent");
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21 element.initEvent("contentEvent", true, false);
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22 element.setData("sync", sync);
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23 element.setData("type", type);
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24 element.setData("data", JSON.stringify(data));
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25 document.dispatchEvent(element);
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26 }
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27
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28 function contentSyncEvent(type, data) {
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29 contentDispatchEvent(type, data, 1);
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30 }
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31
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32 function contentAsyncEvent(type, data) {
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33 contentDispatchEvent(type, data, 0);
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34 }
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35
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36 try {
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37 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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38
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39 if (Cc === undefined) {
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40 var Cc = Components.classes;
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41 var Ci = Components.interfaces;
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42 }
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43 } catch (ex) {} //running in ipcMode-chrome
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44
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45 try {
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46 const FOSTREAM_CID = "@mozilla.org/network/file-output-stream;1";
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47 const LF_CID = "@mozilla.org/file/local;1";
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48
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49 // File status flags. It is a bitwise OR of the following bit flags.
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50 // Only one of the first three flags below may be used.
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51 const PR_READ_ONLY = 0x01; // Open for reading only.
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52 const PR_WRITE_ONLY = 0x02; // Open for writing only.
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53 const PR_READ_WRITE = 0x04; // Open for reading and writing.
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54
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55 // If the file does not exist, the file is created.
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56 // If the file exists, this flag has no effect.
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57 const PR_CREATE_FILE = 0x08;
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58
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59 // The file pointer is set to the end of the file prior to each write.
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60 const PR_APPEND = 0x10;
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61
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62 // If the file exists, its length is truncated to 0.
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63 const PR_TRUNCATE = 0x20;
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64
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65 // If set, each write will wait for both the file data
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66 // and file status to be physically updated.
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67 const PR_SYNC = 0x40;
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68
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69 // If the file does not exist, the file is created. If the file already
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70 // exists, no action and NULL is returned.
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71 const PR_EXCL = 0x80;
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72 } catch (ex) {
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73 // probably not running in the test harness
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74 }
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75
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76 /** Init the file logger with the absolute path to the file.
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77 It will create and append if the file already exists **/
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78 var MozillaFileLogger = {};
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79
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80
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81 MozillaFileLogger.init = function(path) {
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82 if (ipcMode) {
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83 contentAsyncEvent("LoggerInit", {"filename": path});
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84 return;
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85 }
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86
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87 try {
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88 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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89 } catch (ex) {} //running in ipcMode-chrome
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90
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91 MozillaFileLogger._file = Cc[LF_CID].createInstance(Ci.nsILocalFile);
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92 MozillaFileLogger._file.initWithPath(path);
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93 MozillaFileLogger._foStream = Cc[FOSTREAM_CID].createInstance(Ci.nsIFileOutputStream);
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94 MozillaFileLogger._foStream.init(this._file, PR_WRITE_ONLY | PR_CREATE_FILE | PR_APPEND,
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95 0664, 0);
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96 }
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97
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98 MozillaFileLogger.getLogCallback = function() {
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99 if (ipcMode) {
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100 return function(msg) {
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101 contentAsyncEvent("Logger", {"num": msg.num, "level": msg.level, "info": msg.info.join(' ')});
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102 }
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103 }
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104
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105 return function (msg) {
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106 try {
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107 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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108 } catch(ex) {} //running in ipcMode-chrome
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109
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110 var data = msg.num + " " + msg.level + " " + msg.info.join(' ') + "\n";
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111 if (MozillaFileLogger._foStream)
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112 MozillaFileLogger._foStream.write(data, data.length);
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113
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114 if (data.indexOf("SimpleTest FINISH") >= 0) {
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115 MozillaFileLogger.close();
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116 }
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117 }
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118 }
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119
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120 // This is only used from chrome space by the reftest harness
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121 MozillaFileLogger.log = function(msg) {
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122 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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123 if (MozillaFileLogger._foStream)
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124 MozillaFileLogger._foStream.write(msg, msg.length);
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125 }
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126
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127 MozillaFileLogger.close = function() {
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128 if (ipcMode) {
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129 contentAsyncEvent("LoggerClose");
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130 return;
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131 }
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132
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133 try {
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134 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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135 } catch(ex) {} //running in ipcMode-chrome
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136
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137 if(MozillaFileLogger._foStream)
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138 MozillaFileLogger._foStream.close();
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139
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140 MozillaFileLogger._foStream = null;
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141 MozillaFileLogger._file = null;
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142 }
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143
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144 if (ipcMode == false) {
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145 try {
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146 var prefs = Components.classes['@mozilla.org/preferences-service;1']
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147 .getService(Components.interfaces.nsIPrefBranch2);
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148 var filename = prefs.getCharPref('talos.logfile');
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149 MozillaFileLogger.init(filename);
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150 } catch (ex) {} //pref does not exist, return empty string
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151 }
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152
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153