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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* MozillaFileLogger, a log listener that can write to a local file.
*/
// double logging to account for normal mode and ipc mode (mobile_profile only)
// Ideally we would remove the dump() and just do ipc logging
function dumpLog(msg) {
dump(msg);
MozillaFileLogger.log(msg);
}
const FOSTREAM_CID = "@mozilla.org/network/file-output-stream;1";
const LF_CID = "@mozilla.org/file/local;1";
// File status flags. It is a bitwise OR of the following bit flags.
// Only one of the first three flags below may be used.
const PR_READ_ONLY = 0x01; // Open for reading only.
const PR_WRITE_ONLY = 0x02; // Open for writing only.
const PR_READ_WRITE = 0x04; // Open for reading and writing.
// If the file does not exist, the file is created.
// If the file exists, this flag has no effect.
const PR_CREATE_FILE = 0x08;
// The file pointer is set to the end of the file prior to each write.
const PR_APPEND = 0x10;
// If the file exists, its length is truncated to 0.
const PR_TRUNCATE = 0x20;
// If set, each write will wait for both the file data
// and file status to be physically updated.
const PR_SYNC = 0x40;
// If the file does not exist, the file is created. If the file already
// exists, no action and NULL is returned.
const PR_EXCL = 0x80;
/** Init the file logger with the absolute path to the file.
It will create and append if the file already exists **/
var MozillaFileLogger = {};
MozillaFileLogger.init = function (path) {
MozillaFileLogger._file = Cc[LF_CID].createInstance(Ci.nsIFile);
MozillaFileLogger._file.initWithPath(path);
MozillaFileLogger._foStream = Cc[FOSTREAM_CID].createInstance(
Ci.nsIFileOutputStream
);
MozillaFileLogger._foStream.init(
this._file,
PR_WRITE_ONLY | PR_CREATE_FILE | PR_APPEND,
0o664,
0
);
};
MozillaFileLogger.getLogCallback = function () {
return function (msg) {
var data = msg.num + " " + msg.level + " " + msg.info.join(" ") + "\n";
if (MozillaFileLogger._foStream) {
MozillaFileLogger._foStream.write(data, data.length);
}
if (data.includes("SimpleTest FINISH")) {
MozillaFileLogger.close();
}
};
};
// This is only used from chrome space by the reftest harness
MozillaFileLogger.log = function (msg) {
try {
if (MozillaFileLogger._foStream) {
MozillaFileLogger._foStream.write(msg, msg.length);
}
} catch (ex) {}
};
MozillaFileLogger.close = function () {
if (MozillaFileLogger._foStream) {
MozillaFileLogger._foStream.close();
}
MozillaFileLogger._foStream = null;
MozillaFileLogger._file = null;
};
try {
var filename = Services.prefs.getCharPref("talos.logfile");
MozillaFileLogger.init(filename);
} catch (ex) {} // pref does not exist, return empty string
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