1 files changed, 95 insertions, 0 deletions
diff --git a/testing/talos/talos/pageloader/chrome/MozillaFileLogger.js b/testing/talos/talos/pageloader/chrome/MozillaFileLogger.js
new file mode 100644
index 0000000000..3da728ef67
--- /dev/null
+++ b/testing/talos/talos/pageloader/chrome/MozillaFileLogger.js
@@ -0,0 +1,95 @@
+/* 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