Index: chrome/test/data/webrtc/wsh/webrtc_write_wsh.py |
diff --git a/chrome/test/data/webrtc/wsh/webrtc_write_wsh.py b/chrome/test/data/webrtc/wsh/webrtc_write_wsh.py |
new file mode 100644 |
index 0000000000000000000000000000000000000000..84c94e456cf59f33ef3bb40f3e60518d2498b395 |
--- /dev/null |
+++ b/chrome/test/data/webrtc/wsh/webrtc_write_wsh.py |
@@ -0,0 +1,76 @@ |
+# Copyright (c) 2012 The Chromium Authors. All rights reserved. |
+# Use of this source code is governed by a BSD-style license that can be |
+# found in the LICENSE file. |
+# |
+# This module is handler for incoming data to the pywebsocket standalone server |
+# (source is in http://code.google.com/p/pywebsocket/source/browse/trunk/src/). |
+# It follows the conventions of the pywebsocket server and in our case receives |
+# and stores incoming frames to disk. |
+ |
+import Queue |
+import os |
+import sys |
+import threading |
+ |
+_NUMBER_OF_WRITER_THREADS = 10 |
+ |
+_HOME_ENV_NAME = 'HOMEPATH' if 'win32' == sys.platform else 'HOME' |
+_WORKING_DIR = os.path.join(os.environ[_HOME_ENV_NAME], 'webrtc_video_quality') |
+ |
+# I couldn't think of other way to handle this but through a global variable |
+g_frame_number_counter = 0 |
+g_frames_queue = Queue.Queue() |
+ |
+ |
+def web_socket_do_extra_handshake(request): |
+ pass # Always accept. |
+ |
+ |
+def web_socket_transfer_data(request): |
+ while True: |
+ data = request.ws_stream.receive_message() |
+ if data is None: |
+ return |
+ |
+ # We assume we will receive only frames, i.e. binary data |
+ global g_frame_number_counter |
+ frame_number = str(g_frame_number_counter) |
+ g_frame_number_counter += 1 |
+ g_frames_queue.put((frame_number, data)) |
+ |
+ |
+class FrameWriterThread(threading.Thread): |
+ """Writes received frames to disk. |
+ |
+ The frames are named in the format frame_xxxx, where xxxx is the 0-padded |
+ frame number. The frames and their numbers are obtained from a synchronized |
+ queue. The frames are written in the directory specified by _WORKING_DIR. |
+ """ |
+ def __init__(self, queue): |
+ threading.Thread.__init__(self) |
+ self._queue = queue |
+ |
+ def run(self): |
+ while True: |
+ frame_number, frame_data = self._queue.get() |
+ file_name = 'frame_' + frame_number.zfill(4) |
+ file_name = os.path.join(_WORKING_DIR, file_name) |
+ frame = open(file_name, "wb") |
+ frame.write(frame_data) |
+ frame.close() |
+ self._queue.task_done() |
+ |
+ |
+def start_threads(): |
+ for i in range(_NUMBER_OF_WRITER_THREADS): |
+ t = FrameWriterThread(g_frames_queue) |
+ t.setDaemon(True) |
+ t.start() |
+ g_frames_queue.join() |
+ |
+ |
+# This handler's entire code is imported as 'it is' and then incorporated in the |
+# code of the standalone pywebsocket server. If we put this start_threads() call |
+# inside a if __name__ == '__main__' clause it wouldn't run this code at all |
+# (tested). |
+start_threads() |