diff options
Diffstat (limited to 'src/3rdparty/v8/tools/testrunner/server/compression.py')
-rw-r--r-- | src/3rdparty/v8/tools/testrunner/server/compression.py | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/3rdparty/v8/tools/testrunner/server/compression.py b/src/3rdparty/v8/tools/testrunner/server/compression.py deleted file mode 100644 index d5ed415..0000000 --- a/src/3rdparty/v8/tools/testrunner/server/compression.py +++ /dev/null @@ -1,111 +0,0 @@ -# Copyright 2012 the V8 project authors. All rights reserved. -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following -# disclaimer in the documentation and/or other materials provided -# with the distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived -# from this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -import cStringIO as StringIO -try: - import ujson as json -except ImportError: - import json -import os -import struct -import zlib - -from . import constants - -def Send(obj, sock): - """ - Sends a JSON encodable object over the specified socket (zlib-compressed). - """ - obj = json.dumps(obj) - compression_level = 2 # 1 = fastest, 9 = best compression - compressed = zlib.compress(obj, compression_level) - payload = struct.pack('>i', len(compressed)) + compressed - sock.sendall(payload) - - -class Receiver(object): - def __init__(self, sock): - self.sock = sock - self.data = StringIO.StringIO() - self.datalength = 0 - self._next = self._GetNext() - - def IsDone(self): - return self._next == None - - def Current(self): - return self._next - - def Advance(self): - try: - self._next = self._GetNext() - except: - raise - - def _GetNext(self): - try: - while self.datalength < constants.SIZE_T: - try: - chunk = self.sock.recv(8192) - except: - raise - if not chunk: return None - self._AppendData(chunk) - size = self._PopData(constants.SIZE_T) - size = struct.unpack(">i", size)[0] - while self.datalength < size: - try: - chunk = self.sock.recv(8192) - except: - raise - if not chunk: return None - self._AppendData(chunk) - result = self._PopData(size) - result = zlib.decompress(result) - result = json.loads(result) - if result == constants.END_OF_STREAM: - return None - return result - except: - raise - - def _AppendData(self, new): - self.data.seek(0, os.SEEK_END) - self.data.write(new) - self.datalength += len(new) - - def _PopData(self, length): - self.data.seek(0) - chunk = self.data.read(length) - remaining = self.data.read() - self.data.close() - self.data = StringIO.StringIO() - self.data.write(remaining) - assert self.datalength - length == len(remaining) - self.datalength = len(remaining) - return chunk |