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# 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 os
import SocketServer
import stat
import subprocess
import threading
from . import compression
from . import constants
from . import signatures
from ..network import endpoint
from ..objects import workpacket
class WorkHandler(SocketServer.BaseRequestHandler):
def handle(self):
rec = compression.Receiver(self.request)
while not rec.IsDone():
data = rec.Current()
with self.server.job_lock:
self._WorkOnWorkPacket(data)
rec.Advance()
def _WorkOnWorkPacket(self, data):
server_root = self.server.daemon.root
v8_root = os.path.join(server_root, "v8")
os.chdir(v8_root)
packet = workpacket.WorkPacket.Unpack(data)
self.ctx = packet.context
self.ctx.shell_dir = os.path.join("out",
"%s.%s" % (self.ctx.arch, self.ctx.mode))
if not os.path.isdir(self.ctx.shell_dir):
os.makedirs(self.ctx.shell_dir)
for binary in packet.binaries:
if not self._UnpackBinary(binary, packet.pubkey_fingerprint):
return
if not self._CheckoutRevision(packet.base_revision):
return
if not self._ApplyPatch(packet.patch):
return
tests = packet.tests
endpoint.Execute(v8_root, self.ctx, tests, self.request, self.server.daemon)
self._SendResponse()
def _SendResponse(self, error_message=None):
try:
if error_message:
compression.Send([[-1, error_message]], self.request)
compression.Send(constants.END_OF_STREAM, self.request)
return
except Exception, e:
pass # Peer is gone. There's nothing we can do.
# Clean up.
self._Call("git checkout -f")
self._Call("git clean -f -d")
self._Call("rm -rf %s" % self.ctx.shell_dir)
def _UnpackBinary(self, binary, pubkey_fingerprint):
binary_name = binary["name"]
if binary_name == "libv8.so":
libdir = os.path.join(self.ctx.shell_dir, "lib.target")
if not os.path.exists(libdir): os.makedirs(libdir)
target = os.path.join(libdir, binary_name)
else:
target = os.path.join(self.ctx.shell_dir, binary_name)
pubkeyfile = "../trusted/%s.pem" % pubkey_fingerprint
if not signatures.VerifySignature(target, binary["blob"],
binary["sign"], pubkeyfile):
self._SendResponse("Signature verification failed")
return False
os.chmod(target, stat.S_IRWXU)
return True
def _CheckoutRevision(self, base_svn_revision):
get_hash_cmd = (
"git log -1 --format=%%H --remotes --grep='^git-svn-id:.*@%s'" %
base_svn_revision)
try:
base_revision = subprocess.check_output(get_hash_cmd, shell=True)
if not base_revision: raise ValueError
except:
self._Call("git fetch")
try:
base_revision = subprocess.check_output(get_hash_cmd, shell=True)
if not base_revision: raise ValueError
except:
self._SendResponse("Base revision not found.")
return False
code = self._Call("git checkout -f %s" % base_revision)
if code != 0:
self._SendResponse("Error trying to check out base revision.")
return False
code = self._Call("git clean -f -d")
if code != 0:
self._SendResponse("Failed to reset checkout")
return False
return True
def _ApplyPatch(self, patch):
if not patch: return True # Just skip if the patch is empty.
patchfilename = "_dtest_incoming_patch.patch"
with open(patchfilename, "w") as f:
f.write(patch)
code = self._Call("git apply %s" % patchfilename)
if code != 0:
self._SendResponse("Error applying patch.")
return False
return True
def _Call(self, cmd):
return subprocess.call(cmd, shell=True)
class WorkSocketServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
def __init__(self, daemon):
address = (daemon.ip, constants.PEER_PORT)
SocketServer.TCPServer.__init__(self, address, WorkHandler)
self.job_lock = threading.Lock()
self.daemon = daemon
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