Source code
Revision control
Copy as Markdown
Other Tools
# Copyright 2021 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import contextlib
import json
import os
import pathlib
import socket
import platform
import sys
import struct
sys.path.insert(1, os.path.join(os.path.dirname(__file__), '..'))
from util import build_utils
# Use a unix abstract domain socket:
SOCKET_ADDRESS = '\0chromium_build_server_socket'
BUILD_SERVER_ENV_VARIABLE = 'INVOKED_BY_BUILD_SERVER'
ADD_TASK = 'add_task'
QUERY_BUILD = 'query_build'
POLL_HEARTBEAT = 'poll_heartbeat'
REGISTER_BUILDER = 'register_builder'
CANCEL_BUILD = 'cancel_build'
SERVER_SCRIPT = pathlib.Path(
build_utils.DIR_SOURCE_ROOT
) / 'build' / 'android' / 'fast_local_dev_server.py'
def AssertEnvironmentVariables():
assert os.environ.get('AUTONINJA_BUILD_ID')
assert os.environ.get('AUTONINJA_STDOUT_NAME')
def MaybeRunCommand(name, argv, stamp_file, use_build_server=False):
"""Returns True if the command was successfully sent to the build server."""
if not use_build_server or platform.system() == 'Darwin':
# Build server does not support Mac.
return False
# When the build server runs a command, it sets this environment variable.
# This prevents infinite recursion where the script sends a request to the
# build server, then the build server runs the script, and then the script
# sends another request to the build server.
if BUILD_SERVER_ENV_VARIABLE in os.environ:
return False
build_id = os.environ.get('AUTONINJA_BUILD_ID')
if not build_id:
raise Exception(
'AUTONINJA_BUILD_ID is not set. Should have been set by autoninja.')
stdout_name = os.environ.get('AUTONINJA_STDOUT_NAME')
# If we get a bad tty (happens when autoninja is not run from the terminal
# directly but as part of another script), ignore the build server and build
# normally since the build server will not know where to output to otherwise.
if not stdout_name or not os.path.exists(stdout_name):
return False
with contextlib.closing(socket.socket(socket.AF_UNIX)) as sock:
try:
sock.connect(SOCKET_ADDRESS)
except socket.error as e:
# [Errno 111] Connection refused. Either the server has not been started
# or the server is not currently accepting new connections.
if e.errno == 111:
raise RuntimeError(
'\n\nBuild server is not running and '
'android_static_analysis="build_server" is set.\n\n') from None
raise e
SendMessage(
sock, {
'name': name,
'message_type': ADD_TASK,
'cmd': [sys.executable] + argv,
'cwd': os.getcwd(),
'build_id': build_id,
'stamp_file': stamp_file,
})
# Siso needs the stamp file to be created in order for the build step to
# complete. If the task fails when the build server runs it, the build server
# will delete the stamp file so that it will be run again next build.
build_utils.Touch(stamp_file)
return True
def MaybeTouch(stamp_file):
"""Touch |stamp_file| if we are not running under the build_server."""
# If we are running under the build server, the stamp file has already been
# touched when the task was created. If we touch it again, siso will consider
# the target dirty.
if BUILD_SERVER_ENV_VARIABLE in os.environ:
return
build_utils.Touch(stamp_file)
def SendMessage(sock: socket.socket, message: dict):
data = json.dumps(message).encode('utf-8')
size_prefix = struct.pack('!i', len(data))
sock.sendall(size_prefix + data)
def ReceiveMessage(sock: socket.socket) -> dict:
size_prefix = b''
remaining = 4 # sizeof(int)
while remaining > 0:
data = sock.recv(remaining)
if not data:
return None
remaining -= len(data)
size_prefix += data
remaining, = struct.unpack('!i', size_prefix)
received = []
while remaining > 0:
data = sock.recv(remaining)
if not data:
break
received.append(data)
remaining -= len(data)
if received:
return json.loads(b''.join(received))
return None