| # Copyright 2015, Google Inc. |
| # 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. |
| |
| from __future__ import print_function |
| |
| from six.moves import urllib |
| import os |
| import subprocess |
| import tempfile |
| import sys |
| import time |
| import jobset |
| import socket |
| |
| def start_port_server(port_server_port): |
| # check if a compatible port server is running |
| # if incompatible (version mismatch) ==> start a new one |
| # if not running ==> start a new one |
| # otherwise, leave it up |
| try: |
| version = int(urllib.request.urlopen( |
| 'http://localhost:%d/version_number' % port_server_port, |
| timeout=10).read()) |
| print('detected port server running version %d' % version) |
| running = True |
| except Exception as e: |
| print('failed to detect port server: %s' % sys.exc_info()[0]) |
| print(e.strerror) |
| running = False |
| if running: |
| current_version = int(subprocess.check_output( |
| [sys.executable, os.path.abspath('tools/run_tests/python_utils/port_server.py'), |
| 'dump_version'])) |
| print('my port server is version %d' % current_version) |
| running = (version >= current_version) |
| if not running: |
| print('port_server version mismatch: killing the old one') |
| urllib.request.urlopen('http://localhost:%d/quitquitquit' % port_server_port).read() |
| time.sleep(1) |
| if not running: |
| fd, logfile = tempfile.mkstemp() |
| os.close(fd) |
| print('starting port_server, with log file %s' % logfile) |
| args = [sys.executable, os.path.abspath('tools/run_tests/python_utils/port_server.py'), |
| '-p', '%d' % port_server_port, '-l', logfile] |
| env = dict(os.environ) |
| env['BUILD_ID'] = 'pleaseDontKillMeJenkins' |
| if jobset.platform_string() == 'windows': |
| # Working directory of port server needs to be outside of Jenkins |
| # workspace to prevent file lock issues. |
| tempdir = tempfile.mkdtemp() |
| port_server = subprocess.Popen( |
| args, |
| env=env, |
| cwd=tempdir, |
| creationflags = 0x00000008, # detached process |
| close_fds=True) |
| else: |
| port_server = subprocess.Popen( |
| args, |
| env=env, |
| preexec_fn=os.setsid, |
| close_fds=True) |
| time.sleep(1) |
| # ensure port server is up |
| waits = 0 |
| while True: |
| if waits > 10: |
| print('killing port server due to excessive start up waits') |
| port_server.kill() |
| if port_server.poll() is not None: |
| print('port_server failed to start') |
| # try one final time: maybe another build managed to start one |
| time.sleep(1) |
| try: |
| urllib.request.urlopen('http://localhost:%d/get' % port_server_port, |
| timeout=1).read() |
| print('last ditch attempt to contact port server succeeded') |
| break |
| except: |
| traceback.print_exc() |
| port_log = open(logfile, 'r').read() |
| print(port_log) |
| sys.exit(1) |
| try: |
| urllib.request.urlopen('http://localhost:%d/get' % port_server_port, |
| timeout=1).read() |
| print('port server is up and ready') |
| break |
| except socket.timeout: |
| print('waiting for port_server: timeout') |
| traceback.print_exc(); |
| time.sleep(1) |
| waits += 1 |
| except urllib.error.URLError: |
| print('waiting for port_server: urlerror') |
| traceback.print_exc(); |
| time.sleep(1) |
| waits += 1 |
| except: |
| traceback.print_exc() |
| port_server.kill() |
| raise |
| |