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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
import logging
import os
import signal
import subprocess
import time
from typing import Optional
from datetime import datetime, timedelta
from .env import Env
from .curl import CurlClient
log = logging.getLogger(__name__)
class Nghttpx:
def __init__(self, env: Env, port: int, name: str):
self.env = env
self._name = name
self._port = port
self._cmd = env.nghttpx
self._run_dir = os.path.join(env.gen_dir, name)
self._pid_file = os.path.join(self._run_dir, 'nghttpx.pid')
self._conf_file = os.path.join(self._run_dir, 'nghttpx.conf')
self._error_log = os.path.join(self._run_dir, 'nghttpx.log')
self._stderr = os.path.join(self._run_dir, 'nghttpx.stderr')
self._tmp_dir = os.path.join(self._run_dir, 'tmp')
self._process = None
self._process: Optional[subprocess.Popen] = None
self._rmf(self._pid_file)
self._rmf(self._error_log)
self._mkpath(self._run_dir)
self._write_config()
def exists(self):
return os.path.exists(self._cmd)
def clear_logs(self):
self._rmf(self._error_log)
self._rmf(self._stderr)
def is_running(self):
if self._process:
self._process.poll()
return self._process.returncode is None
return False
def start_if_needed(self):
if not self.is_running():
return self.start()
return True
def start(self, wait_live=True):
pass
def stop_if_running(self):
if self.is_running():
return self.stop()
return True
def stop(self, wait_dead=True):
self._mkpath(self._tmp_dir)
if self._process:
self._process.terminate()
self._process.wait(timeout=2)
self._process = None
return not wait_dead or self.wait_dead(timeout=timedelta(seconds=5))
return True
def restart(self):
self.stop()
return self.start()
def reload(self, timeout: timedelta):
if self._process:
running = self._process
self._process = None
os.kill(running.pid, signal.SIGQUIT)
end_wait = datetime.now() + timeout
if not self.start(wait_live=False):
self._process = running
return False
while datetime.now() < end_wait:
try:
log.debug(f'waiting for nghttpx({running.pid}) to exit.')
running.wait(2)
log.debug(f'nghttpx({running.pid}) terminated -> {running.returncode}')
break
except subprocess.TimeoutExpired:
log.warning(f'nghttpx({running.pid}), not shut down yet.')
os.kill(running.pid, signal.SIGQUIT)
if datetime.now() >= end_wait:
log.error(f'nghttpx({running.pid}), terminate forcefully.')
os.kill(running.pid, signal.SIGKILL)
running.terminate()
running.wait(1)
return self.wait_live(timeout=timedelta(seconds=5))
return False
def wait_dead(self, timeout: timedelta):
curl = CurlClient(env=self.env, run_dir=self._tmp_dir)
try_until = datetime.now() + timeout
while datetime.now() < try_until:
check_url = f'https://{self.env.domain1}:{self._port}/'
r = curl.http_get(url=check_url, extra_args=['--http3-only'])
if r.exit_code != 0:
return True
log.debug(f'waiting for nghttpx to stop responding: {r}')
time.sleep(.1)
log.debug(f"Server still responding after {timeout}")
return False
def wait_live(self, timeout: timedelta):
curl = CurlClient(env=self.env, run_dir=self._tmp_dir)
try_until = datetime.now() + timeout
while datetime.now() < try_until:
check_url = f'https://{self.env.domain1}:{self._port}/'
r = curl.http_get(url=check_url, extra_args=[
'--http3-only', '--trace', 'curl.trace', '--trace-time'
])
if r.exit_code == 0:
return True
log.debug(f'waiting for nghttpx to become responsive: {r}')
time.sleep(.1)
log.error(f"Server still not responding after {timeout}")
return False
def _rmf(self, path):
if os.path.exists(path):
return os.remove(path)
def _mkpath(self, path):
if not os.path.exists(path):
return os.makedirs(path)
def _write_config(self):
with open(self._conf_file, 'w') as fd:
fd.write(f'# nghttpx test config'),
fd.write("\n".join([
'# do we need something here?'
]))
class NghttpxQuic(Nghttpx):
def __init__(self, env: Env):
super().__init__(env=env, name='nghttpx-quic', port=env.h3_port)
def start(self, wait_live=True):
self._mkpath(self._tmp_dir)
if self._process:
self.stop()
args = [
self._cmd,
f'--frontend=*,{self.env.h3_port};quic',
f'--backend=127.0.0.1,{self.env.https_port};{self.env.domain1};sni={self.env.domain1};proto=h2;tls',
f'--backend=127.0.0.1,{self.env.http_port}',
f'--log-level=INFO',
f'--pid-file={self._pid_file}',
f'--errorlog-file={self._error_log}',
f'--conf={self._conf_file}',
f'--cacert={self.env.ca.cert_file}',
self.env.get_credentials(self.env.domain1).pkey_file,
self.env.get_credentials(self.env.domain1).cert_file,
f'--frontend-http3-window-size=1M',
f'--frontend-http3-max-window-size=10M',
f'--frontend-http3-connection-window-size=10M',
f'--frontend-http3-max-connection-window-size=100M',
]
ngerr = open(self._stderr, 'a')
self._process = subprocess.Popen(args=args, stderr=ngerr)
if self._process.returncode is not None:
return False
return not wait_live or self.wait_live(timeout=timedelta(seconds=5))
class NghttpxFwd(Nghttpx):
def __init__(self, env: Env):
super().__init__(env=env, name='nghttpx-fwd', port=env.h2proxys_port)
def start(self, wait_live=True):
self._mkpath(self._tmp_dir)
if self._process:
self.stop()
args = [
self._cmd,
f'--http2-proxy',
f'--frontend=*,{self.env.h2proxys_port}',
f'--backend=127.0.0.1,{self.env.proxy_port}',
f'--log-level=INFO',
f'--pid-file={self._pid_file}',
f'--errorlog-file={self._error_log}',
f'--conf={self._conf_file}',
f'--cacert={self.env.ca.cert_file}',
self.env.get_credentials(self.env.proxy_domain).pkey_file,
self.env.get_credentials(self.env.proxy_domain).cert_file,
]
ngerr = open(self._stderr, 'a')
self._process = subprocess.Popen(args=args, stderr=ngerr)
if self._process.returncode is not None:
return False
return not wait_live or self.wait_live(timeout=timedelta(seconds=5))
def wait_dead(self, timeout: timedelta):
curl = CurlClient(env=self.env, run_dir=self._tmp_dir)
try_until = datetime.now() + timeout
while datetime.now() < try_until:
check_url = f'https://{self.env.proxy_domain}:{self.env.h2proxys_port}/'
r = curl.http_get(url=check_url)
if r.exit_code != 0:
return True
log.debug(f'waiting for nghttpx-fwd to stop responding: {r}')
time.sleep(.1)
log.debug(f"Server still responding after {timeout}")
return False
def wait_live(self, timeout: timedelta):
curl = CurlClient(env=self.env, run_dir=self._tmp_dir)
try_until = datetime.now() + timeout
while datetime.now() < try_until:
check_url = f'https://{self.env.proxy_domain}:{self.env.h2proxys_port}/'
r = curl.http_get(url=check_url, extra_args=[
'--trace', 'curl.trace', '--trace-time'
])
if r.exit_code == 0:
return True
log.debug(f'waiting for nghttpx-fwd to become responsive: {r}')
time.sleep(.1)
log.error(f"Server still not responding after {timeout}")
return False
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