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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /testing/marionette/harness/marionette_harness/runner/serve.py
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'testing/marionette/harness/marionette_harness/runner/serve.py')
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diff --git a/testing/marionette/harness/marionette_harness/runner/serve.py b/testing/marionette/harness/marionette_harness/runner/serve.py
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+++ b/testing/marionette/harness/marionette_harness/runner/serve.py
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+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""Spawns necessary HTTP servers for testing Marionette in child
+processes.
+
+"""
+
+import argparse
+import multiprocessing
+import os
+import sys
+
+from collections import defaultdict
+
+import httpd
+
+
+__all__ = ["default_doc_root",
+ "iter_proc",
+ "iter_url",
+ "registered_servers",
+ "servers",
+ "start",
+ "where_is"]
+here = os.path.abspath(os.path.dirname(__file__))
+
+
+class BlockingChannel(object):
+
+ def __init__(self, channel):
+ self.chan = channel
+ self.lock = multiprocessing.Lock()
+
+ def call(self, func, args=()):
+ self.send((func, args))
+ return self.recv()
+
+ def send(self, *args):
+ try:
+ self.lock.acquire()
+ self.chan.send(args)
+ finally:
+ self.lock.release()
+
+ def recv(self):
+ try:
+ self.lock.acquire()
+ payload = self.chan.recv()
+ if isinstance(payload, tuple) and len(payload) == 1:
+ return payload[0]
+ return payload
+ except KeyboardInterrupt:
+ return ("stop", ())
+ finally:
+ self.lock.release()
+
+
+class ServerProxy(multiprocessing.Process, BlockingChannel):
+
+ def __init__(self, channel, init_func, *init_args, **init_kwargs):
+ multiprocessing.Process.__init__(self)
+ BlockingChannel.__init__(self, channel)
+ self.init_func = init_func
+ self.init_args = init_args
+ self.init_kwargs = init_kwargs
+
+ def run(self):
+ server = self.init_func(*self.init_args, **self.init_kwargs)
+ server.start(block=False)
+
+ try:
+ while True:
+ # ["func", ("arg", ...)]
+ # ["prop", ()]
+ sattr, fargs = self.recv()
+ attr = getattr(server, sattr)
+
+ # apply fargs to attr if it is a function
+ if callable(attr):
+ rv = attr(*fargs)
+
+ # otherwise attr is a property
+ else:
+ rv = attr
+
+ self.send(rv)
+
+ if sattr == "stop":
+ return
+
+ except KeyboardInterrupt:
+ server.stop()
+
+
+class ServerProc(BlockingChannel):
+
+ def __init__(self, init_func):
+ self._init_func = init_func
+ self.proc = None
+
+ parent_chan, self.child_chan = multiprocessing.Pipe()
+ BlockingChannel.__init__(self, parent_chan)
+
+ def start(self, doc_root, ssl_config, **kwargs):
+ self.proc = ServerProxy(
+ self.child_chan, self._init_func, doc_root, ssl_config, **kwargs)
+ self.proc.daemon = True
+ self.proc.start()
+
+ def get_url(self, url):
+ return self.call("get_url", (url,))
+
+ @property
+ def doc_root(self):
+ return self.call("doc_root", ())
+
+ def stop(self):
+ self.call("stop")
+ if not self.is_alive:
+ return
+ self.proc.join()
+
+ def kill(self):
+ if not self.is_alive:
+ return
+ self.proc.terminate()
+ self.proc.join(0)
+
+ @property
+ def is_alive(self):
+ if self.proc is not None:
+ return self.proc.is_alive()
+ return False
+
+
+def http_server(doc_root, ssl_config, host="127.0.0.1", **kwargs):
+ return httpd.FixtureServer(doc_root, url="http://{}:0/".format(host), **kwargs)
+
+
+def https_server(doc_root, ssl_config, host="127.0.0.1", **kwargs):
+ return httpd.FixtureServer(doc_root,
+ url="https://{}:0/".format(host),
+ ssl_key=ssl_config["key_path"],
+ ssl_cert=ssl_config["cert_path"],
+ **kwargs)
+
+
+def start_servers(doc_root, ssl_config, **kwargs):
+ servers = defaultdict()
+ for schema, builder_fn in registered_servers:
+ proc = ServerProc(builder_fn)
+ proc.start(doc_root, ssl_config, **kwargs)
+ servers[schema] = (proc.get_url("/"), proc)
+ return servers
+
+
+def start(doc_root=None, **kwargs):
+ """Start all relevant test servers.
+
+ If no `doc_root` is given the default
+ testing/marionette/harness/marionette_harness/www directory will be used.
+
+ Additional keyword arguments can be given which will be passed on
+ to the individual ``FixtureServer``'s in httpd.py.
+
+ """
+ doc_root = doc_root or default_doc_root
+ ssl_config = {"cert_path": httpd.default_ssl_cert,
+ "key_path": httpd.default_ssl_key}
+
+ global servers
+ servers = start_servers(doc_root, ssl_config, **kwargs)
+ return servers
+
+
+def where_is(uri, on="http"):
+ """Returns the full URL, including scheme, hostname, and port, for
+ a fixture resource from the server associated with the ``on`` key.
+ It will by default look for the resource in the "http" server.
+
+ """
+ return servers.get(on)[1].get_url(uri)
+
+
+def iter_proc(servers):
+ for _, (_, proc) in servers.iteritems():
+ yield proc
+
+
+def iter_url(servers):
+ for _, (url, _) in servers.iteritems():
+ yield url
+
+
+default_doc_root = os.path.join(os.path.dirname(here), "www")
+registered_servers = [("http", http_server),
+ ("https", https_server)]
+servers = defaultdict()
+
+
+def main(args):
+ global servers
+
+ parser = argparse.ArgumentParser()
+ parser.add_argument("-r", dest="doc_root",
+ help="Path to document root. Overrides default.")
+ args = parser.parse_args()
+
+ servers = start(args.doc_root)
+ for url in iter_url(servers):
+ print >>sys.stderr, "{}: listening on {}".format(sys.argv[0], url)
+
+ try:
+ while any(proc.is_alive for proc in iter_proc(servers)):
+ for proc in iter_proc(servers):
+ proc.proc.join(1)
+ except KeyboardInterrupt:
+ for proc in iter_proc(servers):
+ proc.kill()
+
+
+if __name__ == "__main__":
+ main(sys.argv[1:])