#!/usr/bin/env python

from __future__ import absolute_import

"""

Small and dumb HTTP server for use in tests.

"""

import optparse

import os

import signal

import socket

import sys

from mercurial import (

    encoding,

    pycompat,

    server,

    util,

)

httpserver = util.httpserver

OptionParser = optparse.OptionParser

if os.environ.get('HGIPV6', '0') == '1':

    class simplehttpserver(httpserver.httpserver):

        address_family = socket.AF_INET6

else:

    simplehttpserver = httpserver.httpserver

class _httprequesthandler(httpserver.simplehttprequesthandler):

    def log_message(self, format, *args):

        httpserver.simplehttprequesthandler.log_message(self, format, *args)

        sys.stderr.flush()

class simplehttpservice(object):

    def __init__(self, host, port):

        self.address = (host, port)

    def init(self):

        self.httpd = simplehttpserver(self.address, _httprequesthandler)

    def run(self):

        self.httpd.serve_forever()

if __name__ == '__main__':

    parser = OptionParser()

    parser.add_option('-p', '--port', dest='port', type='int', default=8000,

        help='TCP port to listen on', metavar='PORT')

    parser.add_option('-H', '--host', dest='host', default='localhost',

        help='hostname or IP to listen on', metavar='HOST')

    parser.add_option('--logfile', help='file name of access/error log')

    parser.add_option('--pid', dest='pid',

        help='file name where the PID of the server is stored')

    parser.add_option('-f', '--foreground', dest='foreground',

        action='store_true',

        help='do not start the HTTP server in the background')

    parser.add_option('--daemon-postexec', action='append')

    (options, args) = parser.parse_args()

    signal.signal(signal.SIGTERM, lambda x, y: sys.exit(0))

    if options.foreground and options.logfile:

        parser.error("options --logfile and --foreground are mutually "

                     "exclusive")

    if options.foreground and options.pid:

        parser.error("options --pid and --foreground are mutually exclusive")

    opts = {b'pid_file': options.pid,

            b'daemon': not options.foreground,

            b'daemon_postexec': pycompat.rapply(encoding.strtolocal,

                                                options.daemon_postexec)}

    service = simplehttpservice(options.host, options.port)

    runargs = [sys.executable, __file__] + sys.argv[1:]

    runargs = [pycompat.fsencode(a) for a in runargs]

    server.runservice(opts, initfn=service.init, runfn=service.run,

                      logfile=options.logfile,

                      runargs=runargs)