#!/usr/bin/env python3

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,

    )