#!/usr/bin/env python
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"""Base class with common routines between the Apache and Lighttpd servers."""

import logging
import os
import time
import urllib

_log = logging.getLogger("webkitpy.layout_tests.port.http_server_base")


class HttpServerBase(object):

    def __init__(self, port_obj):
        self._port_obj = port_obj

    def wait_for_action(self, action):
        """Repeat the action for 20 seconds or until it succeeds. Returns
        whether it succeeded."""
        start_time = time.time()
        while time.time() - start_time < 20:
            if action():
                return True
            time.sleep(1)

        return False

    def is_server_running_on_all_ports(self):
        """Returns whether the server is running on all the desired ports."""
        for mapping in self.mappings:
            if 'sslcert' in mapping:
                http_suffix = 's'
            else:
                http_suffix = ''

            url = 'http%s://127.0.0.1:%d/' % (http_suffix, mapping['port'])

            try:
                response = urllib.urlopen(url)
                _log.debug("Server running at %s" % url)
            except IOError:
                _log.debug("Server NOT running at %s" % url)
                return False

        return True

    def remove_log_files(self, folder, starts_with):
        files = os.listdir(folder)
        for file in files:
            if file.startswith(starts_with):
                full_path = os.path.join(folder, file)
                os.remove(full_path)
