#!/usr/bin/env python

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed
# with this work for additional information regarding copyright
# ownership.  The ASF licenses this file to you under the Apache
# License, Version 2.0 (the "License"); you may not use this file
# except in compliance with the License.  You may obtain a copy of the
# License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.  See the License for the specific language governing
# permissions and limitations under the License.

print '''1..1 pipeliningDisconnect
# The proxy doesn't crash if INKVConnInternal::do_io_close() gets
# called after a message is already complete'''

from twisted.internet import error, protocol, reactor, tcp
from twisted.web import http

def callback():
  print 'ok 1 - Did the connection close before the proxy made the second request?'

  reactor.stop()

reactor.callLater(2, callback)

class factory(http.HTTPFactory):
  class protocol(http.HTTPChannel):
    class requestFactory(http.Request):
      def requestReceived(ctx, method, target, version):
        class requestFactory(http.Request):
          def requestReceived(ctx, method, target, version):

            ctx.client = None
            ctx.clientproto = version

            ctx.write('pipeliningDisconnect')
            ctx.finish()

            # Open another connection
            class factory(protocol.ClientFactory):
              def clientConnectionFailed(ctx, connector, reason):
                print 'not ok 1 - Did the proxy crash?  (Can\'t open another connection to it.)'

                reactor.stop()

              class protocol(protocol.Protocol):
                def connectionMade(ctx):
                  print 'ok 1 - The proxy didn\'t crash (opened another connection to it)'

                  reactor.stop()

            reactor.callLater(1, tcp.Connector('localhost', 8080, factory(), 30, None, reactor).connect)

        ctx.channel.requestFactory = requestFactory

        ctx.client = None
        ctx.clientproto = version

        ctx.write('pipeliningDisconnect')
        ctx.finish()

origin = tcp.Port(0, factory())
origin.startListening()

print '# Listening on {0}:{1}'.format(*origin.socket.getsockname())

class factory(protocol.ClientFactory):
  def clientConnectionFailed(ctx, connector, reason):

    print 'Bail out!'
    reason.printTraceback()

    reactor.stop()

  class protocol(protocol.Protocol):
    def connectionMade(ctx):

      # Somehow these magic words frequently cause
      # INKVConnInternal::do_io_close() to get called after a message
      # is already complete
      ctx.transport.write('GET {0}:{1}/pipeliningDisconnect0 HTTP/1.1\r\n\r\nGET {0}:{1}/pipeliningDisconnect1 HTTP/1.1\r\n\r\n'.format(*origin.socket.getsockname()))
      ctx.transport.loseConnection()

tcp.Connector('localhost', 8080, factory(), 30, None, reactor).connect()

reactor.run()
