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# 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.
import sys
import set_avro_test_path
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
from avro import ipc
from avro import protocol
from avro import tether
import socket
def find_port():
"""
Return an unbound port
"""
s=socket.socket()
s.bind(("127.0.0.1",0))
port=s.getsockname()[1]
s.close()
return port
SERVER_ADDRESS = ('localhost', find_port())
class MockParentResponder(ipc.Responder):
"""
The responder for the mocked parent
"""
def __init__(self):
ipc.Responder.__init__(self, tether.outputProtocol)
def invoke(self, message, request):
if message.name=='configure':
print "MockParentResponder: Recieved 'configure': inputPort={0}".format(request["port"])
elif message.name=='status':
print "MockParentResponder: Recieved 'status': message={0}".format(request["message"])
elif message.name=='fail':
print "MockParentResponder: Recieved 'fail': message={0}".format(request["message"])
else:
print "MockParentResponder: Recieved {0}".format(message.name)
# flush the output so it shows up in the parent process
sys.stdout.flush()
return None
class MockParentHandler(BaseHTTPRequestHandler):
"""Create a handler for the parent.
"""
def do_POST(self):
self.responder =MockParentResponder()
call_request_reader = ipc.FramedReader(self.rfile)
call_request = call_request_reader.read_framed_message()
resp_body = self.responder.respond(call_request)
self.send_response(200)
self.send_header('Content-Type', 'avro/binary')
self.end_headers()
resp_writer = ipc.FramedWriter(self.wfile)
resp_writer.write_framed_message(resp_body)
if __name__ == '__main__':
if (len(sys.argv)<=1):
raise ValueError("Usage: mock_tether_parent command")
cmd=sys.argv[1].lower()
if (sys.argv[1]=='start_server'):
if (len(sys.argv)==3):
port=int(sys.argv[2])
else:
raise ValueError("Usage: mock_tether_parent start_server port")
SERVER_ADDRESS=(SERVER_ADDRESS[0],port)
print "mock_tether_parent: Launching Server on Port: {0}".format(SERVER_ADDRESS[1])
# flush the output so it shows up in the parent process
sys.stdout.flush()
parent_server = HTTPServer(SERVER_ADDRESS, MockParentHandler)
parent_server.allow_reuse_address = True
parent_server.serve_forever()
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