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##
## dummy_server.py
## Login : David Rousselie <david.rousselie@happycoders.org>
## Started on Fri May 13 12:53:17 2005
## $Id: dummy_server.py,v 1.1 2005/07/11 20:39:31 dax Exp $
##
## Copyright (C) 2005
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##
import sys
import time
import traceback
import re
import os
import socket
import types
import select
import xml.dom.minidom
from pyxmpp import xmlextra
def xmldiff(node1, node2):
if node1.nodeType == node1.TEXT_NODE:
if not node2.nodeType == node2.TEXT_NODE \
or re.compile(node2.data + "$").match(node1.data) is None:
raise Exception("data in text node " + node1.data + " does not match " + node2.data)
elif node1.nodeType == node1.DOCUMENT_NODE:
if not node2.nodeType == node2.DOCUMENT_NODE:
raise Exception("node1 is Document but not node2 (" + node2.nodeType + ")")
elif node1.tagName != node2.tagName:
raise Exception("Different tag name : " + node1.tagName + " != " + node2.tagName)
else:
for attr in node1._get_attributes().keys():
if not node2.hasAttribute(attr) \
or node1.getAttribute(attr) != node2.getAttribute(attr):
raise Exception("(" + node1.tagName + ") Different attributes : " + node1.getAttribute(attr) + " != " + node2.getAttribute(attr))
if len(node1.childNodes) != len(node2.childNodes):
raise Exception("(" + node1.tagName + ") Different children number : " + str(len(node1.childNodes)) + " != " + str(len(node2.childNodes)))
for i in range(len(node1.childNodes)):
xmldiff(node1.childNodes[i], node2.childNodes[i])
class DummyServer:
def __init__(self, host, port, responses = None):
for res in socket.getaddrinfo(host, port, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE):
af, socktype, proto, canonname, sa = res
try:
s = socket.socket(af, socktype, proto)
except socket.error, msg:
print >>sys.stderr, msg
s = None
raise socket.error
try:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(sa)
s.listen(1)
except socket.error, msg:
print >>sys.stderr, msg
s.close()
s = None
raise socket.error
break
self.socket = s
self.responses = None
self.queries = None
self.real_queries = []
def serve(self):
conn = None
try:
conn, addr = self.socket.accept()
rfile = conn.makefile('rb', -1)
if self.responses:
data = None
for idx in range(len(self.responses)):
# if response is a function apply it (it must return a string)
# it is given previous received data
if isinstance(self.responses[idx], types.FunctionType):
response = self.responses[idx](data)
else:
response = self.responses[idx]
if response is not None:
#print >>sys.stderr, 'Sending : ', response
conn.send(response)
data = rfile.readline()
if not data:
break
else:
self.real_queries.append(data)
#print >>sys.stderr, 'Receive : ', data
if conn is not None:
conn.close()
if self.socket is not None:
self.socket.close()
self.socket = None
except:
type, value, stack = sys.exc_info()
print >>sys.stderr, "".join(traceback.format_exception
(type, value, stack, 5))
def verify_queries(self):
result = True
queries_len = len(self.queries)
if queries_len == len(self.real_queries):
for idx in range(queries_len):
real_query = self.real_queries[idx]
match = (re.compile(self.queries[idx], re.M).match(real_query) is not None)
if not match:
result = False
print >>sys.stderr, "Unexpected query :\n" + \
"Expected query : _" + self.queries[idx] + "_\n" + \
"Receive query : _" + real_query + "_\n"
else:
result = False
print >>sys.stderr, "Expected " + str(queries_len) + \
" queries, got " + str(len(self.real_queries)) + \
"\t" + str(self.real_queries)
return result
class XMLDummyServer(DummyServer):
def __init__(self, host, port, responses, stream_handler):
DummyServer.__init__(self, host, port, responses)
self._reader = xmlextra.StreamReader(stream_handler)
def serve(self):
try:
conn, addr = self.socket.accept()
if self.responses:
data = None
for idx in range(len(self.responses)):
try:
# TODO : this approximation is not clean
# received size is based on the expected size in self.queries
data = conn.recv(1024 + len(self.queries[idx]))
# print "receive : " + data
if data:
## TODO : without this log, test_set_register in test_component wait forever
#print "-----------RECEIVE1 " + data
r = self._reader.feed(data)
except:
type, value, stack = sys.exc_info()
print "".join (traceback.format_exception
(type, value, stack, 5))
raise
# TODO verify got all data </stream>
if data:
self.real_queries.append(data)
# if response is a function apply it (it must return a string)
# it is given previous received data
if isinstance(self.responses[idx], types.FunctionType):
response = self.responses[idx](data)
else:
response = self.responses[idx]
if response is not None:
# print >>sys.stderr, '---------SENDING : ', response
conn.send(response)
data = conn.recv(1024)
if data:
# print "-----------RECEIVE2 " + data
r = self._reader.feed(data)
self.real_queries.append(data)
conn.close()
self.socket.close()
self.socket = None
except:
type, value, stack = sys.exc_info()
print "".join (traceback.format_exception
(type, value, stack, 5))
raise
def verify_queries(self):
result = True
full_real_queries = ""
full_recv_queries = ""
for idx in range(len(self.real_queries)):
full_real_queries += self.real_queries[idx].rstrip(os.linesep)
for idx in range(len(self.queries)):
full_recv_queries += self.queries[idx].rstrip(os.linesep)
# Do not receive it but add it so that xml parsing can succeed
#full_real_queries += "</stream:stream>"
real_query = xml.dom.minidom.parseString(full_real_queries)
recv_query = xml.dom.minidom.parseString(full_recv_queries)
try:
utils.xmldiff(real_query, recv_query)
except Exception, msg:
result = False
print >>sys.stderr, msg
return result
def test():
server = DummyServer(("localhost", 4242))
server.responses = ["rep1\n", "rep2\n"]
server.serve()
if __name__ == '__main__':
test()
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