def test_announce_peer_Received_sendsValidResponse(self): kresponder = Patched_KRPC_Responder() # announce_peer queries need a token (the token value # comes in response to a get_peers query) # So first, we need to "receive" a get_peers query # get_peers creation and "receiving" query = Query() query.rpctype = "get_peers" query._from = 123 query._transaction_id = 150 query.target_id = 800 kresponder.datagramReceived(krpc_coder.encode(query), test_address) response = kresponder.sendResponse.response # announce_peer creation and "receiving" incoming_query = Query() incoming_query._transaction_id = 999 incoming_query._from = query._from incoming_query.rpctype = "announce_peer" incoming_query.token = response.token incoming_query.port = 55 incoming_query.target_id = query.target_id # Test the announce_peer response expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = incoming_query._transaction_id expected_response.rpctype = "announce_peer" # Reset the response grabber kresponder.sendResponse.response = None kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response self.assertEquals(expected_response, actual_response)
def test_announce_peer_Received_validTokenAddsPeer(self): kresponder = Patched_KRPC_Responder() # announce_peer queries need a token (the token value # comes in response to a get_peers query) # So first, we need to "receive" a get_peers query # get_peers creation and "receiving" query = Query() query.rpctype = "get_peers" query._from = 123 query._transaction_id = 150 query.target_id = 800 kresponder.datagramReceived(krpc_coder.encode(query), test_address) response = kresponder.sendResponse.response # announce_peer creation and "receiving" incoming_query = Query() incoming_query._transaction_id = 999 incoming_query._from = query._from incoming_query.rpctype = "announce_peer" incoming_query.token = response.token incoming_query.port = 55 incoming_query.target_id = query.target_id # Test the announce_peer response expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = incoming_query._transaction_id expected_response.rpctype = "announce_peer" # Reset the response grabber kresponder.sendResponse.response = None kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response self.assertEquals(expected_response, actual_response) # Check to see if another get_peers query will return us # as a peer query = Query() query.rpctype = "get_peers" query._from = 123 query._transaction_id = 9809831 query.target_id = 800 kresponder.datagramReceived(krpc_coder.encode(query), test_address) response = kresponder.sendResponse.response self.assertEquals(1, len(response.peers)) test_ip, test_port = test_address returned_peer = list(response.peers)[0] self.assertEquals((test_ip, incoming_query.port), returned_peer)
def test_announce_peer_Received_invalidTokenDoesntAddPeer(self): kresponder = Patched_KRPC_Responder() # announce_peer queries need a token (the token value # comes in response to a get_peers query) # So first, we need to "receive" a get_peers query # get_peers creation and "receiving" query = Query() query.rpctype = "get_peers" query._from = 123 query._transaction_id = 150 query.target_id = 800 kresponder.datagramReceived(krpc_coder.encode(query), test_address) response = kresponder.sendResponse.response # announce_peer creation and "receiving" incoming_query = Query() incoming_query._transaction_id = 999 incoming_query._from = query._from incoming_query.rpctype = "announce_peer" incoming_query.token = 5858585858 # this is an invalid token incoming_query.port = 55 incoming_query.target_id = query.target_id # Test the announce_peer response expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = incoming_query._transaction_id # Reset the response grabber kresponder.sendResponse.response = None kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response # Make sure we didnt send a response self.assertEquals(None, actual_response) # Check to see if another get_peers query will return us # as a peer query = Query() query.rpctype = "get_peers" query._from = 123 query._transaction_id = 9809831 query.target_id = 800 kresponder.datagramReceived(krpc_coder.encode(query), test_address) response = kresponder.sendResponse.response # Make sure no peers were returned self.assertEquals(None, response.peers)
def test_find_node_Received_sendsValidResponseMultipleNodes(self): # Create the protocol and populate its # routing table with nodes kresponder = Patched_KRPC_Responder() node_list = [] node_gen = lambda num: contact.Node(num, ("127.0.0.%d" % num, num)) for i in range(100): n = node_gen(i) if kresponder.routing_table.offer_node(n): node_list.append(n) querying_node = contact.Node(123, test_address) incoming_query = Query() incoming_query.rpctype = "find_node" incoming_query._from = querying_node.node_id incoming_query._transaction_id = 15 incoming_query.target_id = 777777 expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = 15 expected_response.rpctype = "find_node" node_list.sort( key=lambda node: node.distance(incoming_query.target_id)) node_list = node_list[:constants.k] expected_response.nodes = node_list kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response self.assertEquals(expected_response, actual_response)
def test_encode_validGetPeersResponseWithNodes(self): r = Response() r._transaction_id = 1903890316316 r._from = 169031860931900138093217073128059 r.token = 90831 r.nodes = [ Node(2**158, ("127.0.0.1", 890)), Node(2**15, ("127.0.0.1", 8890)), Node(2**128, ("127.0.0.1", 1890)), Node(2**59, ("127.0.0.1", 7890)), Node(2**153, ("127.0.0.1", 5830)) ] expected_encoding = ( 'd1:rd2:id20:\x00\x00\x00\x00\x00\x00\x08' + 'U{fDA\xb0\x88\xe6\x8a\xec\xf8\xe2{5:nodes130:@\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x7f\x00\x00\x01\x03z\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x7f' + '\x00\x00\x01"\xba\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01' + '\x07b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08' + '\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x1e\xd2\x02' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x16\xc65:token' + '3:\x01b\xcfe1:t6:\x01\xbbH\xb4\xbc\x1c1:y1:re') encoding = encode(r) self.assertEquals(expected_encoding, encoding)
def test_get_peers_Received_sendsValidResponseWithPeers(self): # Create the protocol and populate its # routing table with nodes kresponder = Patched_KRPC_Responder() peers = [("127.0.0.%d" % peer_num, peer_num) for peer_num in range(10)] incoming_query = Query() incoming_query.rpctype = "get_peers" incoming_query._from = 555 incoming_query._transaction_id = 15 # We have this target id in our routing table incoming_query.target_id = 77 expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = 15 expected_response.peers = peers expected_response.rpctype = "get_peers" ds = kresponder._datastore for peer in peers: ds[incoming_query.target_id].add(peer) kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response # Grab the autogenerated token and sort the peers to # match our expected order expected_response.token = actual_response.token ap = actual_response ap.peers = sorted(ap.peers, key=lambda (ip, port): port) actual_response.peers.sort(key=lambda (ip, port): port) self.assertEquals(expected_response, actual_response)
def test_find_node_Received_sendsValidResponseMultipleNodes(self): # Create the protocol and populate its # routing table with nodes kresponder = Patched_KRPC_Responder() node_list = [] node_gen = lambda num: contact.Node(num, ("127.0.0.%d" % num, num)) for i in range(100): n = node_gen(i) if kresponder.routing_table.offer_node(n): node_list.append(n) querying_node = contact.Node(123, test_address) incoming_query = Query() incoming_query.rpctype = "find_node" incoming_query._from = querying_node.node_id incoming_query._transaction_id = 15 incoming_query.target_id = 777777 expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = 15 expected_response.rpctype = "find_node" node_list.sort(key = lambda node: node.distance(incoming_query.target_id)) node_list = node_list[:constants.k] expected_response.nodes = node_list kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response self.assertEquals(expected_response, actual_response)
def test_get_peers_Received_sendsValidResponseWithPeers(self): # Create the protocol and populate its # routing table with nodes kresponder = Patched_KRPC_Responder() peers = [("127.0.0.%d" % peer_num, peer_num) for peer_num in range(10)] incoming_query = Query() incoming_query.rpctype = "get_peers" incoming_query._from = 555 incoming_query._transaction_id = 15 # We have this target id in our routing table incoming_query.target_id = 77 expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = 15 expected_response.peers = peers expected_response.rpctype = "get_peers" ds = kresponder._datastore for peer in peers: ds[incoming_query.target_id].add(peer) kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response # Grab the autogenerated token and sort the peers to # match our expected order expected_response.token = actual_response.token ap = actual_response ap.peers = sorted(ap.peers, key=lambda (ip,port): port) actual_response.peers.sort(key = lambda (ip, port) : port) self.assertEquals(expected_response, actual_response)
def test_encode_validGetPeersResponseWithNodes(self): r = Response() r._transaction_id = 1903890316316 r._from = 169031860931900138093217073128059 r.token = 90831 r.nodes = [] r.nodes.append(Node(2**158, ("127.0.0.1", 890))) r.nodes.append(Node(2**15, ("127.0.0.1", 8890))) r.nodes.append(Node(2**128, ("127.0.0.1", 1890))) r.nodes.append(Node(2**59, ("127.0.0.1", 7890))) r.nodes.append(Node(2**153, ("127.0.0.1", 5830))) expected_encoding = ('d1:rd2:id20:\x00\x00\x00\x00\x00\x00\x08' + 'U{fDA\xb0\x88\xe6\x8a\xec\xf8\xe2{5:nodes130:@\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x7f\x00\x00\x01\x03z\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x7f' + '\x00\x00\x01"\xba\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01' + '\x07b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08' + '\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x1e\xd2\x02' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x16\xc65:token' + '3:\x01b\xcfe1:t6:\x01\xbbH\xb4\xbc\x1c1:y1:re') encoding = encode(r) self.assertEquals(expected_encoding, encoding)
def test_encode_validPing(self): q = self.q q.rpctype = "ping" encoding = encode(q) expected_encoding = ('d1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00e1:q4:' + 'ping1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def test_encode_validPing(self): q = self.q q.rpctype = "ping" encoding = encode(q) expected_encoding = ( 'd1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00e1:q4:' + 'ping1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def test_encode_validGetPeersResponseWithPeers(self): r = Response() r._transaction_id = 1903890316316 r._from = 169031860931900138093217073128059 r.token = 90831 r.peers = [("127.0.0.1", 80), ("4.2.2.1", 8905), ("0.0.0.0", 0), ("255.255.255.255", 65535), ("8.8.8.8", 53)] expected_encoding = 'd1:rd2:id20:\x00\x00\x00\x00\x00\x00\x08U{fDA\xb0\x88\xe6\x8a\xec\xf8\xe2{5:token3:\x01b\xcf6:valuesl6:\x7f\x00\x00\x01\x00P6:\x04\x02\x02\x01"\xc96:\x00\x00\x00\x00\x00\x006:\xff\xff\xff\xff\xff\xff6:\x08\x08\x08\x08\x005ee1:t6:\x01\xbbH\xb4\xbc\x1c1:y1:re' encoding = encode(r) self.assertEquals(expected_encoding, encoding)
def test_encode_validGetPeers(self): q = self.q q.target_id = self.test_target_id q.rpctype = "get_peers" encoding = encode(q) expected_encoding = ('d1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x009:info_hash' + '20:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x08i@e1:q9:get_peers1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def test_encode_validFindNode(self): q = self.q q.target_id = self.test_target_id q.rpctype = "find_node" encoding = encode(q) expected_encoding = ('d1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x006:target20:' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x08i@e1:q9:find_node1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def test_encode_validGetPeers(self): q = self.q q.target_id = self.test_target_id q.rpctype = "get_peers" encoding = encode(q) expected_encoding = ( 'd1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x009:info_hash' + '20:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x08i@e1:q9:get_peers1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def test_encode_validFindNode(self): q = self.q q.target_id = self.test_target_id q.rpctype = "find_node" encoding = encode(q) expected_encoding = ( 'd1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x006:target20:' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x08i@e1:q9:find_node1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def _patch_counter_and_input_krpc(self, krpc, method_name, num_calls=1, address=None): if address is None: address = ("127.0.0.1", 8888) k_messenger = KRPC_Sender(TreeRoutingTable, 2**50) # Patch in our counter counter = Counter() setattr(k_messenger, method_name, counter) # Pass in the krpc k_messenger.datagramReceived(krpc_coder.encode(krpc), address) self.assertEquals(num_calls, counter.count)
def test_encode_validAnnouncePeer(self): q = self.q q.rpctype = "announce_peer" q.target_id = self.test_target_id q.port = self.test_port q.token = self.test_token encoding = encode(q) expected_encoding = ('d1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x009:info_hash' + '20:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x08i@4:porti511e5:token2:\x15\xb3e1:q13:'+ 'announce_peer1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def test_get_peers_Received_sendsValidResponseWithNodes(self): # Create the protocol and populate its # routing table with nodes # We need a node_id close to 'target_id' so that our kbuckets split # in a way that we will have the target id target_id = 76 our_id = target_id - 1 kresponder = Patched_KRPC_Responder(node_id=our_id) node_list = [] node_gen = lambda num: contact.Node(num, ("127.0.0.%d" % num, num)) for i in range(100): if i != our_id: n = node_gen(i) if kresponder.routing_table.offer_node(n): node_list.append(n) # simulate that a get_peers query has been # received by making a fake get_peers query # and feeding it into "datagramReceived()" querying_node = contact.Node(123, test_address) incoming_query = Query() incoming_query.rpctype = "get_peers" incoming_query._from = querying_node.node_id incoming_query._transaction_id = 15 # We have this target id in our routing table incoming_query.target_id = target_id # Create a response object and ensure # and the response (that the node sends) # matches what we made expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = incoming_query._transaction_id expected_response.rpctype = "get_peers" # the specification calls for the resulting # nodes to be sorted by distance node_list.sort( key=lambda node: node.distance(incoming_query.target_id)) node_list = node_list[:constants.k] expected_response.nodes = node_list # simulating the incoming query and capture # the outgoing response kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response # Grab the autogenerated token expected_response.token = actual_response.token self.assertEquals(expected_response, actual_response)
def test_get_peers_Received_sendsValidResponseWithNodes(self): # Create the protocol and populate its # routing table with nodes # We need a node_id close to 'target_id' so that our kbuckets split # in a way that we will have the target id target_id = 76 our_id = target_id - 1 kresponder = Patched_KRPC_Responder(node_id=our_id) node_list = [] node_gen = lambda num: contact.Node(num, ("127.0.0.%d" % num, num)) for i in range(100): if i != our_id: n = node_gen(i) if kresponder.routing_table.offer_node(n): node_list.append(n) # simulate that a get_peers query has been # received by making a fake get_peers query # and feeding it into "datagramReceived()" querying_node = contact.Node(123, test_address) incoming_query = Query() incoming_query.rpctype = "get_peers" incoming_query._from = querying_node.node_id incoming_query._transaction_id = 15 # We have this target id in our routing table incoming_query.target_id = target_id # Create a response object and ensure # and the response (that the node sends) # matches what we made expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = incoming_query._transaction_id expected_response.rpctype = "get_peers" # the specification calls for the resulting # nodes to be sorted by distance node_list.sort(key = lambda node: node.distance(incoming_query.target_id)) node_list = node_list[:constants.k] expected_response.nodes = node_list # simulating the incoming query and capture # the outgoing response kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response # Grab the autogenerated token expected_response.token = actual_response.token self.assertEquals(expected_response, actual_response)
def test_ping_Received_sendsValidResponse(self): kresponder = Patched_KRPC_Responder() incoming_query = Query() incoming_query.rpctype = "ping" incoming_query._from = 123 incoming_query._transaction_id = 15 expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = 15 expected_response.rpctype = "ping" kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response self.assertEquals(expected_response, actual_response)
def test_errback_KRPCError(self): counter = Counter() d = self.k_messenger.sendQuery(self.query, address, timeout) self.assertTrue(self.query._transaction_id in self.k_messenger._transactions) # Build the response we will "receive" error = self.query.build_error() d.addErrback(self._error_equality, error) d.addErrback(counter) encoded_error = krpc_coder.encode(error) self.k_messenger.datagramReceived(encoded_error, address) self.assertEquals(1, counter.count) self.assertFalse(self.query._transaction_id in self.k_messenger._transactions)
def test_errback_KRPCError(self): counter = Counter() d = self.k_messenger.sendQuery(self.query, address, timeout) self.assertTrue( self.query._transaction_id in self.k_messenger._transactions) # Build the response we will "receive" error = self.query.build_error() d.addErrback(self._error_equality, error) d.addErrback(counter) encoded_error = krpc_coder.encode(error) self.k_messenger.datagramReceived(encoded_error, address) self.assertEquals(1, counter.count) self.assertFalse( self.query._transaction_id in self.k_messenger._transactions)
def test_encode_validAnnouncePeer(self): q = self.q q.rpctype = "announce_peer" q.target_id = self.test_target_id q.port = self.test_port q.token = self.test_token encoding = encode(q) expected_encoding = ( 'd1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x009:info_hash' + '20:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' + '\x00\x00\x00\x08i@4:porti511e5:token2:\x15\xb3e1:q13:' + 'announce_peer1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
def test_callback(self): counter = Counter() d = self.k_messenger.sendQuery(self.query, address, timeout) self.assertTrue( self.query._transaction_id in self.k_messenger._transactions) # Build the response we will "receive" response = self.query.build_response() response._from = 9 d.addCallback(self._response_equality, response) d.addCallback(counter) encoded_response = krpc_coder.encode(response) self.k_messenger.datagramReceived(encoded_response, address) self.assertEquals(1, counter.count) self.assertFalse( self.query._transaction_id in self.k_messenger._transactions)
def test_callback(self): counter = Counter() d = self.k_messenger.sendQuery(self.query, address, timeout) self.assertTrue(self.query._transaction_id in self.k_messenger._transactions) # Build the response we will "receive" response = self.query.build_response() response._from = 9 d.addCallback(self._response_equality, response) d.addCallback(counter) encoded_response = krpc_coder.encode(response) self.k_messenger.datagramReceived(encoded_response, address) self.assertEquals(1, counter.count) self.assertFalse(self.query._transaction_id in self.k_messenger._transactions)
def test_responseReceived(self): # Make a query that we will "send" query = Query() query.rpctype = "ping" # Make the protocol and patch in our counter, transport, and reactor counter = Counter() k_messenger = KRPC_Sender(TreeRoutingTable, 2**50) k_messenger.transport = HollowTransport() k_messenger.responseReceived = counter # Send the query and receive the response k_messenger.sendQuery(query, address, timeout) self.assertTrue(query._transaction_id in k_messenger._transactions) # Make a response that we will "receive" response = query.build_response() response._from = 9 k_messenger.datagramReceived(krpc_coder.encode(response), address) _restore_reactor() self.assertEquals(1, counter.count)
def test_find_node_Received_sendsValidResponseWithTargetNode(self): # Create the protocol and populate its # routing table with nodes # We need a node_id close to 'target_id' so that our kbuckets split # in a way that we will have the target id target_id = 76 our_id = target_id - 1 kresponder = Patched_KRPC_Responder(node_id=our_id) node_list = [] node_gen = lambda num: contact.Node(num, ("127.0.0.%d" % num, num)) for i in range(100): if i != our_id: n = node_gen(i) node_was_accepted = kresponder.routing_table.offer_node(n) if node_was_accepted: node_list.append(n) querying_node = contact.Node(123, test_address) incoming_query = Query() incoming_query.rpctype = "find_node" incoming_query._from = querying_node.node_id incoming_query._transaction_id = 15 # We have this target id in our routing table incoming_query.target_id = target_id expected_response = Response() expected_response._from = kresponder.node_id expected_response._transaction_id = 15 expected_response.rpctype = "find_node" # The response node_list should contain only the target node node_list = filter(lambda node: node.node_id == target_id, node_list) expected_response.nodes = node_list if len(node_list) != 1: self.fail("Too many or too few nodes!") kresponder.datagramReceived(krpc_coder.encode(incoming_query), test_address) actual_response = kresponder.sendResponse.response self.assertEquals(expected_response, actual_response)
def _encode_and_respond(self, krpc): responding_node = test_nodes[22] krpc._from = responding_node.node_id encoded_krpc = krpc_coder.encode(krpc) self.ksimple.datagramReceived(encoded_krpc, responding_node.address) return responding_node
def sendKRPC(self, krpc, address): encoded_packet = krpc_coder.encode(krpc) log.msg("sendKRPC", encoded_packet, address, "\n") self.transport.write(encoded_packet, address)
def sendKRPC(self, krpc, address): encoded_packet = krpc_coder.encode(krpc) self.transport.write(encoded_packet, address)
from twisted.trial import unittest from mdht.coding.krpc_coder import (encode, decode, _chunkify, _decode_addresses, InvalidKRPCError) from mdht.coding import basic_coder from mdht.krpc_types import Query, Response, Error from mdht.contact import Node encode_and_decode = lambda krpc: decode(encode(krpc)) class QueryCodingTestCase(unittest.TestCase): test_target_id = 551232 test_port = 511 test_token = 5555 def setUp(self): q = self.q = Query() q._transaction_id = 15 q._from = 2**120 def test_encode_validPing(self): q = self.q q.rpctype = "ping" encoding = encode(q) expected_encoding = ( 'd1:ad2:id20:\x00\x00\x00\x00\x01\x00\x00' + '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00e1:q4:' + 'ping1:t1:\x0f1:y1:qe') self.assertEquals(expected_encoding, encoding)
from twisted.trial import unittest from mdht.coding.krpc_coder import ( encode, decode, _chunkify, _decode_addresses, InvalidKRPCError) from mdht.coding import basic_coder from mdht.krpc_types import Query, Response, Error from mdht.contact import Node encode_and_decode = lambda krpc: decode(encode(krpc)) class KRPCHelperFunctionTestCase(unittest.TestCase): def test_chunkify_nodestrings(self): # Node strings are of length 26 node_string = "01" * 13 node_strings = node_string * 10 # _chunkify returns a generator split_node_strings = _chunkify(node_strings, 26) self.assertEquals(10, len(list(split_node_strings))) def test_chunkify_peerstrings(self): # Addresses are of length 6 address_string = "012345" address_strings = address_string * 10 # _chunkify returns a generator split_address_strings = _chunkify(address_strings, 6) self.assertEquals(10, len(list(split_address_strings))) def test_decode_addresses(self): address_string = "".join(["\x00\x00\x00\x00\x00\x00", "\xff\xff\xff\xff\xff\xff"])