| #!/usr/bin/env python |
| |
| """ |
| AMQP type test sender shim for qpid-interop-test |
| """ |
| |
| # |
| # 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 json |
| import os.path |
| import signal |
| import struct |
| import sys |
| import traceback |
| import uuid |
| |
| import proton |
| import proton.handlers |
| import proton.reactor |
| import _compat |
| |
| class AmqpTypesTestSender(proton.handlers.MessagingHandler): |
| """ |
| Sender shim for AMQP types test |
| This shim receives the AMQP type and a list of test values. Each value is sent in a message body of the appropriate |
| AMQP type. There is no returned value. |
| """ |
| def __init__(self, broker_url, queue_name, amqp_type, test_value_list): |
| super(AmqpTypesTestSender, self).__init__() |
| self.broker_url = broker_url |
| self.queue_name = queue_name |
| self.amqp_type = amqp_type |
| self.test_value_list = test_value_list |
| self.sent = 0 |
| self.confirmed = 0 |
| self.total = len(test_value_list) |
| signal.signal(signal.SIGINT, self.signal_handler) |
| signal.signal(signal.SIGTERM, self.signal_handler) |
| |
| def on_start(self, event): |
| """Event callback for when the client starts""" |
| connection = event.container.connect(url=self.broker_url, sasl_enabled=False, reconnect=False) |
| event.container.create_sender(connection, target=self.queue_name) |
| |
| def on_sendable(self, event): |
| """Event callback for when send credit is received, allowing the sending of messages""" |
| if self.sent == 0: |
| for test_value in self.test_value_list: |
| if event.sender.credit: |
| message = self.create_message(test_value) |
| if message is not None: |
| event.sender.send(message) |
| self.sent += 1 |
| else: |
| event.connection.close() |
| return |
| |
| def create_message(self, test_value): |
| """ |
| Creates a single message with the test value translated from its string representation to the appropriate |
| AMQP value (set in self.amqp_type). |
| """ |
| return proton.Message(id=(self.sent+1), body=self.encode_amqp_type(self.amqp_type, test_value)) |
| |
| @staticmethod |
| def encode_amqp_type(amqp_type, test_value): |
| """Encode an AMQP type from a stringified test_value""" |
| if amqp_type == 'null': |
| return None |
| if amqp_type == 'boolean': |
| return True if test_value == 'True' else False |
| if amqp_type == 'ubyte': |
| return proton.ubyte(int(test_value, 16)) |
| if amqp_type == 'ushort': |
| return proton.ushort(int(test_value, 16)) |
| if amqp_type == 'uint': |
| return proton.uint(int(test_value, 16)) |
| if amqp_type == 'ulong': |
| return proton.ulong(int(test_value, 16)) |
| if amqp_type == 'byte': |
| return proton.byte(int(test_value, 16)) |
| if amqp_type == 'short': |
| return proton.short(int(test_value, 16)) |
| if amqp_type == 'int': |
| return proton.int32(int(test_value, 16)) |
| if amqp_type == 'long': |
| return _compat.str2long(test_value, 16) |
| if amqp_type == 'float': |
| return proton.float32(struct.unpack('!f', _compat.decode_hex(test_value[2:]))[0]) |
| if amqp_type == 'double': |
| return struct.unpack('!d', _compat.decode_hex(test_value[2:]))[0] |
| if amqp_type == 'decimal32': |
| return proton.decimal32(int(test_value[2:], 16)) |
| if amqp_type == 'decimal64': |
| return proton.decimal64(_compat.str2long(test_value[2:], 16)) |
| if amqp_type == 'decimal128': |
| return proton.decimal128(_compat.decode_hex(test_value[2:])) |
| if amqp_type == 'char': |
| if len(test_value) == 1: # Format 'a' |
| return proton.char(test_value) |
| return proton.char(_compat.unichr(int(test_value, 16))) |
| if amqp_type == 'timestamp': |
| return proton.timestamp(int(test_value, 16)) |
| if amqp_type == 'uuid': |
| return uuid.UUID(test_value) |
| if amqp_type == 'binary': |
| return test_value.encode('utf-8') |
| if amqp_type == 'string': |
| return _compat.unicode(test_value) |
| if amqp_type == 'symbol': |
| return proton.symbol(test_value) |
| if amqp_type == 'list': |
| return AmqpTypesTestSender.encode_amqp_list(test_value) |
| if amqp_type == 'map': |
| return AmqpTypesTestSender.encode_amqp_map(test_value) |
| if amqp_type == 'array': |
| #return AmqpTypesTestSender.encode_amqp_array(test_value) |
| print('send: Unsupported AMQP type "%s"' % amqp_type) |
| return None |
| print('send: Unknown AMQP type "%s"' % amqp_type) |
| return None |
| |
| @staticmethod |
| def encode_complex_amqp_element(test_element, make_hashable=False): |
| """ |
| Encode a single complex AMQP element (ie list or array member, map key or value) |
| A complex element may be one of: |
| str/unicode: 'amqp_type:amqp_value' |
| list: [...] |
| dict: {...} |
| """ |
| if _compat.IS_PY3: |
| is_string = isinstance(test_element, str) |
| else: |
| is_string = isinstance(test_element, unicode) |
| if is_string: |
| split_list = test_element.split(':', 1) |
| return AmqpTypesTestSender.encode_amqp_type(split_list[0], split_list[1]) |
| if isinstance(test_element, list): |
| enc_list = AmqpTypesTestSender.encode_amqp_list(test_element) |
| if make_hashable: |
| return tuple(enc_list) # Convert list to tuple |
| return enc_list |
| if isinstance(test_element, dict): |
| enc_dict = AmqpTypesTestSender.encode_amqp_map(test_element) |
| if make_hashable: |
| return tuple(enc_dict.items()) # Convert to tuple of k,v pairs |
| return enc_dict |
| else: |
| print('Unexpected complex amqp element type: %s, value=%s' % (type(test_element), str(test_element))) |
| |
| @staticmethod |
| def encode_amqp_list(test_value): |
| """ |
| Encode an AMQP list from the format [val1, val2, ...] |
| Each val is in the string format amqp_type:amqp_val_as_str |
| """ |
| val_list = [] |
| for val in test_value: |
| val_list.append(AmqpTypesTestSender.encode_complex_amqp_element(val)) |
| return val_list |
| |
| @staticmethod |
| def encode_amqp_map(test_value): |
| """Encode an AMQP map from the format {key1:val1, key2:val2, ...}""" |
| val_map = {} |
| for key, val in test_value.items(): |
| encoded_key = AmqpTypesTestSender.encode_complex_amqp_element(key, True) # make keys hashable |
| encoded_val = AmqpTypesTestSender.encode_complex_amqp_element(val) |
| val_map[encoded_key] = encoded_val |
| return val_map |
| |
| @staticmethod |
| def encode_amqp_array(test_value): |
| """Encode an AMQP array""" |
| return test_value |
| |
| def on_accepted(self, event): |
| """Event callback for when a sent message is accepted by the broker""" |
| self.confirmed += 1 |
| if self.confirmed == self.total: |
| event.connection.close() |
| |
| def on_disconnected(self, event): |
| """Event callback for when the broker disconnects with the client""" |
| self.sent = self.confirmed |
| |
| def on_transport_error(self, event): |
| print('Sender: Broker not found at %s' % self.broker_url) |
| |
| @staticmethod |
| def signal_handler(signal_number, _): |
| """Signal handler""" |
| if signal_number in [signal.SIGTERM, signal.SIGINT]: |
| print('Sender: received signal %d, terminating' % signal_number) |
| sys.exit(1) |
| |
| |
| |
| # --- main --- |
| # Args: 1: Broker address (ip-addr:port) |
| # 2: Queue name |
| # 3: AMQP type |
| # 4...n: Test value(s) as strings |
| try: |
| SENDER = AmqpTypesTestSender(sys.argv[1], sys.argv[2], sys.argv[3], json.loads(sys.argv[4])) |
| proton.reactor.Container(SENDER).run() |
| except KeyboardInterrupt: |
| pass |
| except Exception as exc: |
| print(os.path.basename(sys.argv[0]), 'EXCEPTION:', exc) |
| print(traceback.format_exc()) |
| sys.exit(1) |
