| #!/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. |
| # |
| |
| from proton import Message |
| from proton.reactors import Container |
| from proton.handlers import TransactionalClientHandler |
| |
| class TxSend(TransactionalClientHandler): |
| def __init__(self, messages, batch_size): |
| super(TxSend, self).__init__() |
| self.current_batch = 0 |
| self.committed = 0 |
| self.confirmed = 0 |
| self.total = messages |
| self.batch_size = batch_size |
| |
| def on_start(self, event): |
| self.container = event.container |
| self.conn = self.container.connect("localhost:5672", handler=self) |
| self.sender = self.container.create_sender(self.conn, "examples") |
| self.container.declare_transaction(self.conn, handler=self) |
| self.transaction = None |
| |
| def on_transaction_declared(self, event): |
| self.transaction = event.transaction |
| self.send() |
| |
| def on_credit(self, event): |
| self.send() |
| |
| def send(self): |
| while self.transaction and self.current_batch < self.batch_size and self.sender.credit and self.committed < self.total: |
| msg = Message(body={'sequence':(self.committed+self.current_batch+1)}) |
| self.sender.send_msg(msg, transaction=self.transaction) |
| self.current_batch += 1 |
| |
| def on_accepted(self, event): |
| if event.sender == self.sender: |
| self.confirmed += 1 |
| if self.confirmed == self.batch_size: |
| self.transaction.commit() |
| self.transaction = None |
| self.confirmed = 0 |
| |
| def on_transaction_committed(self, event): |
| self.committed += self.current_batch |
| if self.committed == self.total: |
| print "all messages committed" |
| event.connection.close() |
| else: |
| self.current_batch = 0 |
| self.container.declare_transaction(self.conn, handler=self) |
| |
| def on_disconnected(self, event): |
| self.current_batch = 0 |
| |
| try: |
| Container(TxSend(10000, 10)).run() |
| except KeyboardInterrupt: pass |
