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Diffstat (limited to 'python/examples/api/send')
| -rwxr-xr-x | python/examples/api/send | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/python/examples/api/send b/python/examples/api/send new file mode 100755 index 0000000000..b0105e41a6 --- /dev/null +++ b/python/examples/api/send @@ -0,0 +1,281 @@ +#!/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. +# + +import optparse, random, os, time, uuid +from qpid.messaging import * +import statistics + +EOS = "eos" +SN = "sn" +TS = "ts" + +TIME_SEC = 1000000000 +SECOND = 1000 + +def nameval(st): + idx = st.find("=") + if idx >= 0: + name = st[0:idx] + value = st[idx+1:] + else: + name = st + value = None + return name, value + + +op = optparse.OptionParser(usage="usage: %prog [options]", description="Spouts messages to the specified address") +op.add_option("-b", "--broker", default="localhost:5672", type="str", help="url of broker to connect to") +op.add_option("-a", "--address", type="str", help="address to send to") +op.add_option("--connection-options", default={}, help="options for the connection") +op.add_option("-m", "--messages", default=1, type="int", help="stop after N messages have been sent, 0 means no limit") +op.add_option("-i", "--id", type="str", help="use the supplied id instead of generating one") +op.add_option("--reply-to", type="str", help="specify reply-to address") +op.add_option("--send-eos", default=0, type="int", help="Send N EOS messages to mark end of input") +op.add_option("--durable", default=False, action="store_true", help="Mark messages as durable") +op.add_option("--ttl", default=0, type="int", help="Time-to-live for messages, in milliseconds") +op.add_option("--priority", default=0, type="int", help="Priority for messages (higher value implies higher priority)") +op.add_option("-P", "--property", default=[], action="append", type="str", help="specify message property") +op.add_option("--correlation-id", type="str", help="correlation-id for message") +op.add_option("--user-id", type="str", help="userid for message") +op.add_option("--content-string", type="str", help="use CONTENT as message content") +op.add_option("--content-size", default=0, type="int", help="create an N-byte message content") +op.add_option("-M", "--content-map", default=[], action="append", type="str", help="specify entry for map content") +op.add_option("--content-stdin", default=False, action="store_true", help="read message content from stdin, one line per message") +op.add_option("--capacity", default=1000, type="int", help="size of the senders outgoing message queue") +op.add_option("--tx", default=0, type="int", help="batch size for transactions (0 implies transaction are not used)") +op.add_option("--rollback-frequency", default=0, type="int", help="rollback frequency (0 implies no transaction will be rolledback)") +op.add_option("--failover-updates", default=False, action="store_true", help="Listen for membership updates distributed via amq.failover") +op.add_option("--report-total", default=False, action="store_true", help="Report total throughput statistics") +op.add_option("--report-every", default=0, type="int", help="Report throughput statistics every N messages") +op.add_option("--report-header", type="str", default="yes", help="Headers on report") +op.add_option("--send-rate", default=0, type="int", help="Send at rate of N messages/second. 0 means send as fast as possible") +op.add_option("--flow-control", default=0, type="int", help="Do end to end flow control to limit queue depth to 2*N. 0 means no flow control.") +op.add_option("--sequence", type="str", default="yes", help="Add a sequence number messages property (required for duplicate/lost message detection)") +op.add_option("--timestamp", type="str", default="yes", help="Add a time stamp messages property (required for latency measurement)") +op.add_option("--group-key", type="str", help="Generate groups of messages using message header 'KEY' to hold the group identifier") +op.add_option("--group-prefix", default="GROUP-", type="str", help="Generate group identifers with 'STRING' prefix (if group-key specified)") +op.add_option("--group-size", default=10, type="int", help="Number of messages per a group (if group-key specified)") +op.add_option("--group-randomize-size", default=False, action="store_true", help="Randomize the number of messages per group to [1...group-size] (if group-key specified)") +op.add_option("--group-interleave", default=1, type="int", help="Simultaineously interleave messages from N different groups (if group-key specified)") + + +class ContentGenerator: + def setContent(self, msg): + return + +class GetlineContentGenerator(ContentGenerator): + def setContent(self, msg): + content = sys.stdin.readline() + got = (not line) + if (got): + msg.content = content + return got + +class FixedContentGenerator(ContentGenerator): + def __init__(self, content=None): + self.content = content + + def setContent(self, msg): + msg.content = self.content + return True + +class MapContentGenerator(ContentGenerator): + def __init__(self, opts=None): + self.opts = opts + + def setContent(self, msg): + self.content = {} + for e in self.opts.content_map: + name, val = nameval(p) + content[name] = val + msg.content = self.content + return True + + +# tag each generated message with a group identifer +class GroupGenerator: + def __init__(self, key, prefix, size, randomize, interleave): + groupKey = key + groupPrefix = prefix + groupSize = size + randomizeSize = randomize + groupSuffix = 0 + if (randomize > 0): + random.seed(os.getpid()) + + for i in range(0, interleave): + self.newGroup() + current = 0 + + def setGroupInfo(self, msg): + if (current == len(groups)): + current = 0 + my_group = groups[current] + msg.properties[groupKey] = my_group[id]; + # print "SENDING GROUPID=[%s]\n" % my_group[id] + my_group[count]=my_group[count]+1 + if (my_group[count] == my_group[size]): + self.newGroup() + del groups[current] + else: + current+=1 + + def newGroup(self): + groupId = "%s%s" % (groupPrefix, groupSuffix) + groupSuffix+=1 + size = groupSize + if (randomizeSize == True): + size = random.randint(1,groupSize) + # print "New group: GROUPID=["%s] size=%s" % (groupId, size) + groups.append({'id':groupId, 'size':size, 'count':0}) + + + +def main(): + opts, args = op.parse_args() + if not opts.address: + raise Exception("Address must be specified!") + + broker = opts.broker + address = opts.address + connection = Connection(opts.broker, **opts.connection_options) + + try: + connection.open() + if (opts.failover_updates): + auto_fetch_reconnect_urls(connection) + session = connection.session(transactional=(opts.tx)) + sender = session.sender(opts.address) + if (opts.capacity>0): + sender.capacity = opts.capacity + sent = 0 + txCount = 0 + stats = statistics.Throughput() + reporter = statistics.Reporter(opts.report_every, opts.report_header == "yes", stats) + + contentGen = ContentGenerator() + content = "" # auxiliary variable for determining content type of message - needs to be changed to {} for Map message + if opts.content_stdin: + opts.messages = 0 # Don't limit number of messages sent. + contentGen = GetlineContentGenerator() + elif opts.content_map is not None: + contentGen = MapContentGenerator(opts) + content = {} + elif opts.content_size is not None: + contentGen = FixedContentGenerator('X' * opts.content_size) + else: + contentGen = FixedContentGenerator(opts.content_string) + if opts.group_key is not None: + groupGen = GroupGenerator(opts.group_key, opts.group_prefix, opts.group_size, opts.group_random_size, opts.group_interleave) + + msg = Message(content=content) + msg.durable = opts.durable + if opts.ttl: + msg.ttl = opts.ttl/1000.0 + if opts.priority: + msg.priority = opts.priority + if opts.reply_to is not None: + if opts.flow_control > 0: + raise Exception("Can't use reply-to and flow-control together") + msg.reply_to = opts.reply_to + if opts.user_id is not None: + msg.user_id = opts.user_id + if opts.correlation_id is not None: + msg.correlation_id = opts.correlation_id + for p in opts.property: + name, val = nameval(p) + msg.properties[name] = val + + start = time.time()*TIME_SEC + interval = 0 + if opts.send_rate > 0: + interval = TIME_SEC/opts.send_rate + + flowControlAddress = "flow-" + str(uuid.uuid1()) + ";{create:always,delete:always}" + flowSent = 0 + if opts.flow_control > 0: + flowControlReceiver = session.receiver(flowControlAddress) + flowControlReceiver.capacity = 2 + + while (contentGen.setContent(msg) == True): + sent+=1 + if opts.sequence == "yes": + msg.properties[SN] = sent + + if opts.flow_control > 0: + if (sent % opts.flow_control == 0): + msg.reply_to = flowControlAddress + flowSent+=1 + else: + msg.reply_to = "" # Clear the reply address. + + if 'groupGen' in vars(): + groupGen.setGroupInfo(msg) + + if (opts.timestamp == "yes"): + msg.properties[TS] = int(time.time()*TIME_SEC) + sender.send(msg) + reporter.message(msg) + + if ((opts.tx > 0) and (sent % opts.tx == 0)): + txCount+=1 + if ((opts.rollbackFrequency > 0) and (txCount % opts.rollbackFrequency == 0)): + session.rollback() + else: + session.commit() + if ((opts.messages > 0) and (sent >= opts.messages)): + break + + if (opts.flow_control > 0) and (flowSent == 2): + flowControlReceiver.fetch(timeout=SECOND) + flowSent -= 1 + + if (opts.send_rate > 0): + delay = start + sent*interval - time.time()*TIME_SEC + if (delay > 0): + time.sleep(delay) + #end of while + + while flowSent > 0: + flowControlReceiver.fetch(timeout=SECOND) + flowSent -= 1 + + if (opts.report_total): + reporter.report() + for i in reversed(range(1,opts.send_eos+1)): + if (opts.sequence == "yes"): + sent+=1 + msg.properties[SN] = sent + msg.properties[EOS] = True #TODO (also in C++ client): add in ability to send digest or similar + sender.send(msg) + if ((opts.tx > 0) and (sent % opts.tx == 0)): + txCount+=1 + if ((opts.rollback_frequency > 0) and (txCount % opts.rollback_frequency == 0)): + session.rollback() + else: + session.commit() + session.sync() + session.close() + connection.close() + except Exception,e: + print e + connection.close() + +if __name__ == "__main__": main() |