[rhmessaging-commits] rhmessaging commits: r1381 - mgmt/bin.

Author: justi9 Date: 2007-11-28 12:08:54 -0500 (Wed, 28 Nov 2007) New Revision: 1381 Modified: mgmt/bin/quirk Log: Updates the example client with a simpler api concept. Modified: mgmt/bin/quirk =================================================================== --- mgmt/bin/quirk 2007-11-27 23:52:36 UTC (rev 1380) +++ mgmt/bin/quirk 2007-11-28 17:08:54 UTC (rev 1381) @@ -5,76 +5,164 @@ from qpid.content import Content class Exchange(object): - def __init__(self, name): + def __init__(self, session, name): + self.session = session self.name = name - def declare(self, session): - session.exchange_declare(exchange=self.name) - session.message_flow("amq.direct", 0, 0xFFFFFFFF) - session.message_flow("amq.direct", 1, 0xFFFFFFFF) - class Queue(object): - def __init__(self, name): + def __init__(self, session, name): + self.session = session self.name = name - def declare(self, session): - session.queue_declare(queue=self.name) #XXX blows up without queue= +class Subscription(object): + def __init__(self, session, queue, name): + self.session = session + self.queue = queue + self.name = name - def bind(self, session, exchange, binding_key=None): - if binding_key is None: - binding_key = self.name + # XXX what all does this do? it seems to declare things - session.queue_bind(exchange=exchange.name, queue=self.name, - routing_key=binding_key) + # XXX what is the destination arg for? + # XXX from reading the spec, "destination" seems less + # appropriate than "subscription name" (which is what the spec + # ch. 25 docs say it is) + session.csession.message_subscribe(queue="test", destination=self.name) + + session.csession.message_flow(self.name, 0, 0xFFFFFFFF) + session.csession.message_flow(self.name, 1, 0xFFFFFFFF) + + self.client_queue = session.client.queue(self.name) + + def get(self): + m = Message() + m.content = self.client_queue.get(timeout=10).content + return m + class Message(object): def __init__(self, body=""): self.content = Content(body) self.content["content_type"] = "text/plain" - def set_content_type(self, type): - self.content["content_type"] = type - def set_routing_key(self, key): - self.content["routing_key"] = key # XXX why here and not an arg to message_transfer? + self.content["routing_key"] = key - def send(self, session, exchange): - session.message_transfer(destination=exchange.name, content=self.content) + def get_routing_key(self): + try: + return self.content["routing_key"] + except KeyError: + pass -def main(host, port): + def __str__(self): + return self.content.body + +class Session(object): + def __init__(self, client, csession): + self.client = client + self.csession = csession + + def open(self): + self.csession.open() + + def close(self): + self.csession.close() + + def declare(self, object): + if object.__class__ is Queue: + #XXX blows up without queue= + self.csession.queue_declare(queue=object.name) + elif object.__class__ is Exchange: + self.csession.exchange_declare(exchange=object.name) + else: + raise Exception() + + def bind(self, queue, exchange, binding_key=None): + if binding_key is None: + binding_key = queue.name + + self.csession.queue_bind(exchange=exchange.name, + queue=queue.name, + routing_key=binding_key) + + def publish(self, message, object): + if object.__class__ is Exchange: + self.csession.message_transfer(destination=object.name, + content=message.content) + elif object.__class__ is Queue: + # XXX maybe this shouldn't be conditional + if message.get_routing_key() is None: + message.set_routing_key(object.name) + + self.csession.message_transfer(destination="", + content=message.content) + +def direct_with_explicit_exchange(host, port): client = Client(host, port) client.start({"LOGIN": "guest", "PASSWORD": "guest"}) - session = client.session() + session = Session(client, client.session()) session.open() - # XXX what all does this do? it seems to declare things - session.message_subscribe(queue="test", destination="amq.direct") # XXX what is the destination arg for? + try: + q = Queue(session, "test") + e = Exchange(session, "amq.direct") + s = Subscription(session, q, "s") - exchange = Exchange("amq.direct") - exchange.declare(session) + session.declare(q) + session.bind(q, e) - queue = Queue("test") - queue.declare(session) - queue.bind(session, exchange) + for i in range(0, 10): + print i, - # XXX this can't go here, because flow stuff barfs - #session.message_subscribe(queue="test", destination="amq.direct") # XXX what is the destination arg for? + m = Message("Test message " + str(i)) - for n in range(0, 10): - print n, - message = Message("Test message " + str(n)) - message.set_routing_key(queue.name) - message.send(session, exchange) + # XXX make this an arg publish, instead? + m.set_routing_key(q.name) - print + session.publish(m, e) - q = client.queue("amq.direct") # XXX huh? - msg = q.get(timeout=10) + print "." + for i in range(0, 10): + print i, + + m = s.get() + + print m + finally: + session.close() + +def direct_with_implicit_exchange(host, port): + client = Client(host, port) + client.start({"LOGIN": "guest", "PASSWORD": "guest"}) + + # Now, simpler, using the default exchange: + + session = Session(client, client.session()) + session.open() + + try: + q = Queue(session, "test") + s = Subscription(session, q, "s") + + session.declare(q) + + for i in range(0, 10): + print i, + m = Message("m%i" % i) + session.publish(m, q) + print "Sent", m + + for i in range(0, 10): + print i, + m = s.get() + print "Received", m + finally: + session.close() + if __name__ == "__main__": if len(sys.argv) != 2: - print "Usage: qbench IP:PORT" + print "Usage: quirk IP:PORT" sys.exit(2) addr = sys.argv[1].split(":") @@ -84,22 +172,4 @@ else: host, port = (addr[0], 5672) - main(host, port) - -""" -# XXX what do these do? -session.message_subscribe(queue="test", destination="amq.direct") # esp what is the destination arg for? -session.message_flow("amq.direct", 0, 0xFFFFFFFF) -session.message_flow("amq.direct", 1, 0xFFFFFFFF) - -for n in range(0, 100): - msg = Content("hello world " + str(n)) - msg["content_type"] = "text/plain" - msg["reply_to"] = client.structs.reply_to("asdf", "fdsa") # XXX structs.reply_to garbage ? - msg["application_headers"] = {"x": 1, "y": 2, "z": "zee"} - session.message_transfer(destination="amq.direct", content=msg) - q = client.queue("amq.direct") #XXX huh? - msg = q.get(timeout=10) - -session.close() -""" + direct_with_implicit_exchange(host, port)