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author | Gordon Sim <gsim@apache.org> | 2007-12-20 16:40:12 +0000 |
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committer | Gordon Sim <gsim@apache.org> | 2007-12-20 16:40:12 +0000 |
commit | 033d70f9992f1ab487d4dbe17b77a25f30934f86 (patch) | |
tree | aa87d0a983608bbfe813fc3d26d1afdac4bd21bd /python/examples/direct | |
parent | 7e7e59308b8a2d19770283d197580b37328aa711 (diff) | |
download | qpid-python-033d70f9992f1ab487d4dbe17b77a25f30934f86.tar.gz |
Further renames as suggested by jrobie@redhat.com
git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@605975 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'python/examples/direct')
-rw-r--r-- | python/examples/direct/declare_queues.py (renamed from python/examples/direct/config_direct_exchange.py) | 0 | ||||
-rw-r--r-- | python/examples/direct/direct_producer.py | 1 | ||||
-rw-r--r-- | python/examples/direct/listener.py | 87 |
3 files changed, 87 insertions, 1 deletions
diff --git a/python/examples/direct/config_direct_exchange.py b/python/examples/direct/declare_queues.py index e64ad678b8..e64ad678b8 100644 --- a/python/examples/direct/config_direct_exchange.py +++ b/python/examples/direct/declare_queues.py diff --git a/python/examples/direct/direct_producer.py b/python/examples/direct/direct_producer.py index 6770e56803..ff662477ce 100644 --- a/python/examples/direct/direct_producer.py +++ b/python/examples/direct/direct_producer.py @@ -48,4 +48,3 @@ session.message_transfer(destination="amq.direct", content=message) # Clean up before exiting so there are no open threads. session.session_close() - diff --git a/python/examples/direct/listener.py b/python/examples/direct/listener.py new file mode 100644 index 0000000000..e5eee72637 --- /dev/null +++ b/python/examples/direct/listener.py @@ -0,0 +1,87 @@ +#!/usr/bin/env python +""" + listener.py + + This AMQP client reads messages from a message + queue named "message_queue". It is implemented + as a message listener. +""" + +import qpid +from qpid.client import Client +from qpid.content import Content +from qpid.queue import Empty +from time import sleep + + +#----- Message Receive Handler ----------------------------- +class Receiver: + def __init__ (self): + self.finalReceived = False + + def isFinal (self): + return self.finalReceived + + def Handler (self, message): + content = message.content.body + print content + if content == "That's all, folks!": + self.finalReceived = True + + # Messages are not removed from the queue until they are + # acknowledged. Using cumulative=True, all messages from the session + # up to and including the one identified by the delivery tag are + # acknowledged. This is more efficient, because there are fewer + # network round-trips. + message.complete(cumulative=True) + + +#----- Initialization -------------------------------------- + +# Set parameters for login + +host="127.0.0.1" +port=5672 +amqp_spec="/usr/share/amqp/amqp.0-10-preview.xml" +user="guest" +password="guest" + +# Create a client and log in to it. + +client = Client(host, port, qpid.spec.load(amqp_spec)) +client.start({"LOGIN": user, "PASSWORD": password}) + +session = client.session() +session.session_open() + +#----- Read from queue -------------------------------------------- + +# Now let's create a local client queue and tell it to read +# incoming messages. + +# The consumer tag identifies the client-side queue. + +consumer_tag = "consumer1" +queue = client.queue(consumer_tag) + +# Call message_consume() to tell the broker to deliver messages +# from the AMQP queue to this local client queue. The broker will +# start delivering messages as soon as message_consume() is called. + +session.message_subscribe(queue="message_queue", destination=consumer_tag) +session.message_flow(consumer_tag, 0, 0xFFFFFFFF) # Kill these? +session.message_flow(consumer_tag, 1, 0xFFFFFFFF) # Kill these? + +receiver = Receiver () +queue.listen (receiver.Handler) + +while not receiver.isFinal (): + sleep (1) + + +#----- Cleanup ------------------------------------------------ + +# Clean up before exiting so there are no open threads. +# + +session.session_close() |