added reservations to examples

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@911048 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 86 insertions, 0 deletions

diff --git a/python/examples/reservations/common.py b/python/examples/reservations/common.py
new file mode 100644
index 0000000000..4f9efd0227
--- /dev/null
+++ b/python/examples/reservations/common.py
@@ -0,0 +1,86 @@
+#!/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 traceback
+from fnmatch import fnmatch
+from qpid.messaging import *
+
+class Dispatcher:
+
+  def unhandled(self, msg):
+    print "UNHANDLED MESSAGE: %s" % msg
+
+  def ignored(self, msg):
+    return False
+
+  def dispatch(self, msg):
+    try:
+      if self.ignored(msg):
+        return ()
+      else:
+        type = msg.properties.get("type")
+        replies = getattr(self, "do_%s" % type, self.unhandled)(msg)
+        if replies is None:
+          return ()
+        else:
+          return replies
+    except:
+      traceback.print_exc()
+      return ()
+
+  def run(self, session):
+    senders = {}
+    while self.running():
+      msg = session.next_receiver().fetch()
+      replies = self.dispatch(msg)
+
+      count = len(replies)
+      sequence = 1
+      for r in replies:
+        if senders.has_key(r.to):
+          rsnd = senders[r.to]
+        else:
+          rsnd = session.sender(r.to)
+          senders[r.to] = rsnd
+
+        r.correlation_id = msg.correlation_id
+        r.properties["count"] = count
+        r.properties["sequence"] = sequence
+        sequence += 1
+        try:
+          rsnd.send(r)
+        except SendError, e:
+          print e
+          del senders[r.to]
+          rsnd.close()
+
+      session.acknowledge(msg)
+
+def get_status(msg):
+  return msg.content["identity"], msg.content["status"], msg.content["owner"]
+
+FREE = "free"
+BUSY = "busy"
+
+def match(value, patterns):
+  for p in patterns:
+    if fnmatch(value, p):
+      return True
+  return False