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-rw-r--r--trunk/qpid/cpp/src/qpid/broker/FanOutExchange.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/trunk/qpid/cpp/src/qpid/broker/FanOutExchange.cpp b/trunk/qpid/cpp/src/qpid/broker/FanOutExchange.cpp
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+++ b/trunk/qpid/cpp/src/qpid/broker/FanOutExchange.cpp
@@ -0,0 +1,122 @@
+/*
+ *
+ * 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.
+ *
+ */
+#include "qpid/broker/FanOutExchange.h"
+#include <algorithm>
+
+using namespace qpid::broker;
+using namespace qpid::framing;
+using namespace qpid::sys;
+namespace _qmf = qmf::org::apache::qpid::broker;
+
+namespace
+{
+const std::string qpidFedOp("qpid.fed.op");
+const std::string qpidFedTags("qpid.fed.tags");
+const std::string qpidFedOrigin("qpid.fed.origin");
+
+const std::string fedOpBind("B");
+const std::string fedOpUnbind("U");
+const std::string fedOpReorigin("R");
+const std::string fedOpHello("H");
+}
+
+FanOutExchange::FanOutExchange(const std::string& _name, Manageable* _parent, Broker* b) :
+ Exchange(_name, _parent, b)
+{
+ if (mgmtExchange != 0)
+ mgmtExchange->set_type (typeName);
+}
+
+FanOutExchange::FanOutExchange(const std::string& _name, bool _durable,
+ const FieldTable& _args, Manageable* _parent, Broker* b) :
+ Exchange(_name, _durable, _args, _parent, b)
+{
+ if (mgmtExchange != 0)
+ mgmtExchange->set_type (typeName);
+}
+
+bool FanOutExchange::bind(Queue::shared_ptr queue, const string& /*key*/, const FieldTable* args)
+{
+ string fedOp(args ? args->getAsString(qpidFedOp) : fedOpBind);
+ string fedTags(args ? args->getAsString(qpidFedTags) : "");
+ string fedOrigin(args ? args->getAsString(qpidFedOrigin) : "");
+ bool propagate = false;
+
+ if (args == 0 || fedOp.empty() || fedOp == fedOpBind) {
+ Binding::shared_ptr binding (new Binding ("", queue, this, FieldTable(), fedOrigin));
+ if (bindings.add_unless(binding, MatchQueue(queue))) {
+ propagate = fedBinding.addOrigin(fedOrigin);
+ if (mgmtExchange != 0) {
+ mgmtExchange->inc_bindingCount();
+ }
+ } else {
+ return false;
+ }
+ } else if (fedOp == fedOpUnbind) {
+ propagate = fedBinding.delOrigin(fedOrigin);
+ if (fedBinding.count() == 0)
+ unbind(queue, "", 0);
+ } else if (fedOp == fedOpReorigin) {
+ if (fedBinding.hasLocal()) {
+ propagateFedOp(string(), string(), fedOpBind, string());
+ }
+ }
+
+ routeIVE();
+ if (propagate)
+ propagateFedOp(string(), fedTags, fedOp, fedOrigin);
+ return true;
+}
+
+bool FanOutExchange::unbind(Queue::shared_ptr queue, const string& /*key*/, const FieldTable* /*args*/)
+{
+ bool propagate = false;
+
+ if (bindings.remove_if(MatchQueue(queue))) {
+ propagate = fedBinding.delOrigin();
+ if (mgmtExchange != 0) {
+ mgmtExchange->dec_bindingCount();
+ }
+ } else {
+ return false;
+ }
+
+ if (propagate)
+ propagateFedOp(string(), string(), fedOpUnbind, string());
+ return true;
+}
+
+void FanOutExchange::route(Deliverable& msg, const string& /*routingKey*/, const FieldTable* /*args*/)
+{
+ PreRoute pr(msg, this);
+ doRoute(msg, bindings.snapshot());
+}
+
+bool FanOutExchange::isBound(Queue::shared_ptr queue, const string* const, const FieldTable* const)
+{
+ BindingsArray::ConstPtr ptr = bindings.snapshot();
+ return ptr && std::find_if(ptr->begin(), ptr->end(), MatchQueue(queue)) != ptr->end();
+}
+
+
+FanOutExchange::~FanOutExchange() {}
+
+const std::string FanOutExchange::typeName("fanout");