1 files changed, 122 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/HeadersExchange.h b/qpid/cpp/src/qpid/broker/HeadersExchange.h
new file mode 100644
index 0000000000..3b939d6851
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+++ b/qpid/cpp/src/qpid/broker/HeadersExchange.h
@@ -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.
+ *
+ */
+#ifndef _HeadersExchange_
+#define _HeadersExchange_
+
+#include <vector>
+#include "qpid/broker/BrokerImportExport.h"
+#include "qpid/broker/Exchange.h"
+#include "qpid/framing/FieldTable.h"
+#include "qpid/sys/CopyOnWriteArray.h"
+#include "qpid/sys/Mutex.h"
+#include "qpid/broker/Queue.h"
+
+namespace qpid {
+namespace broker {
+
+
+class HeadersExchange : public virtual Exchange {
+
+    struct BoundKey
+    {
+        Binding::shared_ptr binding;
+        FedBinding fedBinding;
+        BoundKey(Binding::shared_ptr binding_) : binding(binding_) {}
+    };
+
+    struct MatchArgs
+    {
+        const Queue::shared_ptr queue;        
+        const qpid::framing::FieldTable* args;
+        MatchArgs(Queue::shared_ptr q, const qpid::framing::FieldTable* a);
+        bool operator()(BoundKey & bk);
+    };
+    
+    struct MatchKey
+    {
+        const Queue::shared_ptr queue;
+        const std::string& key;
+        MatchKey(Queue::shared_ptr q, const std::string& k);
+        bool operator()(BoundKey & bk);
+    };
+
+    struct FedUnbindModifier
+    {
+        std::string queueName;
+        std::string fedOrigin;
+        bool shouldUnbind;
+        bool shouldPropagate;
+        FedUnbindModifier();
+        FedUnbindModifier(const std::string& queueName, const std::string& origin);
+        bool operator()(BoundKey & bk);
+    };
+
+    typedef qpid::sys::CopyOnWriteArray<BoundKey> Bindings;
+
+    Bindings bindings;
+    qpid::sys::Mutex lock;
+
+    static std::string getMatch(const framing::FieldTable* args);
+
+  protected:
+    void getNonFedArgs(const framing::FieldTable* args,
+                       framing::FieldTable& nonFedArgs);
+
+  public:
+    static const std::string typeName;
+
+    QPID_BROKER_EXTERN HeadersExchange(const std::string& name,
+                                       management::Manageable* parent = 0, Broker* broker = 0);
+    QPID_BROKER_EXTERN HeadersExchange(const std::string& _name,
+                                       bool _durable, 
+                                       const qpid::framing::FieldTable& _args,
+                                       management::Manageable* parent = 0, Broker* broker = 0);
+    
+    virtual std::string getType() const { return typeName; }            
+        
+    QPID_BROKER_EXTERN virtual bool bind(Queue::shared_ptr queue,
+                                         const std::string& routingKey,
+                                         const qpid::framing::FieldTable* args);
+
+    virtual bool unbind(Queue::shared_ptr queue, const std::string& routingKey, const qpid::framing::FieldTable* args);
+
+    QPID_BROKER_EXTERN virtual void route(Deliverable& msg,
+                                          const std::string& routingKey,
+                                          const qpid::framing::FieldTable* args);
+
+    QPID_BROKER_EXTERN virtual bool isBound(Queue::shared_ptr queue,
+                                            const std::string* const routingKey,
+                                            const qpid::framing::FieldTable* const args);
+
+    QPID_BROKER_EXTERN virtual ~HeadersExchange();
+
+    virtual bool supportsDynamicBinding() { return true; }
+
+    static QPID_BROKER_EXTERN bool match(const qpid::framing::FieldTable& bindArgs, const qpid::framing::FieldTable& msgArgs);
+    static bool equal(const qpid::framing::FieldTable& bindArgs, const qpid::framing::FieldTable& msgArgs);
+};
+
+
+
+}
+}
+
+#endif