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/*
*
* 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;
qpid::framing::FieldTable args;
FedBinding fedBinding;
BoundKey(Binding::shared_ptr binding_, const qpid::framing::FieldTable& args_) : binding(binding_), args(args_) {}
};
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;
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,
AsyncStore* const store);
virtual bool unbind(Queue::shared_ptr queue,
const std::string& routingKey,
const qpid::framing::FieldTable* args,
AsyncStore* const store);
QPID_BROKER_EXTERN virtual void route(Deliverable& msg);
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);
// DataSource interface - used to write persistence data to async store
uint64_t getSize();
void write(char* target);
};
}
}
#endif
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