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#ifndef _broker_Exchange_h
#define _broker_Exchange_h
/*
*
* 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 <boost/shared_ptr.hpp>
#include "qpid/broker/BrokerImportExport.h"
#include "qpid/broker/Deliverable.h"
#include "qpid/broker/Queue.h"
#include "qpid/broker/MessageStore.h"
#include "qpid/broker/PersistableExchange.h"
#include "qpid/framing/FieldTable.h"
#include "qpid/sys/Mutex.h"
#include "qpid/management/Manageable.h"
#include "qmf/org/apache/qpid/broker/Exchange.h"
#include "qmf/org/apache/qpid/broker/Binding.h"
namespace qpid {
namespace broker {
class ExchangeRegistry;
class Exchange : public PersistableExchange, public management::Manageable {
public:
struct Binding : public management::Manageable {
typedef boost::shared_ptr<Binding> shared_ptr;
typedef std::vector<Binding::shared_ptr> vector;
Queue::shared_ptr queue;
const std::string key;
const framing::FieldTable args;
qmf::org::apache::qpid::broker::Binding* mgmtBinding;
Binding(const std::string& key, Queue::shared_ptr queue, Exchange* parent = 0,
framing::FieldTable args = framing::FieldTable(), const std::string& origin = std::string());
~Binding();
management::ManagementObject* GetManagementObject() const;
};
private:
const std::string name;
const bool durable;
boost::shared_ptr<Exchange> alternate;
uint32_t alternateUsers;
mutable uint64_t persistenceId;
protected:
mutable qpid::framing::FieldTable args;
bool sequence;
mutable qpid::sys::Mutex sequenceLock;
int64_t sequenceNo;
bool ive;
boost::intrusive_ptr<Message> lastMsg;
class PreRoute{
public:
PreRoute(Deliverable& msg, Exchange* _p);
~PreRoute();
private:
Exchange* parent;
};
void routeIVE();
struct MatchQueue {
const Queue::shared_ptr queue;
MatchQueue(Queue::shared_ptr q);
bool operator()(Exchange::Binding::shared_ptr b);
};
class FedBinding {
uint32_t localBindings;
std::set<std::string> originSet;
public:
FedBinding() : localBindings(0) {}
bool hasLocal() const { return localBindings != 0; }
bool addOrigin(const std::string& origin) {
if (origin.empty()) {
localBindings++;
return localBindings == 1;
}
originSet.insert(origin);
return true;
}
bool delOrigin(const std::string& origin) {
originSet.erase(origin);
return true;
}
bool delOrigin() {
if (localBindings > 0)
localBindings--;
return localBindings == 0;
}
uint32_t count() {
return localBindings + originSet.size();
}
};
qmf::org::apache::qpid::broker::Exchange* mgmtExchange;
public:
typedef boost::shared_ptr<Exchange> shared_ptr;
QPID_BROKER_EXTERN explicit Exchange(const std::string& name, management::Manageable* parent = 0,
Broker* broker = 0);
QPID_BROKER_EXTERN Exchange(const std::string& _name, bool _durable, const qpid::framing::FieldTable& _args,
management::Manageable* parent = 0, Broker* broker = 0);
QPID_BROKER_EXTERN virtual ~Exchange();
const std::string& getName() const { return name; }
bool isDurable() { return durable; }
qpid::framing::FieldTable& getArgs() { return args; }
Exchange::shared_ptr getAlternate() { return alternate; }
void setAlternate(Exchange::shared_ptr _alternate);
void incAlternateUsers() { alternateUsers++; }
void decAlternateUsers() { alternateUsers--; }
bool inUseAsAlternate() { return alternateUsers > 0; }
virtual std::string getType() const = 0;
virtual bool bind(Queue::shared_ptr queue, const std::string& routingKey, const qpid::framing::FieldTable* args) = 0;
virtual bool unbind(Queue::shared_ptr queue, const std::string& routingKey, const qpid::framing::FieldTable* args) = 0;
virtual bool isBound(Queue::shared_ptr queue, const std::string* const routingKey, const qpid::framing::FieldTable* const args) = 0;
QPID_BROKER_EXTERN virtual void setProperties(const boost::intrusive_ptr<Message>&);
virtual void route(Deliverable& msg, const std::string& routingKey, const qpid::framing::FieldTable* args) = 0;
//PersistableExchange:
QPID_BROKER_EXTERN void setPersistenceId(uint64_t id) const;
uint64_t getPersistenceId() const { return persistenceId; }
QPID_BROKER_EXTERN uint32_t encodedSize() const;
QPID_BROKER_EXTERN virtual void encode(framing::Buffer& buffer) const;
static QPID_BROKER_EXTERN Exchange::shared_ptr decode(ExchangeRegistry& exchanges, framing::Buffer& buffer);
// Manageable entry points
QPID_BROKER_EXTERN management::ManagementObject* GetManagementObject(void) const;
// Federation hooks
class DynamicBridge {
public:
virtual ~DynamicBridge() {}
virtual void propagateBinding(const std::string& key, const std::string& tagList, const std::string& op, const std::string& origin) = 0;
virtual void sendReorigin() = 0;
virtual bool containsLocalTag(const std::string& tagList) const = 0;
virtual const std::string& getLocalTag() const = 0;
};
void registerDynamicBridge(DynamicBridge* db);
void removeDynamicBridge(DynamicBridge* db);
virtual bool supportsDynamicBinding() { return false; }
Broker* getBroker() const { return broker; }
protected:
qpid::sys::Mutex bridgeLock;
std::vector<DynamicBridge*> bridgeVector;
Broker* broker;
QPID_BROKER_EXTERN virtual void handleHelloRequest();
void propagateFedOp(const std::string& routingKey, const std::string& tags,
const std::string& op, const std::string& origin);
};
}}
#endif /*!_broker_Exchange.cpp_h*/
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