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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 _QPID_CONSOLE_BROKER_H_
#define _QPID_CONSOLE_BROKER_H_
#include "qpid/console/ConsoleImportExport.h"
#include "qpid/client/Connection.h"
#include "qpid/client/ConnectionSettings.h"
#include "qpid/client/SubscriptionManager.h"
#include "qpid/client/Session.h"
#include "qpid/client/AsyncSession.h"
#include "qpid/client/Message.h"
#include "qpid/client/MessageListener.h"
#include "qpid/sys/Thread.h"
#include "qpid/sys/Runnable.h"
#include "qpid/sys/Mutex.h"
#include "qpid/sys/Condition.h"
#include "qpid/Url.h"
#include "qpid/framing/Buffer.h"
#include "qpid/framing/Uuid.h"
#include <string>
#include <iostream>
namespace qpid {
namespace console {
class SessionManager;
class Agent;
class Object;
/**
*
* \ingroup qpidconsoleapi
*/
class Broker : public client::MessageListener {
public:
QPID_CONSOLE_EXTERN Broker(SessionManager& sm,
client::ConnectionSettings& settings);
QPID_CONSOLE_EXTERN ~Broker();
QPID_CONSOLE_INLINE_EXTERN bool isConnected() const { return connected; }
QPID_CONSOLE_INLINE_EXTERN const std::string& getError() const { return error; }
QPID_CONSOLE_INLINE_EXTERN const std::string& getSessionId() const { return amqpSessionId; }
QPID_CONSOLE_INLINE_EXTERN const framing::Uuid& getBrokerId() const { return brokerId; }
QPID_CONSOLE_INLINE_EXTERN uint32_t getBrokerBank() const { return 1; }
QPID_CONSOLE_INLINE_EXTERN void addBinding(const std::string& key) {
connThreadBody.bindExchange("qpid.management", key);
}
QPID_CONSOLE_EXTERN std::string getUrl() const;
QPID_CONSOLE_EXTERN void waitForStable();
private:
friend class SessionManager;
friend class Object;
typedef std::map<uint64_t,Agent*> AgentMap;
static const int SYNC_TIME = 60;
SessionManager& sessionManager;
AgentMap agents;
bool connected;
std::string error;
std::string amqpSessionId;
client::ConnectionSettings connectionSettings;
sys::Mutex lock;
sys::Condition cond;
framing::Uuid brokerId;
uint32_t reqsOutstanding;
bool syncInFlight;
bool topicBound;
Object* methodObject;
friend class ConnectionThread;
class ConnectionThread : public sys::Runnable {
bool operational;
bool shuttingDown;
Broker& broker;
framing::Uuid sessionId;
client::Connection connection;
client::Session session;
client::SubscriptionManager* subscriptions;
std::stringstream queueName;
sys::Mutex connLock;
void run();
public:
ConnectionThread(Broker& _broker) :
operational(false), shuttingDown(false), broker(_broker), subscriptions(0) {}
~ConnectionThread();
void sendBuffer(qpid::framing::Buffer& buf,
uint32_t length,
const std::string& exchange = "qpid.management",
const std::string& routingKey = "broker");
void bindExchange(const std::string& exchange, const std::string& key);
void shutdown();
};
ConnectionThread connThreadBody;
sys::Thread connThread;
void encodeHeader(framing::Buffer& buf, uint8_t opcode, uint32_t seq = 0) const;
bool checkHeader(framing::Buffer& buf, uint8_t *opcode, uint32_t *seq) const;
void received(client::Message& msg);
void resetAgents();
void updateAgent(const Object& object);
void incOutstanding();
void decOutstanding();
void setBrokerId(const framing::Uuid& id) { brokerId = id; }
void appendAgents(std::vector<Agent*>& agents) const;
friend std::ostream& operator<<(std::ostream& o, const Broker& k);
};
std::ostream& operator<<(std::ostream& o, const Broker& k);
}
}
#endif
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