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#ifndef QPID_BROKER_CONNECTION_H
#define QPID_BROKER_CONNECTION_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 <memory>
#include <sstream>
#include <vector>
#include <queue>
#include <boost/ptr_container/ptr_map.hpp>
#include "qpid/broker/ConnectionHandler.h"
#include "qpid/broker/ConnectionState.h"
#include "qpid/broker/SessionHandler.h"
#include "qmf/org/apache/qpid/broker/Connection.h"
#include "qpid/Exception.h"
#include "qpid/RefCounted.h"
#include "qpid/framing/AMQFrame.h"
#include "qpid/framing/AMQP_ClientProxy.h"
#include "qpid/framing/AMQP_ServerOperations.h"
#include "qpid/framing/ProtocolVersion.h"
#include "qpid/management/ManagementAgent.h"
#include "qpid/management/Manageable.h"
#include "qpid/ptr_map.h"
#include "qpid/sys/AggregateOutput.h"
#include "qpid/sys/ConnectionInputHandler.h"
#include "qpid/sys/ConnectionOutputHandler.h"
#include "qpid/sys/SecuritySettings.h"
#include "qpid/sys/Socket.h"
#include "qpid/sys/TimeoutHandler.h"
#include "qpid/sys/Mutex.h"
#include <boost/ptr_container/ptr_map.hpp>
#include <boost/bind.hpp>
#include <algorithm>
namespace qpid {
namespace broker {
class Broker;
class LinkRegistry;
class SecureConnection;
struct ConnectionTimeoutTask;
class Connection : public sys::ConnectionInputHandler,
public ConnectionState,
public RefCounted
{
public:
/**
* Listener that can be registered with a Connection to be informed of errors.
*/
class ErrorListener
{
public:
virtual ~ErrorListener() {}
virtual void sessionError(uint16_t channel, const std::string&) = 0;
virtual void connectionError(const std::string&) = 0;
};
Connection(sys::ConnectionOutputHandler* out,
Broker& broker,
const std::string& mgmtId,
const qpid::sys::SecuritySettings&,
bool isLink = false,
uint64_t objectId = 0,
bool shadow=false,
bool delayManagement = false);
~Connection ();
/** Get the SessionHandler for channel. Create if it does not already exist */
SessionHandler& getChannel(framing::ChannelId channel);
/** Close the connection */
void close(framing::connection::CloseCode code, const std::string& text);
// ConnectionInputHandler methods
void received(framing::AMQFrame& frame);
void idleOut();
void idleIn();
bool doOutput();
void closed();
void closeChannel(framing::ChannelId channel);
// Manageable entry points
management::ManagementObject* GetManagementObject (void) const;
management::Manageable::status_t
ManagementMethod (uint32_t methodId, management::Args& args, std::string&);
void requestIOProcessing (boost::function0<void>);
void recordFromServer (const framing::AMQFrame& frame);
void recordFromClient (const framing::AMQFrame& frame);
std::string getAuthMechanism();
std::string getAuthCredentials();
std::string getUsername();
std::string getPassword();
std::string getHost();
uint16_t getPort();
void notifyConnectionForced(const std::string& text);
void setUserId(const std::string& uid);
void raiseConnectEvent();
const std::string& getUserId() const { return ConnectionState::getUserId(); }
const std::string& getMgmtId() const { return mgmtId; }
management::ManagementAgent* getAgent() const { return agent; }
void setFederationLink(bool b);
/** Connection does not delete the listener. 0 resets. */
void setErrorListener(ErrorListener* l) { errorListener=l; }
ErrorListener* getErrorListener() { return errorListener; }
void setHeartbeatInterval(uint16_t heartbeat);
void sendHeartbeat();
void restartTimeout();
void abort();
template <class F> void eachSessionHandler(F f) {
for (ChannelMap::iterator i = channels.begin(); i != channels.end(); ++i)
f(*ptr_map_ptr(i));
}
void sendClose();
void setSecureConnection(SecureConnection* secured);
/** True if this is a shadow connection in a cluster. */
bool isShadow() { return shadow; }
// Used by cluster to update connection status
sys::AggregateOutput& getOutputTasks() { return outputTasks; }
/** Cluster delays adding management object in the constructor then calls this. */
void addManagementObject();
const qpid::sys::SecuritySettings& getExternalSecuritySettings() const
{
return securitySettings;
}
/** @return true if the initial connection negotiation is complete. */
bool isOpen();
// Used by cluster during catch-up, see cluster::OutputInterceptor
void doIoCallbacks();
private:
typedef boost::ptr_map<framing::ChannelId, SessionHandler> ChannelMap;
typedef std::vector<boost::shared_ptr<Queue> >::iterator queue_iterator;
ChannelMap channels;
qpid::sys::SecuritySettings securitySettings;
ConnectionHandler adapter;
const bool isLink;
bool mgmtClosing;
const std::string mgmtId;
sys::Mutex ioCallbackLock;
std::queue<boost::function0<void> > ioCallbacks;
qmf::org::apache::qpid::broker::Connection* mgmtObject;
LinkRegistry& links;
management::ManagementAgent* agent;
sys::Timer& timer;
boost::intrusive_ptr<sys::TimerTask> heartbeatTimer;
boost::intrusive_ptr<ConnectionTimeoutTask> timeoutTimer;
ErrorListener* errorListener;
uint64_t objectId;
bool shadow;
/**
* Chained ConnectionOutputHandler that allows outgoing frames to be
* tracked (for updating mgmt stats).
*/
class OutboundFrameTracker : public sys::ConnectionOutputHandler
{
public:
OutboundFrameTracker(Connection&);
void close();
size_t getBuffered() const;
void abort();
void activateOutput();
void giveReadCredit(int32_t credit);
void send(framing::AMQFrame&);
void wrap(sys::ConnectionOutputHandlerPtr&);
private:
Connection& con;
sys::ConnectionOutputHandler* next;
};
OutboundFrameTracker outboundTracker;
void sent(const framing::AMQFrame& f);
public:
qmf::org::apache::qpid::broker::Connection* getMgmtObject() { return mgmtObject; }
};
}}
#endif /*!QPID_BROKER_CONNECTION_H*/
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