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#ifndef QPID_CLUSTER_CONNECTIONMAP_H
#define QPID_CLUSTER_CONNECTIONMAP_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 "types.h"
#include "Connection.h"
#include "ClusterMap.h"
#include "NoOpConnectionOutputHandler.h"
#include "qpid/sys/Mutex.h"
#include <boost/intrusive_ptr.hpp>
#include <map>
namespace qpid {
namespace cluster {
class Cluster;
/**
* Thread safe map of connections. The map is used in:
* - deliver thread to look connections and create new shadow connections.
* - local catch-up connection threads to add a caught-up shadow connections.
* - local client connection threads when local connections are created.
*/
class ConnectionMap {
public:
typedef boost::intrusive_ptr<cluster::Connection> ConnectionPtr;
typedef std::vector<ConnectionPtr> Vector;
ConnectionMap(Cluster& c) : cluster(c) {}
/** Insert a local connection or a caught up shadow connection.
* Called in local connection thread.
*/
void insert(ConnectionPtr p);
/** Erase a closed connection. Called in deliver thread. */
void erase(const ConnectionId& id);
/** Get an existing connection. Returns 0 if id is a closed local
* connections, frames for closed connections should be ignored.
*/
ConnectionPtr get(const ConnectionId& id);
/** If ID is a local connection and in the map return it, else return 0 */
ConnectionPtr getLocal(const ConnectionId& id);
/** Get connections for sending an update. */
Vector values() const;
/** Remove connections who's members are no longer in the cluster. Deliver thread. */
void update(MemberId myId, const ClusterMap& cluster);
void clear();
size_t size() const;
private:
typedef std::map<ConnectionId, ConnectionPtr> Map;
Cluster& cluster;
NoOpConnectionOutputHandler shadowOut;
Map map;
};
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_CONNECTIONMAP_H*/
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