cpp/src/qpid/client/amqp0_10/ConnectionImpl.h

#ifndef QPID_CLIENT_AMQP0_10_CONNECTIONIMPL_H
#define QPID_CLIENT_AMQP0_10_CONNECTIONIMPL_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 "qpid/messaging/ConnectionImpl.h"
#include "qpid/types/Variant.h"
#include "qpid/client/Connection.h"
#include "qpid/client/ConnectionSettings.h"
#include "qpid/sys/Mutex.h"
#include "qpid/sys/Semaphore.h"
#include <map>
#include <vector>

namespace qpid {
struct Url;

namespace client {
namespace amqp0_10 {

class SessionImpl;

class ConnectionImpl : public qpid::messaging::ConnectionImpl
{
  public:
    ConnectionImpl(const std::string& url, const qpid::types::Variant::Map& options);
    void open();
    void reopen();
    bool isOpen() const;
    void close();
    qpid::messaging::Session newSession(bool transactional, const std::string& name);
    qpid::messaging::Session getSession(const std::string& name) const;
    void closed(SessionImpl&);
    void detach();
    void setOption(const std::string& name, const qpid::types::Variant& value);
    bool backoff();
    std::string getAuthenticatedUsername();
  private:
    typedef std::map<std::string, qpid::messaging::Session> Sessions;

    mutable qpid::sys::Mutex lock;//used to protect data structures
    qpid::sys::Semaphore semaphore;//used to coordinate reconnection
    Sessions sessions;
    qpid::client::Connection connection;
    bool replaceUrls;     // Replace rather than merging with reconnect-urls
    std::vector<std::string> urls;
    qpid::client::ConnectionSettings settings;
    bool reconnect;
    int64_t timeout;
    int32_t limit;
    int64_t minReconnectInterval;
    int64_t maxReconnectInterval;
    int32_t retries;
    bool reconnectOnLimitExceeded;

    void setOptions(const qpid::types::Variant::Map& options);
    void connect(const qpid::sys::AbsTime& started);
    bool tryConnect();
    bool resetSessions(const sys::Mutex::ScopedLock&); // dummy parameter indicates call with lock held.
    void mergeUrls(const std::vector<Url>& more, const sys::Mutex::ScopedLock&);
};
}}} // namespace qpid::client::amqp0_10

#endif  /*!QPID_CLIENT_AMQP0_10_CONNECTIONIMPL_H*/