SubscriberOnSql.h

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/*
 * Copyright (C) 2006-2020 Istituto Italiano di Tecnologia (IIT)
 * Copyright (C) 2006-2010 RobotCub Consortium
 * All rights reserved.
 *
 * This software may be modified and distributed under the terms of the
 * BSD-3-Clause license. See the accompanying LICENSE file for details.
 */
 
#ifndef YARP_SERVERSQL_IMPL_SUBSCRIBERONSQL_H
#define YARP_SERVERSQL_IMPL_SUBSCRIBERONSQL_H
 
#include <yarp/serversql/impl/Subscriber.h>
 
#include <mutex>
 
 
namespace yarp {
namespace serversql {
namespace impl {
 
class SubscriberOnSql : public Subscriber
{
public:
    SubscriberOnSql()
    {
        implementation = nullptr;
    }
 
    ~SubscriberOnSql() override
    {
        if (implementation != nullptr) {
            close();
        }
    }
 
    bool open(const std::string& filename, bool fresh = false);
 
    bool close();
 
    bool addSubscription(const std::string& src,
                         const std::string& dest,
                         const std::string& mode) override;
 
    bool removeSubscription(const std::string& src,
                            const std::string& dest) override;
 
    bool listSubscriptions(const std::string& port,
                           yarp::os::Bottle& reply) override;
 
    bool welcome(const std::string& port, int activity) override;
 
    bool hookup(const std::string& port);
 
    bool breakdown(const std::string& port);
 
    bool setTopic(const std::string& port,
                  const std::string& structure, bool active) override;
 
    bool listTopics(yarp::os::Bottle& topics) override;
 
    bool transitiveWelcome(const std::string& topic,
                           const std::string& src,
                           const std::string& dest,
                           const std::string& srcFull,
                           const std::string& destFull);
 
    bool checkSubscription(const std::string& src,
                           const std::string& dest,
                           const std::string& srcFull,
                           const std::string& destFull,
                           const std::string& mode);
 
    bool breakSubscription(const std::string& dropper,
                           const std::string& src,
                           const std::string& dest,
                           const std::string& srcFull,
                           const std::string& destFull,
                           const std::string& mode);
 
    bool setType(const std::string& family,
                 const std::string& structure,
                 const std::string& value) override;
 
    std::string getType(const std::string& family,
                        const std::string& structure) override;
 
private:
    void *implementation {nullptr};
    std::mutex mutex;
};
 
} // namespace impl
} // namespace serversql
} // namespace yarp
 
 
#endif // YARP_SERVERSQL_IMPL_SUBSCRIBERONSQL_H