library_handle.h

Go to the documentation of this file.

// Copyright (C) 2013-2020 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef LIBRARY_HANDLE_H
#define LIBRARY_HANDLE_H

#include <string>
#include <cc/data.h>

namespace isc {
namespace hooks {

// Forward declarations
class CalloutHandle;
class CalloutManager;

extern "C" {
    typedef int (*CalloutPtr)(CalloutHandle&);
};


class LibraryHandle {
public:

    LibraryHandle(CalloutManager& manager, int index = -1)
        : callout_manager_(manager), index_(index) {}

    void registerCallout(const std::string& name, CalloutPtr callout);

    void registerCommandCallout(const std::string& command_name, CalloutPtr callout);

    bool deregisterCallout(const std::string& name, CalloutPtr callout);

    bool deregisterAllCallouts(const std::string& name);


    isc::data::ConstElementPtr
    getParameter(const std::string& name);

    isc::data::ConstElementPtr getParameters();

    std::vector<std::string> getParameterNames();

private:
    LibraryHandle(const LibraryHandle&);

    LibraryHandle& operator=(const LibraryHandle&);

    CalloutManager& callout_manager_;

    int index_;
};

} // namespace util
} // namespace isc

#endif // LIBRARY_HANDLE_H