ring_signal.h

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/*
 *  Copyright (C) 2004-2025 Savoir-faire Linux Inc.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program. If not, see <https://www.gnu.org/licenses/>.
 */
#pragma once
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include "callmanager_interface.h"
#include "configurationmanager_interface.h"
#include "conversation_interface.h"
#include "presencemanager_interface.h"
#include "datatransfer_interface.h"
 
#ifdef ENABLE_VIDEO
#include "videomanager_interface.h"
#endif
 
#ifdef ENABLE_PLUGIN
#include "plugin_manager_interface.h"
#endif
 
#include "jami.h"
#include "logger.h"
#include "trace-tools.h"
#include "tracepoint.h"
 
#ifdef __APPLE__
#include <TargetConditionals.h>
#endif
 
#include <exception>
#include <memory>
#include <map>
#include <utility>
#include <string>
 
namespace jami {
 
using SignalHandlerMap = std::map<std::string, std::shared_ptr<libjami::CallbackWrapperBase>>;
extern SignalHandlerMap& getSignalHandlers();
 
/*
 * Find related user given callback and call it with given
 * arguments.
 */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
template<typename Ts, typename... Args>
void emitSignal(Args... args)
{
    jami_tracepoint_if_enabled(emit_signal, demangle<Ts>().c_str());
 
    const auto& handlers = getSignalHandlers();
    if (auto wrap = libjami::CallbackWrapper<typename Ts::cb_type>(handlers.at(Ts::name))) {
        try {
            auto cb = *wrap;
            jami_tracepoint(emit_signal_begin_callback,
                            wrap.file_, wrap.linum_);
            cb(args...);
            jami_tracepoint(emit_signal_end_callback);
        } catch (std::exception& e) {
            JAMI_ERR("Exception during emit signal %s:\n%s", Ts::name, e.what());
        }
    }
 
    jami_tracepoint(emit_signal_end);
}
#pragma GCC diagnostic pop
 
template<typename Ts>
std::pair<std::string, std::shared_ptr<libjami::CallbackWrapper<typename Ts::cb_type>>>
exported_callback()
{
    return std::make_pair((const std::string&) Ts::name,
                          std::make_shared<libjami::CallbackWrapper<typename Ts::cb_type>>());
}
 
} // namespace jami