91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
//
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// mdns_server.hpp
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//
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// Copyright (c) 2019 2020 Andrea Bondavalli. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef _MDNS_SERVER_HPP_
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#define _MDNS_SERVER_HPP_
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#ifdef _USE_AVAHI_
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#include <avahi-client/client.h>
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#include <avahi-client/publish.h>
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#include <avahi-common/error.h>
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#include <avahi-common/malloc.h>
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#include <avahi-common/thread-watch.h>
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#endif
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#include <atomic>
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#include <boost/bimap.hpp>
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#include <mutex>
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#include <thread>
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#include "config.hpp"
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#include "session_manager.hpp"
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#include "utils.hpp"
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class MDNSServer {
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public:
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MDNSServer(std::shared_ptr<SessionManager> session_manager,
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std::shared_ptr<Config> config)
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: session_manager_(session_manager), config_(config) {}
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MDNSServer() = delete;
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MDNSServer(const MDNSServer&) = delete;
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MDNSServer& operator=(const MDNSServer&) = delete;
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virtual ~MDNSServer() = default;
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virtual bool init();
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virtual bool terminate();
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bool add_service(const std::string& name, const std::string& sdp);
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bool remove_service(const std::string& name);
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protected:
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#ifdef _USE_AVAHI_
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static void entry_group_callback(AvahiEntryGroup* g,
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AvahiEntryGroupState state,
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void* userdata);
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static void client_callback(AvahiClient* c,
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AvahiClientState state,
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void* userdata);
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bool create_services(AvahiClient* client);
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#endif
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private:
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std::atomic_bool running_{false};
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std::shared_ptr<SessionManager> session_manager_;
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std::shared_ptr<Config> config_;
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std::string node_id_{config_->get_node_id()};
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#ifdef _USE_AVAHI_
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using entry_group_bimap_t =
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boost::bimap<std::string /* name */, AvahiEntryGroup*>;
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entry_group_bimap_t groups_;
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/* order is important here */
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std::unique_ptr<AvahiThreadedPoll, decltype(&avahi_threaded_poll_free)> poll_{
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nullptr, &avahi_threaded_poll_free};
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std::unique_ptr<AvahiClient, decltype(&avahi_client_free)> client_{
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nullptr, &avahi_client_free};
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#endif
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};
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#endif
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