0f8b9e714e
- aligned state handling with avahi-browse tool: browser is started in client callback - browsing is limited to IPv4 services discovered on the specific daemon network interface only Additional minor changes.
104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
//
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// browser.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 _BROWSER_HPP_
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#define _BROWSER_HPP_
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#include <future>
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#include <shared_mutex>
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#include <thread>
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#include <chrono>
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#include <list>
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#include <boost/multi_index_container.hpp>
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#include <boost/multi_index/indexed_by.hpp>
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#include <boost/multi_index/hashed_index.hpp>
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#include <boost/multi_index/ordered_index.hpp>
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#include <boost/multi_index/member.hpp>
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#include "config.hpp"
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#include "sap.hpp"
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#include "igmp.hpp"
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#include "mdns_client.hpp"
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using namespace boost::multi_index;
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struct RemoteSource {
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std::string id;
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std::string source;
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std::string address;
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std::string name;
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std::string sdp;
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uint32_t last_seen; /* seconds from daemon startup */
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uint32_t announce_period; /* period between annoucements */
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};
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class Browser : public MDNSClient {
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public:
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static std::shared_ptr<Browser> create(
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std::shared_ptr<Config> config);
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Browser() = delete;
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Browser(const Browser&) = delete;
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Browser& operator=(const Browser&) = delete;
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virtual ~Browser(){ terminate(); };
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bool init() override;
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bool terminate() override;
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std::list<RemoteSource> get_remote_sources() const;
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protected:
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// singleton, use create() to build
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Browser(std::shared_ptr<Config> config):
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MDNSClient(config),
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startup_(std::chrono::steady_clock::now()){};
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bool worker();
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virtual void on_new_rtsp_source(
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const std::string& name,
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const std::string& domain,
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const RTSPSSource& source) override;
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virtual void on_remove_rtsp_source(
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const std::string& name,
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const std::string& domain) override;
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std::future<bool> res_;
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std::atomic_bool running_{false};
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/* current sources */
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struct id_tag{};
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using by_id = hashed_unique<tag<id_tag>, member<RemoteSource,
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std::string, &RemoteSource::id>>;
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struct name_tag{};
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using by_name = ordered_non_unique<tag<name_tag>, member<RemoteSource,
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std::string, &RemoteSource::name>>;
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using sources_t = multi_index_container<RemoteSource,
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indexed_by<by_id, by_name>>;
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sources_t sources_;
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mutable std::shared_mutex sources_mutex_;
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SAP sap_{config_->get_sap_mcast_addr()};
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IGMP igmp_;
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std::chrono::time_point<std::chrono::steady_clock> startup_;
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};
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#endif
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