Max Kellermann
140 lines
3.6 KiB
C++
140 lines
3.6 KiB
C++
/*
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* Copyright 2003-2022 The Music Player Daemon Project
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* http://www.musicpd.org
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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 2 of the License, or
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* (at your option) 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "UpnpNeighborPlugin.hxx"
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#include "lib/upnp/ClientInit.hxx"
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#include "lib/upnp/Discovery.hxx"
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#include "lib/upnp/ContentDirectoryService.hxx"
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#include "neighbor/NeighborPlugin.hxx"
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#include "neighbor/Explorer.hxx"
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#include "neighbor/Listener.hxx"
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#include "neighbor/Info.hxx"
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#include "Log.hxx"
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class UpnpNeighborExplorer final
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: public NeighborExplorer, UPnPDiscoveryListener {
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struct Server {
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std::string name, comment;
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bool alive;
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Server(std::string &&_name, std::string &&_comment)
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:name(std::move(_name)), comment(std::move(_comment)),
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alive(true) {}
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Server(const Server &) = delete;
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Server &operator=(const Server &) = delete;
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[[gnu::pure]]
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bool operator==(const Server &other) const noexcept {
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return name == other.name;
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}
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[[nodiscard]] [[gnu::pure]]
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NeighborInfo Export() const noexcept {
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return { "smb://" + name + "/", comment };
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}
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};
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EventLoop &event_loop;
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UPnPDeviceDirectory *discovery;
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public:
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UpnpNeighborExplorer(EventLoop &_event_loop,
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NeighborListener &_listener)
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:NeighborExplorer(_listener), event_loop(_event_loop) {}
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/* virtual methods from class NeighborExplorer */
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void Open() override;
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void Close() noexcept override;
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[[nodiscard]] List GetList() const noexcept override;
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private:
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/* virtual methods from class UPnPDiscoveryListener */
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void FoundUPnP(const ContentDirectoryService &service) override;
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void LostUPnP(const ContentDirectoryService &service) override;
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};
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void
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UpnpNeighborExplorer::Open()
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{
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auto handle = UpnpClientGlobalInit(nullptr);
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discovery = new UPnPDeviceDirectory(event_loop, handle, this);
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try {
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discovery->Start();
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} catch (...) {
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delete discovery;
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UpnpClientGlobalFinish();
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throw;
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}
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}
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void
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UpnpNeighborExplorer::Close() noexcept
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{
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delete discovery;
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UpnpClientGlobalFinish();
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}
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NeighborExplorer::List
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UpnpNeighborExplorer::GetList() const noexcept
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{
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std::vector<ContentDirectoryService> tmp;
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try {
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tmp = discovery->GetDirectories();
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} catch (...) {
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LogError(std::current_exception());
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}
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List result;
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for (const auto &i : tmp)
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result.emplace_front(i.GetURI(), i.getFriendlyName());
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return result;
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}
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void
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UpnpNeighborExplorer::FoundUPnP(const ContentDirectoryService &service)
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{
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const NeighborInfo n(service.GetURI(), service.getFriendlyName());
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listener.FoundNeighbor(n);
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}
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void
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UpnpNeighborExplorer::LostUPnP(const ContentDirectoryService &service)
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{
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const NeighborInfo n(service.GetURI(), service.getFriendlyName());
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listener.LostNeighbor(n);
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}
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static std::unique_ptr<NeighborExplorer>
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upnp_neighbor_create(EventLoop &event_loop,
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NeighborListener &listener,
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[[maybe_unused]] const ConfigBlock &block)
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{
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return std::make_unique<UpnpNeighborExplorer>(event_loop, listener);
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}
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const NeighborPlugin upnp_neighbor_plugin = {
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"upnp",
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upnp_neighbor_create,
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};
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