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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "UpnpNeighborPlugin.hxx"
#include "lib/upnp/ClientInit.hxx"
#include "lib/upnp/Discovery.hxx"
#include "lib/upnp/ContentDirectoryService.hxx"
#include "neighbor/NeighborPlugin.hxx"
#include "neighbor/Explorer.hxx"
#include "neighbor/Listener.hxx"
#include "neighbor/Info.hxx"
#include "Log.hxx"
#include <stdexcept>
class UpnpNeighborExplorer final
: public NeighborExplorer, UPnPDiscoveryListener {
struct Server {
std::string name, comment;
bool alive;
Server(std::string &&_name, std::string &&_comment)
:name(std::move(_name)), comment(std::move(_comment)),
alive(true) {}
Server(const Server &) = delete;
gcc_pure
bool operator==(const Server &other) const noexcept {
return name == other.name;
}
gcc_pure
NeighborInfo Export() const noexcept {
return { "smb://" + name + "/", comment };
}
};
EventLoop &event_loop;
UPnPDeviceDirectory *discovery;
public:
UpnpNeighborExplorer(EventLoop &_event_loop,
NeighborListener &_listener)
:NeighborExplorer(_listener), event_loop(_event_loop) {}
/* virtual methods from class NeighborExplorer */
void Open() override;
void Close() noexcept override;
List GetList() const noexcept override;
private:
/* virtual methods from class UPnPDiscoveryListener */
void FoundUPnP(const ContentDirectoryService &service) override;
void LostUPnP(const ContentDirectoryService &service) override;
};
void
UpnpNeighborExplorer::Open()
{
auto handle = UpnpClientGlobalInit();
discovery = new UPnPDeviceDirectory(event_loop, handle, this);
try {
discovery->Start();
} catch (...) {
delete discovery;
UpnpClientGlobalFinish();
throw;
}
}
void
UpnpNeighborExplorer::Close() noexcept
{
delete discovery;
UpnpClientGlobalFinish();
}
NeighborExplorer::List
UpnpNeighborExplorer::GetList() const noexcept
{
std::vector<ContentDirectoryService> tmp;
try {
tmp = discovery->GetDirectories();
} catch (...) {
LogError(std::current_exception());
}
List result;
for (const auto &i : tmp)
result.emplace_front(i.GetURI(), i.getFriendlyName());
return result;
}
void
UpnpNeighborExplorer::FoundUPnP(const ContentDirectoryService &service)
{
const NeighborInfo n(service.GetURI(), service.getFriendlyName());
listener.FoundNeighbor(n);
}
void
UpnpNeighborExplorer::LostUPnP(const ContentDirectoryService &service)
{
const NeighborInfo n(service.GetURI(), service.getFriendlyName());
listener.LostNeighbor(n);
}
static std::unique_ptr<NeighborExplorer>
upnp_neighbor_create(EventLoop &event_loop,
NeighborListener &listener,
gcc_unused const ConfigBlock &block)
{
return std::make_unique<UpnpNeighborExplorer>(event_loop, listener);
}
const NeighborPlugin upnp_neighbor_plugin = {
"upnp",
upnp_neighbor_create,
};