212 lines
4.0 KiB
C++
212 lines
4.0 KiB
C++
/*
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* Copyright 2003-2021 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 "config.h"
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#include "Instance.hxx"
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#include "Partition.hxx"
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#include "IdleFlags.hxx"
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#include "StateFile.hxx"
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#include "Stats.hxx"
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#include "client/List.hxx"
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#include "input/cache/Manager.hxx"
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#ifdef ENABLE_CURL
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#include "RemoteTagCache.hxx"
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#include "util/UriExtract.hxx"
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#endif
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#ifdef ENABLE_DATABASE
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#include "db/DatabaseError.hxx"
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#include "db/Interface.hxx"
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#include "db/update/Service.hxx"
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#include "storage/StorageInterface.hxx"
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#ifdef ENABLE_INOTIFY
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#include "db/update/InotifyUpdate.hxx"
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#endif
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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#include "neighbor/Glue.hxx"
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#endif
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#ifdef ENABLE_SQLITE
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#include "sticker/Database.hxx"
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#include "sticker/SongSticker.hxx"
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#endif
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#endif
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Instance::Instance()
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:rtio_thread(true),
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#ifdef ENABLE_SYSTEMD_DAEMON
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systemd_watchdog(event_loop),
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#endif
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idle_monitor(event_loop, BIND_THIS_METHOD(OnIdle))
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{
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}
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Instance::~Instance() noexcept
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{
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#ifdef ENABLE_DATABASE
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delete update;
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if (database != nullptr) {
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database->Close();
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database.reset();
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}
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delete storage;
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#endif
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}
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void
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Instance::OnStateModified() noexcept
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{
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if (state_file)
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state_file->CheckModified();
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}
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Partition *
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Instance::FindPartition(const char *name) noexcept
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{
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for (auto &partition : partitions)
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if (partition.name == name)
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return &partition;
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return nullptr;
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}
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void
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Instance::DeletePartition(Partition &partition) noexcept
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{
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// TODO: use boost::intrusive::list to avoid this loop
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for (auto i = partitions.begin();; ++i) {
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assert(i != partitions.end());
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if (&*i == &partition) {
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partitions.erase(i);
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break;
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}
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}
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}
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#ifdef ENABLE_DATABASE
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const Database &
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Instance::GetDatabaseOrThrow() const
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{
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if (database == nullptr)
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throw DatabaseError(DatabaseErrorCode::DISABLED,
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"No database");
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return *database;
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}
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void
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Instance::OnDatabaseModified() noexcept
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{
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assert(database != nullptr);
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/* propagate the change to all subsystems */
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stats_invalidate();
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for (auto &partition : partitions)
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partition.DatabaseModified(*database);
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}
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void
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Instance::OnDatabaseSongRemoved(const char *uri) noexcept
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{
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assert(database != nullptr);
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#ifdef ENABLE_SQLITE
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/* if the song has a sticker, remove it */
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if (HasStickerDatabase()) {
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try {
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sticker_song_delete(*sticker_database, uri);
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} catch (...) {
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}
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}
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#endif
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for (auto &partition : partitions)
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partition.StaleSong(uri);
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}
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#endif
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#ifdef ENABLE_NEIGHBOR_PLUGINS
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void
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Instance::FoundNeighbor([[maybe_unused]] const NeighborInfo &info) noexcept
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{
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EmitIdle(IDLE_NEIGHBOR);
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}
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void
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Instance::LostNeighbor([[maybe_unused]] const NeighborInfo &info) noexcept
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{
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EmitIdle(IDLE_NEIGHBOR);
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}
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#endif
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#ifdef ENABLE_CURL
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void
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Instance::LookupRemoteTag(const char *uri) noexcept
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{
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if (!uri_has_scheme(uri))
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return;
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if (!remote_tag_cache)
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remote_tag_cache = std::make_unique<RemoteTagCache>(event_loop,
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*this);
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remote_tag_cache->Lookup(uri);
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}
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void
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Instance::OnRemoteTag(const char *uri, const Tag &tag) noexcept
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{
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if (!tag.IsDefined())
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/* boring */
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return;
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for (auto &partition : partitions)
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partition.TagModified(uri, tag);
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}
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#endif
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void
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Instance::OnIdle(unsigned flags) noexcept
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{
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/* broadcast to all partitions */
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for (auto &partition : partitions)
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partition.EmitIdle(flags);
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}
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void
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Instance::FlushCaches() noexcept
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{
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if (input_cache)
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input_cache->Flush();
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}
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