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/*
* Copyright 2003-2020 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 "Instance.hxx"
#include "Partition.hxx"
#include "IdleFlags.hxx"
#include "StateFile.hxx"
#include "Stats.hxx"
#include "client/List.hxx"
#include "input/cache/Manager.hxx"
#ifdef ENABLE_CURL
#include "RemoteTagCache.hxx"
#include "util/UriExtract.hxx"
#endif
#ifdef ENABLE_DATABASE
#include "db/DatabaseError.hxx"
#include "db/Interface.hxx"
#include "db/update/Service.hxx"
#include "storage/StorageInterface.hxx"
#ifdef ENABLE_NEIGHBOR_PLUGINS
#include "neighbor/Glue.hxx"
#endif
#ifdef ENABLE_SQLITE
#include "sticker/Database.hxx"
#include "sticker/SongSticker.hxx"
#endif
#endif
Instance::Instance()
:rtio_thread(true),
#ifdef ENABLE_SYSTEMD_DAEMON
systemd_watchdog(event_loop),
#endif
idle_monitor(event_loop, BIND_THIS_METHOD(OnIdle))
{
}
Instance::~Instance() noexcept
{
#ifdef ENABLE_DATABASE
delete update;
if (database != nullptr) {
database->Close();
database.reset();
}
delete storage;
#endif
}
void
Instance::OnStateModified() noexcept
{
if (state_file)
state_file->CheckModified();
}
Partition *
Instance::FindPartition(const char *name) noexcept
{
for (auto &partition : partitions)
if (partition.name == name)
return &partition;
return nullptr;
}
void
Instance::DeletePartition(Partition &partition) noexcept
{
// TODO: use boost::intrusive::list to avoid this loop
for (auto i = partitions.begin();; ++i) {
assert(i != partitions.end());
if (&*i == &partition) {
partitions.erase(i);
break;
}
}
}
#ifdef ENABLE_DATABASE
const Database &
Instance::GetDatabaseOrThrow() const
{
if (database == nullptr)
throw DatabaseError(DatabaseErrorCode::DISABLED,
"No database");
return *database;
}
void
Instance::OnDatabaseModified() noexcept
{
assert(database != nullptr);
/* propagate the change to all subsystems */
stats_invalidate();
for (auto &partition : partitions)
partition.DatabaseModified(*database);
}
void
Instance::OnDatabaseSongRemoved(const char *uri) noexcept
{
assert(database != nullptr);
#ifdef ENABLE_SQLITE
/* if the song has a sticker, remove it */
if (HasStickerDatabase()) {
try {
sticker_song_delete(*sticker_database, uri);
} catch (...) {
}
}
#endif
for (auto &partition : partitions)
partition.StaleSong(uri);
}
#endif
#ifdef ENABLE_NEIGHBOR_PLUGINS
void
Instance::FoundNeighbor([[maybe_unused]] const NeighborInfo &info) noexcept
{
EmitIdle(IDLE_NEIGHBOR);
}
void
Instance::LostNeighbor([[maybe_unused]] const NeighborInfo &info) noexcept
{
EmitIdle(IDLE_NEIGHBOR);
}
#endif
#ifdef ENABLE_CURL
void
Instance::LookupRemoteTag(const char *uri) noexcept
{
if (!uri_has_scheme(uri))
return;
if (!remote_tag_cache)
remote_tag_cache = std::make_unique<RemoteTagCache>(event_loop,
*this);
remote_tag_cache->Lookup(uri);
}
void
Instance::OnRemoteTag(const char *uri, const Tag &tag) noexcept
{
if (!tag.IsDefined())
/* boring */
return;
for (auto &partition : partitions)
partition.TagModified(uri, tag);
}
#endif
void
Instance::OnIdle(unsigned flags) noexcept
{
/* broadcast to all partitions */
for (auto &partition : partitions)
partition.EmitIdle(flags);
}
void
Instance::FlushCaches() noexcept
{
if (input_cache)
input_cache->Flush();
}
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