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authorMax Kellermann <max@duempel.org>2014-01-24 00:24:43 +0100
committerMax Kellermann <max@duempel.org>2014-01-24 00:24:43 +0100
commit08296cd66d0ef4729767d97420fab96278a9af17 (patch)
tree16d4bfe7d04899ae9cbe3de82c486772effb5dd8 /src/UpdateGlue.cxx
parent197b503f3ecbf68191b37a7c5fb9c25e975059ce (diff)
downloadmpd-08296cd66d0ef4729767d97420fab96278a9af17.tar.gz
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Update*: move to update/
Diffstat (limited to 'src/UpdateGlue.cxx')
-rw-r--r--src/UpdateGlue.cxx181
1 files changed, 0 insertions, 181 deletions
diff --git a/src/UpdateGlue.cxx b/src/UpdateGlue.cxx
deleted file mode 100644
index 29e5f3ca7..000000000
--- a/src/UpdateGlue.cxx
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * Copyright (C) 2003-2014 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 "UpdateGlue.hxx"
-#include "UpdateQueue.hxx"
-#include "UpdateWalk.hxx"
-#include "UpdateRemove.hxx"
-#include "UpdateDomain.hxx"
-#include "Mapper.hxx"
-#include "DatabaseSimple.hxx"
-#include "Idle.hxx"
-#include "GlobalEvents.hxx"
-#include "util/Error.hxx"
-#include "Log.hxx"
-#include "Main.hxx"
-#include "Instance.hxx"
-#include "system/FatalError.hxx"
-#include "thread/Id.hxx"
-#include "thread/Thread.hxx"
-#include "thread/Util.hxx"
-
-#include <assert.h>
-
-static enum update_progress {
- UPDATE_PROGRESS_IDLE = 0,
- UPDATE_PROGRESS_RUNNING = 1,
- UPDATE_PROGRESS_DONE = 2
-} progress;
-
-static bool modified;
-
-static Thread update_thread;
-
-static const unsigned update_task_id_max = 1 << 15;
-
-static unsigned update_task_id;
-
-static UpdateQueueItem next;
-
-unsigned
-isUpdatingDB(void)
-{
- return next.id;
-}
-
-static void
-update_task(gcc_unused void *ctx)
-{
- if (!next.path_utf8.empty())
- FormatDebug(update_domain, "starting: %s",
- next.path_utf8.c_str());
- else
- LogDebug(update_domain, "starting");
-
- SetThreadIdlePriority();
-
- modified = update_walk(next.path_utf8.c_str(), next.discard);
-
- if (modified || !db_exists()) {
- Error error;
- if (!db_save(error))
- LogError(error, "Failed to save database");
- }
-
- if (!next.path_utf8.empty())
- FormatDebug(update_domain, "finished: %s",
- next.path_utf8.c_str());
- else
- LogDebug(update_domain, "finished");
-
- progress = UPDATE_PROGRESS_DONE;
- GlobalEvents::Emit(GlobalEvents::UPDATE);
-}
-
-static void
-spawn_update_task(UpdateQueueItem &&i)
-{
- assert(main_thread.IsInside());
-
- progress = UPDATE_PROGRESS_RUNNING;
- modified = false;
-
- next = std::move(i);
-
- Error error;
- if (!update_thread.Start(update_task, nullptr, error))
- FatalError(error);
-
- FormatDebug(update_domain,
- "spawned thread for update job id %i", next.id);
-}
-
-static unsigned
-generate_update_id()
-{
- unsigned id = update_task_id + 1;
- if (id > update_task_id_max)
- id = 1;
- return id;
-}
-
-unsigned
-update_enqueue(const char *path, bool discard)
-{
- assert(main_thread.IsInside());
-
- if (!db_is_simple() || !mapper_has_music_directory())
- return 0;
-
- if (progress != UPDATE_PROGRESS_IDLE) {
- const unsigned id = generate_update_id();
- if (!update_queue_push(path, discard, id))
- return 0;
-
- update_task_id = id;
- return id;
- }
-
- const unsigned id = update_task_id = generate_update_id();
- spawn_update_task(UpdateQueueItem(path, discard, id));
-
- idle_add(IDLE_UPDATE);
-
- return id;
-}
-
-/**
- * Called in the main thread after the database update is finished.
- */
-static void update_finished_event(void)
-{
- assert(progress == UPDATE_PROGRESS_DONE);
- assert(next.IsDefined());
-
- update_thread.Join();
- next = UpdateQueueItem();
-
- idle_add(IDLE_UPDATE);
-
- if (modified)
- /* send "idle" events */
- instance->DatabaseModified();
-
- auto i = update_queue_shift();
- if (i.IsDefined()) {
- /* schedule the next path */
- spawn_update_task(std::move(i));
- } else {
- progress = UPDATE_PROGRESS_IDLE;
- }
-}
-
-void update_global_init(void)
-{
- GlobalEvents::Register(GlobalEvents::UPDATE, update_finished_event);
-
- update_remove_global_init();
- update_walk_global_init();
-}
-
-void update_global_finish(void)
-{
- update_walk_global_finish();
-}