aboutsummaryrefslogtreecommitdiffstats
path: root/src/DatabaseGlue.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'src/DatabaseGlue.cxx')
-rw-r--r--src/DatabaseGlue.cxx168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/DatabaseGlue.cxx b/src/DatabaseGlue.cxx
new file mode 100644
index 000000000..283ef9943
--- /dev/null
+++ b/src/DatabaseGlue.cxx
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2003-2011 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 "DatabaseGlue.hxx"
+#include "DatabaseSimple.hxx"
+#include "DatabaseRegistry.hxx"
+#include "DatabaseSave.hxx"
+#include "Directory.hxx"
+
+extern "C" {
+#include "db_error.h"
+#include "stats.h"
+#include "conf.h"
+#include "glib_compat.h"
+}
+
+#include "DatabasePlugin.hxx"
+#include "db/SimpleDatabasePlugin.hxx"
+
+#include <glib.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "database"
+
+static Database *db;
+static bool db_is_open;
+static bool is_simple;
+
+bool
+DatabaseGlobalInit(const config_param *param, GError **error_r)
+{
+ assert(db == NULL);
+ assert(!db_is_open);
+
+ const char *plugin_name =
+ config_get_block_string(param, "plugin", "simple");
+ is_simple = strcmp(plugin_name, "simple") == 0;
+
+ const DatabasePlugin *plugin = GetDatabasePluginByName(plugin_name);
+ if (plugin == NULL) {
+ g_set_error(error_r, db_quark(), 0,
+ "No such database plugin: %s", plugin_name);
+ return false;
+ }
+
+ db = plugin->create(param, error_r);
+ return db != NULL;
+}
+
+void
+DatabaseGlobalDeinit(void)
+{
+ if (db_is_open)
+ db->Close();
+
+ if (db != NULL)
+ delete db;
+}
+
+const Database *
+GetDatabase()
+{
+ assert(db == NULL || db_is_open);
+
+ return db;
+}
+
+const Database *
+GetDatabase(GError **error_r)
+{
+ assert(db == nullptr || db_is_open);
+
+ if (db == nullptr)
+ g_set_error_literal(error_r, db_quark(), DB_DISABLED,
+ "No database");
+
+ return db;
+}
+
+bool
+db_is_simple(void)
+{
+ assert(db == NULL || db_is_open);
+
+ return is_simple;
+}
+
+Directory *
+db_get_root(void)
+{
+ assert(db != NULL);
+ assert(db_is_simple());
+
+ return ((SimpleDatabase *)db)->GetRoot();
+}
+
+Directory *
+db_get_directory(const char *name)
+{
+ if (db == NULL)
+ return NULL;
+
+ Directory *music_root = db_get_root();
+ if (name == NULL)
+ return music_root;
+
+ return music_root->LookupDirectory(name);
+}
+
+bool
+db_save(GError **error_r)
+{
+ assert(db != NULL);
+ assert(db_is_open);
+ assert(db_is_simple());
+
+ return ((SimpleDatabase *)db)->Save(error_r);
+}
+
+bool
+DatabaseGlobalOpen(GError **error)
+{
+ assert(db != NULL);
+ assert(!db_is_open);
+
+ if (!db->Open(error))
+ return false;
+
+ db_is_open = true;
+
+ stats_update();
+
+ return true;
+}
+
+time_t
+db_get_mtime(void)
+{
+ assert(db != NULL);
+ assert(db_is_open);
+ assert(db_is_simple());
+
+ return ((SimpleDatabase *)db)->GetLastModified();
+}