diff options
Diffstat (limited to '')
| -rw-r--r-- | src/sticker.c | 660 |
1 files changed, 0 insertions, 660 deletions
diff --git a/src/sticker.c b/src/sticker.c deleted file mode 100644 index 346a827a5..000000000 --- a/src/sticker.c +++ /dev/null @@ -1,660 +0,0 @@ -/* - * 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 "sticker.h" -#include "idle.h" - -#include <glib.h> -#include <sqlite3.h> -#include <assert.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "sticker" - -#if SQLITE_VERSION_NUMBER < 3003009 -#define sqlite3_prepare_v2 sqlite3_prepare -#endif - -struct sticker { - GHashTable *table; -}; - -enum sticker_sql { - STICKER_SQL_GET, - STICKER_SQL_LIST, - STICKER_SQL_UPDATE, - STICKER_SQL_INSERT, - STICKER_SQL_DELETE, - STICKER_SQL_DELETE_VALUE, - STICKER_SQL_FIND, -}; - -static const char *const sticker_sql[] = { - [STICKER_SQL_GET] = - "SELECT value FROM sticker WHERE type=? AND uri=? AND name=?", - [STICKER_SQL_LIST] = - "SELECT name,value FROM sticker WHERE type=? AND uri=?", - [STICKER_SQL_UPDATE] = - "UPDATE sticker SET value=? WHERE type=? AND uri=? AND name=?", - [STICKER_SQL_INSERT] = - "INSERT INTO sticker(type,uri,name,value) VALUES(?, ?, ?, ?)", - [STICKER_SQL_DELETE] = - "DELETE FROM sticker WHERE type=? AND uri=?", - [STICKER_SQL_DELETE_VALUE] = - "DELETE FROM sticker WHERE type=? AND uri=? AND name=?", - [STICKER_SQL_FIND] = - "SELECT uri,value FROM sticker WHERE type=? AND uri LIKE (? || '%') AND name=?", -}; - -static const char sticker_sql_create[] = - "CREATE TABLE IF NOT EXISTS sticker(" - " type VARCHAR NOT NULL, " - " uri VARCHAR NOT NULL, " - " name VARCHAR NOT NULL, " - " value VARCHAR NOT NULL" - ");" - "CREATE UNIQUE INDEX IF NOT EXISTS" - " sticker_value ON sticker(type, uri, name);" - ""; - -static sqlite3 *sticker_db; -static sqlite3_stmt *sticker_stmt[G_N_ELEMENTS(sticker_sql)]; - -static GQuark -sticker_quark(void) -{ - return g_quark_from_static_string("sticker"); -} - -static sqlite3_stmt * -sticker_prepare(const char *sql, GError **error_r) -{ - int ret; - sqlite3_stmt *stmt; - - ret = sqlite3_prepare_v2(sticker_db, sql, -1, &stmt, NULL); - if (ret != SQLITE_OK) { - g_set_error(error_r, sticker_quark(), ret, - "sqlite3_prepare_v2() failed: %s", - sqlite3_errmsg(sticker_db)); - return NULL; - } - - return stmt; -} - -bool -sticker_global_init(const char *path, GError **error_r) -{ - int ret; - - if (path == NULL) - /* not configured */ - return true; - - /* open/create the sqlite database */ - - ret = sqlite3_open(path, &sticker_db); - if (ret != SQLITE_OK) { - g_set_error(error_r, sticker_quark(), ret, - "Failed to open sqlite database '%s': %s", - path, sqlite3_errmsg(sticker_db)); - return false; - } - - /* create the table and index */ - - ret = sqlite3_exec(sticker_db, sticker_sql_create, NULL, NULL, NULL); - if (ret != SQLITE_OK) { - g_set_error(error_r, sticker_quark(), ret, - "Failed to create sticker table: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - /* prepare the statements we're going to use */ - - for (unsigned i = 0; i < G_N_ELEMENTS(sticker_sql); ++i) { - assert(sticker_sql[i] != NULL); - - sticker_stmt[i] = sticker_prepare(sticker_sql[i], error_r); - if (sticker_stmt[i] == NULL) - return false; - } - - return true; -} - -void -sticker_global_finish(void) -{ - if (sticker_db == NULL) - /* not configured */ - return; - - for (unsigned i = 0; i < G_N_ELEMENTS(sticker_stmt); ++i) { - assert(sticker_stmt[i] != NULL); - - sqlite3_finalize(sticker_stmt[i]); - } - - sqlite3_close(sticker_db); -} - -bool -sticker_enabled(void) -{ - return sticker_db != NULL; -} - -char * -sticker_load_value(const char *type, const char *uri, const char *name) -{ - sqlite3_stmt *const stmt = sticker_stmt[STICKER_SQL_GET]; - int ret; - char *value; - - assert(sticker_enabled()); - assert(type != NULL); - assert(uri != NULL); - assert(name != NULL); - - if (*name == 0) - return NULL; - - sqlite3_reset(stmt); - - ret = sqlite3_bind_text(stmt, 1, type, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return NULL; - } - - ret = sqlite3_bind_text(stmt, 2, uri, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return NULL; - } - - ret = sqlite3_bind_text(stmt, 3, name, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return NULL; - } - - do { - ret = sqlite3_step(stmt); - } while (ret == SQLITE_BUSY); - - if (ret == SQLITE_ROW) { - /* record found */ - value = g_strdup((const char*)sqlite3_column_text(stmt, 0)); - } else if (ret == SQLITE_DONE) { - /* no record found */ - value = NULL; - } else { - /* error */ - g_warning("sqlite3_step() failed: %s", - sqlite3_errmsg(sticker_db)); - return NULL; - } - - sqlite3_reset(stmt); - sqlite3_clear_bindings(stmt); - - return value; -} - -static bool -sticker_list_values(GHashTable *hash, const char *type, const char *uri) -{ - sqlite3_stmt *const stmt = sticker_stmt[STICKER_SQL_LIST]; - int ret; - char *name, *value; - - assert(hash != NULL); - assert(type != NULL); - assert(uri != NULL); - assert(sticker_enabled()); - - sqlite3_reset(stmt); - - ret = sqlite3_bind_text(stmt, 1, type, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 2, uri, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - do { - ret = sqlite3_step(stmt); - switch (ret) { - case SQLITE_ROW: - name = g_strdup((const char*)sqlite3_column_text(stmt, 0)); - value = g_strdup((const char*)sqlite3_column_text(stmt, 1)); - g_hash_table_insert(hash, name, value); - break; - case SQLITE_DONE: - break; - case SQLITE_BUSY: - /* no op */ - break; - default: - g_warning("sqlite3_step() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - } while (ret != SQLITE_DONE); - - sqlite3_reset(stmt); - sqlite3_clear_bindings(stmt); - - return true; -} - -static bool -sticker_update_value(const char *type, const char *uri, - const char *name, const char *value) -{ - sqlite3_stmt *const stmt = sticker_stmt[STICKER_SQL_UPDATE]; - int ret; - - assert(type != NULL); - assert(uri != NULL); - assert(name != NULL); - assert(*name != 0); - assert(value != NULL); - - assert(sticker_enabled()); - - sqlite3_reset(stmt); - - ret = sqlite3_bind_text(stmt, 1, value, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 2, type, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 3, uri, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 4, name, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - do { - ret = sqlite3_step(stmt); - } while (ret == SQLITE_BUSY); - - if (ret != SQLITE_DONE) { - g_warning("sqlite3_step() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_changes(sticker_db); - - sqlite3_reset(stmt); - sqlite3_clear_bindings(stmt); - - idle_add(IDLE_STICKER); - return ret > 0; -} - -static bool -sticker_insert_value(const char *type, const char *uri, - const char *name, const char *value) -{ - sqlite3_stmt *const stmt = sticker_stmt[STICKER_SQL_INSERT]; - int ret; - - assert(type != NULL); - assert(uri != NULL); - assert(name != NULL); - assert(*name != 0); - assert(value != NULL); - - assert(sticker_enabled()); - - sqlite3_reset(stmt); - - ret = sqlite3_bind_text(stmt, 1, type, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 2, uri, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 3, name, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 4, value, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - do { - ret = sqlite3_step(stmt); - } while (ret == SQLITE_BUSY); - - if (ret != SQLITE_DONE) { - g_warning("sqlite3_step() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - sqlite3_reset(stmt); - sqlite3_clear_bindings(stmt); - - - idle_add(IDLE_STICKER); - return true; -} - -bool -sticker_store_value(const char *type, const char *uri, - const char *name, const char *value) -{ - assert(sticker_enabled()); - assert(type != NULL); - assert(uri != NULL); - assert(name != NULL); - assert(value != NULL); - - if (*name == 0) - return false; - - return sticker_update_value(type, uri, name, value) || - sticker_insert_value(type, uri, name, value); -} - -bool -sticker_delete(const char *type, const char *uri) -{ - sqlite3_stmt *const stmt = sticker_stmt[STICKER_SQL_DELETE]; - int ret; - - assert(sticker_enabled()); - assert(type != NULL); - assert(uri != NULL); - - sqlite3_reset(stmt); - - ret = sqlite3_bind_text(stmt, 1, type, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 2, uri, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - do { - ret = sqlite3_step(stmt); - } while (ret == SQLITE_BUSY); - - if (ret != SQLITE_DONE) { - g_warning("sqlite3_step() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - sqlite3_reset(stmt); - sqlite3_clear_bindings(stmt); - - idle_add(IDLE_STICKER); - return true; -} - -bool -sticker_delete_value(const char *type, const char *uri, const char *name) -{ - sqlite3_stmt *const stmt = sticker_stmt[STICKER_SQL_DELETE_VALUE]; - int ret; - - assert(sticker_enabled()); - assert(type != NULL); - assert(uri != NULL); - - sqlite3_reset(stmt); - - ret = sqlite3_bind_text(stmt, 1, type, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 2, uri, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 3, name, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - do { - ret = sqlite3_step(stmt); - } while (ret == SQLITE_BUSY); - - if (ret != SQLITE_DONE) { - g_warning("sqlite3_step() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_changes(sticker_db); - - sqlite3_reset(stmt); - sqlite3_clear_bindings(stmt); - - idle_add(IDLE_STICKER); - return ret > 0; -} - -static struct sticker * -sticker_new(void) -{ - struct sticker *sticker = g_new(struct sticker, 1); - - sticker->table = g_hash_table_new_full(g_str_hash, g_str_equal, - g_free, g_free); - return sticker; -} - -void -sticker_free(struct sticker *sticker) -{ - assert(sticker != NULL); - assert(sticker->table != NULL); - - g_hash_table_destroy(sticker->table); - g_free(sticker); -} - -const char * -sticker_get_value(const struct sticker *sticker, const char *name) -{ - return g_hash_table_lookup(sticker->table, name); -} - -struct sticker_foreach_data { - void (*func)(const char *name, const char *value, - gpointer user_data); - gpointer user_data; -}; - -static void -sticker_foreach_func(gpointer key, gpointer value, gpointer user_data) -{ - struct sticker_foreach_data *data = user_data; - - data->func(key, value, data->user_data); -} - -void -sticker_foreach(const struct sticker *sticker, - void (*func)(const char *name, const char *value, - gpointer user_data), - gpointer user_data) -{ - struct sticker_foreach_data data = { - .func = func, - .user_data = user_data, - }; - - g_hash_table_foreach(sticker->table, sticker_foreach_func, &data); -} - -struct sticker * -sticker_load(const char *type, const char *uri) -{ - struct sticker *sticker = sticker_new(); - bool success; - - success = sticker_list_values(sticker->table, type, uri); - if (!success) { - sticker_free(sticker); - return NULL; - } - - if (g_hash_table_size(sticker->table) == 0) { - /* don't return empty sticker objects */ - sticker_free(sticker); - return NULL; - } - - return sticker; -} - -bool -sticker_find(const char *type, const char *base_uri, const char *name, - void (*func)(const char *uri, const char *value, - gpointer user_data), - gpointer user_data) -{ - sqlite3_stmt *const stmt = sticker_stmt[STICKER_SQL_FIND]; - int ret; - - assert(type != NULL); - assert(name != NULL); - assert(func != NULL); - assert(sticker_enabled()); - - sqlite3_reset(stmt); - - ret = sqlite3_bind_text(stmt, 1, type, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - if (base_uri == NULL) - base_uri = ""; - - ret = sqlite3_bind_text(stmt, 2, base_uri, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - ret = sqlite3_bind_text(stmt, 3, name, -1, NULL); - if (ret != SQLITE_OK) { - g_warning("sqlite3_bind_text() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - - do { - ret = sqlite3_step(stmt); - switch (ret) { - case SQLITE_ROW: - func((const char*)sqlite3_column_text(stmt, 0), - (const char*)sqlite3_column_text(stmt, 1), - user_data); - break; - case SQLITE_DONE: - break; - case SQLITE_BUSY: - /* no op */ - break; - default: - g_warning("sqlite3_step() failed: %s", - sqlite3_errmsg(sticker_db)); - return false; - } - } while (ret != SQLITE_DONE); - - sqlite3_reset(stmt); - sqlite3_clear_bindings(stmt); - - return true; -} |