#include "gnunet_datastore_plugin.h"
#include <sqlite3.h>
-#define DEBUG_SQLITE GNUNET_YES
+#define DEBUG_SQLITE GNUNET_NO
/**
*/
sqlite3 *dbh;
+ /**
+ * Precompiled SQL for deletion.
+ */
+ sqlite3_stmt *delRow;
+
/**
* Precompiled SQL for update.
*/
sqlite3_stmt ** ppStmt)
{
char *dummy;
- return sqlite3_prepare_v2 (dbh,
- zSql,
- strlen (zSql), ppStmt, (const char **) &dummy);
+ int result;
+ result = sqlite3_prepare_v2 (dbh,
+ zSql,
+ strlen (zSql), ppStmt, (const char **) &dummy);
+#if DEBUG_SQLITE
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite",
+ "Prepared %p: %d\n", *ppStmt, result);
+#endif
+ return result;
}
"INSERT INTO gn080 (size, type, prio, "
"anonLevel, expire, hash, vhash, value) VALUES "
"(?, ?, ?, ?, ?, ?, ?, ?)",
- &plugin->insertContent) != SQLITE_OK))
+ &plugin->insertContent) != SQLITE_OK) ||
+ (sq_prepare (plugin->dbh,
+ "DELETE FROM gn080 WHERE _ROWID_ = ?",
+ &plugin->delRow) != SQLITE_OK))
{
LOG_SQLITE (plugin, NULL,
GNUNET_ERROR_TYPE_ERROR, "precompiling");
return GNUNET_SYSERR;
}
+
return GNUNET_OK;
}
static void
database_shutdown (struct Plugin *plugin)
{
+ int result;
+ if (plugin->delRow != NULL)
+ sqlite3_finalize (plugin->delRow);
if (plugin->updPrio != NULL)
sqlite3_finalize (plugin->updPrio);
if (plugin->insertContent != NULL)
sqlite3_finalize (plugin->insertContent);
- sqlite3_close (plugin->dbh);
+ result = sqlite3_close(plugin->dbh);
+ while (result == SQLITE_BUSY)
+ {
+ sqlite3_stmt *stmt;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING,
+ "sqlite",
+ _("Tried to close sqlite without finalizing all prepared statements.\n"));
+ for (stmt = sqlite3_next_stmt(plugin->dbh, NULL); stmt != NULL; stmt = sqlite3_next_stmt(plugin->dbh, NULL))
+ {
+#if DEBUG_SQLITE
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite", "Closing statement %p\n", stmt);
+#endif
+ result = sqlite3_finalize(stmt);
+#if DEBUG_SQLITE
+ if (result != SQLITE_OK)
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite",
+ "Failed to close statement %p: %d\n", stmt, result);
+#endif
+ }
+ result = sqlite3_close(plugin->dbh);
+ }
GNUNET_free_non_null (plugin->fn);
}
delete_by_rowid (struct Plugin* plugin,
unsigned long long rid)
{
- sqlite3_stmt *stmt;
- if (sq_prepare (plugin->dbh,
- "DELETE FROM gn080 WHERE _ROWID_ = ?", &stmt) != SQLITE_OK)
+ sqlite3_bind_int64 (plugin->delRow, 1, rid);
+ if (SQLITE_DONE != sqlite3_step (plugin->delRow))
{
LOG_SQLITE (plugin, NULL,
GNUNET_ERROR_TYPE_ERROR |
- GNUNET_ERROR_TYPE_BULK, "sq_prepare");
+ GNUNET_ERROR_TYPE_BULK, "sqlite3_step");
+ if (SQLITE_OK != sqlite3_reset (plugin->delRow))
+ LOG_SQLITE (plugin, NULL,
+ GNUNET_ERROR_TYPE_ERROR |
+ GNUNET_ERROR_TYPE_BULK, "sqlite3_reset");
return GNUNET_SYSERR;
}
- sqlite3_bind_int64 (stmt, 1, rid);
- if (SQLITE_DONE != sqlite3_step (stmt))
- {
+ if (SQLITE_OK != sqlite3_reset (plugin->delRow))
LOG_SQLITE (plugin, NULL,
GNUNET_ERROR_TYPE_ERROR |
- GNUNET_ERROR_TYPE_BULK, "sqlite3_step");
- sqlite3_finalize (stmt);
- return GNUNET_SYSERR;
- }
- sqlite3_finalize (stmt);
+ GNUNET_ERROR_TYPE_BULK, "sqlite3_reset");
return GNUNET_OK;
}
* Call sqlite using the already prepared query to get
* the next result.
*
- * @param cls not used
+ * @param cls context with the prepared query
* @param nc context with the prepared query
* @return GNUNET_OK on success, GNUNET_SYSERR on error, GNUNET_NO if
* there are no more results
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Asked to clean up iterator state.\n");
#endif
+ nc = (struct NextContext *)cls;
+ if (nc->stmt)
+ sqlite3_finalize (nc->stmt);
+ nc->stmt = NULL;
return GNUNET_SYSERR;
}
plugin = nc->plugin;
nc->iter_cls = iter_cls;
nc->stmt = stmt;
nc->prep = &all_next_prepare;
- nc->prep_cls = NULL;
+ nc->prep_cls = nc;
sqlite_next_request (nc, GNUNET_NO);
}
struct GNUNET_DATASTORE_PluginFunctions *api = cls;
struct Plugin *plugin = api->cls;
+#if DEBUG_SQLITE
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite",
+ "sqlite plugin is doneing\n");
+#endif
+
if (plugin->next_task != GNUNET_SCHEDULER_NO_TASK)
{
+#if DEBUG_SQLITE
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite",
+ "Canceling next task\n");
+#endif
GNUNET_SCHEDULER_cancel (plugin->next_task);
plugin->next_task = GNUNET_SCHEDULER_NO_TASK;
+#if DEBUG_SQLITE
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite",
+ "Prep'ing next task\n");
+#endif
plugin->next_task_nc->prep (plugin->next_task_nc->prep_cls, NULL);
GNUNET_free (plugin->next_task_nc);
plugin->next_task_nc = NULL;
fn = NULL;
if (plugin->drop_on_shutdown)
fn = GNUNET_strdup (plugin->fn);
+#if DEBUG_SQLITE
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite",
+ "Shutting down database\n");
+#endif
database_shutdown (plugin);
plugin->env = NULL;
GNUNET_free (api);
fn);
GNUNET_free (fn);
}
+#if DEBUG_SQLITE
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "sqlite",
+ "sqlite plugin is finished doneing\n");
+#endif
return NULL;
}