#define GNUNET_MYSQL_LIB_H
#include "gnunet_util_lib.h"
-#include "gnunet_bandwidth_lib.h"
-#include "gnunet_statistics_service.h"
#include <mysql/mysql.h>
#ifdef __cplusplus
/**
* Destroy a mysql context. Also frees all associated prepared statements.
- *
+ *
* @param mc context to destroy
*/
void
GNUNET_MYSQL_context_destroy (struct GNUNET_MYSQL_Context *mc);
+/**
+ * Close database connection and all prepared statements (we got a DB
+ * error). The connection will automatically be re-opened and
+ * statements will be re-prepared if they are needed again later.
+ *
+ * @param mc mysql context
+ */
+void
+GNUNET_MYSQL_statements_invalidate (struct GNUNET_MYSQL_Context *mc);
+
+
+/**
+ * Get internal handle for a prepared statement. This function should rarely
+ * be used, and if, with caution! On failures during the interaction with
+ * the handle, you must call 'GNUNET_MYSQL_statements_invalidate'!
+ *
+ * @param mc mysql context
+ * @param sh prepared statement to introspect
+ * @return MySQL statement handle, NULL on error
+ */
+MYSQL_STMT *
+GNUNET_MYSQL_statement_get_stmt (struct GNUNET_MYSQL_Context *mc,
+ struct GNUNET_MYSQL_StatementHandle *sh);
+
+
/**
* Prepare a statement. Prepared statements are automatically discarded
* when the MySQL context is destroyed.
void *processor_cls, ...);
+/**
+ * Run a prepared SELECT statement.
+ *
+ * @param mc mysql context
+ * @param s statement to run
+ * @param result_size number of elements in results array
+ * @param results pointer to already initialized MYSQL_BIND
+ * array (of sufficient size) for passing results
+ * @param processor function to call on each result
+ * @param processor_cls extra argument to processor
+ * @param ap pairs and triplets of "MYSQL_TYPE_XXX" keys and their respective
+ * values (size + buffer-reference for pointers); terminated
+ * with "-1"
+ * @return GNUNET_SYSERR on error, otherwise
+ * the number of successfully affected (or queried) rows
+ */
+int
+GNUNET_MYSQL_statement_run_prepared_select_va (struct GNUNET_MYSQL_Context *mc,
+ struct GNUNET_MYSQL_StatementHandle *s,
+ unsigned int result_size,
+ MYSQL_BIND * results,
+ GNUNET_MYSQL_DataProcessor processor,
+ void *processor_cls,
+ va_list ap);
+
+
/**
* Run a prepared statement that does NOT produce results.
*