--- parser3/src/include/pa_sql_driver_manager.h 2001/04/04 11:47:28 1.2 +++ parser3/src/include/pa_sql_driver_manager.h 2001/09/26 10:32:25 1.12 @@ -1,27 +1,32 @@ /** @file Parser: sql driver manager decl. + global sql driver manager, must be thread-safe Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) - $Id: pa_sql_driver_manager.h,v 1.2 2001/04/04 11:47:28 paf Exp $ - - - global sql driver manager, must be thread-safe + $Id: pa_sql_driver_manager.h,v 1.12 2001/09/26 10:32:25 parser Exp $ */ #ifndef PA_SQL_DRIVER_MANAGER_H #define PA_SQL_DRIVER_MANAGER_H +#include "pa_config_includes.h" #include "pa_pool.h" #include "pa_sql_driver.h" #include "pa_hash.h" #include "pa_stack.h" -#include "pa_threads.h" #include "pa_table.h" #include "pa_string.h" + +// defines + +#define MAIN_SQL_NAME "SQL" +#define MAIN_SQL_DRIVERS_NAME "drivers" + +// forwards + class SQL_Connection; /// sql driver manager @@ -31,7 +36,8 @@ public: SQL_Driver_manager(Pool& pool) : Pooled(pool), driver_cache(pool), - connection_cache(pool) { + connection_cache(pool), + prev_expiration_pass_time(0) { } /** @@ -39,7 +45,8 @@ public: using driver dynamic library found in table, if not loaded yet checks driver version */ - SQL_Connection& get_connection(const String& url, Table *protocol2library); + SQL_Connection& get_connection(const String& url, const String& request_origin, + Table *protocol2driver_and_client); private: // driver cache @@ -50,6 +57,9 @@ private: // connection cache SQL_Connection *get_connection_from_cache(const String& url); void put_connection_to_cache(const String& url, SQL_Connection& connection); + void maybe_expire_connection_cache(); +private: + time_t prev_expiration_pass_time; private: // for SQL_Connection