--- parser3/src/include/pa_sql_connection.h	2001/05/17 13:23:28	1.9
+++ parser3/src/include/pa_sql_connection.h	2001/11/05 11:46:25	1.19
@@ -2,10 +2,9 @@
 	Parser: sql fconnection decl.
 
 	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
+	Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
 
-	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
-
-	$Id: pa_sql_connection.h,v 1.9 2001/05/17 13:23:28 parser Exp $
+	$Id: pa_sql_connection.h,v 1.19 2001/11/05 11:46:25 paf Exp $
 */
 
 #ifndef PA_SQL_CONNECTION_H
@@ -16,42 +15,82 @@
 #include "pa_sql_driver.h"
 #include "pa_sql_driver_manager.h"
 
-/// SQL fconnection. handy wrapper around low level SQL_Driver
+// defines
+
+/// @see SQL_Driver_services_impl::_throw
+#define SQL_CONNECTION_SERVICED_FUNC_GUARDED(actions) \
+	if(!fservices || !setjmp(fservices->mark)) { \
+		actions; \
+	} else \
+		fservices->propagate_exception();
+
+/// SQL connection. handy wrapper around low level SQL_Driver
 class SQL_Connection : public Pooled {
 
 public:
 
 	SQL_Connection(Pool& pool, const String& aurl, SQL_Driver& adriver) : Pooled(pool),
 		furl(aurl),
-		fdriver(adriver) {
+		fdriver(adriver),
+		fconnection(0),
+		time_stamp(0) {
 	}
+	
+	const String& get_url() { return furl; }
+
 	void set_services(SQL_Driver_services *aservices) {
+		time_stamp=time(0); // they started to use at this time
 		fservices=aservices;
 	}
+	bool expired(time_t older_dies) {
+		return time_stamp<older_dies;
+	}
+	time_t get_time_stamp() { return time_stamp; }
 
 	void close() {
 		SQL_driver_manager->close_connection(furl, *this);
 	}
 
+	bool connected() { return fconnection!=0; }
 	void connect(char *used_only_in_connect_url_cstr) { 
-		fdriver.connect(used_only_in_connect_url_cstr, *fservices, &fconnection);
+		SQL_CONNECTION_SERVICED_FUNC_GUARDED(
+			fdriver.connect(used_only_in_connect_url_cstr, *fservices, &fconnection)
+		);
+	}
+	void disconnect() { 
+		fdriver.disconnect(fconnection); fconnection=0; 
+	}
+	void commit() { 
+		SQL_CONNECTION_SERVICED_FUNC_GUARDED(
+			fdriver.commit(*fservices, fconnection) 
+		);
+	}
+	void rollback() { 
+		SQL_CONNECTION_SERVICED_FUNC_GUARDED(
+			fdriver.rollback(*fservices, fconnection)
+		);
+	}
+	bool ping() { 
+		SQL_CONNECTION_SERVICED_FUNC_GUARDED(
+			return fdriver.ping(*fservices, fconnection)
+		);
+		return 0; // never reached
 	}
-	void disconnect() { fdriver.disconnect(*fservices, fconnection); }
-	void commit() { fdriver.commit(*fservices, fconnection); }
-	void rollback() { fdriver.rollback(*fservices, fconnection); }
-	bool ping() { return fdriver.ping(*fservices, fconnection); }
 	uint quote(char *to, const char *from, unsigned int length) {
-		return fdriver.quote(*fservices, fconnection, to, from, length);
+		SQL_CONNECTION_SERVICED_FUNC_GUARDED(
+			return fdriver.quote(*fservices, fconnection, to, from, length)
+		);
+		return 0; // never reached
 	}
 
 	void query(
 		const char *statement, unsigned long offset, unsigned long limit,
-		unsigned int *column_count, SQL_Driver::Cell **columns,
-		unsigned long *row_count, SQL_Driver::Cell ***rows) { 
-		fdriver.query(*fservices, fconnection, 
-			statement, offset, limit, 
-			column_count, columns,
-			row_count, rows);
+		SQL_Driver_query_event_handlers& handlers) { 
+		SQL_CONNECTION_SERVICED_FUNC_GUARDED(
+			fdriver.query(*fservices, fconnection, 
+				statement, offset, limit, 
+				handlers)
+		);
 	}
 
 
@@ -61,6 +100,7 @@ private:
 	SQL_Driver& fdriver;
 	SQL_Driver_services *fservices;
 	void *fconnection;
+	time_t time_stamp;
 };
 
 #endif