parser3/src/main/pa_sql_driver_manager.C - diff

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Diff for /parser3/src/main/pa_sql_driver_manager.C between versions 1.22 and 1.32

version 1.22, 2001/06/28 07:44:17	version 1.32, 2001/09/05 09:22:45
Line 16 static const char *RCSId="$Id$";	Line 16 static const char *RCSId="$Id$";

#include "pa_sapi.h"	#include "pa_sapi.h"

	// helper macros

	#define STRINGIZE(name) #name

// globals	// globals

SQL_Driver_manager *SQL_driver_manager;	SQL_Driver_manager *SQL_driver_manager;

// consts	// consts

const char *LIBRARY_CREATE_FUNC_NAME="create";
const int EXPIRE_UNUSED_CONNECTION_SECONDS=60;	const int EXPIRE_UNUSED_CONNECTION_SECONDS=60;
const int CHECK_EXPIRED_CONNECTIONS_SECONDS=60*2;	const int CHECK_EXPIRED_CONNECTIONS_SECONDS=EXPIRE_UNUSED_CONNECTION_SECONDS*2;


/// SQL_Driver_services Pooled implementation	/// SQL_Driver_services Pooled implementation
Line 60 SQL_Connection& SQL_Driver_manager::get_	Line 63 SQL_Connection& SQL_Driver_manager::get_
if(!protocol2driver_and_client)	if(!protocol2driver_and_client)
PTHROW(0, 0,	PTHROW(0, 0,
&request_url,	&request_url,
"$SQL:drivers table must be defined");	"$"MAIN_SQL_NAME":"MAIN_SQL_DRIVERS_NAME" table must be defined");

// first trying to get cached connection	// first trying to get cached connection
SQL_Connection *result=get_connection_from_cache(request_url);	SQL_Connection *result=get_connection_from_cache(request_url);
Line 109 SQL_Connection& SQL_Driver_manager::get_	Line 112 SQL_Connection& SQL_Driver_manager::get_
protocol2driver_and_client->origin_string(),	protocol2driver_and_client->origin_string(),
"driver library column for protocol '%s' is empty",	"driver library column for protocol '%s' is empty",
request_protocol_cstr);	request_protocol_cstr);
if(!(dlopen_file_spec=protocol2driver_and_client->item(2)) \|\| dlopen_file_spec->size()==0)	dlopen_file_spec=protocol2driver_and_client->item(2);
PTHROW(0, 0,
protocol2driver_and_client->origin_string(),
"client library column for protocol '%s' is empty",
request_protocol_cstr);
} else	} else
PTHROW(0, 0,	PTHROW(0, 0,
&request_url,	&request_url,
"undefined protocol '%s'",	"undefined protocol '%s'",
request_protocol_cstr);	request_protocol_cstr);

	if(lt_dlinit())
	PTHROW(0, 0,
	library,
	"prepare to dynamic loading failed, %s", lt_dlerror());

const char *filename=library->cstr(String::UL_FILE_NAME);	const char *filename=library->cstr(String::UL_FILE_NAME);
lt_dlhandle handle=lt_dlopen(filename);	lt_dlhandle handle=lt_dlopen(filename);
if (!handle)	if (!handle)
Line 128 SQL_Connection& SQL_Driver_manager::get_	Line 132 SQL_Connection& SQL_Driver_manager::get_
"can not open the module, %s", lt_dlerror());	"can not open the module, %s", lt_dlerror());

SQL_Driver_create_func create=(SQL_Driver_create_func)lt_dlsym(handle,	SQL_Driver_create_func create=(SQL_Driver_create_func)lt_dlsym(handle,
LIBRARY_CREATE_FUNC_NAME);	STRINGIZE(SQL_DRIVER_CREATE));
if(!create)	if(!create)
PTHROW(0, 0,	PTHROW(0, 0,
library,	library,
"function '%s' was not found", LIBRARY_CREATE_FUNC_NAME);	"function '%s' was not found", STRINGIZE(SQL_DRIVER_CREATE));

// create library-driver!	// create library-driver!
driver=(*create)();	driver=(*create)();
Line 146 SQL_Connection& SQL_Driver_manager::get_	Line 150 SQL_Connection& SQL_Driver_manager::get_
driver_api_version, SQL_DRIVER_API_VERSION);	driver_api_version, SQL_DRIVER_API_VERSION);

// initialise by connecting to sql client dynamic link library	// initialise by connecting to sql client dynamic link library
const char *dlopen_file_spec_cstr=dlopen_file_spec->cstr(String::UL_FILE_NAME);	bool specified_dlopen_file_spec=dlopen_file_spec && dlopen_file_spec->size();
	const char *dlopen_file_spec_cstr=
	specified_dlopen_file_spec?
	dlopen_file_spec->cstr(String::UL_FILE_NAME):0;
if(const char *error=driver->initialize(	if(const char *error=driver->initialize(
dlopen_file_spec_cstr))	dlopen_file_spec_cstr))
PTHROW(0, 0,	PTHROW(0, 0,
library,	library,
"driver failed to initialize client library '%s', %s",	"driver failed to initialize client library '%s', %s",
dlopen_file_spec_cstr, error);	specified_dlopen_file_spec?dlopen_file_spec_cstr:"unspecifed",
	error);

// cache it	// cache it
put_driver_to_cache(global_protocol, *driver);	put_driver_to_cache(global_protocol, *driver);
Line 197 void SQL_Driver_manager::put_driver_to_c	Line 205 void SQL_Driver_manager::put_driver_to_c
}	}

// connection cache	// connection cache
	/// @todo get rid of memory spending Stack [zeros deep inside got accumulated]
SQL_Connection *SQL_Driver_manager::get_connection_from_cache(const String& url) {	SQL_Connection *SQL_Driver_manager::get_connection_from_cache(const String& url) {
SYNCHRONIZED;	SYNCHRONIZED;

Line 229 static void expire_connection(Array::Ite	Line 237 static void expire_connection(Array::Ite
SQL_Connection& connection=static_cast<SQL_Connection >(value);	SQL_Connection& connection=static_cast<SQL_Connection >(value);
time_t older_dies=reinterpret_cast<time_t>(info);	time_t older_dies=reinterpret_cast<time_t>(info);

if(connection.expired(older_dies))	if(connection.connected() && connection.expired(older_dies))
connection.disconnect();	connection.disconnect();
}	}
static void expire_connections(const Hash::Key& key, Hash::Val value, void info) {	static void expire_connections(const Hash::Key& key, Hash::Val value, void info) {

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Removed from v.1.22
changed lines
	Added in v.1.32