// pdo error handler for the dbh context.
bool pdo_sqlsrv_handle_dbh_error( sqlsrv_context& ctx, unsigned int sqlsrv_error_code, bool warning TSRMLS_DC,
va_list* print_args )
{
pdo_dbh_t* dbh = reinterpret_cast<pdo_dbh_t*>( ctx.driver());
SQLSRV_ASSERT( dbh != NULL, "pdo_sqlsrv_handle_dbh_error: Null dbh passed" );
sqlsrv_error_auto_ptr error;
if( sqlsrv_error_code != SQLSRV_ERROR_ODBC ) {
core_sqlsrv_format_driver_error( ctx, get_error_message( sqlsrv_error_code ), error, SEV_ERROR TSRMLS_CC, print_args );
}
else {
bool err = core_sqlsrv_get_odbc_error( ctx, 1, error, SEV_ERROR TSRMLS_CC );
SQLSRV_ASSERT( err == true, "No ODBC error was found" );
}
SQLSRV_STATIC_ASSERT( sizeof( error->sqlstate ) <= sizeof( dbh->error_code ));
strcpy_s( dbh->error_code, sizeof( dbh->error_code ), reinterpret_cast<const char*>( error->sqlstate ));
switch( dbh->error_mode ) {
case PDO_ERRMODE_EXCEPTION:
if( !warning ) {
pdo_sqlsrv_throw_exception( error TSRMLS_CC );
}
ctx.set_last_error( error );
break;
case PDO_ERRMODE_WARNING:
if( !warning ) {
unsigned int msg_len = strlen( reinterpret_cast<const char*>( error->native_message )) + SQL_SQLSTATE_BUFSIZE
+ MAX_DIGITS + 1;
sqlsrv_malloc_auto_ptr<char> msg;
msg = static_cast<char*>( sqlsrv_malloc( msg_len ));
core_sqlsrv_format_message( msg, msg_len, WARNING_TEMPLATE, error->sqlstate, error->native_code,
error->native_message );
php_error( E_WARNING, msg );
sqlsrv_free( msg );
}
ctx.set_last_error( error );
break;
case PDO_ERRMODE_SILENT:
ctx.set_last_error( error );
break;
default:
DIE( "Unknown error mode. %1!d!", dbh->error_mode );
break;
}
// return error ignored = true for warnings.
return ( warning ? true : false );
}
// Formats the error message and writes to the php error log.
void pdo_sqlsrv_log( unsigned int severity TSRMLS_DC, const char* msg, va_list* print_args )
{
if( (severity & PDO_SQLSRV_G( log_severity )) == 0 ) {
return;
}
DWORD rc = FormatMessage( FORMAT_MESSAGE_FROM_STRING, msg, 0, 0, log_msg, LOG_MSG_SIZE, print_args );
// if an error occurs for FormatMessage, we just output an internal error occurred.
if( rc == 0 ) {
SQLSRV_STATIC_ASSERT( sizeof( INTERNAL_FORMAT_ERROR ) < sizeof( log_msg ));
std::copy( INTERNAL_FORMAT_ERROR, INTERNAL_FORMAT_ERROR + sizeof( INTERNAL_FORMAT_ERROR ), log_msg );
}
php_log_err( log_msg TSRMLS_CC );
}
// return an error message for GetLastError using FormatMessage.
// this function returns the msg pointer so that it may be used within
// another function call such as handle_error
const char* get_last_error_message( DWORD last_error )
{
if( last_error == 0 ) {
last_error = GetLastError();
}
DWORD r = FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM, NULL, last_error, MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ),
last_err_msg, sizeof( last_err_msg ), NULL );
if( r == 0 ) {
SQLSRV_STATIC_ASSERT( sizeof( INTERNAL_FORMAT_ERROR ) < sizeof( last_err_msg ));
std::copy( INTERNAL_FORMAT_ERROR, INTERNAL_FORMAT_ERROR + sizeof( INTERNAL_FORMAT_ERROR ), last_err_msg );
}
return last_err_msg;
}
