mysql_debug.cpp
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/*
Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/C++ is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
MySQL Connectors. There are special exceptions to the terms and
conditions of the GPLv2 as it is applied to this software, see the
FLOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <memory>
#include <stdarg.h>
#include <string.h>
#include "mysql_debug.h"
#define NON_WANTED_FUNCTIONS !strstr(func, "Closed") \
&& !strstr(func, "Valid") \
&& !strstr(func, "getMySQLHandle") \
&& !strstr(func, "isBeforeFirstOrAfterLast")
namespace sql
{
namespace mysql
{
/* {{{ MySQL_DebugEnterEvent::MySQL_DebugEnterEvent() -I- */
MySQL_DebugEnterEvent::MySQL_DebugEnterEvent(unsigned int l, const char* const f,
const char* const func_name,
const boost::shared_ptr< MySQL_DebugLogger > & logger_object)
: line(l), file(f), func(func_name), logger(logger_object)
{
if (logger) {
if (NON_WANTED_FUNCTIONS) {
logger->enter(this);
}
}
}
/* }}} */
/* {{{ MySQL_DebugEnterEvent::MySQL_DebugEnterEvent() -I- */
MySQL_DebugEnterEvent::~MySQL_DebugEnterEvent()
{
if (logger) {
if (NON_WANTED_FUNCTIONS) {
logger->leave(this);
}
}
}
/* }}} */
/* {{{ MySQL_DebugLogger::MySQL_DebugLogger() -I- */
MySQL_DebugLogger::MySQL_DebugLogger()
: tracing(NO_TRACE)
{
// ToDo: On Win getenv() is not thread-safe !
if (getenv("MYSQLCPPCONN_TRACE_ENABLED")) {
tracing = NORMAL_TRACE;
}
}
/* }}} */
/* {{{ MySQL_DebugLogger::~MySQL_DebugLogger() -I- */
MySQL_DebugLogger::~MySQL_DebugLogger()
{
callStack.empty();
}
/* }}} */
/* {{{ MySQL_DebugLogger::disableTracing() -I- */
void
MySQL_DebugLogger::disableTracing()
{
tracing = NO_TRACE;
}
/* }}} */
/* {{{ MySQL_DebugLogger::enableTracing() -I- */
void
MySQL_DebugLogger::enableTracing()
{
tracing = NORMAL_TRACE;
}
/* }}} */
/* {{{ MySQL_DebugLogger::enter() -I- */
void
MySQL_DebugLogger::enter(const MySQL_DebugEnterEvent* event)
{
if (tracing != NO_TRACE) {
printf("#\t");
for (unsigned int i = 0; i < callStack.size(); ++i) {
printf("| ");
}
printf(">%s\n", event->func);
}
callStack.push(event);
}
/* }}} */
/* {{{ MySQL_DebugLogger::isTracing() -I- */
bool
MySQL_DebugLogger::isTracing()
{
return (tracing != NO_TRACE);
}
/* }}} */
/* {{{ MySQL_DebugLogger::leave() -I- */
void
MySQL_DebugLogger::leave(const MySQL_DebugEnterEvent* event)
{
callStack.pop();
if (tracing != NO_TRACE) {
printf("#\t");
for (unsigned int i = 0; i < callStack.size(); ++i) {
printf("| ");
}
printf("<%s\n", event->func);
}
}
/* }}} */
/* {{{ MySQL_DebugLogger::log() -I- */
void
MySQL_DebugLogger::log(const char* const type, const char* const message)
{
if (tracing == NO_TRACE) {
return;
}
printf("#\t");
for (unsigned int i = 0; i < callStack.size(); ++i) {
printf("| ");
}
printf("%s: ", type);
printf("%s\n", message);
}
/* }}} */
/* {{{ MySQL_DebugLogger::log_va() -I- */
void
MySQL_DebugLogger::log_va(const char* const type, const char* const format, ...)
{
if (tracing == NO_TRACE) {
return;
}
va_list args;
printf("#\t");
for (unsigned int i = 0; i < callStack.size(); ++i) {
printf("| ");
}
printf("%s: ", type);
va_start(args, format);
vprintf(format, args);
va_end(args);
printf("\n");
}
/* }}} */
} /* namespace mysql */
} /* namespace sql */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/