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/*
Unix SMB/CIFS implementation.
Copyright (C) Andrew Tridgell 2005
Copyright (C) Jelmer Vernooij 2005
** NOTE! The following LGPL license applies to the tevent
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "tevent.h"
#include "tevent_internal.h"
/********************************************************************
* Debug wrapper functions, modeled (with lot's of code copied as is)
* after the ev debug wrapper functions
********************************************************************/
/*
this allows the user to choose their own debug function
*/
int tevent_set_debug(struct tevent_context *ev,
void (*debug)(void *context,
enum tevent_debug_level level,
const char *fmt,
va_list ap) PRINTF_ATTRIBUTE(3,0),
void *context)
{
if (ev->wrapper.glue != NULL) {
ev = tevent_wrapper_main_ev(ev);
tevent_abort(ev, "tevent_set_debug() on wrapper");
errno = EINVAL;
return -1;
}
ev->debug_ops.debug = debug;
ev->debug_ops.context = context;
return 0;
}
/*
debug function for ev_set_debug_stderr
*/
static void tevent_debug_stderr(void *private_data,
enum tevent_debug_level level,
const char *fmt,
va_list ap) PRINTF_ATTRIBUTE(3,0);
static void tevent_debug_stderr(void *private_data,
enum tevent_debug_level level,
const char *fmt, va_list ap)
{
if (level <= TEVENT_DEBUG_WARNING) {
vfprintf(stderr, fmt, ap);
}
}
/*
convenience function to setup debug messages on stderr
messages of level TEVENT_DEBUG_WARNING and higher are printed
*/
int tevent_set_debug_stderr(struct tevent_context *ev)
{
return tevent_set_debug(ev, tevent_debug_stderr, ev);
}
/*
* log a message
*
* The default debug action is to ignore debugging messages.
* This is the most appropriate action for a library.
* Applications using the library must decide where to
* redirect debugging messages
*/
void tevent_debug(struct tevent_context *ev, enum tevent_debug_level level,
const char *fmt, ...)
{
va_list ap;
if (!ev) {
return;
}
if (ev->wrapper.glue != NULL) {
ev = tevent_wrapper_main_ev(ev);
}
if (ev->debug_ops.debug == NULL) {
return;
}
va_start(ap, fmt);
ev->debug_ops.debug(ev->debug_ops.context, level, fmt, ap);
va_end(ap);
}
void tevent_set_trace_callback(struct tevent_context *ev,
tevent_trace_callback_t cb,
void *private_data)
{
if (ev->wrapper.glue != NULL) {
ev = tevent_wrapper_main_ev(ev);
tevent_abort(ev, "tevent_set_trace_callback() on wrapper");
return;
}
ev->tracing.callback = cb;
ev->tracing.private_data = private_data;
}
void tevent_get_trace_callback(struct tevent_context *ev,
tevent_trace_callback_t *cb,
void *private_data)
{
*cb = ev->tracing.callback;
*(void**)private_data = ev->tracing.private_data;
}
void tevent_trace_point_callback(struct tevent_context *ev,
enum tevent_trace_point tp)
{
if (ev->tracing.callback != NULL) {
ev->tracing.callback(tp, ev->tracing.private_data);
}
}
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