ossp-pkg/l2/l2_stream.c
1.3
/*
** L2 - OSSP Logging Library
** Copyright (c) 2001 The OSSP Project (http://www.ossp.org/)
** Copyright (c) 2001 Cable & Wireless Deutschland (http://www.cw.com/de/)
**
** This file is part of OSSP L2, a flexible logging library which
** can be found at http://www.ossp.com/pkg/l2/.
**
** Permission to use, copy, modify, and distribute this software for
** any purpose with or without fee is hereby granted, provided that
** the above copyright notice and this permission notice appear in all
** copies.
**
** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
** SUCH DAMAGE.
**
** l2.c: internal C implementation
**
*/
#include "l2.h"
#include "l2_p.h"
l2_stream_t *l2_stream_create(void)
{
l2_stream_t *st;
if ((st = (l2_stream_t *)malloc(sizeof(l2_stream_t))) == NULL)
return NULL;
memset(st, 0, sizeof(l2_stream_t));
return st;
}
l2_stream_t *l2_stream_channel(l2_stream_t *st, l2_channel_t *ch, unsigned int levelmask)
{
size_t i;
for (i = 0; i <= L2_MAX_CHANNELS && st->channels[i] != NULL; i++)
;
if (i == L2_MAX_CHANNELS)
return NULL;
st->channels[i] = ch;
return st;
}
l2_stream_t *l2_stream_formatter(l2_stream_t *st, l2_formatter_t *cb, l2_context_t *ctx)
{
return NULL;
}
unsigned int l2_stream_levels(l2_stream_t *st, unsigned int levelmask)
{
return 0;
}
void l2_stream_log(l2_stream_t *st, unsigned int log_level, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
l2_stream_vlog(st, log_level, fmt, ap);
va_end(ap);
return;
}
void l2_stream_vlog(l2_stream_t *st, unsigned int log_level, const char *fmt, va_list ap)
{
size_t i, len;
len = vsnprintf(st->message, L2_MAX_MSGSIZE, fmt, ap);
for (i = 0; i <= L2_MAX_CHANNELS && st->channels[i] != NULL; i++)
st->channels[i]->handler.write(&st->channels[i]->context,
st->channels[i]->below,
st->message, len);
return;
}
void l2_stream_destroy(l2_stream_t *st)
{
size_t i;
for (i = 0; i <= L2_MAX_CHANNELS && st->channels[i] != NULL; i++)
l2_channel_destroy(st->channels[i]);
for (i = 0; i <= L2_MAX_FORMATTERS && st->formatters[i] != NULL; i++)
free(st->formatters[i]);
return;
}