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Code

Feature: Added basic logmsg filter

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This commit is contained in:
Philipp Schafft 2019-07-06 18:28:57 +00:00
parent 74d5a02530
commit 3e03ab583c
1 changed files with 87 additions and 1 deletions
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88
src/logmsg.c
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@ -17,6 +17,7 @@
#include <igloo/logmsg.h>
#include <igloo/interface.h>
#include <igloo/objecthandler.h>
#include <igloo/filter.h>
#include <igloo/io.h>
#include "private.h"
@ -201,4 +202,89 @@ igloo_objecthandler_t * igloo_logmsg_formarter(igloo_ro_t backend, const char
return objecthandler;
}
igloo_filter_t * igloo_logmsg_filter(igloo_loglevel_t level_min, igloo_loglevel_t level_max, igloo_logmsg_opt_t options_required, igloo_logmsg_opt_t options_absent, const struct timespec * ts_min, const struct timespec * ts_max, const char *cat, const char *name, igloo_ro_t associated);
typedef struct {
igloo_loglevel_t level_min;
igloo_loglevel_t level_max;
igloo_logmsg_opt_t options_required;
igloo_logmsg_opt_t options_absent;
struct timespec ts_min;
struct timespec ts_max;
char *cat;
} igloo_logmsg_filter_mask_t;
static inline int __gt_timespec(struct timespec *a, struct timespec *b)
{
return a->tv_sec > b->tv_sec || (a->tv_sec == b->tv_sec && a->tv_nsec > b->tv_nsec);
}
static igloo_filter_result_t __test(igloo_INTERFACE_BASIC_ARGS, igloo_ro_t object)
{
igloo_logmsg_t *msg = igloo_RO_TO_TYPE(object, igloo_logmsg_t);
igloo_logmsg_filter_mask_t *mask = *backend_userdata;
if (!msg)
return igloo_FILTER_RESULT_DROP;
if (msg->level < mask->level_min || msg->level > mask->level_max)
return igloo_FILTER_RESULT_DROP;
if ((msg->options & mask->options_required) != mask->options_required || (msg->options & mask->options_absent))
return igloo_FILTER_RESULT_DROP;
if (__gt_timespec(&(mask->ts_min), &(msg->ts)) || __gt_timespec(&(msg->ts), &(mask->ts_max)))
return igloo_FILTER_RESULT_DROP;
if (mask->cat) {
if (!msg->cat)
return igloo_FILTER_RESULT_DROP;
if (strcmp(msg->cat, mask->cat) != 0)
return igloo_FILTER_RESULT_DROP;
}
return igloo_FILTER_RESULT_PASS;
}
static const igloo_filter_ifdesc_t igloo_logmsg_filter_ifdesc = {
igloo_INTERFACE_DESCRIPTION_BASE(igloo_filter_ifdesc_t),
.test = __test
};
igloo_filter_t * igloo_logmsg_filter(igloo_loglevel_t level_min, igloo_loglevel_t level_max, igloo_logmsg_opt_t options_required, igloo_logmsg_opt_t options_absent, const struct timespec * ts_min, const struct timespec * ts_max, const char *cat, const char *name, igloo_ro_t associated)
{
igloo_filter_t *filter;
igloo_logmsg_filter_mask_t *mask = calloc(1, sizeof(*mask));
if (!mask)
return NULL;
mask->level_min = level_min;
mask->level_max = level_max;
mask->options_required = options_required;
mask->options_absent = options_absent;
/* No else needed, as {0, 0} is already in the past. */
if (ts_min)
mask->ts_min = *ts_min;
if (ts_max) {
mask->ts_max = *ts_max;
} else {
/* BEFORE YEAR 2038 IMPORTANT REWRITE: Update date. */
mask->ts_max.tv_sec = 2145916800; /* this is 2038-01-01 */
}
if (cat) {
mask->cat = strdup(cat);
if (!mask->cat) {
free(mask);
return NULL;
}
}
filter = igloo_filter_new(&igloo_logmsg_filter_ifdesc, igloo_RO_NULL, mask, name, associated);
if (!filter) {
free(mask);
}
return filter;
}