lib/zlog_targets.h

   1 /*
   2  * Copyright (c) 2015-19  David Lamparter, for NetDEF, Inc.
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef _FRR_ZLOG_TARGETS_H
  18 #define _FRR_ZLOG_TARGETS_H
  19
  20 #include <pthread.h>
  21
  22 #include "zlog.h"
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28 /* multiple file log targets can be active */
  29
  30 struct zlt_fd;
  31
  32 struct zlog_cfg_file {
  33         struct zlt_fd *active;
  34
  35         pthread_mutex_t cfg_mtx;
  36
  37         /* call zlog_file_set_other() to apply these */
  38         int prio_min;
  39         char ts_subsec;
  40         bool record_priority;
  41
  42         /* call zlog_file_set_filename/fd() to change this */
  43         char *filename;
  44         int fd;
  45
  46         void (*zlog_wrap)(struct zlog_target *zt, struct zlog_msg *msgs[],
  47                           size_t nmsgs);
  48 };
  49
  50 extern void zlog_file_init(struct zlog_cfg_file *zcf);
  51 extern void zlog_file_fini(struct zlog_cfg_file *zcf);
  52
  53 extern void zlog_file_set_other(struct zlog_cfg_file *zcf);
  54 extern bool zlog_file_set_filename(struct zlog_cfg_file *zcf, const char *name);
  55 extern bool zlog_file_set_fd(struct zlog_cfg_file *zcf, int fd);
  56 extern bool zlog_file_rotate(struct zlog_cfg_file *zcf);
  57
  58 extern void zlog_fd(struct zlog_target *zt, struct zlog_msg *msgs[],
  59                     size_t nmsgs);
  60
  61 /* syslog is always limited to one target */
  62
  63 extern void zlog_syslog_set_facility(int facility);
  64 extern int zlog_syslog_get_facility(void);
  65
  66 /* use ZLOG_DISABLED to disable */
  67 extern void zlog_syslog_set_prio_min(int prio_min);
  68 extern int zlog_syslog_get_prio_min(void);
  69
  70 #ifdef __cplusplus
  71 }
  72 #endif
  73
  74 #endif /* _FRR_ZLOG_TARGETS_H */