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 /* multiple file log targets can be active */
  25
  26 struct zlt_fd;
  27
  28 struct zlog_cfg_file {
  29         struct zlt_fd *active;
  30
  31         pthread_mutex_t cfg_mtx;
  32
  33         /* call zlog_file_set_other() to apply these */
  34         int prio_min;
  35         char ts_subsec;
  36         bool record_priority;
  37
  38         /* call zlog_file_set_filename/fd() to change this */
  39         char *filename;
  40         int fd;
  41
  42         void (*zlog_wrap)(struct zlog_target *zt, struct zlog_msg *msgs[],
  43                           size_t nmsgs);
  44 };
  45
  46 extern void zlog_file_init(struct zlog_cfg_file *zcf);
  47 extern void zlog_file_fini(struct zlog_cfg_file *zcf);
  48
  49 extern void zlog_file_set_other(struct zlog_cfg_file *zcf);
  50 extern bool zlog_file_set_filename(struct zlog_cfg_file *zcf, const char *name);
  51 extern bool zlog_file_set_fd(struct zlog_cfg_file *zcf, int fd);
  52 extern bool zlog_file_rotate(struct zlog_cfg_file *zcf);
  53
  54 extern void zlog_fd(struct zlog_target *zt, struct zlog_msg *msgs[],
  55                     size_t nmsgs);
  56
  57 /* syslog is always limited to one target */
  58
  59 extern void zlog_syslog_set_facility(int facility);
  60 extern int zlog_syslog_get_facility(void);
  61
  62 /* use ZLOG_DISABLED to disable */
  63 extern void zlog_syslog_set_prio_min(int prio_min);
  64 extern int zlog_syslog_get_prio_min(void);
  65
  66 #endif /* _FRR_ZLOG_TARGETS_H */