src/shared/log-link.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include "log.h"
   5
   6 /*
   7  * The following macros append INTERFACE= to the message.
   8  * The macros require a struct named 'Link' which contains 'char *ifname':
   9  *
  10  *         typedef struct Link {
  11  *                 char *ifname;
  12  *         } Link;
  13  *
  14  * See, network/networkd-link.h for example.
  15  */
  16
  17 #define log_link_full_errno(link, level, error, ...)                    \
  18         ({                                                              \
  19                 const Link *_l = (link);                                \
  20                 (_l && _l->ifname) ? log_object_internal(level, error, PROJECT_FILE, __LINE__, __func__, "INTERFACE=", _l->ifname, NULL, NULL, ##__VA_ARGS__) : \
  21                         log_internal(level, error, PROJECT_FILE, __LINE__, __func__, ##__VA_ARGS__); \
  22         })                                                              \
  23
  24 #define log_link_full(link, level, ...) (void) log_link_full_errno(link, level, 0, __VA_ARGS__)
  25
  26 #define log_link_debug(link, ...)   log_link_full_errno(link, LOG_DEBUG, 0, __VA_ARGS__)
  27 #define log_link_info(link, ...)    log_link_full(link, LOG_INFO, __VA_ARGS__)
  28 #define log_link_notice(link, ...)  log_link_full(link, LOG_NOTICE, __VA_ARGS__)
  29 #define log_link_warning(link, ...) log_link_full(link, LOG_WARNING, __VA_ARGS__)
  30 #define log_link_error(link, ...)   log_link_full(link, LOG_ERR, __VA_ARGS__)
  31
  32 #define log_link_debug_errno(link, error, ...)   log_link_full_errno(link, LOG_DEBUG, error, __VA_ARGS__)
  33 #define log_link_info_errno(link, error, ...)    log_link_full_errno(link, LOG_INFO, error, __VA_ARGS__)
  34 #define log_link_notice_errno(link, error, ...)  log_link_full_errno(link, LOG_NOTICE, error, __VA_ARGS__)
  35 #define log_link_warning_errno(link, error, ...) log_link_full_errno(link, LOG_WARNING, error, __VA_ARGS__)
  36 #define log_link_error_errno(link, error, ...)   log_link_full_errno(link, LOG_ERR, error, __VA_ARGS__)
  37
  38 #define LOG_LINK_MESSAGE(link, fmt, ...) "MESSAGE=%s: " fmt, (link)->ifname, ##__VA_ARGS__
  39 #define LOG_LINK_INTERFACE(link) "INTERFACE=%s", (link)->ifname