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-rw-r--r--src/shared/log-link.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/shared/log-link.h b/src/shared/log-link.h
new file mode 100644
index 0000000..5f2b176
--- /dev/null
+++ b/src/shared/log-link.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "log.h"
+
+#define log_interface_full_errno_zerook(ifname, level, error, ...) \
+ ({ \
+ const char *_ifname = (ifname); \
+ _ifname ? log_object_internal(level, error, PROJECT_FILE, __LINE__, __func__, "INTERFACE=", _ifname, NULL, NULL, ##__VA_ARGS__) : \
+ log_internal(level, error, PROJECT_FILE, __LINE__, __func__, ##__VA_ARGS__); \
+ })
+
+#define log_interface_full_errno(ifname, level, error, ...) \
+ ({ \
+ int _error = (error); \
+ ASSERT_NON_ZERO(_error); \
+ log_interface_full_errno_zerook(ifname, level, _error, __VA_ARGS__); \
+ })
+
+/*
+ * The following macros append INTERFACE= to the message.
+ * The macros require a struct named 'Link' which contains 'char *ifname':
+ *
+ * typedef struct Link {
+ * char *ifname;
+ * } Link;
+ *
+ * See, network/networkd-link.h for example.
+ */
+
+#define log_link_full_errno_zerook(link, level, error, ...) \
+ ({ \
+ const Link *_l = (link); \
+ log_interface_full_errno_zerook(_l ? _l->ifname : NULL, level, error, __VA_ARGS__); \
+ })
+
+#define log_link_full_errno(link, level, error, ...) \
+ ({ \
+ int _error = (error); \
+ ASSERT_NON_ZERO(_error); \
+ log_link_full_errno_zerook(link, level, _error, __VA_ARGS__); \
+ })
+
+#define log_link_full(link, level, ...) (void) log_link_full_errno_zerook(link, level, 0, __VA_ARGS__)
+
+#define log_link_debug(link, ...) log_link_full(link, LOG_DEBUG, __VA_ARGS__)
+#define log_link_info(link, ...) log_link_full(link, LOG_INFO, __VA_ARGS__)
+#define log_link_notice(link, ...) log_link_full(link, LOG_NOTICE, __VA_ARGS__)
+#define log_link_warning(link, ...) log_link_full(link, LOG_WARNING, __VA_ARGS__)
+#define log_link_error(link, ...) log_link_full(link, LOG_ERR, __VA_ARGS__)
+
+#define log_link_debug_errno(link, error, ...) log_link_full_errno(link, LOG_DEBUG, error, __VA_ARGS__)
+#define log_link_info_errno(link, error, ...) log_link_full_errno(link, LOG_INFO, error, __VA_ARGS__)
+#define log_link_notice_errno(link, error, ...) log_link_full_errno(link, LOG_NOTICE, error, __VA_ARGS__)
+#define log_link_warning_errno(link, error, ...) log_link_full_errno(link, LOG_WARNING, error, __VA_ARGS__)
+#define log_link_error_errno(link, error, ...) log_link_full_errno(link, LOG_ERR, error, __VA_ARGS__)
+
+#define LOG_LINK_MESSAGE(link, fmt, ...) "MESSAGE=%s: " fmt, (link)->ifname, ##__VA_ARGS__
+#define LOG_LINK_INTERFACE(link) "INTERFACE=%s", (link)->ifname