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If we prefix the second part of messages printed through logmsg_perror() by the timestamp, on debug, we'll have two timestamps and a weird separator in the result, such as this beauty: 0.0013: Failed to clone process with detached namespaces0.0013: : Operation not permitted Add a parameter to logmsg() and vlogmsg() which indicates a message continuation. If that's set, don't print the timestamp in vlogmsg(). Link: https://github.com/moby/moby/issues/48257#issuecomment-2282875092 Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright (c) 2022 Red Hat GmbH
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* Author: Stefano Brivio <sbrivio@redhat.com>
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*/
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#ifndef LOG_H
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#define LOG_H
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#include <stdbool.h>
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#include <syslog.h>
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#define LOGFILE_SIZE_DEFAULT (1024 * 1024UL)
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#define LOGFILE_CUT_RATIO 30 /* When full, cut ~30% size */
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#define LOGFILE_SIZE_MIN (5UL * MAX(BUFSIZ, PAGE_SIZE))
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void vlogmsg(bool newline, bool cont, int pri, const char *format, va_list ap);
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void logmsg(bool newline, bool cont, int pri, const char *format, ...)
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__attribute__((format(printf, 4, 5)));
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void logmsg_perror(int pri, const char *format, ...)
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__attribute__((format(printf, 2, 3)));
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#define err(...) logmsg(true, false, LOG_ERR, __VA_ARGS__)
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#define warn(...) logmsg(true, false, LOG_WARNING, __VA_ARGS__)
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#define info(...) logmsg(true, false, LOG_INFO, __VA_ARGS__)
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#define debug(...) logmsg(true, false, LOG_DEBUG, __VA_ARGS__)
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#define err_perror(...) logmsg_perror( LOG_ERR, __VA_ARGS__)
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#define warn_perror(...) logmsg_perror( LOG_WARNING, __VA_ARGS__)
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#define info_perror(...) logmsg_perror( LOG_INFO, __VA_ARGS__)
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#define debug_perror(...) logmsg_perror( LOG_DEBUG, __VA_ARGS__)
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#define die(...) \
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do { \
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err(__VA_ARGS__); \
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exit(EXIT_FAILURE); \
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} while (0)
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#define die_perror(...) \
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do { \
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err_perror(__VA_ARGS__); \
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exit(EXIT_FAILURE); \
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} while (0)
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extern int log_trace;
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extern bool log_conf_parsed;
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extern bool log_stderr;
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extern struct timespec log_start;
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void trace_init(int enable);
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#define trace(...) \
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do { \
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if (log_trace) \
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debug(__VA_ARGS__); \
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} while (0)
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void __openlog(const char *ident, int option, int facility);
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void logfile_init(const char *name, const char *path, size_t size);
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void passt_vsyslog(bool newline, int pri, const char *format, va_list ap);
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void __setlogmask(int mask);
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#endif /* LOG_H */
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