139fc667aa
Privileged helper that will perform adjtime(), settimeofday(), bind() on behalf of chronyd when running as non-root user.
165 lines
4.3 KiB
C
165 lines
4.3 KiB
C
/*
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chronyd/chronyc - Programs for keeping computer clocks accurate.
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**********************************************************************
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* Copyright (C) Richard P. Curnow 1997-2002
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* Copyright (C) Miroslav Lichvar 2013-2015
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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**********************************************************************
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=======================================================================
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Header file for diagnostic logging module
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*/
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#ifndef GOT_LOGGING_H
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#define GOT_LOGGING_H
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#include "sysincl.h"
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/* Flag indicating whether debug messages are logged */
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extern int log_debug_enabled;
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/* Line logging macros. If the compiler is GNU C, we take advantage of
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being able to get the function name also. */
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#ifdef __GNUC__
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#define FUNCTION_NAME __FUNCTION__
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#define FORMAT_ATTRIBUTE_PRINTF(str, first) __attribute__ ((format (printf, str, first)))
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#else
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#define FUNCTION_NAME ""
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#define FORMAT_ATTRIBUTE_PRINTF(str, first)
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#endif
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#if DEBUG > 0
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#define LOG_MESSAGE(severity, facility, ...) \
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LOG_Message(severity, facility, __LINE__, __FILE__, FUNCTION_NAME, __VA_ARGS__);
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#else
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#define LOG_MESSAGE(severity, facility, ...) \
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LOG_Message(severity, __VA_ARGS__);
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#endif
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#define DEBUG_LOG(facility, ...) \
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do { \
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if (DEBUG && log_debug_enabled) \
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LOG_MESSAGE(LOGS_DEBUG, facility, __VA_ARGS__); \
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} while (0)
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#define LOG_FATAL(facility, ...) \
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do { \
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LOG_MESSAGE(LOGS_FATAL, facility, __VA_ARGS__); \
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exit(1); \
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} while (0)
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#define LOG(severity, facility, ...) LOG_MESSAGE(severity, facility, __VA_ARGS__)
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/* Definition of severity */
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typedef enum {
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LOGS_INFO,
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LOGS_WARN,
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LOGS_ERR,
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LOGS_FATAL,
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LOGS_DEBUG
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} LOG_Severity;
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/* Definition of facility. Each message is tagged with who generated
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it, so that the user can customise what level of reporting he gets
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for each area of the software */
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typedef enum {
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LOGF_Reference,
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LOGF_NtpIO,
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LOGF_NtpCore,
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LOGF_NtpSources,
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LOGF_Scheduler,
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LOGF_SourceStats,
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LOGF_Sources,
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LOGF_Local,
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LOGF_Util,
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LOGF_Main,
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LOGF_Memory,
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LOGF_Client,
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LOGF_ClientLog,
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LOGF_Configure,
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LOGF_CmdMon,
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LOGF_Acquire,
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LOGF_Manual,
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LOGF_Keys,
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LOGF_Logging,
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LOGF_Nameserv,
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LOGF_PrivOps,
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LOGF_Rtc,
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LOGF_Regress,
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LOGF_Sys,
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LOGF_SysGeneric,
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LOGF_SysLinux,
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LOGF_SysMacOSX,
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LOGF_SysNetBSD,
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LOGF_SysSolaris,
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LOGF_SysSunOS,
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LOGF_SysTimex,
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LOGF_SysWinnt,
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LOGF_TempComp,
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LOGF_RtcLinux,
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LOGF_Refclock,
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LOGF_Smooth,
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} LOG_Facility;
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/* Init function */
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extern void LOG_Initialise(void);
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/* Fini function */
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extern void LOG_Finalise(void);
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/* Line logging function */
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#if DEBUG > 0
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FORMAT_ATTRIBUTE_PRINTF(6, 7)
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extern void LOG_Message(LOG_Severity severity, LOG_Facility facility,
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int line_number, const char *filename,
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const char *function_name, const char *format, ...);
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#else
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FORMAT_ATTRIBUTE_PRINTF(2, 3)
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extern void LOG_Message(LOG_Severity severity, const char *format, ...);
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#endif
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/* Set debug level:
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0, 1 - only non-debug messages are logged
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2 - debug messages are logged too, all messages are prefixed with
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filename, line, and function name
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*/
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extern void LOG_SetDebugLevel(int level);
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/* Log messages to syslog instead of stderr */
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extern void LOG_OpenSystemLog(void);
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/* Send fatal message also to the foreground process */
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extern void LOG_SetParentFd(int fd);
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/* Close the pipe to the foreground process so it can exit */
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extern void LOG_CloseParentFd(void);
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/* File logging functions */
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typedef int LOG_FileID;
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extern LOG_FileID LOG_FileOpen(const char *name, const char *banner);
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FORMAT_ATTRIBUTE_PRINTF(2, 3)
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extern void LOG_FileWrite(LOG_FileID id, const char *format, ...);
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extern void LOG_CycleLogFiles(void);
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#endif /* GOT_LOGGING_H */
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