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#ifndef H_RPMLOG
#define H_RPMLOG 1
/** \ingroup rpmio
* \file rpmio/rpmlog.h
* Yet Another syslog(3) API clone.
* Used to unify rpmError() and rpmMessage() interfaces in rpm.
*/
#include <stdarg.h>
#include <stdio.h>
#include <rpm/rpmutil.h>
#ifdef __cplusplus
extern "C" {
#endif
/** \ingroup rpmlog
* RPM Log levels.
* priorities/facilities are encoded into a single 32-bit quantity, where the
* bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
* (0-big number). Both the priorities and the facilities map roughly
* one-to-one to strings in the syslogd(8) source code. This mapping is
* included in this file.
*
* priorities (these are ordered)
*/
typedef enum rpmlogLvl_e {
RPMLOG_EMERG = 0, /*!< system is unusable */
RPMLOG_ALERT = 1, /*!< action must be taken immediately */
RPMLOG_CRIT = 2, /*!< critical conditions */
RPMLOG_ERR = 3, /*!< error conditions */
RPMLOG_WARNING = 4, /*!< warning conditions */
RPMLOG_NOTICE = 5, /*!< normal but significant condition */
RPMLOG_INFO = 6, /*!< informational */
RPMLOG_DEBUG = 7 /*!< debug-level messages */
} rpmlogLvl;
#define RPMLOG_PRIMASK 0x07 /* mask to extract priority part (internal) */
/* extract priority */
#define RPMLOG_PRI(p) ((p) & RPMLOG_PRIMASK)
#define RPMLOG_MAKEPRI(fac, pri) ((((unsigned)(fac)) << 3) | (pri))
/** \ingroup rpmlog
* facility codes
*/
typedef enum rpmlogFac_e {
RPMLOG_KERN = (0<<3), /*!< kernel messages */
RPMLOG_USER = (1<<3), /*!< random user-level messages */
RPMLOG_MAIL = (2<<3), /*!< mail system */
RPMLOG_DAEMON = (3<<3), /*!< system daemons */
RPMLOG_AUTH = (4<<3), /*!< security/authorization messages */
RPMLOG_SYSLOG = (5<<3), /*!< messages generated internally by syslogd */
RPMLOG_LPR = (6<<3), /*!< line printer subsystem */
RPMLOG_NEWS = (7<<3), /*!< network news subsystem */
RPMLOG_UUCP = (8<<3), /*!< UUCP subsystem */
RPMLOG_CRON = (9<<3), /*!< clock daemon */
RPMLOG_AUTHPRIV = (10<<3), /*!< security/authorization messages (private) */
RPMLOG_FTP = (11<<3), /*!< ftp daemon */
/* other codes through 15 reserved for system use */
RPMLOG_LOCAL0 = (16<<3), /*!< reserved for local use */
RPMLOG_LOCAL1 = (17<<3), /*!< reserved for local use */
RPMLOG_LOCAL2 = (18<<3), /*!< reserved for local use */
RPMLOG_LOCAL3 = (19<<3), /*!< reserved for local use */
RPMLOG_LOCAL4 = (20<<3), /*!< reserved for local use */
RPMLOG_LOCAL5 = (21<<3), /*!< reserved for local use */
RPMLOG_LOCAL6 = (22<<3), /*!< reserved for local use */
RPMLOG_LOCAL7 = (23<<3), /*!< reserved for local use */
#define RPMLOG_NFACILITIES 24 /*!< current number of facilities */
RPMLOG_ERRMSG = (((unsigned)(RPMLOG_NFACILITIES+0))<<3)
} rpmlogFac;
#define RPMLOG_FACMASK 0x03f8 /*!< mask to extract facility part */
#define RPMLOG_FAC(p) (((p) & RPMLOG_FACMASK) >> 3)
/*
* arguments to setlogmask.
*/
#define RPMLOG_MASK(pri) (1 << ((unsigned)(pri))) /*!< mask for one priority */
#define RPMLOG_UPTO(pri) ((1 << (((unsigned)(pri))+1)) - 1) /*!< all priorities through pri */
/*
* Option flags for openlog.
*
* RPMLOG_ODELAY no longer does anything.
* RPMLOG_NDELAY is the inverse of what it used to be.
*/
#define RPMLOG_PID 0x01 /*!< log the pid with each message */
#define RPMLOG_CONS 0x02 /*!< log on the console if errors in sending */
#define RPMLOG_ODELAY 0x04 /*!< delay open until first syslog() (default) */
#define RPMLOG_NDELAY 0x08 /*!< don't delay open */
#define RPMLOG_NOWAIT 0x10 /*!< don't wait for console forks: DEPRECATED */
#define RPMLOG_PERROR 0x20 /*!< log to stderr as well */
/* \ingroup rpmlog
* Option flags for callback return value.
*/
#define RPMLOG_DEFAULT 0x01 /*!< perform default logging */
#define RPMLOG_EXIT 0x02 /*!< exit after logging */
/** \ingroup rpmlog
*/
typedef struct rpmlogRec_s * rpmlogRec;
/** \ingroup rpmlog
* Retrieve log message string from rpmlog record
* @param rec rpmlog record
* @return log message
*/
const char * rpmlogRecMessage(rpmlogRec rec);
/** \ingroup rpmlog
* Retrieve log priority from rpmlog record
* @param rec rpmlog record
* @return log priority
*/
rpmlogLvl rpmlogRecPriority(rpmlogRec rec);
typedef void * rpmlogCallbackData;
/** \ingroup rpmlog
* @param rec rpmlog record
* @param data private callback data
* @return flags to define further behavior:
* RPMLOG_DEFAULT to perform default logging,
* RPMLOG_EXIT to exit after processing,
* 0 to return after callback
*/
typedef int (*rpmlogCallback) (rpmlogRec rec, rpmlogCallbackData data);
/** \ingroup rpmlog
* Return number of rpmError() ressages.
* @return number of messages
*/
int rpmlogGetNrecs(void) ;
/** \ingroup rpmlog
* Print all rpmError() messages.
* @param f file handle (NULL uses stderr)
*/
void rpmlogPrint(FILE *f);
/** \ingroup rpmlog
* Close desriptor used to write to system logger.
* @todo Implement.
*/
void rpmlogClose (void);
/** \ingroup rpmlog
* Open connection to system logger.
* @todo Implement.
*/
void rpmlogOpen (const char * ident, int option, int facility);
/** \ingroup rpmlog
* Set the log mask level.
* @param mask log mask (0 is no operation)
* @return previous log mask
*/
int rpmlogSetMask (int mask);
/** \ingroup rpmlog
* Generate a log message using FMT string and option arguments.
*/
void rpmlog (int code, const char *fmt, ...) RPM_GNUC_PRINTF(2, 3);
/** \ingroup rpmlog
* Return text of last rpmError() message.
* @return text of last message
*/
const char * rpmlogMessage(void);
/** \ingroup rpmlog
* Return error code from last rpmError() message.
* @deprecated Perl-RPM needs, what's really needed is predictable, non-i18n
* encumbered, error text that can be retrieved through rpmlogMessage()
* and parsed IMHO.
* @return code from last message
*/
int rpmlogCode(void);
/** \ingroup rpmlog
* Return translated prefix string (if any) given log level.
* @param pri log priority
* @return message prefix (or "" for none)
*/
const char * rpmlogLevelPrefix(rpmlogLvl pri);
/** \ingroup rpmlog
* Set rpmlog callback function.
* @param cb rpmlog callback function
* @param data callback private (user) data
* @return previous rpmlog callback function
*/
rpmlogCallback rpmlogSetCallback(rpmlogCallback cb, rpmlogCallbackData data);
/** \ingroup rpmlog
* Set rpmlog file handle.
* @param fp rpmlog file handle (NULL uses stdout/stderr)
* @return previous rpmlog file handle
*/
FILE * rpmlogSetFile(FILE * fp);
#define rpmSetVerbosity(_lvl) \
((void)rpmlogSetMask( RPMLOG_UPTO( RPMLOG_PRI(_lvl))))
#define rpmIncreaseVerbosity() \
((void)rpmlogSetMask(((((unsigned)(rpmlogSetMask(0) & 0xff)) << 1) | 1)))
#define rpmDecreaseVerbosity() \
((void)rpmlogSetMask((((int)(rpmlogSetMask(0) & 0xff)) >> 1)))
#define rpmIsNormal() \
(rpmlogSetMask(0) >= RPMLOG_MASK( RPMLOG_NOTICE ))
#define rpmIsVerbose() \
(rpmlogSetMask(0) >= RPMLOG_MASK( RPMLOG_INFO ))
#define rpmIsDebug() \
(rpmlogSetMask(0) >= RPMLOG_MASK( RPMLOG_DEBUG ))
#ifdef __cplusplus
}
#endif
#endif /* H_RPMLOG */
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