diff options
Diffstat (limited to 'include/net-snmp/library/snmp_logging.h')
| -rw-r--r-- | include/net-snmp/library/snmp_logging.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/include/net-snmp/library/snmp_logging.h b/include/net-snmp/library/snmp_logging.h new file mode 100644 index 0000000..0dde7ae --- /dev/null +++ b/include/net-snmp/library/snmp_logging.h @@ -0,0 +1,129 @@ +#ifndef SNMP_LOGGING_H +#define SNMP_LOGGING_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdio.h> +#if HAVE_SYSLOG_H +#include <syslog.h> +#endif +#if HAVE_STDARG_H +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +#ifndef LOG_ERR +#define LOG_EMERG 0 /* system is unusable */ +#define LOG_ALERT 1 /* action must be taken immediately */ +#define LOG_CRIT 2 /* critical conditions */ +#define LOG_ERR 3 /* error conditions */ +#define LOG_WARNING 4 /* warning conditions */ +#define LOG_NOTICE 5 /* normal but significant condition */ +#define LOG_INFO 6 /* informational */ +#define LOG_DEBUG 7 /* debug-level messages */ +#endif + + struct snmp_log_message { + int priority; + const char *msg; + }; + +#ifndef DEFAULT_LOG_ID +#define DEFAULT_LOG_ID "net-snmp" +#endif + + void init_snmp_logging(void); + void shutdown_snmp_logging(void); + int snmp_get_do_logging(void); + void snmp_disable_syslog(void); + void snmp_disable_filelog(void); + void snmp_disable_stderrlog(void); + void snmp_disable_calllog(void); + void snmp_disable_log(void); + void snmp_enable_syslog(void); + void snmp_enable_syslog_ident(const char *ident, + const int facility); + void snmp_enable_filelog(const char *logfilename, + int dont_zero_log); + void snmp_enable_stderrlog(void); + void snmp_enable_calllog(void); + + int snmp_stderrlog_status(void); + +#if HAVE_STDARG_H +# if !defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) + int snmp_log(int priority, const char *format, ...); +# else + int snmp_log(int priority, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 3))); +# endif +#else + int snmp_log(va_alist); +#endif + int snmp_vlog(int priority, const char *format, + va_list ap); + /* + * 0 - successful message formatting + */ + /* + * -1 - Could not format log-string + */ + /* + * -2 - Could not allocate memory for log-message + */ + /* + * -3 - Log-message too long! + */ + + void snmp_log_perror(const char *s); + + +#define NETSNMP_LOGHANDLER_STDOUT 1 +#define NETSNMP_LOGHANDLER_STDERR 2 +#define NETSNMP_LOGHANDLER_FILE 3 +#define NETSNMP_LOGHANDLER_SYSLOG 4 +#define NETSNMP_LOGHANDLER_CALLBACK 5 +#define NETSNMP_LOGHANDLER_NONE 6 + + int snmp_log_options(char *optarg, int argc, char *const *argv); + void snmp_log_options_usage(const char *lead, FILE *outf); + char *snmp_log_syslogname(const char *syslogname); + typedef struct netsnmp_log_handler_s netsnmp_log_handler; + typedef int (NetsnmpLogHandler)(netsnmp_log_handler*, int, const char *); + + NetsnmpLogHandler log_handler_stdouterr; + NetsnmpLogHandler log_handler_file; + NetsnmpLogHandler log_handler_syslog; + NetsnmpLogHandler log_handler_callback; + NetsnmpLogHandler log_handler_null; + + struct netsnmp_log_handler_s { + int enabled; + int priority; + int pri_max; + int type; + const char *token; /* Also used for filename */ + + NetsnmpLogHandler *handler; + + int imagic; /* E.g. file descriptor, syslog facility */ + void *magic; /* E.g. Callback function */ + + netsnmp_log_handler *next, *prev; + }; + +netsnmp_log_handler *get_logh_head( void ); +netsnmp_log_handler *netsnmp_register_loghandler( int type, int pri ); +netsnmp_log_handler *netsnmp_find_loghandler( const char *token ); +int netsnmp_add_loghandler( netsnmp_log_handler *logh ); +int netsnmp_remove_loghandler( netsnmp_log_handler *logh ); +int netsnmp_enable_loghandler( const char *token ); +int netsnmp_disable_loghandler( const char *token ); +void netsnmp_logging_restart(void); +#ifdef __cplusplus +} +#endif +#endif /* SNMP_LOGGING_H */ |