|
net-snmp 5.7
|
00001 #ifndef SNMP_LOGGING_H 00002 #define SNMP_LOGGING_H 00003 00004 #include <net-snmp/types.h> 00005 #include <net-snmp/output_api.h> 00006 00007 #if HAVE_SYSLOG_H 00008 #include <syslog.h> 00009 #endif 00010 #include <stdio.h> 00011 #include <stdarg.h> 00012 00013 #ifdef __cplusplus 00014 extern "C" { 00015 #endif 00016 00017 #ifndef LOG_ERR 00018 #define LOG_EMERG 0 /* system is unusable */ 00019 #define LOG_ALERT 1 /* action must be taken immediately */ 00020 #define LOG_CRIT 2 /* critical conditions */ 00021 #define LOG_ERR 3 /* error conditions */ 00022 #define LOG_WARNING 4 /* warning conditions */ 00023 #define LOG_NOTICE 5 /* normal but significant condition */ 00024 #define LOG_INFO 6 /* informational */ 00025 #define LOG_DEBUG 7 /* debug-level messages */ 00026 #endif 00027 00028 struct snmp_log_message { 00029 int priority; 00030 const char *msg; 00031 }; 00032 00033 #ifndef DEFAULT_LOG_ID 00034 #define DEFAULT_LOG_ID "net-snmp" 00035 #endif 00036 00037 #define NETSNMP_LOGONCE(x) do { \ 00038 static char logged = 0; \ 00039 if (!logged) { \ 00040 logged = 1; \ 00041 snmp_log x ; \ 00042 } \ 00043 } while(0) 00044 00045 void init_snmp_logging(void); 00046 NETSNMP_IMPORT 00047 void snmp_disable_syslog(void); 00048 void snmp_disable_filelog(void); 00049 NETSNMP_IMPORT 00050 void snmp_disable_stderrlog(void); 00051 void snmp_disable_calllog(void); 00052 NETSNMP_IMPORT 00053 void snmp_enable_syslog(void); 00054 NETSNMP_IMPORT 00055 void snmp_enable_syslog_ident(const char *ident, 00056 const int facility); 00057 NETSNMP_IMPORT 00058 void snmp_enable_filelog(const char *logfilename, 00059 int dont_zero_log); 00060 NETSNMP_IMPORT 00061 void snmp_enable_stderrlog(void); 00062 void snmp_enable_calllog(void); 00063 00064 NETSNMP_IMPORT 00065 int snmp_stderrlog_status(void); 00066 00067 00068 #define NETSNMP_LOGHANDLER_STDOUT 1 00069 #define NETSNMP_LOGHANDLER_STDERR 2 00070 #define NETSNMP_LOGHANDLER_FILE 3 00071 #define NETSNMP_LOGHANDLER_SYSLOG 4 00072 #define NETSNMP_LOGHANDLER_CALLBACK 5 00073 #define NETSNMP_LOGHANDLER_NONE 6 00074 00075 NETSNMP_IMPORT 00076 void netsnmp_set_line_buffering(FILE *stream); 00077 NETSNMP_IMPORT 00078 int snmp_log_options(char *optarg, int argc, char *const *argv); 00079 NETSNMP_IMPORT 00080 void snmp_log_options_usage(const char *lead, FILE *outf); 00081 NETSNMP_IMPORT 00082 char *snmp_log_syslogname(const char *syslogname); 00083 typedef struct netsnmp_log_handler_s netsnmp_log_handler; 00084 typedef int (NetsnmpLogHandler)(netsnmp_log_handler*, int, const char *); 00085 00086 NetsnmpLogHandler log_handler_stdouterr; 00087 NetsnmpLogHandler log_handler_file; 00088 NetsnmpLogHandler log_handler_syslog; 00089 NetsnmpLogHandler log_handler_callback; 00090 NetsnmpLogHandler log_handler_null; 00091 00092 struct netsnmp_log_handler_s { 00093 int enabled; 00094 int priority; 00095 int pri_max; 00096 int type; 00097 const char *token; /* Also used for filename */ 00098 00099 NetsnmpLogHandler *handler; 00100 00101 int imagic; /* E.g. file descriptor, syslog facility */ 00102 void *magic; /* E.g. Callback function */ 00103 00104 netsnmp_log_handler *next, *prev; 00105 }; 00106 00107 NETSNMP_IMPORT 00108 netsnmp_log_handler *get_logh_head( void ); 00109 NETSNMP_IMPORT 00110 netsnmp_log_handler *netsnmp_register_loghandler( int type, int pri ); 00111 netsnmp_log_handler *netsnmp_find_loghandler( const char *token ); 00112 int netsnmp_add_loghandler( netsnmp_log_handler *logh ); 00113 NETSNMP_IMPORT 00114 int netsnmp_remove_loghandler( netsnmp_log_handler *logh ); 00115 int netsnmp_enable_loghandler( const char *token ); 00116 int netsnmp_disable_loghandler( const char *token ); 00117 NETSNMP_IMPORT 00118 void netsnmp_enable_this_loghandler( netsnmp_log_handler *logh ); 00119 NETSNMP_IMPORT 00120 void netsnmp_disable_this_loghandler( netsnmp_log_handler *logh ); 00121 NETSNMP_IMPORT 00122 void netsnmp_logging_restart(void); 00123 #ifdef __cplusplus 00124 } 00125 #endif 00126 #endif /* SNMP_LOGGING_H */
1.7.4