contrib/ntp/ntpsnmpd/ntpSnmpSubagentObject.h

   1 /*****************************************************************************
   2  *
   3  *  ntpSnmpSubAgentObject.h
   4  *
   5  *      Definitions and macros for ntpSnmpSubAgentObject.c
   6  *
   7  ****************************************************************************/
   8
   9
  10 #ifndef NTPSNMPSUBAGENTOBJECT_H
  11 #define NTPSNMPSUBAGENTOBJECT_H
  12
  13 /* Function Prototypes */
  14 size_t ntpsnmpd_parse_string(const char *string, char *field, size_t
  15                              fieldsize, char *value, size_t valuesize);
  16 size_t ntpsnmpd_cut_string(const char *string, char *dest, char delim,
  17                            int fieldnumber, size_t maxsize);
  18 size_t read_ntp_value(const char *variable, char *value,
  19                       size_t valuesize);
  20
  21 /* Initialization */
  22 void init_ntpSnmpSubagentObject(void);
  23
  24 /* MIB Section 1 Callback Functions*/
  25 Netsnmp_Node_Handler get_ntpEntSoftwareName;
  26 Netsnmp_Node_Handler get_ntpEntSoftwareVersion;
  27 Netsnmp_Node_Handler get_ntpEntSoftwareVendor;
  28 Netsnmp_Node_Handler get_ntpEntSystemType;
  29 Netsnmp_Node_Handler get_ntpEntTimeResolution;
  30 Netsnmp_Node_Handler get_ntpEntTimePrecision;
  31 Netsnmp_Node_Handler get_ntpEntTimeDistance;
  32
  33 /* MIB Section 2 Callback Functions (TODO) */
  34 Netsnmp_Node_Handler get_ntpEntStatusCurrentMode;
  35 Netsnmp_Node_Handler get_ntpEntStatusCurrentModeVal;
  36 Netsnmp_Node_Handler get_ntpEntStatusStratum;
  37 Netsnmp_Node_Handler get_ntpEntStatusActiveRefSourceId;
  38 Netsnmp_Node_Handler get_ntpEntStatusActiveRefSourceName;
  39 Netsnmp_Node_Handler get_ntpEntStatusActiveOffset;
  40
  41 #define NTPV4_OID 1,3,6,1,2,1,197       /* mib-2 197 */
  42
  43
  44 /*
  45  * The following macros simplify the registration of the callback
  46  * functions and register the name and OID of either read-only (RO) or
  47  * read-write (RW) functions.
  48  */
  49
  50 #define SETUP_OID_RO(oidname, ...)                              \
  51 static oid oidname##_oid [] = { __VA_ARGS__ };                  \
  52 {                                                               \
  53         netsnmp_register_read_only_instance(                    \
  54                 netsnmp_create_handler_registration(            \
  55                         "#oidname",                             \
  56                         get_##oidname,                          \
  57                         oidname##_oid,                          \
  58                         OID_LENGTH                              \
  59                         ( oidname##_oid ),                      \
  60                         HANDLER_CAN_RONLY));                    \
  61 }
  62
  63 #define SETUP_OID_RW(oidname, ...)                              \
  64 static oid oidname##_oid [] = { __VA_ARGS__ };                  \
  65 {                                                               \
  66         netsnmp_register_instance(                              \
  67                 netsnmp_create_handler_registration(            \
  68                         "#oidname",                             \
  69                         do_##oidname,                           \
  70                         oidname##_oid,                          \
  71                         OID_LENGTH                              \
  72                         ( oidname##_oid ),                      \
  73                         HANDLER_CAN_RWRITE));                   \
  74 }
  75
  76 #define NTP_OID_RO(oidname, w, x, y, z)                         \
  77         SETUP_OID_RO(oidname, NTPV4_OID, w, x, y, z)
  78 #define NTP_OID_RW(oidname, w, x, y, z)                         \
  79         SETUP_OID_RW(oidname, NTPV4_OID, w, x, y, z)
  80
  81 #endif