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target_counters.c
资源名称：net-snmp-5.2.2.rar　[点击查看]
上传用户：wxp200602
上传日期：2007-10-30
资源大小：4028k
文件大小：2k
源码类别：

SNMP编程

开发平台：

Unix_Linux

target_counters.c：源码内容
  1. #include <net-snmp/net-snmp-config.h>
  3. #if HAVE_STRING_H
  4. #include <string.h>
  5. #else
  6. #include <strings.h>
  7. #endif
  9. #include <net-snmp/net-snmp-includes.h>
  10. #include <net-snmp/agent/net-snmp-agent-includes.h>
  12. #include "target_counters.h"
  13. #include <net-snmp/agent/instance.h>
  15. static oid   unavailable_context_oid[] = { 1, 3, 6, 1, 6, 3, 12, 1, 4 };
  16. static oid   unknown_context_oid[]     = { 1, 3, 6, 1, 6, 3, 12, 1, 5 };
  18. void
  19. init_target_counters(void)
  20. {
  21.     DEBUGMSGTL(("target_counters", "initializingn"));
  23.     /*
  24.      * unknown contexts
  25.      */
  27.     netsnmp_register_scalar(
  28.         netsnmp_create_handler_registration("snmpUnknownContexts",
  29.                                          get_unknown_context_count,
  30.                                          unknown_context_oid,
  31.                                          OID_LENGTH(unknown_context_oid),
  32.                                          HANDLER_CAN_RONLY));
  34.     /*
  35.      * unavailable contexts
  36.      */
  38.     netsnmp_register_scalar(
  39.         netsnmp_create_handler_registration("snmpUnavailableContexts",
  40.                                          get_unavailable_context_count,
  41.                                          unavailable_context_oid,
  42.                                          OID_LENGTH(unavailable_context_oid),
  43.                                          HANDLER_CAN_RONLY));
  45. }
  47. int
  48. get_unknown_context_count(netsnmp_mib_handler *handler,
  49.                           netsnmp_handler_registration *reginfo,
  50.                           netsnmp_agent_request_info *reqinfo,
  51.                           netsnmp_request_info *requests)
  52. {
  53.     /*
  54.      * we're only called for GETs of the right node, so this is easy: 
  55.      */
  57.     u_long          long_ret =
  58.         snmp_get_statistic(STAT_SNMPUNKNOWNCONTEXTS);
  59.     snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
  60.                              (u_char *) & long_ret, sizeof(long_ret));
  61.     return SNMP_ERR_NOERROR;
  62. }
  65. int
  66. get_unavailable_context_count(netsnmp_mib_handler *handler,
  67.                               netsnmp_handler_registration *reginfo,
  68.                               netsnmp_agent_request_info *reqinfo,
  69.                               netsnmp_request_info *requests)
  70. {
  71.     /*
  72.      * we're only called for GETs of the right node, so this is easy: 
  73.      */
  75.     u_long          long_ret =
  76.         snmp_get_statistic(STAT_SNMPUNAVAILABLECONTEXTS);
  77.     snmp_set_var_typed_value(requests->requestvb, ASN_COUNTER,
  78.                              (u_char *) & long_ret, sizeof(long_ret));
  79.     return SNMP_ERR_NOERROR;
  80. }