net-snmp: mib_modules.c Source File

00001 /*
00002  * wrapper to call all the mib module initialization functions 
00003  */
00004 
00005 #include <net-snmp/agent/mib_module_config.h>
00006 #include <net-snmp/net-snmp-config.h>
00007 #if HAVE_STRING_H
00008 #include <string.h>
00009 #else
00010 #include <strings.h>
00011 #endif
00012 #if HAVE_STDLIB_H
00013 #include <stdlib.h>
00014 #endif
00015 #if HAVE_UNISTD_H
00016 #include <unistd.h>
00017 #endif
00018 #include <sys/types.h>
00019 #if TIME_WITH_SYS_TIME
00020 # ifdef WIN32
00021 #  include <sys/timeb.h>
00022 # else
00023 #  include <sys/time.h>
00024 # endif
00025 # include <time.h>
00026 #else
00027 # if HAVE_SYS_TIME_H
00028 #  include <sys/time.h>
00029 # else
00030 #  include <time.h>
00031 # endif
00032 #endif
00033 #if HAVE_NETINET_IN_H
00034 #include <netinet/in.h>
00035 #endif
00036 #if HAVE_WINSOCK_H
00037 #include <winsock.h>
00038 #endif
00039 
00040 #include <net-snmp/net-snmp-includes.h>
00041 #include <net-snmp/agent/net-snmp-agent-includes.h>
00042 #include "m2m.h"
00043 #ifdef USING_IF_MIB_DATA_ACCESS_INTERFACE_MODULE
00044 #include <net-snmp/data_access/interface.h>
00045 #endif
00046 
00047 #include "mibgroup/struct.h"
00048 #include <net-snmp/agent/mib_modules.h>
00049 #include <net-snmp/agent/table.h>
00050 #include <net-snmp/agent/table_iterator.h>
00051 #include "mib_module_includes.h"
00052 #ifdef USING_AGENTX_SUBAGENT_MODULE
00053 #include "mibgroup/agentx/subagent.h"
00054 #endif
00055 
00056 static int need_shutdown = 0;
00057 
00058 static int
00059 _shutdown_mib_modules(int majorID, int minorID, void *serve, void *client)
00060 {
00061     if (! need_shutdown) {
00062         netsnmp_assert(need_shutdown == 1);
00063     }
00064     else {
00065 #include "mib_module_shutdown.h"
00066 
00067         need_shutdown = 0;
00068     }
00069 
00070     return SNMPERR_SUCCESS; /* callback rc ignored */
00071 }
00072 
00073 void
00074 init_mib_modules(void)
00075 {
00076     static int once = 0;
00077 
00078 #ifdef USING_IF_MIB_DATA_ACCESS_INTERFACE_MODULE
00079     netsnmp_access_interface_init();
00080 #endif
00081 #  include "mib_module_inits.h"
00082 
00083     need_shutdown = 1;
00084 
00085     if (once == 0) {
00086         int rc;
00087         once = 1;
00088         rc = snmp_register_callback( SNMP_CALLBACK_LIBRARY,
00089                                      SNMP_CALLBACK_SHUTDOWN,
00090                                      _shutdown_mib_modules,
00091                                      NULL);
00092 
00093         if( rc != SNMP_ERR_NOERROR )
00094             snmp_log(LOG_ERR, "error registering for SHUTDOWN callback "
00095                      "for mib modules\n");
00096     }
00097 }