diff options
Diffstat (limited to 'include/net-snmp/library/snmp_enum.h')
| -rw-r--r-- | include/net-snmp/library/snmp_enum.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/include/net-snmp/library/snmp_enum.h b/include/net-snmp/library/snmp_enum.h new file mode 100644 index 0000000..237891d --- /dev/null +++ b/include/net-snmp/library/snmp_enum.h @@ -0,0 +1,115 @@ +#ifndef SNMP_ENUM_H +#define SNMP_ENUM_H + +#ifdef __cplusplus +extern "C" { +#endif + + struct snmp_enum_list { + struct snmp_enum_list *next; + int value; + char *label; + }; + +#define SE_MAX_IDS 5 +#define SE_MAX_SUBIDS 32 /* needs to be a multiple of 8 */ + + /* + * begin storage definitions + */ + /* + * These definitions correspond with the "storid" argument to the API + */ +#define SE_LIBRARY_ID 0 +#define SE_MIB_ID 1 +#define SE_APPLICATION_ID 2 +#define SE_ASSIGNED_ID 3 + + /* + * library specific enum locations + */ + + /* + * error codes + */ +#define SE_OK 0 +#define SE_NOMEM 1 +#define SE_ALREADY_THERE 2 +#define SE_DNE -2 + + int init_snmp_enum(const char *type); + struct snmp_enum_list *se_find_list(unsigned int major, + unsigned int minor); + struct snmp_enum_list *se_find_slist(const char *listname); + int se_store_in_list(struct snmp_enum_list *, + unsigned int major, unsigned int minor); + int se_find_value(unsigned int major, unsigned int minor, + const char *label); + int se_find_free_value(unsigned int major, unsigned int minor); + char *se_find_label(unsigned int major, unsigned int minor, + int value); + /** + * Add the pair (label, value) to the list (major, minor). Transfers + * ownership of the memory pointed to by label to the list: + * clear_snmp_enum() deallocates that memory. + */ + int se_add_pair(unsigned int major, unsigned int minor, + char *label, int value); + + /* + * finds a list of enums in a list of enum structs associated by a name. + */ + /* + * find a list, and then operate on that list + * ( direct methods further below if you already have the list pointer) + */ + NETSNMP_IMPORT + char *se_find_label_in_slist(const char *listname, + int value); + NETSNMP_IMPORT + int se_find_value_in_slist(const char *listname, + const char *label); + int se_find_free_value_in_slist(const char *listname); + /** + * Add the pair (label, value) to the slist with name listname. Transfers + * ownership of the memory pointed to by label to the list: + * clear_snmp_enum() deallocates that memory. + */ + NETSNMP_IMPORT + int se_add_pair_to_slist(const char *listname, char *label, + int value); + + /* + * operates directly on a possibly external list + */ + char *se_find_label_in_list(struct snmp_enum_list *list, + int value); + int se_find_value_in_list(struct snmp_enum_list *list, + const char *label); + int se_find_free_value_in_list(struct snmp_enum_list *list); + int se_add_pair_to_list(struct snmp_enum_list **list, + char *label, int value); + + /* + * Persistent enumeration lists + */ + void se_store_enum_list(struct snmp_enum_list *new_list, + const char *token, const char *type); + void se_store_list(unsigned int major, unsigned int minor, + const char *type); + void se_clear_slist(const char *listname); + void se_store_slist(const char *listname, const char *type); + int se_store_slist_callback(int majorID, int minorID, + void *serverargs, void *clientargs); + void se_read_conf(const char *word, char *cptr); + /** + * Deallocate the memory allocated by init_snmp_enum(): remove all key/value + * pairs stored by se_add_*() calls. + */ + NETSNMP_IMPORT + void clear_snmp_enum(void); + +#ifdef __cplusplus +} +#endif +#endif /* SNMP_ENUM_H */ |