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Improved mib node struct for external object access and moved get_object_def() calls to the message processing bit.

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christiaans
2006-09-14 15:08:54 +00:00
parent 82c46f957a
commit 960e724ad3
4 changed files with 121 additions and 60 deletions
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35
src/include/lwip/snmp_structs.h
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@@ -75,6 +75,12 @@ struct obj_def
s32_t *id_inst_ptr;
};
struct snmp_name_ptr
{
u8_t ident_len;
s32_t *ident;
};
/** MIB const scalar (.0) node */
#define MIB_NODE_SC 0x01
/** MIB const array node */
@@ -172,7 +178,7 @@ struct mib_list_rootnode
};
/** derived node, has access functions for mib object in external memory or device
using index ('idx'), with a range 0 .. (count - 1) to address these objects */
using 'tree_level' and 'idx', with a range 0 .. (level_length() - 1) */
struct mib_external_node
{
/* inherited "base class" members */
@@ -185,16 +191,23 @@ struct mib_external_node
u16_t maxlength;
/* aditional struct members */
void (*req_object_def)(u8_t ident_len, s32_t *ident);
void (*getreq_value)(struct obj_def *od);
/** compares object sub identifier with externally available id
/** points to an extenal (in memory) record of some sort of addressing
information, passed to and interpreted by the funtions below */
void* addr_inf;
/** tree levels under this node */
u8_t tree_levels;
/** number of objects at this level */
u16_t (*level_length)(void* addr_inf, u8_t level);
/** compares object sub identifier with external id
return zero when equal, nonzero when unequal */
u16_t (*ident_cmp)(u16_t idx, s32_t sub_id);
/** returns next pointer for given index (NULL for scalar 'leaf') */
struct mib_extern_node* (*get_nptr)(u16_t idx);
/* counts actual number of external objects */
u16_t count;
s32_t (*ident_cmp)(void* addr_inf, u8_t level, u16_t idx, s32_t sub_id);
void (*get_objid)(void* addr_inf, u8_t level, u16_t idx, s32_t *sub_id);
/** async requests */
void (*get_object_def_r)(u8_t ident_len, s32_t *ident, struct obj_def *od);
void (*get_value_r)(struct obj_def *od, u16_t len, void *value);
u8_t (*set_test_r)(struct obj_def *od, u16_t len, void *value);
void (*set_value_r)(struct obj_def *od, u16_t len, void *value);
};
/** export MIB tree from mib2.c */
@@ -220,7 +233,7 @@ s8_t snmp_mib_node_insert(struct mib_list_rootnode *rn, s32_t objid, struct mib_
s8_t snmp_mib_node_find(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **fn);
struct mib_list_rootnode *snmp_mib_node_delete(struct mib_list_rootnode *rn, struct mib_list_node *n);
struct mib_node* snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct obj_def *object_def);
struct mib_node* snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_name_ptr *np);
struct mib_node* snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret);
u8_t snmp_iso_prefix_tst(u8_t ident_len, s32_t *ident);
u8_t snmp_iso_prefix_expand(u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret);