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Added external mibnode panic closure functions, tobe called for error responses.

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This commit is contained in:
christiaans 2006-10-02 10:13:04 +00:00
parent e440590c37
commit cfb082a20b
2 changed files with 21 additions and 11 deletions
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26
src/core/snmp/msg_in.c
View File

@ -160,7 +160,6 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
/* translate answer into a known lifeform */
en->get_object_def_a(request_id, np.ident_len, np.ident, &msg_ps->ext_object_def);
if (msg_ps->ext_object_def.instance != MIB_OBJECT_NONE)
{
msg_ps->state = SNMP_MSG_EXTERNAL_GET_VALUE;
@ -168,6 +167,7 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
en->get_object_def_pc(request_id, np.ident_len, np.ident);
/* search failed, object id points to unknown object (nosuchname) */
snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
}
@ -211,6 +211,7 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
en->get_value_pc(request_id, &msg_ps->ext_object_def);
LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event: no variable space\n"));
msg_ps->vb_ptr->ident = vb->ident;
msg_ps->vb_ptr->ident_len = vb->ident_len;
@ -220,9 +221,8 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
/* get_value_a() called to close external transaction */
en->get_value_a(request_id, &msg_ps->ext_object_def, 0, NULL);
/* vb->value_len == 0, empty value (e.g. empty string) */
en->get_value_a(request_id, &msg_ps->ext_object_def, 0, NULL);
vb->value = NULL;
snmp_varbind_tail_add(&msg_ps->outvb, vb);
/* search again (if vb_idx < msg_ps->invb.count) */
@ -232,6 +232,7 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
en->get_value_pc(request_id, &msg_ps->ext_object_def);
LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event: no outvb space\n"));
snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
}
@ -383,7 +384,6 @@ snmp_msg_getnext_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
/* translate answer into a known lifeform */
en->get_object_def_a(request_id, 1, &msg_ps->ext_oid.id[msg_ps->ext_oid.len - 1], &msg_ps->ext_object_def);
if (msg_ps->ext_object_def.instance != MIB_OBJECT_NONE)
{
msg_ps->state = SNMP_MSG_EXTERNAL_GET_VALUE;
@ -391,6 +391,7 @@ snmp_msg_getnext_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
en->get_object_def_pc(request_id, 1, &msg_ps->ext_oid.id[msg_ps->ext_oid.len - 1]);
/* search failed, object id points to unknown object (nosuchname) */
snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
}
@ -415,6 +416,7 @@ snmp_msg_getnext_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
en->get_value_pc(request_id, &msg_ps->ext_object_def);
LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_getnext_event: couldn't allocate outvb space\n"));
snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
}
@ -527,7 +529,6 @@ snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
/* translate answer into a known lifeform */
en->get_object_def_a(request_id, np.ident_len, np.ident, &msg_ps->ext_object_def);
if (msg_ps->ext_object_def.instance != MIB_OBJECT_NONE)
{
msg_ps->state = SNMP_MSG_EXTERNAL_SET_TEST;
@ -535,6 +536,7 @@ snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
en->get_object_def_pc(request_id, np.ident_len, np.ident);
/* search failed, object id points to unknown object (nosuchname) */
snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
}
@ -551,16 +553,17 @@ snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
if ((msg_ps->ext_object_def.access == MIB_OBJECT_READ_WRITE) &&
(msg_ps->ext_object_def.asn_type == msg_ps->vb_ptr->value_type) &&
(en->set_test_a(request_id,&msg_ps->ext_object_def,
msg_ps->vb_ptr->value_len,msg_ps->vb_ptr->value) != 0))
msg_ps->vb_ptr->value_len,msg_ps->vb_ptr->value) != 0))
{
msg_ps->state = SNMP_MSG_SEARCH_OBJ;
msg_ps->vb_idx += 1;
}
else
{
en->set_test_pc(request_id,&msg_ps->ext_object_def);
/* bad value */
snmp_error_response(msg_ps,SNMP_ES_BADVALUE);
}
}
}
else if (msg_ps->state == SNMP_MSG_EXTERNAL_GET_OBJDEF_S)
{
@ -573,7 +576,6 @@ snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
/* translate answer into a known lifeform */
en->get_object_def_a(request_id, np.ident_len, np.ident, &msg_ps->ext_object_def);
if (msg_ps->ext_object_def.instance != MIB_OBJECT_NONE)
{
msg_ps->state = SNMP_MSG_EXTERNAL_SET_VALUE;
@ -582,9 +584,10 @@ snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
}
else
{
/* search failed, object id points to unknown object (nosuchname) */
snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
}
en->get_object_def_pc(request_id, np.ident_len, np.ident);
/* set_value failed, object has disappeared for some odd reason?? */
snmp_error_response(msg_ps,SNMP_ES_GENERROR);
}
}
else if (msg_ps->state == SNMP_MSG_EXTERNAL_SET_VALUE)
{
@ -594,6 +597,7 @@ snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
en = msg_ps->ext_mib_node;
en->set_value_a(request_id, &msg_ps->ext_object_def, 0, NULL);
/** @todo use set_value_pc() if toobig */
msg_ps->state = SNMP_MSG_INTERNAL_SET_VALUE;
msg_ps->vb_idx += 1;
}

6
src/include/lwip/snmp_structs.h
View File

@ -213,6 +213,12 @@ struct mib_external_node
void (*get_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
u8_t (*set_test_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
void (*set_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
/** async Panic Close (agent returns error reply,
e.g. used for external transaction cleanup) */
void (*get_object_def_pc)(u8_t rid, u8_t ident_len, s32_t *ident);
void (*get_value_pc)(u8_t rid, struct obj_def *od);
void (*set_test_pc)(u8_t rid, struct obj_def *od);
void (*set_value_pc)(u8_t rid, struct obj_def *od);
};
/** export MIB tree from mib2.c */