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SNMP: snmp_pdu simplification
This commit is contained in:
Vojtech Vilimek
parent
4b7989aa45
commit
373b343e0c
@ -36,7 +36,7 @@
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const struct bgp_stats UNUSED *stats; \
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const struct bgp_config UNUSED *config
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#define POPULATE_BGP4(addr, proto, conn, stats, config) populate_bgp4(d, &(addr), &(proto), &(conn), &(stats), &(config))
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#define POPULATE_BGP4(addr, proto, conn, stats, config) populate_bgp4(c, &(addr), &(proto), &(conn), &(stats), &(config))
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static inline void ip4_to_oid(struct oid *oid, ip4_addr addr);
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@ -234,7 +234,7 @@ snmp_bgp_notify_backward_trans(struct snmp_proto *p, struct bgp_proto *bgp)
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void
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snmp_bgp4_register(struct snmp_proto *p)
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{
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u32 bgp_mib_prefix[] = { 1, BGP4_MIB }; // TODO remove constant
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u32 bgp_mib_prefix[] = { SNMP_MIB_2, BGP4_MIB };
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{
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/* Register the whole BGP4-MIB::bgp root tree node */
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@ -332,10 +332,10 @@ print_bgp_record(const struct bgp_proto *bgp_proto)
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static inline enum snmp_search_res
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populate_bgp4(struct snmp_data *d, ip4_addr *addr, const struct bgp_proto **proto, const struct bgp_conn
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populate_bgp4(struct snmp_pdu *c, ip4_addr *addr, const struct bgp_proto **proto, const struct bgp_conn
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**conn, const struct bgp_stats **stats, const struct bgp_config **config)
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{
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const struct oid * const oid = &d->c->sr_vb_start->name;
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const struct oid * const oid = &c->sr_vb_start->name;
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if (snmp_bgp_valid_ip4(oid) && LOAD_U8(oid->n_subid) == 9)
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*addr = ip4_from_oid(oid);
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else
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@ -344,7 +344,7 @@ populate_bgp4(struct snmp_data *d, ip4_addr *addr, const struct bgp_proto **prot
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return SNMP_SEARCH_NO_INSTANCE;
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}
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struct snmp_bgp_peer *pe = snmp_hash_find(d->p, *addr);
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struct snmp_bgp_peer *pe = snmp_hash_find(c->p, *addr);
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if (!pe)
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{
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snmp_log("populate() hash find failed");
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@ -356,7 +356,7 @@ populate_bgp4(struct snmp_data *d, ip4_addr *addr, const struct bgp_proto **prot
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if (!ipa_is_ip4(bgp_proto->remote_ip))
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{
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log(L_ERR "%s: Found BGP protocol instance with IPv6 address", bgp_proto->p.name);
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d->c->error = AGENTX_RES_GEN_ERROR;
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c->error = AGENTX_RES_GEN_ERROR;
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return SNMP_SEARCH_NO_INSTANCE;
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}
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@ -366,7 +366,7 @@ populate_bgp4(struct snmp_data *d, ip4_addr *addr, const struct bgp_proto **prot
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/* Here, we could be in problem as the bgp_proto IP address could be changed */
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log(L_ERR "%s: Stored hash key IP address and peer remote address differ "
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"(%I, %I).", bgp_proto->p.name, proto_ip, pe->peer_ip);
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d->c->error = AGENTX_RES_GEN_ERROR;
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c->error = AGENTX_RES_GEN_ERROR;
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return SNMP_SEARCH_NO_INSTANCE;
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}
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@ -379,28 +379,28 @@ populate_bgp4(struct snmp_data *d, ip4_addr *addr, const struct bgp_proto **prot
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}
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static enum snmp_search_res
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fill_bgp_version(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_bgp_version(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill ver");
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if (LOAD_U8(d->c->sr_vb_start->name.n_subid) != 3)
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if (LOAD_U8(c->sr_vb_start->name.n_subid) != 3)
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return SNMP_SEARCH_NO_INSTANCE;
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d->c->size -= snmp_str_size_from_len(1);
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snmp_varbind_nstr(d->c, BGP4_VERSIONS, 1);
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c->size -= snmp_str_size_from_len(1);
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snmp_varbind_nstr(c, BGP4_VERSIONS, 1);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_local_as(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_local_as(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill as");
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if (LOAD_U8(d->c->sr_vb_start->name.n_subid) != 3)
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if (LOAD_U8(c->sr_vb_start->name.n_subid) != 3)
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return SNMP_SEARCH_NO_INSTANCE;
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snmp_varbind_int(d->c, d->p->bgp_local_as);
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snmp_varbind_int(c, c->p->bgp_local_as);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_peer_id(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_peer_id(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill peer id");
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enum snmp_search_res res;
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@ -413,14 +413,14 @@ fill_peer_id(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (fsm_state == BGP4_MIB_OPENCONFIRM || fsm_state == BGP4_MIB_ESTABLISHED)
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// TODO last
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snmp_varbind_ip4(d->c, ip4_from_u32(bgp_proto->remote_id));
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snmp_varbind_ip4(c, ip4_from_u32(bgp_proto->remote_id));
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else
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snmp_varbind_ip4(d->c, IP4_NONE);
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snmp_varbind_ip4(c, IP4_NONE);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_peer_state(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_peer_state(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill peer state");
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enum snmp_search_res res;
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@ -431,12 +431,12 @@ fill_peer_state(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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uint fsm_state = snmp_bgp_fsm_state(bgp_proto);
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snmp_varbind_int(d->c, fsm_state);
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snmp_varbind_int(c, fsm_state);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_admin_status(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_admin_status(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill adm status");
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enum snmp_search_res res;
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@ -446,14 +446,14 @@ fill_admin_status(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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return res;
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if (bgp_proto->p.disabled)
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snmp_varbind_int(d->c, AGENTX_ADMIN_STOP);
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snmp_varbind_int(c, AGENTX_ADMIN_STOP);
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else
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snmp_varbind_int(d->c, AGENTX_ADMIN_START);
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snmp_varbind_int(c, AGENTX_ADMIN_START);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_neg_version(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_neg_version(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill neg ver");
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enum snmp_search_res res;
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@ -465,14 +465,14 @@ fill_neg_version(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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uint fsm_state = snmp_bgp_fsm_state(bgp_proto);
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if (fsm_state == BGP4_MIB_ESTABLISHED || fsm_state == BGP4_MIB_ESTABLISHED)
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snmp_varbind_int(d->c, BGP4_MIB_NEGOTIATED_VER_VALUE);
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snmp_varbind_int(c, BGP4_MIB_NEGOTIATED_VER_VALUE);
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else
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snmp_varbind_int(d->c, BGP4_MIB_NEGOTIATED_VER_NO_VALUE);
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snmp_varbind_int(c, BGP4_MIB_NEGOTIATED_VER_NO_VALUE);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_local_addr(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_local_addr(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("bgp4_mib fill local addr");
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enum snmp_search_res res;
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@ -484,12 +484,12 @@ fill_local_addr(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_ip4(d->c, ipa_to_ip4(bgp_proto->local_ip));
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snmp_varbind_ip4(c, ipa_to_ip4(bgp_proto->local_ip));
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_local_port(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_local_port(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("bgp4_mib fill local port");
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enum snmp_search_res res;
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@ -498,12 +498,12 @@ fill_local_port(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_int(d->c, bgp_conf->local_port);
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snmp_varbind_int(c, bgp_conf->local_port);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_remote_addr(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_remote_addr(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("bgp4_mib fill remote addr");
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enum snmp_search_res res;
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@ -512,12 +512,12 @@ fill_remote_addr(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_ip4(d->c, ipa_to_ip4(bgp_proto->remote_ip));
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snmp_varbind_ip4(c, ipa_to_ip4(bgp_proto->remote_ip));
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_remote_port(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_remote_port(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("bgp4_mib fill remote port");
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enum snmp_search_res res;
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@ -526,12 +526,12 @@ fill_remote_port(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_int(d->c, bgp_conf->remote_port);
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snmp_varbind_int(c, bgp_conf->remote_port);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_remote_as(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_remote_as(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill rem as");
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enum snmp_search_res res;
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@ -540,12 +540,12 @@ fill_remote_as(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_int(d->c, bgp_proto->remote_as);
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snmp_varbind_int(c, bgp_proto->remote_as);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_in_updates(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_in_updates(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill in updates");
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enum snmp_search_res res;
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@ -554,12 +554,12 @@ fill_in_updates(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_counter32(d->c, bgp_stats->rx_updates);
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snmp_varbind_counter32(c, bgp_stats->rx_updates);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_out_updates(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_out_updates(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill out updates");
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enum snmp_search_res res;
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@ -568,12 +568,12 @@ fill_out_updates(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_counter32(d->c, bgp_stats->tx_updates);
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snmp_varbind_counter32(c, bgp_stats->tx_updates);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_in_total_msg(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_in_total_msg(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill in total");
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enum snmp_search_res res;
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@ -582,12 +582,12 @@ fill_in_total_msg(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_counter32(d->c, bgp_stats->rx_messages);
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snmp_varbind_counter32(c, bgp_stats->rx_messages);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_out_total_msg(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_out_total_msg(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill out total");
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enum snmp_search_res res;
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@ -596,12 +596,12 @@ fill_out_total_msg(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_counter32(d->c, bgp_stats->tx_messages);
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snmp_varbind_counter32(c, bgp_stats->tx_messages);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_last_err(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_last_err(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill last err");
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enum snmp_search_res res;
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@ -613,12 +613,12 @@ fill_last_err(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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char last_error[2];
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snmp_bgp_last_error(bgp_proto, last_error);
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snmp_varbind_nstr(d->c, last_error, 2);
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snmp_varbind_nstr(c, last_error, 2);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_established_trans(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_established_trans(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill est trans");
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enum snmp_search_res res;
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@ -627,13 +627,13 @@ fill_established_trans(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_counter32(d->c,
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snmp_varbind_counter32(c,
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bgp_stats->fsm_established_transitions);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_established_time(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_established_time(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill est time");
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enum snmp_search_res res;
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@ -643,13 +643,13 @@ fill_established_time(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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return res;
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snmp_varbind_gauge32(d->c,
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snmp_varbind_gauge32(c,
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(current_time() - bgp_proto->last_established) TO_S);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_retry_interval(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_retry_interval(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill retry int");
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enum snmp_search_res res;
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@ -658,12 +658,12 @@ fill_retry_interval(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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snmp_varbind_int(d->c, bgp_conf->connect_retry_time);
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snmp_varbind_int(c, bgp_conf->connect_retry_time);
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return SNMP_SEARCH_OK;
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}
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static enum snmp_search_res
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fill_hold_time(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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fill_hold_time(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
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{
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snmp_log("fill hold time");
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enum snmp_search_res res;
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@ -672,12 +672,12 @@ fill_hold_time(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
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if (res != SNMP_SEARCH_OK)
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return res;
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|
||||
snmp_varbind_int(d->c, (bgp_conn) ? bgp_conn->hold_time : 0);
|
||||
snmp_varbind_int(c, (bgp_conn) ? bgp_conn->hold_time : 0);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
static enum snmp_search_res
|
||||
fill_keep_alive(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
fill_keep_alive(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
|
||||
{
|
||||
snmp_log("fill keepalive");
|
||||
enum snmp_search_res res;
|
||||
@ -687,15 +687,15 @@ fill_keep_alive(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
return res;
|
||||
|
||||
if (!bgp_conf->hold_time)
|
||||
snmp_varbind_int(d->c, 0);
|
||||
snmp_varbind_int(c, 0);
|
||||
else
|
||||
snmp_varbind_int(d->c,
|
||||
snmp_varbind_int(c,
|
||||
(bgp_conn) ? bgp_conn->keepalive_time : 0);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
static enum snmp_search_res
|
||||
fill_hold_time_conf(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
fill_hold_time_conf(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
|
||||
{
|
||||
snmp_log("fill hold time c");
|
||||
enum snmp_search_res res;
|
||||
@ -704,12 +704,12 @@ fill_hold_time_conf(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
if (res != SNMP_SEARCH_OK)
|
||||
return res;
|
||||
|
||||
snmp_varbind_int(d->c, bgp_conf->hold_time);
|
||||
snmp_varbind_int(c, bgp_conf->hold_time);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
static enum snmp_search_res
|
||||
fill_keep_alive_conf(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
fill_keep_alive_conf(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
|
||||
{
|
||||
snmp_log("fill keepalive c");
|
||||
enum snmp_search_res res;
|
||||
@ -720,15 +720,15 @@ fill_keep_alive_conf(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
|
||||
|
||||
if (!bgp_conf->keepalive_time)
|
||||
snmp_varbind_int(d->c, 0);
|
||||
snmp_varbind_int(c, 0);
|
||||
else
|
||||
snmp_varbind_int(d->c,
|
||||
snmp_varbind_int(c,
|
||||
(bgp_conn) ? bgp_conn->keepalive_time : 0);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
static enum snmp_search_res
|
||||
fill_min_as_org_interval(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
fill_min_as_org_interval(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
|
||||
{
|
||||
snmp_log("fill min org int");
|
||||
enum snmp_search_res res;
|
||||
@ -738,12 +738,12 @@ fill_min_as_org_interval(struct mib_walk_state *walk UNUSED, struct snmp_data *d
|
||||
return res;
|
||||
|
||||
/* value should be in 1..65535 but is not supported by bird */
|
||||
snmp_varbind_int(d->c, 0);
|
||||
snmp_varbind_int(c, 0);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
static enum snmp_search_res
|
||||
fill_route_adv_interval(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
fill_route_adv_interval(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
|
||||
{
|
||||
snmp_log("fill rt adv int");
|
||||
enum snmp_search_res res;
|
||||
@ -753,12 +753,12 @@ fill_route_adv_interval(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
return res;
|
||||
|
||||
/* value should be in 1..65535 but is not supported by bird */
|
||||
snmp_varbind_int(d->c, 0);
|
||||
snmp_varbind_int(c, 0);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
static enum snmp_search_res
|
||||
fill_in_update_elapsed_time(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
fill_in_update_elapsed_time(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
|
||||
{
|
||||
snmp_log("fil in elapsed");
|
||||
enum snmp_search_res res;
|
||||
@ -767,19 +767,19 @@ fill_in_update_elapsed_time(struct mib_walk_state *walk UNUSED, struct snmp_data
|
||||
if (res != SNMP_SEARCH_OK)
|
||||
return res;
|
||||
|
||||
snmp_varbind_gauge32(d->c,
|
||||
snmp_varbind_gauge32(c,
|
||||
(current_time() - bgp_proto->last_rx_update) TO_S
|
||||
);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
static enum snmp_search_res
|
||||
fill_local_id(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
fill_local_id(struct mib_walk_state *walk UNUSED, struct snmp_pdu *c)
|
||||
{
|
||||
snmp_log("fill local id");
|
||||
if (LOAD_U8(d->c->sr_vb_start->name.n_subid) != 3)
|
||||
if (LOAD_U8(c->sr_vb_start->name.n_subid) != 3)
|
||||
return SNMP_SEARCH_NO_INSTANCE;
|
||||
snmp_varbind_ip4(d->c, d->p->bgp_local_id);
|
||||
snmp_varbind_ip4(c, c->p->bgp_local_id);
|
||||
return SNMP_SEARCH_OK;
|
||||
}
|
||||
|
||||
@ -787,10 +787,9 @@ fill_local_id(struct mib_walk_state *walk UNUSED, struct snmp_data *d)
|
||||
* bgp4_next_peer
|
||||
*/
|
||||
static int
|
||||
bgp4_next_peer(struct mib_walk_state *state, struct snmp_data *data)
|
||||
bgp4_next_peer(struct mib_walk_state *state, struct snmp_pdu *c)
|
||||
{
|
||||
//struct agentx_varbind *vb = data->c->sr_vb_start;
|
||||
struct oid *oid = &data->c->sr_vb_start->name;
|
||||
struct oid *oid = &c->sr_vb_start->name;
|
||||
|
||||
/* BGP4-MIB::bgpPeerIdentifier */
|
||||
STATIC_OID(9) bgp4_peer_id = {
|
||||
@ -816,14 +815,14 @@ bgp4_next_peer(struct mib_walk_state *state, struct snmp_data *data)
|
||||
int old = snmp_oid_size(oid);
|
||||
int new = snmp_oid_size(peer_oid);
|
||||
|
||||
if (new - old > 0 && (uint) new - old > data->c->size)
|
||||
if (new - old > 0 && (uint) new - old > c->size)
|
||||
{
|
||||
snmp_log("bgp4_next_peer small buffer");
|
||||
snmp_manage_tbuf(data->p, data->c);
|
||||
oid = &data->c->sr_vb_start->name; // TODO fix sr_vb_start in manage_tbuf
|
||||
snmp_manage_tbuf(c->p, c);
|
||||
oid = &c->sr_vb_start->name; // TODO fix sr_vb_start in manage_tbuf
|
||||
}
|
||||
|
||||
data->c->buffer += (new - old);
|
||||
c->buffer += (new - old);
|
||||
|
||||
snmp_oid_copy(oid, peer_oid);
|
||||
STORE_U8(oid->include, 1);
|
||||
@ -840,7 +839,7 @@ bgp4_next_peer(struct mib_walk_state *state, struct snmp_data *data)
|
||||
net_fill_ip4(&net, ip4, IP4_MAX_PREFIX_LENGTH);
|
||||
struct f_trie_walk_state ws;
|
||||
|
||||
int match = trie_walk_init(&ws, data->p->bgp_trie, &net, 1);
|
||||
int match = trie_walk_init(&ws, c->p->bgp_trie, &net, 1);
|
||||
|
||||
if (match && LOAD_U8(oid->include) && precise)
|
||||
{
|
||||
@ -931,7 +930,7 @@ snmp_bgp4_start(struct snmp_proto *p)
|
||||
|
||||
struct {
|
||||
u32 id;
|
||||
enum snmp_search_res (*filler)(struct mib_walk_state *state, struct snmp_data *data);
|
||||
enum snmp_search_res (*filler)(struct mib_walk_state *state, struct snmp_pdu *c);
|
||||
enum agentx_type type;
|
||||
int size;
|
||||
} leafs[] = {
|
||||
@ -977,7 +976,7 @@ snmp_bgp4_start(struct snmp_proto *p)
|
||||
};
|
||||
|
||||
struct {
|
||||
enum snmp_search_res (*filler)(struct mib_walk_state *state, struct snmp_data *data);
|
||||
enum snmp_search_res (*filler)(struct mib_walk_state *state, struct snmp_pdu *c);
|
||||
enum agentx_type type;
|
||||
int size;
|
||||
} entry_leafs[] = {
|
||||
|
||||
@ -41,7 +41,7 @@ struct mib_leaf {
|
||||
* AGENTX_INVALID, it is expected that filler() hook will also fill
|
||||
* the VarBind type.
|
||||
*/
|
||||
enum snmp_search_res (*filler)(struct mib_walk_state *state, struct snmp_data *data);
|
||||
enum snmp_search_res (*filler)(struct mib_walk_state *state, struct snmp_pdu *context);
|
||||
|
||||
/**
|
||||
* call_next - signal multileaf
|
||||
@ -56,7 +56,7 @@ struct mib_leaf {
|
||||
* Hook may be NULL meaning the leaf node is not multileaf/subtree.
|
||||
*
|
||||
*/
|
||||
int (*call_next)(struct mib_walk_state *state, struct snmp_data *data);
|
||||
int (*call_next)(struct mib_walk_state *state, struct snmp_pdu *context);
|
||||
|
||||
/**
|
||||
* type of produced VarBind, may be replaced in packet instanciation by
|
||||
|
||||
@ -12,8 +12,9 @@
|
||||
#include <stdio.h>
|
||||
|
||||
inline void
|
||||
snmp_pdu_context(struct snmp_pdu *pdu, sock *sk)
|
||||
snmp_pdu_context(struct snmp_pdu *pdu, struct snmp_proto *p, sock *sk)
|
||||
{
|
||||
pdu->p = p;
|
||||
pdu->error = AGENTX_RES_NO_ERROR;
|
||||
pdu->buffer = sk->tpos;
|
||||
pdu->size = sk->tbuf + sk->tbsize - sk->tpos;
|
||||
@ -1061,13 +1062,13 @@ snmp_oid_common_ancestor(const struct oid *left, const struct oid *right, struct
|
||||
* SNMP MIB tree walking
|
||||
*/
|
||||
struct mib_leaf *
|
||||
snmp_walk_init(struct mib_tree *tree, struct mib_walk_state *walk, const struct oid *oid, struct snmp_data *data)
|
||||
snmp_walk_init(struct mib_tree *tree, struct mib_walk_state *walk, const struct oid *oid, struct snmp_pdu *c)
|
||||
{
|
||||
mib_tree_walk_init(walk, tree);
|
||||
|
||||
snmp_vb_to_tx(data->p, oid, data->c);
|
||||
snmp_vb_to_tx(c->p, oid, c);
|
||||
|
||||
mib_node_u *node = mib_tree_find(tree, walk, &data->c->sr_vb_start->name);
|
||||
mib_node_u *node = mib_tree_find(tree, walk, &c->sr_vb_start->name);
|
||||
|
||||
// TODO hide me in mib_tree code
|
||||
/* mib_tree_find() returns NULL if the oid is longer than existing any path */
|
||||
@ -1079,7 +1080,7 @@ snmp_walk_init(struct mib_tree *tree, struct mib_walk_state *walk, const struct
|
||||
|
||||
// TODO alter the varbind
|
||||
struct mib_leaf *
|
||||
snmp_walk_next(struct mib_tree *tree, struct mib_walk_state *walk, struct snmp_data *data)
|
||||
snmp_walk_next(struct mib_tree *tree, struct mib_walk_state *walk, struct snmp_pdu *c)
|
||||
{
|
||||
ASSUME(tree && walk);
|
||||
|
||||
@ -1093,52 +1094,52 @@ snmp_walk_next(struct mib_tree *tree, struct mib_walk_state *walk, struct snmp_d
|
||||
|
||||
if (mib_node_is_leaf(node) && leaf->call_next)
|
||||
{
|
||||
const struct oid *oid = &data->c->sr_vb_start->name;
|
||||
const struct oid *oid = &c->sr_vb_start->name;
|
||||
if (mib_tree_walk_oid_compare(walk, oid) > 0)
|
||||
{
|
||||
int old = snmp_oid_size(&data->c->sr_vb_start->name);
|
||||
int old = snmp_oid_size(&c->sr_vb_start->name);
|
||||
if (mib_tree_walk_to_oid(walk,
|
||||
&data->c->sr_vb_start->name, 20 * sizeof(u32)))
|
||||
&c->sr_vb_start->name, 20 * sizeof(u32)))
|
||||
{
|
||||
snmp_log("walk_next copy failed");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int new = snmp_oid_size(&data->c->sr_vb_start->name);
|
||||
data->c->buffer += (new - old);
|
||||
int new = snmp_oid_size(&c->sr_vb_start->name);
|
||||
c->buffer += (new - old);
|
||||
}
|
||||
|
||||
found = !leaf->call_next(walk, data);
|
||||
found = !leaf->call_next(walk, c);
|
||||
}
|
||||
else if (mib_node_is_leaf(node) && LOAD_U8(data->c->sr_vb_start->name.include))
|
||||
else if (mib_node_is_leaf(node) && LOAD_U8(c->sr_vb_start->name.include))
|
||||
{
|
||||
found = 1;
|
||||
STORE_U8(data->c->sr_vb_start->name.include, 0);
|
||||
STORE_U8(c->sr_vb_start->name.include, 0);
|
||||
}
|
||||
|
||||
const struct oid *oid = &data->c->sr_vb_start->name;
|
||||
const struct oid *oid = &c->sr_vb_start->name;
|
||||
u32 skip = (walk->id_pos < LOAD_U8(oid->n_subid)) ?
|
||||
LOAD_U32(oid->ids[walk->id_pos]) : 0;
|
||||
while (!found && (leaf = mib_tree_walk_next_leaf(tree, walk, skip)) != NULL)
|
||||
{
|
||||
/* mib_tree_walk_next() forces VarBind's name OID overwriting */
|
||||
int old = snmp_oid_size(&data->c->sr_vb_start->name);
|
||||
int old = snmp_oid_size(&c->sr_vb_start->name);
|
||||
// TODO autogrow
|
||||
if (mib_tree_walk_to_oid(walk, &data->c->sr_vb_start->name, 20 * sizeof(u32)))
|
||||
if (mib_tree_walk_to_oid(walk, &c->sr_vb_start->name, 20 * sizeof(u32)))
|
||||
{
|
||||
snmp_log("walk_next copy failed");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int new = snmp_oid_size(&data->c->sr_vb_start->name);
|
||||
data->c->buffer += (new - old);
|
||||
int new = snmp_oid_size(&c->sr_vb_start->name);
|
||||
c->buffer += (new - old);
|
||||
|
||||
if (leaf->call_next && !leaf->call_next(walk, data))
|
||||
if (leaf->call_next && !leaf->call_next(walk, c))
|
||||
found = 1;
|
||||
else if (!leaf->call_next)
|
||||
found = 1;
|
||||
|
||||
oid = &data->c->sr_vb_start->name;
|
||||
oid = &c->sr_vb_start->name;
|
||||
skip = (walk->id_pos < LOAD_U8(oid->n_subid)) ?
|
||||
LOAD_U32(oid->ids[walk->id_pos]) : 0;
|
||||
}
|
||||
@ -1150,9 +1151,9 @@ snmp_walk_next(struct mib_tree *tree, struct mib_walk_state *walk, struct snmp_d
|
||||
}
|
||||
|
||||
enum snmp_search_res
|
||||
snmp_walk_fill(struct mib_leaf *leaf, struct mib_walk_state *walk, struct snmp_data *data)
|
||||
snmp_walk_fill(struct mib_leaf *leaf, struct mib_walk_state *walk, struct snmp_pdu *c)
|
||||
{
|
||||
struct agentx_varbind *vb = data->c->sr_vb_start;
|
||||
struct agentx_varbind *vb = c->sr_vb_start;
|
||||
|
||||
if (!leaf)
|
||||
return SNMP_SEARCH_NO_OBJECT;
|
||||
@ -1177,15 +1178,15 @@ snmp_walk_fill(struct mib_leaf *leaf, struct mib_walk_state *walk, struct snmp_d
|
||||
|
||||
snmp_log("walk_fill got size %u based on lt %u ls %u, calling filler()", size, leaf->type, leaf->size);
|
||||
|
||||
if (size >= data->c->size)
|
||||
if (size >= c->size)
|
||||
{
|
||||
snmp_log("walk_fill small buffer size %d to %d", size, data->c->size);
|
||||
snmp_manage_tbuf(data->p, data->c);
|
||||
snmp_log("walk_fill small buffer size %d to %d", size, c->size);
|
||||
snmp_manage_tbuf(c->p, c);
|
||||
}
|
||||
|
||||
enum snmp_search_res res = leaf->filler(walk, data);
|
||||
enum snmp_search_res res = leaf->filler(walk, c);
|
||||
|
||||
vb = data->c->sr_vb_start;
|
||||
vb = c->sr_vb_start;
|
||||
|
||||
if (res != SNMP_SEARCH_OK)
|
||||
snmp_set_varbind_type(vb, snmp_search_res_to_type(res));
|
||||
|
||||
@ -62,7 +62,7 @@ void snmp_varbind_duplicate_hdr(struct snmp_proto *p, struct agentx_varbind **vb
|
||||
*/
|
||||
void snmp_session(const struct snmp_proto *p, struct agentx_header *h);
|
||||
int snmp_has_context(const struct agentx_header *h);
|
||||
void snmp_pdu_context(struct snmp_pdu *pdu, sock *sk);
|
||||
void snmp_pdu_context(struct snmp_pdu *pdu, struct snmp_proto *p, sock *sk);
|
||||
struct oid *snmp_oid_duplicate(pool *pool, const struct oid *oid);
|
||||
struct oid *snmp_oid_blank(struct snmp_proto *p);
|
||||
|
||||
@ -114,8 +114,8 @@ enum agentx_type snmp_search_res_to_type(enum snmp_search_res res);
|
||||
/*
|
||||
* SNMP MIB tree walking
|
||||
*/
|
||||
struct mib_leaf *snmp_walk_init(struct mib_tree *tree, struct mib_walk_state *state, const struct oid *start_rx, struct snmp_data *data);
|
||||
struct mib_leaf *snmp_walk_next(struct mib_tree *tree, struct mib_walk_state *state, struct snmp_data *data);
|
||||
enum snmp_search_res snmp_walk_fill(struct mib_leaf *leaf, struct mib_walk_state *state, struct snmp_data *data);
|
||||
struct mib_leaf *snmp_walk_init(struct mib_tree *tree, struct mib_walk_state *state, const struct oid *start_rx, struct snmp_pdu *context);
|
||||
struct mib_leaf *snmp_walk_next(struct mib_tree *tree, struct mib_walk_state *state, struct snmp_pdu *context);
|
||||
enum snmp_search_res snmp_walk_fill(struct mib_leaf *leaf, struct mib_walk_state *state, struct snmp_pdu *context);
|
||||
|
||||
#endif
|
||||
|
||||
@ -169,7 +169,7 @@ snmp_simple_response(struct snmp_proto *p, enum agentx_response_errs error, u16
|
||||
{
|
||||
sock *sk = p->sock;
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
ASSUME(c.size >= sizeof(struct agentx_response));
|
||||
|
||||
@ -193,7 +193,7 @@ open_pdu(struct snmp_proto *p, struct oid *oid)
|
||||
sock *sk = p->sock;
|
||||
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
#define TIMEOUT_SIZE sizeof(u32) /* 1B timeout, 3B zero padding */
|
||||
|
||||
@ -247,7 +247,7 @@ snmp_notify_pdu(struct snmp_proto *p, struct oid *oid, void *data, uint size, in
|
||||
sock *sk = p->sock;
|
||||
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
#define UPTIME_SIZE \
|
||||
sizeof( struct { u32 vb_type; u32 oid_hdr; u32 ids[4]; } )
|
||||
@ -352,7 +352,7 @@ un_register_pdu(struct snmp_proto *p, struct oid *oid, u32 bound, uint index, en
|
||||
const struct snmp_config *cf = SKIP_BACK(struct snmp_config, cf, p->p.cf);
|
||||
sock *sk = p->sock;
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
#define BOUND_SIZE sizeof(u32)
|
||||
/* conditional +4 for upper-bound (optinal field) */
|
||||
@ -441,7 +441,7 @@ close_pdu(struct snmp_proto *p, enum agentx_close_reasons reason)
|
||||
{
|
||||
sock *sk = p->sock;
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
#define REASON_SIZE sizeof(u32)
|
||||
if (c.size < AGENTX_HEADER_SIZE + REASON_SIZE)
|
||||
@ -538,7 +538,7 @@ parse_test_set_pdu(struct snmp_proto *p, byte * const pkt_start)
|
||||
|
||||
sock *sk = p->sock;
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
if (c.size < AGENTX_HEADER_SIZE)
|
||||
{
|
||||
@ -601,7 +601,7 @@ parse_sets_pdu(struct snmp_proto *p, byte * const pkt_start, enum agentx_respons
|
||||
}
|
||||
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, p->sock);
|
||||
snmp_pdu_context(&c, p, p->sock);
|
||||
if (c.size < sizeof(struct agentx_response))
|
||||
{
|
||||
snmp_log("parse_sets_pdu small buffer");
|
||||
@ -1081,18 +1081,14 @@ void
|
||||
snmp_get_pdu(struct snmp_proto *p, struct snmp_pdu *c, const struct oid *o_start, struct mib_walk_state *walk)
|
||||
{
|
||||
snmp_log("snmp_get_pdu()");
|
||||
struct snmp_data d = {
|
||||
.p = p,
|
||||
.c = c,
|
||||
};
|
||||
|
||||
struct mib_leaf *leaf;
|
||||
leaf = snmp_walk_init(p->mib_tree, walk, o_start, &d);
|
||||
leaf = snmp_walk_init(p->mib_tree, walk, o_start, c);
|
||||
|
||||
snmp_log("found node %p", leaf);
|
||||
|
||||
enum snmp_search_res res;
|
||||
res = snmp_walk_fill(leaf, walk, &d);
|
||||
res = snmp_walk_fill(leaf, walk, c);
|
||||
|
||||
snmp_log("fill result %u", res);
|
||||
|
||||
@ -1103,16 +1099,11 @@ snmp_get_pdu(struct snmp_proto *p, struct snmp_pdu *c, const struct oid *o_start
|
||||
int
|
||||
snmp_get_next_pdu(struct snmp_proto *p, struct snmp_pdu *c, const struct oid *o_start, struct mib_walk_state *walk)
|
||||
{
|
||||
struct snmp_data d = {
|
||||
.p = p,
|
||||
.c = c,
|
||||
};
|
||||
|
||||
(void) snmp_walk_init(p->mib_tree, walk, o_start, &d);
|
||||
struct mib_leaf *leaf = snmp_walk_next(p->mib_tree, walk, &d);
|
||||
(void) snmp_walk_init(p->mib_tree, walk, o_start, c);
|
||||
struct mib_leaf *leaf = snmp_walk_next(p->mib_tree, walk, c);
|
||||
|
||||
enum snmp_search_res res;
|
||||
res = snmp_walk_fill(leaf, walk, &d);
|
||||
res = snmp_walk_fill(leaf, walk, c);
|
||||
|
||||
if (res != SNMP_SEARCH_OK)
|
||||
snmp_set_varbind_type(c->sr_vb_start, AGENTX_END_OF_MIB_VIEW);
|
||||
@ -1204,7 +1195,7 @@ parse_gets_pdu(struct snmp_proto *p, byte * const pkt_start)
|
||||
|
||||
sock *sk = p->sock;
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
/*
|
||||
* Get-Bulk processing stops if all the varbind have type END_OF_MIB_VIEW
|
||||
@ -1396,7 +1387,7 @@ snmp_ping(struct snmp_proto *p)
|
||||
|
||||
sock *sk = p->sock;
|
||||
struct snmp_pdu c;
|
||||
snmp_pdu_context(&c, sk);
|
||||
snmp_pdu_context(&c, p, sk);
|
||||
|
||||
if (c.size < AGENTX_HEADER_SIZE)
|
||||
return;
|
||||
@ -1480,11 +1471,11 @@ snmp_manage_tbuf2(struct snmp_proto *p, void **ptr, struct snmp_pdu *c)
|
||||
}
|
||||
|
||||
void
|
||||
snmp_tbuf_reserve(struct snmp_data *data, size_t size)
|
||||
snmp_tbuf_reserve(struct snmp_pdu *c, size_t size)
|
||||
{
|
||||
if (size > data->c->size)
|
||||
if (size > c->size)
|
||||
{
|
||||
snmp_manage_tbuf(data->p, data->c);
|
||||
snmp_manage_tbuf(c->p, c);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -305,7 +305,8 @@ enum agentx_response_errs {
|
||||
|
||||
/* SNMP PDU info */
|
||||
struct snmp_pdu {
|
||||
/* TX buffer */
|
||||
struct snmp_proto *p;
|
||||
/* TX buffer */
|
||||
byte *buffer; /* pointer to buffer */
|
||||
uint size; /* unused space in buffer */
|
||||
|
||||
@ -316,17 +317,6 @@ struct snmp_pdu {
|
||||
/* Control */
|
||||
enum agentx_response_errs error; /* storage for result of current action */
|
||||
u32 index; /* index on which the error was found */
|
||||
|
||||
};
|
||||
|
||||
/*
|
||||
* snmp_data - Comprehensive hadle for Agentx PDU state
|
||||
* @p: SNMP protocol instance
|
||||
* @c: contextual data for currrently constructed AgentX PDU
|
||||
*/
|
||||
struct snmp_data {
|
||||
struct snmp_proto *p;
|
||||
struct snmp_pdu *c;
|
||||
};
|
||||
|
||||
struct snmp_packet_info {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user