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pimd: Implement show ip pim bsm-database
This command shows all the fragments of the last received preferred BSM. This displayed in readable format. Sw3# sh ip pim bsm-database Scope Zone: Global Number of the fragments: 1 BSM Fragment : 1 ------------------ BSR-Address BSR-Priority Hashmask-len Fragment-Tag 30.0.0.100 0 0 3289 Group : 225.1.1.1/32 ------------------- Rp Count:9 Fragment Rp Count : 9 RpAddress HoldTime Priority 20.0.0.2 150 0 2.2.2.2 150 0 9.9.9.10 150 0 7.7.2.7 150 0 7.2.2.7 150 0 7.7.9.7 150 0 7.8.9.10 150 0 7.5.2.7 150 0 9.10.9.10 150 0 Group : 226.1.1.1/32 ------------------- Rp Count:1 Fragment Rp Count : 1 RpAddress HoldTime Priority 9.9.9.9 150 0 Signed-off-by: Saravanan K <saravanank@vmware.com>
This commit is contained in:
saravanank
parent
6bb2ef3595
commit
0d1a4e24c2
179
pimd/pim_cmd.c
179
pimd/pim_cmd.c
@ -2865,6 +2865,164 @@ static void pim_show_nexthop(struct pim_instance *pim, struct vty *vty)
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hash_walk(pim->rpf_hash, pim_print_pnc_cache_walkcb, &cwd);
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}
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/* Display the bsm database details */
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static void pim_show_bsm_db(struct pim_instance *pim, struct vty *vty, bool uj)
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{
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struct listnode *bsmnode;
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int count = 0;
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int fragment = 1;
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struct bsm_info *bsm;
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json_object *json = NULL;
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json_object *json_group = NULL;
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json_object *json_row = NULL;
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count = pim->global_scope.bsm_list->count;
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if (uj) {
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json = json_object_new_object();
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json_object_int_add(json, "Number of the fragments", count);
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} else {
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vty_out(vty, "Scope Zone: Global\n");
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vty_out(vty, "Number of the fragments: %d\n", count);
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vty_out(vty, "\n");
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}
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for (ALL_LIST_ELEMENTS_RO(pim->global_scope.bsm_list, bsmnode, bsm)) {
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char grp_str[INET_ADDRSTRLEN];
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char rp_str[INET_ADDRSTRLEN];
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char bsr_str[INET_ADDRSTRLEN];
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struct bsmmsg_grpinfo *group;
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struct bsmmsg_rpinfo *rpaddr;
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struct prefix grp;
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struct bsm_hdr *hdr;
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uint32_t offset = 0;
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uint8_t *buf;
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uint32_t len = 0;
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uint32_t frag_rp_cnt = 0;
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buf = bsm->bsm;
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len = bsm->size;
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/* skip pim header */
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buf += PIM_MSG_HEADER_LEN;
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len -= PIM_MSG_HEADER_LEN;
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hdr = (struct bsm_hdr *)buf;
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/* BSM starts with bsr header */
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buf += sizeof(struct bsm_hdr);
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len -= sizeof(struct bsm_hdr);
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pim_inet4_dump("<BSR Address?>", hdr->bsr_addr.addr, bsr_str,
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sizeof(bsr_str));
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if (uj) {
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json_object_string_add(json, "BSR address", bsr_str);
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json_object_int_add(json, "BSR priority",
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hdr->bsr_prio);
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json_object_int_add(json, "Hashmask Length",
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hdr->hm_len);
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json_object_int_add(json, "Fragment Tag",
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ntohs(hdr->frag_tag));
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} else {
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vty_out(vty, "BSM Fragment : %d\n", fragment);
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vty_out(vty, "------------------\n");
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vty_out(vty, "%-15s %-15s %-15s %-15s\n", "BSR-Address",
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"BSR-Priority", "Hashmask-len", "Fragment-Tag");
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vty_out(vty, "%-15s %-15d %-15d %-15d\n", bsr_str,
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hdr->bsr_prio, hdr->hm_len,
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ntohs(hdr->frag_tag));
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}
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vty_out(vty, "\n");
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while (offset < len) {
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group = (struct bsmmsg_grpinfo *)buf;
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if (group->group.family == PIM_MSG_ADDRESS_FAMILY_IPV4)
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grp.family = AF_INET;
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grp.prefixlen = group->group.mask;
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grp.u.prefix4.s_addr = group->group.addr.s_addr;
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prefix2str(&grp, grp_str, sizeof(grp_str));
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buf += sizeof(struct bsmmsg_grpinfo);
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offset += sizeof(struct bsmmsg_grpinfo);
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if (uj) {
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json_object_object_get_ex(json, grp_str,
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&json_group);
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if (!json_group) {
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json_group = json_object_new_object();
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json_object_int_add(json_group,
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"Rp Count",
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group->rp_count);
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json_object_int_add(
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json_group, "Fragment Rp count",
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group->frag_rp_count);
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json_object_object_add(json, grp_str,
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json_group);
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}
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} else {
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vty_out(vty, "Group : %s\n", grp_str);
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vty_out(vty, "-------------------\n");
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vty_out(vty, "Rp Count:%d\n", group->rp_count);
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vty_out(vty, "Fragment Rp Count : %d\n",
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group->frag_rp_count);
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}
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frag_rp_cnt = group->frag_rp_count;
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if (!frag_rp_cnt)
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continue;
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if (!uj)
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vty_out(vty,
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"RpAddress HoldTime Priority\n");
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while (frag_rp_cnt--) {
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rpaddr = (struct bsmmsg_rpinfo *)buf;
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buf += sizeof(struct bsmmsg_rpinfo);
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offset += sizeof(struct bsmmsg_rpinfo);
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pim_inet4_dump("<Rp addr?>",
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rpaddr->rpaddr.addr, rp_str,
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sizeof(rp_str));
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if (uj) {
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json_row = json_object_new_object();
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json_object_string_add(
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json_row, "Rp Address", rp_str);
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json_object_int_add(
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json_row, "Rp HoldTime",
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ntohs(rpaddr->rp_holdtime));
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json_object_int_add(json_row,
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"Rp Priority",
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rpaddr->rp_pri);
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json_object_object_add(
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json_group, rp_str, json_row);
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} else {
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vty_out(vty, "%-15s %-12d %d\n", rp_str,
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ntohs(rpaddr->rp_holdtime),
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rpaddr->rp_pri);
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}
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}
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vty_out(vty, "\n");
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}
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fragment++;
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}
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if (uj) {
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vty_out(vty, "%s\n", json_object_to_json_string_ext(
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json, JSON_C_TO_STRING_PRETTY));
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json_object_free(json);
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}
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}
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static void igmp_show_groups(struct pim_instance *pim, struct vty *vty, bool uj)
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{
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struct interface *ifp;
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@ -4512,6 +4670,26 @@ DEFUN (show_ip_pim_interface_traffic,
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return CMD_SUCCESS;
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}
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DEFUN (show_ip_pim_bsm_db,
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show_ip_pim_bsm_db_cmd,
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"show ip pim bsm-database [vrf NAME] [json]",
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SHOW_STR
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IP_STR
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PIM_STR
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VRF_CMD_HELP_STR
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"PIM cached bsm packets information\n"
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JSON_STR)
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{
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int idx = 2;
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struct vrf *vrf = pim_cmd_lookup_vrf(vty, argv, argc, &idx);
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bool uj = use_json(argc, argv);
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if (!vrf)
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return CMD_WARNING;
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pim_show_bsm_db(vrf->info, vty, uj);
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return CMD_SUCCESS;
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}
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static void show_multicast_interfaces(struct pim_instance *pim, struct vty *vty)
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{
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struct interface *ifp;
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@ -9555,6 +9733,7 @@ void pim_cmd_init(void)
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install_element(VIEW_NODE, &show_debugging_pim_cmd);
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install_element(VIEW_NODE, &show_ip_pim_nexthop_cmd);
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install_element(VIEW_NODE, &show_ip_pim_nexthop_lookup_cmd);
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install_element(VIEW_NODE, &show_ip_pim_bsm_db_cmd);
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install_element(ENABLE_NODE, &clear_ip_interfaces_cmd);
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install_element(ENABLE_NODE, &clear_ip_igmp_interfaces_cmd);
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