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pimd: Add ability to select join S,G for 'show ip pim join`

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Add a bit of code to allow us to look at specified S,G for
the upstream available to us.

If one item is listed we assume Group, if both we assume Source
then Group.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2019-04-18 16:23:02 -04:00
parent dff5cedb56
commit 6de45bcc61
1 changed files with 38 additions and 9 deletions
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47
pimd/pim_cmd.c
View File

@ -1696,7 +1696,8 @@ static void pim_show_join_helper(struct vty *vty, struct pim_interface *pim_ifp,
}
}
static void pim_show_join(struct pim_instance *pim, struct vty *vty, bool uj)
static void pim_show_join(struct pim_instance *pim, struct vty *vty,
struct prefix_sg *sg, bool uj)
{
struct pim_interface *pim_ifp;
struct pim_ifchannel *ch;
@ -1718,6 +1719,12 @@ static void pim_show_join(struct pim_instance *pim, struct vty *vty, bool uj)
continue;
RB_FOREACH (ch, pim_ifchannel_rb, &pim_ifp->ifchannel_rb) {
if (sg->grp.s_addr != 0
&& sg->grp.s_addr != ch->sg.grp.s_addr)
continue;
if (sg->src.s_addr != 0
&& sg->src.s_addr != ch->sg.src.s_addr)
continue;
pim_show_join_helper(vty, pim_ifp, ch, json, now, uj);
} /* scan interface channels */
}
@ -3782,24 +3789,45 @@ DEFUN (show_ip_pim_interface_vrf_all,
return CMD_SUCCESS;
}
DEFUN (show_ip_pim_join,
DEFPY (show_ip_pim_join,
show_ip_pim_join_cmd,
"show ip pim [vrf NAME] join [json]",
"show ip pim [vrf NAME] join [A.B.C.D$s_or_g [A.B.C.D$g]] [json$json]",
SHOW_STR
IP_STR
PIM_STR
VRF_CMD_HELP_STR
"PIM interface join information\n"
"The Source or Group\n"
"The Group\n"
JSON_STR)
{
int idx = 2;
struct vrf *vrf = pim_cmd_lookup_vrf(vty, argv, argc, &idx);
bool uj = use_json(argc, argv);
struct prefix_sg sg = {0};
struct vrf *v;
bool uj = !!json;
struct pim_instance *pim;
if (!vrf)
v = vrf_lookup_by_name(vrf ? vrf : VRF_DEFAULT_NAME);
if (!v) {
vty_out(vty, "%% Vrf specified: %s does not exist\n", vrf);
return CMD_WARNING;
}
pim = pim_get_pim_instance(v->vrf_id);
pim_show_join(vrf->info, vty, uj);
if (!pim) {
vty_out(vty, "%% Unable to find pim instance\n");
return CMD_WARNING;
}
if (s_or_g.s_addr != 0) {
if (g.s_addr != 0) {
sg.src = s_or_g;
sg.grp = g;
} else
sg.grp = s_or_g;
}
pim_show_join(pim, vty, &sg, uj);
return CMD_SUCCESS;
}
@ -3814,6 +3842,7 @@ DEFUN (show_ip_pim_join_vrf_all,
"PIM interface join information\n"
JSON_STR)
{
struct prefix_sg sg = {0};
bool uj = use_json(argc, argv);
struct vrf *vrf;
bool first = true;
@ -3828,7 +3857,7 @@ DEFUN (show_ip_pim_join_vrf_all,
first = false;
} else
vty_out(vty, "VRF: %s\n", vrf->name);
pim_show_join(vrf->info, vty, uj);
pim_show_join(vrf->info, vty, &sg, uj);
}
if (uj)
vty_out(vty, "}\n");