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sharpd: add v4 redistribute watching 

Add the ability for sharpd to watch v4 redistribution events

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2021-05-03 19:35:36 -04:00
parent 83187b8285
commit 921af54db9
4 changed files with 41 additions and 0 deletions
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5
doc/user/sharp.rst
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@ -83,6 +83,11 @@ keyword. At present, no sharp commands will be preserved in the config.
Allow end user to dump associated data with the nexthop tracking that
may have been turned on.
.. clicmd:: sharp watch [vrf NAME] redistribute ROUTETYPE
Allow end user to monitor redistributed routes of ROUTETYPE
origin.
.. clicmd:: sharp lsp [update] (0-100000) nexthop-group NAME [prefix A.B.C.D/M TYPE [instance (0-255)]]
Install an LSP using the specified in-label, with nexthops as

28
sharpd/sharp_vty.c
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@ -39,6 +39,33 @@
#include "sharpd/sharp_vty_clippy.c"
#endif
DEFPY(watch_redistribute, watch_redistribute_cmd,
"sharp watch [vrf NAME$vrf_name] redistribute " FRR_REDIST_STR_SHARPD,
"Sharp routing Protocol\n"
"Watch for changes\n"
"The vrf we would like to watch if non-default\n"
"The NAME of the vrf\n"
"Redistribute into Sharp\n"
FRR_REDIST_HELP_STR_SHARPD)
{
struct vrf *vrf;
int source;
if (!vrf_name)
vrf_name = VRF_DEFAULT_NAME;
vrf = vrf_lookup_by_name(vrf_name);
if (!vrf) {
vty_out(vty, "The vrf NAME specified: %s does not exist\n",
vrf_name);
return CMD_WARNING;
}
source = proto_redistnum(AFI_IP, argv[argc-1]->text);
sharp_redistribute_vrf(vrf, source);
return CMD_SUCCESS;
}
DEFPY(watch_nexthop_v6, watch_nexthop_v6_cmd,
"sharp watch [vrf NAME$vrf_name] <nexthop$n X:X::X:X$nhop|import$import X:X::X:X/M$inhop> [connected$connected]",
"Sharp routing Protocol\n"
@ -844,6 +871,7 @@ void sharp_vty_init(void)
install_element(ENABLE_NODE, &remove_routes_cmd);
install_element(ENABLE_NODE, &vrf_label_cmd);
install_element(ENABLE_NODE, &sharp_nht_data_dump_cmd);
install_element(ENABLE_NODE, &watch_redistribute_cmd);
install_element(ENABLE_NODE, &watch_nexthop_v6_cmd);
install_element(ENABLE_NODE, &watch_nexthop_v4_cmd);
install_element(ENABLE_NODE, &sharp_lsp_prefix_v4_cmd);

6
sharpd/sharp_zebra.c
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@ -714,6 +714,12 @@ static int sharp_redistribute_route(ZAPI_CALLBACK_ARGS)
return 0;
}
void sharp_redistribute_vrf(struct vrf *vrf, int type)
{
zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP, type,
0, vrf->vrf_id);
}
/* Add a zclient with a specified session id, for testing. */
int sharp_zclient_create(uint32_t session_id)
{

2
sharpd/sharp_zebra.h
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@ -63,4 +63,6 @@ extern void sharp_zebra_send_arp(const struct interface *ifp,
/* Register Link State Opaque messages */
extern void sharp_zebra_register_te(void);
extern void sharp_redistribute_vrf(struct vrf *vrf, int source);
#endif