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bgpd: add json support for show bgp statistics command

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add json support for show bgp statistics command.
The title of the stats entry is aggregated without spaces.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2020-02-14 14:36:58 +01:00
parent 2349b827e5
commit 893cccd057
1 changed files with 195 additions and 67 deletions
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262
bgpd/bgp_route.c
View File

@ -10552,8 +10552,44 @@ DEFUN (show_ip_bgp_large_community,
}
static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi,
safi_t safi);
safi_t safi, struct json_object *json);
/* BGP route print out function without JSON */
DEFUN (show_ip_bgp_afi_safi_statistics,
show_ip_bgp_afi_safi_statistics_cmd,
"show [ip] bgp [<view|vrf> VIEWVRFNAME] ["BGP_AFI_CMD_STR" ["BGP_SAFI_WITH_LABEL_CMD_STR"]]\
statistics [json]",
SHOW_STR
IP_STR
BGP_STR
BGP_INSTANCE_HELP_STR
BGP_AFI_HELP_STR
BGP_SAFI_WITH_LABEL_HELP_STR
"BGP RIB advertisement statistics\n"
JSON_STR)
{
afi_t afi = AFI_IP6;
safi_t safi = SAFI_UNICAST;
struct bgp *bgp = NULL;
int idx = 0, ret;
bool uj = use_json(argc, argv);
struct json_object *json = NULL;
bgp_vty_find_and_parse_afi_safi_bgp(vty, argv, argc, &idx, &afi, &safi,
&bgp, false);
if (!idx)
return CMD_WARNING;
if (uj)
json = json_object_new_array();
ret = bgp_table_stats(vty, bgp, afi, safi, json);
if (json) {
vty_out(vty, "%s\n", json_object_to_json_string_ext(
json, JSON_C_TO_STRING_PRETTY));
json_object_free(json);
}
return ret;
}
/* BGP route print out function without JSON */
DEFUN (show_ip_bgp,
@ -10563,11 +10599,10 @@ DEFUN (show_ip_bgp,
|route-map WORD\
|prefix-list WORD\
|filter-list WORD\
|statistics\
|community-list <(1-500)|WORD> [exact-match]\
|A.B.C.D/M longer-prefixes\
|X:X::X:X/M longer-prefixes\
>",
>",
SHOW_STR
IP_STR
BGP_STR
@ -10582,7 +10617,6 @@ DEFUN (show_ip_bgp,
"Prefix-list name\n"
"Display routes conforming to the filter-list\n"
"Regular expression access list name\n"
"BGP RIB advertisement statistics\n"
"Display routes matching the community-list\n"
"community-list number\n"
"community-list name\n"
@ -10616,9 +10650,6 @@ DEFUN (show_ip_bgp,
return bgp_show_filter_list(vty, bgp, argv[idx + 1]->arg, afi,
safi, bgp_show_type_filter_list);
if (argv_find(argv, argc, "statistics", &idx))
return bgp_table_stats(vty, bgp, afi, safi);
if (argv_find(argv, argc, "route-map", &idx))
return bgp_show_route_map(vty, bgp, argv[idx + 1]->arg, afi,
safi, bgp_show_type_route_map);
@ -11028,22 +11059,32 @@ enum bgp_stats {
BGP_STATS_MAX,
};
static const char *const table_stats_strs[] = {
[BGP_STATS_PREFIXES] = "Total Prefixes",
[BGP_STATS_TOTPLEN] = "Average prefix length",
[BGP_STATS_RIB] = "Total Advertisements",
[BGP_STATS_UNAGGREGATEABLE] = "Unaggregateable prefixes",
[BGP_STATS_MAX_AGGREGATEABLE] =
"Maximum aggregateable prefixes",
[BGP_STATS_AGGREGATES] = "BGP Aggregate advertisements",
[BGP_STATS_SPACE] = "Address space advertised",
[BGP_STATS_ASPATH_COUNT] = "Advertisements with paths",
[BGP_STATS_ASPATH_MAXHOPS] = "Longest AS-Path (hops)",
[BGP_STATS_ASPATH_MAXSIZE] = "Largest AS-Path (bytes)",
[BGP_STATS_ASPATH_TOTHOPS] = "Average AS-Path length (hops)",
[BGP_STATS_ASPATH_TOTSIZE] = "Average AS-Path size (bytes)",
[BGP_STATS_ASN_HIGHEST] = "Highest public ASN",
[BGP_STATS_MAX] = NULL,
#define TABLE_STATS_IDX_VTY 0
#define TABLE_STATS_IDX_JSON 1
static const char *table_stats_strs[][2] = {
[BGP_STATS_PREFIXES] = {"Total Prefixes", "TotalPrefixes"},
[BGP_STATS_TOTPLEN] = {"Average prefix length", "AveragePrefixLength"},
[BGP_STATS_RIB] = {"Total Advertisements", "TotalAdvertisements"},
[BGP_STATS_UNAGGREGATEABLE] =
{"Unaggregateable prefixes", "UnaggregateablePrefixes"},
[BGP_STATS_MAX_AGGREGATEABLE] =
{"Maximum aggregateable prefixes", "MaximumAggregateablePrefixes"},
[BGP_STATS_AGGREGATES] =
{"BGP Aggregate advertisements", "BgpAggregateAdvertisements"},
[BGP_STATS_SPACE] = {"Address space advertised","AddressSpaceAdvertised"},
[BGP_STATS_ASPATH_COUNT] =
{"Advertisements with paths", "AdvertisementsWithPaths"},
[BGP_STATS_ASPATH_MAXHOPS] =
{"Longest AS-Path (hops)", "LongestAsPath"},
[BGP_STATS_ASPATH_MAXSIZE] =
{"Largest AS-Path (bytes)","LargestAsPath"},
[BGP_STATS_ASPATH_TOTHOPS] =
{"Average AS-Path length (hops)", "AverageAsPathLengthHops"},
[BGP_STATS_ASPATH_TOTSIZE] =
{"Average AS-Path size (bytes)", "AverageAsPathSizeBytes"},
[BGP_STATS_ASN_HIGHEST] = {"Highest public ASN","HighestPublicAsn"},
[BGP_STATS_MAX] = {NULL, NULL}
};
struct bgp_table_stats {
@ -11188,18 +11229,37 @@ static int bgp_table_stats_walker(struct thread *t)
}
static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi,
safi_t safi)
safi_t safi, json_object *json)
{
struct bgp_table_stats ts;
unsigned int i;
int ret = CMD_SUCCESS;
char temp_buf[20];
json_object *json_2 = NULL;
if (json) {
json_2 = json_object_new_object();
json_object_string_add(json_2, "afi", afi2str(afi));
json_object_string_add(json_2, "safi", safi2str(safi));
}
if (!bgp->rib[afi][safi]) {
vty_out(vty, "%% No RIB exist's for the AFI(%d)/SAFI(%d)\n",
afi, safi);
return CMD_WARNING;
char warning_msg[50];
snprintf(warning_msg, sizeof(warning_msg),
"%% No RIB exist's for the AFI(%d)/SAFI(%d)",
afi, safi);
if (!json_2)
vty_out(vty, "%s\n", warning_msg);
else
json_object_string_add(json_2, "warning",
warning_msg);
ret = CMD_WARNING;
goto end_table_stats;
}
vty_out(vty, "BGP %s RIB statistics\n", get_afi_safi_str(afi, safi, false));
if (!json)
vty_out(vty, "BGP %s RIB statistics\n",
get_afi_safi_str(afi, safi, false));
/* labeled-unicast routes live in the unicast table */
if (safi == SAFI_LABELED_UNICAST)
@ -11210,7 +11270,8 @@ static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi,
thread_execute(bm->master, bgp_table_stats_walker, &ts, 0);
for (i = 0; i < BGP_STATS_MAX; i++) {
if (!table_stats_strs[i])
if ((!json_2 && !table_stats_strs[i][TABLE_STATS_IDX_VTY]) ||
(json_2 && !table_stats_strs[i][TABLE_STATS_IDX_JSON]))
continue;
switch (i) {
@ -11225,54 +11286,120 @@ static int bgp_table_stats(struct vty *vty, struct bgp *bgp, afi_t afi,
#endif
case BGP_STATS_ASPATH_TOTHOPS:
case BGP_STATS_ASPATH_TOTSIZE:
vty_out(vty, "%-30s: ", table_stats_strs[i]);
vty_out(vty, "%12.2f",
ts.counts[i]
? (float)ts.counts[i]
/ (float)ts.counts
[BGP_STATS_ASPATH_COUNT]
: 0);
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12.2f",
ts.counts[i] ? (float)ts.counts[i] /
(float)ts.counts[BGP_STATS_ASPATH_COUNT] : 0);
vty_out(vty, "%-30s: %s",
table_stats_strs[i][TABLE_STATS_IDX_VTY],
temp_buf);
} else {
snprintf(temp_buf, sizeof(temp_buf), "%.2f",
ts.counts[i] ? (float)ts.counts[i] /
(float)ts.counts[BGP_STATS_ASPATH_COUNT] : 0);
json_object_string_add(json_2,
table_stats_strs[i][TABLE_STATS_IDX_JSON],
temp_buf);
}
break;
case BGP_STATS_TOTPLEN:
vty_out(vty, "%-30s: ", table_stats_strs[i]);
vty_out(vty, "%12.2f",
ts.counts[i]
? (float)ts.counts[i]
/ (float)ts.counts
[BGP_STATS_PREFIXES]
: 0);
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12.2f",
ts.counts[i] ? (float)ts.counts[i] /
(float)ts.counts[BGP_STATS_PREFIXES] : 0);
vty_out(vty, "%-30s: %s",
table_stats_strs[i][TABLE_STATS_IDX_VTY],
temp_buf);
} else {
snprintf(temp_buf, sizeof(temp_buf), "%.2f",
ts.counts[i] ? (float)ts.counts[i] /
(float)ts.counts[BGP_STATS_PREFIXES] : 0);
json_object_string_add(json_2,
table_stats_strs[i][TABLE_STATS_IDX_JSON],
temp_buf);
}
break;
case BGP_STATS_SPACE:
vty_out(vty, "%-30s: ", table_stats_strs[i]);
vty_out(vty, "%12g\n", ts.total_space);
if (afi == AFI_IP6) {
vty_out(vty, "%30s: ", "/32 equivalent ");
vty_out(vty, "%12g\n",
ts.total_space * pow(2.0, -128 + 32));
vty_out(vty, "%30s: ", "/48 equivalent ");
vty_out(vty, "%12g\n",
ts.total_space * pow(2.0, -128 + 48));
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12g", ts.total_space);
vty_out(vty, "%-30s: %s\n",
table_stats_strs[i][TABLE_STATS_IDX_VTY],
temp_buf);
} else {
vty_out(vty, "%30s: ", "% announced ");
vty_out(vty, "%12.2f\n",
ts.total_space * 100. * pow(2.0, -32));
vty_out(vty, "%30s: ", "/8 equivalent ");
vty_out(vty, "%12.2f\n",
ts.total_space * pow(2.0, -32 + 8));
vty_out(vty, "%30s: ", "/24 equivalent ");
vty_out(vty, "%12.2f\n",
ts.total_space * pow(2.0, -32 + 24));
snprintf(temp_buf, sizeof(temp_buf), "%g", ts.total_space);
json_object_string_add(json_2,
table_stats_strs[i][TABLE_STATS_IDX_JSON],
temp_buf);
}
if (afi == AFI_IP6) {
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12g",
ts.total_space * pow(2.0, -128 + 32));
vty_out(vty, "%30s: %s\n", "/32 equivalent %s\n", temp_buf);
} else {
snprintf(temp_buf, sizeof(temp_buf), "%g",
ts.total_space * pow(2.0, -128 + 32));
json_object_string_add(json_2, "/32Equivalent", temp_buf);
}
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12g",
ts.total_space * pow(2.0, -128 + 48));
vty_out(vty, "%30s: %s\n", "/48 equivalent %s\n", temp_buf);
} else {
snprintf(temp_buf, sizeof(temp_buf), "%g",
ts.total_space * pow(2.0, -128 + 48));
json_object_string_add(json_2, "/48Equivalent", temp_buf);
}
} else {
snprintf(temp_buf, sizeof(temp_buf), "%12.2f",
ts.total_space * 100. * pow(2.0, -32));
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12.2f",
ts.total_space * 100. * pow(2.0, -32));
vty_out(vty, "%30s: %s\n", "% announced ", temp_buf);
} else {
snprintf(temp_buf, sizeof(temp_buf), "%.2f",
ts.total_space * 100. * pow(2.0, -32));
json_object_string_add(json_2, "%Announced", temp_buf);
}
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12.2f",
ts.total_space * pow(2.0, -32 + 8));
vty_out(vty, "%30s: %s\n", "/8 equivalent ", temp_buf);
} else {
snprintf(temp_buf, sizeof(temp_buf), "%.2f",
ts.total_space * pow(2.0, -32 + 8));
json_object_string_add(json_2, "/8Equivalent", temp_buf);
}
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12.2f",
ts.total_space * pow(2.0, -32 + 24));
vty_out(vty, "%30s: %s\n", "/24 equivalent ", temp_buf);
} else {
snprintf(temp_buf, sizeof(temp_buf), "%.2f",
ts.total_space * pow(2.0, -32 + 24));
json_object_string_add(json_2, "/24Equivalent", temp_buf);
}
}
break;
default:
vty_out(vty, "%-30s: ", table_stats_strs[i]);
vty_out(vty, "%12llu", ts.counts[i]);
if (!json_2) {
snprintf(temp_buf, sizeof(temp_buf), "%12llu", ts.counts[i]);
vty_out(vty, "%-30s: %s",
table_stats_strs[i][TABLE_STATS_IDX_VTY],
temp_buf);
} else
json_object_int_add(json_2,
table_stats_strs[i][TABLE_STATS_IDX_JSON],
ts.counts[i]);
}
vty_out(vty, "\n");
if (!json)
vty_out(vty, "\n");
}
return CMD_SUCCESS;
end_table_stats:
if (json_2)
json_object_array_add(json, json_2);
return ret;
}
enum bgp_pcounts {
@ -13149,6 +13276,7 @@ void bgp_route_init(void)
/* IPv4 labeled-unicast configuration. */
install_element(VIEW_NODE, &show_ip_bgp_instance_all_cmd);
install_element(VIEW_NODE, &show_ip_bgp_cmd);
install_element(VIEW_NODE, &show_ip_bgp_afi_safi_statistics_cmd);
install_element(VIEW_NODE, &show_ip_bgp_json_cmd);
install_element(VIEW_NODE, &show_ip_bgp_route_cmd);
install_element(VIEW_NODE, &show_ip_bgp_regexp_cmd);