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Date: Mon, 5 Mar 2018 19:04:58 -0800
From: Stephen Hemminger <stephen@...workplumber.org>
To: dsahern@...il.com
Cc: netdev@...r.kernel.org, Stephen Hemminger <sthemmin@...rosoft.com>,
Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2-next 4/7] ip: add json support to ntable
From: Stephen Hemminger <sthemmin@...rosoft.com>
Add JSON (and limited color) to ip neighbor table parameter output.
Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
ip/ipntable.c | 415 ++++++++++++++++++++++++++++++++--------------------------
1 file changed, 226 insertions(+), 189 deletions(-)
diff --git a/ip/ipntable.c b/ip/ipntable.c
index 2f72c989f35d..f6dff28ecbb2 100644
--- a/ip/ipntable.c
+++ b/ip/ipntable.c
@@ -31,6 +31,7 @@
#include "utils.h"
#include "ip_common.h"
+#include "json_print.h"
static struct
{
@@ -338,274 +339,308 @@ static const char *ntable_strtime_delta(__u32 msec)
return str;
}
-static int print_ntable(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
+static void print_ndtconfig(const struct ndt_config *ndtc)
{
- FILE *fp = (FILE *)arg;
- struct ndtmsg *ndtm = NLMSG_DATA(n);
- int len = n->nlmsg_len;
- struct rtattr *tb[NDTA_MAX+1];
- struct rtattr *tpb[NDTPA_MAX+1];
- int ret;
- if (n->nlmsg_type != RTM_NEWNEIGHTBL) {
- fprintf(stderr, "Not NEIGHTBL: %08x %08x %08x\n",
- n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
- return 0;
- }
- len -= NLMSG_LENGTH(sizeof(*ndtm));
- if (len < 0) {
- fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
- return -1;
- }
+ print_uint(PRINT_ANY, "key_length",
+ " config key_len %u ", ndtc->ndtc_key_len);
+ print_uint(PRINT_ANY, "entry_size",
+ "entry_size %u ", ndtc->ndtc_entry_size);
+ print_uint(PRINT_ANY, "entries",
+ "entries %u ", ndtc->ndtc_entries);
- if (preferred_family && preferred_family != ndtm->ndtm_family)
- return 0;
+ print_string(PRINT_FP, NULL, "%s", _SL_);
- parse_rtattr(tb, NDTA_MAX, NDTA_RTA(ndtm),
- n->nlmsg_len - NLMSG_LENGTH(sizeof(*ndtm)));
+ print_string(PRINT_ANY, "last_flush",
+ " last_flush %s ",
+ ntable_strtime_delta(ndtc->ndtc_last_flush));
+ print_string(PRINT_ANY, "last_rand",
+ "last_rand %s ",
+ ntable_strtime_delta(ndtc->ndtc_last_rand));
- if (tb[NDTA_NAME]) {
- const char *name = rta_getattr_str(tb[NDTA_NAME]);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
- if (filter.name && strcmp(filter.name, name))
- return 0;
- }
- if (tb[NDTA_PARMS]) {
- parse_rtattr(tpb, NDTPA_MAX, RTA_DATA(tb[NDTA_PARMS]),
- RTA_PAYLOAD(tb[NDTA_PARMS]));
+ print_uint(PRINT_ANY, "hash_rnd",
+ " hash_rnd %u ", ndtc->ndtc_hash_rnd);
+ print_0xhex(PRINT_ANY, "hash_mask",
+ "hash_mask %08x ", ndtc->ndtc_hash_mask);
- if (tpb[NDTPA_IFINDEX]) {
- __u32 ifindex = rta_getattr_u32(tpb[NDTPA_IFINDEX]);
+ print_uint(PRINT_ANY, "hash_chain_gc",
+ "hash_chain_gc %u ", ndtc->ndtc_hash_chain_gc);
+ print_uint(PRINT_ANY, "proxy_qlen",
+ "proxy_qlen %u ", ndtc->ndtc_proxy_qlen);
- if (filter.index && filter.index != ifindex)
- return 0;
- } else {
- if (filter.index && filter.index != NONE_DEV)
- return 0;
- }
+ print_string(PRINT_FP, NULL, "%s", _SL_);
+}
+
+static void print_ndtparams(struct rtattr *tpb[])
+{
+
+ if (tpb[NDTPA_IFINDEX]) {
+ __u32 ifindex = rta_getattr_u32(tpb[NDTPA_IFINDEX]);
+
+ print_string(PRINT_FP, NULL, " dev ", NULL);
+ print_color_string(PRINT_ANY, COLOR_IFNAME,
+ "dev", "%s ", ll_index_to_name(ifindex));
+ print_string(PRINT_FP, NULL, "%s", _SL_);
}
- if (ndtm->ndtm_family == AF_INET)
- fprintf(fp, "inet ");
- else if (ndtm->ndtm_family == AF_INET6)
- fprintf(fp, "inet6 ");
- else if (ndtm->ndtm_family == AF_DECnet)
- fprintf(fp, "dnet ");
- else
- fprintf(fp, "(%d) ", ndtm->ndtm_family);
+ print_string(PRINT_FP, NULL, " ", NULL);
+ if (tpb[NDTPA_REFCNT]) {
+ __u32 refcnt = rta_getattr_u32(tpb[NDTPA_REFCNT]);
- if (tb[NDTA_NAME]) {
- const char *name = rta_getattr_str(tb[NDTA_NAME]);
+ print_uint(PRINT_ANY, "refcnt", "refcnt %u ", refcnt);
+ }
- fprintf(fp, "%s ", name);
+ if (tpb[NDTPA_REACHABLE_TIME]) {
+ __u64 reachable = rta_getattr_u64(tpb[NDTPA_REACHABLE_TIME]);
+
+ print_uint(PRINT_ANY, "reachable",
+ "reachable %llu ", reachable);
}
- fprintf(fp, "%s", _SL_);
+ if (tpb[NDTPA_BASE_REACHABLE_TIME]) {
+ __u64 breachable
+ = rta_getattr_u64(tpb[NDTPA_BASE_REACHABLE_TIME]);
- ret = (tb[NDTA_THRESH1] || tb[NDTA_THRESH2] || tb[NDTA_THRESH3] ||
- tb[NDTA_GC_INTERVAL]);
- if (ret)
- fprintf(fp, " ");
- if (tb[NDTA_THRESH1]) {
- __u32 thresh1 = rta_getattr_u32(tb[NDTA_THRESH1]);
+ print_uint(PRINT_ANY, "base_reachable",
+ "base_reachable %llu ", breachable);
+ }
- fprintf(fp, "thresh1 %u ", thresh1);
+ if (tpb[NDTPA_RETRANS_TIME]) {
+ __u64 retrans = rta_getattr_u64(tpb[NDTPA_RETRANS_TIME]);
+
+ print_uint(PRINT_ANY, "retrans", "retrans %llu ", retrans);
}
- if (tb[NDTA_THRESH2]) {
- __u32 thresh2 = rta_getattr_u32(tb[NDTA_THRESH2]);
- fprintf(fp, "thresh2 %u ", thresh2);
+ print_string(PRINT_FP, NULL, "%s ", _SL_);
+
+ if (tpb[NDTPA_GC_STALETIME]) {
+ __u64 gc_stale
+ = rta_getattr_u64(tpb[NDTPA_GC_STALETIME]);
+
+ print_uint(PRINT_ANY, "gc_stale", "gc_stale %llu ", gc_stale);
}
- if (tb[NDTA_THRESH3]) {
- __u32 thresh3 = rta_getattr_u32(tb[NDTA_THRESH3]);
- fprintf(fp, "thresh3 %u ", thresh3);
+ if (tpb[NDTPA_DELAY_PROBE_TIME]) {
+ __u64 delay_probe
+ = rta_getattr_u64(tpb[NDTPA_DELAY_PROBE_TIME]);
+
+ print_uint(PRINT_ANY, "delay_probe",
+ "delay_probe %llu ", delay_probe);
}
- if (tb[NDTA_GC_INTERVAL]) {
- unsigned long long gc_int = rta_getattr_u64(tb[NDTA_GC_INTERVAL]);
- fprintf(fp, "gc_int %llu ", gc_int);
+ if (tpb[NDTPA_QUEUE_LEN]) {
+ __u32 queue = rta_getattr_u32(tpb[NDTPA_QUEUE_LEN]);
+
+ print_uint(PRINT_ANY, "queue", "queue %u ", queue);
}
- if (ret)
- fprintf(fp, "%s", _SL_);
+ print_string(PRINT_FP, NULL, "%s ", _SL_);
- if (tb[NDTA_CONFIG] && show_stats) {
- struct ndt_config *ndtc = RTA_DATA(tb[NDTA_CONFIG]);
+ if (tpb[NDTPA_APP_PROBES]) {
+ __u32 aprobe = rta_getattr_u32(tpb[NDTPA_APP_PROBES]);
- fprintf(fp, " ");
- fprintf(fp, "config ");
+ print_uint(PRINT_ANY, "app_probes",
+ "app_probes %u ", aprobe);
+ }
- fprintf(fp, "key_len %u ", ndtc->ndtc_key_len);
- fprintf(fp, "entry_size %u ", ndtc->ndtc_entry_size);
- fprintf(fp, "entries %u ", ndtc->ndtc_entries);
+ if (tpb[NDTPA_UCAST_PROBES]) {
+ __u32 uprobe = rta_getattr_u32(tpb[NDTPA_UCAST_PROBES]);
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
+ print_uint(PRINT_ANY, "ucast_probes",
+ "ucast_probes %u ", uprobe);
+ }
- fprintf(fp, "last_flush %s ",
- ntable_strtime_delta(ndtc->ndtc_last_flush));
- fprintf(fp, "last_rand %s ",
- ntable_strtime_delta(ndtc->ndtc_last_rand));
+ if (tpb[NDTPA_MCAST_PROBES]) {
+ __u32 mprobe = rta_getattr_u32(tpb[NDTPA_MCAST_PROBES]);
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
+ print_uint(PRINT_ANY, "mcast_probes",
+ "mcast_probes %u ", mprobe);
+ }
- fprintf(fp, "hash_rnd %u ", ndtc->ndtc_hash_rnd);
- fprintf(fp, "hash_mask %08x ", ndtc->ndtc_hash_mask);
+ print_string(PRINT_FP, NULL, "%s ", _SL_);
- fprintf(fp, "hash_chain_gc %u ", ndtc->ndtc_hash_chain_gc);
- fprintf(fp, "proxy_qlen %u ", ndtc->ndtc_proxy_qlen);
+ if (tpb[NDTPA_ANYCAST_DELAY]) {
+ __u64 anycast_delay = rta_getattr_u64(tpb[NDTPA_ANYCAST_DELAY]);
- fprintf(fp, "%s", _SL_);
+ print_uint(PRINT_ANY, "anycast_delay",
+ "anycast_delay %llu ", anycast_delay);
}
- if (tb[NDTA_PARMS]) {
- if (tpb[NDTPA_IFINDEX]) {
- __u32 ifindex = rta_getattr_u32(tpb[NDTPA_IFINDEX]);
+ if (tpb[NDTPA_PROXY_DELAY]) {
+ __u64 proxy_delay = rta_getattr_u64(tpb[NDTPA_PROXY_DELAY]);
- fprintf(fp, " ");
- fprintf(fp, "dev %s ", ll_index_to_name(ifindex));
- fprintf(fp, "%s", _SL_);
- }
+ print_uint(PRINT_ANY, "proxy_delay",
+ "proxy_delay %llu ", proxy_delay);
+ }
- fprintf(fp, " ");
+ if (tpb[NDTPA_PROXY_QLEN]) {
+ __u32 pqueue = rta_getattr_u32(tpb[NDTPA_PROXY_QLEN]);
- if (tpb[NDTPA_REFCNT]) {
- __u32 refcnt = rta_getattr_u32(tpb[NDTPA_REFCNT]);
+ print_uint(PRINT_ANY, "proxy_queue", "proxy_queue %u ", pqueue);
+ }
- fprintf(fp, "refcnt %u ", refcnt);
- }
- if (tpb[NDTPA_REACHABLE_TIME]) {
- unsigned long long reachable = rta_getattr_u64(tpb[NDTPA_REACHABLE_TIME]);
+ if (tpb[NDTPA_LOCKTIME]) {
+ __u64 locktime = rta_getattr_u64(tpb[NDTPA_LOCKTIME]);
- fprintf(fp, "reachable %llu ", reachable);
- }
- if (tpb[NDTPA_BASE_REACHABLE_TIME]) {
- unsigned long long breachable = rta_getattr_u64(tpb[NDTPA_BASE_REACHABLE_TIME]);
+ print_uint(PRINT_ANY, "locktime",
+ "locktime %llu ", locktime);
+ }
- fprintf(fp, "base_reachable %llu ", breachable);
- }
- if (tpb[NDTPA_RETRANS_TIME]) {
- unsigned long long retrans = rta_getattr_u64(tpb[NDTPA_RETRANS_TIME]);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
+}
- fprintf(fp, "retrans %llu ", retrans);
- }
+static void print_ndtstats(const struct ndt_stats *ndts)
+{
- fprintf(fp, "%s", _SL_);
+ print_string(PRINT_FP, NULL, " stats ", NULL);
- fprintf(fp, " ");
+ print_uint(PRINT_ANY, "allocs", "allocs %llu ",
+ ndts->ndts_allocs);
+ print_uint(PRINT_ANY, "destroys", "destroys %llu ",
+ ndts->ndts_destroys);
+ print_uint(PRINT_ANY, "hash_grows", "hash_grows %llu ",
+ ndts->ndts_hash_grows);
- if (tpb[NDTPA_GC_STALETIME]) {
- unsigned long long gc_stale = rta_getattr_u64(tpb[NDTPA_GC_STALETIME]);
+ print_string(PRINT_FP, NULL, "%s ", _SL_);
- fprintf(fp, "gc_stale %llu ", gc_stale);
- }
- if (tpb[NDTPA_DELAY_PROBE_TIME]) {
- unsigned long long delay_probe = rta_getattr_u64(tpb[NDTPA_DELAY_PROBE_TIME]);
+ print_uint(PRINT_ANY, "res_failed", "res_failed %llu ",
+ ndts->ndts_res_failed);
+ print_uint(PRINT_ANY, "lookups", "lookups %llu ",
+ ndts->ndts_lookups);
+ print_uint(PRINT_ANY, "hits", "hits %llu ",
+ ndts->ndts_hits);
- fprintf(fp, "delay_probe %llu ", delay_probe);
- }
- if (tpb[NDTPA_QUEUE_LEN]) {
- __u32 queue = rta_getattr_u32(tpb[NDTPA_QUEUE_LEN]);
+ print_string(PRINT_FP, NULL, "%s ", _SL_);
- fprintf(fp, "queue %u ", queue);
- }
+ print_uint(PRINT_ANY, "rcv_probes_mcast", "rcv_probes_mcast %llu ",
+ ndts->ndts_rcv_probes_mcast);
+ print_uint(PRINT_ANY, "rcv_probes_ucast", "rcv_probes_ucast %llu ",
+ ndts->ndts_rcv_probes_ucast);
- fprintf(fp, "%s", _SL_);
+ print_string(PRINT_FP, NULL, "%s ", _SL_);
- fprintf(fp, " ");
+ print_uint(PRINT_ANY, "periodic_gc_runs", "periodic_gc_runs %llu ",
+ ndts->ndts_periodic_gc_runs);
+ print_uint(PRINT_ANY, "forced_gc_runs", "forced_gc_runs %llu ",
+ ndts->ndts_forced_gc_runs);
- if (tpb[NDTPA_APP_PROBES]) {
- __u32 aprobe = rta_getattr_u32(tpb[NDTPA_APP_PROBES]);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
+}
- fprintf(fp, "app_probes %u ", aprobe);
- }
- if (tpb[NDTPA_UCAST_PROBES]) {
- __u32 uprobe = rta_getattr_u32(tpb[NDTPA_UCAST_PROBES]);
+static int print_ntable(const struct sockaddr_nl *who,
+ struct nlmsghdr *n, void *arg)
+{
+ FILE *fp = (FILE *)arg;
+ struct ndtmsg *ndtm = NLMSG_DATA(n);
+ int len = n->nlmsg_len;
+ struct rtattr *tb[NDTA_MAX+1];
+ struct rtattr *tpb[NDTPA_MAX+1];
+ int ret;
- fprintf(fp, "ucast_probes %u ", uprobe);
- }
- if (tpb[NDTPA_MCAST_PROBES]) {
- __u32 mprobe = rta_getattr_u32(tpb[NDTPA_MCAST_PROBES]);
+ if (n->nlmsg_type != RTM_NEWNEIGHTBL) {
+ fprintf(stderr, "Not NEIGHTBL: %08x %08x %08x\n",
+ n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
+ return 0;
+ }
+ len -= NLMSG_LENGTH(sizeof(*ndtm));
+ if (len < 0) {
+ fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
+ return -1;
+ }
- fprintf(fp, "mcast_probes %u ", mprobe);
- }
+ if (preferred_family && preferred_family != ndtm->ndtm_family)
+ return 0;
- fprintf(fp, "%s", _SL_);
+ parse_rtattr(tb, NDTA_MAX, NDTA_RTA(ndtm),
+ n->nlmsg_len - NLMSG_LENGTH(sizeof(*ndtm)));
- fprintf(fp, " ");
+ if (tb[NDTA_NAME]) {
+ const char *name = rta_getattr_str(tb[NDTA_NAME]);
- if (tpb[NDTPA_ANYCAST_DELAY]) {
- unsigned long long anycast_delay = rta_getattr_u64(tpb[NDTPA_ANYCAST_DELAY]);
+ if (filter.name && strcmp(filter.name, name))
+ return 0;
+ }
- fprintf(fp, "anycast_delay %llu ", anycast_delay);
- }
- if (tpb[NDTPA_PROXY_DELAY]) {
- unsigned long long proxy_delay = rta_getattr_u64(tpb[NDTPA_PROXY_DELAY]);
+ if (tb[NDTA_PARMS]) {
+ parse_rtattr(tpb, NDTPA_MAX, RTA_DATA(tb[NDTA_PARMS]),
+ RTA_PAYLOAD(tb[NDTA_PARMS]));
- fprintf(fp, "proxy_delay %llu ", proxy_delay);
- }
- if (tpb[NDTPA_PROXY_QLEN]) {
- __u32 pqueue = rta_getattr_u32(tpb[NDTPA_PROXY_QLEN]);
+ if (tpb[NDTPA_IFINDEX]) {
+ __u32 ifindex = rta_getattr_u32(tpb[NDTPA_IFINDEX]);
- fprintf(fp, "proxy_queue %u ", pqueue);
+ if (filter.index && filter.index != ifindex)
+ return 0;
+ } else {
+ if (filter.index && filter.index != NONE_DEV)
+ return 0;
}
- if (tpb[NDTPA_LOCKTIME]) {
- unsigned long long locktime = rta_getattr_u64(tpb[NDTPA_LOCKTIME]);
+ }
- fprintf(fp, "locktime %llu ", locktime);
- }
+ open_json_object(NULL);
+ print_string(PRINT_ANY, "family",
+ "%s ", family_name(ndtm->ndtm_family));
+
+ if (tb[NDTA_NAME]) {
+ const char *name = rta_getattr_str(tb[NDTA_NAME]);
- fprintf(fp, "%s", _SL_);
+ print_string(PRINT_ANY, "name",
+ "%s ", name);
}
- if (tb[NDTA_STATS] && show_stats) {
- struct ndt_stats *ndts = RTA_DATA(tb[NDTA_STATS]);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
- fprintf(fp, " ");
- fprintf(fp, "stats ");
+ ret = (tb[NDTA_THRESH1] || tb[NDTA_THRESH2] || tb[NDTA_THRESH3] ||
+ tb[NDTA_GC_INTERVAL]);
+ if (ret)
+ print_string(PRINT_FP, NULL, " ", NULL);
- fprintf(fp, "allocs %llu ",
- (unsigned long long) ndts->ndts_allocs);
- fprintf(fp, "destroys %llu ",
- (unsigned long long) ndts->ndts_destroys);
- fprintf(fp, "hash_grows %llu ",
- (unsigned long long) ndts->ndts_hash_grows);
+ if (tb[NDTA_THRESH1]) {
+ __u32 thresh1 = rta_getattr_u32(tb[NDTA_THRESH1]);
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
+ print_uint(PRINT_ANY, "thresh1",
+ "thresh1 %u ", thresh1);
+ }
- fprintf(fp, "res_failed %llu ",
- (unsigned long long) ndts->ndts_res_failed);
- fprintf(fp, "lookups %llu ",
- (unsigned long long) ndts->ndts_lookups);
- fprintf(fp, "hits %llu ",
- (unsigned long long) ndts->ndts_hits);
+ if (tb[NDTA_THRESH2]) {
+ __u32 thresh2 = rta_getattr_u32(tb[NDTA_THRESH2]);
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
+ print_uint(PRINT_ANY, "thresh2",
+ "thresh2 %u ", thresh2);
+ }
- fprintf(fp, "rcv_probes_mcast %llu ",
- (unsigned long long) ndts->ndts_rcv_probes_mcast);
- fprintf(fp, "rcv_probes_ucast %llu ",
- (unsigned long long) ndts->ndts_rcv_probes_ucast);
+ if (tb[NDTA_THRESH3]) {
+ __u32 thresh3 = rta_getattr_u32(tb[NDTA_THRESH3]);
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " ");
+ print_uint(PRINT_ANY, "thresh3",
+ "thresh3 %u ", thresh3);
+ }
- fprintf(fp, "periodic_gc_runs %llu ",
- (unsigned long long) ndts->ndts_periodic_gc_runs);
- fprintf(fp, "forced_gc_runs %llu ",
- (unsigned long long) ndts->ndts_forced_gc_runs);
+ if (tb[NDTA_GC_INTERVAL]) {
+ __u64 gc_int = rta_getattr_u64(tb[NDTA_GC_INTERVAL]);
- fprintf(fp, "%s", _SL_);
+ print_uint(PRINT_ANY, "gc_interval",
+ "gc_int %llu ", gc_int);
}
- fprintf(fp, "\n");
+ if (ret)
+ print_string(PRINT_FP, NULL, "%s", _SL_);
+ if (tb[NDTA_CONFIG] && show_stats)
+ print_ndtconfig(RTA_DATA(tb[NDTA_CONFIG]));
+
+ if (tb[NDTA_PARMS])
+ print_ndtparams(tpb);
+
+ if (tb[NDTA_STATS] && show_stats)
+ print_ndtstats(RTA_DATA(tb[NDTA_STATS]));
+
+ print_string(PRINT_FP, NULL, "\n", "");
+ close_json_object();
fflush(fp);
+
return 0;
}
@@ -643,10 +678,12 @@ static int ipntable_show(int argc, char **argv)
exit(1);
}
+ new_json_obj(json);
if (rtnl_dump_filter(&rth, print_ntable, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
exit(1);
}
+ delete_json_obj();
return 0;
}
--
2.16.1
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