netdev - [PATCH v2 iproute2-next 17/31] tc/codel: implement JSON output

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Date:   Tue, 10 Jul 2018 14:05:44 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     netdev@...r.kernel.org
Cc:     Stephen Hemminger <sthemmin@...rosoft.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH v2 iproute2-next 17/31] tc/codel: implement JSON output

From: Stephen Hemminger <sthemmin@...rosoft.com>

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
 tc/q_codel.c | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/tc/q_codel.c b/tc/q_codel.c
index 8a2a871671cb..de5c514fc49c 100644
--- a/tc/q_codel.c
+++ b/tc/q_codel.c
@@ -133,7 +133,6 @@ static int codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
 	unsigned int ecn;
 	unsigned int ce_threshold;
 
-	SPRINT_BUF(b1);
 
 	if (opt == NULL)
 		return 0;
@@ -143,28 +142,28 @@ static int codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
 	if (tb[TCA_CODEL_LIMIT] &&
 	    RTA_PAYLOAD(tb[TCA_CODEL_LIMIT]) >= sizeof(__u32)) {
 		limit = rta_getattr_u32(tb[TCA_CODEL_LIMIT]);
-		fprintf(f, "limit %up ", limit);
+		print_uint(PRINT_ANY, "limit", "limit %up ", limit);
 	}
 	if (tb[TCA_CODEL_TARGET] &&
 	    RTA_PAYLOAD(tb[TCA_CODEL_TARGET]) >= sizeof(__u32)) {
 		target = rta_getattr_u32(tb[TCA_CODEL_TARGET]);
-		fprintf(f, "target %s ", sprint_time(target, b1));
+		print_time("target", "target %s ", target);
 	}
 	if (tb[TCA_CODEL_CE_THRESHOLD] &&
 	    RTA_PAYLOAD(tb[TCA_CODEL_CE_THRESHOLD]) >= sizeof(__u32)) {
 		ce_threshold = rta_getattr_u32(tb[TCA_CODEL_CE_THRESHOLD]);
-		fprintf(f, "ce_threshold %s ", sprint_time(ce_threshold, b1));
+		print_time("ce_threshold", "ce_threshold %s ", ce_threshold);
 	}
 	if (tb[TCA_CODEL_INTERVAL] &&
 	    RTA_PAYLOAD(tb[TCA_CODEL_INTERVAL]) >= sizeof(__u32)) {
 		interval = rta_getattr_u32(tb[TCA_CODEL_INTERVAL]);
-		fprintf(f, "interval %s ", sprint_time(interval, b1));
+		print_time("interval", "interval %s ", interval);
 	}
 	if (tb[TCA_CODEL_ECN] &&
 	    RTA_PAYLOAD(tb[TCA_CODEL_ECN]) >= sizeof(__u32)) {
 		ecn = rta_getattr_u32(tb[TCA_CODEL_ECN]);
 		if (ecn)
-			fprintf(f, "ecn ");
+			print_null(PRINT_ANY, "ecn", "ecn ", NULL);
 	}
 
 	return 0;
@@ -175,8 +174,6 @@ static int codel_print_xstats(struct qdisc_util *qu, FILE *f,
 {
 	struct tc_codel_xstats _st = {}, *st;
 
-	SPRINT_BUF(b1);
-
 	if (xstats == NULL)
 		return 0;
 
@@ -186,18 +183,20 @@ static int codel_print_xstats(struct qdisc_util *qu, FILE *f,
 		st = &_st;
 	}
 
-	fprintf(f, "  count %u lastcount %u ldelay %s",
-		st->count, st->lastcount, sprint_time(st->ldelay, b1));
+	print_uint(PRINT_ANY, "count", "  count %u", st->count);
+	print_uint(PRINT_ANY, "lastcount", " lastcount %u", st->lastcount);
+	print_time("ldelay", " ldelay %s", st->ldelay);
 	if (st->dropping)
-		fprintf(f, " dropping");
-	if (st->drop_next < 0)
-		fprintf(f, " drop_next -%s", sprint_time(-st->drop_next, b1));
-	else
-		fprintf(f, " drop_next %s", sprint_time(st->drop_next, b1));
-	fprintf(f, "\n  maxpacket %u ecn_mark %u drop_overlimit %u",
-		st->maxpacket, st->ecn_mark, st->drop_overlimit);
+		print_null(PRINT_ANY, "dropping", " dropping", NULL);
+	print_time("drop_next", " drop_next %s", st->drop_next);
+
+	print_string(PRINT_FP, NULL, "%s", _SL_);
+	print_uint(PRINT_ANY, "maxpacket", "  maxpacket %u", st->maxpacket);
+	print_uint(PRINT_ANY, "ecn_mark", "ecn_mark %u", st->ecn_mark);
+	print_uint(PRINT_ANY, "drop_overlimit", "drop_overlimit %u",
+		   st->drop_overlimit);
 	if (st->ce_mark)
-		fprintf(f, " ce_mark %u", st->ce_mark);
+		print_uint(PRINT_ANY, "ce_mark", " ce_mark %u", st->ce_mark);
 	return 0;
 
 }
-- 
2.18.0