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Message-Id: <20180710210558.20278-7-stephen@networkplumber.org>
Date: Tue, 10 Jul 2018 14:05:33 -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 06/31] tc/util: add print helpers for JSON
From: Stephen Hemminger <sthemmin@...rosoft.com>
Add a helper to print rate, time and size in numeric or pretty format
based on JSON flag.
Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
tc/tc_util.c | 83 +++++++++++++++++++++++++++++++++-------------------
tc/tc_util.h | 6 ++++
2 files changed, 59 insertions(+), 30 deletions(-)
diff --git a/tc/tc_util.c b/tc/tc_util.c
index 29bdbbff4a6e..43a67fd13f94 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -330,6 +330,19 @@ char *sprint_rate(__u64 rate, char *buf)
return buf;
}
+/*
+ * print rate as numeric in JSON
+ * or in human format otherwise.
+ */
+void print_rate(const char *key, const char *fmt, __u64 rate)
+{
+ SPRINT_BUF(b1);
+
+ print_u64(PRINT_JSON, key, NULL, rate);
+ print_string(PRINT_FP, NULL, fmt,
+ sprint_rate(rate, b1));
+}
+
int get_time(unsigned int *time, const char *str)
{
double t;
@@ -372,11 +385,27 @@ char *sprint_time(__u32 time, char *buf)
return buf;
}
+void print_time(const char *key, const char *fmt, __u32 tm)
+{
+ double secs = (double)tm / TIME_UNITS_PER_SEC;
+ SPRINT_BUF(b1);
+
+ print_float(PRINT_JSON, key, NULL, secs);
+ print_string(PRINT_FP, NULL, fmt,
+ sprint_time(tm, b1));
+}
+
+
char *sprint_ticks(__u32 ticks, char *buf)
{
return sprint_time(tc_core_tick2time(ticks), buf);
}
+void print_ticks(const char *key, const char *fmt, __u32 ticks)
+{
+ print_time(key, fmt, tc_core_tick2time(ticks));
+}
+
int get_size(unsigned int *size, const char *str)
{
double sz;
@@ -462,6 +491,15 @@ char *sprint_size(__u32 sz, char *buf)
return buf;
}
+void print_size(const char *key, const char *fmt, __u32 sz)
+{
+ SPRINT_BUF(b1);
+
+ print_uint(PRINT_JSON, key, NULL, sz);
+ print_string(PRINT_FP, NULL, fmt,
+ sprint_size(sz, b1));
+}
+
void print_qdisc_handle(char *buf, int len, __u32 h)
{
snprintf(buf, len, "%x:", TC_H_MAJ(h)>>16);
@@ -766,6 +804,14 @@ char *sprint_linklayer(unsigned int linklayer, char *buf)
return buf;
}
+void print_linklayer(const char *key, const char *fmt, unsigned int linklayer)
+{
+ SPRINT_BUF(b1);
+
+ sprint_linklayer(linklayer, b1);
+ print_string(PRINT_ANY, key, fmt, b1);
+}
+
void print_tm(FILE *f, const struct tcf_t *tm)
{
int hz = get_user_hz();
@@ -790,7 +836,6 @@ void print_tm(FILE *f, const struct tcf_t *tm)
void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
const char *prefix, struct rtattr **xstats)
{
- SPRINT_BUF(b1);
struct rtattr *tbs[TCA_STATS_MAX + 1];
parse_rtattr_nested(tbs, TCA_STATS_MAX, rta);
@@ -821,21 +866,15 @@ void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST64]),
sizeof(re)));
print_string(PRINT_FP, NULL, "\n%s", prefix);
- print_lluint(PRINT_JSON, "rate", NULL, re.bps);
- print_string(PRINT_FP, NULL, "rate %s",
- sprint_rate(re.bps, b1));
+ print_rate("rate", "rate %s", re.bps);
print_lluint(PRINT_ANY, "pps", " %llupps", re.pps);
} else if (tbs[TCA_STATS_RATE_EST]) {
struct gnet_stats_rate_est re = {0};
memcpy(&re, RTA_DATA(tbs[TCA_STATS_RATE_EST]),
MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST]), sizeof(re)));
- fprintf(fp, "\n%srate %s %upps ",
- prefix, sprint_rate(re.bps, b1), re.pps);
print_string(PRINT_FP, NULL, "\n%s", prefix);
- print_uint(PRINT_JSON, "rate", NULL, re.bps);
- print_string(PRINT_FP, NULL, "rate %s",
- sprint_rate(re.bps, b1));
+ print_rate("rate", "rate %s", re.bps);
print_uint(PRINT_ANY, "pps", " %upps", re.pps);
}
@@ -845,9 +884,7 @@ void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
if (!tbs[TCA_STATS_RATE_EST])
print_string(PRINT_FP, NULL, "\n%s", prefix);
- print_uint(PRINT_JSON, "backlog", NULL, q.backlog);
- print_string(PRINT_FP, NULL, "backlog %s",
- sprint_size(q.backlog, b1));
+ print_size("backlog", "backlog %s", q.backlog);
print_uint(PRINT_ANY, "qlen", " %up", q.qlen);
print_uint(PRINT_FP, NULL, " requeues %u", q.requeues);
}
@@ -859,8 +896,6 @@ void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
const char *prefix, struct rtattr **xstats)
{
- SPRINT_BUF(b1);
-
if (tb[TCA_STATS2]) {
print_tcstats2_attr(fp, tb[TCA_STATS2], prefix, xstats);
if (xstats && NULL == *xstats)
@@ -885,26 +920,14 @@ void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
if (st.bps || st.pps) {
print_string(PRINT_FP, NULL, "%s", "rate ");
- print_uint(PRINT_JSON, "rate", NULL, st.bps);
- if (st.bps)
- print_string(PRINT_FP, NULL, "%s ",
- sprint_rate(st.bps, b1));
-
- print_uint(PRINT_JSON, "pps", NULL, st.pps);
- if (st.pps)
- print_uint(PRINT_FP, NULL, "%upps ", st.pps);
+ print_rate("rate", "%s ", st.bps);
+ print_uint(PRINT_JSON, "pps", "%upps ", st.pps);
}
if (st.qlen || st.backlog) {
print_string(PRINT_FP, NULL, "%s", "backlog ");
- print_uint(PRINT_JSON, "backlog", NULL, st.backlog);
- print_uint(PRINT_JSON, "qlen", NULL, st.qlen);
- if (st.backlog)
- print_string(PRINT_FP, NULL,
- "%s ", sprint_size(st.backlog, b1));
- if (st.qlen)
- print_uint(PRINT_FP, NULL,
- "%up ", st.qlen);
+ print_size("backlog", "%s ", st.backlog);
+ print_uint(PRINT_ANY, "qlen", "%up ", st.qlen);
}
}
}
diff --git a/tc/tc_util.h b/tc/tc_util.h
index 1690ad262351..e83bb7dbcc76 100644
--- a/tc/tc_util.h
+++ b/tc/tc_util.h
@@ -87,6 +87,12 @@ int get_linklayer(unsigned int *val, const char *arg);
void print_qdisc_handle(char *buf, int len, __u32 h);
void print_devname(enum output_type type, int ifindex);
+void print_rate(const char *key, const char *fmt, __u64 rate);
+void print_size(const char *key, const char *fmt, __u32 sz);
+void print_time(const char *key, const char *fmt, __s32 tm);
+void print_ticks(const char *key, const char *fmt, __u32 ticks);
+void print_linklayer(const char *key, const char *fmt, unsigned int linklayer);
+
char *sprint_rate(__u64 rate, char *buf);
char *sprint_size(__u32 size, char *buf);
char *sprint_qdisc_handle(__u32 h, char *buf);
--
2.18.0
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