Merge /tmp/iproute2
diff --git a/misc/nstat.c b/misc/nstat.c
index b685978..5a4cfe9 100644
--- a/misc/nstat.c
+++ b/misc/nstat.c
@@ -33,6 +33,7 @@
int reset_history = 0;
int ignore_history = 0;
int no_output = 0;
+int json_output = 0;
int no_update = 0;
int scan_interval = 0;
int time_constant = 0;
@@ -255,11 +256,17 @@
}
}
+
static void dump_kern_db(FILE *fp, int to_hist)
{
struct nstat_ent *n, *h;
+ const char *eol = "\n";
+
h = hist_db;
- fprintf(fp, "#%s\n", info_source);
+ if (json_output)
+ fprintf(fp, "{ \"%s\": [", info_source);
+ else
+ fprintf(fp, "#%s\n", info_source);
for (n=kern_db; n; n=n->next) {
unsigned long long val = n->val;
if (!dump_zeros && !val && !n->rate)
@@ -276,15 +283,30 @@
}
}
}
- fprintf(fp, "%-32s%-16llu%6.1f\n", n->id, val, n->rate);
+
+ if (json_output) {
+ fprintf(fp, "%s { \"id\":\"%s\", \"val\":%llu,"
+ " \"rate\":%.1f }",
+ eol, n->id, val, n->rate);
+ eol = ",\n";
+ } else
+ fprintf(fp, "%-32s%-16llu%6.1f\n", n->id, val, n->rate);
}
+ if (json_output)
+ fprintf(fp, "\n] }\n");
}
static void dump_incr_db(FILE *fp)
{
struct nstat_ent *n, *h;
+ const char *eol = "\n";
+
h = hist_db;
- fprintf(fp, "#%s\n", info_source);
+ if (json_output)
+ fprintf(fp, "{ \"%s\": [", info_source);
+ else
+ fprintf(fp, "#%s\n", info_source);
+
for (n=kern_db; n; n=n->next) {
int ovfl = 0;
unsigned long long val = n->val;
@@ -304,9 +326,18 @@
continue;
if (!match(n->id))
continue;
- fprintf(fp, "%-32s%-16llu%6.1f%s\n", n->id, val,
- n->rate, ovfl?" (overflow)":"");
+
+ if (json_output) {
+ fprintf(fp, "%s { \"id\":\"%s\", \"val\":%llu,"
+ " \"rate\":%.1f, \"overflow\":%d }",
+ eol, n->id, val, n->rate, ovfl);
+ eol = ",\n";
+ } else
+ fprintf(fp, "%-32s%-16llu%6.1f%s\n", n->id, val,
+ n->rate, ovfl?" (overflow)":"");
}
+ if (json_output)
+ fprintf(fp, "\n] }\n");
}
static int children;
@@ -451,7 +482,7 @@
int ch;
int fd;
- while ((ch = getopt(argc, argv, "h?vVzrnasd:t:")) != EOF) {
+ while ((ch = getopt(argc, argv, "h?vVzrnasd:t:j")) != EOF) {
switch(ch) {
case 'z':
dump_zeros = 1;
@@ -478,6 +509,9 @@
exit(-1);
}
break;
+ case 'j':
+ json_output = 1;
+ break;
case 'v':
case 'V':
printf("nstat utility, iproute2-ss%s\n", SNAPSHOT);