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nstat: add sctp snmp support 

SCTP module was not load by default. But this should be OK since we will not
load table if fdopen() failed, also opening the proc file won't load SCTP
kernel module.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
This commit is contained in:
Hangbin Liu 2016-09-05 11:35:02 +08:00 committed by Stephen Hemminger
parent 3cad6e5f25
commit 45a0dc164a
1 changed files with 18 additions and 0 deletions
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18
misc/nstat.c
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@ -76,6 +76,11 @@ static int net_snmp6_open(void)
return generic_proc_open("PROC_NET_SNMP6", "net/snmp6");
}
static int net_sctp_snmp_open(void)
{
return generic_proc_open("PROC_NET_SCTP_SNMP", "net/sctp/snmp");
}
struct nstat_ent {
struct nstat_ent *next;
char *id;
@ -247,6 +252,16 @@ static void load_ugly_table(FILE *fp)
}
}
static void load_sctp_snmp(void)
{
FILE *fp = fdopen(net_sctp_snmp_open(), "r");
if (fp) {
load_good_table(fp);
fclose(fp);
}
}
static void load_snmp(void)
{
FILE *fp = fdopen(net_snmp_open(), "r");
@ -391,6 +406,7 @@ static void update_db(int interval)
load_netstat();
load_snmp6();
load_snmp();
load_sctp_snmp();
h = kern_db;
kern_db = n;
@ -450,6 +466,7 @@ static void server_loop(int fd)
load_netstat();
load_snmp6();
load_snmp();
load_sctp_snmp();
for (;;) {
int status;
@ -706,6 +723,7 @@ int main(int argc, char *argv[])
load_netstat();
load_snmp6();
load_snmp();
load_sctp_snmp();
if (info_source[0] == 0)
strcpy(info_source, "kernel");
}