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ss: show send queue length on unix domain sockets 

On sockets in listen state Send-Q reports the maximum backlog,
otherwise it reports allocated socket write memory.

Cc: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
This commit is contained in:
Hannes Frederic Sowa 2013-02-22 15:28:10 +00:00 committed by Stephen Hemminger
parent 05e983ea82
commit defd61ca91
1 changed files with 9 additions and 5 deletions
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14
misc/ss.c
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@ -2139,7 +2139,7 @@ static int unix_show_sock(struct nlmsghdr *nlh, struct filter *f)
struct rtattr *tb[UNIX_DIAG_MAX+1]; struct rtattr *tb[UNIX_DIAG_MAX+1];
char name[128]; char name[128];
int peer_ino; int peer_ino;
int rqlen; __u32 rqlen, wqlen;
parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr*)(r+1), parse_rtattr(tb, UNIX_DIAG_MAX, (struct rtattr*)(r+1),
nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); nlh->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
@ -2150,12 +2150,16 @@ static int unix_show_sock(struct nlmsghdr *nlh, struct filter *f)
if (state_width) if (state_width)
printf("%-*s ", state_width, sstate_name[r->udiag_state]); printf("%-*s ", state_width, sstate_name[r->udiag_state]);
if (tb[UNIX_DIAG_RQLEN]) if (tb[UNIX_DIAG_RQLEN]) {
rqlen = *(int *)RTA_DATA(tb[UNIX_DIAG_RQLEN]); struct unix_diag_rqlen *rql = RTA_DATA(tb[UNIX_DIAG_RQLEN]);
else rqlen = rql->udiag_rqueue;
wqlen = rql->udiag_wqueue;
} else {
rqlen = 0; rqlen = 0;
wqlen = 0;
}
printf("%-6d %-6d ", rqlen, 0); printf("%-6u %-6u ", rqlen, wqlen);
if (tb[UNIX_DIAG_NAME]) { if (tb[UNIX_DIAG_NAME]) {
int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]); int len = RTA_PAYLOAD(tb[UNIX_DIAG_NAME]);