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darwin/bsd tcp_stat impl

This commit is contained in:
Doug MacEachern 2007-07-14 22:17:22 +00:00
parent c61e7a78b6
commit b19b26392d
1 changed files with 20 additions and 1 deletions
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21
src/os/darwin/darwin_sigar.c
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@ -2152,7 +2152,26 @@ SIGAR_DECLARE(int)
sigar_tcp_stat_get(sigar_t *sigar,
sigar_tcp_stat_t *tcpstat)
{
return SIGAR_ENOTIMPL;
struct tcpstat mib;
int var[4] = { CTL_NET, PF_INET, IPPROTO_TCP, TCPCTL_STATS };
size_t len = sizeof(mib);
if (sysctl(var, NMIB(var), &mib, &len, NULL, 0) < 0) {
return errno;
}
tcpstat->max_conn = -1;
tcpstat->active_opens = mib.tcps_connattempt;
tcpstat->passive_opens = mib.tcps_accepts;
tcpstat->attempt_fails = mib.tcps_conndrops;
tcpstat->estab_resets = mib.tcps_drops;
tcpstat->curr_estab = 0; /*XXX*/
tcpstat->in_segs = mib.tcps_rcvtotal;
tcpstat->out_segs = mib.tcps_sndtotal - mib.tcps_sndrexmitpack;
tcpstat->retrans_segs = mib.tcps_sndrexmitpack;
tcpstat->out_rsts = mib.tcps_sndctrl - mib.tcps_closed;
return SIGAR_OK;
}
#ifdef __FreeBSD__