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fix #142, tcp stat slow bug, use /proc/net/sockstat instead, refer to 'ss -s'. 0.9.183.

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This commit is contained in:
winlin 2014-08-02 09:54:21 +08:00
parent d5f03200a7
commit 721acc350a
5 changed files with 60 additions and 57 deletions
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101
trunk/src/app/srs_app_utility.cpp
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@ -781,7 +781,7 @@ SrsNetworkRtmpServer::SrsNetworkRtmpServer()
ok = false;
sample_time = rbytes = sbytes = 0;
nb_conn_sys = nb_conn_srs = 0;
nb_conn_sys_et = nb_conn_sys_tw = nb_conn_sys_ls = 0;
nb_conn_sys_et = nb_conn_sys_tw = 0;
nb_conn_sys_udp = 0;
}
@ -812,88 +812,88 @@ enum {
void srs_update_rtmp_server(int nb_conn, SrsKbps* kbps)
{
SrsNetworkRtmpServer& r = _srs_network_rtmp_server;
// reset total.
r.nb_conn_sys = 0;
int nb_socks = 0;
int nb_tcp4_hashed = 0;
int nb_tcp_orphans = 0;
int nb_tcp_tws = 0;
int nb_tcp_total = 0;
int nb_tcp_mem = 0;
int nb_udp4 = 0;
if (true) {
FILE* f = fopen("/proc/net/tcp", "r");
FILE* f = fopen("/proc/net/sockstat", "r");
if (f == NULL) {
srs_warn("open proc network tcp failed, ignore");
srs_warn("open proc network sockstat failed, ignore");
return;
}
// ignore title.
static char buf[1024];
fgets(buf, sizeof(buf), f);
int nb_conn_sys_established = 0;
int nb_conn_sys_time_wait = 0;
int nb_conn_sys_listen = 0;
int nb_conn_sys_other = 0;
// @see: http://tester-higkoo.googlecode.com/svn-history/r14/trunk/Tools/iostat/iostat.c
// @see: https://github.com/shemminger/iproute2/blob/master/misc/ss.c
while (fgets(buf, sizeof(buf), f)) {
int st = 0;
int ret = sscanf(buf, "%*s %*s %*s %2x\n", &st);
if (ret == 1) {
if (st == SYS_TCP_ESTABLISHED) {
nb_conn_sys_established++;
} else if (st == SYS_TCP_TIME_WAIT) {
nb_conn_sys_time_wait++;
} else if (st == SYS_TCP_LISTEN) {
nb_conn_sys_listen++;
} else {
nb_conn_sys_other++;
}
}
if (ret == EOF) {
break;
// @see: get_sockstat_line()
if (strncmp(buf, "sockets: used ", 14) == 0) {
int ret = sscanf(buf, "%*s %*s %d\n", &nb_socks);
srs_assert(ret == 1);
} else if (strncmp(buf, "TCP: ", 5) == 0) {
int ret = sscanf(buf, "%*s %*s %d %*s %d %*s %d %*s %d %*s %d\n",
&nb_tcp4_hashed, &nb_tcp_orphans, &nb_tcp_tws, &nb_tcp_total, &nb_tcp_mem);
srs_assert(ret == 5);
} else if (strncmp(buf, "UDP: ", 5) == 0) {
int ret = sscanf(buf, "%*s %*s %d\n", &nb_udp4);
srs_assert(ret == 1);
}
}
r.nb_conn_sys = nb_conn_sys_established + nb_conn_sys_time_wait + nb_conn_sys_listen + nb_conn_sys_other;
r.nb_conn_sys_et = nb_conn_sys_established;
r.nb_conn_sys_tw = nb_conn_sys_time_wait;
r.nb_conn_sys_ls = nb_conn_sys_listen;
fclose(f);
}
int nb_tcp_estab = 0;
if (true) {
FILE* f = fopen("/proc/net/udp", "r");
FILE* f = fopen("/proc/net/snmp", "r");
if (f == NULL) {
srs_warn("open proc network udp failed, ignore");
srs_warn("open proc network snmp failed, ignore");
return;
}
// ignore title.
static char buf[1024];
fgets(buf, sizeof(buf), f);
// all udp is close state.
int nb_conn_sys_close = 0;
// @see: http://tester-higkoo.googlecode.com/svn-history/r14/trunk/Tools/iostat/iostat.c
// @see: https://github.com/shemminger/iproute2/blob/master/misc/ss.c
while (fgets(buf, sizeof(buf), f)) {
int st = 0;
int ret = sscanf(buf, "%*s %*s %*s %2x\n", &st);
if (ret == EOF) {
break;
// @see: get_snmp_int("Tcp:", "CurrEstab", &sn.tcp_estab)
// tcp stat title
if (strncmp(buf, "Tcp: ", 5) == 0) {
// read tcp stat data
if (!fgets(buf, sizeof(buf), f)) {
break;
}
// parse tcp stat data
if (strncmp(buf, "Tcp: ", 5) == 0) {
int ret = sscanf(buf, "%*s %*d %*d %*d %*d %*d %*d %*d %*d %d\n", &nb_tcp_estab);
srs_assert(ret == 1);
}
}
nb_conn_sys_close++;
}
r.nb_conn_sys += nb_conn_sys_close;
r.nb_conn_sys_udp = nb_conn_sys_close;
fclose(f);
}
// @see: https://github.com/shemminger/iproute2/blob/master/misc/ss.c
// TODO: FIXME: ignore the slabstat, @see: get_slabstat()
if (true) {
// @see: print_summary()
r.nb_conn_sys = nb_tcp_total + nb_tcp_tws;
r.nb_conn_sys_et = nb_tcp_estab;
r.nb_conn_sys_tw = nb_tcp_tws;
r.nb_conn_sys_udp = nb_udp4;
}
if (true) {
r.ok = true;
@ -1113,7 +1113,6 @@ void srs_api_dump_summaries(std::stringstream& ss)
<< __SRS_JFIELD_ORG("conn_sys", nrs->nb_conn_sys) << __SRS_JFIELD_CONT
<< __SRS_JFIELD_ORG("conn_sys_et", nrs->nb_conn_sys_et) << __SRS_JFIELD_CONT
<< __SRS_JFIELD_ORG("conn_sys_tw", nrs->nb_conn_sys_tw) << __SRS_JFIELD_CONT
<< __SRS_JFIELD_ORG("conn_sys_ls", nrs->nb_conn_sys_ls) << __SRS_JFIELD_CONT
<< __SRS_JFIELD_ORG("conn_sys_udp", nrs->nb_conn_sys_udp) << __SRS_JFIELD_CONT
<< __SRS_JFIELD_ORG("conn_srs", nrs->nb_conn_srs)
<< __SRS_JOBJECT_END