DeforaOS/Probe
DeforaOS/Probe
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More robust to errors

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This commit is contained in:
Pierre Pronchery 2005-10-27 00:40:36 +00:00
parent e507efeef0
commit f2dfcf7d78
1 changed files with 99 additions and 40 deletions
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127
src/damon.c
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@ -23,6 +23,7 @@ typedef struct _Host
/* DaMon */
Event * event; /* FIXME */
static int _damon_error(char * message, int ret);
static int _damon_refresh(Host * hosts);
static int _damon(void)
@ -35,26 +36,11 @@ static int _damon(void)
/* { NULL, "ss20.dmz.defora.org" }, */
{ NULL, NULL, NULL }
};
Event * event;
struct timeval tv;
int i;
int j;
if((event = event_new()) == NULL)
return _damon_error("Event", 2);
for(i = 0; hosts[i].hostname != NULL; i++)
{
if(setenv("APPSERVER_Probe", hosts[i].hostname, 1) != 0)
break;
if((hosts[i].appclient = appclient_new_event("Probe", event))
== NULL)
{
_damon_error(hosts[i].hostname, 0);
break;
}
}
if(hosts[i].hostname == NULL)
{
_damon_refresh(hosts);
tv.tv_sec = DAMON_REFRESH;
tv.tv_usec = 0;
@ -62,9 +48,9 @@ static int _damon(void)
(EventTimeoutFunc)_damon_refresh, hosts);
if(event_loop(event) != 0)
_damon_error("AppClient", 0);
}
for(j = 0; j < i; j++)
appclient_delete(hosts[j].appclient);
for(i = 0; hosts[i].hostname != NULL; i++)
if(hosts[i].appclient != NULL)
appclient_delete(hosts[i].appclient);
event_delete(event);
return 2;
}
@ -76,6 +62,7 @@ static int _damon_error(char * message, int ret)
return ret;
}
static AppClient * _refresh_connect(Host * host);
static int _rrd_update(char * file, int args_cnt, ...);
static int _damon_refresh(Host * hosts)
{
@ -86,43 +73,105 @@ static int _damon_refresh(Host * hosts)
int res[4];
fprintf(stderr, "%s", "_damon_refresh()\n");
for(i = 0; (ac = hosts[i].appclient) != NULL; i++)
for(i = 0; hosts[i].hostname != NULL; i++)
{
if((ac = hosts[i].appclient) == NULL)
if((ac = _refresh_connect(&hosts[i])) == NULL)
continue;
if((p = realloc(rrd, string_length(hosts[i].hostname) + 12))
== NULL)
break;
rrd = p;
/* uptime */
if((res[0] = appclient_call(ac, "uptime", 0)) == -1)
{
appclient_delete(ac);
hosts[i].appclient = NULL;
continue;
}
sprintf(rrd, "%s/%s", hosts[i].hostname, "uptime.rrd");
res[0] = appclient_call(ac, "uptime", 0);
_rrd_update(rrd, 1, res[0]);
/* load */
if((res[0] = appclient_call(ac, "load_1", 0)) == -1
|| (res[1] = appclient_call(ac, "load_5",
0)) == -1
|| (res[2] = appclient_call(ac, "load_15",
0)) == -1)
{
appclient_delete(ac);
hosts[i].appclient = NULL;
continue;
}
sprintf(rrd, "%s/%s", hosts[i].hostname, "load.rrd");
res[0] = appclient_call(ac, "load_1", 0);
res[1] = appclient_call(ac, "load_5", 0);
res[2] = appclient_call(ac, "load_15", 0);
_rrd_update(rrd, 3, res[0], res[1], res[2]);
/* ram */
if((res[0] = appclient_call(ac, "ram_total", 0)) == -1
|| (res[1] = appclient_call(ac, "ram_free",
0)) == -1
|| (res[2] = appclient_call(ac, "ram_shared",
0)) == -1
|| (res[3] = appclient_call(ac, "ram_buffer",
0)) == -1)
{
appclient_delete(ac);
hosts[i].appclient = NULL;
continue;
}
sprintf(rrd, "%s/%s", hosts[i].hostname, "ram.rrd");
res[0] = appclient_call(ac, "ram_total", 0);
res[1] = appclient_call(ac, "ram_free", 0);
res[2] = appclient_call(ac, "ram_shared", 0);
res[3] = appclient_call(ac, "ram_buffer", 0);
_rrd_update(rrd, 4, res[0], res[1], res[2], res[3]);
/* swap */
if((res[0] = appclient_call(ac, "swap_total", 0)) == -1
|| (res[1] = appclient_call(ac, "swap_free",
0)) == -1)
{
appclient_delete(ac);
hosts[i].appclient = NULL;
continue;
}
sprintf(rrd, "%s/%s", hosts[i].hostname, "swap.rrd");
res[0] = appclient_call(ac, "swap_total", 0);
res[1] = appclient_call(ac, "swap_free", 0);
_rrd_update(rrd, 2, res[0], res[1]);
/* users */
if((res[0] = appclient_call(ac, "users", 0)) == -1)
{
appclient_delete(ac);
hosts[i].appclient = NULL;
continue;
}
sprintf(rrd, "%s/%s", hosts[i].hostname, "users.rrd");
res[0] = appclient_call(ac, "users", 0);
_rrd_update(rrd, 1, res[0]);
/* procs */
if((res[0] = appclient_call(ac, "procs", 0)) == -1)
{
appclient_delete(ac);
hosts[i].appclient = NULL;
continue;
}
sprintf(rrd, "%s/%s", hosts[i].hostname, "procs.rrd");
res[0] = appclient_call(ac, "procs", 0);
_rrd_update(rrd, 1, res[0]);
/* if */
if((p = hosts[i].iface) != NULL)
{
if((res[0] = appclient_call(ac, "ifrxbytes", 1,
p)) == -1
|| (res[1] = appclient_call(ac,
"iftxbytes", 1,
p)) == -1)
{
appclient_delete(ac);
hosts[i].appclient = NULL;
continue;
}
sprintf(rrd, "%s/%s%s", hosts[i].hostname, p, ".rrd");
res[0] = appclient_call(ac, "ifrxbytes", 1, p);
res[1] = appclient_call(ac, "iftxbytes", 1, p);
_rrd_update(rrd, 2, res[0], res[1]);
}
ac = NULL;
}
free(rrd);
if(ac != NULL)
@ -130,6 +179,16 @@ static int _damon_refresh(Host * hosts)
return 0;
}
static AppClient * _refresh_connect(Host * host)
{
if(setenv("APPSERVER_Probe", host->hostname, 1) != 0)
return NULL;
if((host->appclient = appclient_new_event("Probe", event))
== NULL)
_damon_error(host->hostname, 0);
return host->appclient;
}
static int _exec(char * argv[]);
static int _rrd_update(char * file, int args_cnt, ...)
{
@ -180,7 +239,7 @@ static int _exec(char * argv[])
/* main */
int main(int argc, char * argv[])
int main(void)
{
return _damon();
}