Expose damon_refresh()
This commit is contained in:
parent
36c3aa4efb
commit
2bf3796ddd
395
src/damon.c
395
src/damon.c
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@ -78,7 +78,7 @@ static void _damon_destroy(DaMon * damon);
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static int _damon_perror(char const * message, int error);
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static int _damon_refresh(DaMon * damon);
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static int _rrd_update(DaMon * damon, char const * filename, int args_cnt, ...);
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/* functions */
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@ -130,6 +130,198 @@ Event * damon_get_event(DaMon * damon)
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}
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/* useful */
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/* damon_refresh */
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static AppClient * _refresh_connect(Host * host, Event * event);
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static int _refresh_uptime(AppClient * ac, Host * host, char * rrd);
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static int _refresh_load(AppClient * ac, Host * host, char * rrd);
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static int _refresh_ram(AppClient * ac, Host * host, char * rrd);
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static int _refresh_swap(AppClient * ac, Host * host, char * rrd);
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static int _refresh_procs(AppClient * ac, Host * host, char * rrd);
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static int _refresh_users(AppClient * ac, Host * host, char * rrd);
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static int _refresh_ifaces(AppClient * ac, Host * host, char * rrd);
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static int _refresh_vols(AppClient * ac, Host * host, char * rrd);
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int damon_refresh(DaMon * damon)
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{
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unsigned int i;
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AppClient * ac = NULL;
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char * rrd = NULL;
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char * p;
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Host * hosts = damon->hosts;
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s()\n", __func__);
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#endif
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for(i = 0; i < damon->hosts_cnt; i++)
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{
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if((ac = hosts[i].appclient) == NULL)
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if((ac = _refresh_connect(&hosts[i], damon->event))
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== NULL)
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continue;
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if((p = realloc(rrd, string_length(hosts[i].hostname) + 12))
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== NULL) /* XXX avoid this constant */
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break;
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rrd = p;
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if(_refresh_uptime(ac, &hosts[i], rrd) != 0
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|| _refresh_load(ac, &hosts[i], rrd) != 0
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|| _refresh_ram(ac, &hosts[i], rrd) != 0
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|| _refresh_swap(ac, &hosts[i], rrd) != 0
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|| _refresh_procs(ac, &hosts[i], rrd) != 0
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|| _refresh_users(ac, &hosts[i], rrd) != 0
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|| _refresh_ifaces(ac, &hosts[i], rrd) != 0
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|| _refresh_vols(ac, &hosts[i], rrd) != 0)
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{
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appclient_delete(ac);
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hosts[i].appclient = NULL;
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continue;
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}
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ac = NULL;
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}
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free(rrd);
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if(ac != NULL)
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fprintf(stderr, "%s", "DaMon: refresh: An error occured\n");
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return 0;
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}
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static AppClient * _refresh_connect(Host * host, Event * event)
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{
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if(setenv("APPSERVER_Probe", host->hostname, 1) != 0)
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return NULL;
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if((host->appclient = appclient_new_event(NULL, "Probe", NULL, event))
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== NULL)
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error_print(PROGNAME);
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return host->appclient;
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}
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static int _refresh_uptime(AppClient * ac, Host * host, char * rrd)
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{
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int32_t ret;
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if(appclient_call(ac, (void **)&ret, "uptime") != 0)
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return error_print(PROGNAME);
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "uptime.rrd");
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_rrd_update(host->damon, rrd, 1, ret);
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return 0;
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}
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static int _refresh_load(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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uint32_t load[3];
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if(appclient_call(ac, (void **)&res, "load", &load[0], &load[1],
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&load[2]) != 0)
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return error_print(PROGNAME);
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if(res != 0)
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return 0;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "load.rrd");
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_rrd_update(host->damon, rrd, 3, load[0], load[1], load[2]);
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return 0;
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}
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static int _refresh_procs(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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if(appclient_call(ac, (void **)&res, "procs") != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "procs.rrd");
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_rrd_update(host->damon, rrd, 1, res);
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return 0;
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}
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static int _refresh_ram(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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uint32_t ram[4];
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if(appclient_call(ac, (void **)&res, "ram", &ram[0], &ram[1], &ram[2],
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&ram[3]) != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "ram.rrd");
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_rrd_update(host->damon, rrd, 4, ram[0], ram[1], ram[2], ram[3]);
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return 0;
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}
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static int _refresh_swap(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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uint32_t swap[2];
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if(appclient_call(ac, (void **)&res, "swap", &swap[0], &swap[1]) != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "swap.rrd");
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_rrd_update(host->damon, rrd, 2, swap[0], swap[1]);
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return 0;
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}
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static int _refresh_users(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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if(appclient_call(ac, (void **)&res, "users") != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "users.rrd");
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_rrd_update(host->damon, rrd, 1, res);
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return 0;
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}
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static int _ifaces_if(AppClient * ac, Host * host, char * rrd,
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char const * iface);
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static int _refresh_ifaces(AppClient * ac, Host * host, char * rrd)
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{
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char ** p = host->ifaces;
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int ret = 0;
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if(p == NULL)
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return 0;
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for(; *p != NULL; p++)
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ret |= _ifaces_if(ac, host, rrd, *p);
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return ret;
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}
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static int _ifaces_if(AppClient * ac, Host * host, char * rrd,
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char const * iface)
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{
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int32_t res[2];
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if(appclient_call(ac, (void **)&res[0], "ifrxbytes", iface) != 0
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|| appclient_call(ac, (void **)&res[1], "iftxbytes",
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iface) != 0)
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return 1;
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sprintf(rrd, "%s%c%s%s", host->hostname, DAMON_SEP, iface, ".rrd");
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_rrd_update(host->damon, rrd, 2, res[0], res[1]);
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return 0;
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}
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static int _vols_vol(AppClient * ac, Host * host, char * rrd, char * vol);
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static int _refresh_vols(AppClient * ac, Host * host, char * rrd)
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{
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char ** p = host->vols;
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int ret = 0;
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if(p == NULL)
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return 0;
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for(; *p != NULL; p++)
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ret |= _vols_vol(ac, host, rrd, *p);
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return ret;
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}
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static int _vols_vol(AppClient * ac, Host * host, char * rrd, char * vol)
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{
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int32_t res[2];
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if(appclient_call(ac, (void **)&res[0], "voltotal", vol) != 0
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|| appclient_call(ac, (void **)&res[1], "volfree", vol)
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!= 0)
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return 1;
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sprintf(rrd, "%s%s%s", host->hostname, vol, ".rrd"); /* FIXME */
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_rrd_update(host->damon, rrd, 2, res[0], res[1]);
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return 0;
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}
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/* private */
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/* functions */
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/* damon_init */
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@ -144,11 +336,11 @@ static int _damon_init(DaMon * damon, char const * config, Event * event)
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if(_init_config(damon, config) != 0)
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return 1;
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damon->event = event;
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_damon_refresh(damon);
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damon_refresh(damon);
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tv.tv_sec = damon->refresh;
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tv.tv_usec = 0;
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event_register_timeout(damon->event, &tv,
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(EventTimeoutFunc)_damon_refresh, damon);
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(EventTimeoutFunc)damon_refresh, damon);
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return 0;
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}
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@ -322,198 +514,9 @@ static int _damon_perror(char const * message, int ret)
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}
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/* damon_refresh */
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static AppClient * _refresh_connect(Host * host, Event * event);
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static int _refresh_uptime(AppClient * ac, Host * host, char * rrd);
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static int _refresh_load(AppClient * ac, Host * host, char * rrd);
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static int _refresh_ram(AppClient * ac, Host * host, char * rrd);
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static int _refresh_swap(AppClient * ac, Host * host, char * rrd);
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static int _refresh_procs(AppClient * ac, Host * host, char * rrd);
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static int _refresh_users(AppClient * ac, Host * host, char * rrd);
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static int _refresh_ifaces(AppClient * ac, Host * host, char * rrd);
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static int _refresh_vols(AppClient * ac, Host * host, char * rrd);
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/* rrd_update */
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static int _update_exec(char * argv[]);
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static int _damon_refresh(DaMon * damon)
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{
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unsigned int i;
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AppClient * ac = NULL;
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char * rrd = NULL;
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char * p;
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Host * hosts = damon->hosts;
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s()\n", __func__);
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#endif
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for(i = 0; i < damon->hosts_cnt; i++)
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{
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if((ac = hosts[i].appclient) == NULL)
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if((ac = _refresh_connect(&hosts[i], damon->event))
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== NULL)
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continue;
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if((p = realloc(rrd, string_length(hosts[i].hostname) + 12))
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== NULL) /* XXX avoid this constant */
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break;
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rrd = p;
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if(_refresh_uptime(ac, &hosts[i], rrd) != 0
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|| _refresh_load(ac, &hosts[i], rrd) != 0
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|| _refresh_ram(ac, &hosts[i], rrd) != 0
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|| _refresh_swap(ac, &hosts[i], rrd) != 0
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|| _refresh_procs(ac, &hosts[i], rrd) != 0
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|| _refresh_users(ac, &hosts[i], rrd) != 0
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|| _refresh_ifaces(ac, &hosts[i], rrd) != 0
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|| _refresh_vols(ac, &hosts[i], rrd) != 0)
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{
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appclient_delete(ac);
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hosts[i].appclient = NULL;
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continue;
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}
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ac = NULL;
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}
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free(rrd);
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if(ac != NULL)
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fprintf(stderr, "%s", "DaMon: refresh: An error occured\n");
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return 0;
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}
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static AppClient * _refresh_connect(Host * host, Event * event)
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{
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if(setenv("APPSERVER_Probe", host->hostname, 1) != 0)
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return NULL;
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if((host->appclient = appclient_new_event(NULL, "Probe", NULL, event))
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== NULL)
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error_print(PROGNAME);
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return host->appclient;
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}
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static int _rrd_update(DaMon * damon, char const * filename, int args_cnt, ...);
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static int _refresh_uptime(AppClient * ac, Host * host, char * rrd)
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{
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int32_t ret;
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if(appclient_call(ac, (void **)&ret, "uptime") != 0)
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return error_print(PROGNAME);
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "uptime.rrd");
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_rrd_update(host->damon, rrd, 1, ret);
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return 0;
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}
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static int _refresh_load(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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uint32_t load[3];
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if(appclient_call(ac, (void **)&res, "load", &load[0], &load[1],
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&load[2]) != 0)
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return error_print(PROGNAME);
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if(res != 0)
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return 0;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "load.rrd");
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_rrd_update(host->damon, rrd, 3, load[0], load[1], load[2]);
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return 0;
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}
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static int _refresh_procs(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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if(appclient_call(ac, (void **)&res, "procs") != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "procs.rrd");
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_rrd_update(host->damon, rrd, 1, res);
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return 0;
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}
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static int _refresh_ram(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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uint32_t ram[4];
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if(appclient_call(ac, (void **)&res, "ram", &ram[0], &ram[1], &ram[2],
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&ram[3]) != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "ram.rrd");
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_rrd_update(host->damon, rrd, 4, ram[0], ram[1], ram[2], ram[3]);
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return 0;
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}
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static int _refresh_swap(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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uint32_t swap[2];
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if(appclient_call(ac, (void **)&res, "swap", &swap[0], &swap[1]) != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "swap.rrd");
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_rrd_update(host->damon, rrd, 2, swap[0], swap[1]);
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return 0;
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}
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static int _refresh_users(AppClient * ac, Host * host, char * rrd)
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{
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int32_t res;
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if(appclient_call(ac, (void **)&res, "users") != 0)
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return 1;
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sprintf(rrd, "%s%c%s", host->hostname, DAMON_SEP, "users.rrd");
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_rrd_update(host->damon, rrd, 1, res);
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return 0;
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}
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static int _ifaces_if(AppClient * ac, Host * host, char * rrd,
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char const * iface);
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static int _refresh_ifaces(AppClient * ac, Host * host, char * rrd)
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{
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char ** p = host->ifaces;
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int ret = 0;
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if(p == NULL)
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return 0;
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for(; *p != NULL; p++)
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ret |= _ifaces_if(ac, host, rrd, *p);
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return ret;
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}
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static int _ifaces_if(AppClient * ac, Host * host, char * rrd,
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char const * iface)
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{
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int32_t res[2];
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if(appclient_call(ac, (void **)&res[0], "ifrxbytes", iface) != 0
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|| appclient_call(ac, (void **)&res[1], "iftxbytes",
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iface) != 0)
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return 1;
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sprintf(rrd, "%s%c%s%s", host->hostname, DAMON_SEP, iface, ".rrd");
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_rrd_update(host->damon, rrd, 2, res[0], res[1]);
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return 0;
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}
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static int _vols_vol(AppClient * ac, Host * host, char * rrd, char * vol);
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static int _refresh_vols(AppClient * ac, Host * host, char * rrd)
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{
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char ** p = host->vols;
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int ret = 0;
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if(p == NULL)
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return 0;
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for(; *p != NULL; p++)
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ret |= _vols_vol(ac, host, rrd, *p);
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return ret;
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}
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static int _vols_vol(AppClient * ac, Host * host, char * rrd, char * vol)
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{
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int32_t res[2];
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if(appclient_call(ac, (void **)&res[0], "voltotal", vol) != 0
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|| appclient_call(ac, (void **)&res[1], "volfree", vol)
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!= 0)
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return 1;
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sprintf(rrd, "%s%s%s", host->hostname, vol, ".rrd"); /* FIXME */
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_rrd_update(host->damon, rrd, 2, res[0], res[1]);
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return 0;
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}
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static int _exec(char * argv[]);
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static int _rrd_update(DaMon * damon, char const * filename, int args_cnt, ...)
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{
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char * argv[] = { RRDTOOL, "update", NULL, NULL, NULL };
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@ -533,13 +536,13 @@ static int _rrd_update(DaMon * damon, char const * filename, int args_cnt, ...)
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for(i = 0; i < args_cnt; i++)
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pos += sprintf(&argv[3][pos], ":%u", va_arg(args, unsigned));
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va_end(args);
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ret = _exec(argv);
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ret = _update_exec(argv);
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free(argv[3]);
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string_delete(argv[2]);
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return ret;
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||||
}
|
||||
|
||||
static int _exec(char * argv[])
|
||||
static int _update_exec(char * argv[])
|
||||
{
|
||||
pid_t pid;
|
||||
int status;
|
||||
|
|
|
|||
|
|
@ -34,4 +34,7 @@ void damon_delete(DaMon * damon);
|
|||
/* accessors */
|
||||
Event * damon_get_event(DaMon * damon);
|
||||
|
||||
/* useful */
|
||||
int damon_refresh(DaMon * damon);
|
||||
|
||||
#endif /* !DAMON_DAMON_H */
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user