DaMon: share the definition of DaMonHost
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9d30692a08
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1a30b948e8
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@ -17,8 +17,6 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <System.h>
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#include <System/App.h>
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#include "rrd.h"
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#include "damon.h"
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#include "../config.h"
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@ -34,75 +32,54 @@
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#define DAMON_SEP '/'
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/* types */
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/* XXX duplicated from damon.c */
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typedef struct _Host
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{
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DaMon * damon;
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AppClient * appclient;
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char * hostname;
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char ** ifaces;
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char ** vols;
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} Host;
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struct _DaMon
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{
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char const * prefix;
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unsigned int refresh;
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Host * hosts;
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unsigned int hosts_cnt;
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Event * event;
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};
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/* functions */
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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_ifaces_if(AppClient * ac, Host * host, char * rrd,
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static AppClient * _refresh_connect(DaMonHost * host, Event * event);
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static int _refresh_uptime(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_load(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_ram(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_swap(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_procs(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_users(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_ifaces(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_ifaces_if(AppClient * ac, DaMonHost * host, char * rrd,
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char const * iface);
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static int _refresh_vols(AppClient * ac, Host * host, char * rrd);
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static int _refresh_vols_vol(AppClient * ac, Host * host, char * rrd,
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static int _refresh_vols(AppClient * ac, DaMonHost * host, char * rrd);
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static int _refresh_vols_vol(AppClient * ac, DaMonHost * host, char * rrd,
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char * vol);
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int damon_refresh(DaMon * damon)
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{
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unsigned int i;
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size_t 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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DaMonHost * host;
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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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for(i = 0; (host = damon_get_host_by_id(damon, i)) != NULL; 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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if((ac = host->appclient) == NULL)
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if((ac = _refresh_connect(host, damon_get_event(damon)))
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== NULL)
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continue;
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if((p = realloc(rrd, string_get_length(hosts[i].hostname) + 12))
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if((p = realloc(rrd, string_get_length(host->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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if(_refresh_uptime(ac, host, rrd) != 0
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|| _refresh_load(ac, host, rrd) != 0
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|| _refresh_ram(ac, host, rrd) != 0
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|| _refresh_swap(ac, host, rrd) != 0
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|| _refresh_procs(ac, host, rrd) != 0
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|| _refresh_users(ac, host, rrd) != 0
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|| _refresh_ifaces(ac, host, rrd) != 0
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|| _refresh_vols(ac, host, 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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host->appclient = NULL;
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continue;
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}
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ac = NULL;
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@ -114,7 +91,7 @@ int damon_refresh(DaMon * damon)
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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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static AppClient * _refresh_connect(DaMonHost * 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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@ -124,7 +101,7 @@ static AppClient * _refresh_connect(Host * host, Event * event)
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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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static int _refresh_uptime(AppClient * ac, DaMonHost * host, char * rrd)
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{
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int32_t ret;
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@ -135,7 +112,7 @@ static int _refresh_uptime(AppClient * ac, Host * host, char * rrd)
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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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static int _refresh_load(AppClient * ac, DaMonHost * 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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@ -151,7 +128,7 @@ static int _refresh_load(AppClient * ac, Host * host, char * rrd)
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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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static int _refresh_procs(AppClient * ac, DaMonHost * host, char * rrd)
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{
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int32_t res;
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@ -162,7 +139,7 @@ static int _refresh_procs(AppClient * ac, Host * host, char * rrd)
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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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static int _refresh_ram(AppClient * ac, DaMonHost * 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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@ -176,7 +153,7 @@ static int _refresh_ram(AppClient * ac, Host * host, char * rrd)
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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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static int _refresh_swap(AppClient * ac, DaMonHost * 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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@ -188,7 +165,7 @@ static int _refresh_swap(AppClient * ac, Host * host, char * rrd)
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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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static int _refresh_users(AppClient * ac, DaMonHost * host, char * rrd)
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{
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int32_t res;
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@ -199,7 +176,7 @@ static int _refresh_users(AppClient * ac, Host * host, char * rrd)
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return 0;
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}
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static int _refresh_ifaces(AppClient * ac, Host * host, char * rrd)
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static int _refresh_ifaces(AppClient * ac, DaMonHost * 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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@ -211,7 +188,7 @@ static int _refresh_ifaces(AppClient * ac, Host * host, char * rrd)
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return ret;
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}
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static int _refresh_ifaces_if(AppClient * ac, Host * host, char * rrd,
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static int _refresh_ifaces_if(AppClient * ac, DaMonHost * 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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@ -225,7 +202,7 @@ static int _refresh_ifaces_if(AppClient * ac, Host * host, char * rrd,
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return 0;
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}
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static int _refresh_vols(AppClient * ac, Host * host, char * rrd)
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static int _refresh_vols(AppClient * ac, DaMonHost * 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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@ -237,7 +214,7 @@ static int _refresh_vols(AppClient * ac, Host * host, char * rrd)
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return ret;
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}
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static int _refresh_vols_vol(AppClient * ac, Host * host, char * rrd,
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static int _refresh_vols_vol(AppClient * ac, DaMonHost * host, char * rrd,
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char * vol)
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{
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int32_t res[2];
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47
src/damon.c
47
src/damon.c
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@ -43,21 +43,12 @@
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/* DaMon */
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/* private */
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/* types */
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typedef struct _Host
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{
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DaMon * damon;
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AppClient * appclient;
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char * hostname;
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char ** ifaces;
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char ** vols;
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} Host;
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struct _DaMon
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{
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char * prefix;
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String * rrdcached;
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unsigned int refresh;
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Host * hosts;
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DaMonHost * hosts;
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unsigned int hosts_cnt;
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Event * event;
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};
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@ -124,6 +115,14 @@ Event * damon_get_event(DaMon * damon)
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return damon->event;
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}
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/* damon_get_host_by_id */
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DaMonHost * damon_get_host_by_id(DaMon * damon, size_t id)
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{
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if(damon->hosts_cnt >= id)
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return NULL;
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return &damon->hosts[id];
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}
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/* useful */
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/* damon_error */
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@ -179,9 +178,9 @@ int damon_update(DaMon * damon, RRDType type, char const * filename,
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/* damon_init */
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static int _init_config(DaMon * damon, char const * filename);
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static int _init_config_hosts(DaMon * damon, Config * config,
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char const * hosts);
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static int _init_config_hosts_host(DaMon * damon, Config * config, Host * host,
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char const * h, unsigned int pos);
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String const * hosts);
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static int _init_config_hosts_host(DaMon * damon, Config * config, DaMonHost * host,
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String const * h, unsigned int pos);
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static char ** _init_config_hosts_host_comma(char const * line);
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static int _damon_init(DaMon * damon, char const * config, Event * event)
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@ -256,7 +255,7 @@ static int _init_config_hosts(DaMon * damon, Config * config,
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{
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String const * h = hosts;
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unsigned int pos = 0;
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Host * p;
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DaMonHost * p;
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while(h[0] != '\0')
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{
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@ -284,8 +283,8 @@ static int _init_config_hosts(DaMon * damon, Config * config,
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return 0;
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}
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static int _init_config_hosts_host(DaMon * damon, Config * config, Host * host,
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char const * h, unsigned int pos)
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static int _init_config_hosts_host(DaMon * damon, Config * config, DaMonHost * host,
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String const * h, unsigned int pos)
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{
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String const * p;
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@ -354,18 +353,22 @@ static char ** _init_config_hosts_host_comma(char const * line)
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/* damon_destroy */
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static void _destroy_host(DaMonHost * host);
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static void _damon_destroy(DaMon * damon)
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{
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unsigned int i;
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for(i = 0; i < damon->hosts_cnt; i++)
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{
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free(damon->hosts[i].hostname);
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if(damon->hosts[i].appclient != NULL)
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appclient_delete(damon->hosts[i].appclient);
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}
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event_delete(damon->event);
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_destroy_host(&damon->hosts[i]);
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free(damon->hosts);
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string_delete(damon->rrdcached);
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free(damon->prefix);
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}
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static void _destroy_host(DaMonHost * host)
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{
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string_delete(host->hostname);
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if(host->appclient != NULL)
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appclient_delete(host->appclient);
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}
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12
src/damon.h
12
src/damon.h
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@ -19,6 +19,7 @@
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# define DAMON_DAMON_H
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# include <System.h>
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# include <System/App.h>
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# include "rrd.h"
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@ -26,6 +27,15 @@
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/* types */
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typedef struct _DaMon DaMon;
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typedef struct _DaMonHost
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{
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DaMon * damon;
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AppClient * appclient;
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String * hostname;
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char ** ifaces;
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char ** vols;
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} DaMonHost;
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/* functions */
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DaMon * damon_new(char const * config);
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@ -35,6 +45,8 @@ void damon_delete(DaMon * damon);
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/* accessors */
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Event * damon_get_event(DaMon * damon);
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DaMonHost * damon_get_host_by_id(DaMon * damon, size_t id);
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/* useful */
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int damon_error(char const * message, int error);
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int damon_perror(char const * message, int error);
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