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[lcd4linux @ 2004-01-18 09:01:45 by reinelt]

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/proc/stat parsing finished

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@319 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2004-01-18 09:01:45 +00:00
parent be7822ae1c
commit dab42916ca
5 changed files with 220 additions and 61 deletions
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80
plugin_proc_stat.c
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@@ -1,4 +1,4 @@
/* $Id: plugin_proc_stat.c,v 1.4 2004/01/18 06:54:08 reinelt Exp $
/* $Id: plugin_proc_stat.c,v 1.5 2004/01/18 09:01:45 reinelt Exp $
*
* plugin for /proc/stat parsing
*
@@ -23,6 +23,9 @@
*
*
* $Log: plugin_proc_stat.c,v $
* Revision 1.5 2004/01/18 09:01:45 reinelt
* /proc/stat parsing finished
*
* Revision 1.4 2004/01/18 06:54:08 reinelt
* bug in expr.c fixed (thanks to Xavier)
* some progress with /proc/stat parsing
@@ -67,6 +70,7 @@
static HASH Stat = { 0, 0, NULL };
static int renew(int msec)
{
static struct timeval end = {0, 0};
@@ -89,13 +93,10 @@ static int renew(int msec)
static void hash_set1 (char *key1, char *val)
{
double number;
number=atof(val);
hash_set (&Stat, key1, val);
hash_set_filter (&Stat, key1, val);
}
static void hash_set2 (char *key1, char *key2, char *val)
{
char key[32];
@@ -104,6 +105,7 @@ static void hash_set2 (char *key1, char *key2, char *val)
hash_set1 (key, val);
}
static void hash_set3 (char *key1, char *key2, char *key3, char *val)
{
char key[32];
@@ -120,8 +122,7 @@ static int parse_proc_stat (void)
// update every 10 msec
if (!renew(10)) return 0;
// stream=fopen("/proc/stat", "r");
stream=fopen("proc_stat", "r");
stream=fopen("/proc/stat", "r");
if (stream==NULL) {
error ("fopen(/proc/stat) failed: %s", strerror(errno));
return -1;
@@ -191,26 +192,71 @@ static int parse_proc_stat (void)
return 0;
}
static void my_proc_stat (RESULT *result, RESULT *arg1)
static void my_proc_stat (RESULT *result, int argc, RESULT *argv[])
{
char *key, *val;
char *string;
double number;
if (parse_proc_stat()<0) {
SetResult(&result, R_STRING, "");
return;
}
key=R2S(arg1);
val=hash_get(&Stat, key);
if (val==NULL) val="";
switch (argc) {
case 1:
string=hash_get(&Stat, R2S(argv[0]));
if (string==NULL) string="";
SetResult(&result, R_STRING, string);
break;
case 2:
number=hash_get_filter(&Stat, R2S(argv[0]), R2N(argv[1]));
SetResult(&result, R_NUMBER, &number);
break;
default:
error ("proc_stat(): wrong number of parameters");
SetResult(&result, R_STRING, "");
}
}
SetResult(&result, R_STRING, val);
static void my_cpu (RESULT *result, RESULT *arg1, RESULT *arg2)
{
char *key;
int delay;
double value;
double cpu_user, cpu_nice, cpu_system, cpu_idle, cpu_total;
if (parse_proc_stat()<0) {
SetResult(&result, R_STRING, "");
return;
}
key = R2S(arg1);
delay = R2N(arg2);
cpu_user = hash_get_filter(&Stat, "cpu.user", delay);
cpu_nice = hash_get_filter(&Stat, "cpu.nice", delay);
cpu_system = hash_get_filter(&Stat, "cpu.system", delay);
cpu_idle = hash_get_filter(&Stat, "cpu.idle", delay);
cpu_total = cpu_user+cpu_nice+cpu_system+cpu_idle;
if (strcasecmp(key, "user" )==0) value=cpu_user;
else if (strcasecmp(key, "nice" )==0) value=cpu_nice;
else if (strcasecmp(key, "system")==0) value=cpu_system;
else if (strcasecmp(key, "idle" )==0) value=cpu_idle;
else if (strcasecmp(key, "busy" )==0) value=cpu_total-cpu_idle;
value = 100*value/cpu_total;
SetResult(&result, R_NUMBER, &value);
}
int plugin_init_proc_stat (void)
{
AddFunction ("stat", 1, my_proc_stat);
AddFunction ("proc_stat", -1, my_proc_stat);
AddFunction ("cpu", 2, my_cpu);
return 0;
}