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[lcd4linux @ 2004-03-11 06:39:58 by reinelt]

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big patch from Martin:
- reuse filehandles
- memory leaks fixed
- earlier busy-flag checking with HD44780
- reuse memory for strings in RESULT and hash
- netdev_fast to wavid time-consuming regex

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@393 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2004-03-11 06:39:59 +00:00
parent a3501369a9
commit 7d5c275cb8
16 changed files with 350 additions and 133 deletions
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25
plugin_proc_stat.c
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@@ -1,4 +1,4 @@
/* $Id: plugin_proc_stat.c,v 1.17 2004/03/03 04:44:16 reinelt Exp $
/* $Id: plugin_proc_stat.c,v 1.18 2004/03/11 06:39:59 reinelt Exp $
*
* plugin for /proc/stat parsing
*
@@ -23,6 +23,14 @@
*
*
* $Log: plugin_proc_stat.c,v $
* Revision 1.18 2004/03/11 06:39:59 reinelt
* big patch from Martin:
* - reuse filehandles
* - memory leaks fixed
* - earlier busy-flag checking with HD44780
* - reuse memory for strings in RESULT and hash
* - netdev_fast to wavid time-consuming regex
*
* Revision 1.17 2004/03/03 04:44:16 reinelt
* changes (cosmetics?) to the big patch from Martin
* hash patch un-applied
@@ -112,6 +120,8 @@
static HASH Stat = { 0, };
static FILE *stream = NULL;
static void hash_set1 (char *key1, char *val)
{
@@ -140,18 +150,19 @@ static void hash_set3 (char *key1, char *key2, char *key3, char *val)
static int parse_proc_stat (void)
{
int age;
FILE *stream;
// reread every 10 msec only
age=hash_age(&Stat, NULL, NULL);
if (age>0 && age<=10) return 0;
stream=fopen("/proc/stat", "r");
if (stream==NULL) stream=fopen("/proc/stat", "r");
if (stream==NULL) {
error ("fopen(/proc/stat) failed: %s", strerror(errno));
return -1;
}
rewind(stream);
while (!feof(stream)) {
char buffer[1024];
if (fgets (buffer, sizeof(buffer), stream) == NULL) break;
@@ -175,7 +186,6 @@ static int parse_proc_stat (void)
beg=end?end+1:NULL;
}
}
else if (strncmp(buffer, "page ", 5)==0) {
char *key[] = { "in", "out" };
char delim[] = " \t\n";
@@ -220,8 +230,6 @@ static int parse_proc_stat (void)
beg=end?end+1:NULL;
}
}
else if (strncmp(buffer, "disk_io:", 8)==0) {
char *key[] = { "io", "rio", "rblk", "wio", "wblk" };
char delim[] = " ():,\t\n";
@@ -256,7 +264,6 @@ static int parse_proc_stat (void)
hash_set1 (buffer, beg);
}
}
fclose (stream);
return 0;
}
@@ -357,5 +364,9 @@ int plugin_init_proc_stat (void)
void plugin_exit_proc_stat(void)
{
if (stream!=NULL) {
fclose (stream);
stream=NULL;
}
hash_destroy(&Stat);
}