yan/archived-lcd4linux
1
0
Fork 0
mirror of https://github.com/netfun2000/lcd4linux.git synced 2026-02-27 09:44:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

[lcd4linux @ 2005-05-08 04:32:43 by reinelt]

Browse Source 
CodingStyle added and applied

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@547 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2005-05-08 04:32:45 +00:00
parent a1c471e9fb
commit dbf5d92605
94 changed files with 16200 additions and 15384 deletions
Download Patch File Download Diff File Expand all files Collapse all files

175
plugin_diskstats.c
View File

@@ -1,4 +1,4 @@
/* $Id: plugin_diskstats.c,v 1.7 2005/01/18 06:30:23 reinelt Exp $
/* $Id: plugin_diskstats.c,v 1.8 2005/05/08 04:32:44 reinelt Exp $
*
* plugin for /proc/diskstats parsing
*
@@ -23,6 +23,9 @@
*
*
* $Log: plugin_diskstats.c,v $
* Revision 1.8 2005/05/08 04:32:44 reinelt
* CodingStyle added and applied
*
* Revision 1.7 2005/01/18 06:30:23 reinelt
* added (C) to all copyright statements
*
@@ -79,98 +82,106 @@ static HASH DISKSTATS;
static FILE *stream = NULL;
static int parse_diskstats (void)
static int parse_diskstats(void)
{
int age;
/* reread every 10 msec only */
age = hash_age(&DISKSTATS, NULL);
if (age > 0 && age <= 10) return 0;
if (stream == NULL) stream = fopen("/proc/diskstats", "r");
if (stream == NULL) {
error ("fopen(/proc/diskstats) failed: %s", strerror(errno));
return -1;
}
rewind(stream);
while (!feof(stream)) {
char buffer[1024];
char dev[64];
char *beg, *end;
unsigned int num, len;
if (fgets (buffer, sizeof(buffer), stream) == NULL) break;
/* fetch device name (3rd column) as key */
num = 0;
beg = buffer;
end = beg;
while (*beg) {
while (*beg == ' ') beg++;
end = beg + 1;
while (*end && *end != ' ') end++;
if (num++ == 2) break;
beg = end ? end+1 : NULL;
int age;
/* reread every 10 msec only */
age = hash_age(&DISKSTATS, NULL);
if (age > 0 && age <= 10)
return 0;
if (stream == NULL)
stream = fopen("/proc/diskstats", "r");
if (stream == NULL) {
error("fopen(/proc/diskstats) failed: %s", strerror(errno));
return -1;
}
len = end ? (unsigned)(end - beg) : strlen(beg);
if (len >= sizeof(dev)) len = sizeof(dev)-1;
strncpy (dev, beg, len);
dev[len] = '\0';
hash_put_delta (&DISKSTATS, dev, buffer);
}
return 0;
rewind(stream);
while (!feof(stream)) {
char buffer[1024];
char dev[64];
char *beg, *end;
unsigned int num, len;
if (fgets(buffer, sizeof(buffer), stream) == NULL)
break;
/* fetch device name (3rd column) as key */
num = 0;
beg = buffer;
end = beg;
while (*beg) {
while (*beg == ' ')
beg++;
end = beg + 1;
while (*end && *end != ' ')
end++;
if (num++ == 2)
break;
beg = end ? end + 1 : NULL;
}
len = end ? (unsigned) (end - beg) : strlen(beg);
if (len >= sizeof(dev))
len = sizeof(dev) - 1;
strncpy(dev, beg, len);
dev[len] = '\0';
hash_put_delta(&DISKSTATS, dev, buffer);
}
return 0;
}
static void my_diskstats (RESULT *result, RESULT *arg1, RESULT *arg2, RESULT *arg3)
static void my_diskstats(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3)
{
char *dev, *key;
int delay;
double value;
if (parse_diskstats() < 0) {
SetResult(&result, R_STRING, "");
return;
}
dev = R2S(arg1);
key = R2S(arg2);
delay = R2N(arg3);
value = hash_get_regex(&DISKSTATS, dev, key, delay);
SetResult(&result, R_NUMBER, &value);
char *dev, *key;
int delay;
double value;
if (parse_diskstats() < 0) {
SetResult(&result, R_STRING, "");
return;
}
dev = R2S(arg1);
key = R2S(arg2);
delay = R2N(arg3);
value = hash_get_regex(&DISKSTATS, dev, key, delay);
SetResult(&result, R_NUMBER, &value);
}
int plugin_init_diskstats (void)
int plugin_init_diskstats(void)
{
int i;
char *header[] = { "major", "minor", "name",
"reads", "read_merges", "read_sectors", "read_ticks",
"writes", "write_merges", "write_sectors", "write_ticks",
"in_flight", "io_ticks", "time_in_queue", "" };
hash_create (&DISKSTATS);
hash_set_delimiter (&DISKSTATS, " \n");
for (i=0; *header[i] != '\0'; i++) {
hash_set_column (&DISKSTATS, i, header[i]);
}
AddFunction ("diskstats", 3, my_diskstats);
return 0;
int i;
char *header[] = { "major", "minor", "name",
"reads", "read_merges", "read_sectors", "read_ticks",
"writes", "write_merges", "write_sectors", "write_ticks",
"in_flight", "io_ticks", "time_in_queue", ""
};
hash_create(&DISKSTATS);
hash_set_delimiter(&DISKSTATS, " \n");
for (i = 0; *header[i] != '\0'; i++) {
hash_set_column(&DISKSTATS, i, header[i]);
}
AddFunction("diskstats", 3, my_diskstats);
return 0;
}
void plugin_exit_diskstats(void)
void plugin_exit_diskstats(void)
{
if (stream != NULL) {
fclose (stream);
stream = NULL;
}
hash_destroy(&DISKSTATS);
if (stream != NULL) {
fclose(stream);
stream = NULL;
}
hash_destroy(&DISKSTATS);
}