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[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
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233
plugin_netdev.c
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@@ -1,4 +1,4 @@
/* $Id: plugin_netdev.c,v 1.13 2005/01/18 06:30:23 reinelt Exp $
/* $Id: plugin_netdev.c,v 1.14 2005/05/08 04:32:44 reinelt Exp $
*
* plugin for /proc/net/dev parsing
*
@@ -23,6 +23,9 @@
*
*
* $Log: plugin_netdev.c,v $
* Revision 1.14 2005/05/08 04:32:44 reinelt
* CodingStyle added and applied
*
* Revision 1.13 2005/01/18 06:30:23 reinelt
* added (C) to all copyright statements
*
@@ -108,132 +111,140 @@ static HASH NetDev;
static FILE *Stream = NULL;
static char *DELIMITER = " :|\t\n";
static int parse_netdev (void)
static int parse_netdev(void)
{
int age;
int row, col;
static int first_time = 1;
/* reread every 10 msec only */
age = hash_age(&NetDev, NULL);
if (age > 0 && age <= 10) return 0;
if (Stream == NULL) Stream = fopen("/proc/net/dev", "r");
if (Stream == NULL) {
error ("fopen(/proc/net/dev) failed: %s", strerror(errno));
return -1;
}
int age;
int row, col;
static int first_time = 1;
rewind(Stream);
row = 0;
while (!feof(Stream)) {
char buffer[256];
char dev[16];
char *beg, *end;
unsigned int len;
if (fgets (buffer, sizeof(buffer), Stream) == NULL) break;
switch (++row) {
case 1:
/* skip row 1 */
continue;
case 2:
/* row 2 used for headers */
if (first_time) {
char *RxTx = strrchr(buffer, '|');
first_time = 0;
col = 0;
beg = buffer;
while (beg) {
char key[32];
while (strchr(DELIMITER, *beg)) beg++;
if ((end = strpbrk(beg, DELIMITER)) != NULL) *end = '\0';
qprintf(key, sizeof(key), "%s_%s", beg < RxTx ? "Rx" : "Tx", beg);
hash_set_column (&NetDev, col++, key);
beg = end ? end + 1 : NULL;
}
}
continue;
/* reread every 10 msec only */
age = hash_age(&NetDev, NULL);
if (age > 0 && age <= 10)
return 0;
default:
/* fetch interface name (1st column) as key */
beg = buffer;
while (*beg && *beg == ' ') beg++;
end = beg + 1;
while (*end && *end != ':') end++;
len = end - beg;
if (len >= sizeof(dev)) len = sizeof(dev)-1;
strncpy (dev, beg, len);
dev[len] = '\0';
hash_put_delta (&NetDev, dev, buffer);
if (Stream == NULL)
Stream = fopen("/proc/net/dev", "r");
if (Stream == NULL) {
error("fopen(/proc/net/dev) failed: %s", strerror(errno));
return -1;
}
}
return 0;
}
static void my_netdev (RESULT *result, RESULT *arg1, RESULT *arg2, RESULT *arg3)
{
char *dev, *key;
int delay;
double value;
if (parse_netdev()<0) {
SetResult(&result, R_STRING, "");
return;
}
rewind(Stream);
row = 0;
dev = R2S(arg1);
key = R2S(arg2);
delay = R2N(arg3);
value = hash_get_regex(&NetDev, dev, key, delay);
SetResult(&result, R_NUMBER, &value);
while (!feof(Stream)) {
char buffer[256];
char dev[16];
char *beg, *end;
unsigned int len;
if (fgets(buffer, sizeof(buffer), Stream) == NULL)
break;
switch (++row) {
case 1:
/* skip row 1 */
continue;
case 2:
/* row 2 used for headers */
if (first_time) {
char *RxTx = strrchr(buffer, '|');
first_time = 0;
col = 0;
beg = buffer;
while (beg) {
char key[32];
while (strchr(DELIMITER, *beg))
beg++;
if ((end = strpbrk(beg, DELIMITER)) != NULL)
*end = '\0';
qprintf(key, sizeof(key), "%s_%s", beg < RxTx ? "Rx" : "Tx", beg);
hash_set_column(&NetDev, col++, key);
beg = end ? end + 1 : NULL;
}
}
continue;
default:
/* fetch interface name (1st column) as key */
beg = buffer;
while (*beg && *beg == ' ')
beg++;
end = beg + 1;
while (*end && *end != ':')
end++;
len = end - beg;
if (len >= sizeof(dev))
len = sizeof(dev) - 1;
strncpy(dev, beg, len);
dev[len] = '\0';
hash_put_delta(&NetDev, dev, buffer);
}
}
return 0;
}
static void my_netdev_fast(RESULT *result, RESULT *arg1, RESULT *arg2, RESULT *arg3)
static void my_netdev(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3)
{
char *dev, *key;
int delay;
double value;
if (parse_netdev()<0) {
SetResult(&result, R_STRING, "");
return;
}
char *dev, *key;
int delay;
double value;
dev = R2S(arg1);
key = R2S(arg2);
delay = R2N(arg3);
value = hash_get_delta(&NetDev, dev, key, delay);
SetResult(&result, R_NUMBER, &value);
if (parse_netdev() < 0) {
SetResult(&result, R_STRING, "");
return;
}
dev = R2S(arg1);
key = R2S(arg2);
delay = R2N(arg3);
value = hash_get_regex(&NetDev, dev, key, delay);
SetResult(&result, R_NUMBER, &value);
}
static void my_netdev_fast(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3)
{
char *dev, *key;
int delay;
double value;
if (parse_netdev() < 0) {
SetResult(&result, R_STRING, "");
return;
}
dev = R2S(arg1);
key = R2S(arg2);
delay = R2N(arg3);
value = hash_get_delta(&NetDev, dev, key, delay);
SetResult(&result, R_NUMBER, &value);
}
int plugin_init_netdev (void)
int plugin_init_netdev(void)
{
hash_create(&NetDev);
hash_set_delimiter (&NetDev, " :|\t\n");
hash_create(&NetDev);
hash_set_delimiter(&NetDev, " :|\t\n");
AddFunction ("netdev", 3, my_netdev);
AddFunction ("netdev::fast", 3, my_netdev_fast);
return 0;
AddFunction("netdev", 3, my_netdev);
AddFunction("netdev::fast", 3, my_netdev_fast);
return 0;
}
void plugin_exit_netdev(void)
void plugin_exit_netdev(void)
{
if(Stream!=NULL) {
fclose (Stream);
Stream=NULL;
}
hash_destroy(&NetDev);
if (Stream != NULL) {
fclose(Stream);
Stream = NULL;
}
hash_destroy(&NetDev);
}