#include "plugin.h"
#include "configfile.h"
-#if KERNEL_LINUX
-# define IRQ_HAVE_READ 1
-#else
-# define IRQ_HAVE_READ 0
+#if !KERNEL_LINUX
+# error "No applicable input method."
#endif
#define BUFSIZE 128
/*
* (Module-)Global variables
*/
-static data_source_t dsrc_irq[1] =
-{
- {"value", DS_TYPE_COUNTER, 0, 65535.0}
-};
-
-static data_set_t ds_irq =
-{
- "irq", 1, dsrc_irq
-};
-
-#if IRQ_HAVE_READ
static const char *config_keys[] =
{
"Irq",
}
else if (strcasecmp (key, "IgnoreSelected") == 0)
{
- if ((strcasecmp (value, "True") == 0)
- || (strcasecmp (value, "Yes") == 0)
- || (strcasecmp (value, "On") == 0))
+ if (IS_TRUE (value))
irq_list_action = 1;
else
irq_list_action = 0;
if (irq_list_num < 1)
return (0);
- for (i = 0; i < irq_list_num; i++)
+ for (i = 0; (unsigned int)i < irq_list_num; i++)
if (irq == irq_list[i])
return (irq_list_action);
return (1 - irq_list_action);
}
-static void irq_submit (unsigned int irq, counter_t value)
+static void irq_submit (unsigned int irq, derive_t value)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
if (check_ignore_irq (irq))
return;
- values[0].counter = value;
+ values[0].derive = value;
vl.values = values;
vl.values_len = 1;
- vl.time = time (NULL);
- strcpy (vl.host, hostname_g);
- strcpy (vl.plugin, "irq");
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "irq", sizeof (vl.plugin));
+ sstrncpy (vl.type, "irq", sizeof (vl.type));
- status = snprintf (vl.type_instance, sizeof (vl.type_instance),
+ status = ssnprintf (vl.type_instance, sizeof (vl.type_instance),
"%u", irq);
- if ((status < 1) || (status >= sizeof (vl.type_instance)))
+ if ((status < 1) || ((unsigned int)status >= sizeof (vl.type_instance)))
return;
- plugin_dispatch_values ("irq", &vl);
+ plugin_dispatch_values (&vl);
} /* void irq_submit */
static int irq_read (void)
{
-#if KERNEL_LINUX
-
-#undef BUFSIZE
-#define BUFSIZE 256
-
FILE *fh;
- char buffer[BUFSIZE];
- unsigned int irq;
- unsigned int irq_value;
- long value;
- char *endptr;
- int i;
-
- char *fields[64];
- int fields_num;
+ char buffer[1024];
- if ((fh = fopen ("/proc/interrupts", "r")) == NULL)
+ fh = fopen ("/proc/interrupts", "r");
+ if (fh == NULL)
{
char errbuf[1024];
- WARNING ("irq plugin: fopen (/proc/interrupts): %s",
+ ERROR ("irq plugin: fopen (/proc/interrupts): %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
return (-1);
}
+
while (fgets (buffer, BUFSIZE, fh) != NULL)
{
+ unsigned int irq;
+ derive_t irq_value;
+ char *endptr;
+ int i;
+
+ char *fields[64];
+ int fields_num;
+
fields_num = strsplit (buffer, fields, 64);
if (fields_num < 2)
continue;
errno = 0; /* To distinguish success/failure after call */
- irq = strtol (fields[0], &endptr, 10);
+ irq = (unsigned int) strtoul (fields[0], &endptr, /* base = */ 10);
if ((endptr == fields[0]) || (errno != 0) || (*endptr != ':'))
continue;
irq_value = 0;
for (i = 1; i < fields_num; i++)
{
- errno = 0;
- value = strtol (fields[i], &endptr, 10);
+ /* Per-CPU value */
+ value_t v;
+ int status;
- if ((*endptr != '\0') || (errno != 0))
+ status = parse_value (fields[i], &v, DS_TYPE_DERIVE);
+ if (status != 0)
break;
- irq_value += value;
+ irq_value += v.derive;
} /* for (i) */
+ if (i < fields_num)
+ continue;
+
irq_submit (irq, irq_value);
}
+
fclose (fh);
-#endif /* KERNEL_LINUX */
return (0);
} /* int irq_read */
-#endif /* IRQ_HAVE_READ */
-void module_register (modreg_e load)
+void module_register (void)
{
- if (load & MR_DATASETS)
- plugin_register_data_set (&ds_irq);
-
-#if IRQ_HAVE_READ
- if (load & MR_READ)
- {
- plugin_register_config ("irq", irq_config,
- config_keys, config_keys_num);
- plugin_register_read ("irq", irq_read);
- }
-#endif /* IRQ_HAVE_READ */
+ plugin_register_config ("irq", irq_config,
+ config_keys, config_keys_num);
+ plugin_register_read ("irq", irq_read);
} /* void module_register */
#undef BUFSIZE