Various plugins: Use the IS_TRUE and IS_FALSE macros everywhere.

[collectd.git] / src / irq.c

diff --git a/src/irq.c b/src/irq.c
index 6c30e95..401cc6f 100644 (file)
--- a/src/irq.c
+++ b/src/irq.c
@@ -25,12 +25,8 @@
 #include "plugin.h"
 #include "configfile.h"
 
-#define MODULE_NAME "irq"
-
-#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
@@ -38,17 +34,6 @@
 /*
  * (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",
@@ -78,7 +63,7 @@ static int irq_config (const char *key, const char *value)
                if (temp == NULL)
                {
                        fprintf (stderr, "irq plugin: Cannot allocate more memory.\n");
-                       syslog (LOG_ERR, "irq plugin: Cannot allocate more memory.");
+                       ERROR ("irq plugin: Cannot allocate more memory.");
                        return (1);
                }
                irq_list = temp;
@@ -91,7 +76,7 @@ static int irq_config (const char *key, const char *value)
                {
                        fprintf (stderr, "irq plugin: Irq value is not a "
                                        "number: `%s'\n", value);
-                       syslog (LOG_ERR, "irq plugin: Irq value is not a "
+                       ERROR ("irq plugin: Irq value is not a "
                                        "number: `%s'", value);
                        return (1);
                }
@@ -100,9 +85,7 @@ static int irq_config (const char *key, const char *value)
        }
        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;
@@ -126,7 +109,7 @@ static int check_ignore_irq (const unsigned int irq)
        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);
 
@@ -146,30 +129,28 @@ static void irq_submit (unsigned int irq, counter_t 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;
+       unsigned long long irq_value;
+       unsigned long long value;
        char *endptr;
        int i;
 
@@ -178,8 +159,9 @@ static int irq_read (void)
 
        if ((fh = fopen ("/proc/interrupts", "r")) == NULL)
        {
-               syslog (LOG_WARNING, "irq plugin: fopen (/proc/interrupts): %s",
-                               strerror (errno));
+               char errbuf[1024];
+               WARNING ("irq plugin: fopen (/proc/interrupts): %s",
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
                return (-1);
        }
        while (fgets (buffer, BUFSIZE, fh) != NULL)
@@ -198,7 +180,7 @@ static int irq_read (void)
                for (i = 1; i < fields_num; i++)
                {
                        errno = 0;
-                       value = strtol (fields[i], &endptr, 10);
+                       value = strtoull (fields[i], &endptr, 10);
 
                        if ((*endptr != '\0') || (errno != 0))
                                break;
@@ -206,25 +188,20 @@ static int irq_read (void)
                        irq_value += value;
                } /* for (i) */
 
-               irq_submit (irq, irq_value);
+               /* Force 32bit wrap-around */
+               irq_submit (irq, irq_value % 4294967296ULL);
        }
+
        fclose (fh);
-#endif /* KERNEL_LINUX */
 
        return (0);
 } /* int irq_read */
-#endif /* IRQ_HAVE_READ */
 
 void module_register (void)
 {
-       plugin_register_data_set (&ds_irq);
-
-#if IRQ_HAVE_READ
        plugin_register_config ("irq", irq_config,
                        config_keys, config_keys_num);
        plugin_register_read ("irq", irq_read);
-#endif /* IRQ_HAVE_READ */
-}
+} /* void module_register */
 
 #undef BUFSIZE
-#undef MODULE_NAME