X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Firq.c;h=9b7e61877d8c62bafc009e91e1f792c43024e63e;hb=fd9c88963b04c9e9050a952ba0f018493e8b7638;hp=69a31963cf85023fde08422cf5d14206a77e28d1;hpb=bb743c17dda8f0c51828c62a7b8ec98bdaa9bfcf;p=collectd.git diff --git a/src/irq.c b/src/irq.c index 69a31963..9b7e6187 100644 --- 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 @@ -38,22 +34,12 @@ /* * (Module-)Global variables */ -static char *irq_file = "irq/irq-%s.rrd"; - -static char *config_keys[] = +static const char *config_keys[] = { "Irq", - "IgnoreSelected", - NULL -}; -static int config_keys_num = 2; - -static char *ds_def[] = -{ - "DS:value:COUNTER:"COLLECTD_HEARTBEAT":0:65535", - NULL + "IgnoreSelected" }; -static int ds_num = 1; +static int config_keys_num = STATIC_ARRAY_SIZE (config_keys); static unsigned int *irq_list; static unsigned int irq_list_num; @@ -65,7 +51,7 @@ static unsigned int irq_list_num; */ static int irq_list_action; -static int irq_config (char *key, char *value) +static int irq_config (const char *key, const char *value) { if (strcasecmp (key, "Irq") == 0) { @@ -77,7 +63,7 @@ static int irq_config (char *key, 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; @@ -90,7 +76,7 @@ static int irq_config (char *key, 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); } @@ -125,56 +111,41 @@ 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); return (1 - irq_list_action); } -static void irq_write (char *host, char *inst, char *value) +static void irq_submit (unsigned int irq, counter_t value) { - char file[BUFSIZE]; + value_t values[1]; + value_list_t vl = VALUE_LIST_INIT; int status; - if (check_ignore_irq (atoi(inst))) - return; - - status = snprintf (file, BUFSIZE, irq_file, inst); - if (status < 1) - return; - else if (status >= BUFSIZE) - return; - - rrd_update_file (host, file, value, ds_def, ds_num); -} - -#if IRQ_HAVE_READ -static void irq_submit (unsigned int irq, unsigned int value) -{ - char value_str[32]; - char type_str[16]; - int status; - if (check_ignore_irq (irq)) return; - status = snprintf (value_str, 32, "%u:%u", - (unsigned int) curtime, value); - if ((status >= 32) || (status < 1)) - return; + values[0].counter = value; + + vl.values = values; + vl.values_len = 1; + vl.time = time (NULL); + sstrncpy (vl.host, hostname_g, sizeof (vl.host)); + sstrncpy (vl.plugin, "irq", sizeof (vl.plugin)); + sstrncpy (vl.type, "irq", sizeof (vl.type)); - status = snprintf (type_str, 16, "%u", irq); - if ((status >= 16) || (status < 1)) + status = ssnprintf (vl.type_instance, sizeof (vl.type_instance), + "%u", irq); + if ((status < 1) || ((unsigned int)status >= sizeof (vl.type_instance))) return; - plugin_submit (MODULE_NAME, type_str, value_str); + plugin_dispatch_values (&vl); } /* void irq_submit */ -static void irq_read (void) +static int irq_read (void) { -#if KERNEL_LINUX - #undef BUFSIZE #define BUFSIZE 256 @@ -191,9 +162,10 @@ static void irq_read (void) if ((fh = fopen ("/proc/interrupts", "r")) == NULL) { - syslog (LOG_WARNING, "irq plugin: fopen (/proc/interrupts): %s", - strerror (errno)); - return; + char errbuf[1024]; + WARNING ("irq plugin: fopen (/proc/interrupts): %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); } while (fgets (buffer, BUFSIZE, fh) != NULL) { @@ -222,17 +194,15 @@ static void irq_read (void) irq_submit (irq, irq_value); } fclose (fh); -#endif /* KERNEL_LINUX */ -} /* void irq_read */ -#else -#define irq_read NULL -#endif /* IRQ_HAVE_READ */ + + return (0); +} /* int irq_read */ void module_register (void) { - plugin_register (MODULE_NAME, NULL, irq_read, irq_write); - cf_register (MODULE_NAME, irq_config, config_keys, config_keys_num); -} + plugin_register_config ("irq", irq_config, + config_keys, config_keys_num); + plugin_register_read ("irq", irq_read); +} /* void module_register */ #undef BUFSIZE -#undef MODULE_NAME