#include "configfile.h"
#include "utils_debug.h"
-#define MODULE_NAME "hddtemp"
-
-#include <netdb.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <libgen.h> /* for basename */
+#if HAVE_NETDB_H && HAVE_SYS_SOCKET_H && HAVE_NETINET_IN_H \
+ && HAVE_NETINET_TCP_H && HAVE_LIBGEN_H
+# include <netdb.h>
+# include <sys/socket.h>
+# include <netinet/in.h>
+# include <netinet/tcp.h>
+# include <libgen.h> /* for basename */
+# define HDDTEMP_HAVE_READ 1
+#else
+# define HDDTEMP_HAVE_READ 0
+#endif
#if HAVE_LINUX_MAJOR_H
# include <linux/major.h>
#define HDDTEMP_DEF_HOST "127.0.0.1"
#define HDDTEMP_DEF_PORT "7634"
-/* BUFFER_SIZE
- Size of the buffer we use to receive from the hddtemp daemon. */
-#define BUFFER_SIZE 1024
-
-static char *filename_format = "hddtemp-%s.rrd";
+static data_source_t data_source_temperature[1] =
+{
+ {"value", DS_TYPE_GAUGE, -273.15, NAN}
+};
-static char *ds_def[] =
+static data_set_t temperature_ds =
{
- "DS:value:GAUGE:"COLLECTD_HEARTBEAT":U:U",
- NULL
+ "temperature", 1, data_source_temperature
};
-static int ds_num = 1;
-static char *config_keys[] =
+#if HDDTEMP_HAVE_READ
+static const char *config_keys[] =
{
"Host",
"Port",
fd = -1;
continue;
}
+
+ /* A socket could be opened and connecting succeeded. We're
+ * done. */
+ break;
}
freeaddrinfo (ai_list);
syslog (LOG_ERR, "hddtemp: Error reading from socket: %s",
strerror (errno));
+ close (fd);
return (-1);
}
buffer_fill += status;
return (0);
}
-static int hddtemp_config (char *key, char *value)
+static int hddtemp_config (const char *key, const char *value)
{
if (strcasecmp (key, "host") == 0)
{
/* In the init-function we initialize the `hddname_t' list used to translate
* disk-names. Under Linux that's done using `/proc/partitions'. Under other
* operating-systems, it's not done at all. */
-static void hddtemp_init (void)
+static int hddtemp_init (void)
{
#if KERNEL_LINUX
FILE *fh;
- char buf[BUFFER_SIZE];
+ char buf[1024];
int buflen;
char *fields[16];
{
DBG ("Looking at /proc/partitions...");
- while (fgets (buf, BUFFER_SIZE, fh) != NULL)
+ while (fgets (buf, sizeof (buf), fh) != NULL)
{
/* Delete trailing newlines */
buflen = strlen (buf);
first_hddname = entry;
}
}
+ fclose (fh);
}
else
DBG ("Could not open /proc/partitions: %s",
strerror (errno));
#endif /* KERNEL_LINUX */
-}
-
-static void hddtemp_write (char *host, char *inst, char *val)
-{
- char filename[BUFFER_SIZE];
- int status;
-
- /* construct filename */
- status = snprintf (filename, BUFFER_SIZE, filename_format, inst);
- if (status < 1)
- return;
- else if (status >= BUFFER_SIZE)
- return;
- rrd_update_file (host, filename, val, ds_def, ds_num);
-}
+ return (0);
+} /* int hddtemp_init */
/*
* hddtemp_get_name
return (ret);
}
-static void hddtemp_submit (char *inst, double temperature)
+static void hddtemp_submit (char *type_instance, double value)
{
- char buf[BUFFER_SIZE];
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ values[0].gauge = value;
- if (snprintf (buf, BUFFER_SIZE, "%u:%.3f", (unsigned int) curtime, temperature)
- >= BUFFER_SIZE)
- return;
+ vl.values = values;
+ vl.values_len = 1;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname_g);
+ strcpy (vl.plugin, "hddtemp");
+ strncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
- plugin_submit (MODULE_NAME, inst, buf);
+ plugin_dispatch_values ("temperature", &vl);
}
-static void hddtemp_read (void)
+static int hddtemp_read (void)
{
- char buf[BUFFER_SIZE];
+ char buf[1024];
char *fields[128];
char *ptr;
int num_fields;
int num_disks;
int i;
- static int wait_time = 1;
- static int wait_left = 0;
-
- if (wait_left >= 10)
- {
- wait_left -= 10;
- return;
- }
-
/* get data from daemon */
- if (hddtemp_query_daemon (buf, BUFFER_SIZE) < 0)
- {
- /* This limit is reached in log2(86400) =~ 17 steps. Since
- * there is a 2^n seconds wait between each step it will need
- * roughly one day to reach this limit. -octo */
-
- wait_time *= 2;
- if (wait_time > 86400)
- wait_time = 86400;
-
- wait_left = wait_time;
-
- return;
- }
- else
- {
- wait_time = 1;
- wait_left = 0;
- }
+ if (hddtemp_query_daemon (buf, sizeof (buf)) < 0)
+ return (-1);
/* NB: strtok will eat up "||" and leading "|"'s */
num_fields = 0;
hddtemp_submit (name, temperature);
}
}
-}
+
+ return (0);
+} /* int hddtemp_read */
+#endif /* HDDTEMP_HAVE_READ */
/* module_register
Register collectd plugin. */
void module_register (void)
{
- plugin_register (MODULE_NAME, hddtemp_init, hddtemp_read, hddtemp_write);
- cf_register (MODULE_NAME, hddtemp_config, config_keys, config_keys_num);
+ plugin_register_data_set (&temperature_ds);
+
+#if HDDTEMP_HAVE_READ
+ plugin_register_config ("hddtemp", hddtemp_config,
+ config_keys, config_keys_num);
+ plugin_register_init ("hddtemp", hddtemp_init);
+ plugin_register_read ("hddtemp", hddtemp_read);
+#endif /* HDDTEMP_HAVE_READ */
}
-
-#undef MODULE_NAME
projects / collectd.git / blobdiff