/**
* collectd - src/battery.c
- * Copyright (C) 2006 Florian octo Forster
+ * Copyright (C) 2006,2007 Florian octo Forster
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
+ * Free Software Foundation; only version 2 of the License is applicable.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#include "plugin.h"
#include "utils_debug.h"
-#define MODULE_NAME "battery"
-#define BUFSIZE 512
-
#if HAVE_MACH_MACH_TYPES_H
# include <mach/mach_types.h>
#endif
#define INVALID_VALUE 47841.29
-static char *battery_current_file = "battery-%s/current.rrd";
-static char *battery_voltage_file = "battery-%s/voltage.rrd";
-static char *battery_charge_file = "battery-%s/charge.rrd";
+static data_source_t data_source_charge[1] =
+{
+ {"charge", DS_TYPE_GAUGE, 0, NAN}
+};
+
+static data_set_t charge_ds =
+{
+ "charge", 1, data_source_charge
+};
+
+static data_source_t data_source_current[1] =
+{
+ {"current", DS_TYPE_GAUGE, NAN, NAN}
+};
-static char *ds_def_current[] =
+static data_set_t current_ds =
{
- "DS:current:GAUGE:"COLLECTD_HEARTBEAT":U:U",
- NULL
+ "current", 1, data_source_current
};
-static int ds_num_current = 1;
-static char *ds_def_voltage[] =
+static data_source_t data_source_voltage[1] =
{
- "DS:voltage:GAUGE:"COLLECTD_HEARTBEAT":U:U",
- NULL
+ {"voltage", DS_TYPE_GAUGE, NAN, NAN}
};
-static int ds_num_voltage = 1;
-static char *ds_def_charge[] =
+static data_set_t voltage_ds =
{
- "DS:charge:GAUGE:"COLLECTD_HEARTBEAT":0:U",
- NULL
+ "voltage", 1, data_source_voltage
};
-static int ds_num_charge = 1;
+#if BATTERY_HAVE_READ
#if HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H
/* No global variables */
/* #endif HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H */
static char *battery_pmu_file = "/proc/pmu/battery_%i";
#endif /* KERNEL_LINUX */
-static void battery_init (void)
+static int battery_init (void)
{
#if HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H
/* No init neccessary */
#elif KERNEL_LINUX
int len;
- char filename[BUFSIZE];
+ char filename[128];
for (battery_pmu_num = 0; ; battery_pmu_num++)
{
- len = snprintf (filename, BUFSIZE, battery_pmu_file, battery_pmu_num);
+ len = snprintf (filename, sizeof (filename), battery_pmu_file, battery_pmu_num);
- if ((len >= BUFSIZE) || (len < 0))
+ if ((len >= sizeof (filename)) || (len < 0))
break;
if (access (filename, R_OK))
}
#endif /* KERNEL_LINUX */
- return;
-}
-
-static void battery_current_write (char *host, char *inst, char *val)
-{
- char filename[BUFSIZE];
- int len;
-
- len = snprintf (filename, BUFSIZE, battery_current_file, inst);
- if ((len >= BUFSIZE) || (len < 0))
- return;
-
- rrd_update_file (host, filename, val,
- ds_def_current, ds_num_current);
-}
-
-static void battery_voltage_write (char *host, char *inst, char *val)
-{
- char filename[BUFSIZE];
- int len;
-
- len = snprintf (filename, BUFSIZE, battery_voltage_file, inst);
- if ((len >= BUFSIZE) || (len < 0))
- return;
-
- rrd_update_file (host, filename, val,
- ds_def_voltage, ds_num_voltage);
+ return (0);
}
-static void battery_charge_write (char *host, char *inst, char *val)
+static void battery_submit (const char *plugin_instance, const char *type, double value)
{
- char filename[BUFSIZE];
- int len;
-
- len = snprintf (filename, BUFSIZE, battery_charge_file, inst);
- if ((len >= BUFSIZE) || (len < 0))
- return;
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
- rrd_update_file (host, filename, val,
- ds_def_charge, ds_num_charge);
-}
+ values[0].gauge = value;
-#if BATTERY_HAVE_READ
-static void battery_submit (char *inst, double current, double voltage, double charge)
-{
- int len;
- char buffer[BUFSIZE];
+ vl.values = values;
+ vl.values_len = 1;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname);
+ strcpy (vl.plugin, "battery");
+ strcpy (vl.plugin_instance, plugin_instance);
- if (current != INVALID_VALUE)
- {
- len = snprintf (buffer, BUFSIZE, "N:%.3f", current);
-
- if ((len > 0) && (len < BUFSIZE))
- plugin_submit ("battery_current", inst, buffer);
- }
- else
- {
- plugin_submit ("battery_current", inst, "N:U");
- }
-
- if (voltage != INVALID_VALUE)
- {
- len = snprintf (buffer, BUFSIZE, "N:%.3f", voltage);
-
- if ((len > 0) && (len < BUFSIZE))
- plugin_submit ("battery_voltage", inst, buffer);
- }
- else
- {
- plugin_submit ("battery_voltage", inst, "N:U");
- }
-
- if (charge != INVALID_VALUE)
- {
- len = snprintf (buffer, BUFSIZE, "N:%.3f", charge);
-
- if ((len > 0) && (len < BUFSIZE))
- plugin_submit ("battery_charge", inst, buffer);
- }
- else
- {
- plugin_submit ("battery_charge", inst, "N:U");
- }
-}
+ plugin_dispatch_values (type, &vl);
+} /* void battery_submit */
#if HAVE_IOKIT_PS_IOPOWERSOURCES_H || HAVE_IOKIT_IOKITLIB_H
double dict_get_double (CFDictionaryRef dict, char *key_string)
}
#endif /* HAVE_IOKIT_IOKITLIB_H */
-static void battery_read (void)
+static int battery_read (void)
{
#if HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H
double charge = INVALID_VALUE; /* Current charge in Ah */
if ((charge_rel != INVALID_VALUE) && (charge_abs != INVALID_VALUE))
charge = charge_abs * charge_rel / 100.0;
- if ((charge != INVALID_VALUE)
- || (current != INVALID_VALUE)
- || (voltage != INVALID_VALUE))
- battery_submit ("0", current, voltage, charge);
+ if (charge != INVALID_VALUE)
+ battery_submit ("0", "charge", charge);
+ if (current != INVALID_VALUE)
+ battery_submit ("0", "current", current);
+ if (voltage != INVALID_VALUE)
+ battery_submit ("0", "voltage", voltage);
/* #endif HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H */
#elif KERNEL_LINUX
FILE *fh;
- char buffer[BUFSIZE];
- char filename[BUFSIZE];
+ char buffer[1024];
+ char filename[256];
char *fields[8];
int numfields;
for (i = 0; i < battery_pmu_num; i++)
{
- char batnum_str[BUFSIZE];
+ char batnum_str[256];
double current = INVALID_VALUE;
double voltage = INVALID_VALUE;
double charge = INVALID_VALUE;
double *valptr = NULL;
- len = snprintf (filename, BUFSIZE, battery_pmu_file, i);
- if ((len >= BUFSIZE) || (len < 0))
+ len = snprintf (filename, sizeof (filename), battery_pmu_file, i);
+ if ((len >= sizeof (filename)) || (len < 0))
continue;
- len = snprintf (batnum_str, BUFSIZE, "%i", i);
- if ((len >= BUFSIZE) || (len < 0))
+ len = snprintf (batnum_str, sizeof (batnum_str), "%i", i);
+ if ((len >= sizeof (batnum_str)) || (len < 0))
continue;
if ((fh = fopen (filename, "r")) == NULL)
continue;
- while (fgets (buffer, BUFSIZE, fh) != NULL)
+ while (fgets (buffer, sizeof (buffer), fh) != NULL)
{
numfields = strsplit (buffer, fields, 8);
}
}
- if ((current != INVALID_VALUE)
- || (voltage != INVALID_VALUE)
- || (charge != INVALID_VALUE))
- battery_submit (batnum_str, current, voltage, charge);
-
fclose (fh);
fh = NULL;
+
+ if (charge != INVALID_VALUE)
+ battery_submit ("0", "charge", charge);
+ if (current != INVALID_VALUE)
+ battery_submit ("0", "current", current);
+ if (voltage != INVALID_VALUE)
+ battery_submit ("0", "voltage", voltage);
}
if (access ("/proc/acpi/battery", R_OK | X_OK) == 0)
if ((dh = opendir ("/proc/acpi/battery")) == NULL)
{
syslog (LOG_ERR, "Cannot open `/proc/acpi/battery': %s", strerror (errno));
- return;
+ return (-1);
}
while ((ent = readdir (dh)) != NULL)
if (ent->d_name[0] == '.')
continue;
- len = snprintf (filename, BUFSIZE, "/proc/acpi/battery/%s/state", ent->d_name);
- if ((len >= BUFSIZE) || (len < 0))
+ len = snprintf (filename, sizeof (filename),
+ "/proc/acpi/battery/%s/state",
+ ent->d_name);
+ if ((len >= sizeof (filename)) || (len < 0))
continue;
if ((fh = fopen (filename, "r")) == NULL)
* [11:00] <@tokkee> remaining capacity: 4136 mAh
* [11:00] <@tokkee> present voltage: 12428 mV
*/
- while (fgets (buffer, BUFSIZE, fh) != NULL)
+ while (fgets (buffer, sizeof (buffer), fh) != NULL)
{
numfields = strsplit (buffer, fields, 8);
if ((fields[2] == endptr) || (errno != 0))
*valptr = INVALID_VALUE;
}
- }
+ } /* while (fgets (buffer, sizeof (buffer), fh) != NULL) */
+
+ fclose (fh);
if ((current != INVALID_VALUE) && (charging == 0))
current *= -1;
- if ((current != INVALID_VALUE)
- || (voltage != INVALID_VALUE)
- || (charge != INVALID_VALUE))
- battery_submit (ent->d_name, current, voltage, charge);
-
- fclose (fh);
+ if (charge != INVALID_VALUE)
+ battery_submit ("0", "charge", charge);
+ if (current != INVALID_VALUE)
+ battery_submit ("0", "current", current);
+ if (voltage != INVALID_VALUE)
+ battery_submit ("0", "voltage", voltage);
}
closedir (dh);
}
#endif /* KERNEL_LINUX */
+
+ return (0);
}
-#else
-# define battery_read NULL
#endif /* BATTERY_HAVE_READ */
void module_register (void)
{
- plugin_register (MODULE_NAME, battery_init, battery_read, NULL);
- plugin_register ("battery_current", NULL, NULL, battery_current_write);
- plugin_register ("battery_voltage", NULL, NULL, battery_voltage_write);
- plugin_register ("battery_charge", NULL, NULL, battery_charge_write);
-}
+ plugin_register_data_set (&charge_ds);
+ plugin_register_data_set (¤t_ds);
+ plugin_register_data_set (&voltage_ds);
-#undef BUFSIZE
-#undef MODULE_NAME
+#if BATTERY_HAVE_READ
+ plugin_register_init ("battery", battery_init);
+ plugin_register_read ("battery", battery_read);
+#endif /* BATTERY_HAVE_READ */
+}
projects / collectd.git / commitdiff