#define SYSFS_FACTOR 0.000001
#endif /* KERNEL_LINUX */
+int battery_read_statefs(
+ void); /* defined in battery_statefs; used by StateFS backend */
+
static _Bool report_percent = 0;
static _Bool report_degraded = 0;
+static _Bool query_statefs = 0;
static void battery_submit2(char const *plugin_instance, /* {{{ */
char const *type, char const *type_instance,
gauge_t value) {
- value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- values[0].gauge = value;
-
- vl.values = values;
+ vl.values = &(value_t){.gauge = value};
vl.values_len = 1;
- sstrncpy(vl.host, hostname_g, sizeof(vl.host));
sstrncpy(vl.plugin, "battery", sizeof(vl.plugin));
sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
sstrncpy(vl.type, type, sizeof(vl.type));
kCFStringEncodingASCII);
if (key_obj == NULL) {
DEBUG("CFStringCreateWithCString (%s) failed.\n", key_string);
- return (NAN);
+ return NAN;
}
if ((val_obj = CFDictionaryGetValue(dict, key_obj)) == NULL) {
DEBUG("CFDictionaryGetValue (%s) failed.", key_string);
CFRelease(key_obj);
- return (NAN);
+ return NAN;
}
CFRelease(key_obj);
}
} else {
DEBUG("CFGetTypeID (val_obj) = %i", (int)CFGetTypeID(val_obj));
- return (NAN);
+ return NAN;
}
- return (val_double);
+ return val_double;
} /* }}} double dict_get_double */
#if HAVE_IOKIT_PS_IOPOWERSOURCES_H
gauge_t capacity_full = NAN; /* Total capacity */
gauge_t capacity_design = NAN; /* Full design capacity */
+ if (query_statefs)
+ return battery_read_statefs();
+
#if HAVE_IOKIT_PS_IOPOWERSOURCES_H
get_via_io_power_sources(&charge_rel, ¤t, &voltage);
#endif
if (!isnan(voltage))
battery_submit("0", "voltage", voltage);
- return (0);
+ return 0;
} /* }}} int battery_read */
/* #endif HAVE_IOKIT_IOKITLIB_H || HAVE_IOKIT_PS_IOPOWERSOURCES_H */
static int sysfs_file_to_buffer(char const *dir, /* {{{ */
char const *power_supply, char const *basename,
char *buffer, size_t buffer_size) {
- int status;
- FILE *fp;
char filename[PATH_MAX];
+ int status;
- ssnprintf(filename, sizeof(filename), "%s/%s/%s", dir, power_supply,
- basename);
-
- /* No file isn't the end of the world -- not every system will be
- * reporting the same set of statistics */
- if (access(filename, R_OK) != 0)
- return ENOENT;
+ snprintf(filename, sizeof(filename), "%s/%s/%s", dir, power_supply, basename);
- fp = fopen(filename, "r");
- if (fp == NULL) {
- status = errno;
- if (status != ENOENT) {
- char errbuf[1024];
- WARNING("battery plugin: fopen (%s) failed: %s", filename,
- sstrerror(status, errbuf, sizeof(errbuf)));
- }
+ status = (int)read_file_contents(filename, buffer, buffer_size - 1);
+ if (status < 0)
return status;
- }
- if (fgets(buffer, buffer_size, fp) == NULL) {
- status = errno;
- if (status != ENODEV) {
- char errbuf[1024];
- WARNING("battery plugin: fgets (%s) failed: %s", filename,
- sstrerror(status, errbuf, sizeof(errbuf)));
- }
- fclose(fp);
- return status;
- }
+ buffer[status] = '\0';
strstripnewline(buffer);
-
- fclose(fp);
return 0;
} /* }}} int sysfs_file_to_buffer */
char const *power_supply, char const *basename,
gauge_t *ret_value) {
int status;
- char buffer[32] = "";
+ char buffer[32];
status =
sysfs_file_to_buffer(dir, power_supply, basename, buffer, sizeof(buffer));
if (status != 0)
- return (status);
+ return status;
- return (strtogauge(buffer, ret_value));
+ return strtogauge(buffer, ret_value);
} /* }}} sysfs_file_to_gauge */
static int read_sysfs_capacity(char const *dir, /* {{{ */
status =
sysfs_file_to_gauge(dir, power_supply, "energy_now", &capacity_charged);
if (status != 0)
- return (status);
+ return status;
status =
sysfs_file_to_gauge(dir, power_supply, "energy_full", &capacity_full);
if (status != 0)
- return (status);
+ return status;
status = sysfs_file_to_gauge(dir, power_supply, "energy_full_design",
&capacity_design);
if (status != 0)
- return (status);
+ return status;
submit_capacity(plugin_instance, capacity_charged * SYSFS_FACTOR,
capacity_full * SYSFS_FACTOR, capacity_design * SYSFS_FACTOR);
- return (0);
+ return 0;
} /* }}} int read_sysfs_capacity */
static int read_sysfs_callback(char const *dir, /* {{{ */
status =
sysfs_file_to_buffer(dir, power_supply, "type", buffer, sizeof(buffer));
if (status != 0)
- return (0);
+ return 0;
if (strcasecmp("Battery", buffer) != 0)
- return (0);
+ return 0;
(void)sysfs_file_to_buffer(dir, power_supply, "status", buffer,
sizeof(buffer));
if (sysfs_file_to_gauge(dir, power_supply, "voltage_now", &v) == 0)
battery_submit(plugin_instance, "voltage", v * SYSFS_FACTOR);
- return (0);
+ return 0;
} /* }}} int read_sysfs_callback */
static int read_sysfs(void) /* {{{ */
int battery_counter = 0;
if (access(SYSFS_PATH, R_OK) != 0)
- return (ENOENT);
+ return ENOENT;
status = walk_directory(SYSFS_PATH, read_sysfs_callback,
/* user_data = */ &battery_counter,
/* include hidden */ 0);
- return (status);
+ return status;
} /* }}} int read_sysfs */
static int read_acpi_full_capacity(char const *dir, /* {{{ */
FILE *fh;
- ssnprintf(filename, sizeof(filename), "%s/%s/info", dir, power_supply);
+ snprintf(filename, sizeof(filename), "%s/%s/info", dir, power_supply);
fh = fopen(filename, "r");
if (fh == NULL)
- return (errno);
+ return errno;
/* last full capacity: 40090 mWh */
while (fgets(buffer, sizeof(buffer), fh) != NULL) {
}
fclose(fh);
- return (0);
+ return 0;
} /* }}} int read_acpi_full_capacity */
static int read_acpi_callback(char const *dir, /* {{{ */
FILE *fh;
- ssnprintf(filename, sizeof(filename), "%s/%s/state", dir, power_supply);
+ snprintf(filename, sizeof(filename), "%s/%s/state", dir, power_supply);
fh = fopen(filename, "r");
if (fh == NULL) {
if ((errno == EAGAIN) || (errno == EINTR) || (errno == ENOENT))
- return (0);
+ return 0;
else
- return (errno);
+ return errno;
}
/*
int battery_counter = 0;
if (access(PROC_ACPI_PATH, R_OK) != 0)
- return (ENOENT);
+ return ENOENT;
status = walk_directory(PROC_ACPI_PATH, read_acpi_callback,
/* user_data = */ &battery_counter,
/* include hidden */ 0);
- return (status);
+ return status;
} /* }}} int read_acpi */
static int read_pmu(void) /* {{{ */
gauge_t voltage = NAN;
gauge_t charge = NAN;
- ssnprintf(filename, sizeof(filename), PROC_PMU_PATH_FORMAT, i);
+ snprintf(filename, sizeof(filename), PROC_PMU_PATH_FORMAT, i);
if (access(filename, R_OK) != 0)
break;
- ssnprintf(plugin_instance, sizeof(plugin_instance), "%i", i);
+ snprintf(plugin_instance, sizeof(plugin_instance), "%i", i);
fh = fopen(filename, "r");
if (fh == NULL) {
else if ((errno == EAGAIN) || (errno == EINTR))
continue;
else
- return (errno);
+ return errno;
}
while (fgets(buffer, sizeof(buffer), fh) != NULL) {
}
if (i == 0)
- return (ENOENT);
- return (0);
+ return ENOENT;
+ return 0;
} /* }}} int read_pmu */
static int battery_read(void) /* {{{ */
{
int status;
+ if (query_statefs)
+ return battery_read_statefs();
+
DEBUG("battery plugin: Trying sysfs ...");
status = read_sysfs();
if (status == 0)
- return (0);
+ return 0;
DEBUG("battery plugin: Trying acpi ...");
status = read_acpi();
if (status == 0)
- return (0);
+ return 0;
DEBUG("battery plugin: Trying pmu ...");
status = read_pmu();
if (status == 0)
- return (0);
+ return 0;
ERROR("battery plugin: All available input methods failed.");
- return (-1);
+ return -1;
} /* }}} int battery_read */
#endif /* KERNEL_LINUX */
cf_util_get_boolean(child, &report_percent);
else if (strcasecmp("ReportDegraded", child->key) == 0)
cf_util_get_boolean(child, &report_degraded);
+ else if (strcasecmp("QueryStateFS", child->key) == 0)
+ cf_util_get_boolean(child, &query_statefs);
else
WARNING("battery plugin: Ignoring unknown "
"configuration option \"%s\".",
child->key);
}
- return (0);
+ return 0;
} /* }}} int battery_config */
void module_register(void) {
projects / collectd.git / blobdiff