prop_dictionary_t
prop_dictionary_augment(prop_dictionary_t bottom, prop_dictionary_t top)
{
prop_object_iterator_t i;
prop_dictionary_t d;
prop_object_t ko, o;
prop_dictionary_keysym_t k;
const char *key;
d = prop_dictionary_copy_mutable(bottom);
i = prop_dictionary_iterator(top);
while ((ko = prop_object_iterator_next(i)) != NULL) {
k = (prop_dictionary_keysym_t)ko;
key = prop_dictionary_keysym_cstring_nocopy(k);
o = prop_dictionary_get_keysym(top, k);
if (o == NULL || !prop_dictionary_set(d, key, o)) {
prop_object_release((prop_object_t)d);
d = NULL;
break;
}
}
prop_object_iterator_release(i);
prop_dictionary_make_immutable(d);
return d;
}
static const char *
acpi_debug_getkey(prop_dictionary_t dict, uint32_t arg)
{
prop_object_iterator_t i;
prop_object_t obj, val;
const char *key;
uint32_t num;
i = prop_dictionary_iterator(dict);
while ((obj = prop_object_iterator_next(i)) != NULL) {
key = prop_dictionary_keysym_cstring_nocopy(obj);
val = prop_dictionary_get(dict, key);
num = prop_number_unsigned_integer_value(val);
if (arg == num)
return key;
}
return "UNKNOWN";
}
/*
* Reads the CPU temperature from /sys/class/thermal/thermal_zone%d/temp (or
* the user provided path) and returns the temperature in degree celcius.
*
*/
void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format, int max_threshold) {
char *outwalk = buffer;
#ifdef THERMAL_ZONE
const char *walk;
bool colorful_output = false;
char *thermal_zone;
if (path == NULL)
asprintf(&thermal_zone, THERMAL_ZONE, zone);
else {
static glob_t globbuf;
if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
die("glob() failed\n");
if (globbuf.gl_pathc == 0) {
/* No glob matches, the specified path does not contain a wildcard. */
asprintf(&thermal_zone, path, zone);
} else {
/* glob matched, we take the first match and ignore the others */
asprintf(&thermal_zone, "%s", globbuf.gl_pathv[0]);
}
globfree(&globbuf);
}
INSTANCE(thermal_zone);
for (walk = format; *walk != '\0'; walk++) {
if (*walk != '%') {
*(outwalk++) = *walk;
continue;
}
if (BEGINS_WITH(walk + 1, "degrees")) {
#if defined(LINUX)
static char buf[16];
long int temp;
if (!slurp(thermal_zone, buf, sizeof(buf)))
goto error;
temp = strtol(buf, NULL, 10);
if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
*(outwalk++) = '?';
else {
if ((temp / 1000) >= max_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
outwalk += sprintf(outwalk, "%ld", (temp / 1000));
if (colorful_output) {
END_COLOR;
colorful_output = false;
}
}
#elif defined(__DragonFly__)
struct sensor th_sensor;
size_t th_sensorlen;
th_sensorlen = sizeof(th_sensor);
if (sysctlbyname(thermal_zone, &th_sensor, &th_sensorlen, NULL, 0) == -1) {
perror("sysctlbyname");
goto error;
}
if (MUKTOC(th_sensor.value) >= max_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
outwalk += sprintf(outwalk, "%.2f", MUKTOC(th_sensor.value));
if (colorful_output) {
END_COLOR;
colorful_output = false;
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
int sysctl_rslt;
size_t sysctl_size = sizeof(sysctl_rslt);
if (sysctlbyname(thermal_zone, &sysctl_rslt, &sysctl_size, NULL, 0))
goto error;
if (TZ_AVG(sysctl_rslt) >= max_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
outwalk += sprintf(outwalk, "%d.%d", TZ_KELVTOC(sysctl_rslt));
if (colorful_output) {
END_COLOR;
colorful_output = false;
}
#elif defined(__OpenBSD__)
struct sensordev sensordev;
struct sensor sensor;
size_t sdlen, slen;
int dev, numt, mib[5] = {CTL_HW, HW_SENSORS, 0, 0, 0};
sdlen = sizeof(sensordev);
slen = sizeof(sensor);
for (dev = 0;; dev++) {
mib[2] = dev;
if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
if (errno == ENXIO)
continue;
if (errno == ENOENT)
break;
goto error;
}
/* 'path' is the node within the full path (defaults to acpitz0). */
if (BEGINS_WITH(sensordev.xname, thermal_zone)) {
mib[3] = SENSOR_TEMP;
/* Limit to temo0, but should retrieve from a full path... */
for (numt = 0; numt < 1 /*sensordev.maxnumt[SENSOR_TEMP]*/; numt++) {
mib[4] = numt;
if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
if (errno != ENOENT) {
warn("sysctl");
continue;
}
}
if ((int)MUKTOC(sensor.value) >= max_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
outwalk += sprintf(outwalk, "%.2f", MUKTOC(sensor.value));
if (colorful_output) {
END_COLOR;
colorful_output = false;
}
}
}
}
#elif defined(__NetBSD__)
int fd, rval;
bool err = false;
prop_dictionary_t dict;
prop_array_t array;
prop_object_iterator_t iter;
prop_object_iterator_t iter2;
prop_object_t obj, obj2, obj3;
fd = open("/dev/sysmon", O_RDONLY);
if (fd == -1)
goto error;
rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
if (rval == -1) {
err = true;
goto error_netbsd1;
}
/* No drivers registered? */
if (prop_dictionary_count(dict) == 0) {
err = true;
goto error_netbsd2;
}
iter = prop_dictionary_iterator(dict);
if (iter == NULL) {
err = true;
goto error_netbsd2;
}
/* iterate over the dictionary returned by the kernel */
while ((obj = prop_object_iterator_next(iter)) != NULL) {
/* skip this dict if it's not what we're looking for */
if ((strlen(prop_dictionary_keysym_cstring_nocopy(obj)) != strlen(thermal_zone)) ||
(strncmp(thermal_zone,
prop_dictionary_keysym_cstring_nocopy(obj),
strlen(thermal_zone)) != 0))
continue;
array = prop_dictionary_get_keysym(dict, obj);
if (prop_object_type(array) != PROP_TYPE_ARRAY) {
err = true;
goto error_netbsd3;
}
iter2 = prop_array_iterator(array);
if (!iter2) {
err = true;
goto error_netbsd3;
}
/* iterate over array of dicts specific to target sensor */
while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
obj3 = prop_dictionary_get(obj2, "cur-value");
float temp = MUKTOC(prop_number_integer_value(obj3));
if ((int)temp >= max_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
outwalk += sprintf(outwalk, "%.2f", temp);
if (colorful_output) {
END_COLOR;
colorful_output = false;
}
break;
}
prop_object_iterator_release(iter2);
}
error_netbsd3:
prop_object_iterator_release(iter);
error_netbsd2:
prop_object_release(dict);
error_netbsd1:
close(fd);
if (err)
goto error;
#endif
walk += strlen("degrees");
}
}
free(thermal_zone);
OUTPUT_FULL_TEXT(buffer);
return;
error:
free(thermal_zone);
#endif
OUTPUT_FULL_TEXT("can't read temp");
(void)fputs("i3status: Cannot read temperature. Verify that you have a thermal zone in /sys/class/thermal or disable the cpu_temperature module in your i3status config.\n", stderr);
}
static
int
swsensor_init(void *arg)
{
int error, val = 0;
const char *key, *str;
prop_dictionary_t pd = (prop_dictionary_t)arg;
prop_object_t po, obj;
prop_object_iterator_t iter;
prop_type_t type;
const struct sme_descr_entry *descr;
swsensor_sme = sysmon_envsys_create();
if (swsensor_sme == NULL)
return ENOTTY;
swsensor_sme->sme_name = "swsensor";
swsensor_sme->sme_cookie = &swsensor_edata;
swsensor_sme->sme_refresh = swsensor_refresh;
swsensor_sme->sme_set_limits = NULL;
swsensor_sme->sme_get_limits = NULL;
/* Set defaults in case no prop dictionary given */
swsensor_edata.units = ENVSYS_INTEGER;
swsensor_edata.flags = 0;
sw_sensor_mode = 0;
sw_sensor_value = 0;
sw_sensor_limit = 0;
/* Iterate over the provided dictionary, if any */
if (pd != NULL) {
iter = prop_dictionary_iterator(pd);
if (iter == NULL)
return ENOMEM;
while ((obj = prop_object_iterator_next(iter)) != NULL) {
key = prop_dictionary_keysym_cstring_nocopy(obj);
po = prop_dictionary_get_keysym(pd, obj);
type = prop_object_type(po);
if (type == PROP_TYPE_NUMBER)
val = prop_number_integer_value(po);
/* Sensor type/units */
if (strcmp(key, "type") == 0) {
if (type == PROP_TYPE_NUMBER) {
descr = sme_find_table_entry(
SME_DESC_UNITS, val);
if (descr == NULL)
return EINVAL;
swsensor_edata.units = descr->type;
continue;
}
if (type != PROP_TYPE_STRING)
return EINVAL;
str = prop_string_cstring_nocopy(po);
descr = sme_find_table_desc(SME_DESC_UNITS,
str);
if (descr == NULL)
return EINVAL;
swsensor_edata.units = descr->type;
continue;
}
/* Sensor flags */
if (strcmp(key, "flags") == 0) {
if (type != PROP_TYPE_NUMBER)
return EINVAL;
swsensor_edata.flags = val;
continue;
}
/* Sensor limit behavior
* 0 - simple sensor, no hw limits
* 1 - simple sensor, hw provides initial limit
* 2 - complex sensor, hw provides settable
* limits and does its own limit checking
*/
if (strcmp(key, "mode") == 0) {
if (type != PROP_TYPE_NUMBER)
return EINVAL;
sw_sensor_mode = val;
if (sw_sensor_mode > 2)
sw_sensor_mode = 2;
else if (sw_sensor_mode < 0)
sw_sensor_mode = 0;
continue;
}
/* Grab any limit that might be specified */
if (strcmp(key, "limit") == 0) {
if (type != PROP_TYPE_NUMBER)
return EINVAL;
sw_sensor_limit = val;
continue;
}
/* Grab the initial value */
if (strcmp(key, "value") == 0) {
if (type != PROP_TYPE_NUMBER)
return EINVAL;
sw_sensor_value = val;
continue;
}
/* Grab value_min and value_max */
if (strcmp(key, "value_min") == 0) {
if (type != PROP_TYPE_NUMBER)
return EINVAL;
swsensor_edata.value_min = val;
swsensor_edata.flags |= ENVSYS_FVALID_MIN;
continue;
}
if (strcmp(key, "value_max") == 0) {
if (type != PROP_TYPE_NUMBER)
return EINVAL;
swsensor_edata.value_max = val;
swsensor_edata.flags |= ENVSYS_FVALID_MAX;
continue;
}
/* See if sensor reports percentages vs raw values */
if (strcmp(key, "percentage") == 0) {
if (type != PROP_TYPE_BOOL)
return EINVAL;
if (prop_bool_true(po))
swsensor_edata.flags |= ENVSYS_FPERCENT;
continue;
}
/* Unrecognized dicttionary object */
#ifdef DEBUG
printf("%s: unknown attribute %s\n", __func__, key);
#endif
return EINVAL;
} /* while */
prop_object_iterator_release(iter);
}
/* Initialize limit processing */
if (sw_sensor_mode >= 1)
swsensor_sme->sme_get_limits = swsensor_get_limits;
if (sw_sensor_mode == 2)
swsensor_sme->sme_set_limits = swsensor_set_limits;
if (sw_sensor_mode != 0) {
swsensor_edata.flags |= ENVSYS_FMONLIMITS;
swsensor_get_limits(swsensor_sme, &swsensor_edata,
&sw_sensor_deflims, &sw_sensor_defprops);
}
strlcpy(swsensor_edata.desc, "sensor", ENVSYS_DESCLEN);
/* Wait for refresh to validate the sensor value */
swsensor_edata.state = ENVSYS_SINVALID;
sw_sensor_state = ENVSYS_SVALID;
error = sysmon_envsys_sensor_attach(swsensor_sme, &swsensor_edata);
if (error != 0) {
aprint_error("sysmon_envsys_sensor_attach failed: %d\n", error);
return error;
}
error = sysmon_envsys_register(swsensor_sme);
if (error != 0) {
aprint_error("sysmon_envsys_register failed: %d\n", error);
return error;
}
sysctl_swsensor_setup();
aprint_normal("swsensor: initialized\n");
return 0;
}
static bool slurp_battery_info(struct battery_info *batt_info, yajl_gen json_gen, char *buffer, int number, const char *path, const char *format_down) {
char *outwalk = buffer;
#if defined(LINUX)
char buf[1024];
memset(buf, 0, 1024);
const char *walk, *last;
bool watt_as_unit = false;
int voltage = -1;
char batpath[512];
sprintf(batpath, path, number);
INSTANCE(batpath);
if (!slurp(batpath, buf, sizeof(buf))) {
OUTPUT_FULL_TEXT(format_down);
return false;
}
for (walk = buf, last = buf; (walk - buf) < 1024; walk++) {
if (*walk == '\n') {
last = walk + 1;
continue;
}
if (*walk != '=')
continue;
if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW=")) {
watt_as_unit = true;
batt_info->remaining = atoi(walk + 1);
batt_info->percentage_remaining = -1;
} else if (BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW=")) {
watt_as_unit = false;
batt_info->remaining = atoi(walk + 1);
batt_info->percentage_remaining = -1;
} else if (BEGINS_WITH(last, "POWER_SUPPLY_CAPACITY=") && batt_info->remaining == -1) {
batt_info->percentage_remaining = atoi(walk + 1);
} else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW="))
batt_info->present_rate = abs(atoi(walk + 1));
else if (BEGINS_WITH(last, "POWER_SUPPLY_VOLTAGE_NOW="))
voltage = abs(atoi(walk + 1));
/* on some systems POWER_SUPPLY_POWER_NOW does not exist, but actually
* it is the same as POWER_SUPPLY_CURRENT_NOW but with μWh as
* unit instead of μAh. We will calculate it as we need it
* later. */
else if (BEGINS_WITH(last, "POWER_SUPPLY_POWER_NOW="))
batt_info->present_rate = abs(atoi(walk + 1));
else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
batt_info->status = CS_CHARGING;
else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
batt_info->status = CS_FULL;
else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Discharging"))
batt_info->status = CS_DISCHARGING;
else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS="))
batt_info->status = CS_UNKNOWN;
else if (BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN=") ||
BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN="))
batt_info->full_design = atoi(walk + 1);
else if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL=") ||
BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL="))
batt_info->full_last = atoi(walk + 1);
}
/* the difference between POWER_SUPPLY_ENERGY_NOW and
* POWER_SUPPLY_CHARGE_NOW is the unit of measurement. The energy is
* given in mWh, the charge in mAh. So calculate every value given in
* ampere to watt */
if (!watt_as_unit && voltage >= 0) {
if (batt_info->present_rate > 0) {
batt_info->present_rate = (((float)voltage / 1000.0) * ((float)batt_info->present_rate / 1000.0));
}
if (batt_info->remaining > 0) {
batt_info->remaining = (((float)voltage / 1000.0) * ((float)batt_info->remaining / 1000.0));
}
if (batt_info->full_design > 0) {
batt_info->full_design = (((float)voltage / 1000.0) * ((float)batt_info->full_design / 1000.0));
}
if (batt_info->full_last > 0) {
batt_info->full_last = (((float)voltage / 1000.0) * ((float)batt_info->full_last / 1000.0));
}
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
int state;
int sysctl_rslt;
size_t sysctl_size = sizeof(sysctl_rslt);
if (sysctlbyname(BATT_LIFE, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
OUTPUT_FULL_TEXT(format_down);
return false;
}
batt_info->percentage_remaining = sysctl_rslt;
if (sysctlbyname(BATT_TIME, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
OUTPUT_FULL_TEXT(format_down);
return false;
}
batt_info->seconds_remaining = sysctl_rslt * 60;
if (sysctlbyname(BATT_STATE, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
OUTPUT_FULL_TEXT(format_down);
return false;
}
state = sysctl_rslt;
if (state == 0 && batt_info->percentage_remaining == 100)
batt_info->status = CS_FULL;
else if ((state & ACPI_BATT_STAT_CHARGING) && batt_info->percentage_remaining < 100)
batt_info->status = CS_CHARGING;
else
batt_info->status = CS_DISCHARGING;
#elif defined(__OpenBSD__)
/*
* We're using apm(4) here, which is the interface to acpi(4) on amd64/i386 and
* the generic interface on macppc/sparc64/zaurus, instead of using sysctl(3) and
* probing acpi(4) devices.
*/
struct apm_power_info apm_info;
int apm_fd;
apm_fd = open("/dev/apm", O_RDONLY);
if (apm_fd < 0) {
OUTPUT_FULL_TEXT("can't open /dev/apm");
return false;
}
if (ioctl(apm_fd, APM_IOC_GETPOWER, &apm_info) < 0)
OUTPUT_FULL_TEXT("can't read power info");
close(apm_fd);
/* Don't bother to go further if there's no battery present. */
if ((apm_info.battery_state == APM_BATTERY_ABSENT) ||
(apm_info.battery_state == APM_BATT_UNKNOWN)) {
OUTPUT_FULL_TEXT(format_down);
return false;
}
switch (apm_info.ac_state) {
case APM_AC_OFF:
batt_info->status = CS_DISCHARGING;
break;
case APM_AC_ON:
batt_info->status = CS_CHARGING;
break;
default:
/* If we don't know what's going on, just assume we're discharging. */
batt_info->status = CS_DISCHARGING;
break;
}
batt_info->percentage_remaining = apm_info.battery_life;
/* Can't give a meaningful value for remaining minutes if we're charging. */
if (batt_info->status != CS_CHARGING) {
batt_info->seconds_remaining = apm_info.minutes_left * 60;
}
#elif defined(__NetBSD__)
/*
* Using envsys(4) via sysmon(4).
*/
int fd, rval;
bool is_found = false;
char sensor_desc[16];
prop_dictionary_t dict;
prop_array_t array;
prop_object_iterator_t iter;
prop_object_iterator_t iter2;
prop_object_t obj, obj2, obj3, obj4, obj5;
if (number >= 0)
(void)snprintf(sensor_desc, sizeof(sensor_desc), "acpibat%d", number);
fd = open("/dev/sysmon", O_RDONLY);
if (fd < 0) {
OUTPUT_FULL_TEXT("can't open /dev/sysmon");
return false;
}
rval = prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict);
if (rval == -1) {
close(fd);
return false;
}
if (prop_dictionary_count(dict) == 0) {
prop_object_release(dict);
close(fd);
return false;
}
iter = prop_dictionary_iterator(dict);
if (iter == NULL) {
prop_object_release(dict);
close(fd);
}
/* iterate over the dictionary returned by the kernel */
while ((obj = prop_object_iterator_next(iter)) != NULL) {
/* skip this dict if it's not what we're looking for */
if (number < 0) {
/* we want all batteries */
if (!BEGINS_WITH(prop_dictionary_keysym_cstring_nocopy(obj),
"acpibat"))
continue;
} else {
/* we want a specific battery */
if (strcmp(sensor_desc,
prop_dictionary_keysym_cstring_nocopy(obj)) != 0)
continue;
}
is_found = true;
array = prop_dictionary_get_keysym(dict, obj);
if (prop_object_type(array) != PROP_TYPE_ARRAY) {
prop_object_iterator_release(iter);
prop_object_release(dict);
close(fd);
return false;
}
iter2 = prop_array_iterator(array);
if (!iter2) {
prop_object_iterator_release(iter);
prop_object_release(dict);
close(fd);
return false;
}
struct battery_info batt_buf = {
.full_design = 0,
.full_last = 0,
.remaining = 0,
.present_rate = 0,
.status = CS_UNKNOWN,
};
int voltage = -1;
bool watt_as_unit = false;
/* iterate over array of dicts specific to target battery */
while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
obj3 = prop_dictionary_get(obj2, "description");
if (obj3 == NULL)
continue;
if (strcmp("charging", prop_string_cstring_nocopy(obj3)) == 0) {
obj3 = prop_dictionary_get(obj2, "cur-value");
if (prop_number_integer_value(obj3))
batt_buf.status = CS_CHARGING;
else
batt_buf.status = CS_DISCHARGING;
} else if (strcmp("charge", prop_string_cstring_nocopy(obj3)) == 0) {
obj3 = prop_dictionary_get(obj2, "cur-value");
obj4 = prop_dictionary_get(obj2, "max-value");
obj5 = prop_dictionary_get(obj2, "type");
batt_buf.remaining = prop_number_integer_value(obj3);
batt_buf.full_design = prop_number_integer_value(obj4);
if (strcmp("Ampere hour", prop_string_cstring_nocopy(obj5)) == 0)
watt_as_unit = false;
else
watt_as_unit = true;
} else if (strcmp("discharge rate", prop_string_cstring_nocopy(obj3)) == 0) {
obj3 = prop_dictionary_get(obj2, "cur-value");
batt_buf.present_rate = prop_number_integer_value(obj3);
} else if (strcmp("charge rate", prop_string_cstring_nocopy(obj3)) == 0) {
obj3 = prop_dictionary_get(obj2, "cur-value");
batt_info->present_rate = prop_number_integer_value(obj3);
} else if (strcmp("last full cap", prop_string_cstring_nocopy(obj3)) == 0) {
obj3 = prop_dictionary_get(obj2, "cur-value");
batt_buf.full_last = prop_number_integer_value(obj3);
} else if (strcmp("voltage", prop_string_cstring_nocopy(obj3)) == 0) {
obj3 = prop_dictionary_get(obj2, "cur-value");
voltage = prop_number_integer_value(obj3);
}
}
prop_object_iterator_release(iter2);
if (!watt_as_unit && voltage != -1) {
batt_buf.present_rate = (((float)voltage / 1000.0) * ((float)batt_buf.present_rate / 1000.0));
batt_buf.remaining = (((float)voltage / 1000.0) * ((float)batt_buf.remaining / 1000.0));
batt_buf.full_design = (((float)voltage / 1000.0) * ((float)batt_buf.full_design / 1000.0));
batt_buf.full_last = (((float)voltage / 1000.0) * ((float)batt_buf.full_last / 1000.0));
}
if (batt_buf.remaining == batt_buf.full_design)
batt_buf.status = CS_FULL;
add_battery_info(batt_info, &batt_buf);
}
prop_object_iterator_release(iter);
prop_object_release(dict);
close(fd);
if (!is_found) {
OUTPUT_FULL_TEXT(format_down);
return false;
}
batt_info->present_rate = abs(batt_info->present_rate);
#endif
return true;
}
/*
* Populate batt_info with aggregate information about all batteries.
* Returns false on error, and an error message will have been written.
*/
static bool slurp_all_batteries(struct battery_info *batt_info, yajl_gen json_gen, char *buffer, const char *path, const char *format_down) {
#if defined(LINUX)
char *outwalk = buffer;
bool is_found = false;
char *placeholder;
char *globpath = sstrdup(path);
if ((placeholder = strstr(path, "%d")) != NULL) {
char *globplaceholder = globpath + (placeholder - path);
*globplaceholder = '*';
strcpy(globplaceholder + 1, placeholder + 2);
}
if (!strcmp(globpath, path)) {
OUTPUT_FULL_TEXT("no '%d' in battery path");
return false;
}
glob_t globbuf;
if (glob(globpath, 0, NULL, &globbuf) == 0) {
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
/* Probe to see if there is such a battery. */
struct battery_info batt_buf = {
.full_design = 0,
.full_last = 0,
.remaining = 0,
.present_rate = 0,
.status = CS_UNKNOWN,
};
if (!slurp_battery_info(&batt_buf, json_gen, buffer, i, globbuf.gl_pathv[i], format_down))
return false;
is_found = true;
add_battery_info(batt_info, &batt_buf);
}
}
globfree(&globbuf);
free(globpath);
if (!is_found) {
OUTPUT_FULL_TEXT(format_down);
return false;
}
batt_info->present_rate = abs(batt_info->present_rate);
#else
/* FreeBSD and OpenBSD only report aggregates. NetBSD always
* iterates through all batteries, so it's more efficient to
* aggregate in slurp_battery_info. */
return slurp_battery_info(batt_info, json_gen, buffer, -1, path, format_down);
#endif
return true;
}
void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char *path, const char *format, const char *format_down, const char *status_chr, const char *status_bat, const char *status_unk, const char *status_full, int low_threshold, char *threshold_type, bool last_full_capacity, bool integer_battery_capacity, bool hide_seconds) {
const char *walk;
char *outwalk = buffer;
struct battery_info batt_info = {
.full_design = -1,
.full_last = -1,
.remaining = -1,
.present_rate = -1,
.seconds_remaining = -1,
.percentage_remaining = -1,
.status = CS_UNKNOWN,
};
bool colorful_output = false;
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__OpenBSD__)
/* These OSes report battery stats in whole percent. */
integer_battery_capacity = true;
#endif
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__OpenBSD__)
/* These OSes report battery time in minutes. */
hide_seconds = true;
#endif
if (number < 0) {
if (!slurp_all_batteries(&batt_info, json_gen, buffer, path, format_down))
return;
} else {
if (!slurp_battery_info(&batt_info, json_gen, buffer, number, path, format_down))
return;
}
// *Choose* a measure of the 'full' battery. It is whichever is better of
// the battery's (hardware-given) design capacity (batt_info.full_design)
// and the battery's last known good charge (batt_info.full_last).
// We prefer the design capacity, but use the last capacity if we don't have it,
// or if we are asked to (last_full_capacity == true); but similarly we use
// the design capacity if we don't have the last capacity.
// If we don't have either then both full_design and full_last <= 0,
// which implies full <= 0, which bails out on the following line.
int full = batt_info.full_design;
if (full <= 0 || (last_full_capacity && batt_info.full_last > 0)) {
full = batt_info.full_last;
}
if (full <= 0 && batt_info.remaining < 0 && batt_info.percentage_remaining < 0) {
/* We have no physical measurements and no estimates. Nothing
* much we can report, then. */
OUTPUT_FULL_TEXT(format_down);
return;
}
if (batt_info.percentage_remaining < 0) {
batt_info.percentage_remaining = (((float)batt_info.remaining / (float)full) * 100);
/* Some batteries report POWER_SUPPLY_CHARGE_NOW=<full_design> when fully
* charged, even though that’s plainly wrong. For people who chose to see
* the percentage calculated based on the last full capacity, we clamp the
* value to 100%, as that makes more sense.
* See http://bugs.debian.org/785398 */
if (last_full_capacity && batt_info.percentage_remaining > 100) {
batt_info.percentage_remaining = 100;
}
}
if (batt_info.seconds_remaining < 0 && batt_info.present_rate > 0 && batt_info.status != CS_FULL) {
if (batt_info.status == CS_CHARGING)
batt_info.seconds_remaining = 3600.0 * (full - batt_info.remaining) / batt_info.present_rate;
else if (batt_info.status == CS_DISCHARGING)
batt_info.seconds_remaining = 3600.0 * batt_info.remaining / batt_info.present_rate;
else
batt_info.seconds_remaining = 0;
}
if (batt_info.status == CS_DISCHARGING && low_threshold > 0) {
if (batt_info.percentage_remaining >= 0 && strcasecmp(threshold_type, "percentage") == 0 && batt_info.percentage_remaining < low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
} else if (batt_info.seconds_remaining >= 0 && strcasecmp(threshold_type, "time") == 0 && batt_info.seconds_remaining < 60 * low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
}
#define EAT_SPACE_FROM_OUTPUT_IF_NO_OUTPUT() \
do { \
if (outwalk == prevoutwalk) { \
if (outwalk > buffer && isspace((int)outwalk[-1])) \
outwalk--; \
else if (isspace((int)*(walk + 1))) \
walk++; \
} \
} while (0)
for (walk = format; *walk != '\0'; walk++) {
char *prevoutwalk = outwalk;
if (*walk != '%') {
*(outwalk++) = *walk;
continue;
}
if (BEGINS_WITH(walk + 1, "status")) {
const char *statusstr;
switch (batt_info.status) {
case CS_CHARGING:
statusstr = status_chr;
break;
case CS_DISCHARGING:
statusstr = status_bat;
break;
case CS_FULL:
statusstr = status_full;
break;
default:
statusstr = status_unk;
}
outwalk += sprintf(outwalk, "%s", statusstr);
walk += strlen("status");
} else if (BEGINS_WITH(walk + 1, "percentage")) {
if (integer_battery_capacity) {
outwalk += sprintf(outwalk, "%.00f%s", batt_info.percentage_remaining, pct_mark);
} else {
outwalk += sprintf(outwalk, "%.02f%s", batt_info.percentage_remaining, pct_mark);
}
walk += strlen("percentage");
} else if (BEGINS_WITH(walk + 1, "remaining")) {
if (batt_info.seconds_remaining >= 0) {
int seconds, hours, minutes;
hours = batt_info.seconds_remaining / 3600;
seconds = batt_info.seconds_remaining - (hours * 3600);
minutes = seconds / 60;
seconds -= (minutes * 60);
if (hide_seconds)
outwalk += sprintf(outwalk, "%02d:%02d",
max(hours, 0), max(minutes, 0));
else
outwalk += sprintf(outwalk, "%02d:%02d:%02d",
max(hours, 0), max(minutes, 0), max(seconds, 0));
}
walk += strlen("remaining");
EAT_SPACE_FROM_OUTPUT_IF_NO_OUTPUT();
} else if (BEGINS_WITH(walk + 1, "emptytime")) {
if (batt_info.seconds_remaining >= 0) {
time_t empty_time = time(NULL) + batt_info.seconds_remaining;
set_timezone(NULL); /* Use local time. */
struct tm *empty_tm = localtime(&empty_time);
if (hide_seconds)
outwalk += sprintf(outwalk, "%02d:%02d",
max(empty_tm->tm_hour, 0), max(empty_tm->tm_min, 0));
else
outwalk += sprintf(outwalk, "%02d:%02d:%02d",
max(empty_tm->tm_hour, 0), max(empty_tm->tm_min, 0), max(empty_tm->tm_sec, 0));
}
walk += strlen("emptytime");
EAT_SPACE_FROM_OUTPUT_IF_NO_OUTPUT();
} else if (BEGINS_WITH(walk + 1, "consumption")) {
if (batt_info.present_rate >= 0)
outwalk += sprintf(outwalk, "%1.2fW", batt_info.present_rate / 1e6);
walk += strlen("consumption");
EAT_SPACE_FROM_OUTPUT_IF_NO_OUTPUT();
}
}
if (colorful_output)
END_COLOR;
OUTPUT_FULL_TEXT(buffer);
}