-// vim:ts=8:expandtab
-#include <time.h>
-#include <string.h>
-#include <stdlib.h>
+// vim:ts=4:sw=4:expandtab
+#include <ctype.h>
#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_version.h>
#include "i3status.h"
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#if defined(LINUX)
+#include <errno.h>
+#include <glob.h>
#include <sys/types.h>
-#include <sys/sysctl.h>
#endif
-#if defined(__OpenBSD__)
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
+#include <dev/acpica/acpiio.h>
+#include <sys/sysctl.h>
#include <sys/types.h>
-#include <sys/ioctl.h>
+#endif
+
+#if defined(__DragonFly__)
#include <sys/fcntl.h>
+#endif
+
+#if defined(__OpenBSD__)
#include <machine/apmvar.h>
+#include <sys/fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#endif
+
+#if defined(__NetBSD__)
+#include <fcntl.h>
+#include <prop/proplib.h>
+#include <sys/envsys.h>
#endif
-#define BATT_STATUS_NAME(status) \
- (status == CS_CHARGING ? "CHR" : \
- (status == CS_DISCHARGING ? "BAT" : "FULL"))
+typedef enum {
+ CS_UNKNOWN,
+ CS_DISCHARGING,
+ CS_CHARGING,
+ CS_FULL,
+} charging_status_t;
+
+/* A description of the state of one or more batteries. */
+struct battery_info {
+ /* measured properties */
+ int full_design; /* in uAh */
+ int full_last; /* in uAh */
+ int remaining; /* in uAh */
+ int present_rate; /* in uA, always non-negative */
+
+ /* derived properties */
+ int seconds_remaining;
+ float percentage_remaining;
+ charging_status_t status;
+};
+
+#if defined(__DragonFly__)
+#define ACPIDEV "/dev/acpi"
+static int acpifd;
+
+static bool acpi_init(void) {
+ if (acpifd == 0) {
+ acpifd = open(ACPIDEV, O_RDWR);
+ if (acpifd == -1)
+ acpifd = open(ACPIDEV, O_RDONLY);
+ if (acpifd == -1)
+ return false;
+ }
+ return true;
+}
+#endif
+
+#if defined(LINUX) || defined(__NetBSD__)
/*
- * Get battery information from /sys. Note that it uses the design capacity to
- * calculate the percentage, not the last full capacity, so you can see how
- * worn off your battery is.
- *
+ * Add batt_info data to acc.
*/
-void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char *path, const char *format, int threshold, bool last_full_capacity) {
- time_t empty_time;
- struct tm *empty_tm;
- char buf[1024];
- char statusbuf[16];
- char percentagebuf[16];
- char remainingbuf[256];
- char emptytimebuf[256];
- char consumptionbuf[256];
- const char *walk, *last;
- char *outwalk = buffer;
- bool watt_as_unit;
- int full_design = -1,
- remaining = -1,
- present_rate = -1,
- voltage = -1;
- charging_status_t status = CS_DISCHARGING;
-
- memset(statusbuf, '\0', sizeof(statusbuf));
- memset(percentagebuf, '\0', sizeof(percentagebuf));
- memset(remainingbuf, '\0', sizeof(remainingbuf));
- memset(emptytimebuf, '\0', sizeof(emptytimebuf));
- memset(consumptionbuf, '\0', sizeof(consumptionbuf));
-
- INSTANCE(path);
+static void add_battery_info(struct battery_info *acc, const struct battery_info *batt_info) {
+ if (acc->remaining < 0) {
+ /* initialize accumulator so we can add to it */
+ acc->full_design = 0;
+ acc->full_last = 0;
+ acc->remaining = 0;
+ acc->present_rate = 0;
+ }
+
+ acc->full_design += batt_info->full_design;
+ acc->full_last += batt_info->full_last;
+ acc->remaining += batt_info->remaining;
+
+ /* make present_rate negative for discharging and positive for charging */
+ int present_rate = (acc->status == CS_DISCHARGING ? -1 : 1) * acc->present_rate;
+ present_rate += (batt_info->status == CS_DISCHARGING ? -1 : 1) * batt_info->present_rate;
+
+ /* merge status */
+ switch (acc->status) {
+ case CS_UNKNOWN:
+ acc->status = batt_info->status;
+ break;
+
+ case CS_DISCHARGING:
+ if (present_rate > 0)
+ acc->status = CS_CHARGING;
+ /* else if batt_info is DISCHARGING: no conflict
+ * else if batt_info is CHARGING: present_rate should indicate that
+ * else if batt_info is FULL: but something else is discharging */
+ break;
+
+ case CS_CHARGING:
+ if (present_rate < 0)
+ acc->status = CS_DISCHARGING;
+ /* else if batt_info is DISCHARGING: present_rate should indicate that
+ * else if batt_info is CHARGING: no conflict
+ * else if batt_info is FULL: but something else is charging */
+ break;
+
+ case CS_FULL:
+ if (batt_info->status != CS_UNKNOWN)
+ acc->status = batt_info->status;
+ /* else: retain FULL, since it is more specific than UNKNOWN */
+ break;
+ }
+
+ acc->present_rate = abs(present_rate);
+}
+#endif
+
+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)
- static char batpath[512];
- sprintf(batpath, path, number);
- if (!slurp(batpath, buf, sizeof(buf))) {
- OUTPUT_FULL_TEXT("No battery");
- return;
+ char buf[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;
}
- 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;
- remaining = atoi(walk+1);
- }
- else if (BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW")) {
- watt_as_unit = false;
- remaining = atoi(walk+1);
- }
- else if (BEGINS_WITH(last, "POWER_SUPPLY_CURRENT_NOW"))
- present_rate = atoi(walk+1);
- else if (BEGINS_WITH(last, "POWER_SUPPLY_VOLTAGE_NOW"))
- voltage = 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"))
- present_rate = atoi(walk+1);
- else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Charging"))
- status = CS_CHARGING;
- else if (BEGINS_WITH(last, "POWER_SUPPLY_STATUS=Full"))
- status = CS_FULL;
- else {
- /* The only thing left is the full capacity */
- if (last_full_capacity) {
- if (!BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL") &&
- !BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL"))
- continue;
- } else {
- if (!BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN") &&
- !BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN"))
- continue;
- }
-
- full_design = atoi(walk+1);
- }
+ 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));
}
-
- /* 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) {
- present_rate = (((float)voltage / 1000.0) * ((float)present_rate / 1000.0));
- remaining = (((float)voltage / 1000.0) * ((float)remaining / 1000.0));
- full_design = (((float)voltage / 1000.0) * ((float)full_design / 1000.0));
+ if (batt_info->remaining > 0) {
+ batt_info->remaining = (((float)voltage / 1000.0) * ((float)batt_info->remaining / 1000.0));
}
-
- if ((full_design == -1) || (remaining == -1)) {
- OUTPUT_FULL_TEXT("No battery");
- return;
+ 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(__DragonFly__)
+ union acpi_battery_ioctl_arg battio;
+ if (acpi_init()) {
+ battio.unit = number;
+ ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio);
+ batt_info->full_design = battio.bif.dcap;
+ batt_info->full_last = battio.bif.lfcap;
+ battio.unit = number;
+ ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio);
+ batt_info->percentage_remaining = battio.battinfo.cap;
+ batt_info->present_rate = battio.battinfo.rate;
+ batt_info->seconds_remaining = battio.battinfo.min * 60;
+ switch (battio.battinfo.state) {
+ case 0:
+ batt_info->status = CS_FULL;
+ break;
+ case ACPI_BATT_STAT_CHARGING:
+ batt_info->status = CS_CHARGING;
+ break;
+ case ACPI_BATT_STAT_DISCHARG:
+ batt_info->status = CS_DISCHARGING;
+ break;
+ default:
+ batt_info->status = CS_UNKNOWN;
+ }
+ OUTPUT_FULL_TEXT(format_down);
+ }
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ 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;
}
- (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
+ is_found = true;
- (void)snprintf(percentagebuf, sizeof(percentagebuf), "%.02f%%",
- (((float)remaining / (float)full_design) * 100));
+ 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;
+ }
- if (present_rate > 0) {
- float remaining_time;
- int seconds, hours, minutes, seconds_remaining;
- if (status == CS_CHARGING)
- remaining_time = ((float)full_design - (float)remaining) / (float)present_rate;
- else if (status == CS_DISCHARGING)
- remaining_time = ((float)remaining / (float)present_rate);
- else remaining_time = 0;
+ iter2 = prop_array_iterator(array);
+ if (!iter2) {
+ prop_object_iterator_release(iter);
+ prop_object_release(dict);
+ close(fd);
+ return false;
+ }
- seconds_remaining = (int)(remaining_time * 3600.0);
+ 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);
- hours = seconds_remaining / 3600;
- seconds = seconds_remaining - (hours * 3600);
- minutes = seconds / 60;
- seconds -= (minutes * 60);
+ 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 (status == CS_DISCHARGING && threshold > 0 && seconds_remaining < 60 * threshold)
- START_COLOR("color_bad");
+ if (batt_buf.remaining == batt_buf.full_design)
+ batt_buf.status = CS_FULL;
- (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02d:%02d:%02d",
- max(hours, 0), max(minutes, 0), max(seconds, 0));
+ add_battery_info(batt_info, &batt_buf);
+ }
- empty_time = time(NULL);
- empty_time += seconds_remaining;
- empty_tm = localtime(&empty_time);
+ prop_object_iterator_release(iter);
+ prop_object_release(dict);
+ close(fd);
- (void)snprintf(emptytimebuf, sizeof(emptytimebuf), "%02d:%02d:%02d",
- max(empty_tm->tm_hour, 0), max(empty_tm->tm_min, 0), max(empty_tm->tm_sec, 0));
+ if (!is_found) {
+ OUTPUT_FULL_TEXT(format_down);
+ return false;
+ }
- (void)snprintf(consumptionbuf, sizeof(consumptionbuf), "%1.2fW",
- ((float)present_rate / 1000.0 / 1000.0));
+ batt_info->present_rate = abs(batt_info->present_rate);
+#endif
- END_COLOR;
- }
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- int state;
- int sysctl_rslt;
- size_t sysctl_size = sizeof(sysctl_rslt);
+ return true;
+}
- if (sysctlbyname(BATT_LIFE, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
- OUTPUT_FULL_TEXT("No battery");
- return;
+/*
+ * 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)) {
+ globfree(&globbuf);
+ free(globpath);
+ 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
- present_rate = sysctl_rslt;
- if (sysctlbyname(BATT_TIME, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
- OUTPUT_FULL_TEXT("No battery");
- return;
- }
+ return true;
+}
- remaining = sysctl_rslt;
- if (sysctlbyname(BATT_STATE, &sysctl_rslt, &sysctl_size, NULL,0) != 0) {
- OUTPUT_FULL_TEXT("No battery");
- return;
+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;
}
+ }
- state = sysctl_rslt;
- if (state == 0 && present_rate == 100)
- status = CS_FULL;
- else if (state == 0 && present_rate < 100)
- status = CS_CHARGING;
+ 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
- status = CS_DISCHARGING;
-
- full_design = sysctl_rslt;
-
- (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
-
- (void)snprintf(percentagebuf, sizeof(percentagebuf), "%02d%%",
- present_rate);
-
- if (state == 1) {
- int hours, minutes;
- minutes = remaining;
- hours = minutes / 60;
- minutes -= (hours * 60);
- (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02dh%02d",
- max(hours, 0), max(minutes, 0));
+ 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;
}
-#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, ac_status, charging;
-
- apm_fd = open("/dev/apm", O_RDONLY);
- if (apm_fd < 0) {
- OUTPUT_FULL_TEXT("can't open /dev/apm");
- return;
- }
- 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("No battery");
- return;
- }
-
- switch(apm_info.ac_state) {
- case APM_AC_OFF:
- ac_status = CS_DISCHARGING;
- break;
- case APM_AC_ON:
- ac_status = CS_CHARGING;
- break;
- default:
- /* If we don't know what's going on, just assume we're discharging. */
- ac_status = CS_DISCHARGING;
- break;
- }
-
- (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
- (void)snprintf(percentagebuf, sizeof(percentagebuf), "%02d%%", apm_info.battery_life);
-
- /* Can't give a meaningful value for remaining minutes if we're charging. */
- if (ac_status == CS_CHARGING)
- charging = 1;
-
- (void)snprintf(remainingbuf, sizeof(remainingbuf), (charging ? "%s" : "%d"),
- (charging ? "(CHR)" : apm_info.minutes_left));
-#endif
+ }
+
+#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;
+
+ } else 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);
- for (walk = format; *walk != '\0'; walk++) {
- if (*walk != '%') {
- *(outwalk++) = *walk;
- continue;
- }
-
- if (strncmp(walk+1, "status", strlen("status")) == 0) {
- outwalk += sprintf(outwalk, "%s", statusbuf);
- walk += strlen("status");
- } else if (strncmp(walk+1, "percentage", strlen("percentage")) == 0) {
- outwalk += sprintf(outwalk, "%s", percentagebuf);
- walk += strlen("percentage");
- } else if (strncmp(walk+1, "remaining", strlen("remaining")) == 0) {
- outwalk += sprintf(outwalk, "%s", remainingbuf);
- walk += strlen("remaining");
- } else if (strncmp(walk+1, "emptytime", strlen("emptytime")) == 0) {
- outwalk += sprintf(outwalk, "%s", emptytimebuf);
- walk += strlen("emptytime");
- } else if (strncmp(walk+1, "consumption", strlen("consumption")) == 0) {
- outwalk += sprintf(outwalk, "%s", consumptionbuf);
- walk += strlen("consumption");
- }
+ 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();
+
+ } else {
+ *(outwalk++) = '%';
}
+ }
+
+ if (colorful_output)
+ END_COLOR;
- OUTPUT_FULL_TEXT(buffer);
+ OUTPUT_FULL_TEXT(buffer);
}
projects / i3 / i3status / blobdiff