// vim:ts=8:expandtab
+#include <ctype.h>
+#include <time.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <yajl/yajl_gen.h>
+#include <yajl/yajl_version.h>
#include "i3status.h"
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#include <sys/types.h>
#include <sys/sysctl.h>
#endif
+#if defined(__OpenBSD__)
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/fcntl.h>
+#include <machine/apmvar.h>
+#endif
+
+#define BATT_STATUS_NAME(status) \
+ (status == CS_CHARGING ? "CHR" : \
+ (status == CS_DISCHARGING ? "BAT" : "FULL"))
/*
* 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.
*
*/
-void print_battery_info(int number, const char *format) {
+void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char *path, const char *format, int low_threshold, char *threshold_type, bool last_full_capacity) {
+ time_t empty_time;
+ struct tm *empty_tm;
char buf[1024];
- char *walk, *last;
+ 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;
+ bool colorful_output;
int full_design = -1,
remaining = -1,
- present_rate = -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);
+
#if defined(LINUX)
static char batpath[512];
- sprintf(batpath, "/sys/class/power_supply/BAT%d/uevent", number);
+ sprintf(batpath, path, number);
if (!slurp(batpath, buf, sizeof(buf))) {
- printf("No battery");
+ OUTPUT_FULL_TEXT("No battery");
return;
}
if (*walk != '=')
continue;
- if (BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_NOW") ||
- BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_NOW"))
+ 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 0
- if (bat->use_last_full) {
+ if (last_full_capacity) {
if (!BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL") &&
!BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL"))
continue;
} else {
-#endif
if (!BEGINS_WITH(last, "POWER_SUPPLY_CHARGE_FULL_DESIGN") &&
!BEGINS_WITH(last, "POWER_SUPPLY_ENERGY_FULL_DESIGN"))
continue;
- //}
+ }
full_design = atoi(walk+1);
}
}
- if ((full_design == 1) || (remaining == -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) {
+ 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 ((full_design == -1) || (remaining == -1)) {
+ OUTPUT_FULL_TEXT("No battery");
return;
+ }
+
+ (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
+
+ float percentage_remaining = (((float)remaining / (float)full_design) * 100);
+ (void)snprintf(percentagebuf, sizeof(percentagebuf), "%.02f%%", percentage_remaining);
if (present_rate > 0) {
float remaining_time;
- int seconds, hours, minutes;
+ 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;
- seconds = (int)(remaining_time * 3600.0);
- hours = seconds / 3600;
- seconds -= (hours * 3600);
+ seconds_remaining = (int)(remaining_time * 3600.0);
+
+ hours = seconds_remaining / 3600;
+ seconds = seconds_remaining - (hours * 3600);
minutes = seconds / 60;
seconds -= (minutes * 60);
- (void)printf("%s %.02f%% %02d:%02d:%02d",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- (((float)remaining / (float)full_design) * 100),
+ if (status == CS_DISCHARGING && low_threshold > 0) {
+ if (strncmp(threshold_type, "percentage", strlen(threshold_type)) == 0
+ && percentage_remaining < low_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ } else if (strncmp(threshold_type, "time", strlen(threshold_type)) == 0
+ && seconds_remaining < 60 * low_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ } else {
+ colorful_output = false;
+ }
+ }
+
+ (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02d:%02d:%02d",
max(hours, 0), max(minutes, 0), max(seconds, 0));
+
+ empty_time = time(NULL);
+ empty_time += seconds_remaining;
+ empty_tm = localtime(&empty_time);
+
+ (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));
+
+ (void)snprintf(consumptionbuf, sizeof(consumptionbuf), "%1.2fW",
+ ((float)present_rate / 1000.0 / 1000.0));
} else {
- (void)printf("%s %.02f%%",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- (((float)remaining / (float)full_design) * 100));
+ /* On some systems, present_rate may not exist. Still, make sure
+ * we colorize the output if threshold_type is set to percentage
+ * (since we don't have any information on remaining time). */
+ if (status == CS_DISCHARGING && low_threshold > 0) {
+ if (strncmp(threshold_type, "percentage", strlen(threshold_type)) == 0
+ && percentage_remaining < low_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ }
+ }
}
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#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) {
- printf("No battery");
+ OUTPUT_FULL_TEXT("No battery");
return;
}
present_rate = sysctl_rslt;
if (sysctlbyname(BATT_TIME, &sysctl_rslt, &sysctl_size, NULL, 0) != 0) {
- printf("No battery");
+ OUTPUT_FULL_TEXT("No battery");
return;
}
remaining = sysctl_rslt;
if (sysctlbyname(BATT_STATE, &sysctl_rslt, &sysctl_size, NULL,0) != 0) {
- printf("No battery");
+ OUTPUT_FULL_TEXT("No battery");
return;
}
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)printf("%s %02d%% %02dh%02d",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- present_rate,
+ (void)snprintf(remainingbuf, sizeof(remainingbuf), "%02dh%02d",
max(hours, 0), max(minutes, 0));
- } else {
- (void)printf("%s %02d%%",
- (status == CS_CHARGING ? "CHR" :
- (status == CS_DISCHARGING ? "BAT" : "FULL")),
- present_rate);
}
+#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;
+ }
+ 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:
+ status = CS_DISCHARGING;
+ break;
+ case APM_AC_ON:
+ status = CS_CHARGING;
+ break;
+ default:
+ /* If we don't know what's going on, just assume we're discharging. */
+ status = CS_DISCHARGING;
+ break;
+ }
+
+ (void)snprintf(statusbuf, sizeof(statusbuf), "%s", BATT_STATUS_NAME(status));
+ (void)snprintf(percentagebuf, sizeof(percentagebuf), "%02d%%", apm_info.battery_life);
+
+ if (status == CS_DISCHARGING && low_threshold > 0) {
+ if (strncmp(threshold_type, "percentage", strlen(threshold_type)) == 0
+ && apm_info.battery_life < low_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ } else if (strncmp(threshold_type, "time", strlen(threshold_type)) == 0
+ && apm_info.minutes_left < (u_int) low_threshold) {
+ START_COLOR("color_bad");
+ colorful_output = true;
+ }
+ }
+
+ /* Can't give a meaningful value for remaining minutes if we're charging. */
+ if (status != CS_CHARGING) {
+ (void)snprintf(remainingbuf, sizeof(remainingbuf), "%d", apm_info.minutes_left);
+ } else {
+ (void)snprintf(remainingbuf, sizeof(remainingbuf), "%s", "(CHR)");
+ }
+
+ if (colorful_output)
+ END_COLOR;
#endif
+
+#define EAT_SPACE_FROM_OUTPUT_IF_EMPTY(_buf) \
+ do { \
+ if (strlen(_buf) == 0) { \
+ if (outwalk > buffer && isspace(outwalk[-1])) \
+ outwalk--; \
+ else if (isspace(*(walk+1))) \
+ walk++; \
+ } \
+ } while (0)
+
+ 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");
+ EAT_SPACE_FROM_OUTPUT_IF_EMPTY(remainingbuf);
+ } else if (strncmp(walk+1, "emptytime", strlen("emptytime")) == 0) {
+ outwalk += sprintf(outwalk, "%s", emptytimebuf);
+ walk += strlen("emptytime");
+ EAT_SPACE_FROM_OUTPUT_IF_EMPTY(emptytimebuf);
+ } else if (strncmp(walk+1, "consumption", strlen("consumption")) == 0) {
+ outwalk += sprintf(outwalk, "%s", consumptionbuf);
+ walk += strlen("consumption");
+ EAT_SPACE_FROM_OUTPUT_IF_EMPTY(consumptionbuf);
+ }
+ }
+
+ if (colorful_output)
+ END_COLOR;
+
+ OUTPUT_FULL_TEXT(buffer);
}
projects / i3 / i3status / blobdiff