X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fprint_battery_info.c;h=1545609ea5cdd25b0757a35635d9ebfb7c67c603;hb=0eeded8bc013857a5e8a2efbc20002a22502897e;hp=eb1f6bb2fb49f5aa9fff6cd51cc0a33640acc2d0;hpb=f947d0a446b1b99020722cbc71127fc0c06086b2;p=i3%2Fi3status diff --git a/src/print_battery_info.c b/src/print_battery_info.c index eb1f6bb..1545609 100644 --- a/src/print_battery_info.c +++ b/src/print_battery_info.c @@ -1,34 +1,67 @@ // vim:ts=8:expandtab +#include +#include #include #include #include +#include +#include #include "i3status.h" -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) #include #include #endif +#if defined(__OpenBSD__) +#include +#include +#include +#include +#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; } @@ -41,81 +74,137 @@ void print_battery_info(int number, const char *format) { 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; } @@ -129,21 +218,123 @@ void print_battery_info(int number, const char *format) { 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); }