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Merge pull request #144 from tommie/incremental_multibatt

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Refactor color code and computation of seconds_remaining in print_battery_info
This commit is contained in:
Michael Stapelberg 2016-08-04 00:21:37 +02:00 committed by GitHub
commit 2d16f144f5
1 changed files with 25 additions and 82 deletions
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107
src/print_battery_info.c
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@ -28,6 +28,20 @@
#include <sys/envsys.h>
#endif
/*
* Estimate the number of seconds remaining in state 'status'.
*
* Assumes a constant (dis)charge rate.
*/
static int seconds_remaining_from_rate(charging_status_t status, float full_design, float remaining, float present_rate) {
if (status == CS_CHARGING)
return 3600.0 * (full_design - remaining) / present_rate;
else if (status == CS_DISCHARGING)
return 3600.0 * remaining / present_rate;
else
return 0;
}
/*
* 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
@ -39,7 +53,6 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
const char *walk, *last;
char *outwalk = buffer;
bool watt_as_unit = false;
bool colorful_output = false;
int full_design = -1,
remaining = -1,
present_rate = -1,
@ -136,37 +149,7 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
}
if (present_rate > 0 && status != CS_FULL) {
float remaining_time;
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_remaining = (int)(remaining_time * 3600.0);
if (status == CS_DISCHARGING && low_threshold > 0) {
if (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
} else if (strcasecmp(threshold_type, "time") == 0 && seconds_remaining < 60 * low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
} else {
colorful_output = false;
}
}
} else {
/* 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 (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
}
seconds_remaining = seconds_remaining_from_rate(status, full_design, remaining, present_rate);
}
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
int state;
@ -201,16 +184,6 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
status = CS_DISCHARGING;
full_design = sysctl_rslt;
if (state == ACPI_BATT_STAT_DISCHARG) {
if (strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
} else if (strcasecmp(threshold_type, "time") == 0 && 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
@ -253,23 +226,10 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
integer_battery_capacity = true;
percentage_remaining = apm_info.battery_life;
if (status == CS_DISCHARGING && low_threshold > 0) {
if (strcasecmp(threshold_type, "percentage") == 0 && apm_info.battery_life < low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
} else if (strcasecmp(threshold_type, "time") == 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) {
seconds_remaining = apm_info.minutes_left * 60;
}
if (colorful_output)
END_COLOR;
#elif defined(__NetBSD__)
/*
* Using envsys(4) via sysmon(4).
@ -436,17 +396,6 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
percentage_remaining =
(((float)remaining / (float)full_design) * 100);
/*
* Handle percentage low_threshold here, and time low_threshold when
* we have it.
*/
if (status == CS_DISCHARGING && low_threshold > 0) {
if (strcasecmp(threshold_type, "percentage") == 0 && (((float)remaining / (float)full_design) * 100) < low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
}
if (is_full)
status = CS_FULL;
@ -454,26 +403,20 @@ void print_battery_info(yajl_gen json_gen, char *buffer, int number, const char
* The envsys(4) ACPI routines do not appear to provide a 'time
* remaining' figure, so we must deduce it.
*/
float remaining_time;
seconds_remaining = seconds_remaining_from_rate(status, full_design, remaining, present_rate);
#endif
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;
bool colorful_output = false;
seconds_remaining = (int)(remaining_time * 3600.0);
if (status != CS_CHARGING) {
if (low_threshold > 0) {
if (strcasecmp(threshold_type, "time") == 0 && ((float)seconds_remaining / 60.0) < (u_int)low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
if (status == CS_DISCHARGING && low_threshold > 0) {
if (percentage_remaining >= 0 && strcasecmp(threshold_type, "percentage") == 0 && percentage_remaining < low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
} else if (seconds_remaining >= 0 && strcasecmp(threshold_type, "time") == 0 && seconds_remaining < 60 * low_threshold) {
START_COLOR("color_bad");
colorful_output = true;
}
}
#endif
#define EAT_SPACE_FROM_OUTPUT_IF_NO_OUTPUT() \
do { \