bin/khatus_show

   1 #! /bin/bash
   2
   3 set -e
   4
   5 BIN=$HOME/bin
   6 STATUS_DIR=$HOME/var/run/status
   7 STATUS_FILE__WIFI=$STATUS_DIR/wifi
   8 STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF=$STATUS_DIR/notified_energy_bellow_half
   9
  10 #load=$(cat /proc/loadavg | awk '{printf "%4.2f %4.2f %4.2f", $1, $2, $3}')
  11
  12 fan=$(awk '/^speed:/ {printf "%4d", $2}' /proc/acpi/ibm/fan)
  13
  14 cpu=$($BIN/khatus_cpu_usage_from_proc_since_last_check)
  15
  16 memory=$(
  17     free \
  18     | awk '
  19         function round(n) {return int(n + 0.5)}
  20
  21         $1 == "Mem:" {
  22             total=$2;
  23             used=$3;
  24             cache=$6;
  25             file = "/home/siraaj/var/run/status/memory_used_percentage";
  26             curr = round(used / total * 100);
  27             getline prev < file;
  28             print curr > file;
  29             if (curr > prev) {
  30                 direction = ">";
  31             } else if (curr < prev) {
  32                 direction = "<";
  33             } else {
  34                 direction = "=";
  35             }
  36             printf("%s%d%%", direction, curr);
  37         }')
  38
  39 temp=$(awk 'NR == 1 {print $1 / 1000}' /sys/class/thermal/thermal_zone0/temp)
  40
  41 disk=$(
  42     df \
  43     | awk '
  44         function round(n) {return int(n + 0.5)}
  45
  46         $1 == "/dev/mapper/kubuntu--vg-root" {
  47             total = $2;
  48             used  = $3;
  49             file = "/home/siraaj/var/run/status/disk_space_used_percentage";
  50             curr = round(used / total * 100);
  51             getline prev < file;
  52             print curr > file;
  53             if (curr > prev) {
  54                 direction = ">";
  55             } else if (curr < prev) {
  56                 direction = "<";
  57             } else {
  58                 direction = "=";
  59             }
  60             printf("%s%d%%", direction, curr);
  61         }')
  62
  63 energy=$(
  64     upower -e \
  65     | grep battery \
  66     | xargs upower -i \
  67     | awk '
  68         /^ +percentage: +/ {percentage=$2}
  69         /^ +state: +/      {state=$2}
  70         END {
  71             if (state == "discharging") {
  72                 direction_of_change = "<"
  73             } else if (state == "charging") {
  74                 direction_of_change = ">"
  75             } else {
  76                 direction_of_change = "="
  77             };
  78             printf("%s%s", direction_of_change, percentage)
  79         }')
  80
  81 datetime=$(date +'%a, %b %d, %H:%M:%S')
  82
  83 #volume_amixer=$(
  84 #    amixer get Master \
  85 #    | tail -1 \
  86 #    | awk '
  87 #        {
  88 #            level = $4;
  89 #            sub("^\\[", "", level);
  90 #            sub("\\]$", "", level);
  91 #            print level;
  92 #        }' \
  93 #    )
  94
  95 #volume_amixer=$(
  96 #    amixer get Master \
  97 #    | tail -n 1 \
  98 #    | awk '{print $4}' \
  99 #    | tr -d '[]'
 100 #)
 101
 102 volume_pactl=$(
 103     pactl list sinks \
 104     | awk '
 105         /^\tMute:/ {
 106             printf("%s,", $0);
 107         }
 108         /^\tVolume:/ {
 109             for (i=2; i<=NF; i++) printf(" %s", $i);
 110         }' \
 111     | awk -v RS=',' '
 112         /^[ \t]*Mute:/        {mute  = $2}
 113         /^[ \t]*front-left:/  {left  = $4}
 114         /^[ \t]*front-right:/ {right = $4}
 115         END {
 116             if (mute == "yes") {
 117                 printf("x")
 118             } else {
 119                 printf("%s %s", left, right)
 120             }
 121         }
 122         '
 123 )
 124
 125 volume="[$volume_pactl]"
 126
 127 wifi=$(cat $STATUS_FILE__WIFI)
 128
 129 screen_brightness=$(
 130     max=$(cat /sys/class/backlight/acpi_video0/max_brightness)
 131     cur=$(cat /sys/class/backlight/acpi_video0/brightness)
 132     awk -v max=$max -v cur=$cur 'BEGIN {printf("%d%%", cur/max*100)}'
 133 )
 134
 135 #bluetooth_status=$(
 136 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 137 #    | awk '
 138 #        $2 == "disabled" {printf "off"}
 139 #        $2 == "enabled"  {printf "on"}
 140 #        '
 141 #)
 142
 143 bluetooth_power=$(
 144     echo -e 'show \n quit' \
 145     | bluetoothctl \
 146     | awk '
 147         /^Controller / {
 148             controller = $2;
 149             controllers[++ctrl_count] = controller;
 150         }
 151         /^\t[A-Z][A-Za-z]+:/ {
 152             key = $1;
 153             sub(":$", "", key);
 154             val = $2;
 155             for (i=3; i<=NF; i++) {
 156                 val = val " " $i};
 157                 data[controller, key] = val;
 158         }
 159         END {
 160             # Using the 1st seen controller. Should we select specific instead?
 161             power_status = data[controllers[1], "Powered"];
 162             if (ctrl_count > 0) {
 163                 if (power_status == "no") {
 164                     power_status = "off"
 165                 } else if (power_status == "yes") {
 166                     power_status = "on"
 167                 } else {
 168                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 169                         > "/dev/stderr";
 170                     power_status = "ERROR"
 171                 }
 172             } else {
 173                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 174             }
 175             printf("%s", power_status);
 176         }'
 177 )
 178
 179 #touchpad_status=$(
 180 #    xinput list-props 12 \
 181 #    | awk '
 182 #        /^\tDevice Enabled \([0-9]+\):/ {
 183 #            status = $4;
 184 #            printf("%s", status);
 185 #        }'
 186 #)
 187
 188 #color_off='\033[0m'
 189 #color_on_bg_gray='\033[m\033[40m'
 190
 191 energy_direction=$(echo "$energy" | cut -b 1)
 192 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 193 if [[ "$energy_direction" = '<' ]]
 194 then
 195     if [[ $energy_percentage -le 5 ]]
 196     then
 197         DISPLAY=:0.0 notify-send \
 198             -u critical \
 199             "Energy CRITICALLY low: $energy" \
 200             'CHARGE NOW!!! GO GO GO!!!'
 201     elif [[ $energy_percentage -le 10 ]]
 202     then
 203         DISPLAY=:0.0 notify-send \
 204             -u critical \
 205             "Energy VERY low: $energy" \
 206             'Plug it in ASAP.'
 207     elif [[ $energy_percentage -le 15 ]]
 208     then
 209         DISPLAY=:0.0 notify-send \
 210             -u critical \
 211             "Energy low: $energy" \
 212             'Get the charger.'
 213     elif [[ $energy_percentage -le 50 ]]
 214     then
 215         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 216         then
 217             DISPLAY=:0.0 notify-send \
 218                 -u normal \
 219                 "Energy bellow half: $energy" \
 220                 'Where is the charger?'
 221             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 222         fi
 223     fi
 224 else
 225     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 226 fi
 227
 228 weather="$(cat ~/var/run/metar-KJFK-decoded-temp-fahrenheit)°F"
 229
 230 signal_last_msg_age=$(
 231     ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 232     | awk -v now_seconds=$(date +%s) \
 233     '{
 234         mtime_seconds = $6;
 235         seconds = now_seconds - mtime_seconds;
 236         minutes = seconds / 60;
 237         hours   = minutes / 60;
 238         days    = hours / 24;
 239         weeks   = days / 7;
 240         months  = days / 30;
 241         #fmt = "%.1f";
 242         fmt = "%d";
 243         #printf(fmt " s\n", seconds);
 244         printf(fmt " m\n", minutes);
 245         printf(fmt " h\n", hours);
 246         printf(fmt " d\n", days);
 247         printf(fmt " w\n", weeks);
 248         printf(fmt " mo\n", months);
 249     }' \
 250     | awk '$1 >= 1' \
 251     | sort -n -k 1 \
 252     | head -1 \
 253     | tr -d ' '
 254 )
 255
 256 echo \
 257 "\
 258  E$energy\
 259  M$memory\
 260  D$disk\
 261  C=[$cpu  ${temp}°C ${fan}rpm]\
 262  |\
 263  S=$screen_brightness\
 264  V=$volume\
 265  B:$bluetooth_power\
 266  W:$wifi\
 267  |\
 268  $weather\
 269  \
 270  $datetime \
 271 "