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=$6;
  25             prev_file = "/home/siraaj/var/run/status/memory_used_percentage";
  26             curr = round(used / total * 100);
  27             getline prev < prev_file;
  28             print curr > prev_file;
  29             if (curr > prev) {
  30                 direction = ">";
  31             } else if (curr < prev) {
  32                 direction = "<";
  33             } else {
  34                 direction = "=";
  35             }
  36             printf("%s%d%%", direction, curr);
  37         }')
  38
  39 temp=$(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             curr = $5;
  48             sub("%$", "", curr);
  49             prev_file = "/home/siraaj/var/run/status/disk_space_used_percentage";
  50             getline prev < prev_file;
  51             print curr > prev_file;
  52             if (curr > prev) {
  53                 direction = ">";
  54             } else if (curr < prev) {
  55                 direction = "<";
  56             } else {
  57                 direction = "=";
  58             }
  59             printf("%s%d%%", direction, curr);
  60         }')
  61
  62 energy=$(
  63     upower -e \
  64     | grep battery \
  65     | xargs upower -i \
  66     | awk '
  67         /^ +percentage: +/ {percentage=$2}
  68         /^ +state: +/      {state=$2}
  69         END {
  70             if (state == "discharging") {
  71                 direction_of_change = "<"
  72             } else if (state == "charging") {
  73                 direction_of_change = ">"
  74             } else {
  75                 direction_of_change = "="
  76             };
  77             printf("%s%s", direction_of_change, percentage)
  78         }')
  79
  80 datetime=$(date +'%a, %b %d, %H:%M:%S')
  81
  82 #volume_amixer=$(
  83 #    amixer get Master \
  84 #    | tail -1 \
  85 #    | awk '
  86 #        {
  87 #            level = $4;
  88 #            sub("^\\[", "", level);
  89 #            sub("\\]$", "", level);
  90 #            print level;
  91 #        }' \
  92 #    )
  93
  94 #volume_amixer=$(
  95 #    amixer get Master \
  96 #    | tail -n 1 \
  97 #    | awk '{print $4}' \
  98 #    | tr -d '[]'
  99 #)
 100
 101 volume_pactl=$(
 102     pactl list sinks \
 103     | awk '
 104         /^\tMute:/ {
 105             printf("%s,", $0);
 106         }
 107         /^\tVolume:/ {
 108             for (i=2; i<=NF; i++) printf(" %s", $i);
 109         }' \
 110     | awk -v RS=',' '
 111         /^[ \t]*Mute:/        {mute  = $2}
 112         /^[ \t]*front-left:/  {left  = $4}
 113         /^[ \t]*front-right:/ {right = $4}
 114         END {
 115             if (mute == "yes") {
 116                 printf("x")
 117             } else {
 118                 printf("%s %s", left, right)
 119             }
 120         }
 121         '
 122 )
 123
 124 volume="[$volume_pactl]"
 125
 126 wifi=$(cat $STATUS_FILE__WIFI)
 127
 128 screen_brightness=$(
 129     max=$(cat /sys/class/backlight/acpi_video0/max_brightness)
 130     cur=$(cat /sys/class/backlight/acpi_video0/brightness)
 131     awk -v max=$max -v cur=$cur 'BEGIN {printf("%d%%", cur/max*100)}'
 132 )
 133
 134 #bluetooth_status=$(
 135 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 136 #    | awk '
 137 #        $2 == "disabled" {printf "off"}
 138 #        $2 == "enabled"  {printf "on"}
 139 #        '
 140 #)
 141
 142 bluetooth_power=$(
 143     echo -e 'show \n quit' \
 144     | bluetoothctl \
 145     | awk '
 146         /^Controller / {
 147             controller = $2;
 148             controllers[++ctrl_count] = controller;
 149         }
 150         /^\t[A-Z][A-Za-z]+:/ {
 151             key = $1;
 152             sub(":$", "", key);
 153             val = $2;
 154             for (i=3; i<=NF; i++) {
 155                 val = val " " $i};
 156                 data[controller, key] = val;
 157         }
 158         END {
 159             # Using the 1st seen controller. Should we select specific instead?
 160             power_status = data[controllers[1], "Powered"];
 161             if (ctrl_count > 0) {
 162                 if (power_status == "no") {
 163                     power_status = "off"
 164                 } else if (power_status == "yes") {
 165                     power_status = "on"
 166                 } else {
 167                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 168                         > "/dev/stderr";
 169                     power_status = "ERROR"
 170                 }
 171             } else {
 172                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 173             }
 174             printf("%s", power_status);
 175         }'
 176 )
 177
 178 #touchpad_status=$(
 179 #    xinput list-props 12 \
 180 #    | awk '
 181 #        /^\tDevice Enabled \([0-9]+\):/ {
 182 #            status = $4;
 183 #            printf("%s", status);
 184 #        }'
 185 #)
 186
 187 #color_off='\033[0m'
 188 #color_on_bg_gray='\033[m\033[40m'
 189
 190 energy_direction=$(echo "$energy" | cut -b 1)
 191 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 192 if [[ "$energy_direction" = '<' ]]
 193 then
 194     if [[ $energy_percentage -le 5 ]]
 195     then
 196         DISPLAY=:0.0 notify-send \
 197             -u critical \
 198             "Energy CRITICALLY low: $energy" \
 199             'CHARGE NOW!!! GO GO GO!!!'
 200     elif [[ $energy_percentage -le 10 ]]
 201     then
 202         DISPLAY=:0.0 notify-send \
 203             -u critical \
 204             "Energy VERY low: $energy" \
 205             'Plug it in ASAP.'
 206     elif [[ $energy_percentage -le 15 ]]
 207     then
 208         DISPLAY=:0.0 notify-send \
 209             -u critical \
 210             "Energy low: $energy" \
 211             'Get the charger.'
 212     elif [[ $energy_percentage -le 50 ]]
 213     then
 214         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 215         then
 216             DISPLAY=:0.0 notify-send \
 217                 -u normal \
 218                 "Energy bellow half: $energy" \
 219                 'Where is the charger?'
 220             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 221         fi
 222     fi
 223 else
 224     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 225 fi
 226
 227 weather="$(cat ~/var/run/metar-KJFK-decoded-temp-fahrenheit)°F"
 228
 229 signal_last_msg_age=$(
 230     ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 231     | awk -v now_seconds=$(date +%s) \
 232     '{
 233         mtime_seconds = $6;
 234         seconds = now_seconds - mtime_seconds;
 235         minutes = seconds / 60;
 236         hours   = minutes / 60;
 237         days    = hours / 24;
 238         weeks   = days / 7;
 239         months  = days / 30;
 240         #fmt = "%.1f";
 241         fmt = "%d";
 242         #printf(fmt " s\n", seconds);
 243         printf(fmt " m\n", minutes);
 244         printf(fmt " h\n", hours);
 245         printf(fmt " d\n", days);
 246         printf(fmt " w\n", weeks);
 247         printf(fmt " mo\n", months);
 248     }' \
 249     | awk '$1 >= 1' \
 250     | sort -n -k 1 \
 251     | head -1 \
 252     | tr -d ' '
 253 )
 254
 255 echo \
 256 "\
 257  E$energy\
 258  \
 259  \
 260  M$memory\
 261  \
 262  \
 263  D$disk\
 264  \
 265  \
 266  C=[$cpu  ${temp}°C ${fan}rpm]\
 267  \
 268  \
 269  S=$screen_brightness\
 270  \
 271  \
 272  V=$volume\
 273  \
 274  \
 275  B:$bluetooth_power\
 276  \
 277  \
 278  W:$wifi\
 279  \
 280  \
 281  $signal_last_msg_age\
 282  \
 283  $weather\
 284  \
 285  $datetime \
 286 "