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_blocks = $3;
  48             curr_perc = $5; sub("%$", "", curr_perc);
  49             prev_file_prefix = "/home/siraaj/var/run/status/disk_space_used";
  50
  51             prev_perc_file   = prev_file_prefix "_percentage";
  52             prev_blocks_file = prev_file_prefix "_blocks";
  53
  54             getline prev_blocks < prev_blocks_file;
  55             getline prev_perc   < prev_perc_file;
  56
  57             print curr_blocks > prev_blocks_file;
  58             print curr_perc > prev_perc_file;
  59             if (curr_perc > prev_perc) {
  60                 direction = ">";
  61             } else if (curr_perc < prev_perc) {
  62                 direction = "<";
  63             } else {
  64                 direction = "=";
  65             }
  66             diff_blocks = curr_blocks - prev_blocks;
  67             printf("%s[%d%% %d]", direction, curr_perc, diff_blocks);
  68         }')
  69
  70 io_net=$(
  71     awk '
  72         BEGIN {
  73             bytes_per_unit = 1024 * 1024
  74         }
  75
  76         NR > 2 {
  77             device     = $1; sub(":$", "", device);
  78             curr_read  = $2;
  79             curr_write = $10;
  80
  81             prev_file_prefix  = "/home/siraaj/var/run/status/io_net_" device;
  82             prev_read_file  = prev_file_prefix "_read";
  83             prev_write_file = prev_file_prefix "_write";
  84
  85             getline prev_read < prev_read_file;
  86             getline prev_write < prev_write_file;
  87
  88             diff_read  = (curr_read  - prev_read ) / bytes_per_unit;
  89             diff_write = (curr_write - prev_write) / bytes_per_unit;
  90
  91             print curr_read  > prev_read_file;
  92             print curr_write > prev_write_file;
  93
  94             printf("%s %0.3f▲ %0.3f▼\n", device, diff_write, diff_read);
  95         }
  96     ' /proc/net/dev
  97 )
  98
  99 energy=$(
 100     upower -e \
 101     | grep battery \
 102     | xargs upower -i \
 103     | awk '
 104         /^ +percentage: +/ {percentage=$2}
 105         /^ +state: +/      {state=$2}
 106         END {
 107             if (state == "discharging") {
 108                 direction_of_change = "<"
 109             } else if (state == "charging") {
 110                 direction_of_change = ">"
 111             } else {
 112                 direction_of_change = "="
 113             };
 114             printf("%s%s", direction_of_change, percentage)
 115         }')
 116
 117 datetime=$(date +'%a, %b %d, %H:%M:%S')
 118
 119 #volume_amixer=$(
 120 #    amixer get Master \
 121 #    | tail -1 \
 122 #    | awk '
 123 #        {
 124 #            level = $4;
 125 #            sub("^\\[", "", level);
 126 #            sub("\\]$", "", level);
 127 #            print level;
 128 #        }' \
 129 #    )
 130
 131 #volume_amixer=$(
 132 #    amixer get Master \
 133 #    | tail -n 1 \
 134 #    | awk '{print $4}' \
 135 #    | tr -d '[]'
 136 #)
 137
 138 volume_pactl=$(
 139     pactl list sinks \
 140     | awk '
 141         /^\tMute:/ {
 142             printf("%s,", $0);
 143         }
 144         /^\tVolume:/ {
 145             for (i=2; i<=NF; i++) printf(" %s", $i);
 146         }' \
 147     | awk -v RS=',' '
 148         /^[ \t]*Mute:/        {mute  = $2}
 149         /^[ \t]*front-left:/  {left  = $4}
 150         /^[ \t]*front-right:/ {right = $4}
 151         END {
 152             if (mute == "yes") {
 153                 printf("x")
 154             } else {
 155                 printf("%s %s", left, right)
 156             }
 157         }
 158         '
 159 )
 160
 161 volume="[$volume_pactl]"
 162
 163 wifi=$(cat $STATUS_FILE__WIFI)
 164
 165 screen_brightness=$(
 166     max=$(cat /sys/class/backlight/acpi_video0/max_brightness)
 167     cur=$(cat /sys/class/backlight/acpi_video0/brightness)
 168     awk -v max=$max -v cur=$cur 'BEGIN {printf("%d%%", cur/max*100)}'
 169 )
 170
 171 #bluetooth_status=$(
 172 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 173 #    | awk '
 174 #        $2 == "disabled" {printf "off"}
 175 #        $2 == "enabled"  {printf "on"}
 176 #        '
 177 #)
 178
 179 bluetooth_power=$(
 180     echo -e 'show \n quit' \
 181     | bluetoothctl \
 182     | awk '
 183         /^Controller / {
 184             controller = $2;
 185             controllers[++ctrl_count] = controller;
 186         }
 187         /^\t[A-Z][A-Za-z]+:/ {
 188             key = $1;
 189             sub(":$", "", key);
 190             val = $2;
 191             for (i=3; i<=NF; i++) {
 192                 val = val " " $i};
 193                 data[controller, key] = val;
 194         }
 195         END {
 196             # Using the 1st seen controller. Should we select specific instead?
 197             power_status = data[controllers[1], "Powered"];
 198             if (ctrl_count > 0) {
 199                 if (power_status == "no") {
 200                     power_status = "off"
 201                 } else if (power_status == "yes") {
 202                     power_status = "on"
 203                 } else {
 204                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 205                         > "/dev/stderr";
 206                     power_status = "ERROR"
 207                 }
 208             } else {
 209                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 210             }
 211             printf("%s", power_status);
 212         }'
 213 )
 214
 215 #touchpad_status=$(
 216 #    xinput list-props 12 \
 217 #    | awk '
 218 #        /^\tDevice Enabled \([0-9]+\):/ {
 219 #            status = $4;
 220 #            printf("%s", status);
 221 #        }'
 222 #)
 223
 224 #color_off='\033[0m'
 225 #color_on_bg_gray='\033[m\033[40m'
 226
 227 energy_direction=$(echo "$energy" | cut -b 1)
 228 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 229 if [[ "$energy_direction" = '<' ]]
 230 then
 231     if [[ $energy_percentage -le 5 ]]
 232     then
 233         DISPLAY=:0.0 notify-send \
 234             -u critical \
 235             "Energy CRITICALLY low: $energy" \
 236             'CHARGE NOW!!! GO GO GO!!!'
 237     elif [[ $energy_percentage -le 10 ]]
 238     then
 239         DISPLAY=:0.0 notify-send \
 240             -u critical \
 241             "Energy VERY low: $energy" \
 242             'Plug it in ASAP.'
 243     elif [[ $energy_percentage -le 15 ]]
 244     then
 245         DISPLAY=:0.0 notify-send \
 246             -u critical \
 247             "Energy low: $energy" \
 248             'Get the charger.'
 249     elif [[ $energy_percentage -le 50 ]]
 250     then
 251         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 252         then
 253             DISPLAY=:0.0 notify-send \
 254                 -u normal \
 255                 "Energy bellow half: $energy" \
 256                 'Where is the charger?'
 257             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 258         fi
 259     fi
 260 else
 261     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 262 fi
 263
 264 weather=$(awk 'NR == 1 {printf("%d°F", $1)}' ~/var/run/metar-KJFK-decoded-temp-fahrenheit)
 265
 266 signal_last_msg_age=$(
 267     ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 268     | awk -v now_seconds=$(date +%s) \
 269     '{
 270         mtime_seconds = $6;
 271         seconds = now_seconds - mtime_seconds;
 272         minutes = seconds / 60;
 273         hours   = minutes / 60;
 274         days    = hours / 24;
 275         weeks   = days / 7;
 276         months  = days / 30;
 277         #fmt = "%.1f";
 278         fmt = "%d";
 279         #printf(fmt " s\n", seconds);
 280         printf(fmt " m\n", minutes);
 281         printf(fmt " h\n", hours);
 282         printf(fmt " d\n", days);
 283         printf(fmt " w\n", weeks);
 284         printf(fmt " mo\n", months);
 285     }' \
 286     | awk '$1 >= 1' \
 287     | sort -n -k 1 \
 288     | head -1 \
 289     | tr -d ' '
 290 )
 291
 292 mpd_state=$(
 293     echo 'status' \
 294     | nc 127.0.0.1 6600 \
 295     | awk '
 296         {
 297             status[$1] = $2
 298         }
 299
 300         END {
 301             state = status["state:"]
 302             symbol = "-"
 303             if (state == "play") {
 304                 symbol = "▶"
 305             } else if (state == "pause") {
 306                 symbol = "❚❚"
 307             } else if (state == "stop") {
 308                 symbol = "⬛"
 309             }
 310             printf("%s", symbol)
 311         }
 312         '
 313 )
 314
 315 echo \
 316 "\
 317  E$energy\
 318  \
 319  \
 320  M$memory\
 321  \
 322  \
 323  D$disk\
 324  \
 325  \
 326  C=[$cpu  ${temp}°C ${fan}rpm]\
 327  \
 328  \
 329  S=$screen_brightness\
 330  \
 331  \
 332  V=$volume\
 333  \
 334  \
 335  B:$bluetooth_power\
 336  \
 337  \
 338  W:[$wifi $(echo "$io_net" | awk '/^wlp3s0/ {print $2, $3}')]\
 339  \
 340  \
 341  $mpd_state\
 342  \
 343  $signal_last_msg_age\
 344  \
 345  $weather\
 346  \
 347  $datetime \
 348 "