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 SYMBOL_WIFI='📶'
  11
  12 #load=$(cat /proc/loadavg | awk '{printf "%4.2f %4.2f %4.2f", $1, $2, $3}')
  13
  14 fan=$(awk '/^speed:/ {printf "%4d", $2}' /proc/acpi/ibm/fan)
  15
  16 cpu=$($BIN/khatus_cpu_usage_from_proc_since_last_check)
  17
  18 memory=$(
  19     free \
  20     | awk '
  21         function round(n) {return int(n + 0.5)}
  22
  23         $1 == "Mem:" {
  24             total=$2;
  25             used=$3;
  26             cache=$6;
  27             prev_file = "/home/siraaj/var/run/status/memory_used_percentage";
  28             curr = round(used / total * 100);
  29             getline prev < prev_file;
  30             print curr > prev_file;
  31             if (curr > prev) {
  32                 direction = ">";
  33             } else if (curr < prev) {
  34                 direction = "<";
  35             } else {
  36                 direction = "=";
  37             }
  38             printf("%s%d%%", direction, curr);
  39         }')
  40
  41 temp=$(awk 'NR == 1 {print $1 / 1000}' /sys/class/thermal/thermal_zone0/temp)
  42
  43 disk=$(
  44     df \
  45     | awk '
  46         function round(n) {return int(n + 0.5)}
  47
  48         $1 == "/dev/mapper/kubuntu--vg-root" {
  49             curr_blocks = $3;
  50             curr_perc = $5; sub("%$", "", curr_perc);
  51             prev_file_prefix = "/home/siraaj/var/run/status/disk_space_used";
  52
  53             prev_perc_file   = prev_file_prefix "_percentage";
  54             prev_blocks_file = prev_file_prefix "_blocks";
  55
  56             getline prev_blocks < prev_blocks_file;
  57             getline prev_perc   < prev_perc_file;
  58
  59             print curr_blocks > prev_blocks_file;
  60             print curr_perc > prev_perc_file;
  61             if (curr_perc > prev_perc) {
  62                 direction = ">";
  63             } else if (curr_perc < prev_perc) {
  64                 direction = "<";
  65             } else {
  66                 direction = "=";
  67             }
  68             diff_blocks = curr_blocks - prev_blocks;
  69             printf("%s[%d%% %d]", direction, curr_perc, diff_blocks);
  70         }')
  71
  72 io_net=$(
  73     awk '
  74         BEGIN {
  75             bytes_per_unit = 1024 * 1024
  76         }
  77
  78         NR > 2 {
  79             device     = $1; sub(":$", "", device);
  80             curr_read  = $2;
  81             curr_write = $10;
  82
  83             prev_file_prefix  = "/home/siraaj/var/run/status/io_net_" device;
  84             prev_read_file  = prev_file_prefix "_read";
  85             prev_write_file = prev_file_prefix "_write";
  86
  87             getline prev_read < prev_read_file;
  88             getline prev_write < prev_write_file;
  89
  90             diff_read  = (curr_read  - prev_read ) / bytes_per_unit;
  91             diff_write = (curr_write - prev_write) / bytes_per_unit;
  92
  93             print curr_read  > prev_read_file;
  94             print curr_write > prev_write_file;
  95
  96             printf("%s %0.3f▲ %0.3f▼\n", device, diff_write, diff_read);
  97         }
  98     ' /proc/net/dev
  99 )
 100
 101 energy=$(
 102     upower -e \
 103     | grep battery \
 104     | xargs upower -i \
 105     | awk '
 106         /^ +percentage: +/ {percentage=$2}
 107         /^ +state: +/      {state=$2}
 108         END {
 109             if (state == "discharging") {
 110                 direction_of_change = "<"
 111             } else if (state == "charging") {
 112                 direction_of_change = ">"
 113             } else {
 114                 direction_of_change = "="
 115             };
 116             printf("%s%s", direction_of_change, percentage)
 117         }')
 118
 119 datetime=$(date +'%a, %b %d, %H:%M:%S')
 120
 121 #volume_amixer=$(
 122 #    amixer get Master \
 123 #    | tail -1 \
 124 #    | awk '
 125 #        {
 126 #            level = $4;
 127 #            sub("^\\[", "", level);
 128 #            sub("\\]$", "", level);
 129 #            print level;
 130 #        }' \
 131 #    )
 132
 133 #volume_amixer=$(
 134 #    amixer get Master \
 135 #    | tail -n 1 \
 136 #    | awk '{print $4}' \
 137 #    | tr -d '[]'
 138 #)
 139
 140 volume_pactl=$(
 141     pactl list sinks \
 142     | awk '
 143         /^\tMute:/ {
 144             printf("%s,", $0);
 145         }
 146         /^\tVolume:/ {
 147             for (i=2; i<=NF; i++) printf(" %s", $i);
 148         }' \
 149     | awk -v RS=',' '
 150         /^[ \t]*Mute:/        {mute  = $2}
 151         /^[ \t]*front-left:/  {left  = $4}
 152         /^[ \t]*front-right:/ {right = $4}
 153         END {
 154             if (mute == "yes") {
 155                 printf("x")
 156             } else {
 157                 printf("%s %s", left, right)
 158             }
 159         }
 160         '
 161 )
 162
 163 volume="[$volume_pactl]"
 164
 165 wifi=$(cat $STATUS_FILE__WIFI)
 166
 167 screen_brightness=$(
 168     max=$(cat /sys/class/backlight/acpi_video0/max_brightness)
 169     cur=$(cat /sys/class/backlight/acpi_video0/brightness)
 170     awk -v max=$max -v cur=$cur 'BEGIN {printf("%d%%", cur/max*100)}'
 171 )
 172
 173 #bluetooth_status=$(
 174 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 175 #    | awk '
 176 #        $2 == "disabled" {printf "off"}
 177 #        $2 == "enabled"  {printf "on"}
 178 #        '
 179 #)
 180
 181 bluetooth_power=$(
 182     echo -e 'show \n quit' \
 183     | bluetoothctl \
 184     | awk '
 185         /^Controller / {
 186             controller = $2;
 187             controllers[++ctrl_count] = controller;
 188         }
 189         /^\t[A-Z][A-Za-z]+:/ {
 190             key = $1;
 191             sub(":$", "", key);
 192             val = $2;
 193             for (i=3; i<=NF; i++) {
 194                 val = val " " $i};
 195                 data[controller, key] = val;
 196         }
 197         END {
 198             # Using the 1st seen controller. Should we select specific instead?
 199             power_status = data[controllers[1], "Powered"];
 200             if (ctrl_count > 0) {
 201                 if (power_status == "no") {
 202                     power_status = "off"
 203                 } else if (power_status == "yes") {
 204                     power_status = "on"
 205                 } else {
 206                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 207                         > "/dev/stderr";
 208                     power_status = "ERROR"
 209                 }
 210             } else {
 211                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 212             }
 213             printf("%s", power_status);
 214         }'
 215 )
 216
 217 #touchpad_status=$(
 218 #    xinput list-props 12 \
 219 #    | awk '
 220 #        /^\tDevice Enabled \([0-9]+\):/ {
 221 #            status = $4;
 222 #            printf("%s", status);
 223 #        }'
 224 #)
 225
 226 #color_off='\033[0m'
 227 #color_on_bg_gray='\033[m\033[40m'
 228
 229 energy_direction=$(echo "$energy" | cut -b 1)
 230 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 231 if [[ "$energy_direction" = '<' ]]
 232 then
 233     if [[ $energy_percentage -le 5 ]]
 234     then
 235         DISPLAY=:0.0 notify-send \
 236             -u critical \
 237             "Energy CRITICALLY low: $energy" \
 238             'CHARGE NOW!!! GO GO GO!!!'
 239     elif [[ $energy_percentage -le 10 ]]
 240     then
 241         DISPLAY=:0.0 notify-send \
 242             -u critical \
 243             "Energy VERY low: $energy" \
 244             'Plug it in ASAP.'
 245     elif [[ $energy_percentage -le 15 ]]
 246     then
 247         DISPLAY=:0.0 notify-send \
 248             -u critical \
 249             "Energy low: $energy" \
 250             'Get the charger.'
 251     elif [[ $energy_percentage -le 50 ]]
 252     then
 253         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 254         then
 255             DISPLAY=:0.0 notify-send \
 256                 -u normal \
 257                 "Energy bellow half: $energy" \
 258                 'Where is the charger?'
 259             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 260         fi
 261     fi
 262 else
 263     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 264 fi
 265
 266 weather=$(awk 'NR == 1 {printf("%d°F", $1)}' ~/var/run/metar-KJFK-decoded-temp-fahrenheit)
 267
 268 signal_last_msg_age=$(
 269     ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 270     | awk -v now_seconds=$(date +%s) \
 271     '{
 272         mtime_seconds = $6;
 273         seconds = now_seconds - mtime_seconds;
 274         minutes = seconds / 60;
 275         hours   = minutes / 60;
 276         days    = hours / 24;
 277         weeks   = days / 7;
 278         months  = days / 30;
 279         #fmt = "%.1f";
 280         fmt = "%d";
 281         #printf(fmt " s\n", seconds);
 282         printf(fmt " m\n", minutes);
 283         printf(fmt " h\n", hours);
 284         printf(fmt " d\n", days);
 285         printf(fmt " w\n", weeks);
 286         printf(fmt " mo\n", months);
 287     }' \
 288     | awk '$1 >= 1' \
 289     | sort -n -k 1 \
 290     | head -1 \
 291     | tr -d ' '
 292 )
 293
 294 mpd_state=$(
 295     echo 'status' \
 296     | nc 127.0.0.1 6600 \
 297     | awk '
 298         {
 299             status[$1] = $2
 300         }
 301
 302         END {
 303             state = status["state:"]
 304             symbol = "-"
 305             if (state == "play") {
 306                 symbol = "▶"
 307             } else if (state == "pause") {
 308                 symbol = "❚❚"
 309             } else if (state == "stop") {
 310                 symbol = "⬛"
 311             }
 312             printf("%s", symbol)
 313         }
 314         '
 315 )
 316
 317 echo \
 318 "\
 319  E$energy\
 320  \
 321  \
 322  M$memory\
 323  \
 324  \
 325  C=[$cpu  ${temp}°C ${fan}rpm]\
 326  \
 327  \
 328  D$disk\
 329  \
 330  \
 331  $SYMBOL_WIFI [$wifi $(echo "$io_net" | awk '/^wlp3s0/ {print $2, $3}')]\
 332  \
 333  \
 334  B:$bluetooth_power\
 335  \
 336  \
 337  S=$screen_brightness\
 338  \
 339  \
 340  V=$volume\
 341  \
 342  $mpd_state\
 343  \
 344  $signal_last_msg_age\
 345  \
 346  $weather\
 347  \
 348  $datetime \
 349 "