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=$(awk '{printf("%4.2f", $1)}' /proc/loadavg)
  11
  12 fan=$(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 $1 / 1000}' /sys/class/thermal/thermal_zone0/temp)
  40
  41 disk_io=$(
  42     awk '
  43         {
  44             bytes_per_sector = 512
  45             bytes_per_unit   = 1024 * 1024
  46
  47             curr_sectors_read  = $3
  48             curr_sectors_write = $7
  49
  50             prev_file_prefix        = "/home/siraaj/var/run/status/disk_io"
  51             prev_sectors_read_file  = prev_file_prefix "_sectors_read"
  52             prev_sectors_write_file = prev_file_prefix "_sectors_write"
  53
  54             getline prev_sectors_read  < prev_sectors_read_file
  55             getline prev_sectors_write < prev_sectors_write_file
  56
  57             diff_read_sectors  = (curr_sectors_read  - prev_sectors_read)
  58             diff_write_sectors = (curr_sectors_write - prev_sectors_write)
  59
  60             diff_read_bytes  = diff_read_sectors  * bytes_per_sector
  61             diff_write_bytes = diff_write_sectors * bytes_per_sector
  62
  63             diff_read  = diff_read_bytes  / bytes_per_unit
  64             diff_write = diff_write_bytes / bytes_per_unit
  65
  66             print curr_sectors_read  > prev_sectors_read_file
  67             print curr_sectors_write > prev_sectors_write_file
  68
  69             printf("%0.3f▲ %0.3f▼\n", diff_write, diff_read);
  70
  71         }
  72         ' /sys/block/dm-1/stat
  73 )
  74
  75 disk=$(
  76     df \
  77     | awk -v disk_io="$disk_io" '
  78         function round(n) {return int(n + 0.5)}
  79
  80         $1 == "/dev/mapper/kubuntu--vg-root" {
  81             curr_perc = $5; sub("%$", "", curr_perc);
  82             prev_perc_file = "/home/siraaj/var/run/status/disk_space_used";
  83             getline prev_perc   < prev_perc_file;
  84             print curr_perc > prev_perc_file;
  85             if (curr_perc > prev_perc) {
  86                 direction = ">";
  87             } else if (curr_perc < prev_perc) {
  88                 direction = "<";
  89             } else {
  90                 direction = "=";
  91             }
  92             printf("%s[%d%% %s]", direction, curr_perc, disk_io);
  93         }')
  94
  95 network=$(
  96     awk -v wifi_conn=$(cat $STATUS_FILE__WIFI) '
  97         BEGIN {
  98             bytes_per_unit = 1024 * 1024
  99         }
 100
 101         NR > 2 {
 102             device     = $1; sub(":$", "", device);
 103             curr_read  = $2;
 104             curr_write = $10;
 105
 106             prev_file_prefix  = "/home/siraaj/var/run/status/io_net_" device;
 107             prev_read_file  = prev_file_prefix "_read";
 108             prev_write_file = prev_file_prefix "_write";
 109
 110             getline prev_read < prev_read_file;
 111             getline prev_write < prev_write_file;
 112
 113             diff_read  = (curr_read  - prev_read ) / bytes_per_unit;
 114             diff_write = (curr_write - prev_write) / bytes_per_unit;
 115
 116             print curr_read  > prev_read_file;
 117             print curr_write > prev_write_file;
 118
 119             devices[device] = sprintf("%0.3f▲ %0.3f▼", diff_write, diff_read);
 120         }
 121
 122         END {
 123             lo   = devices["lo"]
 124             #eth = devices["enp0s25"]
 125             wifi = devices["wlp3s0"]
 126             printf("[%s | %s %s]", lo, wifi_conn, wifi)
 127         }
 128     ' /proc/net/dev
 129 )
 130
 131 energy=$(
 132     upower -e \
 133     | grep battery \
 134     | xargs upower -i \
 135     | awk '
 136         /^ +percentage: +/ {percentage=$2}
 137         /^ +state: +/      {state=$2}
 138         END {
 139             if (state == "discharging") {
 140                 direction_of_change = "<"
 141             } else if (state == "charging") {
 142                 direction_of_change = ">"
 143             } else {
 144                 direction_of_change = "="
 145             };
 146             printf("%s%s", direction_of_change, percentage)
 147         }')
 148
 149 datetime=$(date +'%a, %b %d, %H:%M:%S')
 150
 151 #volume_amixer=$(
 152 #    amixer get Master \
 153 #    | tail -1 \
 154 #    | awk '
 155 #        {
 156 #            level = $4;
 157 #            sub("^\\[", "", level);
 158 #            sub("\\]$", "", level);
 159 #            print level;
 160 #        }' \
 161 #    )
 162
 163 #volume_amixer=$(
 164 #    amixer get Master \
 165 #    | tail -n 1 \
 166 #    | awk '{print $4}' \
 167 #    | tr -d '[]'
 168 #)
 169
 170 volume_pactl=$(
 171     pactl list sinks \
 172     | awk '
 173         /^\tMute:/ {
 174             printf("%s,", $0);
 175         }
 176         /^\tVolume:/ {
 177             for (i=2; i<=NF; i++) printf(" %s", $i);
 178         }' \
 179     | awk -v RS=',' '
 180         /^[ \t]*Mute:/        {mute  = $2}
 181         /^[ \t]*front-left:/  {left  = $4}
 182         /^[ \t]*front-right:/ {right = $4}
 183         END {
 184             if (mute == "yes") {
 185                 printf("x")
 186             } else {
 187                 printf("%s %s", left, right)
 188             }
 189         }
 190         '
 191 )
 192
 193 volume="[$volume_pactl]"
 194
 195 screen_brightness=$(
 196     max=$(cat /sys/class/backlight/acpi_video0/max_brightness)
 197     cur=$(cat /sys/class/backlight/acpi_video0/brightness)
 198     awk -v max=$max -v cur=$cur 'BEGIN {printf("%d%%", cur/max*100)}'
 199 )
 200
 201 #bluetooth_status=$(
 202 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 203 #    | awk '
 204 #        $2 == "disabled" {printf "off"}
 205 #        $2 == "enabled"  {printf "on"}
 206 #        '
 207 #)
 208
 209 bluetooth_power=$(
 210     echo -e 'show \n quit' \
 211     | bluetoothctl \
 212     | awk '
 213         /^Controller / {
 214             controller = $2;
 215             controllers[++ctrl_count] = controller;
 216         }
 217         /^\t[A-Z][A-Za-z]+:/ {
 218             key = $1;
 219             sub(":$", "", key);
 220             val = $2;
 221             for (i=3; i<=NF; i++) {
 222                 val = val " " $i};
 223                 data[controller, key] = val;
 224         }
 225         END {
 226             # Using the 1st seen controller. Should we select specific instead?
 227             power_status = data[controllers[1], "Powered"];
 228             if (ctrl_count > 0) {
 229                 if (power_status == "no") {
 230                     power_status = "off"
 231                 } else if (power_status == "yes") {
 232                     power_status = "on"
 233                 } else {
 234                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 235                         > "/dev/stderr";
 236                     power_status = "ERROR"
 237                 }
 238             } else {
 239                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 240             }
 241             printf("%s", power_status);
 242         }'
 243 )
 244
 245 #touchpad_status=$(
 246 #    xinput list-props 12 \
 247 #    | awk '
 248 #        /^\tDevice Enabled \([0-9]+\):/ {
 249 #            status = $4;
 250 #            printf("%s", status);
 251 #        }'
 252 #)
 253
 254 #color_off='\033[0m'
 255 #color_on_bg_gray='\033[m\033[40m'
 256
 257 energy_direction=$(echo "$energy" | cut -b 1)
 258 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 259 if [[ "$energy_direction" = '<' ]]
 260 then
 261     if [[ $energy_percentage -le 5 ]]
 262     then
 263         DISPLAY=:0.0 notify-send \
 264             -u critical \
 265             "Energy CRITICALLY low: $energy" \
 266             'CHARGE NOW!!! GO GO GO!!!'
 267     elif [[ $energy_percentage -le 10 ]]
 268     then
 269         DISPLAY=:0.0 notify-send \
 270             -u critical \
 271             "Energy VERY low: $energy" \
 272             'Plug it in ASAP.'
 273     elif [[ $energy_percentage -le 15 ]]
 274     then
 275         DISPLAY=:0.0 notify-send \
 276             -u critical \
 277             "Energy low: $energy" \
 278             'Get the charger.'
 279     elif [[ $energy_percentage -le 50 ]]
 280     then
 281         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 282         then
 283             DISPLAY=:0.0 notify-send \
 284                 -u normal \
 285                 "Energy bellow half: $energy" \
 286                 'Where is the charger?'
 287             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 288         fi
 289     fi
 290 else
 291     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 292 fi
 293
 294 weather=$(awk 'NR == 1 {printf("%d°F", $1)}' ~/var/run/metar-KJFK-decoded-temp-fahrenheit)
 295
 296 signal_last_msg_age=$(
 297     ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 298     | awk -v now_seconds=$(date +%s) \
 299     '{
 300         mtime_seconds = $6;
 301         seconds = now_seconds - mtime_seconds;
 302         minutes = seconds / 60;
 303         hours   = minutes / 60;
 304         days    = hours / 24;
 305         weeks   = days / 7;
 306         months  = days / 30;
 307         #fmt = "%.1f";
 308         fmt = "%d";
 309         #printf(fmt " s\n", seconds);
 310         printf(fmt " m\n", minutes);
 311         printf(fmt " h\n", hours);
 312         printf(fmt " d\n", days);
 313         printf(fmt " w\n", weeks);
 314         printf(fmt " mo\n", months);
 315     }' \
 316     | awk '$1 >= 1' \
 317     | sort -n -k 1 \
 318     | head -1 \
 319     | tr -d ' '
 320 )
 321
 322 mpd_state=$(
 323     echo 'status' \
 324     | nc 127.0.0.1 6600 \
 325     | awk '
 326         {
 327             status[$1] = $2
 328         }
 329
 330         END {
 331             state = status["state:"]
 332             symbol = "-"
 333             if (state == "play") {
 334                 symbol = "▶"
 335             } else if (state == "pause") {
 336                 symbol = "❚❚"
 337             } else if (state == "stop") {
 338                 symbol = "⬛"
 339             }
 340             printf("%s", symbol)
 341         }
 342         '
 343 )
 344
 345 mpd_current_file=$(
 346     echo 'currentsong' \
 347     | nc 127.0.0.1 6600 \
 348     | awk -v max_chars=10 '
 349         /^file:/ {
 350             file = $2
 351             for (i=3; i<=NF; i++) {file = file " " $i}
 352             last = split(file, parts, "/")
 353             print substr(parts[last], 1, max_chars)
 354         }
 355         '
 356 )
 357
 358 echo \
 359 "\
 360  E$energy\
 361  \
 362  \
 363  M$memory\
 364  \
 365  \
 366  C=[$cpu  ${temp}°C ${fan}rpm]\
 367  \
 368  \
 369  L=$load\
 370  \
 371  \
 372  D$disk\
 373  \
 374  \
 375  N:$network\
 376  \
 377  \
 378  B:$bluetooth_power\
 379  \
 380  \
 381  S=$screen_brightness\
 382  \
 383  \
 384  V=$volume\
 385  \
 386  [$mpd_state $mpd_current_file]\
 387  \
 388  $signal_last_msg_age\
 389  \
 390  $weather\
 391  \
 392  $datetime \
 393 "