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         FILENAME == "/proc/net/dev" && 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             io_rates[device] = sprintf("%0.3f▲ %0.3f▼", diff_write, diff_read);
 120
 121             next;
 122         }
 123
 124         /^[a-zA-Z0-9]/ {
 125             interface = $1
 126             interfaces[interface_count++] = interface
 127         }
 128
 129         /^ +inet addr:/ {
 130             split($2, addr, ":")
 131             ipaddr = addr[2]
 132             ipaddrs[interface] = ipaddr
 133         }
 134
 135         END {
 136             canvas = ""
 137             i_last = length(ipaddrs)
 138             for (interface in ipaddrs) {
 139                 #ipaddr = ipaddrs[interface]
 140
 141                 if (++i_curr == i_last) {
 142                     sep = ""
 143                 } else {
 144                     sep = " |"
 145                 }
 146
 147                 if (interface == "wlp3s0") {
 148                     curr = wifi_conn " " io_rates[interface]
 149                 } else if (interface == "lo") {
 150                     curr = interface " " io_rates[interface]
 151                 } else {
 152                     curr = "e" ++eth_count " " io_rates[interface]
 153                 }
 154
 155                 canvas = canvas " " curr sep
 156             }
 157             canvas = "[" canvas "]"
 158             printf("%s", canvas)
 159         }
 160     ' \
 161     /proc/net/dev \
 162     <(ifconfig)
 163 )
 164
 165 energy=$(
 166     upower -e \
 167     | grep battery \
 168     | xargs upower -i \
 169     | awk '
 170         /^ +percentage: +/ {percentage=$2}
 171         /^ +state: +/      {state=$2}
 172         END {
 173             if (state == "discharging") {
 174                 direction_of_change = "<"
 175             } else if (state == "charging") {
 176                 direction_of_change = ">"
 177             } else {
 178                 direction_of_change = "="
 179             };
 180             printf("%s%s", direction_of_change, percentage)
 181         }')
 182
 183 datetime=$(date +'%a, %b %d, %H:%M:%S')
 184
 185 #volume_amixer=$(
 186 #    amixer get Master \
 187 #    | tail -1 \
 188 #    | awk '
 189 #        {
 190 #            level = $4;
 191 #            sub("^\\[", "", level);
 192 #            sub("\\]$", "", level);
 193 #            print level;
 194 #        }' \
 195 #    )
 196
 197 #volume_amixer=$(
 198 #    amixer get Master \
 199 #    | tail -n 1 \
 200 #    | awk '{print $4}' \
 201 #    | tr -d '[]'
 202 #)
 203
 204 volume_pactl=$(
 205     pactl list sinks \
 206     | awk '
 207         /^\tMute:/ {
 208             printf("%s,", $0);
 209         }
 210         /^\tVolume:/ {
 211             for (i=2; i<=NF; i++) printf(" %s", $i);
 212         }' \
 213     | awk -v RS=',' '
 214         /^[ \t]*Mute:/        {mute  = $2}
 215         /^[ \t]*front-left:/  {left  = $4}
 216         /^[ \t]*front-right:/ {right = $4}
 217         END {
 218             if (mute == "yes") {
 219                 printf("x")
 220             } else {
 221                 printf("%s %s", left, right)
 222             }
 223         }
 224         '
 225 )
 226
 227 volume="[$volume_pactl]"
 228
 229 screen_brightness=$(
 230     max=$(cat /sys/class/backlight/acpi_video0/max_brightness)
 231     cur=$(cat /sys/class/backlight/acpi_video0/brightness)
 232     awk -v max=$max -v cur=$cur 'BEGIN {printf("%d%%", cur/max*100)}'
 233 )
 234
 235 #bluetooth_status=$(
 236 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 237 #    | awk '
 238 #        $2 == "disabled" {printf "off"}
 239 #        $2 == "enabled"  {printf "on"}
 240 #        '
 241 #)
 242
 243 bluetooth_power=$(
 244     echo -e 'show \n quit' \
 245     | bluetoothctl \
 246     | awk '
 247         /^Controller / {
 248             controller = $2;
 249             controllers[++ctrl_count] = controller;
 250         }
 251         /^\t[A-Z][A-Za-z]+:/ {
 252             key = $1;
 253             sub(":$", "", key);
 254             val = $2;
 255             for (i=3; i<=NF; i++) {
 256                 val = val " " $i};
 257                 data[controller, key] = val;
 258         }
 259         END {
 260             # Using the 1st seen controller. Should we select specific instead?
 261             power_status = data[controllers[1], "Powered"];
 262             if (ctrl_count > 0) {
 263                 if (power_status == "no") {
 264                     power_status = "off"
 265                 } else if (power_status == "yes") {
 266                     power_status = "on"
 267                 } else {
 268                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 269                         > "/dev/stderr";
 270                     power_status = "ERROR"
 271                 }
 272             } else {
 273                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 274             }
 275             printf("%s", power_status);
 276         }'
 277 )
 278
 279 #touchpad_status=$(
 280 #    xinput list-props 12 \
 281 #    | awk '
 282 #        /^\tDevice Enabled \([0-9]+\):/ {
 283 #            status = $4;
 284 #            printf("%s", status);
 285 #        }'
 286 #)
 287
 288 #color_off='\033[0m'
 289 #color_on_bg_gray='\033[m\033[40m'
 290
 291 energy_direction=$(echo "$energy" | cut -b 1)
 292 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 293 if [[ "$energy_direction" = '<' ]]
 294 then
 295     if [[ $energy_percentage -le 5 ]]
 296     then
 297         DISPLAY=:0.0 notify-send \
 298             -u critical \
 299             "Energy CRITICALLY low: $energy" \
 300             'CHARGE NOW!!! GO GO GO!!!'
 301     elif [[ $energy_percentage -le 10 ]]
 302     then
 303         DISPLAY=:0.0 notify-send \
 304             -u critical \
 305             "Energy VERY low: $energy" \
 306             'Plug it in ASAP.'
 307     elif [[ $energy_percentage -le 15 ]]
 308     then
 309         DISPLAY=:0.0 notify-send \
 310             -u critical \
 311             "Energy low: $energy" \
 312             'Get the charger.'
 313     elif [[ $energy_percentage -le 50 ]]
 314     then
 315         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 316         then
 317             DISPLAY=:0.0 notify-send \
 318                 -u normal \
 319                 "Energy bellow half: $energy" \
 320                 'Where is the charger?'
 321             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 322         fi
 323     fi
 324 else
 325     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 326 fi
 327
 328 weather=$(awk 'NR == 1 {printf("%d°F", $1)}' ~/var/run/metar-KJFK-decoded-temp-fahrenheit)
 329
 330 signal_last_msg_age=$(
 331     ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 332     | awk -v now_seconds=$(date +%s) \
 333     '{
 334         mtime_seconds = $6;
 335         seconds = now_seconds - mtime_seconds;
 336         minutes = seconds / 60;
 337         hours   = minutes / 60;
 338         days    = hours / 24;
 339         weeks   = days / 7;
 340         months  = days / 30;
 341         #fmt = "%.1f";
 342         fmt = "%d";
 343         printf(fmt " s\n", seconds);
 344         printf(fmt " m\n", minutes);
 345         printf(fmt " h\n", hours);
 346         printf(fmt " d\n", days);
 347         printf(fmt " w\n", weeks);
 348         printf(fmt " mo\n", months);
 349     }' \
 350     | awk '$1 >= 1' \
 351     | sort -n -k 1 \
 352     | head -1 \
 353     | tr -d ' '
 354 )
 355
 356 mpd_state=$(
 357     echo 'status' \
 358     | nc 127.0.0.1 6600 \
 359     | awk '
 360         {
 361             status[$1] = $2
 362         }
 363
 364         END {
 365             state = status["state:"]
 366             symbol = "-"
 367             if (state == "play") {
 368                 symbol = "▶"
 369             } else if (state == "pause") {
 370                 symbol = "❚❚"
 371             } else if (state == "stop") {
 372                 symbol = "⬛"
 373             }
 374             printf("%s", symbol)
 375         }
 376         '
 377 )
 378
 379 mpd_current=$(
 380     echo 'currentsong' \
 381     | nc 127.0.0.1 6600 \
 382     | awk -v max_chars=10 '
 383         /^OK/ {
 384             next
 385         }
 386
 387         {
 388             key = $1
 389             val = $2
 390             for (i=3; i<=NF; i++) {val = val " " $i}
 391             data[key] = val
 392         }
 393
 394         END {
 395             if (data["Name:"]) {
 396                 out = data["Name:"]
 397             } else {
 398                 file = data["file:"]
 399                 last = split(file, parts, "/")
 400                 out = parts[last]
 401             }
 402             printf("%s", substr(out, 1, max_chars))
 403         }
 404         '
 405 )
 406
 407 graphics_card=$(
 408     nvidia-smi \
 409         --format=csv,noheader,nounits \
 410         --query-gpu=memory.total,memory.used,temperature.gpu \
 411     | awk -F ',' '
 412         {
 413             mem_total = $1;
 414             mem_used  = $2;
 415             temp      = $3;
 416             mem_used_percent = (100 * mem_used) / mem_total;
 417             printf("[%d%% %dC]", mem_used_percent, temp);
 418         }
 419         '
 420 )
 421
 422 echo \
 423 "\
 424  E$energy\
 425  \
 426  \
 427  G=$graphics_card\
 428  \
 429  \
 430  M$memory\
 431  \
 432  \
 433  C=[$cpu  ${temp}°C ${fan}rpm]\
 434  \
 435  \
 436  L=$load\
 437  \
 438  \
 439  D$disk\
 440  \
 441  \
 442  N:$network\
 443  \
 444  \
 445  B:$bluetooth_power\
 446  \
 447  \
 448  S=$screen_brightness\
 449  \
 450  \
 451  V=$volume\
 452  \
 453  [$mpd_state $mpd_current]\
 454  \
 455  $signal_last_msg_age\
 456  \
 457  $weather\
 458  \
 459  $datetime \
 460 "