x1/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 while getopts ":b:d:s:i:w:" opt
  10 do
  11     case "$opt" in
  12         b)
  13             SCREEN_BRIGHTNESS_DEVICE_NAME="$OPTARG"
  14             ;;
  15         d)
  16             DISK_IO_DEVICE="$OPTARG"
  17             ;;
  18         s)
  19             DISK_SPACE_DEVICE="$OPTARG"
  20             ;;
  21         i)
  22             PREFIXES_OF_INTERFACES_TO_SHOW="$OPTARG"
  23             ;;
  24         w)
  25             WEATHER_STATION_ID="$OPTARG"
  26             ;;
  27         \?)
  28             echo "Unknown option: $OPTARG" >&2
  29             exit 1
  30             ;;
  31         :)
  32             echo "Missing argument for option: $OPTARG" >&2
  33             exit 1
  34             ;;
  35     esac
  36 done
  37 if [ "$SCREEN_BRIGHTNESS_DEVICE_NAME" == '' ]; then echo 'Missing -b' >&2; exit 1; fi
  38 if [ "$DISK_IO_DEVICE" == '' ];                then echo 'Missing -d' >&2; exit 1; fi
  39 if [ "$DISK_SPACE_DEVICE" == '' ];             then echo 'Missing -s' >&2; exit 1; fi
  40 if [ "$WEATHER_STATION_ID" == '' ];            then echo 'Missing -w' >&2; exit 1; fi
  41 SCREEN_BRIGHTNESS_DEVICE_PATH="/sys/class/backlight/$SCREEN_BRIGHTNESS_DEVICE_NAME"
  42
  43
  44 load=$(awk '{printf("%4.2f", $1)}' /proc/loadavg)
  45
  46 fan=$(awk '/^speed:/ {printf "%4d", $2}' /proc/acpi/ibm/fan)
  47
  48 #cpu=$($BIN/khatus_cpu_usage_from_proc_since_last_check)
  49
  50 memory=$(
  51     free \
  52     | awk '
  53         function round(n) {return int(n + 0.5)}
  54
  55         $1 == "Mem:" {
  56             total=$2;
  57             used=$3;
  58             cache=$6;
  59             prev_file = ENVIRON["HOME"] "/var/run/status/memory_used_percentage";
  60             curr = round(used / total * 100);
  61             getline prev < prev_file;
  62             print curr > prev_file;
  63             if (curr > prev) {
  64                 direction = ">";
  65             } else if (curr < prev) {
  66                 direction = "<";
  67             } else {
  68                 direction = "=";
  69             }
  70             printf("%s%d%%", direction, curr);
  71         }')
  72
  73 temp=$(awk 'NR == 1 {print $1 / 1000}' /sys/class/thermal/thermal_zone0/temp)
  74
  75 disk_io=$(
  76     awk '
  77         {
  78             bytes_per_sector = 512
  79             bytes_per_unit   = 1024 * 1024
  80
  81             curr_sectors_read  = $3
  82             curr_sectors_write = $7
  83
  84             prev_file_prefix        = ENVIRON["HOME"] "/var/run/status/disk_io"
  85             prev_sectors_read_file  = prev_file_prefix "_sectors_read"
  86             prev_sectors_write_file = prev_file_prefix "_sectors_write"
  87
  88             getline prev_sectors_read  < prev_sectors_read_file
  89             getline prev_sectors_write < prev_sectors_write_file
  90
  91             diff_read_sectors  = (curr_sectors_read  - prev_sectors_read)
  92             diff_write_sectors = (curr_sectors_write - prev_sectors_write)
  93
  94             diff_read_bytes  = diff_read_sectors  * bytes_per_sector
  95             diff_write_bytes = diff_write_sectors * bytes_per_sector
  96
  97             diff_read  = diff_read_bytes  / bytes_per_unit
  98             diff_write = diff_write_bytes / bytes_per_unit
  99
 100             print curr_sectors_read  > prev_sectors_read_file
 101             print curr_sectors_write > prev_sectors_write_file
 102
 103             printf("%0.3f▲ %0.3f▼\n", diff_write, diff_read);
 104
 105         }
 106         ' "/sys/block/$DISK_IO_DEVICE/stat"
 107 )
 108
 109 disk=$(
 110     df \
 111     | awk \
 112         -v disk_io="$disk_io" \
 113         -v device="$DISK_SPACE_DEVICE" \
 114         '
 115         function round(n) {return int(n + 0.5)}
 116
 117         $1 == device {
 118             curr_perc = $5; sub("%$", "", curr_perc);
 119             prev_perc_file = ENVIRON["HOME"] "/var/run/status/disk_space_used";
 120             getline prev_perc   < prev_perc_file;
 121             print curr_perc > prev_perc_file;
 122             if (curr_perc > prev_perc) {
 123                 direction = ">";
 124             } else if (curr_perc < prev_perc) {
 125                 direction = "<";
 126             } else {
 127                 direction = "=";
 128             }
 129             printf("%s[%d%% %s]", direction, curr_perc, disk_io);
 130         }')
 131
 132 # TODO: Wi-Fi status file should be a file per-wifi-device
 133 network=$(
 134     ip -s addr \
 135     | awk \
 136         -v wifi_conn="$(cat $STATUS_FILE__WIFI)" \
 137         -v prefixes_of_interfaces_to_show="$PREFIXES_OF_INTERFACES_TO_SHOW" \
 138         '
 139         BEGIN {
 140             bytes_per_unit = 1024 * 1024
 141         }
 142
 143         /^[0-9]+:/ {
 144             sub(":$", "", $1)
 145             sub(":$", "", $2)
 146             sequence = $1
 147             interface = $2
 148             interfaces[sequence] = interface
 149         }
 150
 151         /^ +inet [0-9]/ {
 152             sub("/[0-9]+", "", $2)
 153             addr = $2
 154             addrs[interface] = addr
 155         }
 156
 157         /^ +RX: / {transfer_direction = "r"}
 158         /^ +TX: / {transfer_direction = "w"}
 159
 160         /^ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ *$/ {
 161             io[interface, transfer_direction] = $1;
 162         }
 163
 164         END {
 165             for (seq=1; seq<=sequence; seq++) {
 166                 interface = interfaces[seq]
 167                 label = substr(interface, 1, 1)
 168                 if (addrs[interface]) {
 169                     curr_read  = io[interface, "r"]
 170                     curr_write = io[interface, "w"]
 171
 172                     prefix = ENVIRON["HOME"] "/var/run/status/io_net_" interface
 173                     prev_read_file  = prefix "_read"
 174                     prev_write_file = prefix "_write"
 175
 176                     getline prev_read < prev_read_file
 177                     getline prev_write < prev_write_file
 178
 179                     diff_read    = (curr_read  - prev_read ) / bytes_per_unit
 180                     diff_written = (curr_write - prev_write) / bytes_per_unit
 181
 182                     print curr_read  > prev_read_file
 183                     print curr_write > prev_write_file
 184
 185                     io_stat = sprintf("%0.3f▲ %0.3f▼", diff_written, diff_read)
 186                     if (interface ~ "^w") {
 187                         label = label ":" wifi_conn
 188                     }
 189                 } else {
 190                     io_stat = "--"
 191                 }
 192                 number_of_interfaces_to_show = \
 193                     split(\
 194                         prefixes_of_interfaces_to_show,\
 195                         array_of_prefixes_of_interfaces_to_show,\
 196                         " +"\
 197                     )
 198                 for (n = 1; n <= number_of_interfaces_to_show; n++) {
 199                     prefix = array_of_prefixes_of_interfaces_to_show[n]
 200                     if (interface ~ ("^" prefix)) {
 201                         if (++count_printed > 1) {
 202                             sep = "  "
 203                         } else {
 204                             sep = ""
 205                         }
 206                         printf("%s%s:%s", sep, label, io_stat)
 207                     }
 208                 }
 209             }
 210         }'
 211 )
 212
 213 energy=$(
 214     upower -e \
 215     | grep battery \
 216     | xargs upower -i \
 217     | awk '
 218         /^ +percentage: +/ {percentage=$2}
 219         /^ +state: +/      {state=$2}
 220         END {
 221             if (state == "discharging") {
 222                 direction_of_change = "<"
 223             } else if (state == "charging") {
 224                 direction_of_change = ">"
 225             } else {
 226                 direction_of_change = "="
 227             };
 228             printf("%s%s", direction_of_change, percentage)
 229         }')
 230
 231 datetime=$(date +'%a %b %d %H:%M:%S')
 232 #datetime=$(
 233 #    date +'%a %u %b %d %H:%M:%S' \
 234 #    | awk '
 235 #        {
 236 #            wday_name = $1
 237 #            wday_seq  = $2
 238 #            month     = $3
 239 #            mday      = $4
 240 #            time      = $5
 241 #
 242 #            week = ""
 243 #            for (i=1; i<=7; i++) {
 244 #                if (i == 6 || i == 4) {
 245 #                    sep = " "
 246 #                } else {
 247 #                    sep = ""
 248 #                }
 249 #
 250 #                if (i == wday_seq) {
 251 #                    #symbol = substr(wday_name, 1, 1)
 252 #                    symbol = "/"
 253 #                } else if (i < wday_seq){
 254 #                    symbol = "X"
 255 #                } else {
 256 #                    symbol = "_"
 257 #                }
 258 #                week = week sep symbol
 259 #            }
 260 #
 261 #            print "["week"]", month, mday, time;
 262 #        }
 263 #    '
 264 #)
 265
 266 #volume_amixer=$(
 267 #    amixer get Master \
 268 #    | tail -1 \
 269 #    | awk '
 270 #        {
 271 #            level = $4;
 272 #            sub("^\\[", "", level);
 273 #            sub("\\]$", "", level);
 274 #            print level;
 275 #        }' \
 276 #    )
 277
 278 #volume_amixer=$(
 279 #    amixer get Master \
 280 #    | tail -n 1 \
 281 #    | awk '{print $4}' \
 282 #    | tr -d '[]'
 283 #)
 284
 285 volume_pactl=$(
 286     pactl list sinks \
 287     | awk '
 288         /^\tMute:/ {
 289             printf("%s,", $0);
 290         }
 291         /^\tVolume:/ {
 292             for (i=2; i<=NF; i++) printf(" %s", $i);
 293         }' \
 294     | awk -v RS=',' '
 295         /^[ \t]*Mute:/        {mute  = $2}
 296         /^[ \t]*front-left:/  {left  = $4}
 297         /^[ \t]*front-right:/ {right = $4}
 298         END {
 299             if (mute == "yes") {
 300                 printf("x")
 301             } else {
 302                 printf("%s %s", left, right)
 303             }
 304         }
 305         '
 306 )
 307
 308 volume="($volume_pactl)"
 309
 310 screen_brightness=$(
 311     echo -n $((
 312           $(cat $SCREEN_BRIGHTNESS_DEVICE_PATH/brightness)
 313         / $(cat $SCREEN_BRIGHTNESS_DEVICE_PATH/max_brightness)
 314         * 100
 315     ))
 316 )
 317
 318 #bluetooth_status=$(
 319 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 320 #    | awk '
 321 #        $2 == "disabled" {printf "off"}
 322 #        $2 == "enabled"  {printf "on"}
 323 #        '
 324 #)
 325
 326 bluetooth_power=$(
 327     echo -e 'show \n quit' \
 328     | bluetoothctl \
 329     | awk '
 330         /^Controller / {
 331             controller = $2;
 332             controllers[++ctrl_count] = controller;
 333         }
 334         /^\t[A-Z][A-Za-z]+:/ {
 335             key = $1;
 336             sub(":$", "", key);
 337             val = $2;
 338             for (i=3; i<=NF; i++) {
 339                 val = val " " $i};
 340                 data[controller, key] = val;
 341         }
 342         END {
 343             # Using the 1st seen controller. Should we select specific instead?
 344             power_status = data[controllers[1], "Powered"];
 345             if (ctrl_count > 0) {
 346                 if (power_status == "no") {
 347                     power_status = "off"
 348                 } else if (power_status == "yes") {
 349                     power_status = "on"
 350                 } else {
 351                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 352                         > "/dev/stderr";
 353                     power_status = "ERROR"
 354                 }
 355             } else {
 356                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 357             }
 358             printf("%s", power_status);
 359         }'
 360 )
 361
 362 #touchpad_status=$(
 363 #    xinput list-props 12 \
 364 #    | awk '
 365 #        /^\tDevice Enabled \([0-9]+\):/ {
 366 #            status = $4;
 367 #            printf("%s", status);
 368 #        }'
 369 #)
 370
 371 #color_off='\033[0m'
 372 #color_on_bg_gray='\033[m\033[40m'
 373
 374 energy_direction=$(echo "$energy" | cut -b 1)
 375 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 376 if [[ "$energy_direction" = '<' ]]
 377 then
 378     if [[ $energy_percentage -le 5 ]]
 379     then
 380         DISPLAY=:0.0 notify-send \
 381             -u critical \
 382             "Energy CRITICALLY low: $energy" \
 383             'CHARGE NOW!!! GO GO GO!!!'
 384     elif [[ $energy_percentage -le 10 ]]
 385     then
 386         DISPLAY=:0.0 notify-send \
 387             -u critical \
 388             "Energy VERY low: $energy" \
 389             'Plug it in ASAP.'
 390     elif [[ $energy_percentage -le 15 ]]
 391     then
 392         DISPLAY=:0.0 notify-send \
 393             -u critical \
 394             "Energy low: $energy" \
 395             'Get the charger.'
 396     elif [[ $energy_percentage -le 50 ]]
 397     then
 398         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 399         then
 400             DISPLAY=:0.0 notify-send \
 401                 -u normal \
 402                 "Energy bellow half: $energy" \
 403                 'Where is the charger?'
 404             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 405         fi
 406     fi
 407 else
 408     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 409 fi
 410
 411 weather=$(
 412     awk \
 413         'NR == 1 {printf("%s°F", $1)}' \
 414         "$HOME/var/run/metar-${WEATHER_STATION_ID}-decoded-temp-fahrenheit"
 415 )
 416
 417 #signal_last_msg_age=$(
 418 #    ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 419 #    | awk -v now_seconds=$(date +%s) \
 420 #    '{
 421 #        mtime_seconds = $6;
 422 #        seconds = now_seconds - mtime_seconds;
 423 #        minutes = seconds / 60;
 424 #        hours   = minutes / 60;
 425 #        days    = hours / 24;
 426 #        weeks   = days / 7;
 427 #        months  = days / 30;
 428 #        #fmt = "%.1f";
 429 #        fmt = "%d";
 430 #        printf(fmt " s\n", seconds);
 431 #        printf(fmt " m\n", minutes);
 432 #        printf(fmt " h\n", hours);
 433 #        printf(fmt " d\n", days);
 434 #        printf(fmt " w\n", weeks);
 435 #        printf(fmt " mo\n", months);
 436 #    }' \
 437 #    | awk '$1 >= 1' \
 438 #    | sort -n -k 1 \
 439 #    | head -1 \
 440 #    | tr -d ' '
 441 #)
 442
 443 mpd_currentsong=$(
 444     echo 'currentsong' \
 445     | nc 127.0.0.1 6600 \
 446     | awk -v max_chars=10 '
 447         /^OK/ {
 448             next
 449         }
 450
 451         {
 452             key = $1
 453             val = $2
 454             for (i=3; i<=NF; i++) {val = val " " $i}
 455             data[key] = val
 456         }
 457
 458         END {
 459             name  = data["Name:"]
 460             title = data["Title:"]
 461             file  = data["file:"]
 462
 463             if (name) {
 464                 out = name
 465             } else if (title) {
 466                 out = title
 467             } else if (file) {
 468                 last = split(file, parts, "/")
 469                 out = parts[last]
 470             } else {
 471                 out = ""
 472             }
 473
 474             printf("%s", substr(out, 1, max_chars))
 475         }
 476         '
 477 )
 478
 479 mpd_state=$(
 480     echo 'status' \
 481     | nc 127.0.0.1 6600 \
 482     | awk \
 483         -v current_song="$mpd_currentsong" \
 484         '
 485         {
 486             status[$1] = $2
 487         }
 488
 489         /^time: +[0-9]+:[0-9]+$/ {
 490             split($2, time, ":")
 491             seconds_current = time[1]
 492             seconds_total   = time[2]
 493
 494             hours = int(seconds_current / 60 / 60);
 495             secs_beyond_hours = seconds_current - (hours * 60 * 60);
 496             mins = int(secs_beyond_hours / 60);
 497             secs = secs_beyond_hours - (mins * 60);
 498             if (hours > 0) {
 499                 current_time = sprintf("%d:%.2d:%.2d", hours, mins, secs)
 500             } else {
 501                 current_time = sprintf("%.2d:%.2d", mins, secs)
 502             }
 503
 504             if (seconds_total > 0) {
 505                 time_percentage = (seconds_current / seconds_total) * 100
 506                 current_percentage = sprintf("%d%%", time_percentage)
 507             } else {
 508                 current_percentage = "~"
 509             }
 510         }
 511
 512         function print_known_state(symbol) {
 513             printf(\
 514                 "%s %s %s %s",
 515                 symbol, current_time, current_percentage, current_song \
 516             )
 517         }
 518
 519         function print_unknown_state(symbol) {
 520             printf("%s", symbol)
 521         }
 522
 523         END {
 524             state = status["state:"]
 525
 526             if (state == "play") {
 527                 print_known_state("▶")
 528             } else if (state == "pause") {
 529                 print_known_state("❚❚")
 530             } else if (state == "stop") {
 531                 print_known_state("⬛")
 532             } else {
 533                 print_unknown_state("--")
 534             }
 535         }
 536         '
 537 )
 538
 539 #graphics_card=$(
 540     #nvidia-smi \
 541         #--format=csv,noheader,nounits \
 542         #--query-gpu=memory.total,memory.used,temperature.gpu \
 543     #| awk -F ',' '
 544         #{
 545             #mem_total = $1;
 546             #mem_used  = $2;
 547             #temp      = $3;
 548             #mem_used_percent = (100 * mem_used) / mem_total;
 549             #printf("[%d%% %dC]", mem_used_percent, temp);
 550         #}
 551         #'
 552 #)
 553
 554 echo \
 555 "\
 556  E$energy\
 557  \
 558  M$memory\
 559  \
 560  C=[$load ${temp}°C ${fan}rpm]\
 561  \
 562  D$disk\
 563  \
 564  N:[$network]\
 565  \
 566  B:$bluetooth_power\
 567  \
 568  *$screen_brightness%\
 569  \
 570  $volume\
 571  \
 572  [$mpd_state]\
 573  \
 574  $weather\
 575  \
 576  $datetime \
 577 "