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 DISK_IO_DEVICE='dm-1'
  10 DISK_SPACE_DEVICE='/dev/mapper/kubuntu--vg-root'
  11
  12
  13 load=$(awk '{printf("%4.2f", $1)}' /proc/loadavg)
  14
  15 fan=$(awk '/^speed:/ {printf "%4d", $2}' /proc/acpi/ibm/fan)
  16
  17 #cpu=$($BIN/khatus_cpu_usage_from_proc_since_last_check)
  18
  19 memory=$(
  20     free \
  21     | awk '
  22         function round(n) {return int(n + 0.5)}
  23
  24         $1 == "Mem:" {
  25             total=$2;
  26             used=$3;
  27             cache=$6;
  28             prev_file = ENVIRON["HOME"] "/var/run/status/memory_used_percentage";
  29             curr = round(used / total * 100);
  30             getline prev < prev_file;
  31             print curr > prev_file;
  32             if (curr > prev) {
  33                 direction = ">";
  34             } else if (curr < prev) {
  35                 direction = "<";
  36             } else {
  37                 direction = "=";
  38             }
  39             printf("%s%d%%", direction, curr);
  40         }')
  41
  42 temp=$(awk 'NR == 1 {print $1 / 1000}' /sys/class/thermal/thermal_zone0/temp)
  43
  44 disk_io=$(
  45     awk '
  46         {
  47             bytes_per_sector = 512
  48             bytes_per_unit   = 1024 * 1024
  49
  50             curr_sectors_read  = $3
  51             curr_sectors_write = $7
  52
  53             prev_file_prefix        = ENVIRON["HOME"] "/var/run/status/disk_io"
  54             prev_sectors_read_file  = prev_file_prefix "_sectors_read"
  55             prev_sectors_write_file = prev_file_prefix "_sectors_write"
  56
  57             getline prev_sectors_read  < prev_sectors_read_file
  58             getline prev_sectors_write < prev_sectors_write_file
  59
  60             diff_read_sectors  = (curr_sectors_read  - prev_sectors_read)
  61             diff_write_sectors = (curr_sectors_write - prev_sectors_write)
  62
  63             diff_read_bytes  = diff_read_sectors  * bytes_per_sector
  64             diff_write_bytes = diff_write_sectors * bytes_per_sector
  65
  66             diff_read  = diff_read_bytes  / bytes_per_unit
  67             diff_write = diff_write_bytes / bytes_per_unit
  68
  69             print curr_sectors_read  > prev_sectors_read_file
  70             print curr_sectors_write > prev_sectors_write_file
  71
  72             printf("%0.3f▲ %0.3f▼\n", diff_write, diff_read);
  73
  74         }
  75         ' "/sys/block/$DISK_IO_DEVICE/stat"
  76 )
  77
  78 disk=$(
  79     df \
  80     | awk \
  81         -v disk_io="$disk_io" \
  82         -v device="$DISK_SPACE_DEVICE" \
  83         '
  84         function round(n) {return int(n + 0.5)}
  85
  86         $1 == device {
  87             curr_perc = $5; sub("%$", "", curr_perc);
  88             prev_perc_file = ENVIRON["HOME"] "/var/run/status/disk_space_used";
  89             getline prev_perc   < prev_perc_file;
  90             print curr_perc > prev_perc_file;
  91             if (curr_perc > prev_perc) {
  92                 direction = ">";
  93             } else if (curr_perc < prev_perc) {
  94                 direction = "<";
  95             } else {
  96                 direction = "=";
  97             }
  98             printf("%s[%d%% %s]", direction, curr_perc, disk_io);
  99         }')
 100
 101 network=$(
 102     ip -s addr \
 103     | awk -v wifi_conn="$(cat $STATUS_FILE__WIFI)" '
 104         BEGIN {
 105             bytes_per_unit = 1024 * 1024
 106         }
 107
 108         /^[0-9]+:/ {
 109             sub(":$", "", $1)
 110             sub(":$", "", $2)
 111             sequence = $1
 112             interface = $2
 113             interfaces[sequence] = interface
 114         }
 115
 116         /^ +inet [0-9]/ {
 117             sub("/[0-9]+", "", $2)
 118             addr = $2
 119             addrs[interface] = addr
 120         }
 121
 122         /^ +RX: / {transfer_direction = "r"}
 123         /^ +TX: / {transfer_direction = "w"}
 124
 125         /^ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ *$/ {
 126             io[interface, transfer_direction] = $1;
 127         }
 128
 129         END {
 130             excluded["lo"]++
 131             excluded["enp0s25"]++
 132
 133             for (i=1; i<=sequence; i++) {
 134                 interface = interfaces[i]
 135                 label = substr(interface, 1, 1)
 136                 if (addrs[interface]) {
 137                     curr_read  = io[interface, "r"]
 138                     curr_write = io[interface, "w"]
 139
 140                     prefix = ENVIRON["HOME"] "/var/run/status/io_net_" interface
 141                     prev_read_file  = prefix "_read"
 142                     prev_write_file = prefix "_write"
 143
 144                     getline prev_read < prev_read_file
 145                     getline prev_write < prev_write_file
 146
 147                     diff_read    = (curr_read  - prev_read ) / bytes_per_unit
 148                     diff_written = (curr_write - prev_write) / bytes_per_unit
 149
 150                     print curr_read  > prev_read_file
 151                     print curr_write > prev_write_file
 152
 153                     io_stat = sprintf("%0.3f▲ %0.3f▼", diff_written, diff_read)
 154                     if (interface == "wlp3s0") {
 155                         label = label ":" wifi_conn
 156                     }
 157                 } else {
 158                     io_stat = "--"
 159                 }
 160                 if (!(interface in excluded)) {
 161                     if (++count_printed > 1) {
 162                         sep = "  "
 163                     } else {
 164                         sep = ""
 165                     }
 166                     printf("%s%s:%s", sep, label, io_stat)
 167                 }
 168             }
 169         }'
 170 )
 171
 172 energy=$(
 173     upower -e \
 174     | grep battery \
 175     | xargs upower -i \
 176     | awk '
 177         /^ +percentage: +/ {percentage=$2}
 178         /^ +state: +/      {state=$2}
 179         END {
 180             if (state == "discharging") {
 181                 direction_of_change = "<"
 182             } else if (state == "charging") {
 183                 direction_of_change = ">"
 184             } else {
 185                 direction_of_change = "="
 186             };
 187             printf("%s%s", direction_of_change, percentage)
 188         }')
 189
 190 datetime=$(date +'%a %b %d %H:%M:%S')
 191 #datetime=$(
 192 #    date +'%a %u %b %d %H:%M:%S' \
 193 #    | awk '
 194 #        {
 195 #            wday_name = $1
 196 #            wday_seq  = $2
 197 #            month     = $3
 198 #            mday      = $4
 199 #            time      = $5
 200 #
 201 #            week = ""
 202 #            for (i=1; i<=7; i++) {
 203 #                if (i == 6 || i == 4) {
 204 #                    sep = " "
 205 #                } else {
 206 #                    sep = ""
 207 #                }
 208 #
 209 #                if (i == wday_seq) {
 210 #                    #symbol = substr(wday_name, 1, 1)
 211 #                    symbol = "/"
 212 #                } else if (i < wday_seq){
 213 #                    symbol = "X"
 214 #                } else {
 215 #                    symbol = "_"
 216 #                }
 217 #                week = week sep symbol
 218 #            }
 219 #
 220 #            print "["week"]", month, mday, time;
 221 #        }
 222 #    '
 223 #)
 224
 225 #volume_amixer=$(
 226 #    amixer get Master \
 227 #    | tail -1 \
 228 #    | awk '
 229 #        {
 230 #            level = $4;
 231 #            sub("^\\[", "", level);
 232 #            sub("\\]$", "", level);
 233 #            print level;
 234 #        }' \
 235 #    )
 236
 237 #volume_amixer=$(
 238 #    amixer get Master \
 239 #    | tail -n 1 \
 240 #    | awk '{print $4}' \
 241 #    | tr -d '[]'
 242 #)
 243
 244 volume_pactl=$(
 245     pactl list sinks \
 246     | awk '
 247         /^\tMute:/ {
 248             printf("%s,", $0);
 249         }
 250         /^\tVolume:/ {
 251             for (i=2; i<=NF; i++) printf(" %s", $i);
 252         }' \
 253     | awk -v RS=',' '
 254         /^[ \t]*Mute:/        {mute  = $2}
 255         /^[ \t]*front-left:/  {left  = $4}
 256         /^[ \t]*front-right:/ {right = $4}
 257         END {
 258             if (mute == "yes") {
 259                 printf("x")
 260             } else {
 261                 printf("%s %s", left, right)
 262             }
 263         }
 264         '
 265 )
 266
 267 volume="($volume_pactl)"
 268
 269 screen_brightness=$(
 270     max=$(cat /sys/class/backlight/acpi_video0/max_brightness)
 271     cur=$(cat /sys/class/backlight/acpi_video0/brightness)
 272     awk -v max=$max -v cur=$cur 'BEGIN {printf("%d%%", cur/max*100)}'
 273 )
 274
 275 #bluetooth_status=$(
 276 #    grep '^status:' /proc/acpi/ibm/bluetooth \
 277 #    | awk '
 278 #        $2 == "disabled" {printf "off"}
 279 #        $2 == "enabled"  {printf "on"}
 280 #        '
 281 #)
 282
 283 bluetooth_power=$(
 284     echo -e 'show \n quit' \
 285     | bluetoothctl \
 286     | awk '
 287         /^Controller / {
 288             controller = $2;
 289             controllers[++ctrl_count] = controller;
 290         }
 291         /^\t[A-Z][A-Za-z]+:/ {
 292             key = $1;
 293             sub(":$", "", key);
 294             val = $2;
 295             for (i=3; i<=NF; i++) {
 296                 val = val " " $i};
 297                 data[controller, key] = val;
 298         }
 299         END {
 300             # Using the 1st seen controller. Should we select specific instead?
 301             power_status = data[controllers[1], "Powered"];
 302             if (ctrl_count > 0) {
 303                 if (power_status == "no") {
 304                     power_status = "off"
 305                 } else if (power_status == "yes") {
 306                     power_status = "on"
 307                 } else {
 308                     printf("Unexpected bluetooth power status: %s\n", power_status)\
 309                         > "/dev/stderr";
 310                     power_status = "ERROR"
 311                 }
 312             } else {
 313                 power_status = "off"  # TODO: Perhaps use differentiated marker?
 314             }
 315             printf("%s", power_status);
 316         }'
 317 )
 318
 319 #touchpad_status=$(
 320 #    xinput list-props 12 \
 321 #    | awk '
 322 #        /^\tDevice Enabled \([0-9]+\):/ {
 323 #            status = $4;
 324 #            printf("%s", status);
 325 #        }'
 326 #)
 327
 328 #color_off='\033[0m'
 329 #color_on_bg_gray='\033[m\033[40m'
 330
 331 energy_direction=$(echo "$energy" | cut -b 1)
 332 energy_percentage=$(echo "$energy" | tr -d '<>=%')
 333 if [[ "$energy_direction" = '<' ]]
 334 then
 335     if [[ $energy_percentage -le 5 ]]
 336     then
 337         DISPLAY=:0.0 notify-send \
 338             -u critical \
 339             "Energy CRITICALLY low: $energy" \
 340             'CHARGE NOW!!! GO GO GO!!!'
 341     elif [[ $energy_percentage -le 10 ]]
 342     then
 343         DISPLAY=:0.0 notify-send \
 344             -u critical \
 345             "Energy VERY low: $energy" \
 346             'Plug it in ASAP.'
 347     elif [[ $energy_percentage -le 15 ]]
 348     then
 349         DISPLAY=:0.0 notify-send \
 350             -u critical \
 351             "Energy low: $energy" \
 352             'Get the charger.'
 353     elif [[ $energy_percentage -le 50 ]]
 354     then
 355         if [[ ! -a "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF" ]]
 356         then
 357             DISPLAY=:0.0 notify-send \
 358                 -u normal \
 359                 "Energy bellow half: $energy" \
 360                 'Where is the charger?'
 361             touch "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 362         fi
 363     fi
 364 else
 365     rm -f "$STATUS_FILE__ENERGY_NOTIFIED_BELLOW_HALF"
 366 fi
 367
 368 weather=$(awk 'NR == 1 {printf("%s°F", $1)}' ~/var/run/metar-KJFK-decoded-temp-fahrenheit)
 369
 370 #signal_last_msg_age=$(
 371 #    ls -lt --time-style=+%s $HOME/var/lib/signal/latest_message.json \
 372 #    | awk -v now_seconds=$(date +%s) \
 373 #    '{
 374 #        mtime_seconds = $6;
 375 #        seconds = now_seconds - mtime_seconds;
 376 #        minutes = seconds / 60;
 377 #        hours   = minutes / 60;
 378 #        days    = hours / 24;
 379 #        weeks   = days / 7;
 380 #        months  = days / 30;
 381 #        #fmt = "%.1f";
 382 #        fmt = "%d";
 383 #        printf(fmt " s\n", seconds);
 384 #        printf(fmt " m\n", minutes);
 385 #        printf(fmt " h\n", hours);
 386 #        printf(fmt " d\n", days);
 387 #        printf(fmt " w\n", weeks);
 388 #        printf(fmt " mo\n", months);
 389 #    }' \
 390 #    | awk '$1 >= 1' \
 391 #    | sort -n -k 1 \
 392 #    | head -1 \
 393 #    | tr -d ' '
 394 #)
 395
 396 mpd_currentsong=$(
 397     echo 'currentsong' \
 398     | nc 127.0.0.1 6600 \
 399     | awk -v max_chars=10 '
 400         /^OK/ {
 401             next
 402         }
 403
 404         {
 405             key = $1
 406             val = $2
 407             for (i=3; i<=NF; i++) {val = val " " $i}
 408             data[key] = val
 409         }
 410
 411         END {
 412             name  = data["Name:"]
 413             title = data["Title:"]
 414             file  = data["file:"]
 415
 416             if (name) {
 417                 out = name
 418             } else if (title) {
 419                 out = title
 420             } else if (file) {
 421                 last = split(file, parts, "/")
 422                 out = parts[last]
 423             } else {
 424                 out = ""
 425             }
 426
 427             printf("%s", substr(out, 1, max_chars))
 428         }
 429         '
 430 )
 431
 432 mpd_state=$(
 433     echo 'status' \
 434     | nc 127.0.0.1 6600 \
 435     | awk \
 436         -v current_song="$mpd_currentsong" \
 437         '
 438         {
 439             status[$1] = $2
 440         }
 441
 442         /^time: +[0-9]+:[0-9]+$/ {
 443             split($2, time, ":")
 444             seconds_current = time[1]
 445             seconds_total   = time[2]
 446
 447             hours = int(seconds_current / 60 / 60);
 448             secs_beyond_hours = seconds_current - (hours * 60 * 60);
 449             mins = int(secs_beyond_hours / 60);
 450             secs = secs_beyond_hours - (mins * 60);
 451             if (hours > 0) {
 452                 current_time = sprintf("%d:%.2d:%.2d", hours, mins, secs)
 453             } else {
 454                 current_time = sprintf("%.2d:%.2d", mins, secs)
 455             }
 456
 457             if (seconds_total > 0) {
 458                 time_percentage = (seconds_current / seconds_total) * 100
 459                 current_percentage = sprintf("%d%%", time_percentage)
 460             } else {
 461                 current_percentage = "~"
 462             }
 463         }
 464
 465         function print_known_state(symbol) {
 466             printf(\
 467                 "%s %s %s %s",
 468                 symbol, current_time, current_percentage, current_song \
 469             )
 470         }
 471
 472         function print_unknown_state(symbol) {
 473             printf("%s", symbol)
 474         }
 475
 476         END {
 477             state = status["state:"]
 478
 479             if (state == "play") {
 480                 print_known_state("▶")
 481             } else if (state == "pause") {
 482                 print_known_state("❚❚")
 483             } else if (state == "stop") {
 484                 print_known_state("⬛")
 485             } else {
 486                 print_unknown_state("--")
 487             }
 488         }
 489         '
 490 )
 491
 492 #graphics_card=$(
 493     #nvidia-smi \
 494         #--format=csv,noheader,nounits \
 495         #--query-gpu=memory.total,memory.used,temperature.gpu \
 496     #| awk -F ',' '
 497         #{
 498             #mem_total = $1;
 499             #mem_used  = $2;
 500             #temp      = $3;
 501             #mem_used_percent = (100 * mem_used) / mem_total;
 502             #printf("[%d%% %dC]", mem_used_percent, temp);
 503         #}
 504         #'
 505 #)
 506
 507 echo \
 508 "\
 509  E$energy\
 510  \
 511  M$memory\
 512  \
 513  C=[$load ${temp}°C ${fan}rpm]\
 514  \
 515  D$disk\
 516  \
 517  N:[$network]\
 518  \
 519  B:$bluetooth_power\
 520  \
 521  *$screen_brightness\
 522  \
 523  $volume\
 524  \
 525  [$mpd_state]\
 526  \
 527  $weather\
 528  \
 529  $datetime \
 530 "