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