@@ -0,0 +1,6 @@ 
+P=bandwidth2
+OBJECTS=
+CFLAGS=-g -Wall -Werror -O2 -std=c11
+LDLIBS=
+
+$(P): $(OBJECTS)

@@ -0,0 +1,182 @@ 
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+
+#define RED "#FF7373"
+#define ORANGE "#FFA500"
+
+typedef unsigned long long int ulli;
+
+enum {
+  STATE_OK,
+  STATE_WARNING,
+  STATE_CRITICAL,
+  STATE_UNKNOWN,
+};
+
+void usage(char *argv[])
+{
+  printf("Usage: %s [-b|B] [-t seconds] [-i interface] [-w Bytes:Bytes] [-c Bytes:Bytes] [-h]\n", argv[0]);
+  printf("\n");
+  printf("-b \t\tuse bits/s\n");
+  printf("-B \t\tuse Bytes/s  (default)\n");
+  printf("-t seconds\trefresh time (default is 1)\n");
+  printf("-i interface\tnetwork interface to monitor. If not specified, check all interfaces.\n");
+  printf("-w Bytes:Bytes\tSet warning (color orange) for Rx:Tx bandwidth. (default: none)\n");
+  printf("-c Bytes:Bytes\tSet critical (color red) for Rx:Tx bandwidth. (default: none)\n");
+  printf("-h \t\tthis help\n");
+  printf("\n");
+}
+
+void get_values(char *const iface, time_t * const s, ulli * const received, ulli * const sent)
+{
+  FILE *f;
+
+  f = fopen("/proc/net/dev", "r");
+  if (!f) {
+    fprintf(stderr, "Can't open /proc/net/dev\n");
+    exit(STATE_UNKNOWN);
+  }
+
+  ulli temp_r, temp_s;
+  char line[BUFSIZ];
+  char ifname[BUFSIZ];
+
+  *received = 0;
+  *sent = 0;
+  while (fgets(line, BUFSIZ - 1, f) != NULL) {
+    if (sscanf(line, "%s %llu %*u %*u %*u %*u %*u %*u %*u %llu", ifname, &temp_r, &temp_s) == 3) {
+      if (iface && strcmp(iface, ifname) != 0) {
+        continue;
+      }
+
+      if (strcmp(ifname, "lo:") == 0)
+        continue;
+
+      *received = *received + temp_r;
+      *sent = *sent + temp_s;
+    }
+  }
+
+  fclose(f);
+
+  *s = time(NULL);
+  if (!s) {
+    fprintf(stderr, "Can't get Epoch time\n");
+    exit(STATE_UNKNOWN);
+  }
+}
+
+void display(int const unit, double b, int const warning, int const critical)
+{
+  if (critical != 0 && b > critical) {
+    printf("<span color='%s'>", RED);
+  } else if (warning != 0 && b > warning) {
+    printf("<span color='%s'>", ORANGE);
+  } else {
+    printf("<span>");
+  }
+
+  if (unit == 'b')
+    b = b * 8;
+
+  if (b < 1024) {
+    printf("%5.1lf  %c/s", b, unit);
+  } else if (b < 1024 * 1024) {
+    printf("%5.1lf K%c/s", b / 1024, unit);
+  } else if (b < 1024 * 1024 * 1024) {
+    printf("%5.1lf M%c/s", b / (1024 * 1024), unit);
+  } else {
+    printf("%5.1lf G%c/s", b / (1024 * 1024 * 1024), unit);
+  }
+  printf("</span>");
+}
+
+int main(int argc, char *argv[])
+{
+  int c, unit = 'B', t = 1;
+  char iface[BUFSIZ] = {0};
+  int warningrx = 0, warningtx = 0, criticalrx = 0, criticaltx = 0;
+  char *envvar = NULL;
+  char *label = "";
+
+  envvar = getenv("USE_BITS");
+  if (envvar && *envvar == '1')
+    unit = 'b';
+  envvar = getenv("USE_BYTES");
+  if (envvar && *envvar == '1')
+    unit = 'B';
+  envvar = getenv("REFRESH_TIME");
+  if (envvar)
+    t = atoi(envvar);
+  envvar = getenv("INTERFACE");
+  if (envvar)
+    snprintf(iface, BUFSIZ, "%s:", envvar);
+  envvar = getenv("WARN_RX");
+  if (envvar)
+      warningrx = atoi(envvar);
+  envvar = getenv("WARN_TX");
+  if (envvar)
+      warningtx = atoi(envvar);
+  envvar = getenv("CRIT_RX");
+  if (envvar)
+      criticalrx = atoi(envvar);
+  envvar = getenv("CRIT_TX");
+  if (envvar)
+      criticaltx = atoi(envvar);
+  envvar = getenv("LABEL");
+  if (envvar)
+      label = envvar;
+
+  while (c = getopt(argc, argv, "bBht:i:w:c:"), c != -1) {
+    switch (c) {
+    case 'b':
+    case 'B':
+      unit = c;
+      break;
+    case 't':
+      t = atoi(optarg);
+      break;
+    case 'i':
+      snprintf(iface, BUFSIZ, "%s:", optarg);
+      break;
+    case 'w':
+      sscanf(optarg, "%d:%d", &warningrx, &warningtx);
+      break;
+    case 'c':
+      sscanf(optarg, "%d:%d", &criticalrx, &criticaltx);
+      break;
+    case 'h':
+      usage(argv);
+      return STATE_UNKNOWN;
+    }
+  }
+
+  time_t s, s_old;
+  ulli received, sent, received_old, sent_old;
+  double rx, tx;
+
+  get_values(iface, &s_old, &received_old, &sent_old);
+
+  while (1) {
+    sleep(t);
+    get_values(iface[0] ? iface : NULL, &s, &received, &sent);
+
+    rx = (received - received_old) / (float)(s - s_old);
+    tx = (sent - sent_old) / (float)(s - s_old);
+    printf("%s", label);
+    display(unit, rx, warningrx, criticalrx);
+    printf(" ");
+    display(unit, tx, warningtx, criticaltx);
+    printf("\n");
+    fflush(stdout);
+    s_old = s;
+    received_old = received;
+    sent_old = sent;
+  }
+
+  return STATE_OK;
+}

@@ -0,0 +1,13 @@ 
+percent=$(acpi | awk '{print $4}')
+state=$(acpi | awk '{print $3}' | tr -d ',')
+
+case $state in
+    Charging)
+        symbol="<span font='Font Awesome 5 Free 9'>\uf0e7</span>"
+        ;;
+    *)
+        symbol="<span font='Icons 11'>\uf213 </span>"
+        ;;
+esac
+
+echo -e "$symbol $percent"

@@ -0,0 +1,28 @@ 
+[disk]
+command=~/.config/i3blocks/disk
+interval=30
+markup=pango
+
+[cpu_load]
+command=~/.config/i3blocks/cpu_load.sh
+interval=5
+
+#[bandwidth]
+#command=~/.config/i3blocks/bandwidth2 
+#interval=persist
+#markup=pango
+
+[newsboat]
+markup=pango
+command=~/.config/i3blocks/newsboat.sh
+interval=900
+
+[battery]
+markup=pango
+command=~/.config/i3blocks/battery.sh
+interval=10
+
+[time]
+markup=pango
+interval=1
+command=date +"%a, %d %b %Y  ╱  <b>%I:%M %P</b>"

@@ -0,0 +1,20 @@ 
+#!/bin/sh
+
+load="$(cut -d ' ' -f1 /proc/loadavg)"
+cpus="$(nproc)"
+
+# full text
+echo "$load"
+
+# short text
+echo "$load"
+
+# color if load is too high
+awk -v cpus=$cpus -v cpuload=$load '
+    BEGIN {
+        if (cpus <= cpuload) {
+            print "#FF0000";
+            exit 33;
+        }
+    }
+'

@@ -0,0 +1,5 @@ 
+#!/bin/sh
+
+avail=$(df -B 1 ~/ | awk 'NR==2 {printf "%0.1fGiB", $4/1024/1024/1024}')
+icon="<span font='Font Awesome 5 Free'>\uf0a0</span>"
+echo -e $icon $avail

@@ -0,0 +1,10 @@ 
+#!/bin/sh
+count=$(newsboat -x "reload" && newsboat -x "print-unread" | awk '{print $1}')
+icon=$(echo -en "<span font='Font Awesome 5 Free'>\uf09e</span>")
+
+if [ $count -gt 0 ];
+then
+    echo "<span color='#00FF00'>$icon $count</span>"
+else
+    echo "$icon $count"
+fi