ui: better website

helper.py

@@ -100,4 +100,33 @@ def rbrunmode_str(rbrunmode):
     elif rbrunmode == "3":
         return "setup TLS callback"
     else:
-        return "Invalid"
+        return "Invalid"
+
+
+def hexdump(data, addr = 0, num = 0):
+    s = ''
+    n = 0
+    lines = []
+    if num == 0: num = len(data)
+
+    if len(data) == 0:
+        return '<empty>'
+
+    for i in range(0, num, 16):
+        line = ''
+        line += '%04x | ' % (addr + i)
+        n += 16
+
+        for j in range(n-16, n):
+            if j >= len(data): break
+            line += '%02x ' % (data[j] & 0xff)
+
+        line += ' ' * (3 * 16 + 7 - len(line)) + ' | '
+
+        for j in range(n-16, n):
+            if j >= len(data): break
+            c = data[j] if not (data[j] < 0x20 or data[j] > 0x7e) else '.'
+            line += '%c' % c
+
+        lines.append(line)
+    return '\n'.join(lines)