Can configure network autostart

virtweb_frontend/src/widgets/forms/IPInput.tsx

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+import { TextInput } from "./TextInput";
+
+export function IPInput(p: {
+  label: string;
+  editable: boolean;
+  value?: string;
+  onValueChange?: (newVal: string | undefined) => void;
+  version: 4 | 6;
+}): React.ReactElement {
+  const { onValueChange, ...props } = p;
+  return (
+    <TextInput
+      onValueChange={(v) => {
+        onValueChange?.(p.version === 4 ? sanitizeIpV4(v) : sanitizeIpV6(v));
+      }}
+      {...props}
+    />
+  );
+}
+
+function sanitizeIpV4(s: string | undefined): string | undefined {
+  if (s === "" || s === undefined) return s;
+
+  let split = s.split(".");
+  if (split.length > 4) split.splice(4);
+
+  let needAnotherIteration = false;
+
+  const res = split
+    .map((v) => {
+      if (v === "") return "";
+
+      const num = Number(v);
+      if (isNaN(num) || num < 0) return "0";
+      if (num > 255) {
+        needAnotherIteration = true;
+        return v.slice(0, 2) + "." + v.slice(2);
+      }
+      return num.toString();
+    })
+    .join(".");
+
+  return needAnotherIteration ? sanitizeIpV4(res) : res;
+}
+
+function sanitizeIpV6(s: string | undefined): string | undefined {
+  if (s === "" || s === undefined) return s;
+
+  const split = s.split(":");
+  if (split.length > 8) split.splice(8);
+
+  let needAnotherIteration = false;
+
+  let res = split
+    .map((e) => {
+      if (e === "") return e;
+
+      const num = parseInt(e, 16);
+      if (isNaN(num)) return "0";
+
+      let s = num.toString(16);
+      if (num > 0xffff) {
+        needAnotherIteration = true;
+        return s.slice(0, 4) + ":" + s.slice(4);
+      }
+
+      return s;
+    })
+    .join(":");
+
+  const firstIndex = res.indexOf("::");
+  let nextIndex = res.lastIndexOf("::");
+  while (nextIndex !== firstIndex) {
+    res = res.slice(0, nextIndex) + res.slice(nextIndex + 1);
+    nextIndex = res.lastIndexOf("::");
+  }
+
+  return needAnotherIteration ? sanitizeIpV6(res) : res;
+}