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flet-build-template
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Add random suffix to UDS socket filename 

Appends a random 8-character string to the Unix Domain Socket filename to avoid potential conflicts when multiple instances are running. Introduces a helper function for generating random strings.
This commit is contained in:
Feodor Fitsner 2025-12-12 11:54:09 -08:00
parent 2f0ba42bcb
commit bcff44e8e1
1 changed files with 10 additions and 1 deletions
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11
{{cookiecutter.out_dir}}/lib/main.dart
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@ -1,5 +1,6 @@
import 'dart:async';
import 'dart:io';
import 'dart:math';
import 'package:flet/flet.dart';
import 'package:flutter/foundation.dart';
@ -60,6 +61,13 @@ String pageUrl = "";
String assetsDir = "";
String appDir = "";
Map<String, String> environmentVariables = {};
final _random = Random();
String _randomString(int length) {
const chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
return String.fromCharCodes(Iterable.generate(
length, (_) => chars.codeUnitAt(_random.nextInt(chars.length))));
}
void main(List<String> args) async {
_args = List<String>.from(args);
@ -193,7 +201,8 @@ Future prepareApp() async {
environmentVariables["FLET_SERVER_PORT"] = tcpPort.toString();
} else {
// use UDS on other platforms
pageUrl = "flet_$pid.sock";
var socketSuffix = _randomString(8);
pageUrl = "flet_${pid}_$socketSuffix.sock";
environmentVariables["FLET_SERVER_UDS_PATH"] = pageUrl;
}
}