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CH-J SM Mobile
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CH-J / SM Mobile
134 файлы
sm-mobile-20261016T050549Z-3678f2a05fa9
Добавлено: · Построено:
1
import 'dart:async';2
import 'dart:io';3
import '../models/server_profile.dart';5
class ProbeResult {6
final List<String> addresses;7
final int tcpMs;8
ProbeResult(this.addresses, this.tcpMs);9
}11
class Diagnostics {12
Future<ProbeResult> probe(13
String host,14
int port, {15
InternetAddressType type = InternetAddressType.any,16
}) async {17
normalizeHost(host);18
final addresses = await InternetAddress.lookup(19
host,20
type: type,21
).timeout(const Duration(seconds: 10));22
final deadline = DateTime.now().add(const Duration(seconds: 10));23
Object lastError = const SocketException('No address for requested family');24
for (final address in addresses) {25
final remaining = deadline.difference(DateTime.now());26
if (remaining <= Duration.zero) throw TimeoutException('TCP');27
final watch = Stopwatch()..start();28
try {29
final socket = await Socket.connect(address, port, timeout: remaining);30
socket.destroy();31
return ProbeResult(32
addresses.map((a) => a.address).toList(),33
watch.elapsedMilliseconds,34
);35
} catch (e) {36
lastError = e;37
}38
}39
throw lastError;40
}41
}SHA-256
47a0ad1903b4272d279f80926c68e826f9e18535bd2a939b4958b38e93489494CH-J Proprietary Software License 1.14 · Источник представлен в CH-J Proprietary Software License 1.14. Его наличие не изменяет лицензионных условий и не предоставляет дополнительных прав.
Архив SHA-256
c486a807e4828998b9c57ab0f2e760f7980b31965fe118e89d3e1a5a2b65be65