| 1 | import 'dart:async'; |
| 2 | import 'dart:io'; |
| 3 | import 'dart:typed_data'; |
| 4 | |
| 5 | import 'package:cw_core/utils/print_verbose.dart'; |
| 6 | import 'package:cw_core/utils/proxy_socket/abstract.dart'; |
| 7 | |
| 8 | class ProxySocketSecure implements ProxySocket { |
| 9 | final SecureSocket socket; |
| 10 | |
| 11 | bool isClosed = false; |
| 12 | |
| 13 | ProxySocketSecure(this.socket); |
| 14 | |
| 15 | ProxyAddress get address => |
| 16 | ProxyAddress(host: socket.remoteAddress.host, port: socket.remotePort); |
| 17 | |
| 18 | @override |
| 19 | Future<void> close() async { |
| 20 | try { |
| 21 | if (isClosed) return; |
| 22 | isClosed = true; |
| 23 | return socket.close(); |
| 24 | } catch (e) { |
| 25 | printV("ProxySocketSecure: close: $e"); |
| 26 | return; |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | @override |
| 31 | void destroy() async { |
| 32 | try { |
| 33 | if (isClosed) return; |
| 34 | isClosed = true; |
| 35 | socket.destroy(); |
| 36 | } catch (e) { |
| 37 | printV("ProxySocketSecure: destroy: $e"); |
| 38 | return; |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | @override |
| 43 | void write(String data) { |
| 44 | runZonedGuarded(() { |
| 45 | try { |
| 46 | if (isClosed) { |
| 47 | printV("ProxySocketSecure: write: socket is closed"); |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | socket.write(data); |
| 52 | } catch (e) { |
| 53 | // Catches synchronous errors |
| 54 | printV("ProxySocketSecure: write (sync error): $e"); |
| 55 | } |
| 56 | }, (e, stack) { |
| 57 | // Catches asynchronous errors (like the Bad State from the StreamConsumer) |
| 58 | printV("ProxySocketSecure: write (async error): $e"); |
| 59 | }); |
| 60 | } |
| 61 | |
| 62 | @override |
| 63 | StreamSubscription<List<int>> listen(Function(Uint8List event) onData, |
| 64 | {Function(Object error)? onError, Function()? onDone, bool cancelOnError = true}) { |
| 65 | return socket.listen( |
| 66 | (data) { |
| 67 | onData(Uint8List.fromList(data)); |
| 68 | }, |
| 69 | onError: onError, |
| 70 | onDone: onDone, |
| 71 | cancelOnError: cancelOnError, |
| 72 | ); |
| 73 | } |
| 74 | } |