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Socket null handling (#1610)

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* return null if in connection failure state

* reconnect on connection failure

* better connection handling

* probably not necessary but just incase

* connection handling updates

* add cancelOnError: true
This commit is contained in:
Matthew Fosse 2024-08-17 19:28:45 -04:00 • committed by GitHub
parent 83ef61e928
commit 7c9b72483a
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2 changed files with 40 additions and 36 deletions
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54
cw_bitcoin/lib/electrum.dart
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@ -66,6 +66,7 @@ class ElectrumClient {
try {
await socket?.close();
socket = null;
} catch (_) {}
try {
@ -90,33 +91,40 @@ class ElectrumClient {
}
_setConnectionStatus(ConnectionStatus.connected);
socket!.listen((Uint8List event) {
try {
final msg = utf8.decode(event.toList());
final messagesList = msg.split("\n");
for (var message in messagesList) {
if (message.isEmpty) {
continue;
socket!.listen(
(Uint8List event) {
try {
final msg = utf8.decode(event.toList());
final messagesList = msg.split("\n");
for (var message in messagesList) {
if (message.isEmpty) {
continue;
}
_parseResponse(message);
}
_parseResponse(message);
} catch (e) {
print(e.toString());
}
} catch (e) {
print(e.toString());
}
}, onError: (Object error) {
final errorMsg = error.toString();
print(errorMsg);
unterminatedString = '';
},
onError: (Object error) {
socket = null;
final errorMsg = error.toString();
print(errorMsg);
unterminatedString = '';
final currentHost = socket?.address.host;
final isErrorForCurrentHost = errorMsg.contains(" ${currentHost} ");
final currentHost = socket?.address.host;
final isErrorForCurrentHost = errorMsg.contains(" ${currentHost} ");
if (currentHost != null && isErrorForCurrentHost)
_setConnectionStatus(ConnectionStatus.failed);
}, onDone: () {
unterminatedString = '';
if (host == socket?.address.host) _setConnectionStatus(ConnectionStatus.disconnected);
});
if (currentHost != null && isErrorForCurrentHost)
_setConnectionStatus(ConnectionStatus.failed);
},
onDone: () {
socket = null;
unterminatedString = '';
if (host == socket?.address.host) _setConnectionStatus(ConnectionStatus.disconnected);
},
cancelOnError: true,
);
keepAlive();
}