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112 lines
2.8 KiB
112 lines
2.8 KiB
/*
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Copyright 2019 fuwa
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This file is part of CyberWOW.
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CyberWOW is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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CyberWOW is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with CyberWOW. If not, see <https://www.gnu.org/licenses/>.
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*/
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import 'dart:async';
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import 'dart:collection';
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import '../logic/sensor/rpc/rpc.dart' as rpc;
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import '../logic/sensor/daemon.dart' as daemon;
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import '../logic/controller/refresh.dart' as refresh;
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import '../config.dart' as config;
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import '../logging.dart';
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import 'prototype.dart';
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import 'synced.dart';
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import 'exiting.dart';
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class SyncingState extends AppState {
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final Queue<String> stdout = Queue();
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bool synced = false;
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SyncingState(appHook) : super (appHook);
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void append(final String msg) {
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stdout.addLast(msg);
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while (stdout.length > config.stdoutLineBufferSize) {
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stdout.removeFirst();
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}
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syncState();
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}
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Future<AppState> next
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(
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StreamSink<String> processInput, Stream<String> processOutput
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) async {
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log.fine("Syncing next");
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Future<void> printStdout() async {
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await for (final line in processOutput) {
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if (synced) break;
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log.finest('syncing: print stdout loop');
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append(line);
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log.info(line);
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}
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}
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Future<void> checkSync() async {
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await for (final _null in refresh.pull(appHook.getNotification, 'syncingState')) {
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log.finer('SyncingState: checkSync loop');
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if (appHook.isExiting()) {
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log.fine('Syncing state detected exiting');
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break;
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}
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// here doc is wrong, targetHeight could match height when synced
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// potential bug, targetHeight could be smaller then height
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final _isConnected = await daemon.isConnected();
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final _isSynced = await daemon.isSynced();
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if (_isConnected && _isSynced) {
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synced = true;
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break;
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}
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}
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}
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printStdout();
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await checkSync();
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if (appHook.isExiting()) {
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ExitingState _next = ExitingState
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(
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appHook, stdout, processOutput
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);
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return moveState(_next);
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}
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log.fine('syncing: loop exit');
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// processInput.add('exit');
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final _height = await rpc.height();
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SyncedState _next = SyncedState
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(
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appHook, stdout, processInput, processOutput, 1,
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);
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_next.height = _height;
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return moveState(_next);
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}
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}
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