forked from wownero/cyberwow
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102 lines
2.5 KiB
102 lines
2.5 KiB
5 years ago
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/*
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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 '../controller/rpc/rpc.dart' as rpc;
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import '../controller/daemon.dart' as daemon;
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import '../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 ReSyncingState extends AppState {
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final Queue<String> stdout;
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final StreamSink<String> processInput;
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final Stream<String> processOutput;
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final int pageIndex;
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bool synced = false;
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ReSyncingState(appHook, this.stdout, this.processInput, this.processOutput, this.pageIndex)
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: 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() async {
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log.fine("ReSyncing 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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// print('re-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, 'ReSyncingState')) {
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if (appHook.isExiting()) {
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log.fine('ReSyncing state detected exiting');
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break;
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}
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if (await daemon.isSynced()) {
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synced = true;
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break;
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}
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// print('re-syncing: checkSync loop');
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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('resync: await exit');
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SyncedState _next = SyncedState
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(
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appHook, stdout, processInput, processOutput, pageIndex
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);
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_next.height = await rpc.height();
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return moveState(_next);
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}
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}
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