86 lines
3.3 KiB
JavaScript
Executable File
86 lines
3.3 KiB
JavaScript
Executable File
#!/usr/bin/env -S node --es-module-specifier-resolution=node
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//---------------------------------------------------------------------------
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// @syndicate-lang/core, an implementation of Syndicate dataspaces for JS.
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// Copyright (C) 2016-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
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//
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// This program 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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//
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// This program 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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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//---------------------------------------------------------------------------
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import { Dataspace, Skeleton, Ground, Record, Discard, Capture, Observe } from '../lib/index';
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const __ = Discard._instance;
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const _$ = Capture(__);
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const BoxState = Record.makeConstructor('BoxState', ['value']);
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const SetBox = Record.makeConstructor('SetBox', ['newValue']);
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const N = 100000;
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console.time('box-and-client-' + N.toString());
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new Ground(groundRoot => {
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groundRoot.spawn('box', function (boxRoot) {
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boxRoot.actor.dataspace.declareField(this, 'value', 0);
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boxRoot.addEndpoint(() => {
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// console.log('recomputing published BoxState', this.value);
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return { assertion: BoxState(this.value), analysis: null };
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});
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boxRoot.addDataflow(() => {
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// console.log('dataflow saw new value', this.value);
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if (this.value === N) {
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boxRoot.stop(() => {
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console.log('terminated box root facet');
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});
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}
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});
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boxRoot.addEndpoint(() => {
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let analysis = Skeleton.analyzeAssertion(SetBox(_$));
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analysis.callback = boxRoot.wrap((facet, evt, vs) => {
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if (evt === Skeleton.EventType.MESSAGE) {
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boxRoot.scheduleScript(() => {
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this.value = vs[0];
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// console.log('box updated value', vs[0]);
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});
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}
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});
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return { assertion: Observe(SetBox(_$)), analysis };
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});
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});
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groundRoot.spawn('client', function (clientRoot) {
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clientRoot.addEndpoint(() => {
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let analysis = Skeleton.analyzeAssertion(BoxState(_$));
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analysis.callback = clientRoot.wrap((facet, evt, vs) => {
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if (evt === Skeleton.EventType.ADDED) {
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clientRoot.scheduleScript(() => {
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// console.log('client sending SetBox', vs[0] + 1);
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clientRoot.send(SetBox(vs[0] + 1));
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});
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}
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});
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return { assertion: Observe(BoxState(_$)), analysis };
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});
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clientRoot.addEndpoint(() => {
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let analysis = Skeleton.analyzeAssertion(BoxState(__));
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analysis.callback = clientRoot.wrap((facet, evt, _vs) => {
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if (evt === Skeleton.EventType.REMOVED) {
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clientRoot.scheduleScript(() => {
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console.log('box gone');
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});
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}
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});
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return { assertion: Observe(BoxState(__)), analysis };
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});
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});
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}).addStopHandler(() => console.timeEnd('box-and-client-' + N.toString())).start();
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