Asynchronous ground dataspace
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70c2215de8
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@ -21,6 +21,7 @@ const Immutable = require('immutable');
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const Syndicate = require('../src/index.js');
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const Skeleton = Syndicate.Skeleton;
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const Dataspace = Syndicate.Dataspace;
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const Ground = Syndicate.Ground.Ground;
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const Struct = Syndicate.Struct;
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const __ = Syndicate.__;
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const _$ = Syndicate._$;
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@ -32,7 +33,7 @@ const N = 100000;
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console.time('box-and-client-' + N.toString());
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let ds = new Dataspace(() => {
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new Ground(() => {
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Dataspace.spawn('box', function () {
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Dataspace.declareField(this, 'value', 0);
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Dataspace.currentFacet().addEndpoint(() => {
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@ -73,12 +74,6 @@ let ds = new Dataspace(() => {
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return [Syndicate.Observe(BoxState(_$)), handler];
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});
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});
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});
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// console.log('--- starting ---');
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while (ds.runScripts()) {
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// console.log('--- runScripts boundary ---');
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}
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// console.log('--- done ---');
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console.timeEnd('box-and-client-' + N.toString());
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}).start().stopHandler = () => {
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console.timeEnd('box-and-client-' + N.toString());
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};
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@ -0,0 +1,51 @@
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"use strict";
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const Immutable = require('immutable');
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const Dataspace = require('./dataspace.js').Dataspace;
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function Ground(bootProc) {
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this.stepperId = null;
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this.stepping = false;
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this.startingFuel = 1000;
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this.dataspace = new Dataspace(bootProc);
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this.stopHandler = function () {};
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}
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Ground.prototype.start = function () {
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if (!this.stepperId) {
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this.stepperId = setTimeout(() => {
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this.stepperId = null;
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this._step();
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}, 0);
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}
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return this; // allows chaining start() immediately after construction
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};
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Ground.prototype._step = function () {
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this.stepping = true;
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try {
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let stillBusy = false;
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for (var fuel = this.startingFuel; fuel > 0; fuel--) {
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stillBusy = this.dataspace.runScripts();
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if (!stillBusy) break;
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}
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if (stillBusy) {
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this.start();
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} else {
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if (this.stopHandler) {
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this.stopHandler(this);
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}
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}
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} finally {
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this.stepping = false;
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}
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};
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Ground.prototype.stop = function () {
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if (this.stepperId) {
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clearTimeout(this.stepperId);
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this.stepperId = null;
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}
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};
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module.exports.Ground = Ground;
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@ -20,6 +20,7 @@
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const Struct = require('./struct.js');
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const Skeleton = require('./skeleton.js');
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const Dataspace = require('./dataspace.js');
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const Ground = require('./ground.js');
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const Assertions = require('./assertions.js');
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module.exports.Immutable = require('immutable');
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@ -33,6 +34,7 @@ module.exports._$ = Skeleton._$;
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module.exports._Dataspace = Dataspace;
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module.exports.Dataspace = Dataspace.Dataspace;
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module.exports.Ground = Ground;
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module.exports._Assertions = Assertions;
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module.exports.Observe = Assertions.Observe;
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