Simpler wload

This commit is contained in:
Tony Garnock-Jones 2021-03-02 16:42:53 +01:00
parent 9b904ee4df
commit b922a53d6a
5 changed files with 58 additions and 53 deletions

View File

@ -4,7 +4,7 @@
"typescript": "^4.1.5"
},
"dependencies": {
"preserves": "^0.6.0"
"preserves": "^0.6.1"
},
"scripts": {
"compile": "npx tsc",

View File

@ -102,9 +102,7 @@ export function isRef(v: any): v is Ref {
}
let nextActorId = 0;
// export function __setNextActorId(v: number) {
// nextActorId = v;
// }
export const __setNextActorId = (v: number) => nextActorId = v;
export class Actor {
readonly id = nextActorId++;

View File

@ -64,7 +64,7 @@ Turn.for(new Actor(), async (t: Turn) => {
const boxpath = path.join(__dirname, 'box.js');
const clientpath = path.join(__dirname, 'client.js');
spawnModule(t, boxpath, [ds, 500000, 25000]);
spawnModule(t, boxpath, [ds_for_box, 500000, 25000]);
// spawnWorker(t, boxpath, [ds_for_box, 50000, 2500]);
spawnModule(t, clientpath, ds_for_client);

View File

@ -122,6 +122,13 @@ export const INERT_REF: Ref = {
export type PacketWriter = (bs: Uint8Array) => void;
export interface RelayOptions {
packetWriter: PacketWriter;
setup(t: Turn, r: Relay): void;
debug?: boolean;
}
export class Relay {
readonly actor: Actor;
readonly w: PacketWriter;
@ -136,10 +143,11 @@ export class Relay {
pendingTurn: TurnMessage = [];
debug: boolean;
constructor(actor: Actor, w: PacketWriter, debug: boolean) {
this.actor = actor;
this.w = w;
this.debug = debug;
constructor(t: Turn, options: RelayOptions) {
this.actor = t.actor;
this.w = options.packetWriter;
this.debug = options.debug ?? false;
options.setup(t, this);
}
rewriteOut(assertion: Assertion, transient: boolean): [Value<WireRef>, Array<WireSymbol>]
@ -297,19 +305,16 @@ function invalidTopLevelMessage(m: Value<WireRef>): never {
`Received invalid top-level protocol message from peer: ${m.asPreservesText()}`);
}
export type RelayOptions = {
packetWriter: PacketWriter,
setup(t: Turn, r: Relay): void,
initialOid?: Oid,
initialRef?: Ref,
debug?: boolean,
};
export interface RelayActorOptions extends RelayOptions {
initialOid?: Oid;
initialRef?: Ref;
nextLocalOid?: Oid;
}
export function spawnRelay(t: Turn, options: RelayOptions): Promise<Ref | null> {
export function spawnRelay(t: Turn, options: RelayActorOptions): Promise<Ref | null> {
return new Promise(resolve => {
t.spawn(t => {
const relay = new Relay(t.actor, options.packetWriter, options.debug ?? false);
options.setup(t, relay);
const relay = new Relay(t, options);
if (options.initialRef !== void 0) {
relay.rewriteRefOut(options.initialRef, false, null);
}
@ -318,6 +323,9 @@ export function spawnRelay(t: Turn, options: RelayOptions): Promise<Ref | null>
} else {
resolve(null);
}
if (options.nextLocalOid !== void 0) {
relay.nextLocalOid = (options.nextLocalOid === 0) ? 1 : options.nextLocalOid;
}
});
});
}

View File

@ -1,32 +1,30 @@
// Web Worker loader
import { Actor, Turn, Assertion, Handle, Ref } from './actor.js';
import { Actor, Turn, Assertion, Handle, Ref, __setNextActorId } from './actor.js';
import { IdentityMap, Record } from 'preserves';
import { parentPort } from 'worker_threads';
import { parentPort, threadId } from 'worker_threads';
import { Relay, spawnRelay } from './relay.js';
import { Dataspace, Observe } from './dataspace.js';
const _Instance = Symbol.for('Instance');
const Instance = Record.makeConstructor<{moduleName: string, arg: Assertion}>()(
_Instance, ['moduleName', 'arg']);
const STARTING_ACTOR_ID = (threadId & (2 ** 20 - 1)) * 1000000000;
__setNextActorId(STARTING_ACTOR_ID);
Turn.for(new Actor(), t => {
const p = parentPort!;
const ds = t.ref(new Dataspace());
spawnRelay(t, {
nextLocalOid: STARTING_ACTOR_ID + 500000000,
packetWriter: bs => p.postMessage(bs),
setup(t: Turn, r: Relay) {
p.on('message', bs => r.accept(bs));
p.on('close', () => Turn.for(t.actor, t => t.quit()));
},
initialRef: ds,
// debug: true,
});
t.assert(ds, Observe(Instance.constructorInfo.label, t.ref({
initialRef: t.ref({
handleMap: new IdentityMap<Handle, false | Ref>(),
async assert(t, inst0, handle) {
// console.log('+Factory:', handle, inst0);
const inst = inst0 as ReturnType<typeof Instance>;
async assert(t, inst, handle) {
if (!Instance.isClassOf(inst)) return;
const m = await import(Instance._.moduleName(inst));
t.freshen(t => t.spawn(t => {
const q = (t: Turn) => {
@ -42,7 +40,6 @@ Turn.for(new Actor(), t => {
}));
},
retract(t, handle) {
// console.log('-Factory:', handle);
const r = this.handleMap.get(handle);
if (r === void 0) {
this.handleMap.set(handle, false);
@ -50,5 +47,7 @@ Turn.for(new Actor(), t => {
t.message(r as Ref, true);
}
}
})));
}),
// debug: true,
});
});