115 lines
3.5 KiB
JavaScript
115 lines
3.5 KiB
JavaScript
import { Client, factory } from "@lumeweb/libkernel-universal";
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import { hexToBuf } from "@siaweb/libweb";
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export class SwarmClient extends Client {
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useDefaultSwarm;
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id = 0;
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constructor(useDefaultDht = true) {
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super();
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this.useDefaultSwarm = useDefaultDht;
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}
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get swarm() {
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return this.useDefaultSwarm ? undefined : this.id;
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}
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async connect(pubkey) {
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if (typeof pubkey === "string") {
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const buf = hexToBuf(pubkey);
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pubkey = this.handleErrorOrReturn(buf);
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}
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const resp = this.callModuleReturn("connect", {
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pubkey,
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swarm: this.swarm,
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});
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return createSocket(resp.id);
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}
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async init() {
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return this.callModuleReturn("init", { swarm: this.swarm });
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}
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async ready() {
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await this.callModuleReturn("ready", { swarm: this.swarm });
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this.connectModule("listenConnections", { swarm: this.swarm }, async (socketId) => {
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this.emit("connection", await createSocket(socketId));
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});
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}
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async addRelay(pubkey) {
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return this.callModuleReturn("addRelay", { pubkey, swarm: this.swarm });
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}
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async removeRelay(pubkey) {
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return this.callModuleReturn("removeRelay", { pubkey, swarm: this.swarm });
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}
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async clearRelays() {
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return this.callModuleReturn("clearRelays", { swarm: this.swarm });
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}
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async getRelays() {
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return this.callModuleReturn("getRelays", { swarm: this.swarm });
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}
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async join(topic) {
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this.callModule("join", { id: this.id, topic });
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}
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}
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export class Socket extends Client {
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id;
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eventUpdates = {};
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constructor(id) {
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super();
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this.id = id;
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}
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_remotePublicKey;
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get remotePublicKey() {
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return this._remotePublicKey;
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}
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_rawStream;
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get rawStream() {
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return this._rawStream;
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}
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async setup() {
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let info = await this.callModuleReturn("socketGetInfo", { id: this.id });
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this._remotePublicKey = info.remotePublicKey;
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this._rawStream = info.rawStream;
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}
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on(event, fn, context) {
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const [update, promise] = this.connectModule("socketListenEvent", { id: this.id, event: event }, (data) => {
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this.emit(event, data);
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});
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this.trackEvent(event, update);
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promise.then(() => {
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this.off(event, fn);
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});
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return super.on(event, fn, context);
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}
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off(event, fn, context, once) {
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const updates = [...this.eventUpdates[event]];
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this.eventUpdates[event] = [];
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for (const func of updates) {
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func();
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}
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return super.off(event, fn, context, once);
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}
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write(message) {
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this.callModule("socketWrite", { id: this.id, message });
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}
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end() {
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this.callModule("socketExists", { id: this.id }).then(([exists]) => {
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if (exists) {
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this.callModule("socketClose", { id: this.id });
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}
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});
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}
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ensureEvent(event) {
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if (!(event in this.eventUpdates)) {
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this.eventUpdates[event] = [];
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}
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}
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trackEvent(event, update) {
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this.ensureEvent(event);
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this.eventUpdates[event].push(update);
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}
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}
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const MODULE = "_A7ClA0mSa1-Pg5c4V3C0H_fnhAFjgccITYT83Euc7t_9A";
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export const createClient = factory(SwarmClient, MODULE);
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const socketFactory = factory(Socket, MODULE);
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const createSocket = async (...args) => {
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const socket = socketFactory(...args);
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await socket.setup();
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return socket;
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};
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