mirror of
https://github.com/toeverything/AFFiNE.git
synced 2026-02-12 12:28:42 +00:00
refactor: remove package @affine/datacenter (#1705)
This commit is contained in:
Himself65
@@ -3,7 +3,7 @@
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*/
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import 'fake-indexeddb/auto';
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import { MessageCode } from '@affine/datacenter';
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import { MessageCode } from '@affine/env/constant';
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import userA from '@affine-test/fixtures/userA.json';
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import { assertExists } from '@blocksuite/global/utils';
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import { Workspace } from '@blocksuite/store';
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@@ -295,13 +295,14 @@ export function createWorkspaceApis(prefixUrl = '/') {
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throw new RequestError(MessageCode.acceptInvitingFailed, e);
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});
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},
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uploadBlob: async (params: { blob: Blob }): Promise<string> => {
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uploadBlob: async (workspaceId: string, blob: Blob): Promise<string> => {
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const auth = getLoginStorage();
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assertExists(auth);
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return fetch(prefixUrl + 'api/blob', {
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method: 'PUT',
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body: params.blob,
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body: blob,
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headers: {
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'Content-Type': blob.type,
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Authorization: auth.token,
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},
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}).then(r => r.text());
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508
packages/workspace/src/affine/sync.js
Normal file
508
packages/workspace/src/affine/sync.js
Normal file
@@ -0,0 +1,508 @@
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/* eslint-disable no-undef */
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/**
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* @module provider/websocket
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*/
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/* eslint-env browser */
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// import * as Y from 'yjs'; // eslint-disable-line
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import * as bc from 'lib0/broadcastchannel';
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import * as decoding from 'lib0/decoding';
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import * as encoding from 'lib0/encoding';
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import * as math from 'lib0/math';
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import { Observable } from 'lib0/observable';
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import * as time from 'lib0/time';
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import * as url from 'lib0/url';
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import * as authProtocol from 'y-protocols/auth';
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import * as awarenessProtocol from 'y-protocols/awareness';
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import * as syncProtocol from 'y-protocols/sync';
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export const messageSync = 0;
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export const messageQueryAwareness = 3;
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export const messageAwareness = 1;
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export const messageAuth = 2;
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/**
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* encoder, decoder, provider, emitSynced, messageType
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* @type {Array<function(encoding.Encoder, decoding.Decoder, WebsocketProvider, boolean, number):void>}
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*/
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const messageHandlers = [];
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messageHandlers[messageSync] = (
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encoder,
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decoder,
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provider,
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emitSynced,
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_messageType
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) => {
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encoding.writeVarUint(encoder, messageSync);
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const syncMessageType = syncProtocol.readSyncMessage(
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decoder,
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encoder,
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provider.doc,
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provider
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);
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if (
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emitSynced &&
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syncMessageType === syncProtocol.messageYjsSyncStep2 &&
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!provider.synced
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) {
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provider.synced = true;
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}
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};
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messageHandlers[messageQueryAwareness] = (
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encoder,
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_decoder,
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provider,
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_emitSynced,
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_messageType
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) => {
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encoding.writeVarUint(encoder, messageAwareness);
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encoding.writeVarUint8Array(
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encoder,
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awarenessProtocol.encodeAwarenessUpdate(
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provider.awareness,
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Array.from(provider.awareness.getStates().keys())
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)
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);
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};
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messageHandlers[messageAwareness] = (
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_encoder,
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decoder,
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provider,
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_emitSynced,
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_messageType
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) => {
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awarenessProtocol.applyAwarenessUpdate(
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provider.awareness,
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decoding.readVarUint8Array(decoder),
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provider
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);
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};
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messageHandlers[messageAuth] = (
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_encoder,
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decoder,
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provider,
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_emitSynced,
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_messageType
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) => {
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authProtocol.readAuthMessage(decoder, provider.doc, (_ydoc, reason) =>
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permissionDeniedHandler(provider, reason)
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);
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};
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// @todo - this should depend on awareness.outdatedTime
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const messageReconnectTimeout = 30000;
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/**
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* @param {WebsocketProvider} provider
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* @param {string} reason
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*/
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const permissionDeniedHandler = (provider, reason) =>
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console.warn(`Permission denied to access ${provider.url}.\n${reason}`);
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/**
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* @param {WebsocketProvider} provider
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* @param {Uint8Array} buf
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* @param {boolean} emitSynced
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* @return {encoding.Encoder}
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*/
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const readMessage = (provider, buf, emitSynced) => {
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const decoder = decoding.createDecoder(buf);
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const encoder = encoding.createEncoder();
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const messageType = decoding.readVarUint(decoder);
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const messageHandler = provider.messageHandlers[messageType];
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if (/** @type {any} */ (messageHandler)) {
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messageHandler(encoder, decoder, provider, emitSynced, messageType);
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} else {
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console.error('Unable to compute message');
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}
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return encoder;
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};
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/**
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* @param {WebsocketProvider} provider
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*/
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const setupWS = provider => {
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if (provider.shouldConnect && provider.ws === null) {
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const websocket = new provider._WS(provider.url);
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websocket.binaryType = 'arraybuffer';
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provider.ws = websocket;
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provider.wsconnecting = true;
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provider.wsconnected = false;
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provider.synced = false;
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websocket.onmessage = event => {
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provider.wsLastMessageReceived = time.getUnixTime();
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const encoder = readMessage(provider, new Uint8Array(event.data), true);
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if (encoding.length(encoder) > 1) {
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websocket.send(encoding.toUint8Array(encoder));
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}
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};
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websocket.onerror = event => {
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provider.emit('connection-error', [event, provider]);
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};
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websocket.onclose = event => {
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provider.emit('connection-close', [event, provider]);
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provider.ws = null;
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provider.wsconnecting = false;
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if (provider.wsconnected) {
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provider.wsconnected = false;
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provider.synced = false;
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// update awareness (all users except local left)
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awarenessProtocol.removeAwarenessStates(
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provider.awareness,
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Array.from(provider.awareness.getStates().keys()).filter(
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client => client !== provider.doc.clientID
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),
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provider
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);
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provider.emit('status', [
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{
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status: 'disconnected',
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},
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]);
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} else {
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provider.wsUnsuccessfulReconnects++;
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}
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// Start with no reconnect timeout and increase timeout by
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// using exponential backoff starting with 100ms
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setTimeout(
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setupWS,
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math.min(
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math.pow(2, provider.wsUnsuccessfulReconnects) * 100,
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provider.maxBackoffTime
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),
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provider
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);
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};
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websocket.onopen = () => {
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provider.wsLastMessageReceived = time.getUnixTime();
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provider.wsconnecting = false;
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provider.wsconnected = true;
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provider.wsUnsuccessfulReconnects = 0;
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provider.emit('status', [
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{
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status: 'connected',
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},
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]);
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// always send sync step 1 when connected
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const encoder = encoding.createEncoder();
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encoding.writeVarUint(encoder, messageSync);
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syncProtocol.writeSyncStep1(encoder, provider.doc);
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websocket.send(encoding.toUint8Array(encoder));
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// broadcast local awareness state
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if (provider.awareness.getLocalState() !== null) {
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const encoderAwarenessState = encoding.createEncoder();
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encoding.writeVarUint(encoderAwarenessState, messageAwareness);
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encoding.writeVarUint8Array(
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encoderAwarenessState,
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awarenessProtocol.encodeAwarenessUpdate(provider.awareness, [
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provider.doc.clientID,
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])
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);
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websocket.send(encoding.toUint8Array(encoderAwarenessState));
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}
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};
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provider.emit('status', [
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{
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status: 'connecting',
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},
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]);
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}
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};
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/**
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* @param {WebsocketProvider} provider
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* @param {ArrayBuffer} buf
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*/
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const broadcastMessage = (provider, buf) => {
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if (provider.wsconnected) {
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/** @type {WebSocket} */ (provider.ws).send(buf);
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}
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if (provider.bcconnected) {
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bc.publish(provider.bcChannel, buf, provider);
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}
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};
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/**
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* Websocket Provider for Yjs. Creates a websocket connection to sync the shared document.
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* The document name is attached to the provided url. I.e. the following example
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* creates a websocket connection to http://localhost:1234/my-document-name
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*
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* @example
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* import * as Y from 'yjs'
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* import { WebsocketProvider } from 'y-websocket'
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* const doc = new Y.Doc()
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* const provider = new WebsocketProvider('http://localhost:1234', 'my-document-name', doc)
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*
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* @extends {Observable<string>}
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*/
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export class WebsocketProvider extends Observable {
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/**
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* @param {string} serverUrl
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* @param {string} roomname
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* @param {Y.Doc} doc
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* @param {object} [opts]
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* @param {boolean} [opts.connect]
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* @param {awarenessProtocol.Awareness} [opts.awareness]
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* @param {Object<string,string>} [opts.params]
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* @param {typeof WebSocket} [opts.WebSocketPolyfill] Optionall provide a WebSocket polyfill
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* @param {number} [opts.resyncInterval] Request server state every `resyncInterval` milliseconds
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* @param {number} [opts.maxBackoffTime] Maximum amount of time to wait before trying to reconnect (we try to reconnect using exponential backoff)
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* @param {boolean} [opts.disableBc] Disable cross-tab BroadcastChannel communication
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*/
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constructor(
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serverUrl,
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roomname,
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doc,
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{
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connect = true,
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awareness = new awarenessProtocol.Awareness(doc),
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params = {},
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WebSocketPolyfill = WebSocket,
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resyncInterval = -1,
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maxBackoffTime = 2500,
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disableBc = false,
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} = {}
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) {
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super();
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// ensure that url is always ends with /
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while (serverUrl[serverUrl.length - 1] === '/') {
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serverUrl = serverUrl.slice(0, serverUrl.length - 1);
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}
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const encodedParams = url.encodeQueryParams(params);
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this.maxBackoffTime = maxBackoffTime;
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this.bcChannel = serverUrl + '/' + roomname;
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this.url =
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serverUrl +
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'/' +
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roomname +
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(encodedParams.length === 0 ? '' : '?' + encodedParams);
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this.roomname = roomname;
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this.doc = doc;
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this._WS = WebSocketPolyfill;
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this.awareness = awareness;
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this.wsconnected = false;
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this.wsconnecting = false;
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this.bcconnected = false;
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this.disableBc = disableBc;
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this.wsUnsuccessfulReconnects = 0;
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this.messageHandlers = messageHandlers.slice();
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/**
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* @type {boolean}
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*/
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this._synced = false;
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/**
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* @type {WebSocket?}
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*/
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this.ws = null;
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this.wsLastMessageReceived = 0;
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/**
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* Whether to connect to other peers or not
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* @type {boolean}
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*/
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this.shouldConnect = connect;
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/**
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* @type {number}
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*/
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this._resyncInterval = 0;
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if (resyncInterval > 0) {
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this._resyncInterval = /** @type {any} */ (
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setInterval(() => {
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if (this.ws && this.ws.readyState === WebSocket.OPEN) {
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// resend sync step 1
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const encoder = encoding.createEncoder();
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encoding.writeVarUint(encoder, messageSync);
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syncProtocol.writeSyncStep1(encoder, doc);
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this.ws.send(encoding.toUint8Array(encoder));
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}
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}, resyncInterval)
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);
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}
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|
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/**
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* @param {ArrayBuffer} data
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* @param {any} origin
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*/
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this._bcSubscriber = (data, origin) => {
|
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if (origin !== this) {
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const encoder = readMessage(this, new Uint8Array(data), false);
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if (encoding.length(encoder) > 1) {
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bc.publish(this.bcChannel, encoding.toUint8Array(encoder), this);
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||||
}
|
||||
}
|
||||
};
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||||
/**
|
||||
* Listens to Yjs updates and sends them to remote peers (ws and broadcastchannel)
|
||||
* @param {Uint8Array} update
|
||||
* @param {any} origin
|
||||
*/
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||||
this._updateHandler = (update, origin) => {
|
||||
if (origin !== this) {
|
||||
const encoder = encoding.createEncoder();
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||||
encoding.writeVarUint(encoder, messageSync);
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||||
syncProtocol.writeUpdate(encoder, update);
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||||
broadcastMessage(this, encoding.toUint8Array(encoder));
|
||||
}
|
||||
};
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||||
this.doc.on('update', this._updateHandler);
|
||||
/**
|
||||
* @param {any} changed
|
||||
* @param {any} _origin
|
||||
*/
|
||||
this._awarenessUpdateHandler = ({ added, updated, removed }, _origin) => {
|
||||
const changedClients = added.concat(updated).concat(removed);
|
||||
const encoder = encoding.createEncoder();
|
||||
encoding.writeVarUint(encoder, messageAwareness);
|
||||
encoding.writeVarUint8Array(
|
||||
encoder,
|
||||
awarenessProtocol.encodeAwarenessUpdate(awareness, changedClients)
|
||||
);
|
||||
broadcastMessage(this, encoding.toUint8Array(encoder));
|
||||
};
|
||||
this._unloadHandler = () => {
|
||||
awarenessProtocol.removeAwarenessStates(
|
||||
this.awareness,
|
||||
[doc.clientID],
|
||||
'window unload'
|
||||
);
|
||||
};
|
||||
if (typeof window !== 'undefined') {
|
||||
window.addEventListener('unload', this._unloadHandler);
|
||||
} else if (typeof process !== 'undefined') {
|
||||
process.on('exit', this._unloadHandler);
|
||||
}
|
||||
awareness.on('update', this._awarenessUpdateHandler);
|
||||
this._checkInterval = /** @type {any} */ (
|
||||
setInterval(() => {
|
||||
if (
|
||||
this.wsconnected &&
|
||||
messageReconnectTimeout <
|
||||
time.getUnixTime() - this.wsLastMessageReceived
|
||||
) {
|
||||
// no message received in a long time - not even your own awareness
|
||||
// updates (which are updated every 15 seconds)
|
||||
/** @type {WebSocket} */ (this.ws).close();
|
||||
}
|
||||
}, messageReconnectTimeout / 10)
|
||||
);
|
||||
if (connect) {
|
||||
this.connect();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @type {boolean}
|
||||
*/
|
||||
get synced() {
|
||||
return this._synced;
|
||||
}
|
||||
|
||||
set synced(state) {
|
||||
if (this._synced !== state) {
|
||||
this._synced = state;
|
||||
this.emit('synced', [state]);
|
||||
this.emit('sync', [state]);
|
||||
}
|
||||
}
|
||||
|
||||
destroy() {
|
||||
if (this._resyncInterval !== 0) {
|
||||
clearInterval(this._resyncInterval);
|
||||
}
|
||||
clearInterval(this._checkInterval);
|
||||
this.disconnect();
|
||||
if (typeof window !== 'undefined') {
|
||||
window.removeEventListener('unload', this._unloadHandler);
|
||||
} else if (typeof process !== 'undefined') {
|
||||
process.off('exit', this._unloadHandler);
|
||||
}
|
||||
this.awareness.off('update', this._awarenessUpdateHandler);
|
||||
this.doc.off('update', this._updateHandler);
|
||||
super.destroy();
|
||||
}
|
||||
|
||||
connectBc() {
|
||||
if (this.disableBc) {
|
||||
return;
|
||||
}
|
||||
if (!this.bcconnected) {
|
||||
bc.subscribe(this.bcChannel, this._bcSubscriber);
|
||||
this.bcconnected = true;
|
||||
}
|
||||
// send sync step1 to bc
|
||||
// write sync step 1
|
||||
const encoderSync = encoding.createEncoder();
|
||||
encoding.writeVarUint(encoderSync, messageSync);
|
||||
syncProtocol.writeSyncStep1(encoderSync, this.doc);
|
||||
bc.publish(this.bcChannel, encoding.toUint8Array(encoderSync), this);
|
||||
// broadcast local state
|
||||
const encoderState = encoding.createEncoder();
|
||||
encoding.writeVarUint(encoderState, messageSync);
|
||||
syncProtocol.writeSyncStep2(encoderState, this.doc);
|
||||
bc.publish(this.bcChannel, encoding.toUint8Array(encoderState), this);
|
||||
// write queryAwareness
|
||||
const encoderAwarenessQuery = encoding.createEncoder();
|
||||
encoding.writeVarUint(encoderAwarenessQuery, messageQueryAwareness);
|
||||
bc.publish(
|
||||
this.bcChannel,
|
||||
encoding.toUint8Array(encoderAwarenessQuery),
|
||||
this
|
||||
);
|
||||
// broadcast local awareness state
|
||||
const encoderAwarenessState = encoding.createEncoder();
|
||||
encoding.writeVarUint(encoderAwarenessState, messageAwareness);
|
||||
encoding.writeVarUint8Array(
|
||||
encoderAwarenessState,
|
||||
awarenessProtocol.encodeAwarenessUpdate(this.awareness, [
|
||||
this.doc.clientID,
|
||||
])
|
||||
);
|
||||
bc.publish(
|
||||
this.bcChannel,
|
||||
encoding.toUint8Array(encoderAwarenessState),
|
||||
this
|
||||
);
|
||||
}
|
||||
|
||||
disconnectBc() {
|
||||
// broadcast message with local awareness state set to null (indicating disconnect)
|
||||
const encoder = encoding.createEncoder();
|
||||
encoding.writeVarUint(encoder, messageAwareness);
|
||||
encoding.writeVarUint8Array(
|
||||
encoder,
|
||||
awarenessProtocol.encodeAwarenessUpdate(
|
||||
this.awareness,
|
||||
[this.doc.clientID],
|
||||
new Map()
|
||||
)
|
||||
);
|
||||
broadcastMessage(this, encoding.toUint8Array(encoder));
|
||||
if (this.bcconnected) {
|
||||
bc.unsubscribe(this.bcChannel, this._bcSubscriber);
|
||||
this.bcconnected = false;
|
||||
}
|
||||
}
|
||||
|
||||
disconnect() {
|
||||
this.shouldConnect = false;
|
||||
this.disconnectBc();
|
||||
if (this.ws !== null) {
|
||||
this.ws.close();
|
||||
}
|
||||
}
|
||||
|
||||
connect() {
|
||||
this.shouldConnect = true;
|
||||
if (!this.wsconnected && this.ws === null) {
|
||||
setupWS(this);
|
||||
this.connectBc();
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user