[Glitch] Add support for managing multiple stream subscriptions in a single connection
Ported ef057584fd to glitch-soc
Signed-off-by: Thibaut Girka <thib@sitedethib.com>
master
Eugen Rochko
Thibaut Girka
parent
78fa15d08f
commit
8ae52dc792
|
|
@ -1,3 +1,5 @@
|
|||
// @ts-check
|
||||
|
||||
import { connectStream } from 'flavours/glitch/util/stream';
|
||||
import {
|
||||
updateTimeline,
|
||||
|
|
@ -19,24 +21,59 @@ import { getLocale } from 'mastodon/locales';
|
|||
|
||||
const { messages } = getLocale();
|
||||
|
||||
export function connectTimelineStream (timelineId, path, pollingRefresh = null, accept = null) {
|
||||
/**
|
||||
* @param {number} max
|
||||
* @return {number}
|
||||
*/
|
||||
const randomUpTo = max =>
|
||||
Math.floor(Math.random() * Math.floor(max));
|
||||
|
||||
return connectStream (path, pollingRefresh, (dispatch, getState) => {
|
||||
/**
|
||||
* @param {string} timelineId
|
||||
* @param {string} channelName
|
||||
* @param {Object.<string, string>} params
|
||||
* @param {Object} options
|
||||
* @param {function(Function, Function): void} [options.fallback]
|
||||
* @param {function(object): boolean} [options.accept]
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectTimelineStream = (timelineId, channelName, params = {}, options = {}) =>
|
||||
connectStream(channelName, params, (dispatch, getState) => {
|
||||
const locale = getState().getIn(['meta', 'locale']);
|
||||
|
||||
let pollingId;
|
||||
|
||||
/**
|
||||
* @param {function(Function, Function): void} fallback
|
||||
*/
|
||||
const useFallback = fallback => {
|
||||
fallback(dispatch, () => {
|
||||
pollingId = setTimeout(() => useFallback(fallback), 20000 + randomUpTo(20000));
|
||||
});
|
||||
};
|
||||
|
||||
return {
|
||||
onConnect() {
|
||||
dispatch(connectTimeline(timelineId));
|
||||
|
||||
if (pollingId) {
|
||||
clearTimeout(pollingId);
|
||||
pollingId = null;
|
||||
}
|
||||
},
|
||||
|
||||
onDisconnect() {
|
||||
dispatch(disconnectTimeline(timelineId));
|
||||
|
||||
if (options.fallback) {
|
||||
pollingId = setTimeout(() => useFallback(options.fallback), randomUpTo(40000));
|
||||
}
|
||||
},
|
||||
|
||||
onReceive (data) {
|
||||
switch(data.event) {
|
||||
case 'update':
|
||||
dispatch(updateTimeline(timelineId, JSON.parse(data.payload), accept));
|
||||
dispatch(updateTimeline(timelineId, JSON.parse(data.payload), options.accept));
|
||||
break;
|
||||
case 'delete':
|
||||
dispatch(deleteFromTimelines(data.payload));
|
||||
|
|
@ -63,17 +100,60 @@ export function connectTimelineStream (timelineId, path, pollingRefresh = null,
|
|||
},
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {Function} dispatch
|
||||
* @param {function(): void} done
|
||||
*/
|
||||
const refreshHomeTimelineAndNotification = (dispatch, done) => {
|
||||
dispatch(expandHomeTimeline({}, () =>
|
||||
dispatch(expandNotifications({}, () =>
|
||||
dispatch(fetchAnnouncements(done))))));
|
||||
};
|
||||
|
||||
export const connectUserStream = () => connectTimelineStream('home', 'user', refreshHomeTimelineAndNotification);
|
||||
export const connectCommunityStream = ({ onlyMedia } = {}) => connectTimelineStream(`community${onlyMedia ? ':media' : ''}`, `public:local${onlyMedia ? ':media' : ''}`);
|
||||
export const connectPublicStream = ({ onlyMedia, onlyRemote, allowLocalOnly } = {}) => connectTimelineStream(`public${onlyRemote ? ':remote' : (allowLocalOnly ? ':allow_local_only' : '')}${onlyMedia ? ':media' : ''}`, `public${onlyRemote ? ':remote' : (allowLocalOnly ? ':allow_local_only' : '')}${onlyMedia ? ':media' : ''}`);
|
||||
export const connectHashtagStream = (id, tag, local, accept) => connectTimelineStream(`hashtag:${id}${local ? ':local' : ''}`, `hashtag${local ? ':local' : ''}&tag=${tag}`, null, accept);
|
||||
export const connectDirectStream = () => connectTimelineStream('direct', 'direct');
|
||||
export const connectListStream = id => connectTimelineStream(`list:${id}`, `list&list=${id}`);
|
||||
/**
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectUserStream = () =>
|
||||
connectTimelineStream('home', 'user', {}, { fallback: refreshHomeTimelineAndNotification });
|
||||
|
||||
/**
|
||||
* @param {Object} options
|
||||
* @param {boolean} [options.onlyMedia]
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectCommunityStream = ({ onlyMedia } = {}) =>
|
||||
connectTimelineStream(`community${onlyMedia ? ':media' : ''}`, `public:local${onlyMedia ? ':media' : ''}`);
|
||||
|
||||
/**
|
||||
* @param {Object} options
|
||||
* @param {boolean} [options.onlyMedia]
|
||||
* @param {boolean} [options.onlyRemote]
|
||||
* @param {boolean} [options.allowLocalOnly]
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectPublicStream = ({ onlyMedia, onlyRemote, allowLocalOnly } = {}) =>
|
||||
connectTimelineStream(`public${onlyRemote ? ':remote' : (allowLocalOnly ? ':allow_local_only' : '')}${onlyMedia ? ':media' : ''}`, `public${onlyRemote ? ':remote' : (allowLocalOnly ? ':allow_local_only' : '')}${onlyMedia ? ':media' : ''}`);
|
||||
|
||||
/**
|
||||
* @param {string} columnId
|
||||
* @param {string} tagName
|
||||
* @param {boolean} onlyLocal
|
||||
* @param {function(object): boolean} accept
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectHashtagStream = (columnId, tagName, onlyLocal, accept) =>
|
||||
connectTimelineStream(`hashtag:${columnId}${onlyLocal ? ':local' : ''}`, `hashtag${onlyLocal ? ':local' : ''}`, { tag: tagName }, { accept });
|
||||
|
||||
/**
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectDirectStream = () =>
|
||||
connectTimelineStream('direct', 'direct');
|
||||
|
||||
/**
|
||||
* @param {string} listId
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectListStream = listId =>
|
||||
connectTimelineStream(`list:${listId}`, 'list', { list: listId });
|
||||
|
|
|
|||
|
|
@ -1,87 +1,236 @@
|
|||
// @ts-check
|
||||
|
||||
import WebSocketClient from '@gamestdio/websocket';
|
||||
|
||||
const randomIntUpTo = max => Math.floor(Math.random() * Math.floor(max));
|
||||
/**
|
||||
* @type {WebSocketClient | undefined}
|
||||
*/
|
||||
let sharedConnection;
|
||||
|
||||
const knownEventTypes = [
|
||||
'update',
|
||||
'delete',
|
||||
'notification',
|
||||
'conversation',
|
||||
'filters_changed',
|
||||
];
|
||||
/**
|
||||
* @typedef Subscription
|
||||
* @property {string} channelName
|
||||
* @property {Object.<string, string>} params
|
||||
* @property {function(): void} onConnect
|
||||
* @property {function(StreamEvent): void} onReceive
|
||||
* @property {function(): void} onDisconnect
|
||||
*/
|
||||
|
||||
export function connectStream(path, pollingRefresh = null, callbacks = () => ({ onConnect() {}, onDisconnect() {}, onReceive() {} })) {
|
||||
return (dispatch, getState) => {
|
||||
const streamingAPIBaseURL = getState().getIn(['meta', 'streaming_api_base_url']);
|
||||
const accessToken = getState().getIn(['meta', 'access_token']);
|
||||
const { onConnect, onDisconnect, onReceive } = callbacks(dispatch, getState);
|
||||
/**
|
||||
* @typedef StreamEvent
|
||||
* @property {string} event
|
||||
* @property {object} payload
|
||||
*/
|
||||
|
||||
let polling = null;
|
||||
/**
|
||||
* @type {Array.<Subscription>}
|
||||
*/
|
||||
const subscriptions = [];
|
||||
|
||||
const setupPolling = () => {
|
||||
pollingRefresh(dispatch, () => {
|
||||
polling = setTimeout(() => setupPolling(), 20000 + randomIntUpTo(20000));
|
||||
});
|
||||
};
|
||||
/**
|
||||
* @type {Object.<string, number>}
|
||||
*/
|
||||
const subscriptionCounters = {};
|
||||
|
||||
const clearPolling = () => {
|
||||
if (polling) {
|
||||
clearTimeout(polling);
|
||||
polling = null;
|
||||
/**
|
||||
* @param {Subscription} subscription
|
||||
*/
|
||||
const addSubscription = subscription => {
|
||||
subscriptions.push(subscription);
|
||||
};
|
||||
|
||||
/**
|
||||
* @param {Subscription} subscription
|
||||
*/
|
||||
const removeSubscription = subscription => {
|
||||
const index = subscriptions.indexOf(subscription);
|
||||
|
||||
if (index !== -1) {
|
||||
subscriptions.splice(index, 1);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* @param {Subscription} subscription
|
||||
*/
|
||||
const subscribe = ({ channelName, params, onConnect }) => {
|
||||
const key = channelNameWithInlineParams(channelName, params);
|
||||
|
||||
subscriptionCounters[key] = subscriptionCounters[key] || 0;
|
||||
|
||||
if (subscriptionCounters[key] === 0) {
|
||||
sharedConnection.send(JSON.stringify({ type: 'subscribe', stream: channelName, ...params }));
|
||||
}
|
||||
|
||||
subscriptionCounters[key] += 1;
|
||||
onConnect();
|
||||
};
|
||||
|
||||
/**
|
||||
* @param {Subscription} subscription
|
||||
*/
|
||||
const unsubscribe = ({ channelName, params, onDisconnect }) => {
|
||||
const key = channelNameWithInlineParams(channelName, params);
|
||||
|
||||
subscriptionCounters[key] = subscriptionCounters[key] || 1;
|
||||
|
||||
if (subscriptionCounters[key] === 1 && sharedConnection.readyState === WebSocketClient.OPEN) {
|
||||
sharedConnection.send(JSON.stringify({ type: 'unsubscribe', stream: channelName, ...params }));
|
||||
}
|
||||
|
||||
subscriptionCounters[key] -= 1;
|
||||
onDisconnect();
|
||||
};
|
||||
|
||||
const sharedCallbacks = {
|
||||
connected () {
|
||||
subscriptions.forEach(subscription => subscribe(subscription));
|
||||
},
|
||||
|
||||
received (data) {
|
||||
const { stream } = data;
|
||||
|
||||
subscriptions.filter(({ channelName, params }) => {
|
||||
const streamChannelName = stream[0];
|
||||
|
||||
if (stream.length === 1) {
|
||||
return channelName === streamChannelName;
|
||||
}
|
||||
};
|
||||
|
||||
const subscription = getStream(streamingAPIBaseURL, accessToken, path, {
|
||||
const streamIdentifier = stream[1];
|
||||
|
||||
if (['hashtag', 'hashtag:local'].includes(channelName)) {
|
||||
return channelName === streamChannelName && params.tag === streamIdentifier;
|
||||
} else if (channelName === 'list') {
|
||||
return channelName === streamChannelName && params.list === streamIdentifier;
|
||||
}
|
||||
|
||||
return false;
|
||||
}).forEach(subscription => {
|
||||
subscription.onReceive(data);
|
||||
});
|
||||
},
|
||||
|
||||
disconnected () {
|
||||
subscriptions.forEach(({ onDisconnect }) => onDisconnect());
|
||||
},
|
||||
|
||||
reconnected () {
|
||||
subscriptions.forEach(subscription => subscribe(subscription));
|
||||
},
|
||||
};
|
||||
|
||||
/**
|
||||
* @param {string} channelName
|
||||
* @param {Object.<string, string>} params
|
||||
* @return {string}
|
||||
*/
|
||||
const channelNameWithInlineParams = (channelName, params) => {
|
||||
if (Object.keys(params).length === 0) {
|
||||
return channelName;
|
||||
}
|
||||
|
||||
return `${channelName}&${Object.keys(params).map(key => `${key}=${params[key]}`).join('&')}`;
|
||||
};
|
||||
|
||||
/**
|
||||
* @param {string} channelName
|
||||
* @param {Object.<string, string>} params
|
||||
* @param {function(Function, Function): { onConnect: (function(): void), onReceive: (function(StreamEvent): void), onDisconnect: (function(): void) }} callbacks
|
||||
* @return {function(): void}
|
||||
*/
|
||||
export const connectStream = (channelName, params, callbacks) => (dispatch, getState) => {
|
||||
const streamingAPIBaseURL = getState().getIn(['meta', 'streaming_api_base_url']);
|
||||
const accessToken = getState().getIn(['meta', 'access_token']);
|
||||
const { onConnect, onReceive, onDisconnect } = callbacks(dispatch, getState);
|
||||
|
||||
// If we cannot use a websockets connection, we must fall back
|
||||
// to using individual connections for each channel
|
||||
if (!streamingAPIBaseURL.startsWith('ws')) {
|
||||
const connection = createConnection(streamingAPIBaseURL, accessToken, channelNameWithInlineParams(channelName, params), {
|
||||
connected () {
|
||||
if (pollingRefresh) {
|
||||
clearPolling();
|
||||
}
|
||||
|
||||
onConnect();
|
||||
},
|
||||
|
||||
disconnected () {
|
||||
if (pollingRefresh) {
|
||||
polling = setTimeout(() => setupPolling(), randomIntUpTo(40000));
|
||||
}
|
||||
|
||||
onDisconnect();
|
||||
},
|
||||
|
||||
received (data) {
|
||||
onReceive(data);
|
||||
},
|
||||
|
||||
reconnected () {
|
||||
if (pollingRefresh) {
|
||||
clearPolling();
|
||||
pollingRefresh(dispatch);
|
||||
}
|
||||
|
||||
onConnect();
|
||||
disconnected () {
|
||||
onDisconnect();
|
||||
},
|
||||
|
||||
reconnected () {
|
||||
onConnect();
|
||||
},
|
||||
});
|
||||
|
||||
const disconnect = () => {
|
||||
if (subscription) {
|
||||
subscription.close();
|
||||
}
|
||||
|
||||
clearPolling();
|
||||
return () => {
|
||||
connection.close();
|
||||
};
|
||||
}
|
||||
|
||||
return disconnect;
|
||||
const subscription = {
|
||||
channelName,
|
||||
params,
|
||||
onConnect,
|
||||
onReceive,
|
||||
onDisconnect,
|
||||
};
|
||||
}
|
||||
|
||||
addSubscription(subscription);
|
||||
|
||||
export default function getStream(streamingAPIBaseURL, accessToken, stream, { connected, received, disconnected, reconnected }) {
|
||||
const params = stream.split('&');
|
||||
stream = params.shift();
|
||||
// If a connection is open, we can execute the subscription right now. Otherwise,
|
||||
// because we have already registered it, it will be executed on connect
|
||||
|
||||
if (!sharedConnection) {
|
||||
sharedConnection = /** @type {WebSocketClient} */ (createConnection(streamingAPIBaseURL, accessToken, '', sharedCallbacks));
|
||||
} else if (sharedConnection.readyState === WebSocketClient.OPEN) {
|
||||
subscribe(subscription);
|
||||
}
|
||||
|
||||
return () => {
|
||||
removeSubscription(subscription);
|
||||
unsubscribe(subscription);
|
||||
};
|
||||
};
|
||||
|
||||
const KNOWN_EVENT_TYPES = [
|
||||
'update',
|
||||
'delete',
|
||||
'notification',
|
||||
'conversation',
|
||||
'filters_changed',
|
||||
'encrypted_message',
|
||||
'announcement',
|
||||
'announcement.delete',
|
||||
'announcement.reaction',
|
||||
];
|
||||
|
||||
/**
|
||||
* @param {MessageEvent} e
|
||||
* @param {function(StreamEvent): void} received
|
||||
*/
|
||||
const handleEventSourceMessage = (e, received) => {
|
||||
received({
|
||||
event: e.type,
|
||||
payload: e.data,
|
||||
});
|
||||
};
|
||||
|
||||
/**
|
||||
* @param {string} streamingAPIBaseURL
|
||||
* @param {string} accessToken
|
||||
* @param {string} channelName
|
||||
* @param {{ connected: Function, received: function(StreamEvent): void, disconnected: Function, reconnected: Function }} callbacks
|
||||
* @return {WebSocketClient | EventSource}
|
||||
*/
|
||||
const createConnection = (streamingAPIBaseURL, accessToken, channelName, { connected, received, disconnected, reconnected }) => {
|
||||
const params = channelName.split('&');
|
||||
|
||||
channelName = params.shift();
|
||||
|
||||
if (streamingAPIBaseURL.startsWith('ws')) {
|
||||
params.unshift(`stream=${stream}`);
|
||||
const ws = new WebSocketClient(`${streamingAPIBaseURL}/api/v1/streaming/?${params.join('&')}`, accessToken);
|
||||
|
||||
ws.onopen = connected;
|
||||
|
|
@ -92,11 +241,19 @@ export default function getStream(streamingAPIBaseURL, accessToken, stream, { co
|
|||
return ws;
|
||||
}
|
||||
|
||||
stream = stream.replace(/:/g, '/');
|
||||
channelName = channelName.replace(/:/g, '/');
|
||||
|
||||
if (channelName.endsWith(':media')) {
|
||||
channelName = channelName.replace('/media', '');
|
||||
params.push('only_media=true');
|
||||
}
|
||||
|
||||
params.push(`access_token=${accessToken}`);
|
||||
const es = new EventSource(`${streamingAPIBaseURL}/api/v1/streaming/${stream}?${params.join('&')}`);
|
||||
|
||||
const es = new EventSource(`${streamingAPIBaseURL}/api/v1/streaming/${channelName}?${params.join('&')}`);
|
||||
|
||||
let firstConnect = true;
|
||||
|
||||
es.onopen = () => {
|
||||
if (firstConnect) {
|
||||
firstConnect = false;
|
||||
|
|
@ -105,15 +262,12 @@ export default function getStream(streamingAPIBaseURL, accessToken, stream, { co
|
|||
reconnected();
|
||||
}
|
||||
};
|
||||
for (let type of knownEventTypes) {
|
||||
es.addEventListener(type, (e) => {
|
||||
received({
|
||||
event: e.type,
|
||||
payload: e.data,
|
||||
});
|
||||
});
|
||||
}
|
||||
es.onerror = disconnected;
|
||||
|
||||
KNOWN_EVENT_TYPES.forEach(type => {
|
||||
es.addEventListener(type, e => handleEventSourceMessage(/** @type {MessageEvent} */ (e), received));
|
||||
});
|
||||
|
||||
es.onerror = /** @type {function(): void} */ (disconnected);
|
||||
|
||||
return es;
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue