Add events to peer manager

This commit is contained in:
2025-04-27 22:38:42 -07:00
parent 63d7b276db
commit 0005f06b2b
3 changed files with 115 additions and 202 deletions

View File

@@ -10,6 +10,13 @@ import { log, logID } from "log";
// Use a broadcast channel to only have one peer manager for multiple tabs,
// then we won't need to have a session ID as all queries for a peerID will be coming from the same peer manager
type PeerID = string;
export enum PeerEventTypes {
PEER_CONNECTED,
PEER_DISCONNECTED,
}
export class PeerManager {
routingTable: Map<string, string>;
@@ -22,7 +29,7 @@ export class PeerManager {
bootstrapPeerConnection: PeerConnection | null = null;
sessionID = generateID();
userID: string;
peerID: string;
peerID: PeerID;
websocket: WebSocket | null = null;
bootstrapPeerID: string | null = null;
@@ -30,6 +37,7 @@ export class PeerManager {
pingPeers: RTCPeerConnection[] = [];
watchdogPeriodSeconds: number = 10;
eventListeners: Map<PeerEventTypes, Function[]> = new Map();
// async watchdog() {
// // Check that we're connected to at least N peers. If not, reconnect to the bootstrap server.
@@ -261,10 +269,35 @@ export class PeerManager {
let peerConnection = new PeerConnection(this, remotePeerID, this.websocketSendPeerMessage.bind(this));
this.peers.set(remotePeerID, peerConnection);
await peerConnection.connect();
this.onPeerConnected(this.peerID);
return peerConnection;
}
onPeerDisconnected(remotePeerID: string) {
onPeerConnected(peerID: PeerID) {
this.dispatchEvent(PeerEventTypes.PEER_CONNECTED, {peerID:peerID});
}
dispatchEvent(event:PeerEventTypes, parameters:any) {
let listeners = this.eventListeners.get(event);
if (!listeners) {
return;
}
for (let listener of listeners) {
listener(parameters);
}
}
addEventListener(eventName:PeerEventTypes, func:Function) {
let listeners = this.eventListeners.get(eventName);
if (!listeners) {
this.eventListeners.set(eventName, [func]);
}
}
onPeerDisconnected(remotePeerID: PeerID) {
let deleted = this.peers.delete(remotePeerID);
if (!deleted) {

View File

@@ -33,9 +33,9 @@ Restruucture the app around the data. App/WS split is messy. Clean it up.
// import * as ForceGraph3D from "3d-force-graph";
import { openDatabase, getData, addData, addDataArray, clearData, deleteData, mergeDataArray, getAllData, checkPostIds, getAllIds, getPostsByIds } from "db";
import { generateID } from "IDUtils";
import { PeerManager } from "PeerManager";
import { PeerManager, PeerEventTypes } from "PeerManager";
import {log, logID, renderLog, setLogVisibility} from "log"
import { log, logID, renderLog, setLogVisibility } from "log"
// import {PeerConnection} from "webRTC";
@@ -244,95 +244,14 @@ interface PeerMessage {
message: any;
}
// class Signaler {
// websocket: WebSocket | null = null;
// websocketPingInterval: number = 0;
// connect() {
// if (this.websocket?.readyState === WebSocket.OPEN) {
// return;
// }
// window.clearInterval(this.websocketPingInterval);
// if (this.websocket) { this.websocket.close() };
// try {
// this.websocket = new WebSocket(`wss://${window.location.hostname}:${window.location.port}/ws`);
// } catch (error: any) {
// console.log.apply(null, log(error.message);
// return;
// }
// this.websocket.onopen = async (event) => {
// console.log.apply(null, log("ws:connected"));;
// await this.sendHello();
// // If we're running as a headless peer, send a hello message every N seconds to refresh the posts we have.
// let helloRefreshIntervalPeriod = 120;
// if (app.isHeadless) {
// console.log.apply(null, log("wsConnection: Setting hello refresh interval to ", helloRefreshIntervalPeriod)
// this.helloRefreshInterval = window.setInterval(() => {
// console.log.apply(null, log("wsConnection: Hello refresh.")
// if (!navigator.onLine) {
// return;
// }
// this.sendHello();
// }, helloRefreshIntervalPeriod * 1000);
// }
// this.websocketPingInterval = window.setInterval(() => {
// if (!navigator.onLine) {
// return;
// }
// this.send({ type: "ping", peer_id: this.peerID, peer_name: app.peername, user_id: app.userID, user_name: app.username });
// }, 10_000)
// };
// this.websocket.onclose = (event) => {
// console.log.apply(null, log("ws:disconnected"));;
// // this.retry *= 2;
// console.log.apply(null, log(`Retrying in ${this.retry} seconds`));;
// window.setTimeout(() => { this.connect(); }, this.retry * 1000);
// };
// this.websocket.onmessage = (event) => {
// // log('ws:<-' + event.data.slice(0, 240));
// let data = JSON.parse(event.data);
// let { type } = data;
// let handler = this.messageHandlers.get(type);
// if (!handler) {
// console.warn(`Got a message we can't handle:`, type);
// return;
// }
// handler(data);
// };
// this.websocket.onerror = (event) => {
// console.log.apply(null, log('ws:error: ' + event));;
// };
// }
// }
// disconnect() {
// this.websocket?.close();
// }
// }
// Connect websocket
// send hello
// get bootstrap peer ID
// WebRTC connect to bootstrap peer
// ask Bootstrap peer for peers that have users we care about.
// for now, bootstrap peer will connect to all peers and will tell us about them, moving all logic from the server to the BSP
// Bootstrap peer will send the last N peers it saw.
// Connect to those new peers, tell those peers about users we know about
// ask for peers that have users we care about
// WebRTC Connect to peers that might have posts we need
// query those peers and do existing logic.
@@ -341,7 +260,7 @@ class wsConnection {
sessionID = "";
userID = "";
peerID = "";
rtcPeerDescription: RTCSessionDescription | null = null;
// rtcPeerDescription: RTCSessionDescription | null = null;
UserIDsToSync: Set<string>;
websocketPingInterval: number = 0;
helloRefreshInterval: number = 0;
@@ -355,7 +274,7 @@ class wsConnection {
constructor(userID: string, peerID: string, IDsToSync: Set<string>, rtcPeerDescription: RTCSessionDescription) {
this.rtcPeerDescription = rtcPeerDescription;
// this.rtcPeerDescription = rtcPeerDescription;
this.sessionID = generateID();
this.userID = userID;
this.peerID = peerID;
@@ -420,19 +339,19 @@ class wsConnection {
// log(`getPostsForUserResponse: ${data}`)
let message = data.message;
console.log.apply(null, log(`Net: got ${message.post_ids.length} post IDs for user ${logID(message.user_id)} from peer ${logID(data.from)}`));;
console.log.apply(null, log(`Net: got ${message.post_ids.length} post IDs for user ${logID(message.user_id)} from peer ${logID(data.from)}`));;
let startTime = app.timerStart();
let postIds = await checkPostIds(message.user_id, message.post_ids);
console.log.apply(null, log(`ID Check for user ${logID(message.user_id)} took ${app.timerDelta().toFixed(2)}ms`));;
console.log.apply(null, log(`Need ${postIds.length} posts for user ${logID(message.user_id)} from peer ${logID(data.from)}`));;
console.log.apply(null, log(`ID Check for user ${logID(message.user_id)} took ${app.timerDelta().toFixed(2)}ms`));;
console.log.apply(null, log(`Need ${postIds.length} posts for user ${logID(message.user_id)} from peer ${logID(data.from)}`));;
if (postIds.length === 0) {
return;
}
console.log.apply(null, log(`Net: Req ${postIds.length} posts for user ${logID(message.user_id)} from peer ${logID(data.from)}`));
console.log.apply(null, log(`Net: Req ${postIds.length} posts for user ${logID(message.user_id)} from peer ${logID(data.from)}`));
let responseMessage = { type: "peer_message", from: app.peerID, to: data.from, from_username: app.username, from_peername: app.peername, message: { type: "get_posts_for_user", post_ids: postIds, user_id: message.user_id } }
this.send(responseMessage);
@@ -466,10 +385,10 @@ class wsConnection {
let postIds = await getAllIds(message.user_id) ?? [];
postIds = postIds.filter((postID: string) => !this.postBlockList.has(postID));
if (postIds.length === 0) {
console.log.apply(null, log(`Net: I know about user ${logID(message.user_id)} but I have 0 posts, so I'm not sending any to to peer ${logID(data.from)}`));;
console.log.apply(null, log(`Net: I know about user ${logID(message.user_id)} but I have 0 posts, so I'm not sending any to to peer ${logID(data.from)}`));;
return;
}
console.log.apply(null, log(`Net: Sending ${postIds.length} post Ids for user ${logID(message.user_id)} to peer ${logID(data.from)}`));
console.log.apply(null, log(`Net: Sending ${postIds.length} post Ids for user ${logID(message.user_id)} to peer ${logID(data.from)}`));
let responseMessage = { type: "peer_message", from: app.peerID, to: data.from, from_username: app.username, from_peername: app.peername, message: { type: "get_post_ids_for_user_response", post_ids: postIds, user_id: message.user_id } }
this.send(responseMessage);
@@ -483,7 +402,7 @@ class wsConnection {
}
for (let [peerID, peerInfo] of this.seenPeers.entries()) {
console.log.apply(null, log(`broadcastNewPost: sending new post to ${logID(peerID)}:${peerInfo.peerName}:${peerInfo.userName}`));;
console.log.apply(null, log(`broadcastNewPost: sending new post to ${logID(peerID)}:${peerInfo.peerName}:${peerInfo.userName}`));;
this.sendPostsForUser(peerID, app.userID, [newPost])
}
@@ -513,7 +432,7 @@ class wsConnection {
let message = data.message;
let posts = await getPostsByIds(message.user_id, message.post_ids) ?? [];
console.log.apply(null, log(`Net: Sending ${posts.length} posts for user ${logID(message.user_id)} to peer ${logID(data.from)}`));;
console.log.apply(null, log(`Net: Sending ${posts.length} posts for user ${logID(message.user_id)} to peer ${logID(data.from)}`));;
app.timerStart();
let output = [];
@@ -543,7 +462,7 @@ class wsConnection {
console.log.apply(null, log("Sending posts"));
await this.sendPostsForUser(data.from, message.user_id, output);
let sendTime = app.timerDelta();
console.log.apply(null, log(`getPostsForUserHandler send took: ${sendTime.toFixed(2)}ms`));;
console.log.apply(null, log(`getPostsForUserHandler send took: ${sendTime.toFixed(2)}ms`));;
}
@@ -559,7 +478,7 @@ class wsConnection {
// HACK: Some posts have insanely large images, so I'm gonna skip them.
// Once we support delete then we we could delete these posts in a sensible way.
if (this.postBlockList.has(post.post_id)) {
console.log.apply(null, log(`Skipping blocked post: ${post.post_id}`));;
console.log.apply(null, log(`Skipping blocked post: ${post.post_id}`));;
continue;
}
@@ -578,7 +497,7 @@ class wsConnection {
let receiveTime = app.timerDelta();
console.log.apply(null, log(`getPostsForUserReponseHandler receive took: ${receiveTime.toFixed(2)}ms`));;
console.log.apply(null, log(`getPostsForUserReponseHandler receive took: ${receiveTime.toFixed(2)}ms`));;
if (message.user_id === app.getPreferentialUserID() || app.following.has(message.user_id)) {
@@ -626,10 +545,18 @@ class wsConnection {
session_id: this.sessionID,
peer_name: app.peername,
is_bootstrap_peer: app.isBootstrapPeer,
peer_description: this.rtcPeerDescription
// peer_description: this.rtcPeerDescription
});
}
async getKnownUsers() {
let knownUsers = [...(await indexedDB.databases())].map(db => db.name?.replace('user_', '')).filter(userID => userID !== undefined);
knownUsers = knownUsers
.filter(userID => this.shouldSyncUserID(userID))
.filter(userID => !this.userBlockList.has(userID))
.filter(async userID => (await getAllIds(userID)).length > 0); // TODO:EASYOPT getting all the IDs is unecessary, replace it with a test to get a single ID.
}
async sendHello() {
// TODO only get users you're following here. ✅
let knownUsers = [...(await indexedDB.databases())].map(db => db.name?.replace('user_', '')).filter(userID => userID !== undefined);
@@ -650,7 +577,7 @@ class wsConnection {
let users = [];
let receivedUsers = Object.entries(data.userPeers);
console.log.apply(null, log(`Net: got ${receivedUsers.length} users from bootstrap peer.`));
console.log.apply(null, log(`Net: got ${receivedUsers.length} users from bootstrap peer.`));
try {
let preferentialUserID = app.getPreferentialUserID();
@@ -681,7 +608,7 @@ class wsConnection {
continue;
}
console.log.apply(null, log(`Net: Req post IDs for user ${logID(userID)} from peer ${logID(peerID)}`));;
console.log.apply(null, log(`Net: Req post IDs for user ${logID(userID)} from peer ${logID(peerID)}`));;
this.send({
type: "peer_message",
from: this.peerID,
@@ -710,7 +637,7 @@ class wsConnection {
}
this.websocket.onopen = async (event) => {
console.log.apply(null, log("ws:connected"));;
console.log.apply(null, log("ws:connected"));;
await this.sendHello2();
// If we're running as a headless peer, send a hello message every N seconds to refresh the posts we have.
@@ -762,9 +689,9 @@ class wsConnection {
// };
this.websocket.onclose = (event) => {
console.log.apply(null, log("ws:disconnected"));;
console.log.apply(null, log("ws:disconnected"));;
// this.retry *= 2;
console.log.apply(null, log(`Retrying in ${this.retry} seconds`));;
console.log.apply(null, log(`Retrying in ${this.retry} seconds`));;
window.setTimeout(() => { this.connect(); }, this.retry * 1000);
};
@@ -785,7 +712,7 @@ class wsConnection {
};
this.websocket.onerror = (event) => {
console.log.apply(null, log('ws:error: ' + event));;
console.log.apply(null, log('ws:error: ' + event));;
};
}
@@ -816,7 +743,13 @@ class App {
async connect() {
this.peerManager = new PeerManager(this.userID, this.peerID, this.isBootstrapPeer);
this.registerRPCs();
console.log.apply(null, log("*************** before peerManager.connect"));;
this.peerManager.addEventListener(PeerEventTypes.PEER_CONNECTED, (event: any) => {
console.log.apply(null, log(`[app]: peer connected:${event.peerID}`));
// rpc saying what peers we have
})
console.log.apply(null, log("*************** before peerManager.connect"));
// We use promises here to only return from this call once we're connected to the boostrap peer
// and the datachannel is open.
@@ -825,13 +758,13 @@ class App {
// Would be lovely to show a little display of peers connecting, whether you're connected directly to a friend's peer etc.
// Basically that live "dandelion" display.
this.peerManager.registerRPC('getPostIDsForUser', (userID: any) => {
return [1, 2, 3, 4, 5]
});
await this.peerManager.connect();
console.log.apply(null, log("*************** after peerManager.connect"));;
console.log.apply(null, log("*************** after peerManager.connect"));;
if (!this.isBootstrapPeer) {
@@ -984,7 +917,7 @@ class App {
}
async importTweetArchive(userID: string, tweetArchive: any[]) {
console.log.apply(null, log("Importing tweet archive"));
console.log.apply(null, log("Importing tweet archive"));
let postsTestData: any[] = [];
// let response = await fetch("./tweets.js");
@@ -1031,7 +964,7 @@ class App {
count++;
if (count % 100 === 0) {
console.log.apply(null, log(`Imported ${count} posts...`));;
console.log.apply(null, log(`Imported ${count} posts...`));;
// render(postsTestData);
}
@@ -1073,7 +1006,7 @@ class App {
async compressImage(imageData: ArrayBuffer, mimeType: string, quality = 0.5): Promise<ArrayBuffer | null> {
let uncompressedByteLength = imageData.byteLength;
console.log.apply(null, log(`compressImage input:${mimeType} size:${(uncompressedByteLength / 1024).toFixed(2)}KBi quality:${quality}`));;
console.log.apply(null, log(`compressImage input:${mimeType} size:${(uncompressedByteLength / 1024).toFixed(2)}KBi quality:${quality}`));;
try {
// Convert ArrayBuffer to Blob
@@ -1139,7 +1072,7 @@ class App {
let compressedByteLength = compressedArrayBuffer.byteLength;
let percent = (uncompressedByteLength / compressedByteLength)
console.log.apply(null, log(`compressImage: compressedSize:${(compressedArrayBuffer.byteLength / 1024).toFixed(2)}KBi ${percent.toFixed(2)}:1 compression`));;
console.log.apply(null, log(`compressImage: compressedSize:${(compressedArrayBuffer.byteLength / 1024).toFixed(2)}KBi ${percent.toFixed(2)}:1 compression`));;
return compressedArrayBuffer;
} catch (e) {
console.error(e);
@@ -1149,7 +1082,7 @@ class App {
async createNewPost(userID: string, postText: string, mediaData?: ArrayBuffer, mimeType?: "image/png" | "image/gif" | "image/jpg" | "image/jpeg" | "video/mp4") {
if ((typeof postText !== "string") || postText.length === 0) {
console.log.apply(null, log("Not posting an empty string..."));
console.log.apply(null, log("Not posting an empty string..."));
return;
}
@@ -1177,7 +1110,7 @@ class App {
let id = localStorage.getItem("peer_id");
if (!id) {
console.log.apply(null, log(`Didn't find a peer ID, generating one`));;
console.log.apply(null, log(`Didn't find a peer ID, generating one`));;
id = generateID();
localStorage.setItem("peer_id", id);
}
@@ -1189,7 +1122,7 @@ class App {
let id = localStorage.getItem("dandelion_id");
if (!id) {
console.log.apply(null, log(`Didn't find a user ID, generating one`));;
console.log.apply(null, log(`Didn't find a user ID, generating one`));;
id = generateID();
localStorage.setItem("dandelion_id", id);
}
@@ -1264,17 +1197,17 @@ class App {
initOffline(connection: wsConnection) {
// Event listener for going offline
window.addEventListener('offline', () => {
console.log.apply(null, log("offline"));
console.log.apply(null, log("offline"));
});
// Event listener for going online
window.addEventListener('online', async () => {
console.log.apply(null, log("online"));
console.log.apply(null, log("online"));
// connection.connect();
this.render();
});
console.log.apply(null, log(`Online status: ${navigator.onLine ? "online" : "offline"}`));
console.log.apply(null, log(`Online status: ${navigator.onLine ? "online" : "offline"}`));
}
@@ -1545,7 +1478,7 @@ class App {
posts = await getData(userID, new Date(2022, 8), new Date());
if (posts.length > 0) {
console.log.apply(null, log(`Loaded ${posts.length} posts in ${this.timerDelta().toFixed(2)}ms`));;
console.log.apply(null, log(`Loaded ${posts.length} posts in ${this.timerDelta().toFixed(2)}ms`));;
return posts;
}
@@ -1596,13 +1529,13 @@ class App {
return false;
}
async registerRPCs() {
async registerRPCs() {
if (!this.peerManager) {
throw new Error();
}
this.peerManager.registerRPC('ping', (args: any) => {
return {id:this.peerID, user:this.userID, user_name:this.username, peer_name:this.peername};
return { id: this.peerID, user: this.userID, user_name: this.username, peer_name: this.peername };
});
if (!this.isBootstrapPeer) {
@@ -1627,7 +1560,7 @@ class App {
this.peerManager.registerRPC('getPostIDsForUser', (args: any) => {
return [1, 2, 3, 4, 5]
});
let postIDs = await this.peerManager.rpc.getPostIDsForUser("dummy_peer", "bloop");
console.log.apply(null, log("peerManager.rpc.getPostIDsForUser", postIDs));
@@ -1650,7 +1583,7 @@ class App {
this.isHeadless = /\bHeadlessChrome\//.test(navigator.userAgent);
this.isBootstrapPeer = urlParams.has("bootstrap");
if (this.isBootstrapPeer) {
console.log.apply(null, log(`This is a bootstrap peer`));;
console.log.apply(null, log(`This is a bootstrap peer`));;
}
this.peerID = this.getPeerID();
@@ -1659,7 +1592,7 @@ class App {
this.username = this.getUsername();
this.connect();
// this.registerRPCs();
// this.testPeerManager();
@@ -1748,7 +1681,7 @@ class App {
localStorage.removeItem("dandelion_username");
}
await this.initDB();
this.connectURL = `${document.location.origin}/connect/${this.userID}`;
@@ -1788,7 +1721,7 @@ class App {
await this.render(); // , (postID:string)=>{this.deletePost(userID, postID)}
if ((performance as any)?.memory) {
console.log.apply(null, log(`memory used: ${((performance as any).memory.usedJSHeapSize / 1024 / 1024).toFixed(2)}Mb`));
console.log.apply(null, log(`memory used: ${((performance as any).memory.usedJSHeapSize / 1024 / 1024).toFixed(2)}Mb`));
}
// if (navigator?.storage) {
@@ -1809,7 +1742,7 @@ class App {
console.log.apply(null, log(`username:${this.username} user:${this.userID} peername:${this.peername} peer:${this.peerID}`));;
console.log.apply(null, log(`username:${this.username} user:${this.userID} peername:${this.peername} peer:${this.peerID}`));;
// await this.purgeEmptyUsers();
@@ -1966,7 +1899,7 @@ class App {
let renderTime = this.timerDelta();
console.log.apply(null, log(`render took: ${renderTime.toFixed(2)}ms`));;
console.log.apply(null, log(`render took: ${renderTime.toFixed(2)}ms`));;
performance.mark("render-end");
performance.measure('render-time', 'render-start', 'render-end');