A bugfixing we are going.... not there just yet though

src/lib/agent/Agent.mjs

@@ -2,6 +2,7 @@
 
 import fs from 'fs';
 import os from 'os';
+import path from 'path';
 
 import log from 'log'; const l = log.get("agent");
 
@@ -17,19 +18,19 @@ class Agent {
 	}
 	
 	async find_secret() {
-		if(this.config.secret_join_filepath !== "CHANGE_ME"
-		&& fs.existsSync(this.config.secret_join_filepath))
-			return await fs.promises.readFile(
-				path.resolve(
-					path.dirname(settings.cli.config),
-					this.config.secret_join_filepath
-				),
-				"utf-8");
+		if(this.config.secret_join_filepath !== "CHANGE_ME") {
+			let filepath = path.resolve(
+				path.dirname(settings.cli.config),
+				this.config.secret_join_filepath
+			);
+			if(fs.existsSync(filepath))
+				return await fs.promises.readFile(filepath, "utf-8");
+		}
 		
 		if(this.config.secret_join !== "CHANGE_ME")
 			return this.config.secret_join;
 		
-		return null;
+		throw new Error(`Error: Failed to find join secret.`);
 	}
 	
 	async init() {

src/lib/agent/Peer.mjs

@@ -12,6 +12,10 @@ class Peer extends EventEmitter {
 	get remote_endpoint() {
 		return { address: this.address, port: this.port };
 	}
+	get id_short() {
+		if(this.id === null) return null;
+		return this.id.substring(0, 7);
+	}
 	
 	constructor(server, connection) {
 		super();
@@ -78,7 +82,9 @@ class Peer extends EventEmitter {
 	__handle_hello(msg) {
 		this.id = msg.id;
 		this.known_peers = msg.peers;
-		if(msg.id === this.server.our_id) return false;
+		if(msg.id === this.server.our_id) {
+			return false;
+		}
 		return true;
 	}
 	

src/lib/agent/PeerServer.mjs

@@ -6,6 +6,7 @@ import net from 'net';
 import p_retry from 'p-retry';
 import log from 'log'; const l = log.get("peerserver");
 
+import settings from '../../settings.mjs';
 import Connection from '../transport/Connection.mjs';
 import ErrorWrapper from '../core/ErrorWrapper.mjs';
 
@@ -39,6 +40,8 @@ class PeerServer extends EventEmitter {
 	 */
 	listen(port = 5252, host="::") {
 		return new Promise((resolve, reject) => {
+			this.host = host;
+			this.port = port;
 			this.server = net.createServer(async (client) => {
 				await this.handle_client(client);
 			});
@@ -137,13 +140,24 @@ class PeerServer extends EventEmitter {
 		// The arrow function here is NOT async because the promise from
 		// this.add_peer is returned directly to await Promise.all().
 		return (await Promise.all(new_peers.map(
-			new_peer => p_retry(async () => await this.add_peer(
+			new_peer => p_retry(async () => await this.__add_peer(
 				new_peer.address,
 				new_peer.port
 			), {
 				retries: this.retries,
-				onFailedAttempt: (error, attempt, left) =>
-					l.error(`[attempt ${attempt} / ${left}] Error while connecting to ${new_peer.address}:${new_peer.port}: ${error}`)
+				onFailedAttempt: (error) => {
+					switch(error instanceof ErrorWrapper ? error.inner_exception.code : error.code) {
+						case "ECONNREFUSED":
+							l.error(`Failed to connect to peer at ${new_peer.address}:${new_peer.port}.`);
+							break;
+						
+						default:
+							let msg = `[attempt ${error.attemptNumber} / ${error.retriesLeft+error.attemptNumber}] Error while connecting to ${new_peer.address}:${new_peer.port}: ${error}`;
+							if(settings.cli.verbose) msg += `\n${error.stack}`;
+							l.error(msg);
+							break;
+					}
+				}
 			})
 		))).filter(peer => peer instanceof Peer);
 	}
@@ -153,22 +167,29 @@ class PeerServer extends EventEmitter {
 	 * Note: This does NOT automatically connect to all the peers known to the
 	 * peer you're connecting to!
 	 * You need to do this manually.
+	 * Note that you should NOT use this function directly. Instead, use
+	 * add_peers(), which supports multiple peers and also automatically
+	 * retries on failure too.
 	 * @throws	{ErrorWrapper}		Throws if the connection failed. This could be for a large number of different reasons, from an incorrect join secret from the remote to connection issues.
 	 * @param	{string}	address	The address to connect to.
 	 * @param	{number}	port	The port number to connect to.
 	 * @return	{Promise<Peer|null>}	A Promise that resolves to the resulting Peer connection, or null if the connection wasn't attemped.
 	 */
-	async add_peer(address, port) {
+	async __add_peer(address, port) {
 		// If we're already connected, don't bother reconnecting again
 		if(this.peers().some(el => el.address === address && el.port === port))
 			return;
+		// If we are attempting to connect to ourselves, then don't bother
+		if(address == this.host && port == this.port)
+			return;
 		
 		const peer_string = `peer:${address}:${port}`;
 		this.connecting_peers.push(peer_string);
-		let conn;
+		let conn = null;
 		try {
 			conn = await Peer.Initiate(this, address, port);
 			peer_initialise(conn);
+			console.log(`[DEBUG] conn before`, conn);
 		}
 		catch(error) {
 			throw new ErrorWrapper(`Error: Failed to connect to peer.`, error);
@@ -177,6 +198,9 @@ class PeerServer extends EventEmitter {
 			this.connecting_peers.splice(this.connecting_peers.indexOf(peer_string));
 		}
 		
+		if(conn === null) return null;
+		
+		l.notice(`Peer ${conn.id_short} from ${address}:${port} connected`)
 		this.emit(`peer`, conn);
 		return conn;
 	}