trying to get jest to exit cleanly when running all tests.

Seems like maybe something in libp2p. Giving up for now.

src/node.ts

@@ -122,6 +122,7 @@ export class RhizomeNode {
   }
 
   async stop() {
+    this.peers.stop();
     await this.pubSub.stop();
     await this.requestReply.stop();
     await this.httpServer.stop();

src/peers.ts

@@ -136,6 +136,7 @@ export class Peers {
   }
 
   start() {
+    // TODO: Move this somewhere that makes more sense
     this.rhizomeNode.pubSub.subscribeTopic(
       this.rhizomeNode.config.pubSubTopic,
       (sender, msg) => {
@@ -147,6 +148,13 @@ export class Peers {
     );
   }
 
+  stop() {
+    debug(`[${this.rhizomeNode.config.peerId}]`, 'Closing all peer request sockets');
+    for (const peer of this.peers) {
+      peer.reqSock?.close();
+    }
+  }
+
   addPeer(addr: PeerAddress): Peer {
     const peer = new Peer(this.rhizomeNode, addr);
     this.peers.push(peer);

src/request-reply.ts

@@ -11,7 +11,6 @@ export type PeerRequest = {
 
 export type RequestHandler = (req: PeerRequest, res: ResponseSocket) => void;
 
-// TODO: Retain handle to request socket for each peer, so we only need to open once
 export class RequestSocket {
   sock = new Request();
 
@@ -33,13 +32,16 @@ export class RequestSocket {
     const [res] = await this.sock.receive();
     return res;
   }
+
+  close() {
+    this.sock.close();
+    debug(`[${this.requestReply.rhizomeNode.config.peerId}]`, 'Request socket closed');
+  }
 }
 
 export class ResponseSocket {
-  sock: Reply;
-  constructor(sock: Reply) {
-    this.sock = sock;
-  }
+  constructor(readonly sock: Reply) {}
+
   async send(msg: object | string) {
     if (typeof msg === 'object') {
       msg = JSON.stringify(msg);
@@ -101,5 +103,6 @@ export class RequestReply {
     await this.replySock.unbind(this.requestBindAddrStr);
     this.replySock.close();
     this.replySock = new Reply();
+    debug(`[${this.rhizomeNode.config.peerId}]`, 'Reply socket closed');
   }
 }