Start unwinding the incoming tables from other peers, but it's gonna be a nasty and complicated business

package-lock.json

@@ -13,7 +13,6 @@
         "applause-cli": "^1.7.0",
         "jpake": "^1.0.1",
         "nexline": "^1.2.2",
-        "p-queue": "^7.1.0",
         "p-reflect": "^3.0.0",
         "p-retry": "^5.0.0",
         "systeminformation": "^5.9.4",
@@ -45,11 +44,6 @@
       "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.1.1.tgz",
       "integrity": "sha512-o2JlM7ydqd3Qk9CA0L4NL6mTzU2sdx96a+oOfPu8Mkl/PK51vSyoi8/rQ8NknZtk44vq15lmhAj9CIAGwgeWKw=="
     },
-    "node_modules/eventemitter3": {
-      "version": "4.0.7",
-      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
-      "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw=="
-    },
     "node_modules/fs-extra": {
       "version": "8.1.0",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
@@ -114,21 +108,6 @@
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     },
-    "node_modules/p-queue": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/p-queue/-/p-queue-7.1.0.tgz",
-      "integrity": "sha512-V+0vPJbhYkBqknPp0qnaz+dWcj8cNepfXZcsVIVEHPbFQXMPwrzCNIiM4FoxGtwHXtPzVCPHDvqCr1YrOJX2Gw==",
-      "dependencies": {
-        "eventemitter3": "^4.0.7",
-        "p-timeout": "^5.0.0"
-      },
-      "engines": {
-        "node": ">=12"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/p-reflect": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/p-reflect/-/p-reflect-3.0.0.tgz",
@@ -155,17 +134,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/p-timeout": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-5.0.0.tgz",
-      "integrity": "sha512-z+bU/N7L1SABsqKnQzvAnINgPX7NHdzwUV+gHyJE7VGNDZSr03rhcPODCZSWiiT9k+gf74QPmzcZzqJRvxYZow==",
-      "engines": {
-        "node": ">=12"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/retry": {
       "version": "0.13.1",
       "resolved": "https://registry.npmjs.org/retry/-/retry-0.13.1.tgz",
@@ -243,11 +211,6 @@
       "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.1.1.tgz",
       "integrity": "sha512-o2JlM7ydqd3Qk9CA0L4NL6mTzU2sdx96a+oOfPu8Mkl/PK51vSyoi8/rQ8NknZtk44vq15lmhAj9CIAGwgeWKw=="
     },
-    "eventemitter3": {
-      "version": "4.0.7",
-      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
-      "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw=="
-    },
     "fs-extra": {
       "version": "8.1.0",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
@@ -303,15 +266,6 @@
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       "integrity": "sha512-PXlDRYoWD5JHm+fKVx8PsiLVsuYLIp+5ZhO76L//H/q2/YcQZAS59z9aXO7lcq4IMOq8a1U18KXgpijnkz+C5A=="
     },
-    "p-queue": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/p-queue/-/p-queue-7.1.0.tgz",
-      "integrity": "sha512-V+0vPJbhYkBqknPp0qnaz+dWcj8cNepfXZcsVIVEHPbFQXMPwrzCNIiM4FoxGtwHXtPzVCPHDvqCr1YrOJX2Gw==",
-      "requires": {
-        "eventemitter3": "^4.0.7",
-        "p-timeout": "^5.0.0"
-      }
-    },
     "p-reflect": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/p-reflect/-/p-reflect-3.0.0.tgz",
@@ -326,11 +280,6 @@
         "retry": "^0.13.1"
       }
     },
-    "p-timeout": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-5.0.0.tgz",
-      "integrity": "sha512-z+bU/N7L1SABsqKnQzvAnINgPX7NHdzwUV+gHyJE7VGNDZSr03rhcPODCZSWiiT9k+gf74QPmzcZzqJRvxYZow=="
-    },
     "retry": {
       "version": "0.13.1",
       "resolved": "https://registry.npmjs.org/retry/-/retry-0.13.1.tgz",

package.json

@@ -21,7 +21,6 @@
     "applause-cli": "^1.7.0",
     "jpake": "^1.0.1",
     "nexline": "^1.2.2",
-    "p-queue": "^7.1.0",
     "p-reflect": "^3.0.0",
     "p-retry": "^5.0.0",
     "systeminformation": "^5.9.4",

src/lib/SystemQuery.mjs

@@ -1,11 +1,14 @@
 "use strict";
 
+import { once, EventEmitter } from 'events';
 
 import Agent from './agent/Agent.mjs';
 import InfoBroker from './core/InfoBroker.mjs';
 
-class SystemQuery {
+class SystemQuery extends EventEmitter {
 	constructor(config, mode = "agent") {
+		super();
+		
 		// The operating mode. Possible values: agent [default], query_client
 		// TODO: Is this the best way of doing this? Maybe we should have a separate class for this? I'm not sure.
 		this.mode = mode;
@@ -43,13 +46,21 @@ class SystemQuery {
 		
 	}
 	
+	async capture_query_response(event_name, ac) {
+		return await once(this.agent, `message-${event_name}`, { signal: ac });
+	}
 	
-	async fetch_table(name) {
+	*fetch_table(name) {
 		// If it isn't valid for us, it ain't gonna be valid for anyone else....
 		if(!this.info.is_valid_table(name)) return null;
 		
-		const responses = {}; // peer id → table
+		const queue = new p_queue({ })
-		const handle_response = async (peer, msg) => {
+		const peers_seen = [];
+		while(peers_seen.length < this.agent.connected_peers.length) {
+			
+		}
+		
+		const handle_response = (peer, msg) => {
 			// TODO: Validate response. Is it the right table? Is it even a table? Note that multiple fetch_table calls may be running in parallel, so we should not make too much of a fuss if we get the wrong table by accident.
 			// TODO: It would be seriously cool to have fetch_table() be an async generator that yields pairs of peer ids and tables as they come in.
 			if(no_peers_left_or_hit_timeout) {

src/lib/agent/Agent.mjs

@@ -14,6 +14,9 @@ import parse_peer_name from '../parse/peer_name.mjs';
 import hostuuid from '../io/hostuuid.mjs';
 
 class Agent extends EventEmitter {
+	get connected_peers() { return this.server.connected_peers; }
+	get connecting_peers() { return this.server.connecting_peers; }
+	
 	constructor(config) {
 		super();
 		

src/lib/async/ItemQueue.mjs

@@ -0,0 +1,48 @@
+"use strict";
+
+import { EventEmitter, once } from 'events';
+
+class ItemQueue extends EventEmitter {
+	constructor() {
+		super();
+		this.items = [];
+	}
+	
+	__push_single(item) {
+		this.items.push(item);
+		this.emit("push", item);
+	}
+	
+	push(...items) {
+		
+	}
+	
+	async pop(time_limit = 0) {
+		if(this.items.length === 0) {
+		}
+		
+		this.pop()
+	}
+	
+	wait_for_item(time_limit_ms = 0) {
+		const ac = new AbortController();
+		let timeout = null;
+		if(time_limit_ms > 0) {
+			timeout = setTimeout(() => {
+				ac.abort();
+			}, time_limit_ms);
+		}
+		let item = await once(this, "push", { signal: ac.signal });
+		if(timeout !== null)
+			clearTimeout(timeout);
+		
+		this.items.splice(this.items.indexOf(item));
+		return item;
+	}
+	
+	wait_empty() {
+		
+	}
+}
+
+export default ItemQueue;