Start unwinding the incoming tables from other peers, but it's gonna be a nasty and complicated business
This commit is contained in:
parent
15bdcaf047
commit
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GPG Key ID:
1BE5172E637709C2
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@ -13,7 +13,6 @@
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@ -114,21 +108,6 @@
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@ -155,17 +134,6 @@
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"url": "https://github.com/sponsors/sindresorhus"
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"version": "0.13.1",
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@ -243,11 +211,6 @@
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@ -303,15 +266,6 @@
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"version": "3.0.0",
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@ -326,11 +280,6 @@
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"retry": "^0.13.1"
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}
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},
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"p-timeout": {
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"version": "0.13.1",
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"resolved": "https://registry.npmjs.org/retry/-/retry-0.13.1.tgz",
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@ -21,7 +21,6 @@
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"applause-cli": "^1.7.0",
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"jpake": "^1.0.1",
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"nexline": "^1.2.2",
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"p-queue": "^7.1.0",
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"p-reflect": "^3.0.0",
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"p-retry": "^5.0.0",
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"systeminformation": "^5.9.4",
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@ -1,11 +1,14 @@
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"use strict";
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import { once, EventEmitter } from 'events';
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import Agent from './agent/Agent.mjs';
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import InfoBroker from './core/InfoBroker.mjs';
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class SystemQuery {
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class SystemQuery extends EventEmitter {
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constructor(config, mode = "agent") {
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super();
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// The operating mode. Possible values: agent [default], query_client
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// TODO: Is this the best way of doing this? Maybe we should have a separate class for this? I'm not sure.
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this.mode = mode;
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@ -43,13 +46,21 @@ class SystemQuery {
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}
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async capture_query_response(event_name, ac) {
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return await once(this.agent, `message-${event_name}`, { signal: ac });
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}
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async fetch_table(name) {
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*fetch_table(name) {
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// If it isn't valid for us, it ain't gonna be valid for anyone else....
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if(!this.info.is_valid_table(name)) return null;
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const responses = {}; // peer id → table
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const handle_response = async (peer, msg) => {
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const queue = new p_queue({ })
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const peers_seen = [];
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while(peers_seen.length < this.agent.connected_peers.length) {
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}
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const handle_response = (peer, msg) => {
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// 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.
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// 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.
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if(no_peers_left_or_hit_timeout) {
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@ -14,6 +14,9 @@ import parse_peer_name from '../parse/peer_name.mjs';
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import hostuuid from '../io/hostuuid.mjs';
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class Agent extends EventEmitter {
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get connected_peers() { return this.server.connected_peers; }
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get connecting_peers() { return this.server.connecting_peers; }
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constructor(config) {
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super();
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"use strict";
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import { EventEmitter, once } from 'events';
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class ItemQueue extends EventEmitter {
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constructor() {
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super();
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this.items = [];
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}
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__push_single(item) {
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this.items.push(item);
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this.emit("push", item);
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}
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push(...items) {
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}
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async pop(time_limit = 0) {
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if(this.items.length === 0) {
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}
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this.pop()
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}
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wait_for_item(time_limit_ms = 0) {
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const ac = new AbortController();
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let timeout = null;
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if(time_limit_ms > 0) {
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timeout = setTimeout(() => {
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ac.abort();
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}, time_limit_ms);
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}
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let item = await once(this, "push", { signal: ac.signal });
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if(timeout !== null)
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clearTimeout(timeout);
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this.items.splice(this.items.indexOf(item));
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return item;
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}
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wait_empty() {
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}
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}
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export default ItemQueue;
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