LumeWeb
/
dht-flood
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Compare commits

base: LumeWeb:81191ed7ce7195ccb1bf31019f78a8576e5b2b99
Branches Tags
LumeWeb:master
...
compare: LumeWeb:4f8918f8e9768485a4b0d49f1feb4c565b745541
Branches Tags
LumeWeb:master

4 Commits
81191ed7ce ... 4f8918f8e9

Author SHA1 Message Date
Derrick Hammer 4f8918f8e9
*Update dist 2022-11-27 03:37:23 -05:00
Derrick Hammer bebdc7d0d4
*Reformat 2022-11-27 03:37:02 -05:00
Derrick Hammer fcfdd51908
*Remove peer1 connection listener after broadcast 2022-11-27 03:36:42 -05:00
Derrick Hammer ce1854de83
*Track peer closed handlers outside of protomux with a map 2022-11-27 03:34:26 -05:00
4 changed files with 69 additions and 56 deletions
Show Stats Expand all files Collapse all files

2
dist/index.d.ts.map vendored
View File

@ -1 +1 @@
{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;AAAA,OAAO,YAAY,MAAM,QAAQ,CAAC;AAkBlC,eAAO,MAAM,YAAY,eAAuB,CAAC;AAEjD,MAAM,CAAC,OAAO,OAAO,QAAS,SAAQ,YAAY;IAChD,OAAO,CAAC,EAAE,CAAS;IACnB,OAAO,CAAC,GAAG,CAAS;IACpB,OAAO,CAAC,aAAa,CAAS;IAC9B,OAAO,CAAC,GAAG,CAAM;IACjB,OAAO,CAAC,KAAK,CAAM;IACnB,OAAO,CAAC,QAAQ,CAAS;gBAEb,EACV,OAAkB,EAClB,GAAS,EACT,aAAiB,EACjB,EAA2B,EAC3B,KAAY,EACZ,QAAmB,GACpB;;;;;;;KAAK;IAmBN,OAAO,CAAC,aAAa;IAkCrB,OAAO,CAAC,SAAS;IA+CjB,SAAS,CAAC,IAAI,EAAE,GAAG,EAAE,GAAG,SAAW;IAenC,IAAI,CAAC,IAAI,EAAE,GAAG,EAAE,IAAI,EAAE,GAAG,EAAE,GAAG,SAAW;CAY1C"}
{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;AAAA,OAAO,YAAY,MAAM,QAAQ,CAAC;AAkBlC,eAAO,MAAM,YAAY,eAAuB,CAAC;AAIjD,MAAM,CAAC,OAAO,OAAO,QAAS,SAAQ,YAAY;IAChD,OAAO,CAAC,EAAE,CAAS;IACnB,OAAO,CAAC,GAAG,CAAS;IACpB,OAAO,CAAC,aAAa,CAAS;IAC9B,OAAO,CAAC,GAAG,CAAM;IACjB,OAAO,CAAC,KAAK,CAAM;IACnB,OAAO,CAAC,QAAQ,CAAS;gBAEb,EACV,OAAkB,EAClB,GAAS,EACT,aAAiB,EACjB,EAA2B,EAC3B,KAAY,EACZ,QAAmB,GACpB;;;;;;;KAAK;IAmBN,OAAO,CAAC,aAAa;IAkCrB,OAAO,CAAC,SAAS;IAqDjB,SAAS,CAAC,IAAI,EAAE,GAAG,EAAE,GAAG,SAAW;IAenC,IAAI,CAAC,IAAI,EAAE,GAAG,EAAE,IAAI,EAAE,GAAG,EAAE,GAAG,SAAW;CAY1C"}

12
dist/index.js vendored
View File

@ -20,6 +20,7 @@ const LRU_SIZE = 255;
const TTL = 255;
const PROTOCOL = "lumeweb.flood";
exports.FLOOD_SYMBOL = Symbol.for(PROTOCOL);
const closedMap = new Map();
class DHTFlood extends events_1.default {
id;
ttl;
@ -74,14 +75,19 @@ class DHTFlood extends events_1.default {
async onopen() {
self.emit("peer-open", peer);
},
async ondestroy() {
self.emit("peer-remove", peer);
},
});
if (chan) {
peer[exports.FLOOD_SYMBOL] = chan;
}
}
if (!closedMap.has(peer)) {
const close = () => {
self.emit("peer-remove", peer);
peer.removeListener("close", close);
closedMap.delete(peer);
};
peer.on("close", close);
}
chan = peer[exports.FLOOD_SYMBOL];
if (!chan) {
throw new Error("could not find channel");

16
src/index.ts
View File

@ -18,6 +18,8 @@ const PROTOCOL = "lumeweb.flood";
export const FLOOD_SYMBOL = Symbol.for(PROTOCOL);
const closedMap = new Map();
export default class DHTFlood extends EventEmitter {
private id: Buffer;
private ttl: number;
@ -91,22 +93,28 @@ export default class DHTFlood extends EventEmitter {
let chan: any;
const self = this;
if (!mux.opened({ protocol: this.protocol })) {
chan = mux.createChannel({
protocol: this.protocol,
async onopen() {
self.emit("peer-open", peer);
},
async ondestroy() {
self.emit("peer-remove", peer);
},
});
if (chan) {
peer[FLOOD_SYMBOL] = chan;
}
}
if (!closedMap.has(peer)) {
const close = () => {
self.emit("peer-remove", peer);
peer.removeListener("close", close);
closedMap.delete(peer);
};
peer.on("close", close);
}
chan = peer[FLOOD_SYMBOL];
if (!chan) {

85
test.js
View File

@ -1,62 +1,61 @@
const test = require('tape')
const Hyperswarm = require('hyperswarm')
const sodium = require('sodium-universal')
const b4a = require('b4a')
const { default: DHTFlood } = require('./')
const crypto = require('crypto')
const test = require("tape");
const Hyperswarm = require("hyperswarm");
const sodium = require("sodium-universal");
const b4a = require("b4a");
const { default: DHTFlood } = require("./");
const crypto = require("crypto");
const topicName = crypto.randomBytes(10)
const topicName = crypto.randomBytes(10);
test('Broadcast through several peers', (t) => {
const peer1 = createPeer()
const peer2 = createPeer()
const peer3 = createPeer()
t.plan(2)
test("Broadcast through several peers", (t) => {
const peer1 = createPeer();
const peer2 = createPeer();
const peer3 = createPeer();
t.plan(2);
Promise.all([peer1, peer2, peer3]).then((peers) => {
const peer1 = peers.shift()
const peer2 = peers.shift()
const peer3 = peers.shift()
const peer1 = peers.shift();
const peer2 = peers.shift();
const peer3 = peers.shift();
const flood1 = new DHTFlood({ swarm: peer1 })
const flood2 = new DHTFlood({ swarm: peer2 })
const flood3 = new DHTFlood({ swarm: peer3 })
const data = Buffer.from('Hello World')
const flood1 = new DHTFlood({ swarm: peer1 });
const flood2 = new DHTFlood({ swarm: peer2 });
const flood3 = new DHTFlood({ swarm: peer3 });
const data = Buffer.from("Hello World");
flood1.on('message', () => t.error('Got own message'))
flood1.on("message", () => t.error("Got own message"));
flood2.on('message', (message) => {
t.deepEquals(message, data, 'Data got broadcast')
})
flood3.on('message', (message) => {
t.deepEquals(message, data, 'Data got broadcast')
})
flood2.on("message", (message) => {
t.deepEquals(message, data, "Data got broadcast");
});
flood3.on("message", (message) => {
t.deepEquals(message, data, "Data got broadcast");
});
function maybeFlood () {
function maybeFlood() {
if (peer1.peers.size === 2) {
flood1.broadcast(data)
flood1.broadcast(data);
peer1.removeListener("connection", maybeFlood);
}
}
peer1.on('connection', () => {
maybeFlood()
})
peer1.on("connection", maybeFlood);
t.teardown(() => {
[peer1, peer2, peer3].forEach((item) => item.destroy())
})
})
})
[peer1, peer2, peer3].forEach((item) => item.destroy());
});
});
});
async function createPeer () {
const swarm = new Hyperswarm()
await swarm.dht.ready()
await swarm.listen()
async function createPeer() {
const swarm = new Hyperswarm();
await swarm.dht.ready();
await swarm.listen();
const topic = b4a.allocUnsafe(32)
sodium.crypto_generichash(topic, b4a.from(topicName))
const topic = b4a.allocUnsafe(32);
sodium.crypto_generichash(topic, b4a.from(topicName));
swarm.join(topic)
swarm.join(topic);
return swarm
return swarm;
}