mirror of
https://github.com/fluencelabs/js-libp2p
synced 2025-04-24 18:12:14 +00:00
15f7c2a974
* docs: fix spelling in api * fix: dont create peerstore twice * feat: add support for dial coalescing * doc(fix): add setPeerValue to API TOC * docs: add more jsdocs to dialer * chore: remove old comment * fix: ensure connections are closed * fix: registrar.getConnections returns first open conn * fix: directly set the closed status * chore: remove unneeded log * refactor: peerStore.put takes an options object
67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
'use strict'
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const EventEmitter = require('events')
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const multiaddr = require('multiaddr')
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const debug = require('debug')
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const log = debug('libp2p:circuit:listener')
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log.err = debug('libp2p:circuit:error:listener')
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/**
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* @param {*} circuit
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* @returns {Listener} a transport listener
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*/
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module.exports = (circuit) => {
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const listener = new EventEmitter()
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const listeningAddrs = new Map()
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/**
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* Add swarm handler and listen for incoming connections
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*
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* @param {Multiaddr} addr
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* @return {void}
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*/
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listener.listen = async (addr) => {
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const [addrString] = String(addr).split('/p2p-circuit').slice(-1)
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const relayConn = await circuit._dialer.connectToPeer(multiaddr(addrString))
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const relayedAddr = relayConn.remoteAddr.encapsulate('/p2p-circuit')
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listeningAddrs.set(relayConn.remotePeer.toB58String(), relayedAddr)
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listener.emit('listening')
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}
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/**
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* TODO: Remove the peers from our topology
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*
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* @return {void}
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*/
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listener.close = () => {}
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/**
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* Get fixed up multiaddrs
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*
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* NOTE: This method will grab the peers multiaddrs and expand them such that:
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*
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* a) If it's an existing /p2p-circuit address for a specific relay i.e.
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* `/ip4/0.0.0.0/tcp/0/ipfs/QmRelay/p2p-circuit` this method will expand the
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* address to `/ip4/0.0.0.0/tcp/0/ipfs/QmRelay/p2p-circuit/ipfs/QmPeer` where
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* `QmPeer` is this peers id
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* b) If it's not a /p2p-circuit address, it will encapsulate the address as a /p2p-circuit
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* addr, such when dialing over a relay with this address, it will create the circuit using
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* the encapsulated transport address. This is useful when for example, a peer should only
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* be dialed over TCP rather than any other transport
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*
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* @return {Multiaddr[]}
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*/
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listener.getAddrs = () => {
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const addrs = []
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for (const addr of listeningAddrs.values()) {
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addrs.push(addr)
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}
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return addrs
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}
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return listener
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}
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