[feature/multicast-dns] Added support for custom DNS server IP

src/index.ts

@@ -15,6 +15,7 @@ export interface MulticastDNSOptions {
   interval?: number
   serviceTag?: string
   port?: number
+  ip?: string
   compat?: boolean
   compatQueryPeriod?: number
   compatQueryInterval?: number
@@ -27,6 +28,7 @@ export class MulticastDNS extends EventEmitter<PeerDiscoveryEvents> implements P
   private readonly interval: number
   private readonly serviceTag: string
   private readonly port: number
+  private readonly ip: string
   private _queryInterval: ReturnType<typeof setInterval> | null
   private readonly _goMdns?: GoMulticastDNS
   private components: Components = new Components()
@@ -80,7 +82,7 @@ export class MulticastDNS extends EventEmitter<PeerDiscoveryEvents> implements P
       return
     }
 
-    this.mdns = multicastDNS({ port: this.port })
+    this.mdns = multicastDNS({ port: this.port, ip: this.ip })
     this.mdns.on('query', this._onMdnsQuery)
     this.mdns.on('response', this._onMdnsResponse)