94 lines
3.4 KiB
C#
94 lines
3.4 KiB
C#
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using System;
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using System.Net;
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using UnityEngine;
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using UnityEngine.Events;
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namespace Mirror.Discovery
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{
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[Serializable]
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public class ServerFoundUnityEvent<TResponseType> : UnityEvent<TResponseType> {};
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[DisallowMultipleComponent]
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[AddComponentMenu("Network/Network Discovery")]
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public class NetworkDiscovery : NetworkDiscoveryBase<ServerRequest, ServerResponse>
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{
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#region Server
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/// <summary>
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/// Process the request from a client
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/// </summary>
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/// <remarks>
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/// Override if you wish to provide more information to the clients
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/// such as the name of the host player
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/// </remarks>
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/// <param name="request">Request coming from client</param>
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/// <param name="endpoint">Address of the client that sent the request</param>
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/// <returns>The message to be sent back to the client or null</returns>
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protected override ServerResponse ProcessRequest(ServerRequest request, IPEndPoint endpoint)
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{
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// In this case we don't do anything with the request
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// but other discovery implementations might want to use the data
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// in there, This way the client can ask for
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// specific game mode or something
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try
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{
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// this is an example reply message, return your own
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// to include whatever is relevant for your game
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return new ServerResponse
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{
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serverId = ServerId,
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uri = transport.ServerUri()
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};
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}
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catch (NotImplementedException)
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{
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Debug.LogError($"Transport {transport} does not support network discovery");
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throw;
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}
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}
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#endregion
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#region Client
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/// <summary>
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/// Create a message that will be broadcasted on the network to discover servers
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/// </summary>
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/// <remarks>
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/// Override if you wish to include additional data in the discovery message
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/// such as desired game mode, language, difficulty, etc... </remarks>
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/// <returns>An instance of ServerRequest with data to be broadcasted</returns>
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protected override ServerRequest GetRequest() => new ServerRequest();
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/// <summary>
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/// Process the answer from a server
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/// </summary>
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/// <remarks>
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/// A client receives a reply from a server, this method processes the
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/// reply and raises an event
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/// </remarks>
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/// <param name="response">Response that came from the server</param>
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/// <param name="endpoint">Address of the server that replied</param>
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protected override void ProcessResponse(ServerResponse response, IPEndPoint endpoint)
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{
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// we received a message from the remote endpoint
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response.EndPoint = endpoint;
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// although we got a supposedly valid url, we may not be able to resolve
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// the provided host
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// However we know the real ip address of the server because we just
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// received a packet from it, so use that as host.
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UriBuilder realUri = new UriBuilder(response.uri)
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{
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Host = response.EndPoint.Address.ToString()
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};
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response.uri = realUri.Uri;
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OnServerFound.Invoke(response);
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}
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#endregion
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}
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}
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