NetworkTransport.Receive

public static Networking.NetworkEventType Receive (out int hostId, out int connectionId, out int channelId, byte[] buffer, int bufferSize, out int receivedSize, out byte error);

参数

hostId	与事件关联的主机 ID。
connectionId	收到事件的 connectionID。
channelId	与事件关联的通道 ID。
buffer	用于保存所接收数据的缓冲区。
bufferSize	提供的缓冲区的大小。
receivedSize	实际收到的数据大小。
error	错误（可以转换为 NetworkError 以便了解更多信息）。

NetworkEventType 返回的事件的类型。

描述

被调用以便轮询底层系统中的事件。

using UnityEngine;
using UnityEngine.Networking;

public class ConnectExample : MonoBehaviour
{
    int connectionId;
    int channelId;
    int hostId;

    void Start()
    {
        // Init Transport using default values.
        NetworkTransport.Init();

        // Create a connection config and add a Channel.
        ConnectionConfig config = new ConnectionConfig();
        channelId = config.AddChannel(QosType.Reliable);

        // Create a topology based on the connection config.
        HostTopology topology = new HostTopology(config, 10);

        // Create a host based on the topology we just created, and bind the socket to port 12345.
        hostId = NetworkTransport.AddHost(topology, 12345);

        // Connect to the host with IP 10.0.0.42 and port 54321
        byte error;
        connectionId = NetworkTransport.Connect(hostId, "10.0.0.42", 54321, 0, out error);
    }

    void Update()
    {
        int outHostId;
        int outConnectionId;
        int outChannelId;

        int receivedSize;
        byte error;
        NetworkEventType evt = NetworkTransport.Receive(out outHostId, out outConnectionId, out outChannelId, buffer, buffer.Length, out receivedSize, out error);

        switch (evt)
        {
            case NetworkEventType.ConnectEvent:
            {
                OnConnect(outHostId, outConnectionId, (NetworkError)error);
                break;
            }
            case NetworkEventType.DisconnectEvent:
            {
                OnDisconnect(outHostId, outConnectionId, (NetworkError)error);
                break;
            }
            case NetworkEventType.DataEvent:
            {
                OnData(outHostId, outConnectionId, outChannelId, buffer, receivedSize, (NetworkError)error);
                break;
            }
            case NetworkEventType.BroadcastEvent:
            {
                OnBroadcast(outHostId, buffer, receivedSize, (NetworkError)error);
                break;
            }
            case NetworkEventType.Nothing:
                break;

            default:
                Debug.LogError("Unknown network message type received: " + evt);
                break;
        }
    }

    void OnConnect(int hostId, int connectionId, NetworkError error)
    {
        Debug.Log("OnConnect(hostId = " + hostId + ", connectionId = "
            + connectionId + ", error = " + error.ToString() + ")");
    }

    void OnDisconnect(int hostId, int connectionId, NetworkError error)
    {
        Debug.Log("OnDisconnect(hostId = " + hostId + ", connectionId = "
            + connectionId + ", error = " + error.ToString() + ")");
    }

    void OnBroadcast(int hostId, byte[] data, int size, NetworkError error)
    {
        Debug.Log("OnBroadcast(hostId = " + hostId + ", data = "
            + data + ", size = " + size + ", error = " + error.ToString() + ")");
    }

    void OnData(int hostId, int connectionId, int channelId, byte[] data, int size, NetworkError error)
    {
        Debug.Log("OnDisconnect(hostId = " + hostId + ", connectionId = "
            + connectionId + ", channelId = " + channelId + ", data = "
            + data + ", size = " + size + ", error = " + error.ToString() + ")");
    }
}

脚本 API

NetworkTransport.Receive

参数

返回

描述