GlobalConfig.ConnectionReadyForSend

描述

定义可用于在连接支持发送数据时获取通知的回调委托。

仅在您通过调用 NetworkTransport.NotifyWhenConnectionReadyForSend 明确指出要接收此通知时调用该回调。

此回调将从 IO 线程调用。如果您通过此回调长时间执行某个操作，它会影响您的 IO 操作性能，因此，您应尽快从此类操作中返回。

using System;
using UnityEngine;
using UnityEngine.Networking;

public class Test : MonoBehaviour
{
    static bool isSend = true;
    //...

    public static void SendCallback(int hostId, int connectionId)
    {
        isSend = true;  //we can send again
    }

    void Start()
    {
        GlobalConfig config = new GlobalConfig();
        config.ConnectionReadyForSend = SendCallback;  //set up callback for send notification

        NetworkTransport.Init(config);


        //....
    }

    void Update()
    {
        int testHostId = 1;
        int testConnectionId = 1;
        int testChannelId = 1;
        var testArray = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
        byte error;
        while (isSend)
        {
            isSend = NetworkTransport.Send(testHostId, testConnectionId, testChannelId, testArray, testArray.Length, out error);
            if (isSend == false)
            {
                NetworkTransport.NotifyWhenConnectionReadyForSend(testHostId, testConnectionId, 2, out error);  //ask lib to call SendCallback() when connection will be ready again and we will be able to send as minimum 2 messages
                break;
            }
        }
    }
}