unity ping 一个服务器 ip 的工具类

来源：互联网发布：算命准吗知乎编辑：程序博客网时间：2024/06/03 12:26

最近公司需要对服务器进行速度侦测，而不依赖于服务器返回的时间戳，所以需要使用 unity 自带的 ping 类。

这里提供一个现成的工具类：

using UnityEngine;using System.Collections;public class UnityPing : MonoBehaviour{    private static string s_ip = "";    private static System.Action<int> s_callback = null;    private static UnityPing s_unityPing = null;    private static int s_timeout = 2;    public static void CreatePing(string ip, System.Action<int> callback)    {        if (string.IsNullOrEmpty(ip)) return;        if (callback == null) return;        if (s_unityPing != null) return;        s_ip = ip;        s_callback = callback;        GameObject go = new GameObject("UnityPing");        DontDestroyOnLoad(go);        s_unityPing = go.AddComponent<UnityPing>();    }    /// <summary>    /// 超时时间（单位秒）    /// </summary>    public static int Timeout    {        set        {            if (value > 0)            {                s_timeout = value;            }        }        get { return s_timeout; }    }    private void Start()    {        switch (Application.internetReachability)        {            case NetworkReachability.ReachableViaCarrierDataNetwork: // 3G/4G            case NetworkReachability.ReachableViaLocalAreaNetwork: // WIFI                {                    StopCoroutine(this.PingConnect());                    StartCoroutine(this.PingConnect());                }                break;            case NetworkReachability.NotReachable: // 网络不可用            default:                {                    if (s_callback != null)                    {                        s_callback(-1);                        Destroy(this.gameObject);                    }                }                break;        }    }    private void OnDestroy()    {        s_ip = "";        s_timeout = 20;        s_callback = null;        if (s_unityPing != null)        {            s_unityPing = null;        }    }    IEnumerator PingConnect()    {        // Ping網站         Ping ping = new Ping(s_ip);        int addTime = 0;        int requestCount = s_timeout * 10; // 0.1秒 请求 1 次，所以请求次数是 n秒 x 10        // 等待请求返回        while (!ping.isDone)        {            yield return new WaitForSeconds(0.1f);            // 链接失败            if (addTime > requestCount)            {                addTime = 0;                if (s_callback != null)                {                    s_callback(ping.time);                    Destroy(this.gameObject);                }                yield break;            }            addTime++;        }        // 链接成功        if (ping.isDone)        {            if (s_callback != null)            {                s_callback(ping.time);                Destroy(this.gameObject);            }            yield return null;        }    }}

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