126 lines
3.4 KiB
C#
126 lines
3.4 KiB
C#
using System;
|
||
using UnityEngine.Networking;
|
||
using UnityEngine;
|
||
|
||
namespace YooAsset
|
||
{
|
||
internal abstract class UnityWebRequestOperation : AsyncOperationBase
|
||
{
|
||
protected UnityWebRequest _webRequest;
|
||
protected readonly string _requestURL;
|
||
|
||
// 超时相关
|
||
private readonly float _timeout;
|
||
private ulong _latestDownloadBytes;
|
||
private float _latestDownloadRealtime;
|
||
private bool _isAbort = false;
|
||
|
||
/// <summary>
|
||
/// HTTP返回码
|
||
/// </summary>
|
||
public long HttpCode { private set; get; }
|
||
|
||
/// <summary>
|
||
/// 当前下载的字节数
|
||
/// </summary>
|
||
public long DownloadedBytes { protected set; get; }
|
||
|
||
/// <summary>
|
||
/// 当前下载进度（0f - 1f）
|
||
/// </summary>
|
||
public float DownloadProgress { protected set; get; }
|
||
|
||
/// <summary>
|
||
/// 请求的URL地址
|
||
/// </summary>
|
||
public string URL
|
||
{
|
||
get { return _requestURL; }
|
||
}
|
||
|
||
internal UnityWebRequestOperation(string url, int timeout)
|
||
{
|
||
_requestURL = url;
|
||
_timeout = timeout;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 释放下载器
|
||
/// </summary>
|
||
protected void DisposeRequest()
|
||
{
|
||
if (_webRequest != null)
|
||
{
|
||
//注意：引擎底层会自动调用Abort方法
|
||
_webRequest.Dispose();
|
||
_webRequest = null;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 重置超时计时
|
||
/// </summary>
|
||
protected void ResetTimeout()
|
||
{
|
||
_latestDownloadBytes = 0;
|
||
_latestDownloadRealtime = Time.realtimeSinceStartup;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 检测超时
|
||
/// </summary>
|
||
protected void CheckRequestTimeout()
|
||
{
|
||
if (_webRequest.isDone)
|
||
return;
|
||
|
||
// 注意：在连续时间段内无新增下载数据及判定为超时
|
||
if (_isAbort == false)
|
||
{
|
||
if (_latestDownloadBytes != _webRequest.downloadedBytes)
|
||
{
|
||
_latestDownloadBytes = _webRequest.downloadedBytes;
|
||
_latestDownloadRealtime = Time.realtimeSinceStartup;
|
||
}
|
||
|
||
float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
|
||
if (offset > _timeout)
|
||
{
|
||
YooLogger.Warning($"Web request timeout : {_requestURL}");
|
||
_webRequest.Abort();
|
||
_isAbort = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 检测请求结果
|
||
/// </summary>
|
||
protected bool CheckRequestResult()
|
||
{
|
||
HttpCode = _webRequest.responseCode;
|
||
|
||
#if UNITY_2020_3_OR_NEWER
|
||
if (_webRequest.result != UnityWebRequest.Result.Success)
|
||
{
|
||
Error = $"URL : {_requestURL} Error : {_webRequest.error}";
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
#else
|
||
if (_webRequest.isNetworkError || _webRequest.isHttpError)
|
||
{
|
||
Error = $"URL : {_requestURL} Error : {_webRequest.error}";
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
#endif
|
||
}
|
||
}
|
||
} |