103 lines
2.7 KiB
C#
103 lines
2.7 KiB
C#
|
using System;
|
|||
|
|
using System.Collections;
|
|||
|
|
using System.Collections.Concurrent;
|
|||
|
|
using UnityEngine.Networking;
|
|||
|
|
using UnityEngine;
|
|||
|
|
|
|||
|
|
namespace YooAsset
|
|||
|
|
{
|
|||
|
|
internal abstract class UnityWebRequestOperation : AsyncOperationBase
|
|||
|
|
{
|
|||
|
|
protected enum ESteps
|
|||
|
|
{
|
|||
|
|
None,
|
|||
|
|
CreateRequest,
|
|||
|
|
Download,
|
|||
|
|
Done,
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected UnityWebRequest _webRequest;
|
|||
|
|
protected readonly string _requestURL;
|
|||
|
|
protected ESteps _steps = ESteps.None;
|
|||
|
|
|
|||
|
|
// 超时相关
|
|||
|
|
protected readonly float _timeout;
|
|||
|
|
protected ulong _latestDownloadBytes;
|
|||
|
|
protected float _latestDownloadRealtime;
|
|||
|
|
private bool _isAbort = false;
|
|||
|
|
|
|||
|
|
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)
|
|||
|
|
{
|
|||
|
|
_webRequest.Dispose();
|
|||
|
|
_webRequest = null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 检测超时
|
|||
|
|
/// </summary>
|
|||
|
|
protected void CheckRequestTimeout()
|
|||
|
|
{
|
|||
|
|
// 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)
|
|||
|
|
{
|
|||
|
|
_webRequest.Abort();
|
|||
|
|
_isAbort = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 检测请求结果
|
|||
|
|
/// </summary>
|
|||
|
|
protected bool CheckRequestResult()
|
|||
|
|
{
|
|||
|
|
#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
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|