107 lines
3.4 KiB
C#
107 lines
3.4 KiB
C#
|
using System.IO;
|
|||
|
|
using UnityEngine.Networking;
|
|||
|
|
|
|||
|
|
namespace YooAsset
|
|||
|
|
{
|
|||
|
|
internal class FileGeneralRequest : IWebRequester
|
|||
|
|
{
|
|||
|
|
private UnityWebRequest _webRequest;
|
|||
|
|
|
|||
|
|
public ERequestStatus Status { private set; get; } = ERequestStatus.None;
|
|||
|
|
public float DownloadProgress { private set; get; }
|
|||
|
|
public ulong DownloadedBytes { private set; get; }
|
|||
|
|
public string RequestNetError { private set; get; }
|
|||
|
|
public long RequestHttpCode { private set; get; }
|
|||
|
|
|
|||
|
|
public FileGeneralRequest() { }
|
|||
|
|
public void Create(string requestURL, BundleInfo bundleInfo, params object[] args)
|
|||
|
|
{
|
|||
|
|
if (Status != ERequestStatus.None)
|
|||
|
|
throw new System.Exception("Should never get here !");
|
|||
|
|
|
|||
|
|
string tempFilePath = bundleInfo.TempDataFilePath;
|
|||
|
|
|
|||
|
|
// 删除临时文件
|
|||
|
|
if (File.Exists(tempFilePath))
|
|||
|
|
File.Delete(tempFilePath);
|
|||
|
|
|
|||
|
|
// 创建下载器
|
|||
|
|
_webRequest = DownloadHelper.NewRequest(requestURL);
|
|||
|
|
DownloadHandlerFile handler = new DownloadHandlerFile(tempFilePath);
|
|||
|
|
handler.removeFileOnAbort = true;
|
|||
|
|
_webRequest.downloadHandler = handler;
|
|||
|
|
_webRequest.disposeDownloadHandlerOnDispose = true;
|
|||
|
|
_webRequest.SendWebRequest();
|
|||
|
|
Status = ERequestStatus.InProgress;
|
|||
|
|
}
|
|||
|
|
public void Update()
|
|||
|
|
{
|
|||
|
|
if (Status == ERequestStatus.None)
|
|||
|
|
return;
|
|||
|
|
if (IsDone())
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
DownloadProgress = _webRequest.downloadProgress;
|
|||
|
|
DownloadedBytes = _webRequest.downloadedBytes;
|
|||
|
|
if (_webRequest.isDone == false)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
// 检查网络错误
|
|||
|
|
#if UNITY_2020_3_OR_NEWER
|
|||
|
|
RequestHttpCode = _webRequest.responseCode;
|
|||
|
|
if (_webRequest.result != UnityWebRequest.Result.Success)
|
|||
|
|
{
|
|||
|
|
RequestNetError = _webRequest.error;
|
|||
|
|
Status = ERequestStatus.Error;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Status = ERequestStatus.Success;
|
|||
|
|
}
|
|||
|
|
#else
|
|||
|
|
RequestHttpCode = _webRequest.responseCode;
|
|||
|
|
if (_webRequest.isNetworkError || _webRequest.isHttpError)
|
|||
|
|
{
|
|||
|
|
RequestNetError = _webRequest.error;
|
|||
|
|
Status = ERequestStatus.Error;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Status = ERequestStatus.Success;
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
// 最终释放下载器
|
|||
|
|
DisposeWebRequest();
|
|||
|
|
}
|
|||
|
|
public void Abort()
|
|||
|
|
{
|
|||
|
|
DisposeWebRequest();
|
|||
|
|
if (IsDone() == false)
|
|||
|
|
{
|
|||
|
|
RequestNetError = "user abort";
|
|||
|
|
RequestHttpCode = 0;
|
|||
|
|
Status = ERequestStatus.Error;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
public bool IsDone()
|
|||
|
|
{
|
|||
|
|
if (Status == ERequestStatus.Success || Status == ERequestStatus.Error)
|
|||
|
|
return true;
|
|||
|
|
else
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
public object GetRequestObject()
|
|||
|
|
{
|
|||
|
|
throw new System.NotImplementedException();
|
|||
|
|
}
|
|||
|
|
private void DisposeWebRequest()
|
|||
|
|
{
|
|||
|
|
if (_webRequest != null)
|
|||
|
|
{
|
|||
|
|
_webRequest.Dispose(); //注意：引擎底层会自动调用Abort方法
|
|||
|
|
_webRequest = null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|