private static IEnumerator _DownloadFile(string url, string savePath,
OnRequestSuccess onDownloadStart,
OnRequestSuccess onFinish,
OnRequestError onError,
OnRequestProgress onProgress)
{
var headRequest = UnityWebRequest.Head(url);
yield return(headRequest.SendWebRequest());
var totalSize = long.Parse(headRequest.GetResponseHeader("Content-Length"));
var fileInfo = new FileInfo(savePath);
if (fileInfo.Exists && fileInfo.Length == totalSize)
{
onFinish?.Invoke(headRequest);
}
else
{
using (var request = new UnityWebRequest(url, UnityWebRequest.kHttpVerbGET))
{
var handler = new DownloadHandlerFileRange(savePath, request);
request.downloadHandler = handler;
onDownloadStart?.Invoke(request);
var asyncOp = request.SendWebRequest();
while (!asyncOp.isDone)
{
yield return(null);
onProgress?.Invoke(asyncOp);
}
if (request.isNetworkError || request.isHttpError)
{
handler.Close();
if (onError != null)
{
Debug.LogWarningFormat("SendRequest Failed:\nresponseCode :{0}\nerror :{1}\nurl:{2}",
request.responseCode, request.error, request.url);
onError(request);
}
else
{
Debug.LogErrorFormat("SendRequest Failed:\nresponseCode :{0}\nerror :{1}\nurl:{2}",
request.responseCode, request.error, request.url);
}
}
else
{
Debug.LogFormat("Finish UnityWebRequest: {0}\nresponseCode :{1}", request.url,
request.responseCode);
onFinish?.Invoke(request);
}
}
}
}
private void _DownloadRes(PatchInfo patchInfo)
{
var patchZipUrl = $"{this._remoteRoot}/{patchInfo.fileName}?{DateTime.Now.Ticks}";
var savePath = ResManager.DocumentDirPath + patchInfo.fileName;
DownloadHandlerFileRange downloadHandler = null;
WebRequestMgr.DownloadFile(patchZipUrl, savePath, (e) =>
{
downloadHandler = e.downloadHandler as DownloadHandlerFileRange;
onMsg("开始下载...");
onProgress(0f);
}, (request) =>
{
onMsg("解压补丁包...");
onProgress(0.8f);
ZipTool.UncompressFile(savePath, ResManager.DocumentBundlePath);
FileExt.DeleteFile(savePath);
UpdateResVer(patchInfo.nextVer);
needReload = true;
//更新完毕再重新拉取最新patchInfo
FetchPatchInfo();
}, (request) =>
{
UpdateResVer(null);
onMsg("下载补丁包失败，忽略更新");
onProgress(1f);
onFinish();
}, (asyncOp) =>
{
if (downloadHandler != null)
{
long totalSize = downloadHandler.FileSize;
long curSize = downloadHandler.DownloadedSize;
onMsg($"下载补丁包中...({curSize}/{totalSize})({downloadHandler.DownloadProgress * 100}%)");
}
else
{
onMsg($"下载补丁包中...({asyncOp.webRequest.downloadedBytes}/{patchInfo.fileSize})");
}
onProgress(asyncOp.progress * 0.8f);
});
}
private IEnumerator DoDownload()
{
UnityWebRequest unityWebRequest = new UnityWebRequest(Url);
unityWebRequest.downloadHandler =
new DownloadHandlerFileRange(LocalPath, unityWebRequest, UseRange, FileSize);
DownloadHandlerFileRange handler = (DownloadHandlerFileRange)unityWebRequest.downloadHandler;
unityWebRequest.useHttpContinue = false;
handler.StartDownloadEvent += () =>
{
if (FileSize > -1 && FileSize != handler.FileSize)
{
ErrorText = "fileSize error: targetSize->" + handler.FileSize + " ConfigSize->" + FileSize;
_onError(this);
handler.Dispose();
unityWebRequest.Dispose();
unityWebRequest = null;
}
};
handler.ErrorEvent += () =>
{
ErrorText = "targetSize->" + handler.FileSize + " ConfigSize->" + FileSize;
_onError(this);
handler.Dispose();
unityWebRequest.Dispose();
unityWebRequest = null;
};
unityWebRequest.SendWebRequest();
if (unityWebRequest == null)
{
yield break;
}
while (unityWebRequest.isDone == false)
{
if (_isCancel)
{
_onCancel?.Invoke(this);
break;
}
_onProgress?.Invoke(handler.DownloadProgress);
yield return(null);
}
if (_isCancel == false)
{
if (unityWebRequest.isHttpError || unityWebRequest.isNetworkError)
{
ErrorText = unityWebRequest.error;
_onError?.Invoke(this);
}
else
{
CheckFile();
}
}
handler.Dispose();
unityWebRequest.Dispose();
}
