private IEnumerator DownloadSingleFile(SingleFileDownloadRequest sr)
{
FileUtils.DeleteFile(sr.targetPath);
var request = UnityWebRequest.Get(sr.url);
request.downloadHandler = new DownloadHandlerFile(sr.targetPath);
yield return(request.SendWebRequest());
var(errorType, errorMsg) = CheckWebRequestError(sr, request);
request.Dispose();
if (errorType != WebRequestError.None)
{
CommonLog.Error(MAuthor.WY, errorMsg);
var displayError = errorType == WebRequestError.Raw ? errorMsg : $"错误码:10{(int) errorType}";
var mb = MessageBox.Show("提示", $"获取服务器文件{Path.GetFileName(sr.url)} 失败 {displayError}", "重试", "退出");
yield return(mb);
if (mb.isOk)
{
StartUpdate();
}
else
{
Quit();
}
sr.success = false;
yield break;
}
sr.success = true;
}
private (WebRequestError, string) CheckWebRequestError(SingleFileDownloadRequest sr,
UnityWebRequest request)
{
var error = request.error;
if (!string.IsNullOrEmpty(error))
{
return(WebRequestError.Raw, error);
}
if (!File.Exists(sr.targetPath))
{
error = $"download finish but {sr.targetPath} not exist";
return(WebRequestError.NoExist, error);
}
if (sr.md5 != null)
{
var bs = File.ReadAllBytes(sr.targetPath);
var md5Struct = MD5Creater.GenerateMd5Code(bs);
var bm = sr.md5.Value;
if (md5Struct.MD51 != bm.MD51 || md5Struct.MD52 != bm.MD52)
{
error =
$"download file {sr.targetPath} md5 error {md5Struct.GetMD5Str(false)}->{bm.GetMD5Str(false)}";
return(WebRequestError.Md5, error);
}
}
return(WebRequestError.None, null);
}
private IEnumerator RequestVersions()
{
OnMessage("正在获取版本信息...");
if (Application.internetReachability == NetworkReachability.NotReachable)
{
var mb = MessageBox.Show("提示", "请检查网络连接状态", "重试", "退出");
yield return(mb);
if (mb.isOk)
{
StartUpdate();
}
else
{
Quit();
}
yield break;
}
var versionFilePath = _tempDownloadPath + VersionInfoFileName;
var singleFileDownloadRequest = new SingleFileDownloadRequest();
singleFileDownloadRequest.Reset(GetDownloadURL(VersionInfoFileName), versionFilePath);
yield return(DownloadSingleFile(singleFileDownloadRequest));
if (!singleFileDownloadRequest.success)
{
yield break;
}
VersionInfo versionInfo;
try
{
var versionFileStr = File.ReadAllText(versionFilePath);
versionInfo = versionFileStr.FromXML <VersionInfo>();
}
catch (Exception e)
{
CommonLog.Error(e.Message);
MessageBox.Show("提示", "版本文件加载失败", "重试", "退出").onComplete +=
delegate(MessageBox.EventId id)
{
if (id == MessageBox.EventId.Ok)
{
StartUpdate();
}
else
{
Quit();
}
};
yield break;
}
var state = versionInfo.CheckUpdateState(AssetBundleManager.Instance.GetVersion());
_currentTargetVersion = versionInfo;
var versionStr = versionInfo.DumpVersion();
CommonLog.Log(MAuthor.WY, $"check version {versionStr} result {state}");
if (state == VersionInfo.State.NeedUpdate)
{
//下载xmf
var xmfFileName = AssetBundlePathResolver.BundleSaveDirName + FileMapGroupInfo.FileExtension;
var xmfTargetPath = _tempDownloadPath + xmfFileName;
singleFileDownloadRequest.Reset(GetDownloadURL(xmfFileName, versionStr), xmfTargetPath,
new MD5Creater.MD5Struct
{
MD51 = versionInfo.AssetBundlesCacheXmfMd51, MD52 = versionInfo.AssetBundlesCacheXmfMd52
});
yield return(DownloadSingleFile(singleFileDownloadRequest));
if (!singleFileDownloadRequest.success)
{
yield break;
}
//下载AssetBundleXMLData.xml
var xmlPath = _tempDownloadPath + AssetBundlePathResolver.DependFileName;
singleFileDownloadRequest.Reset(
GetDownloadURL(AssetBundlePathResolver.DependFileName, versionStr), xmlPath,
new MD5Creater.MD5Struct
{
MD51 = versionInfo.AssetBundleXmlMd51, MD52 = versionInfo.AssetBundleXmlMd52
});
yield return(DownloadSingleFile(singleFileDownloadRequest));
if (!singleFileDownloadRequest.success)
{
yield break;
}
var tableStr = File.ReadAllText(xmlPath);
_currentDownloadAssetBundleTable = tableStr.FromXML <AssetBundleTable>();
var newFileMap = new FileMapSystem.FileMapSystem(_tempDownloadPath);
var bs = File.ReadAllBytes(xmfTargetPath);
newFileMap.InitFileMapInfo(bs);
PrepareDownloads(newFileMap, versionStr);
_step = Step.Prepared;
}
else
{
switch (state)
{
case VersionInfo.State.MustDownloadAppAgain:
{
#if UNITY_ANDROID
ShowAndroidUpdateDialog(versionInfo.AppUpdateUrl);
yield break;
#elif UNITY_IOS
ShowIOSUpdateDialog(versionInfo.AppUpdateUrl);
yield break;
#else
var mb = MessageBox.Show("提示", $"需要重新下载app");
yield return(mb);
Quit();
#endif
break;
}
case VersionInfo.State.NotNeedUpdate:
{
OnComplete();
break;
}
}
}
}