public async ETTask StartAsync(string url)
{
// 获取远程的Version.txt
string versionUrl = "";
try
{
using (UnityWebRequestAsync webRequestAsync = EntityFactory.Create <UnityWebRequestAsync>(this.Domain))
{
versionUrl = url + "StreamingAssets/" + "Version.txt";
//Log.Debug(versionUrl);
await webRequestAsync.DownloadAsync(versionUrl);
remoteVersionConfig = JsonHelper.FromJson <VersionConfig>(webRequestAsync.Request.downloadHandler.text);
//Log.Debug(JsonHelper.ToJson(this.VersionConfig));
}
}
catch (Exception e)
{
throw new Exception($"url: {versionUrl}", e);
}
// 获取streaming目录的Version.txt
VersionConfig streamingVersionConfig;
string versionPath = Path.Combine(PathHelper.AppResPath4Web, "Version.txt");
using (UnityWebRequestAsync request = EntityFactory.Create <UnityWebRequestAsync>(this.Domain))
{
await request.DownloadAsync(versionPath);
streamingVersionConfig = JsonHelper.FromJson <VersionConfig>(request.Request.downloadHandler.text);
}
// 删掉远程不存在的文件
DirectoryInfo directoryInfo = new DirectoryInfo(PathHelper.AppHotfixResPath);
if (directoryInfo.Exists)
{
FileInfo[] fileInfos = directoryInfo.GetFiles();
foreach (FileInfo fileInfo in fileInfos)
{
if (remoteVersionConfig.FileInfoDict.ContainsKey(fileInfo.Name))
{
continue;
}
if (fileInfo.Name == "Version.txt")
{
continue;
}
fileInfo.Delete();
}
}
else
{
directoryInfo.Create();
}
// 对比MD5
foreach (FileVersionInfo fileVersionInfo in remoteVersionConfig.FileInfoDict.Values)
{
// 对比md5
string localFileMD5 = BundleHelper.GetBundleMD5(streamingVersionConfig, fileVersionInfo.File);
if (fileVersionInfo.MD5 == localFileMD5)
{
continue;
}
this.bundles.Enqueue(fileVersionInfo.File);
this.TotalSize += fileVersionInfo.Size;
}
}
public override string ToString()
{
return(JsonHelper.ToJson(this));
}
public static T ToObject <T>(string str)
{
return(JsonHelper.FromJson <T>(str));
}