public async ETTask DownloadAsync()
{
if (this.bundles.Count == 0 && this.downloadingBundle == "")
{
return;
}
try
{
while (true)
{
if (this.bundles.Count == 0)
{
break;
}
this.downloadingBundle = this.bundles.Dequeue();
while (true)
{
try
{
using (this.webRequest = EntityFactory.Create <UnityWebRequestAsync>(this.Domain))
{
await this.webRequest.DownloadAsync(Define.GetUrl() + "StreamingAssets/" + this.downloadingBundle);
byte[] data = this.webRequest.Request.downloadHandler.data;
string path = Path.Combine(Define.AppHotfixResPath, this.downloadingBundle);
using (FileStream fs = new FileStream(path, FileMode.Create))
{
fs.Write(data, 0, data.Length);
}
}
}
catch (Exception e)
{
Log.LogError($"download bundle error: {this.downloadingBundle}\n{e}");
continue;
}
break;
}
this.downloadedBundles.Add(this.downloadingBundle);
this.downloadingBundle = "";
this.webRequest = null;
}
}
catch (Exception e)
{
Log.LogError(e);
}
}
public async ETTask StartAsync()
{
// 获取远程的Version.txt
string versionUrl = "";
try
{
using (UnityWebRequestAsync webRequestAsync = EntityFactory.Create <UnityWebRequestAsync>(this.Domain))
{
versionUrl = Define.GetUrl() + "StreamingAssets/" + "Version.txt";
//Log.Debug(versionUrl);
await webRequestAsync.DownloadAsync(versionUrl);
remoteVersionConfig = JsonUtility.FromJson <VersionConfig>(webRequestAsync.Request.downloadHandler.text);
//Log.Debug(JsonHelper.ToJson(this.VersionConfig));
}
}
catch (Exception e)
{
throw new Exception($"url: {versionUrl}", e);
}
// 获取streaming目录的Version.txt
VersionConfig streamingVersionConfig;
string versionPath = Path.Combine(Define.AppResPath4Web, "Version.txt");
using (UnityWebRequestAsync request = EntityFactory.Create <UnityWebRequestAsync>(this.Domain))
{
await request.DownloadAsync(versionPath);
streamingVersionConfig = JsonUtility.FromJson <VersionConfig>(request.Request.downloadHandler.text);
}
// 删掉远程不存在的文件
DirectoryInfo directoryInfo = new DirectoryInfo(Define.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;
}
}
