/// <summary>
/// 将分块续传的文件释放出来并删除分块续传文件
/// </summary>
/// <returns></returns>
public async Task <bool> Release()
{
string filePath = this.downloadPartPath.Replace(DownloadFile.Ext, string.Empty);
if (System.IO.File.Exists(filePath))
{
System.IO.File.Delete(filePath);
}
using (FileStream write = System.IO.File.Create(filePath))
{
this.fileStream.Position = this.Position;
await this.fileStream.CopyToAsync(write);
}
//校验服务器上的md5 如果服务器上下载数据不包含md5则视为md5校验通过
if (this.MD5 == null || this.MD5 == MD5Tools.GetFileMd5(filePath))
{
this.fileStream?.Dispose();
System.IO.File.Delete(this.downloadPartPath);
return(true);
}
else
{
System.IO.File.Delete(filePath);
return(false);
}
}
/// <summary>
///
/// </summary>
/// <param name="uri"></param>
/// <returns></returns>
public async void Download(string filePath)
{
bool success = false;
string downloadPartPath = Path.Combine(filePath + ".downloadPart");
string url = this.DownloadUrl + "?fileName=" + Path.GetFileName(filePath);
using (FileStream fileStream = File.Create(downloadPartPath))
using (HttpClient httpClient = new HttpClient()
{
Timeout = TimeSpan.FromSeconds(30)
})
{
try
{
httpClient.DefaultRequestHeaders.Range = new RangeHeaderValue(0, null);
HttpResponseMessage httpResponseMessage = await httpClient.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
long?contentLength = httpResponseMessage.Content.Headers.ContentLength;
if (httpResponseMessage.Content.Headers.ContentRange != null) //如果为空，则说明服务器不支持断点续传
{
contentLength = httpResponseMessage.Content.Headers.ContentRange.Length; //服务器上的文件大小
}
string md5 = httpResponseMessage.Content.Headers.ContentMD5 == null ? null : Convert.ToBase64String(httpResponseMessage.Content.Headers.ContentMD5);
Stream stream = await httpResponseMessage.Content.ReadAsStreamAsync();
stream.ReadTimeout = 10 * 1000;
DownloadFile downloadFile = new DownloadFile()
{
Length = contentLength,
MD5 = md5,
RangeBegin = 0,
URL = url
};
await Download(stream, fileStream, downloadFile);
if (md5 == null || md5 == MD5Tools.GetFileMd5(downloadPartPath))
{
success = true;
}
}
catch (Exception ex)
{
this.OnDownloadError(ex.Message);
}
}
if (success)
{
try
{
File.Move(downloadPartPath, filePath);
}
catch (Exception ex)
{
this.OnDownloadError(ex.Message);
}
}
this.OnDownloadCompleted(success);
}
public FileScan(string dir, string name, bool calcMD5 = true)
{
this.FullPath = Path.Combine(dir, name);
this.Length = new FileInfo(this.FullPath).Length;
this.Version = System.Diagnostics.FileVersionInfo.GetVersionInfo(this.FullPath).ProductVersion;
this.Name = name;
if (calcMD5)
{
this.MD5 = MD5Tools.GetFileMd5(this.FullPath);
}
}
public void OnPreprocessBuild(BuildTarget InTarget, string InPath)
{
string streamingAssetsPath = Application.streamingAssetsPath;
if (!Directory.Exists(streamingAssetsPath))
{
return;
}
List <FileInfo> fileInfos = FileTools.GetAllFileInfos(streamingAssetsPath);
if (null == fileInfos)
{
return;
}
List <FileInfo> dbFileInfos = new List <FileInfo>();
int count = fileInfos.Count;
for (int i = 0; i < count; i++)
{
if (fileInfos[i].Extension == ".db")
{
dbFileInfos.Add(fileInfos[i]);
}
}
SQLite3Data data = Resources.Load <SQLite3Data>("Sqlite3Data");
string dataPath = AssetDatabase.GetAssetPath(data);
data = ScriptableObject.CreateInstance <SQLite3Data>();
int dbCount = dbFileInfos.Count;
data.AllData = new List <SQLite3SingleData>(dbCount);
for (int i = 0; i < dbCount; i++)
{
SQLite3SingleData singleData = new SQLite3SingleData
{
Name = dbFileInfos[i].Name,
LocalName = MD5Tools.GetStringMd5(dbFileInfos[i].Name),
Md5 = MD5Tools.GetFileMd5(dbFileInfos[i].FullName)
};
string dirPath = dbFileInfos[i].DirectoryName;
singleData.Directory = string.IsNullOrEmpty(dirPath) || dirPath == streamingAssetsPath
? string.Empty
: dirPath.Replace('\\', '/').Replace(streamingAssetsPath, string.Empty);
data.AllData.Add(singleData);
}
AssetDatabase.CreateAsset(data, dataPath);
AssetDatabase.SaveAssets();
}
private static void WriteVersion(string InStreamPath)
{
FileInfo[] buildFileInfos = new DirectoryInfo(InStreamPath).GetFiles();
int len = buildFileInfos.Length;
List <BuildInfo> buildInfos = new List <BuildInfo>();
for (int i = 0; i < len; ++i)
{
if (buildFileInfos[i].Extension == ".manifest" || buildFileInfos[i].Extension == ".meta")
{
buildFileInfos[i].Delete();
continue;
}
if (buildFileInfos[i].Name == "Audio")
{
buildFileInfos[i].Delete();
continue;
}
buildInfos.Add(new BuildInfo(buildFileInfos[i].Name,
MD5Tools.GetFileMd5(Path.Combine(InStreamPath, buildFileInfos[i].Name))));
}
using (FileStream fs = new FileStream(Path.Combine(InStreamPath, "45264b0d287afd9795f479a7882b3765"),
FileMode.Create,
FileAccess.ReadWrite, FileShare.ReadWrite))
{
using (StreamWriter sw = new StreamWriter(fs))
{
foreach (BuildInfo buildInfo in buildInfos)
{
sw.WriteLine(buildInfo.ToString());
}
sw.Flush();
sw.Close();
}
fs.Close();
}
}
/// <summary>
/// 断点续传下载
/// </summary>
/// <param name="uri"></param>
/// <returns></returns>
public async void ResumeDownload(string partPath)
{
bool success = false;
using (FileStream fileStream = System.IO.File.Open(partPath, FileMode.Open))
using (HttpClient httpClient = new HttpClient()
{
Timeout = TimeSpan.FromSeconds(30)
})
{
DownloadFile downloadFile = DownloadFile.FromFileStream(fileStream);
if (downloadFile == null) //为空说明已经完成
{
success = true;
}
else
{
try
{
httpClient.DefaultRequestHeaders.Range = new RangeHeaderValue(downloadFile.RangeBegin, null);
HttpResponseMessage httpResponseMessage = await httpClient.GetAsync(downloadFile.URL, HttpCompletionOption.ResponseHeadersRead);
long?contentLength = httpResponseMessage.Content.Headers.ContentLength;
if (httpResponseMessage.Content.Headers.ContentRange != null) //如果为空，则说明服务器不支持断点续传
{
contentLength = httpResponseMessage.Content.Headers.ContentRange.Length; //服务器上的文件大小
}
string md5 = httpResponseMessage.Content.Headers.ContentMD5 == null ? null : Convert.ToBase64String(httpResponseMessage.Content.Headers.ContentMD5);
if (md5 != downloadFile.MD5)
{
throw new Exception("服务器的上的版本已经变化");
}
Stream stream = await httpResponseMessage.Content.ReadAsStreamAsync();
stream.ReadTimeout = 10 * 1000;
await Download(stream, fileStream, downloadFile);
if (fileStream.Length == downloadFile.Length)
{
if (md5 == null || md5 == MD5Tools.GetFileMd5(partPath))
{
success = true;
}
}
else
{
success = false;
}
}
catch (Exception ex)
{
//请求错误
this.OnDownloadError(new ErrorArgs(ex.Message));
}
}
}
if (success)
{
try
{
System.IO.File.Move(partPath, partPath.Replace(".downloadPart", ""));
}
catch (Exception ex)
{
this.OnDownloadError(new ErrorArgs(ex.Message));
}
}
this.OnDownloadCompleted(new CompletedArgs(success));
}