/// <summary>
/// 获取初始化要下载的文件列表
/// </summary>
private void GetDownloadFileList()
{
downloadList.Clear();
totalDownloadSize = 0;
alreadyDownloadSize = 0;
alreadyDownloadSuccessCount = 0;
alreadyDownloadErrorCount = 0;
foreach (KeyValuePair <string, UpdateFileInfo> updateFileInfo in newFileInfoTable)
{
UpdateFileInfo fileInfo = null;
oldFileInfoTable.TryGetValue(updateFileInfo.Key, out fileInfo);
if (fileInfo?.Md5Code == updateFileInfo.Value.Md5Code)
{
continue;
}
downloadList.Add(updateFileInfo.Key);
totalDownloadSize += updateFileInfo.Value.ZipLength;
}
if (downloadList.Count == 0)
{
//更新结束
isUpdateDone = true;
updateSucces();
return;
}
}
/// <summary>
/// 检查本地客户端文件是否丢失
/// </summary>
/// <returns></returns>
private bool CheckClientCorruption()
{
List <string> lostFiles = new List <string>();
foreach (KeyValuePair <string, UpdateFileInfo> keyValuePair in oldFileInfoTable)
{
UpdateFileInfo fileInfo = keyValuePair.Value;
string filename =
PathUtility.GetCombinePath(AppConst.Path.PresistentDataPath, fileInfo.AssetBundleName);
if (FileUtility.IsFileExist(filename))
{
continue;
}
lostFiles.Add(fileInfo.AssetBundleName);
}
foreach (var file in lostFiles)
{
oldFileInfoTable.Remove(file);
}
if (lostFiles.Count > 0)
{
return(true);
}
return(false);
}
private void LoadHasUpdateFileList()
{
string filePath = PathUtility.GetCombinePath(AppConst.Path.PresistentDataPath,
AppConst.AssetBundleConfig.HasUpdateFileName);
if (FileUtility.IsFileExist(filePath))
{
using (StreamReader sr = File.OpenText(filePath))
{
string line;
while ((line = sr.ReadLine()) != null)
{
string[] pair = line.Split(',');
UpdateFileInfo fileInfo = new UpdateFileInfo
{
AssetBundleName = pair[0],
Length = int.Parse(pair[1]),
Md5Code = int.Parse(pair[2]),
ZipLength = int.Parse(pair[3]),
ZipMd5Code = int.Parse(pair[4])
};
if (oldFileInfoTable.ContainsKey(fileInfo.AssetBundleName))
{
oldFileInfoTable[fileInfo.AssetBundleName] = fileInfo;
}
else
{
oldFileInfoTable.Add(fileInfo.AssetBundleName, fileInfo);
}
}
}
}
}
/// <summary>
/// 获取沙河目录下面的文件列表信息
/// </summary>
/// <exception cref="Exception"></exception>
private void LoadPresistentFilelist()
{
oldFileInfoTable.Clear();
string filePath = PathUtility.GetCombinePath(AppConst.Path.PresistentDataPath,
AppConst.AssetBundleConfig.FileListFile);
byte[] bytes = FileUtility.ReadAllBytes(filePath);
if (bytes == null || bytes.Length == 0)
{
isUpdateDone = true;
updateError("获取当前客户端的文件列表信息失败");
return;
}
using (ByteBuffer buffer = new ByteBuffer(bytes))
{
fileCount = ValueParse.ReadValue(buffer, ValueParse.IntParse);
for (int i = 0; i < fileCount; i++)
{
UpdateFileInfo updateFileInfo = new UpdateFileInfo
{
AssetBundleName = ValueParse.ReadValue(buffer, ValueParse.StringParse),
Length = ValueParse.ReadValue(buffer, ValueParse.IntParse),
Md5Code = ValueParse.ReadValue(buffer, ValueParse.IntParse),
ZipLength = ValueParse.ReadValue(buffer, ValueParse.IntParse),
ZipMd5Code = ValueParse.ReadValue(buffer, ValueParse.IntParse)
};
oldFileInfoTable.Add(updateFileInfo.AssetBundleName, updateFileInfo);
}
}
}
private void DownloadErrorCallbcak(DownloadTask downloadTask, string message)
{
alreadyDownloadErrorCount++;
UpdateFileInfo updateFileInfo = newFileInfoTable[downloadTask.FileName];
downloadErrorList.Add(updateFileInfo.AssetBundleName);
RefreshDownloadState();
}
private void DownloadDoneCallbcak(DownloadTask downloadTask, ulong size)
{
UpdateFileInfo updateFileInfo = newFileInfoTable[downloadTask.FileName];
lock (lockObj)
{
if (VerificationFile(updateFileInfo, downloadTask.DownloadPath))
{
alreadyDownloadSuccessCount++;
AppendHasUpdateFile(updateFileInfo);
RefreshDownloadState();
}
else
{
DownloadErrorCallbcak(downloadTask, String.Empty);
}
}
}
public void AppendHasUpdateFile(UpdateFileInfo updateFileInfo)
{
string filePath = PathUtility.GetCombinePath(AppConst.Path.PresistentDataPath,
AppConst.AssetBundleConfig.HasUpdateFileName);
try
{
using (FileStream fileStream = new FileStream(filePath, FileMode.Append))
{
using (var write = new StreamWriter(fileStream))
{
write.WriteLine(updateFileInfo.AssetBundleName + "," + updateFileInfo.Length + "," +
updateFileInfo.Md5Code + "," + updateFileInfo.ZipLength + "," +
updateFileInfo.ZipMd5Code);
}
}
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e);
}
}
private bool VerificationFile(UpdateFileInfo updateFileInfo, string filePath)
{
// return true;
var length = 0;
using (FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.ReadWrite))
{
length = (int)fileStream.Length;
if (length != updateFileInfo.ZipLength)
{
FileUtility.DeleteFile(filePath);
return(false);
}
if (updateFileCache == null || updateFileCache.Length < length)
{
updateFileCache = new byte[(length / OneMegaBytes + 1) * OneMegaBytes];
}
int offset = 0;
int count = length;
while (count > 0)
{
int bytesRead = fileStream.Read(updateFileCache, offset, count);
offset += bytesRead;
count -= bytesRead;
}
}
if (serverBundleIsZip)
{
byte[] zipMd5Bytes = MD5Utility.GetMd5Bytes(updateFileCache, 0, length);
int zipMd5Code = BitConverter.ToInt32(zipMd5Bytes, 0);
if (zipMd5Code != updateFileInfo.ZipMd5Code)
{
FileUtility.DeleteFile(filePath);
return(false);
}
int decompressSize = ZipUtility.DeCompressionFileInSamePath(filePath, serverBundleZipPassword);
if (decompressSize != updateFileInfo.Length)
{
FileUtility.DeleteFile(filePath);
return(false);
}
}
else
{
byte[] md5Bytes = MD5Utility.GetMd5Bytes(updateFileCache, 0, length);
int md5Code = BitConverter.ToInt32(md5Bytes, 0);
if (md5Code != updateFileInfo.Md5Code)
{
FileUtility.DeleteFile(filePath);
return(false);
}
}
string srcPath = PathUtility.GetCombinePath(AppConst.Path.HotUpdateDownloadDataPath,
updateFileInfo.AssetBundleName);
string desPath = PathUtility.GetCombinePath(AppConst.Path.PresistentDataPath,
updateFileInfo.AssetBundleName);
if (FileUtility.IsFileExist(desPath))
{
FileUtility.DeleteFile(desPath);
}
FileUtility.Move(srcPath, desPath);
if (FileUtility.IsFileExist(filePath))
{
FileUtility.DeleteFile(filePath);
}
return(true);
}
/// <summary>
/// 加载server上的filelist callback
/// </summary>
/// <param name="isOk"></param>
/// <param name="datas"></param>
/// <param name="errorMessage"></param>
private void LoadServerFileListCallback(bool isOk, byte[] datas, string errorMessage)
{
newFileInfoTable.Clear();
if (isOk && datas != null && datas.Length > 0)
{
using (ByteBuffer buffer = new ByteBuffer(datas))
{
fileCount = ValueParse.ReadValue(buffer, ValueParse.IntParse);
for (int i = 0; i < fileCount; i++)
{
UpdateFileInfo updateFileInfo = new UpdateFileInfo
{
AssetBundleName = ValueParse.ReadValue(buffer, ValueParse.StringParse),
Length = ValueParse.ReadValue(buffer, ValueParse.IntParse),
Md5Code = ValueParse.ReadValue(buffer, ValueParse.IntParse),
ZipLength = ValueParse.ReadValue(buffer, ValueParse.IntParse),
ZipMd5Code = ValueParse.ReadValue(buffer, ValueParse.IntParse)
};
newFileInfoTable.Add(updateFileInfo.AssetBundleName, updateFileInfo);
}
}
DeleteUselessFiles();
GetDownloadFileList();
if (!isUpdateDone)
{
BeginDownFile();
return;
//检查磁盘空间是否满足大小 todo
if ((long)Math.Ceiling(totalDownloadSize * 1.1f) > MobileSystemInfo.GetFreeDiskSpace())
{
//磁盘空间不足
}
else
{
if (MobileSystemInfo.NetAvailable)
{
//运营商网络
if (MobileSystemInfo.IsCarrier)
{
updatePanel.ShowMessageBox(UpdatePanel.enMessageBoxType.CancelOk,
UpdateStringConfig.UpdateStatusBeginUpdate,
UpdateStringConfig.UpdateStringHasErrorNotWifi,
BeginDownFile, () =>
{
if (Application.isPlaying)
{
Application.Quit();
}
}, UpdateStringConfig.UpdateStatusWifiTips, FormatDownloadSize(totalDownloadSize));
}
// wi-fi 网络
else if (MobileSystemInfo.IsWifi)
{
//弹出提示框询问是否下载
updatePanel.ShowMessageBox(UpdatePanel.enMessageBoxType.CancelOk,
UpdateStringConfig.UpdateStatusBeginUpdate,
UpdateStringConfig.UpdateStateStartUpdateInfo,
BeginDownFile, () =>
{
if (Application.isPlaying)
{
Application.Quit();
}
}, UpdateStringConfig.UpdateStatusWifiTips, FormatDownloadSize(totalDownloadSize));
}
}
}
}
}
else
{
//获取服务器的FileList失败
isUpdateDone = true;
updateError("获取服务器最新版本的文件列表信息失败");
}
}