/// <summary>
/// 批量下载 判断完成后 需要支持EasyThread.Stop
/// 开线程
/// </summary>
/// <param name="list">所有需要下载的内容</param>
/// <param name="callback">当前文件本地大小、当前文件服务器大小、所有文件本地大小、所有文件服务器大小、当前文件</param>
/// <param name="errorCallback"></param>
public void BatchDownload(List <DownloadUnit> list, Action <Size, DownloadUnit, bool> callback, System.Action <DownloadUnit> errorCallback = null)
{
//Debug.Log("1");
EasyThread downloadThread = null;
downloadThread = new EasyThread(() =>
{
download(list, callback, downloadThread, errorCallback);
downloadThread.Stop();
});
downloadThread.Start();
}
/// <summary>
/// 单个下载
/// 开线程
/// </summary>
/// <param name="downUnit"></param>
/// <param name="precentCallback">下载进度回调</param>
public void SingleDownload(DownloadUnit downUnit, System.Action <long, long, bool> callback, System.Action <DownloadUnit> errorCallback = null)
{
if (File.Exists(downUnit.FullPath))
{
if (callback != null)
{
callback(1, 1, true);
}
return;
}
EasyThread downloadThread = null;
downloadThread = new EasyThread(() =>
{
download(downUnit, callback, downloadThread, errorCallback);
downloadThread.Stop();
});
downloadThread.Start();
}
//private Dictionary<DownloadUnit, OSSFile> faillist;
/// <summary>
/// 批量下载
/// </summary>
/// <param name="list"></param>
/// <param name="callback"></param>
public void BatchOSSDownload(Dictionary <DownloadUnit, OSSFile> list, Action <bool> callback)
{
Dictionary <DownloadUnit, OSSFile> faillist = new Dictionary <DownloadUnit, OSSFile>();
int cureentDownCount = 0;
int fallCount = 0;
//下载完成的个数统计 用于判断是否全部完成
int i = 0;
foreach (var file in list)
{
//Debug.Log("StartDownload::::" + file.Key.downUrl + " " + file.Value.endpoint + " " + file.Key.fileName + " " + file.Key.size);
Loom.QueueOnMainThread((() =>
{
WriteIntoTxt(i + "StartDownload::::" + file.Key.downUrl + " " + file.Value.endpoint + " " + file.Key.fileName + " " + file.Key.size, "list");
i++;
}));
}
int j = 0;
foreach (var file in list)
{
EasyThread et = null;
et = new EasyThread((() =>
{
OSSdownload(file.Key, file.Value, (b =>
{
if (b)
{
Loom.QueueOnMainThread((() =>
{
WriteIntoTxt(j + "DownloadSuccess::::" + file.Key.downUrl + " " + file.Value.endpoint + " " + file.Key.fileName + " " + file.Key.size, "down");
j++;
}));
// Debug.Log("DownloadSuccess::::" + file.Key.downUrl + " " + file.Value.endpoint + " " + file.Key.fileName + " " + file.Key.size);
//HttpManager.Instance.DownLoadcurSize += float.Parse(file.Key.size);
}
else
{
fallCount++;
faillist.Add(file.Key, file.Value);
Debug.LogError("失败:::::::" + file.Key.downUrl + " " + file.Value.endpoint + " " + file.Key.fileName + " " + file.Key.size);
Loom.QueueOnMainThread((() =>
{
WriteIntoTxt(j + "DownloadFail::::" + file.Key.downUrl + " " + file.Value.endpoint + " " + file.Key.fileName + " " + file.Key.size, "down");
j++;
}));
// if (float.Parse(file.Key.size) <= 0 || file.Key.size == null)
// {
// //HttpManager.Instance.DownLoadcurSize += float.Parse(file.Key.size);
// if (cureentDownCount == list.Count)
// {
// if (callback != null)
// {
// callback(fallCount <= 0);
// }
// }
// }
// else
// {
// fallCount++;
// faillist.Add(file.Key, file.Value);
// Debug.LogError("失败:::::::" + file.Key.downUrl + " " + file.Value.endpoint + " " + file.Key.fileName + " " + file.Key.size);
// }
}
cureentDownCount++;
Debug.LogWarning("总共 " + list.Count + " 当前 " + cureentDownCount);
HttpManager.Instance.DownloadPercent((float)cureentDownCount / (float)list.Count);
if (cureentDownCount == list.Count)
{
callback(fallCount <= 0);
}
et.Stop();
}));
}), ThreadPriority.Highest);
et.Start();
}
;
}
/// <summary>
/// 下载
/// </summary>
/// <param name="downUnit"></param>
/// <param name="callback"></param>
private void download(DownloadUnit downUnit, System.Action <long, long, bool> callback, EasyThread downloadThread, System.Action <DownloadUnit> errorCallback = null)
{
//打开上次下载的文件
long startPos = 0;
//将文件的后缀名改为临时文件名 .temp
string tempfilename = downUnit.fileName.Replace(Path.GetExtension(downUnit.fileName), ".temp");
string tempFile = downUnit.savePath + "/" + tempfilename;
string InstallFile = downUnit.savePath + "/" + downUnit.fileName;
//Debug.LogError("文件路径 :" + InstallFile + " /文件名称/ :" + downUnit.fileName + " /服务器的md5/ :" + downUnit.md5);
long totalSize = GetWebFileSize(downUnit.downUrl);
//float totalSize;
//float.TryParse(downUnit.size, out totalSize);
//Debug.Log(totalSize);
FileStream fs = null;
//若此文件已经存在 则直接返回文件的总大小
if (File.Exists(InstallFile) && string.Equals(Utility.GetMd5Hash(File.OpenRead(InstallFile)), downUnit.md5))
{
//不执行下载流程
Debug.LogError("下载的文件 已经存在 : " + InstallFile);
if (callback != null)
{
callback(totalSize, totalSize, true);
}
return;
}
if (File.Exists(tempFile))
{
fs = File.OpenWrite(tempFile);
startPos = fs.Length;
fs.Seek(startPos, SeekOrigin.Current); //移动文件流中的当前指针
}
else
{
string direName = Path.GetDirectoryName(tempFile);
if (!Directory.Exists(direName))
{
Directory.CreateDirectory(direName);
}
fs = new FileStream(tempFile, FileMode.Create);
Debug.Log(fs.ToString());
}
// 下载逻辑
HttpWebRequest request = null;
WebResponse respone = null;
Stream ns = null;
try
{
request = WebRequest.Create(downUnit.downUrl) as HttpWebRequest;
request.ReadWriteTimeout = ReadWriteTimeOut;
request.Timeout = TimeOutWait;
if (startPos > 0)
{
request.AddRange((int)startPos); //设置Range值，断点续传
}
//向服务器请求，获得服务器回应数据流
respone = request.GetResponse();
ns = respone.GetResponseStream();
long curSize = startPos;
byte[] bytes = new byte[oneReadLen];
int readSize = ns.Read(bytes, 0, oneReadLen); // 读取第一份数据
while (readSize > 0)
{
//如果Unity客户端关闭，停止下载
if (IsStop)
{
if (fs != null)
{
fs.Flush();
fs.Close();
fs = null;
}
if (ns != null)
{
ns.Close();
}
if (respone != null)
{
respone.Close();
}
if (request != null)
{
request.Abort();
}
downloadThread.Stop();
}
fs.Write(bytes, 0, readSize); // 将下载到的数据写入临时文件
curSize += readSize;
// 回调一下
if (callback != null)
{
callback(curSize, totalSize, false);
}
// 往下继续读取
readSize = ns.Read(bytes, 0, oneReadLen);
}
fs.Flush();
fs.Close();
fs = null;
File.Move(tempFile, InstallFile);
var file = File.OpenRead(InstallFile);
string md5 = Utility.GetMd5Hash(file);
Debug.LogError("文件路径 :" + InstallFile + " /文件名称/ :" + downUnit.fileName + " /本地计算的md5值为/ :" + md5 + " /服务器的md5/ :" + downUnit.md5 + " /下载url / :" + downUnit.downUrl);
file.Dispose();
file.Close();
if (md5 == downUnit.md5)
{
if (callback != null)
{
callback(curSize, totalSize, true);
}
}
else
{
if (errorCallback != null)
{
errorCallback(downUnit);
Debug.LogError("MD5验证失败");
}
File.Delete(InstallFile);
Debug.LogError("删除 删除 删除 删除 删除 删除 删除 删除 删除 删除 删除 " + InstallFile);
//downloadThread.Stop();
}
}
catch (WebException ex)
{
Debug.LogError(ex);
if (errorCallback != null)
{
errorCallback(downUnit);
Debug.Log("下载出错：" + ex.Message);
}
}
finally
{
if (fs != null)
{
fs.Flush();
fs.Close();
fs = null;
}
if (ns != null)
{
ns.Close();
}
if (respone != null)
{
respone.Close();
}
if (request != null)
{
request.Abort();
}
}
}
