public void AsyncDownloadList(List <string> list, string remoteDir, string localDir, Action <LaunchDownloadTask> onFinish, List <string> exts = null)
{
lock (_pendingTasks)
{
int count = list.Count;
string url;
for (int i = 0; i < count; ++i)
{
url = list[i];
LaunchDownloadTask task = new LaunchDownloadTask();
task.file = url;
if (exts != null && exts.Count > i)
{
url += exts[i];
}
task.url = remoteDir + url;
task.localPath = localDir + url;
task.onFinish = onFinish;
_pendingTasks.Enqueue(task);
// Debug.Log ("<color='#ff0000'>[正在下载文件: " + task.url + "</color>");
}
if (_downloadThread.isWaitting)
{
_downloadThread.Notify();
}
}
}
private void RunDownloading()
{
for (;;)
{
if (_isStop)
{
break;
}
if (_curTask == null)
{
lock (_pendingTasks)
{
int num = _pendingTasks.Count;
if (num > 0)
{
_curTask = _pendingTasks.Dequeue();
}
else
{
_isWaitting = true;
this.Wait();
_isWaitting = false;
}
}
}
if (!_isStop && _curTask != null)
{
//Debug.Log("StartDownload");
Download(_curTask);
//Debug.Log("EndDownload");
}
}
}
//private bool unzipPackedFile(LaunchDownloadTask task)
//{
// bool isSuccess = true;
// string zipTemp = GetTempCacheName(task.localPath);
// int index = task.localPath.LastIndexOf("/");
// string unzipDir = Path.GetDirectoryName(task.localPath);
// DirectoryInfo info = new DirectoryInfo(unzipDir);
// if(!info.Exists)
// {
// info.Create();
// }
// try
// {
// using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipTemp)))
// {
// ZipEntry theEntry;
// while ((theEntry = s.GetNextEntry()) != null)
// {
// string directoryName = Path.GetDirectoryName(theEntry.FileName);
// string fileName = Path.GetFileName(theEntry.FileName);
// string filePath = Path.Combine(unzipDir,theEntry.FileName);
// DirectoryInfo dirInfo = new DirectoryInfo(Path.Combine(unzipDir,directoryName));
// if(!dirInfo.Exists)
// {
// dirInfo.Create();
// }
// if(File.Exists(filePath))
// {
// File.Delete(filePath);
// }
// if (fileName != String.Empty)
// {
// using (FileStream streamWriter = File.Create(filePath))
// {
// int size = 2048;
// byte[] data = new byte[2048];
// while (true)
// {
// size = s.Read(data, 0, data.Length);
// if (size > 0)
// {
// streamWriter.Write(data, 0, size);
// }
// else
// {
// break;
// }
// }
// }
// }
// }
// }
// }
// catch(Exception ex)
// {
// if(ex.Message.Contains("Disk full"))
// {
// task.errorCode = LaunchDownloadError.DiskFull;
// }
// else
// {
// task.errorCode = LaunchDownloadError.Unknown;
// }
// task.status = LaunchDownloadStatus.Fail;
// isSuccess = false;
// }
// return isSuccess;
//}
private void NotifyResult(LaunchDownloadTask task, LaunchDownloadStatus status, LaunchDownloadError error = LaunchDownloadError.Unknown)
{
task.status = status;
task.errorCode = error;
lock (_finishedTasks)
{
_finishedTasks.Enqueue(task);
}
}
private void Download(LaunchDownloadTask task)
{
try
{
Uri uri = new Uri(task.url);
_curFile = task.file;
// Debug.Log("Download1");
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
// Debug.Log("Download2");
request.Timeout = TIME_OUT;
request.ReadWriteTimeout = TIME_OUT;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
// Debug.Log("Download3");
long totalLength = response.ContentLength;
response.Close();
request.Abort();
long receivedLength = 0L;
long toDownloadLength = totalLength;
string tempFileName = GetTempCacheName(task.localPath);
if (File.Exists(tempFileName))
{
using (FileStream fileStream = new FileStream(tempFileName, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
{
receivedLength = fileStream.Length;
toDownloadLength = totalLength - receivedLength;
fileStream.Close();
}
}
task.fileLength = totalLength;
task.receivedLength = receivedLength;
_totalLength = totalLength;
_receivedLength = receivedLength;
HttpWebRequest request2 = (HttpWebRequest)WebRequest.Create(uri);
request.Timeout = TIME_OUT;
request2.ReadWriteTimeout = TIME_OUT;
bool transferOkay = true;
if (toDownloadLength > 0L)
{
request2.AddRange((int)receivedLength, (int)totalLength);
HttpWebResponse response2 = (HttpWebResponse)request2.GetResponse();
transferOkay = this.ReadBytesFromResponse(task, response2);
response2.Close();
}
request2.Abort();
if (transferOkay)
{
this.OnDownloadFinished(task, null);
}
}
catch (Exception ex)
{
this.OnDownloadFinished(task, ex);
}
}
public void AsyncDownload(string url, string localPath, Action <LaunchDownloadTask> onFinish)
{
LaunchDownloadTask task = new LaunchDownloadTask();
task.url = url;
task.localPath = localPath;
task.onFinish = onFinish;
EnqueueTask(task);
}
private void EnqueueTask(LaunchDownloadTask task)
{
lock (_pendingTasks)
{
_pendingTasks.Enqueue(task);
if (_downloadThread.isWaitting)
{
_downloadThread.Notify();
}
}
}
private void CheckMD5AfterDownload(LaunchDownloadTask task)
{
string temp = GetTempCacheName(task.localPath);
bool okay = true;
if (!string.IsNullOrEmpty(task.md5))
{
string md5 = LaunchMD5Hash.GetFileMD5(temp);
if (md5 != task.md5)
{
Debug.LogError("Downloaded file with wrong md5 value! FilePath=" + task.localPath);
File.Delete(temp);
okay = false; //delete it and download again
}
}
if (okay)
{
//if the file downloaded is a packed file by zip,unzip it
if (task.localPath.EndsWith(".zip"))
{
NotifyResult(task, LaunchDownloadStatus.Fail, LaunchDownloadError.NotSupportZip);
Thread.Sleep(3000);
//if(unzipPackedFile(task))
//{
// NotifyResult(task,LaunchDownloadStatus.Complete);
// _curTask = null;
//}
//else
//{
// NotifyResult(task,LaunchDownloadStatus.Fail,task.errorCode);
// Thread.Sleep(3000);
//}
}
else
{
//set name of downloaded file from temp to localpath
if (File.Exists(task.localPath))
{
File.Delete(task.localPath);
}
File.Move(temp, task.localPath);
NotifyResult(task, LaunchDownloadStatus.Complete);
_curTask = null;
}
}
}
private bool ReadBytesFromResponse(LaunchDownloadTask task, WebResponse response)
{
bool okay = false;
try
{
int toDownloadLength = (int)(task.fileLength - task.receivedLength);
byte[] array = new byte[toDownloadLength];
int bytesReceived = 0;
using (Stream responseStream = response.GetResponseStream())
{
int bytesRead;
string temp = GetTempCacheName(task.localPath);
CheckDirExistsForFile(temp);
do
{
bytesRead = responseStream.Read(array, bytesReceived, toDownloadLength - bytesReceived);
if (bytesRead > 0)
{
byte[] array2 = new byte[bytesRead];
Buffer.BlockCopy(array, bytesReceived, array2, 0, array2.Length);
using (FileStream fileStream = new FileStream(temp, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
{
fileStream.Position = task.receivedLength;
fileStream.Write(array2, 0, array2.Length);
fileStream.Flush();
fileStream.Close();
}
bytesReceived += bytesRead;
task.receivedLength += bytesRead;
_receivedLength = task.receivedLength;
}
}while(bytesRead != 0);
okay = true;
}
}
catch (Exception ex)
{
this.OnDownloadFinished(task, ex);
okay = false;
}
return(okay);
}
private void OnDownloadFinished(LaunchDownloadTask task, Exception ex)
{
// Debug.Log ("OnDownloadFinished");
if (ex != null)
{
if (ex.Message.Contains("Sharing violation on path"))
{
return;
}
LaunchDownloadError error;
if (ex.Message.Contains("ConnectFailure") || ex.Message.Contains("NameResolutionFailure") || ex.Message.Contains("No route to host"))
{
error = LaunchDownloadError.ServerMaintenance;
}
else if (ex.Message.Contains("404"))
{
error = LaunchDownloadError.NotFound;
}
else if (ex.Message.Contains("403"))
{
error = LaunchDownloadError.ServerMaintenance;
}
else if (ex.Message.Contains("Disk full"))
{
error = LaunchDownloadError.DiskFull;
}
else if (ex.Message.Contains("time out") || ex.Message.Contains("Error getting response stream"))
{
error = LaunchDownloadError.Timeout;
}
else
{
error = LaunchDownloadError.Unknown;
}
NotifyResult(task, LaunchDownloadStatus.Fail, error);
Thread.Sleep(1000); // Downloading thread sleep for 3000ms when a exception occurred in the process of downloading
}
else
{
CheckMD5AfterDownload(task);
}
}
private void Tick(float time)
{
_tempTasks.Clear();
lock (_finishedTasks)
{
while (_finishedTasks.Count > 0)
{
_tempTasks.Enqueue(_finishedTasks.Dequeue());
}
}
//LH.Log("Tick,tempTasks:"+_tempTasks.Count);
while (_tempTasks.Count > 0)
{
LaunchDownloadTask task = _tempTasks.Dequeue();
if (task != null)
{
task.onFinish(task);
}
}
}
