private void StartDownload(SocketSession session)
{
FileStream fs = new FileStream(_request.Path, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[2048];
while (true)
{
if (!_isRunning)
{
break;
}
int size = fs.Read(buffer, 0, buffer.Length);
if (size < 1)
{
break;
}
ResponseStartDownload resp = new ResponseStartDownload();
resp.Data = new byte[size];
for (int i = 0; i < size; i++)
{
resp.Data[i] = buffer[i];
}
session.Send(ePacketType.PACKET_START_DOWNLOAD_RESPONSE, resp);
}
fs.Close();
_request = null;
_isRunning = false;
}
public override void Handle(SocketSession session, ePacketType reqType, object reqObj)
{
if (reqType == ePacketType.PACKET_START_DOWNLOAD_REQUEST)
{
// 开始
RequestStartDownload req = reqObj as RequestStartDownload;
if (_request == null)
{
_request = req;
_isRunning = true;
// 返回文件基本信息
ResponseStartDownloadHeader headerResp = new ResponseStartDownloadHeader();
using (var fs = System.IO.File.OpenRead(req.Path))
{
headerResp.FileSize = fs.Length;
headerResp.Path = req.Path;
headerResp.SavePath = req.SavePath;
}
session.Send(ePacketType.PACKET_START_DOWNLOAD_HEADER_RESPONSE, headerResp);
// 开始返回文件内容
RunTaskThread(StartDownload, session);
}
else
{
// 每次只能下载一个文件
return;
}
}
else if (reqType == ePacketType.PACKET_STOP_DOWNLOAD_REQUEST)
{
// 停止
_isRunning = false;
}
}