private static void FoundUpdateFileResponse(Socket handler)
{
byte[] foundUpdateFileData = PacketUtils.PacketData(PacketUtils.ServerFoundFileInfoTag(), null);
ComObject state = new ComObject {
WorkSocket = handler
};
handler.BeginSend(foundUpdateFileData, 0, foundUpdateFileData.Length, 0, HasFoundUpdateFileCallback, state);
}
private void SendFileStartPositionInfo(Socket client, int packetNumber, long packSize)
{
ComObject state = new ComObject {
WorkSocket = client
};
byte[] byteData = PacketUtils.PacketData(PacketUtils.ClientRequestFileTag(), BitConverter.GetBytes(packetNumber * packSize));
client.BeginSend(byteData, 0, byteData.Length, 0, SendFileRequestCallback, state);
}
private void FindUpdateFileInfo(Socket client, int packetNumber)
{
ComObject state = new ComObject {
WorkSocket = client, PacketNumber = packetNumber
};
byte[] byteData = PacketUtils.PacketData(PacketUtils.ClientFindFileInfoTag(), Encoding.UTF8.GetBytes(_updateFileName));
client.BeginSend(byteData, 0, byteData.Length, 0, FindUpdateFileCallback, state);
}
private void ProcessSendFile(SocketAsyncEventArgs e)
{
var bytesRead = e.BytesTransferred;
if (bytesRead > 0 && e.SocketError == SocketError.Success)
{
var receiveData = e.Buffer.Skip(e.Offset).Take(bytesRead).ToArray();
var dataList = PacketUtils.SplitBytes(receiveData, PacketUtils.ClientRequestFileTag());
if (dataList != null)
{
foreach (var request in dataList)
{
if (PacketUtils.IsPacketComplete(request))
{
int startPosition = PacketUtils.GetRequestFileStartPosition(request);
var packetSize = PacketUtils.GetPacketSize(_serverPath, _downloadChannelsCount);
if (packetSize != 0)
{
byte[] filedata = FileUtils.GetFile(_serverPath, startPosition, packetSize);
byte[] packetNumber = BitConverter.GetBytes(startPosition / packetSize);
Console.WriteLine("Receive File Request PacketNumber: " + startPosition / packetSize);
if (filedata != null)
{
//ready to send back to Client
byte[] segmentedFileResponseData = PacketUtils.PacketData(PacketUtils.ServerResponseFileTag(), filedata, packetNumber);
Array.Clear(e.Buffer, e.Offset, e.Count);
Array.Copy(segmentedFileResponseData, 0, e.Buffer, e.Offset, segmentedFileResponseData.Length);
e.Completed -= ProcessFilePosition_Completed;
e.Completed += ProcessSendFile_Completed;
if (!e.AcceptSocket.SendAsync(e))
{
CloseClientSocket(e);
}
}
}
}
}
}
}
else
{
CloseClientSocket(e);
}
}
private void ProcessReceiveFindFileRequest(SocketAsyncEventArgs e)
{
var bytesRead = e.BytesTransferred;
if (bytesRead > 0 && e.SocketError == SocketError.Success)
{
var receiveData = e.Buffer.Skip(e.Offset).Take(bytesRead).ToArray();
var dataList = PacketUtils.SplitBytes(receiveData, PacketUtils.ClientFindFileInfoTag());
if (dataList != null && dataList.Any())
{
var request = PacketUtils.GetData(PacketUtils.ClientFindFileInfoTag(), dataList.FirstOrDefault());
string str = System.Text.Encoding.UTF8.GetString(request);
var infos = str.Split('_');
var productName = infos[0];
var revitVersion = infos[1];
var currentVersion = infos[2];
var mainFolder = AppDomain.CurrentDomain.BaseDirectory.Replace("bin", "TestFile");
var serverFileFolder = Path.Combine(mainFolder, "Server");
var serverFileFiles = new DirectoryInfo(serverFileFolder).GetFiles();
var updatefile = serverFileFiles.FirstOrDefault(x => x.Name.Contains(productName) && x.Name.Contains(revitVersion) && x.Name.Contains(currentVersion));
if (updatefile != null)
{
if (string.IsNullOrEmpty(updatefile.FullName) || !File.Exists(updatefile.FullName))
{
return;
}
_serverPath = updatefile.FullName;
//ready to send back to Client
byte[] foundUpdateFileData = PacketUtils.PacketData(PacketUtils.ServerFoundFileInfoTag(), null);
Array.Clear(e.Buffer, e.Offset, e.Count);
Array.Copy(foundUpdateFileData, 0, e.Buffer, e.Offset, foundUpdateFileData.Length);
e.Completed -= ProcessAccept_Completed;
e.Completed += ProcessReceiveFindFileRequest_Completed;
if (!e.AcceptSocket.SendAsync(e))
{
ProcessFilePosition(e);
}
}
}
}
}
private static void SendFileResponse(Socket handler, int startPosition)
{
var packetSize = PacketUtils.GetPacketSize(_serverPath, _downloadChannelsCount);
if (packetSize != 0)
{
byte[] filedata = FileUtils.GetFile(_serverPath, startPosition, packetSize);
byte[] packetNumber = BitConverter.GetBytes(startPosition / packetSize);
if (filedata != null)
{
byte[] segmentedFileResponseData = PacketUtils.PacketData(PacketUtils.ServerResponseFileTag(), filedata, packetNumber);
ComObject state = new ComObject {
WorkSocket = handler
};
handler.BeginSend(segmentedFileResponseData, 0, segmentedFileResponseData.Length, 0, SendFileResponseCallback, state);
}
}
else
{
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
}