private void trvDir_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
/* Send BeforeExpand to Server */
BeforeExpand be = new BeforeExpand();
be.Type = (int)PacketType.beforeExpand;
be.path = e.Node.FullPath;
Packet.Serialize(be).CopyTo(sendBuffer, 0);
Send();
/* Receive Dir Array And Dictionary from Server */
m_stream.Read(readBuffer, 0, 1024 * 4);
BeforeExpand m_beforeExpandClass = (BeforeExpand)Packet.Desserialize(readBuffer);
Dictionary <string, int> dirDic = m_beforeExpandClass.diAdd;
/* Set TreeView */
TreeNode node;
e.Node.Nodes.Clear();
foreach (DirectoryInfo dirs in m_beforeExpandClass.diArray)
{
node = e.Node.Nodes.Add(dirs.Name);
node.ImageIndex = 1;
/* Set Plus */
if (dirDic[dirs.Name] == 1)
{
node.Nodes.Add("");
}
}
}
private void RaiseBeforeExpand()
{
BeforeExpand?.Invoke(this, EventArgs.Empty);
}
public void ServerStart()
{
try
{
string ip = txtIp.Text;
int port = int.Parse(txtPort.Text);
IPAddress ipAddr = IPAddress.Parse(ip);
m_server = new TcpListener(ipAddr, port);
m_server.Start();
m_bStop = true;
WriteLog("클라이언트 접속 대기중...");
while (m_bStop)
{
m_client = m_server.AcceptTcpClient();
if (m_client.Connected)
{
m_bConnect = true;
WriteLog("클라이언트 접속");
m_stream = m_client.GetStream();
}
while (m_bConnect)
{
try
{
m_stream.Read(readBuffer, 0, 1024 * 4);
}
catch
{
WriteLog("서버에서 데이터를 읽는데 에러가 발생해 서버를 종료합니다.");
ServerStop();
this.Invoke(new MethodInvoker(delegate()
{
btnServer.Text = "서버켜기";
btnServer.ForeColor = Color.Black;
}));
return;
}
Packet packet = (Packet)Packet.Desserialize(readBuffer);
switch ((int)packet.Type)
{
case (int)PacketType.init:
{
m_initializeClass = (Initialize)Packet.Desserialize(readBuffer);
WriteLog("초기화 데이터 요청..");
/* Send Path to client */
byte[] bytePath = Encoding.UTF8.GetBytes(dirPath);
m_stream.Write(bytePath, 0, bytePath.Length);
break;
}
case (int)PacketType.beforeSelect:
{
m_beforeSelectClass = (BeforeSelect)Packet.Desserialize(readBuffer);
WriteLog("beforeSelect 데이터 요청..");
string path = m_beforeSelectClass.path;
/* Send Dir and File Array to client */
DirectoryInfo di;
BeforeSelect bs = new BeforeSelect();
try
{
di = new DirectoryInfo(path);
bs.Type = (int)PacketType.beforeSelect;
bs.diArray = di.GetDirectories();
bs.fiArray = di.GetFiles();
Packet.Serialize(bs).CopyTo(sendBuffer, 0);
Send();
}
catch (Exception ex)
{
WriteLog("BeforeSelect error " + ex.Message);
}
break;
}
case (int)PacketType.beforeExpand:
{
m_beforeExpandClass = (BeforeExpand)Packet.Desserialize(readBuffer);
WriteLog("beforeExpand 데이터 요청..");
string path = m_beforeExpandClass.path;
/* Send Dir Array And Dictionary to client */
DirectoryInfo di;
DirectoryInfo diPlus;
DirectoryInfo[] diArrayPlus;
BeforeExpand be = new BeforeExpand();
try
{
di = new DirectoryInfo(path);
be.Type = (int)PacketType.beforeExpand;
be.diArray = di.GetDirectories();
/* To Set Plus */
be.diAdd = new Dictionary <string, int>();
foreach (DirectoryInfo dir in be.diArray)
{
diPlus = new DirectoryInfo(dir.FullName);
diArrayPlus = diPlus.GetDirectories();
if (diArrayPlus.Length > 0)
{
be.diAdd.Add(dir.Name, 1);
}
else
{
be.diAdd.Add(dir.Name, 0);
}
}
Packet.Serialize(be).CopyTo(sendBuffer, 0);
Send();
}
catch (Exception ex)
{
WriteLog("BeforeExpand error " + ex.Message);
}
break;
}
case (int)PacketType.fileTransfer:
{
m_fileTransferClass = (FileTransfer)Packet.Desserialize(readBuffer);
WriteLog("파일 전송 요청..");
string path = m_fileTransferClass.path;
long size = m_fileTransferClass.size;
byte[] fileSendBuffer = new byte[1024];
/* Create File Stream */
FileStream fStr = new FileStream(path, FileMode.Open, FileAccess.Read);
BinaryReader bReader = new BinaryReader(fStr);
long loopCnt = (long)(size / 1024 + 1);
try
{
/* Send File */
int reSize = 1024;
for (long i = 0; i < loopCnt; i++)
{
if (i == loopCnt - 1)
{
reSize = (int)(size - (1024 * (loopCnt - 1)));
}
fileSendBuffer = bReader.ReadBytes(reSize);
m_stream.Write(fileSendBuffer, 0, reSize);
m_stream.Flush();
/* Reset Array */
for (int j = 0; j < reSize; j++)
{
fileSendBuffer[j] = 0;
}
}
WriteLog(path + " 파일 전송 완료");
}
catch (Exception ex)
{
WriteLog("FileTransfer error " + ex.Message);
}
finally
{
fStr.Close();
bReader.Close();
}
break;
}
case (int)PacketType.exitConnection:
{
WriteLog("클라이언트 연결 해제");
/* Disconnection */
m_bConnect = false;
m_stream.Close();
break;
}
}
}
}
}
catch (Exception ex)
{
WriteLog(ex.Message + " 예외 발생으로 인해 서버를 종료합니다.");
ServerStop();
this.Invoke(new MethodInvoker(delegate()
{
btnServer.Text = "서버켜기";
btnServer.ForeColor = Color.Black;
}));
return;
}
}
/// <summary> /// Raises the BeforeExpand event. /// </summary> public void OnBeforeExpand(EventArgs <TreeViewItem> e) => BeforeExpand?.Invoke(this, e);
