// 포트 리스닝 시작
private void Listen()
{
if (listenCheck)
{
return;
}
try
{
// 연결 허용
receiveSocket.Listen(10);
receiveSocket = receiveSocket.Accept();
// 실제로 통신을 담당하는 쓰레드 생성
listenThread = new Thread(SocketReceiveData);
listenThread.Start();
listenCheck = true;
ConnectStateBtn.BackColor = Color.Green;
ConnectStateBtn.Update();
}
catch (Exception ex)
{
ConnectStateBtn.BackColor = Color.Red;
ConnectStateBtn.Update();
MessageBox.Show(ex.Message);
if (listenCheck)
{
listenCheck = false;
}
}
}
// 서버에 연결
private void TcpSocketConnect()
{
if (conCheck)
{
return;
}
try
{
// Ethernet 통신 정보 Update
ServerIPName = Config.GetInformation("SERVER", "ServerIP");
Ethernet_PortNum = int.Parse(Config.GetInformation("SERVER", "Ethernet_Port"));
// 소켓 객체 생성
sendSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sendSocket.Connect(IPAddress.Parse(ServerIPName), Ethernet_PortNum);
conCheck = true;
ConnectStateBtn.BackColor = Color.Green;
ConnectStateBtn.Update();
}
catch (Exception ex)
{
ConnectStateBtn.BackColor = Color.Red;
ConnectStateBtn.Update();
MessageBox.Show(ex.Message);
}
}
// 소켓 오픈, 포트바인딩
private void TcpSocketOpen()
{
try
{
// 소켓 객체 생성, IPAddress.Any: 아무 IP주소나 다 받음
receiveSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, Ethernet_PortNum);
receiveSocket.Bind(endPoint);
SendRateTbx.Text = "대기 중";
SendRateTbx.Update();
}
catch (Exception ex)
{
ConnectStateBtn.BackColor = Color.Red;
ConnectStateBtn.Update();
MessageBox.Show(ex.Message);
}
}
private void RecvSendBtn_Click(object sender, EventArgs e)
{
// 소켓통신
if (Ethernet == true)
{
if (Master == true)
{
TcpSocketOpen();
Listen();
ConnectStateBtn.BackColor = Color.Green;
ConnectStateBtn.Update();
MessageBox.Show("파일을 수신합니다.");
}
else if (Slave == true)
{
ConnectStateBtn.BackColor = Color.Green;
ConnectStateBtn.Update();
try
{
int persent;
FileInfo fi = new FileInfo(filePath);
byte[] fileNameSize = BitConverter.GetBytes(fi.Name.Length);
byte[] fileName = Encoding.UTF8.GetBytes(fi.Name);
byte[] fileSizeRealSize = File.ReadAllBytes(filePath);
byte[] file = BitConverter.GetBytes(fileSizeRealSize.Length);
byte[] sendBuffer = new byte[fileName.Length + fileNameSize.Length + file.Length + fileSizeRealSize.Length];
Buffer.BlockCopy(fileNameSize, 0, sendBuffer, 0, fileNameSize.Length);
Buffer.BlockCopy(fileName, 0, sendBuffer, fileNameSize.Length, fileName.Length);
Buffer.BlockCopy(file, 0, sendBuffer, fileNameSize.Length + fileName.Length, file.Length);
Buffer.BlockCopy(fileSizeRealSize, 0, sendBuffer, fileNameSize.Length + fileName.Length + file.Length, fileSizeRealSize.Length);
byte[] temp = new byte[30000];
int fullCount = sendBuffer.Length / 30000;
int count = 0;
SendRateTbx.Text = "송신 중";
SendRateTbx.Update();
if (fullCount != 0)
{
persent = (count * 100) / fullCount;
SendRateBar.Value = persent;
SendRateBar.Update();
}
else
{
SendRateBar.Value = 100;
SendRateBar.Update();
}
// 큰 경우에 나눠서 전송
while (sendBuffer.Length > 30000)
{
count++;
persent = (count * 100) / fullCount;
SendRateBar.Value = persent;
SendRateBar.Update();
Buffer.BlockCopy(sendBuffer, 0, temp, 0, temp.Length);
sendBuffer = ByteMove(sendBuffer, temp.Length, sendBuffer.Length - temp.Length);
sendSocket.Send(temp);
}
sendSocket.Send(sendBuffer);
SendRateTbx.Text = "송신 완료";
SendRateTbx.Update();
}
catch (Exception ex)
{
ConnectStateBtn.BackColor = Color.Red;
ConnectStateBtn.Update();
if (MessageBox.Show(ex.Message) == DialogResult.OK)
{
Application.Exit();
}
}
}
}
// 시리얼통신
if (RS232 == true)
{
if (Master == true)
{
serialCommunication.MS = true;
serialCommunication.Start();
}
else if (Slave == true)
{
// 실제로 보내는 부분
try
{
serialCommunication.MS = false;
serialCommunication.Start();
serialPort1.Write(ByteSendData, 0, TotalSize);
}
finally
{
SendRateTbx.Text = "송신 완료";
}
}
}
}