■ FTP 서버를 만드는 방법을 보여준다.
[TestConsole 프로젝트]
▶ Program.cs
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using System; using TestLibrary; namespace TestConsole { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> static void Main() { FTPServer server = new FTPServer(); server.LogHandler = new DefaultLogHandler(true); server.LocalPort = 10000; server.BufferSize = 64 * 1024; // KB 단위 Console.Out.WriteLine("FTP 서버가 시작되었습니다."); try { server.Run(); } catch(Exception exception) { Console.Error.WriteLine(exception.Message); } } #endregion } } |
[TestLibrary 프로젝트]
▶ FTPServer.cs
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using System.Collections.Generic; using System.Net; using System.Net.Sockets; namespace TestLibrary { /// <summary> /// FTP 서버 /// </summary> public class FTPServer { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 디폴트 버퍼 크기 /// </summary> private const int DEFAULT_BUFFER_SIZE = 64 * 1024; /// <summary> /// 디폴트 포트 /// </summary> private const int DEFAULT_PORT = 21; /// <summary> /// 지역 종점 /// </summary> private IPEndPoint localEndPoint; /// <summary> /// TCP 리스너 /// </summary> private TcpListener tcpListener = null; /// <summary> /// 세션 리스트 /// </summary> private List<FTPSession> sessionList; /// <summary> /// 버퍼 크기 /// </summary> private int bufferSize = DEFAULT_BUFFER_SIZE; /// <summary> /// 로그 핸들러 /// </summary> private ILogHandler logHandler = null; /// <summary> /// 인증 핸들러 /// </summary> private IAuthenticationHandler authenticationHandler = null; /// <summary> /// 파일 시스템 핸들러 /// </summary> private IFileSystemHandler fileSystemHandler = null; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 지역 종점 - LocalEndPoint /// <summary> /// 지역 종점 /// </summary> public IPEndPoint LocalEndPoint { get { return this.localEndPoint; } set { this.localEndPoint = value; } } #endregion #region 지역 주소 - LocalAddress /// <summary> /// 지역 주소 /// </summary> public IPAddress LocalAddress { get { return this.localEndPoint.Address; } set { this.localEndPoint.Address = value; } } #endregion #region 지역 포트 - LocalPort /// <summary> /// 지역 포트 /// </summary> public int LocalPort { get { return this.localEndPoint.Port; } set { this.localEndPoint.Port = value; } } #endregion #region 버퍼 크기 - BufferSize /// <summary> /// 버퍼 크기 /// </summary> public int BufferSize { get { return this.bufferSize; } set { this.bufferSize = value; } } #endregion #region 로그 핸들러 - LogHandler /// <summary> /// 로그 핸들러 /// </summary> public ILogHandler LogHandler { get { return this.logHandler; } set { this.logHandler = value; } } #endregion #region 인증 핸들러 - AuthenticationHandler /// <summary> /// 인증 핸들러 /// </summary> public IAuthenticationHandler AuthenticationHandler { get { return this.authenticationHandler; } set { this.authenticationHandler = value; } } #endregion #region 파일 시스템 핸들러 - FileSystemHandler /// <summary> /// 파일 시스템 핸들러 /// </summary> public IFileSystemHandler FileSystemHandler { get { return this.fileSystemHandler; } set { this.fileSystemHandler = value; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - FTPServer() /// <summary> /// 생성자 /// </summary> public FTPServer() { this.localEndPoint = new IPEndPoint(GetDefaultAddress(), DEFAULT_PORT); this.sessionList = new List<FTPSession>(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 실행하기 - Run() /// <summary> /// 실행하기 /// </summary> public void Run() { if(this.authenticationHandler == null) { this.authenticationHandler = new DefaultAuthenticationHandler(); } if(this.fileSystemHandler == null) { this.fileSystemHandler = new DefaultFileSystemHandler(); } if(this.tcpListener == null) { this.tcpListener = new TcpListener(localEndPoint); } this.tcpListener.Start(); try { while(true) { Socket peerSocket = this.tcpListener.AcceptSocket(); IPEndPoint peerPort = (IPEndPoint) peerSocket.RemoteEndPoint; FTPSession session = new FTPSession ( peerSocket, bufferSize, this.logHandler.Clone(peerPort), this.authenticationHandler.Clone(peerPort), this.fileSystemHandler.Clone(peerPort) ); session.Start(); this.sessionList.Add(session); for(int i = this.sessionList.Count - 1; i >= 0; i--) { if(!this.sessionList[i].IsOpen) { this.sessionList.RemoveAt(i); i--; } } } } catch(SocketException) { } finally { foreach(FTPSession session in this.sessionList) { session.Stop(); } } } #endregion #region 중단하기 - Stop() /// <summary> /// 중단하기 /// </summary> public void Stop() { this.tcpListener.Stop(); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 디폴트 주소 구하기 - GetDefaultAddress() /// <summary> /// 디폴트 주소 구하기 /// </summary> /// <returns>디폴트 주소</returns> private IPAddress GetDefaultAddress() { #if WindowsCE IPHostEntry ipHostEntry = Dns.GetHostEntry(Dns.GetHostName()); foreach(IPAddress ipAddress in ipHostEntry.AddressList) { if(ipAddress.AddressFamily == AddressFamily.InterNetwork && !IPAddress.IsLoopback(ipAddress)) { return ipAddress; } } return IPAddress.Loopback; #else return IPAddress.Any; #endif } #endregion } } |
