■ FtpWebRequest 클래스를 사용해 FTP를 접속하는 방법을 보여준다.
▶ FTPHelper.cs
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using System; using System.Collections.Generic; using System.IO; using System.Net; using System.Text; namespace TestProject { /// <summary> /// FTP 헬퍼 /// </summary> public class FTPHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Event ////////////////////////////////////////////////////////////////////////////////////////// Public #region 업로드 상태 업데이트시 이벤트 - UploadStatusUpdated /// <summary> /// 업로드 상태 업데이트시 이벤트 /// </summary> public event EventHandler<FTPStatusEventArgs> UploadStatusUpdated; #endregion #region 다운로드 상태 업데이트시 이벤트 - DownloadStatusUpdated /// <summary> /// 다운로드 상태 업데이트시 이벤트 /// </summary> public event EventHandler<FTPStatusEventArgs> DownloadStatusUpdated; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 서버 IP /// </summary> private string serverIP; /// <summary> /// 서버 포트 /// </summary> private string serverPort; /// <summary> /// 사용자 ID /// </summary> private string userID; /// <summary> /// 패스워드 /// </summary> private string password; /// <summary> /// 패시브 여부 /// </summary> private bool usePassive; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - FTPHelper(serverIP, serverPort, userID, password, usePassive) /// <summary> /// 생성자 /// </summary> /// <param name="serverIP">서버 IP</param> /// <param name="serverPort">서버 포트</param> /// <param name="userID">사용자 ID</param> /// <param name="password">패스워드</param> public FTPHelper(string serverIP, string serverPort, string userID, string password, bool usePassive = true) { this.serverIP = serverIP; this.serverPort = serverPort; this.userID = userID; this.password = password; this.usePassive = usePassive; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 파일 업로드 하기 - UploadFile(localFilePath, serverFilePath) /// <summary> /// 파일 업로드 하기 /// </summary> /// <param name="localFilePath">로컬 파일 경로</param> /// <param name="serverFilePath">서버 파일 경로</param> /// <returns>처리 결과</returns> public void UploadFile(string localFilePath, string serverFilePath) { FileInfo localFileInfo = new FileInfo(localFilePath); long localFileSize = localFileInfo.Length; string serverURI = string.Format("ftp://{0}:{1}/{2}", this.serverIP, this.serverPort, serverFilePath); FtpWebRequest ftpWebRequest = FtpWebRequest.Create(new Uri(serverURI)) as FtpWebRequest; ftpWebRequest.Credentials = new NetworkCredential(this.userID, this.password); ftpWebRequest.Method = WebRequestMethods.Ftp.UploadFile; ftpWebRequest.KeepAlive = false; ftpWebRequest.UseBinary = true; ftpWebRequest.UsePassive = this.usePassive; ftpWebRequest.ContentLength = localFileInfo.Length; int bufferSize = 2048; byte[] bufferArray = new byte[bufferSize]; int readCount; long totalReadCount = 0L; FileStream localFileStream = null; try { localFileStream = localFileInfo.OpenRead(); Stream serverStream = null; try { serverStream = ftpWebRequest.GetRequestStream(); FTPStatusEventArgs ftpStatusEventArgs = new FTPStatusEventArgs(); ftpStatusEventArgs.FileSize = localFileSize; readCount = localFileStream.Read(bufferArray, 0, bufferSize); while(readCount != 0) { serverStream.Write(bufferArray, 0, readCount); totalReadCount += readCount; if(UploadStatusUpdated != null) { ftpStatusEventArgs.TransferSize = readCount; ftpStatusEventArgs.TransferTotalSize = totalReadCount; UploadStatusUpdated(this, ftpStatusEventArgs); } readCount = localFileStream.Read(bufferArray, 0, bufferSize); } } finally { if(serverStream != null) { serverStream.Close(); } } } finally { if(localFileStream != null) { localFileStream.Close(); } } } #endregion #region 파일 다운로드 하기 - DownloadFile(serverFilePath, localFilePath) /// <summary> /// 파일 다운로드 하기 /// </summary> /// <param name="serverFilePath">서버 파일 경로</param> /// <param name="localFilePath">로컬 파일 경로</param> /// <returns>처리 결과</returns> public void DownloadFile(string serverFilePath, string localFilePath) { MakeDirectoryIfNotExists(localFilePath); long serverFileSize = GetFileSize(serverFilePath); string serverURI = string.Format("ftp: //{0}:{1}/{2}", this.serverIP, this.serverPort, serverFilePath); FtpWebRequest ftpWebRequest = FtpWebRequest.Create(new Uri(serverURI)) as FtpWebRequest; ftpWebRequest.Credentials = new NetworkCredential(this.userID, this.password); ftpWebRequest.Method = WebRequestMethods.Ftp.DownloadFile; ftpWebRequest.UseBinary = true; ftpWebRequest.UsePassive = this.usePassive; FtpWebResponse ftpWebResponse = null; try { ftpWebResponse = ftpWebRequest.GetResponse() as FtpWebResponse; Stream serverStream = null; try { serverStream = ftpWebResponse.GetResponseStream(); int bufferSize = 2048; int readCount; long totalReadCount = 0L; byte[] bufferArray = new byte[bufferSize]; FTPStatusEventArgs ftpStatusEventArgs = new FTPStatusEventArgs(); ftpStatusEventArgs.FileSize = serverFileSize; readCount = serverStream.Read(bufferArray, 0, bufferSize); FileStream localFileStream = null; try { localFileStream = new FileStream(localFilePath, FileMode.Create); while(readCount > 0) { totalReadCount += readCount; if(DownloadStatusUpdated != null) { ftpStatusEventArgs.TransferSize = readCount; ftpStatusEventArgs.TransferTotalSize = totalReadCount; DownloadStatusUpdated(this, ftpStatusEventArgs); } localFileStream.Write(bufferArray, 0, readCount); readCount = serverStream.Read(bufferArray, 0, bufferSize); } } finally { if(localFileStream != null) { localFileStream.Close(); } } } finally { if(serverStream != null) { serverStream.Close(); } } } finally { if(ftpWebResponse != null) { ftpWebResponse.Close(); } } } #endregion #region 파일 크기 구하기 - GetFileSize(serverFilePath) /// <summary> /// 파일 크기 구하기 /// </summary> /// <param name="serverFilePath">서버 파일 경로</param> /// <returns>서버 파일 크기 구하기</returns> public long GetFileSize(string serverFilePath) { string serverURI = string.Format("ftp: //{0}:{1}/{2}", this.serverIP, this.serverPort, serverFilePath); FtpWebRequest ftpWebRequest = FtpWebRequest.Create(new Uri(serverURI)) as FtpWebRequest; ftpWebRequest.Method = WebRequestMethods.Ftp.GetFileSize; ftpWebRequest.UseBinary = true; ftpWebRequest.UsePassive = this.usePassive; ftpWebRequest.Credentials = new NetworkCredential(this.userID, this.password); FtpWebResponse ftpWebResponse = null; try { ftpWebResponse = ftpWebRequest.GetResponse() as FtpWebResponse; Stream serverStream = null; try { serverStream = ftpWebResponse.GetResponseStream(); long fileSize = ftpWebResponse.ContentLength; return fileSize; } finally { if(serverStream != null) { serverStream.Close(); } } } finally { if(ftpWebResponse != null) { ftpWebResponse.Close(); } } } #endregion #region 마지막 수정 일자/시간 구하기 - GetLastModifiedDateTime(serverFilePath) /// <summary> /// 마지막 수정 일자/시간 구하기 /// </summary> /// <param name="serverFilePath">서버 파일 경로</param> /// <returns>마지막 수정 일자/시간</returns> public DateTime GetLastModifiedDateTime(string serverFilePath) { string serverURI = string.Format("ftp: //{0}:{1}/{2}", this.serverIP, this.serverPort, serverFilePath); FtpWebRequest ftpWebRequest = FtpWebRequest.Create(new Uri(serverURI)) as FtpWebRequest; ftpWebRequest.UseBinary = true; ftpWebRequest.UsePassive = this.usePassive; ftpWebRequest.Credentials = new NetworkCredential(this.userID, this.password); ftpWebRequest.Method = WebRequestMethods.Ftp.GetDateTimestamp; FtpWebResponse ftpWebResponse = null; try { ftpWebResponse = ftpWebRequest.GetResponse() as FtpWebResponse; DateTime lastModifiedDateTime = ftpWebResponse.LastModified; return lastModifiedDateTime; } finally { if(ftpWebResponse != null) { ftpWebResponse.Close(); } } } #endregion #region 이름 변경하기 - Rename(serverFilePath, newFileName) /// <summary> /// 이름 변경하기 /// </summary> /// <param name="serverFilePath">서버 파일 경로</param> /// <param name="newFileName">새로운 파일명</param> public void Rename(string serverFilePath, string newFileName) { string serverURI = string.Format("ftp: //{0}:{1}/{2}", this.serverIP, this.serverPort, serverFilePath); FtpWebRequest ftpWebRequest = FtpWebRequest.Create(new Uri(serverURI)) as FtpWebRequest; ftpWebRequest.Credentials = new NetworkCredential(this.userID, this.password); ftpWebRequest.Method = WebRequestMethods.Ftp.Rename; ftpWebRequest.RenameTo = newFileName; ftpWebRequest.UseBinary = true; ftpWebRequest.UsePassive = this.usePassive; FtpWebResponse ftpWebResponse = null; try { ftpWebResponse = ftpWebRequest.GetResponse() as FtpWebResponse; Stream serverStream = null; try { serverStream = ftpWebResponse.GetResponseStream(); } finally { if(serverStream != null) { serverStream.Close(); } } } finally { if(ftpWebResponse != null) { ftpWebResponse.Close(); } } } #endregion #region 파일명 리스트 구하기 - GetFileNameList(serverDirectory) /// <summary> /// 파일명 리스트 구하기 /// </summary> /// <param name="serverDirectory">서버 디렉토리</param> /// <returns>파일명 리스트</returns> public List<string> GetFileNameList(string serverDirectory) { List<string> fileNameList = new List<string>(); string serverURI = string.Format("ftp: //{0}:{1}/{2}", this.serverIP, this.serverPort, serverDirectory); FtpWebRequest ftpWebRequest = FtpWebRequest.Create(new Uri(serverURI)) as FtpWebRequest; ftpWebRequest.UseBinary = true; ftpWebRequest.UsePassive = this.usePassive; ftpWebRequest.Credentials = new NetworkCredential(this.userID, this.password); ftpWebRequest.Method = WebRequestMethods.Ftp.ListDirectoryDetails; WebResponse webResponse = null; try { webResponse = ftpWebRequest.GetResponse(); StreamReader streamReader = null; try { streamReader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8); string serverfilePath = streamReader.ReadLine(); while(serverfilePath != null) { fileNameList.Add(serverfilePath); serverfilePath = streamReader.ReadLine(); } return fileNameList; } finally { if(streamReader != null) { streamReader.Close(); } } } finally { if(webResponse != null) { webResponse.Close(); } } } #endregion #region 파일 삭제하기 - DeleteFile(serverFilePath) /// <summary> /// 파일 삭제하기 /// </summary> /// <param name="serverFilePath">서버 파일 경로</param> /// <returns>처리 결과</returns> public void DeleteFile(string serverFilePath) { string serverURI = string.Format("ftp: //{0}:{1}/{2}", this.serverIP, this.serverPort, serverFilePath); FtpWebRequest ftpWebRequest = FtpWebRequest.Create(new Uri(serverURI)) as FtpWebRequest; ftpWebRequest.Credentials = new NetworkCredential(this.userID, this.password); ftpWebRequest.KeepAlive = false; ftpWebRequest.Method = WebRequestMethods.Ftp.DeleteFile; FtpWebResponse ftpWebResponse = null; try { ftpWebResponse = ftpWebRequest.GetResponse() as FtpWebResponse; } finally { if(ftpWebResponse != null) { ftpWebResponse.Close(); } } } #endregion #region 디렉토리 만들기 - MakeDirectory(serverDirectory) /// <summary> /// 디렉토리 만들기 /// </summary> /// <param name="serverDirectory">서버 디렉토리</param> public void MakeDirectory(string serverDirectory) { string serverURI = string.Format("ftp: //{0}:{1}/{2}", this.serverIP, this.serverPort, serverDirectory); FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(serverURI)); reqFTP.Credentials = new NetworkCredential(this.userID, this.password); reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory; reqFTP.UseBinary = true; reqFTP.UsePassive = this.usePassive; FtpWebResponse ftpWebResponse = null; try { ftpWebResponse = (FtpWebResponse)reqFTP.GetResponse(); Stream serverStream = null; try { serverStream = ftpWebResponse.GetResponseStream(); } finally { if(serverStream != null) { serverStream.Close(); } } } finally { if(ftpWebResponse != null) { ftpWebResponse.Close(); } } } #endregion #region 존재하지 않는 경우 디렉토리 만들기 - MakeDirectoryIfNotExists(localFilePath) /// <summary> /// 존재하지 않는 경우 디렉토리 만들기 /// </summary> /// <param name="localFilePath">로컬 파일 경로</param> /// <returns>처리 결과</returns> public void MakeDirectoryIfNotExists(string localFilePath) { FileInfo localFileInfo = new FileInfo(localFilePath); if(!localFileInfo.Exists) { DirectoryInfo localDirectoryInfo = new DirectoryInfo(localFileInfo.DirectoryName); if(!localDirectoryInfo.Exists) { localDirectoryInfo.Create(); } } } #endregion } } |
▶ FTPStatusEventArgs.cs
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using System; namespace TestProject { /// <summary> /// FTP 상태 이벤트 인자 /// </summary> public class FTPStatusEventArgs : EventArgs { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 파일 크기 (바이트) - FileSize /// <summary> /// 파일 크기 (바이트) /// </summary> public long FileSize { get; internal set; } #endregion #region 전송 크기 (바이트) - TransferSize /// <summary> /// 전송 크기 (바이트) /// </summary> public long TransferSize { get; internal set; } #endregion #region 전송 전체 크기 (바이트) - TransferTotalSize /// <summary> /// 전송 전체 크기 (바이트) /// </summary> public long TransferTotalSize { get; internal set; } #endregion } } |
