ftp protocol을 이용하여 지정된 host에 파일 업로드 하기(ftp upload)

ftp protocol을 이용하여 지정된 host에 파일 업로드 하기(ftp upload)

 

#region "로컬로부터 파일을 업로드 하기 위한 함수 : UploadFile"

/// ////////////////////////////////////////////////////////////
/// Makeby : HJKIM@FROM30 20090828
/// FuncName: DownloadFile
/// review : This function can download the files of server.
/// apply : ftp client download function method,
/// ////////////////////////////////////////////////////////////
public bool UploadFile(string localfile, string targetfile, bool IsfileSizeChk)
{
FileInfo fi = new FileInfo(localfile);
if (fi.Exists != true)
{
string strtemp;
strtemp = string.Format("\"{0}\" File이 존재하지 않습니다. 확인 바랍니다.", localfile);
MessageBox.Show(strtemp, "File Not Exsit!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}

// 1. check target
string target;
if (targetfile.Contains("/"))
{
//treat as a full path
target = AdjustDir(targetfile);
}
else
target = "/" + targetfile;

string URI = "ftp://" + axSinfo.hostname + "/" + target;

// 2. perform copy
System.Net.FtpWebRequest ftp = GetRequest(URI);

// set requeset to download a file in binary mode
ftp.Method = System.Net.WebRequestMethods.Ftp.UploadFile;
ftp.UseBinary = true;

// Notify FTP of the expected size
ftp.ContentLength = fi.Length;

// create byte array to store : ensure at least 1 byte!
const int BufferSize = 2048;
byte[] content = new byte[BufferSize];
int dataRead;

using (FileStream fs = fi.OpenRead())
{
try
{
// open request to send
using (Stream rs = ftp.GetRequestStream())
{
do
{
dataRead = fs.Read(content, 0, BufferSize);
rs.Write(content, 0, dataRead);
} while (!(dataRead < BufferSize));
rs.Close();
}

// local PC로 download가 정상적으로 수행되었는지 file size를 Check한다.
CheckFileStatus(Convert.ToInt32(ftp.ContentLength), fi, IsfileSizeChk);
}
catch (Exception err)
{
string strErrMsg;
strErrMsg = string.Format(@"Window MSG:{0}

[서버 접근이 가능한지 확인 바랍니다.]
[INFORM: Upload file name:{1} IP:{2}, USER ID:{3}]", err.ToString(), target, axSinfo.hostname, axSinfo.userid);
MessageBox.Show(strErrMsg, "Error Information!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
// ensure file closed
fs.Close();
}
}

ftp = null;
return true;
}

#endregion

 

//부수적인 함수들

/// ////////////////////////////////////////////////////////////
/// Makeby : HJKIM@FROM30 20090828
/// FuncName: CheckFileStatus
/// review : This function is compare to "local file" and "server file".
/// apply : etc
/// ////////////////////////////////////////////////////////////
private void CheckFileStatus(int fsize, FileInfo fi, bool IsfileSizeChk)
{
if (IsfileSizeChk == true)
{
string strTemp;
if (fi.Exists == false)
MessageBox.Show("TESTER SIDE에 파일이 존재하지 않습니다. 확인 바랍니다.", "Error Information",
MessageBoxButtons.OK, MessageBoxIcon.Error);
if (fsize != fi.Length)
{
strTemp = string.Format("파일이 정상적으로 다운로드 되지 않았습니다. filesize [{0}] : [{1}]",
fsize, fi.Length);
MessageBox.Show(strTemp, "Error Information", MessageBoxButtons.OK, MessageBoxIcon.Error);
}

}
}

/// Amend an FTP path so that it always starts with
private string AdjustDir(string path)
{
return ((path.StartsWith("/")) ? "" : "/").ToString() + path;
}

//Get the basic FtpWebRequest object with the
//common settings and security
private FtpWebRequest GetRequest(string URI)
{
//create request
FtpWebRequest result = (FtpWebRequest)FtpWebRequest.Create(URI);
//Set the login details
result.Credentials = GetCredentials();
//Do not keep alive (stateless mode)
result.KeepAlive = false;

return result;
}

/// <summary>
/// Get the credentials from username/password
/// </summary>
private System.Net.ICredentials GetCredentials()
{
return new System.Net.NetworkCredential(axSinfo.userid, axSinfo.password);
}