

CommonUtility
@ 12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 |
using System; using System.Collections.Generic; using System.Linq; using System.Text; using WinSCP; using System.Data.Linq; using System.Configuration; using STP.Database.Report; using System.Text.RegularExpressions; using System.Threading; using System.IO; namespace COMMONUTIL.FTP { public class FTPUtility { private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); private string _connectionString; private Session _session; public FTPUtility(string connectionString, string FTPHost, string username) { _connectionString = connectionString; if (_session == null) { _session = new Session(); _session.Open(GetSessionOptions(FTPHost, username)); } } public void GetFile(string remoteFilePath, string localFilePath, string FTPHost, string username, bool delete_after) { try { Console.WriteLine("\n FTPUTIL: Get File: " + remoteFilePath); // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; transferOptions.PreserveTimestamp = true; _session.GetFiles(remoteFilePath, localFilePath, delete_after, transferOptions).Check(); } catch (Exception e) { log.Error("Exception retrieving file: " + remoteFilePath + ". \n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(GetFile()): " + e.Message); } } public List<string> ListFilesInDirectory(string remoteFilePath, string FTPHost, string username) { List<string> fileList = new List<string>(); try { Console.WriteLine("\n FTPUTIL: Get File: " + remoteFilePath); // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; transferOptions.PreserveTimestamp = true; RemoteDirectoryInfo directory = _session.ListDirectory(remoteFilePath); foreach (RemoteFileInfo file in directory.Files) fileList.Add(file.Name); } catch (Exception e) { log.Error("Exception listing files in directory: " + remoteFilePath + ". \n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(ListFilesInDirectory()): " + e.Message); } return fileList; } public void PutFile(string remoteFilePath, string localFilepath, string FTPHost, string username, bool delete_after) { try { Console.WriteLine("\n FTPUTIL: Put File: " + remoteFilePath); // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; _session.PutFiles(localFilepath, remoteFilePath, false, transferOptions).Check(); } catch (Exception e) { log.Error("Exception putting file: " + remoteFilePath + ".\n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(PutFile()): " + e.Message); } } public void MoveFile(string sourceFilePath, string targetFilePath, string FTPHost, string username, bool delete_after) { try { Console.WriteLine("\n FTPUTIL: Move File: " + targetFilePath); // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; _session.MoveFile(sourceFilePath, targetFilePath); if (delete_after) _session.RemoveFiles(sourceFilePath); } catch (Exception e) { log.Error("Exception putting file: " + targetFilePath + ".\n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(MoveFile()): " + e.Message); } } public bool DirExists(string remoteDirectory, string FTPHost, string username) { bool ret = false; try { // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; ret = _session.FileExists(remoteDirectory); } catch (Exception e) { log.Error("Exception checking if directory exists: " + remoteDirectory + ".\n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(DirExists()): " + e.Message); } return ret; } public void CreateDir(string remoteDirectory, string FTPHost, string username) { try { // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; _session.CreateDirectory(remoteDirectory); } catch (Exception e) { log.Error("Exception creating directory: " + remoteDirectory + ".\n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(CreateDir()): " + e.Message); } } public bool FileExists(string remoteFilePath, string FTPHost, string username) { Console.WriteLine("\n FTPUTIL: File exists check: " + remoteFilePath); bool ret = false; try { // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; ret = _session.FileExists(remoteFilePath); Console.WriteLine("\n FileExists SUCCESS"); } catch (Exception e) { log.Error("Exception checking if file exists at location: " + remoteFilePath + ".\n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(FileExists()): " + e.Message); } return ret; } /// <summary> /// Poll for a file on an FTP server until its fully transferred on source /// large files may take some time upload on server - this eliminates partial file pulls /// </summary> /// <param name="remoteFilePath">Remote FTP File Path</param> /// <param name="localFilePath">Local File Path to store file</param> /// <param name="FTPHost">FTP Host / IP address</param> /// <param name="username">FTP username</param> /// <param name="delete_after">delete file on source after get</param> public void GetFullFile(string remoteFilePath, string localFilePath, string FTPHost, string username, bool delete_after) { try { Console.WriteLine("\n FTPUTIL: Get Full File: " + remoteFilePath); int previous_filesize = 0; int current_filesize = 1; int max_retry = 10; int current_try = 1; if (FileExists(remoteFilePath, FTPHost, username)) // only check if file already exists { // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; transferOptions.PreserveTimestamp = true; while (current_try <= max_retry) // Max 10 Trys { _session.GetFiles(remoteFilePath, localFilePath, delete_after, transferOptions).Check(); byte[] current_file = File.ReadAllBytes(localFilePath); current_filesize = current_file.Length; if (previous_filesize == current_filesize && current_filesize != 0) break; current_try++; previous_filesize = current_filesize; Thread.Sleep(1000); // Wait 3 seconds to try again. } } } catch (Exception e) { log.Error("Exception retrieving full file: " + remoteFilePath + ". \n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(GetFile()): " + e.Message); } } //gets last modified file with naming convention provided public string GetFilename(string remoteFilePath, string FTPHost, string username, string file_name_pattern) { Console.WriteLine("\n FTPUTIL: Get Filename: " + remoteFilePath); string filename = ""; try { // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; RemoteDirectoryInfo directory_info = _session.ListDirectory(remoteFilePath); DateTime last_modified = new DateTime(); foreach (RemoteFileInfo fileinfo in directory_info.Files) { if (fileinfo.Name.Contains(file_name_pattern) && fileinfo.LastWriteTime > last_modified) { filename = fileinfo.Name; last_modified = fileinfo.LastWriteTime; } } Console.WriteLine("\n FileExists SUCCESS"); } catch (Exception e) { log.Error("Exception checking if file exists at location: " + remoteFilePath + ".\n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(FileExists()): " + e.Message); } return filename; } //gets last modified file with naming convention provided public DateTime GetFileLastModifiedDateTime(string remoteFilePath, string FTPHost, string username, string file_name_pattern) { Console.WriteLine("\n FTPUTIL: GetFileLastModifiedDateTime: " + remoteFilePath); string filename = ""; DateTime last_modified = new DateTime(); try { // Upload files TransferOptions transferOptions = new TransferOptions(); transferOptions.TransferMode = TransferMode.Binary; RemoteDirectoryInfo directory_info = _session.ListDirectory(remoteFilePath); foreach (RemoteFileInfo fileinfo in directory_info.Files) { if (fileinfo.Name.Contains(file_name_pattern) && fileinfo.LastWriteTime > last_modified) { filename = fileinfo.Name; last_modified = fileinfo.LastWriteTime; } } Console.WriteLine("\n FileExists SUCCESS"); } catch (Exception e) { log.Error("Exception checking if file exists at location: " + remoteFilePath + ".\n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); _session.Dispose(); throw new Exception("FTPUtility EXCEPTION(FileExists()): " + e.Message); } return last_modified; } public SessionOptions GetSessionOptions(string FTPHost, string username) { SessionOptions sessionOptions = new SessionOptions(); event_logDataContext db = new event_logDataContext(_connectionString); try { ISingleResult<proc_get_ftp_server_info_by_host_and_userResult> result = db.proc_get_ftp_server_info_by_host_and_user(FTPHost, "", username); foreach (proc_get_ftp_server_info_by_host_and_userResult r in result) { string host = (r.ip != null && !r.ip.Trim().Equals("")) ? r.ip : r.url; sessionOptions.Protocol = (r.secure.Equals('Y')) ? Protocol.Sftp : Protocol.Ftp; sessionOptions.HostName = host; sessionOptions.UserName = r.username; sessionOptions.Password = r.pwd; if (r.port != null && r.port > 0) sessionOptions.PortNumber = r.port.Value; else { if (sessionOptions.Protocol == Protocol.Ftp) sessionOptions.PortNumber = 21; else if (sessionOptions.Protocol == Protocol.Sftp) { sessionOptions.PortNumber = 22; sessionOptions.SshHostKeyFingerprint = r.SshHostKeyFingerprint; } } break; } } catch (Exception e) { log.Error("Exception getting session settings. \n FTP Host: " + FTPHost + "\n Username: " + username + " \n Exception: " + e.Message); throw new Exception("FTPUtility EXCEPTION(GetSessionOptions()): " + e.Message); } return sessionOptions; } public void CloseSession() { _session.Dispose(); } } } |
Commits for CommonUtility/CommonUtility/CommonUtility/FTPUtility.cs
Revision | Author | Commited | Message |
---|---|---|---|
12
![]() |
![]() |
Mon 18 Jul, 2016 18:22:43 +0000 | updated constructor to include session |
11
![]() |
![]() |
Mon 18 Jul, 2016 16:09:31 +0000 | |
8
![]() |
![]() |
Mon 20 Jun, 2016 19:19:40 +0000 | Get Full File FTPUtil – make sure filesize is not 0 |
7
![]() |
![]() |
Mon 06 Jun, 2016 20:56:49 +0000 | GetFullFile Polling Mechanism |
6
![]() |
![]() |
Thu 02 Jun, 2016 03:42:27 +0000 | file exists with pattern |
4
![]() |
![]() |
Fri 27 May, 2016 14:18:09 +0000 | |
2
![]() |
![]() |
Mon 11 Apr, 2016 13:29:25 +0000 | |
1 |
![]() |
Tue 05 Apr, 2016 16:44:23 +0000 |