| protected Dispose ( bool disposing ) : void | ||
| disposing | bool | true to release both managed and unmanaged resources; false to release only unmanaged resources. |
| return | void | |
/// <summary>
/// Releases the unmanaged resources used by the <see cref="FtpFileWatcher"/> object and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
try
{
if (!m_disposed)
{
if (disposing)
{
Close();
if ((object)m_session != null)
{
m_session.CommandSent -= OnCommandSent;
m_session.ResponseReceived -= OnResponseReceived;
m_session.Dispose();
}
m_session = null;
if ((object)m_watchTimer != null)
{
m_watchTimer.Elapsed -= WatchTimer_Elapsed;
m_watchTimer.Dispose();
}
m_watchTimer = null;
if ((object)m_restartTimer != null)
{
m_restartTimer.Elapsed -= RestartTimer_Elapsed;
m_restartTimer.Dispose();
}
m_restartTimer = null;
}
}
m_disposed = true;
}
finally
{
base.Dispose(disposing);
}
}
/// <summary>
/// Replicates the <see cref="GSF.Historian.IArchive"/>.
/// </summary>
protected override void ReplicateArchive()
{
WriteTrace("Archive replication started");
// Parse FTP client information.
Uri replicaUri = new Uri(ReplicaLocation);
string[] credentials = replicaUri.UserInfo.Split(':');
// Ensure credentials are supplied.
if (credentials.Length != 2)
throw new ArgumentException("FTP credentials are missing in ReplicaLocation.");
// Create FTP client for uploading.
FtpClient ftpClient = new FtpClient();
ftpClient.Server = replicaUri.Host;
ftpClient.Port = replicaUri.Port;
ftpClient.FileTransferProgress += FtpClient_FileTransferProgress;
// Initialize the replication log.
WriteTrace("Initializing archive replication log");
DataTable replicationLog = new DataTable("ReplicationRecord");
replicationLog.Columns.Add("DateTime");
replicationLog.Columns.Add("FileName");
replicationLog.Columns.Add("FileHash");
replicationLog.Columns.Add("FileSync");
replicationLog.Columns.Add("HashingTime");
replicationLog.Columns.Add("TransferTime");
replicationLog.Columns.Add("TransferRate");
replicationLog.Columns.Add("ServerRequests");
replicationLog.Columns.Add("ServerResponse");
if (File.Exists(FilePath.GetAbsolutePath(ReplicationLogFile)))
replicationLog.ReadXml(FilePath.GetAbsolutePath(ReplicationLogFile));
WriteTrace("Archive replication log initialized");
try
{
// Connect FTP client to server.
WriteTrace("Connecting to ftp://{0}:{1}", ftpClient.Server, ftpClient.Port);
ftpClient.Connect(credentials[0], credentials[1]);
WriteTrace("Connection successful");
WriteTrace("Changing current directory to '{0}'", replicaUri.AbsolutePath);
ftpClient.SetCurrentDirectory(replicaUri.LocalPath);
WriteTrace("Current directory changed to '{0}'", ftpClient.CurrentDirectory.FullPath);
// Process all archive location(s).
foreach (string folder in ArchiveLocation.Split(';'))
{
if (!string.IsNullOrEmpty(folder))
ReplicateToHadoop(ftpClient, folder.Trim(), replicationLog);
}
}
finally
{
ftpClient.Dispose();
replicationLog.WriteXml(FilePath.GetAbsolutePath(ReplicationLogFile));
}
WriteTrace("Archive replication complete");
}
