private static BackupProgress ToBackupProgress(IProgressItem progressItem)
{
if (progressItem == null)
{
return(null);
}
var progress = new BackupProgress
{
IsCompleted = progressItem.IsCompleted,
Progress = (int)progressItem.Percentage,
Error = progressItem.Error != null ? ((Exception)progressItem.Error).Message : null
};
var backupProgressItem = progressItem as BackupProgressItem;
if (backupProgressItem != null)
{
progress.Link = backupProgressItem.Link;
}
else
{
var transferProgressItem = progressItem as TransferProgressItem;
if (transferProgressItem != null)
{
progress.Link = transferProgressItem.Link;
}
}
return(progress);
}
/// <summary>
/// Sends the backup progress status to the messaging provider for delivery.
/// </summary>
/// <param name="Progress">An initialized <c>BackupProgress</c> object.</param>
public async Task SendBackupProgressStatusMessageAsync(BackupProgress Progress)
{
var finalMessage = string.Format(MessageFormat,
Environment.MachineName.ToUpper(), Progress.OverallPercentage,
Progress.BackedUpFileCount, Progress.BackedUpFileSize,
Progress.RemainingFileCount, Progress.RemainingFileSize);
Logger.WriteTraceMessage("Sending backup status update messages through Twilio.");
foreach (var destPhone in DestinationPhones)
{
try
{
var message = await MessageResource.CreateAsync(
body : finalMessage,
from : new PhoneNumber(SourcePhone),
to : new PhoneNumber(destPhone)
).ConfigureAwait(false);
Logger.WriteTraceMessage(string.Format("Twilio message {0} delivery attempt result: {1}", message.Sid, message.Status));
}
catch (ApiException ex)
{
Logger.WriteTraceError("Failed to send an SMS message through Twilio.", ex, Logger.GenerateFullContextStackTrace());
}
}
}
public bool PerformBackup()
{
string backupDirectory = HostingEnvironment.MapPath(this.PostgreSQL.DatabaseBackupDirectory);
if (backupDirectory == null)
{
this.OnOnBackupFail(new BackupProgressInfo(Warnings.BackupDirectoryNotFound));
return(false);
}
backupDirectory = Path.Combine(backupDirectory, this.FileName);
string path = Path.Combine(backupDirectory, "db.backup");
Directory.CreateDirectory(backupDirectory);
BackupProcess process = new BackupProcess(this.PostgreSQL, path);
process.Progress += delegate(BackupProgressInfo info)
{
BackupProgress progress = this.Progress;
if (progress != null)
{
progress(new BackupProgressInfo(info.Message));
}
};
process.BackupComplete += delegate(object sender, EventArgs args)
{
BackupResource resourceBackup = new BackupResource(backupDirectory);
resourceBackup.Backup();
BackupCompression compression = new BackupCompression(backupDirectory);
compression.Compress(true);
BackupComplete complete = this.BackupComplete;
if (complete != null)
{
complete(this, args);
}
};
bool result = process.Execute();
if (!result)
{
this.OnOnBackupFail(new BackupProgressInfo(Warnings.CannotCreateABackup));
return(false);
}
return(true);
}
private void Data_Received(object sender, DataReceivedEventArgs e)
{
if (!string.IsNullOrWhiteSpace(e.Data))
{
BackupProgress progress = this.Progress;
if (progress != null)
{
progress(new BackupProgressInfo(e.Data));
}
}
}
public async Task <BackupDirResult> Dump(string sourceDir, string backupDir)
{
_progress = new BackupProgress();
_logger?.LogInformation($"Dump directory: '{sourceDir}' into '{backupDir}'");
await Connect();
await EnsureBackupDirectory(backupDir);
var result = await DumpSourceDir(sourceDir, backupDir);
await Disconnect();
return(result);
}
private BackupProgress ToBackupProgress(BaseBackupProgressItem progressItem)
{
if (progressItem == null)
{
return(null);
}
var progress = new BackupProgress
{
IsCompleted = progressItem.IsCompleted,
Progress = (int)progressItem.Percentage,
Error = progressItem.Error != null ? ((Exception)progressItem.Error).Message : "",
TenantId = progressItem.TenantId,
BackupProgressEnum = progressItem.BackupProgressItemEnum.Convert()
};
if (progressItem is BackupProgressItem backupProgressItem && backupProgressItem.Link != null)
{
progress.Link = backupProgressItem.Link;
}
/// <summary>
/// Sends the status update to the current status provider.
/// </summary>
private async Task SendStatusUpdateAsync(BackupProgress Progress)
{
if (MessagingConnections.Count == 0)
{
Logger.WriteTraceWarning("Unable to send status updates. There are no messaging providers configured/enabled.");
return;
}
foreach (var messageProvider in MessagingConnections)
{
Logger.WriteTraceMessage("Attempting to send status update for messaging provider: " + messageProvider.Key);
try
{
await messageProvider.Value.SendBackupProgressStatusMessageAsync(Progress).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.WriteTraceError("Failed to send a backup progress update message: " + ex.ToString());
}
}
}
