public async Task<SynchronizationReport> SynchronizeFileToAsync(string fileName, SynchronizationDestination destination) { ICredentials credentials = null; if (string.IsNullOrEmpty(destination.Username) == false) { credentials = string.IsNullOrEmpty(destination.Domain) ? new NetworkCredential(destination.Username, destination.Password) : new NetworkCredential(destination.Username, destination.Password, destination.Domain); } var conventions = new FilesConvention(); if (string.IsNullOrEmpty(destination.AuthenticationScheme) == false) conventions.AuthenticationScheme = destination.AuthenticationScheme; var destinationClient = new SynchronizationServerClient(destination.ServerUrl, destination.FileSystem, convention: conventions, apiKey: destination.ApiKey, credentials: credentials); RavenJObject destinationMetadata; try { destinationMetadata = await destinationClient.GetMetadataForAsync(fileName).ConfigureAwait(false); } catch (Exception ex) { var exceptionMessage = "Could not get metadata details for " + fileName + " from " + destination.Url; Log.WarnException(exceptionMessage, ex); return new SynchronizationReport(fileName, Guid.Empty, SynchronizationType.Unknown) { Exception = new SynchronizationException(exceptionMessage, ex) }; } RavenJObject localMetadata = GetLocalMetadata(fileName); NoSyncReason reason; SynchronizationWorkItem work = synchronizationStrategy.DetermineWork(fileName, localMetadata, destinationMetadata, FileSystemUrl, out reason); if (work == null) { Log.Debug("File '{0}' was not synchronized to {1}. {2}", fileName, destination.Url, reason.GetDescription()); return new SynchronizationReport(fileName, Guid.Empty, SynchronizationType.Unknown) { Exception = new SynchronizationException(reason.GetDescription()) }; } return await PerformSynchronizationAsync(destinationClient, work).ConfigureAwait(false); }