public void RenameFile(RenameFileOperation operation)
{
var configName = RavenFileNameHelper.RenameOperationConfigNameForFile(operation.Name);
notificationPublisher.Publish(new FileChange
{
File = FilePathTools.Cannoicalise(operation.Name),
Action = FileChangeAction.Renaming
});
storage.Batch(accessor =>
{
var previousRenameTombstone = accessor.ReadFile(operation.Rename);
if (previousRenameTombstone != null &&
previousRenameTombstone.Metadata[SynchronizationConstants.RavenDeleteMarker] != null)
{
// if there is a tombstone delete it
accessor.Delete(previousRenameTombstone.Name);
}
accessor.RenameFile(operation.Name, operation.Rename, true);
accessor.UpdateFileMetadata(operation.Rename, operation.MetadataAfterOperation);
// copy renaming file metadata and set special markers
var tombstoneMetadata =
new NameValueCollection(operation.MetadataAfterOperation).WithRenameMarkers(operation.Rename);
accessor.PutFile(operation.Name, 0, tombstoneMetadata, true); // put rename tombstone
accessor.DeleteConfig(configName);
search.Delete(operation.Name);
search.Index(operation.Rename, operation.MetadataAfterOperation);
});
notificationPublisher.Publish(new ConfigChange { Name = configName, Action = ConfigChangeAction.Set });
notificationPublisher.Publish(new FileChange
{
File = FilePathTools.Cannoicalise(operation.Rename),
Action = FileChangeAction.Renamed
});
}
public HttpResponseMessage Patch(string name, string rename)
{
name = RavenFileNameHelper.RavenPath(name);
rename = RavenFileNameHelper.RavenPath(rename);
try
{
ConcurrencyAwareExecutor.Execute(() =>
Storage.Batch(accessor =>
{
AssertFileIsNotBeingSynced(name, accessor, true);
var metadata = accessor.GetFile(name, 0, 0).Metadata;
if (metadata.Keys.Contains(SynchronizationConstants.RavenDeleteMarker))
{
throw new FileNotFoundException();
}
var existingHeader = accessor.ReadFile(rename);
if (existingHeader != null && !existingHeader.Metadata.ContainsKey(SynchronizationConstants.RavenDeleteMarker))
{
throw new HttpResponseException(
Request.CreateResponse(HttpStatusCode.Forbidden,
new InvalidOperationException("Cannot rename because file " + rename + " already exists")));
}
Historian.UpdateLastModified(metadata);
var operation = new RenameFileOperation
{
Name = name,
Rename = rename,
MetadataAfterOperation = metadata
};
accessor.SetConfig(RavenFileNameHelper.RenameOperationConfigNameForFile(name), JsonExtensions.ToJObject(operation));
accessor.PulseTransaction(); // commit rename operation config
StorageOperationsTask.RenameFile(operation);
}), ConcurrencyResponseException);
}
catch (FileNotFoundException)
{
log.Debug("Cannot rename a file '{0}' to '{1}' because a file was not found", name, rename);
return GetEmptyMessage(HttpStatusCode.NotFound);
}
log.Debug("File '{0}' was renamed to '{1}'", name, rename);
StartSynchronizeDestinationsInBackground();
return GetMessageWithString("", HttpStatusCode.NoContent);
}
public async Task Should_resume_file_renaming_from_client()
{
var client = NewAsyncClient();
var rfs = GetRavenFileSystem();
string fileName = FileHeader.Canonize("file.bin");
string rename = FileHeader.Canonize("renamed.bin");
await client.UploadAsync(fileName, new RandomStream(1));
// create config to say to the server that rename operation performed last time were not finished
var renameOpConfig = RavenFileNameHelper.RenameOperationConfigNameForFile(fileName);
var renameOperation = new RenameFileOperation
{
Name = fileName,
Rename = rename,
MetadataAfterOperation = new RavenJObject().WithETag(Guid.Empty)
};
rfs.Storage.Batch(accessor => accessor.SetConfigurationValue(renameOpConfig, renameOperation ));
await client.Storage.RetryRenamingAsync();
IEnumerable<string> configNames = await client.Configuration.GetKeyNamesAsync();
Assert.DoesNotContain(renameOpConfig, configNames);
var renamedMetadata = await client.GetMetadataForAsync(rename);
Assert.NotNull(renamedMetadata);
}
public void Should_resume_to_rename_file_if_appropriate_config_exists()
{
var client = NewAsyncClient();
var rfs = GetRavenFileSystem();
string fileName = FileHeader.Canonize("file.bin");
string rename = FileHeader.Canonize("renamed.bin");
client.UploadAsync(fileName, new RandomStream(1)).Wait();
// create config to say to the server that rename operation performed last time were not finished
var renameOpConfig = RavenFileNameHelper.RenameOperationConfigNameForFile(fileName);
var renameOperation = new RenameFileOperation
{
Name = fileName,
Rename = rename,
MetadataAfterOperation = new RavenJObject().WithETag(Guid.Empty)
};
rfs.Storage.Batch(accessor => accessor.SetConfigurationValue(renameOpConfig, renameOperation));
rfs.StorageOperationsTask.ResumeFileRenamingAsync().Wait();
IEnumerable<string> configNames = null;
rfs.Storage.Batch(accessor => configNames = accessor.GetConfigNames(0, 10).ToArray());
Assert.DoesNotContain(renameOpConfig, configNames);
var renamedMetadata = client.GetMetadataForAsync(rename).Result;
Assert.NotNull(renamedMetadata);
var results = client.SearchOnDirectoryAsync("/").Result; // make sure that indexes are updated
Assert.Equal(1, results.FileCount);
Assert.Equal(rename, results.Files[0].FullPath);
}
