public async Task UpdateDirectoryResult(string databaseName, string error)
{
var drivesInfo = PlatformDetails.RunningOnPosix ? DriveInfo.GetDrives() : null;
var driveInfo = DiskSpaceChecker.GetDriveInfo(_path, drivesInfo, out var realPath);
var diskSpaceInfo = DiskSpaceChecker.GetDiskSpaceInfo(driveInfo.DriveName);
if (CanAccessPath(_path, out var pathAccessError) == false)
{
error = pathAccessError;
}
var currentNodeInfo = new SingleNodeDataDirectoryResult
{
NodeTag = _serverStore.NodeTag,
FullPath = realPath,
FreeSpaceInBytes = diskSpaceInfo?.TotalFreeSpace.GetValue(SizeUnit.Bytes) ?? 0,
FreeSpaceHumane = diskSpaceInfo?.TotalFreeSpace.ToString(),
TotalSpaceInBytes = diskSpaceInfo?.TotalSize.GetValue(SizeUnit.Bytes) ?? 0,
TotalSpaceHumane = diskSpaceInfo?.TotalSize.ToString(),
Error = error
};
if (_getNodesInfo == false)
{
// write info of a single node
using (_serverStore.ContextPool.AllocateOperationContext(out JsonOperationContext context))
using (var writer = new BlittableJsonTextWriter(context, _responseBodyStream))
{
context.Write(writer, currentNodeInfo.ToJson());
}
return;
}
var clusterTopology = _serverStore.GetClusterTopology();
var relevantNodes = GetRelevantNodes(databaseName, clusterTopology);
var dataDirectoryResult = new DataDirectoryResult();
dataDirectoryResult.List.Add(currentNodeInfo);
if (relevantNodes.Count > 1)
{
await UpdateNodesDirectoryResult(relevantNodes, clusterTopology, dataDirectoryResult);
}
using (_serverStore.ContextPool.AllocateOperationContext(out JsonOperationContext context))
using (var writer = new BlittableJsonTextWriter(context, _responseBodyStream))
{
context.Write(writer, dataDirectoryResult.ToJson());
}
}
private async Task UpdateNodesDirectoryResult(IEnumerable <string> nodes, ClusterTopology clusterTopology, DataDirectoryResult dataDirectoryResult)
{
var tasks = new List <Task <SingleNodeDataDirectoryResult> >();
foreach (var nodeTag in nodes)
{
_serverStore.ServerShutdown.ThrowIfCancellationRequested();
if (nodeTag.Equals(_serverStore.NodeTag, StringComparison.OrdinalIgnoreCase))
{
continue;
}
var serverUrl = clusterTopology.GetUrlFromTag(nodeTag);
if (serverUrl == null)
{
continue;
}
tasks.Add(Task.Run(async() =>
{
var singleNodeResult = await GetSingleNodeDataDirectoryInfo(serverUrl);
return(singleNodeResult);
}, _serverStore.ServerShutdown));
}
await Task.WhenAll(tasks);
foreach (var task in tasks)
{
if (task.IsCompletedSuccessfully == false)
{
continue;
}
var singleNodeResult = await task;
if (singleNodeResult == null)
{
continue;
}
dataDirectoryResult.List.Add(singleNodeResult);
}
}