private async Task ExecuteRequest(CancellationToken token, StateSyncBatch batch)
{
var peer = batch.AssignedPeer?.Current?.SyncPeer;
if (peer != null)
{
var hashes = batch.RequestedNodes.Select(r => r.Hash).ToArray();
Task <byte[][]> getNodeDataTask = peer.GetNodeData(hashes, token);
await getNodeDataTask.ContinueWith(
t =>
{
if (t.IsCompletedSuccessfully)
{
batch.Responses = getNodeDataTask.Result;
}
}
);
}
(NodeDataHandlerResult Result, int NodesConsumed)result = (NodeDataHandlerResult.InvalidFormat, 0);
try
{
if (batch.IsAdditionalDataConsumer)
{
result = (NodeDataHandlerResult.OK, _additionalConsumer.HandleResponse(new DataConsumerRequest(batch.ConsumerId, batch.RequestedNodes.Select(r => r.Hash).ToArray()), batch.Responses));
}
else
{
result = _feed.HandleResponse(batch);
}
if (result.Result == NodeDataHandlerResult.BadQuality)
{
_syncPeerPool.ReportWeakPeer(batch.AssignedPeer);
}
}
catch (Exception e)
{
if (_logger.IsError)
{
_logger.Error($"Error when handling response", e);
}
}
Interlocked.Add(ref _consumedNodesCount, result.NodesConsumed);
if (result.NodesConsumed == 0 && peer != null)
{
_syncPeerPool.ReportNoSyncProgress(batch.AssignedPeer, !batch.IsAdditionalDataConsumer);
}
if (batch.AssignedPeer != null)
{
_syncPeerPool.Free(batch.AssignedPeer);
}
}