private async Task <byte[][]> SendRequest(GetNodeDataMessage message, CancellationToken token)
{
if (Logger.IsTrace)
{
Logger.Trace("Sending node fata request:");
Logger.Trace($"Keys count: {message.Keys.Length}");
}
var request = new Request <GetNodeDataMessage, byte[][]>(message);
_nodeDataRequests.Add(request, token);
Send(request.Message);
Task <byte[][]> task = request.CompletionSource.Task;
var firstTask = await Task.WhenAny(task, Task.Delay(Timeouts.Eth, token));
if (firstTask.IsCanceled)
{
token.ThrowIfCancellationRequested();
}
if (firstTask == task)
{
return(task.Result);
}
throw new TimeoutException($"{Session.RemoteNodeId} Request timeout in {nameof(GetNodeDataMessage)}");
}
public override int MessageIdSpaceSize => 17; // magic number here following Go
public override void HandleMessage(ZeroPacket message)
{
base.HandleMessage(message);
int size = message.Content.ReadableBytes;
switch (message.PacketType)
{
case Eth63MessageCode.GetReceipts:
GetReceiptsMessage getReceiptsMessage = Deserialize <GetReceiptsMessage>(message.Content);
ReportIn(getReceiptsMessage);
Handle(getReceiptsMessage);
break;
case Eth63MessageCode.Receipts:
ReceiptsMessage receiptsMessage = Deserialize <ReceiptsMessage>(message.Content);
ReportIn(receiptsMessage);
Handle(receiptsMessage, size);
break;
case Eth63MessageCode.GetNodeData:
GetNodeDataMessage getNodeDataMessage = Deserialize <GetNodeDataMessage>(message.Content);
ReportIn(getNodeDataMessage);
Handle(getNodeDataMessage);
break;
case Eth63MessageCode.NodeData:
NodeDataMessage nodeDataMessage = Deserialize <NodeDataMessage>(message.Content);
ReportIn(nodeDataMessage);
Handle(nodeDataMessage, size);
break;
}
}
public override async Task <byte[][]> GetNodeData(Keccak[] keys, CancellationToken token)
{
var msg = new GetNodeDataMessage(keys);
byte[][] receipts = await SendRequest(msg, token);
return(receipts);
}
private void Handle(GetNodeDataMessage msg)
{
byte[][] nodeData = SyncServer.GetNodeData(msg.Keys);
Interlocked.Increment(ref _counter);
if (Logger.IsTrace)
{
Logger.Trace($"OUT {_counter:D5} NodeData to {Node:s}");
}
Send(new NodeDataMessage(nodeData));
}
protected NodeDataMessage FulfillNodeDataRequest(GetNodeDataMessage msg)
{
if (msg.Hashes.Count > 4096)
{
throw new EthSyncException("Incoming node data request for more than 4096 nodes");
}
byte[][] nodeData = SyncServer.GetNodeData(msg.Hashes);
return(new NodeDataMessage(nodeData));
}
public override async Task <byte[][]> GetNodeData(IList <Keccak> keys, CancellationToken token)
{
if (keys.Count == 0)
{
return(Array.Empty <byte[]>());
}
var msg = new GetNodeDataMessage(keys);
byte[][] receipts = await SendRequest(msg, token);
return(receipts);
}
private void Handle(GetNodeDataMessage msg)
{
Stopwatch stopwatch = Stopwatch.StartNew();
byte[][] nodeData = SyncServer.GetNodeData(msg.Keys);
Interlocked.Increment(ref Counter);
Send(new NodeDataMessage(nodeData));
stopwatch.Stop();
if (Logger.IsTrace)
{
Logger.Trace($"OUT {Counter:D5} NodeData to {Node:c} in {stopwatch.Elapsed.TotalMilliseconds}ms");
}
}
private void Handle(GetNodeDataMessage msg)
{
Metrics.Eth63GetNodeDataReceived++;
Stopwatch stopwatch = Stopwatch.StartNew();
Send(FulfillNodeDataRequest(msg));
stopwatch.Stop();
if (Logger.IsTrace)
{
Logger.Trace($"OUT {Counter:D5} NodeData to {Node:c} in {stopwatch.Elapsed.TotalMilliseconds}ms");
}
}
public override async Task <byte[][]> GetNodeData(IList <Keccak> keys, CancellationToken token)
{
if (keys.Count == 0)
{
return(Array.Empty <byte[]>());
}
GetNodeDataMessage msg = new GetNodeDataMessage(keys);
// if node data is a disposable pooled array wrapper here then we could save around 1.6% allocations
// on a sample 3M blocks Goerli fast sync
byte[][] nodeData = await SendRequest(msg, token);
return(nodeData);
}
private void Handle(GetNodeDataMessage msg)
{
Metrics.Eth63GetNodeDataReceived++;
if (msg.Hashes.Count > 4096)
{
throw new EthSyncException("Incoming node data request for more than 4096 nodes");
}
Stopwatch stopwatch = Stopwatch.StartNew();
byte[][] nodeData = SyncServer.GetNodeData(msg.Hashes);
Send(new NodeDataMessage(nodeData));
stopwatch.Stop();
if (Logger.IsTrace)
{
Logger.Trace($"OUT {Counter:D5} NodeData to {Node:c} in {stopwatch.Elapsed.TotalMilliseconds}ms");
}
}
private void Handle(GetNodeDataMessage msg)
{
if (msg.Keys.Count > 4096)
{
throw new EthSynchronizationException("Incoming node data request for more than 4096 nodes");
}
Stopwatch stopwatch = Stopwatch.StartNew();
byte[][] nodeData = SyncServer.GetNodeData(msg.Keys);
Interlocked.Increment(ref Counter);
Send(new NodeDataMessage(nodeData));
stopwatch.Stop();
if (Logger.IsTrace)
{
Logger.Trace($"OUT {Counter:D5} NodeData to {Node:c} in {stopwatch.Elapsed.TotalMilliseconds}ms");
}
}
private async Task <byte[][]> SendRequest(GetNodeDataMessage message, CancellationToken token)
{
if (Logger.IsTrace)
{
Logger.Trace("Sending node fata request:");
Logger.Trace($"Keys count: {message.Keys.Count}");
}
var request = new Request <GetNodeDataMessage, byte[][]>(message);
_nodeDataRequests.Add(request, token);
var perfCalcId = _perfService.StartPerfCalc();
Send(request.Message);
Task <byte[][]> task = request.CompletionSource.Task;
CancellationTokenSource delayCancellation = new CancellationTokenSource();
CancellationTokenSource compositeCancellation = CancellationTokenSource.CreateLinkedTokenSource(token, delayCancellation.Token);
var firstTask = await Task.WhenAny(task, Task.Delay(Timeouts.Eth, compositeCancellation.Token));
if (firstTask.IsCanceled)
{
token.ThrowIfCancellationRequested();
}
if (firstTask == task)
{
delayCancellation.Cancel();
var latency = _perfService.EndPerfCalc(perfCalcId);
if (latency.HasValue)
{
// block headers here / ok
StatsManager.ReportLatencyCaptureEvent(Session.Node, NodeLatencyStatType.BlockHeaders, latency.Value);
}
return(task.Result);
}
StatsManager.ReportLatencyCaptureEvent(Session.Node, NodeLatencyStatType.BlockHeaders, (long)Timeouts.Eth.TotalMilliseconds);
_perfService.EndPerfCalc(perfCalcId);
throw new TimeoutException($"{Session} Request timeout in {nameof(GetNodeDataMessage)}");
}
private async Task <byte[][]> SendRequest(GetNodeDataMessage message, CancellationToken token)
{
if (Logger.IsTrace)
{
Logger.Trace("Sending node fata request:");
Logger.Trace($"Keys count: {message.Hashes.Count}");
}
Request <GetNodeDataMessage, byte[][]> request = new Request <GetNodeDataMessage, byte[][]>(message);
request.StartMeasuringTime();
_nodeDataRequests.Add(request, token);
Send(request.Message);
Task <byte[][]> task = request.CompletionSource.Task;
using CancellationTokenSource delayCancellation = new CancellationTokenSource();
using CancellationTokenSource compositeCancellation
= CancellationTokenSource.CreateLinkedTokenSource(token, delayCancellation.Token);
Task firstTask = await Task.WhenAny(task, Task.Delay(Timeouts.Eth, compositeCancellation.Token));
if (firstTask.IsCanceled)
{
token.ThrowIfCancellationRequested();
}
if (firstTask == task)
{
delayCancellation.Cancel();
long elapsed = request.FinishMeasuringTime();
long bytesPerMillisecond = (long)((decimal)request.ResponseSize / Math.Max(1, elapsed));
if (Logger.IsTrace)
{
Logger.Trace($"{this} speed is {request.ResponseSize}/{elapsed} = {bytesPerMillisecond}");
}
StatsManager.ReportTransferSpeedEvent(Session.Node, TransferSpeedType.NodeData, bytesPerMillisecond);
return(task.Result);
}
StatsManager.ReportTransferSpeedEvent(Session.Node, TransferSpeedType.NodeData, 0L);
throw new TimeoutException($"{Session} Request timeout in {nameof(GetNodeDataMessage)}");
}
private void Handle(GetNodeDataMessage msg)
{
byte[][] nodeData = SyncServer.GetNodeData(msg.Keys);
Send(new NodeDataMessage(nodeData));
}
