public Task BroadcastLibAnnounceAsync(Hash libHash, long libHeight)
{
var announce = new LibAnnouncement
{
LibHash = libHash,
LibHeight = libHeight
};
foreach (var peer in _peerPool.GetPeers())
{
try
{
peer.EnqueueLibAnnouncement(announce, async ex =>
{
if (ex != null)
{
Logger.LogError(ex, $"Error while broadcasting lib announcement to {peer}.");
await HandleNetworkException(peer, ex);
}
});
}
catch (NetworkException ex)
{
Logger.LogError(ex, $"Error while broadcasting lib announcement to {peer}.");
}
}
return(Task.CompletedTask);
}
public Task ProcessLibAnnouncement(LibAnnouncement announcement, ServerCallContext context)
{
if (announcement?.LibHash == null)
{
Logger.LogWarning($"Received null or empty announcement from {context.GetPeerInfo()}.");
return(Task.CompletedTask);
}
Logger.LogDebug(
$"Received lib announce hash: {announcement.LibHash}, height {announcement.LibHeight} from {context.GetPeerInfo()}.");
var peer = _connectionService.GetPeerByPubkey(context.GetPublicKey());
if (peer == null)
{
// if peer already removed, drop.
return(Task.CompletedTask);
}
peer.UpdateLastKnownLib(announcement);
if (peer.SyncState != SyncState.Finished)
{
peer.SyncState = SyncState.Finished;
}
return(Task.CompletedTask);
}
public Task BroadcastLibAnnounceAsync(Hash libHash, long libHeight)
{
var announce = new LibAnnouncement
{
LibHash = libHash,
LibHeight = libHeight
};
foreach (var peer in _peerPool.GetPeers())
{
try
{
peer.EnqueueLibAnnouncement(announce, async ex =>
{
if (ex != null)
{
Logger.LogWarning(ex, $"Could not broadcast lib announcement to {peer} " +
$"- status {peer.ConnectionStatus}.");
await HandleNetworkException(peer, ex);
}
});
}
catch (NetworkException ex)
{
Logger.LogWarning(ex, $"Could not enqueue lib announcement to {peer} " +
$"- status {peer.ConnectionStatus}.");
}
}
return(Task.CompletedTask);
}
public void UpdateLastKnownLib_Test()
{
var libAnnouncement = new LibAnnouncement
{
LibHeight = 100,
LibHash = HashHelper.ComputeFrom(100)
};
_grpcPeer.UpdateLastKnownLib(libAnnouncement);
_grpcPeer.LastKnownLibHash.ShouldBe(libAnnouncement.LibHash);
_grpcPeer.LastKnownLibHeight.ShouldBe(libAnnouncement.LibHeight);
libAnnouncement = new LibAnnouncement
{
LibHeight = 101,
LibHash = HashHelper.ComputeFrom(101)
};
_grpcPeer.UpdateLastKnownLib(libAnnouncement);
_grpcPeer.LastKnownLibHash.ShouldBe(libAnnouncement.LibHash);
_grpcPeer.LastKnownLibHeight.ShouldBe(libAnnouncement.LibHeight);
var wrongLibAnnouncement = new LibAnnouncement
{
LibHeight = 90,
LibHash = HashHelper.ComputeFrom(90)
};
_grpcPeer.UpdateLastKnownLib(wrongLibAnnouncement);
_grpcPeer.LastKnownLibHash.ShouldBe(libAnnouncement.LibHash);
_grpcPeer.LastKnownLibHeight.ShouldBe(libAnnouncement.LibHeight);
}
public void UpdateLastKnownLib(LibAnnouncement libAnnouncement)
{
if (libAnnouncement.LibHeight <= LastKnownLibHeight)
{
return;
}
LastKnownLibHash = libAnnouncement.LibHash;
LastKnownLibHeight = libAnnouncement.LibHeight;
}
public void EnqueueLibAnnouncement(LibAnnouncement libAnnouncement, Action <NetworkException> sendCallback)
{
if (!IsReady)
{
throw new NetworkException($"Dropping lib announcement, peer is not ready - {this}.",
NetworkExceptionType.NotConnected);
}
_sendAnnouncementJobs.Post(new StreamJob
{
LibAnnouncement = libAnnouncement,
SendCallback = sendCallback
});
}
public Task ProcessLibAnnouncement(LibAnnouncement announcement, ServerCallContext context)
{
if (announcement?.LibHash == null)
{
Logger.LogError($"Received null or empty announcement from {context.GetPeerInfo()}.");
return(Task.CompletedTask);
}
Logger.LogDebug($"Received lib announce hash: {announcement.LibHash}, height {announcement.LibHeight} from {context.GetPeerInfo()}.");
var peer = _connectionService.GetPeerByPubkey(context.GetPublicKey());
peer?.UpdateLastKnownLib(announcement);
return(Task.CompletedTask);
}
/// <summary>
/// Send a lib announcement to the peer using the stream call.
/// Note: this method is not thread safe.
/// </summary>
public async Task SendLibAnnouncementAsync(LibAnnouncement libAnnouncement)
{
if (_libAnnouncementStreamCall == null)
{
_libAnnouncementStreamCall = _client.LibAnnouncementBroadcastStream(new Metadata {
{ GrpcConstants.SessionIdMetadataKey, OutboundSessionId }
});
}
try
{
await _libAnnouncementStreamCall.RequestStream.WriteAsync(libAnnouncement);
}
catch (RpcException)
{
_libAnnouncementStreamCall.Dispose();
_libAnnouncementStreamCall = null;
throw;
}
}
public Task ProcessLibAnnouncementAsync(LibAnnouncement announcement, string peerPubkey)
{
if (announcement?.LibHash == null)
{
Logger.LogWarning($"Received null or empty announcement from {peerPubkey}.");
return(Task.CompletedTask);
}
Logger.LogDebug(
$"Received lib announce hash: {announcement.LibHash}, height {announcement.LibHeight} from {peerPubkey}.");
var peer = TryGetPeerByPubkey(peerPubkey);
peer.UpdateLastKnownLib(announcement);
if (peer.SyncState != SyncState.Finished)
{
peer.SyncState = SyncState.Finished;
}
return(Task.CompletedTask);
}