/// <summary>
/// for both coordinatorServer and userPeer
/// accepts connection, adds peer and/or stream to lists, responds with 'accepted'
/// </summary>
void ProcessReceivedHello_SetupRequestFromNewPeer(PeerHelloPacket helloPacket, IPEndPoint remoteEndpoint, SocketWithReceiver socket, PeerId localPeerIdForResponse, uint requestReceivedTimestamp32)
{
if (_localPeer.Configuration.RoleAsCoordinator)
{
if (_connectedPeers.Count > LocalLogicConfiguration.CoordinatorPeer_MaxConnectedPeersToAccept)
{
_localPeer.SysAdminFeedbackChannel.OnReachedMaxConnectedPeersAtThisCoordinatorServer();
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_tryLater, null, socket, remoteEndpoint);
return;
}
}
else if (_localPeer.Configuration.RoleAsSharedPassive)
{
if (_connectedPeers.Count > LocalLogicConfiguration.SharedPeer_MaxConnectedPeersToAccept)
{
_localPeer.SysAdminFeedbackChannel.OnReachedMaxConnectedPeersAtThisSharedPeer();
_localPeer.WriteToLog(LogModules.Hello, $"rejecting request from {remoteEndpoint}: _connectedPeers.Count={_connectedPeers.Count} > LocalLogicConfiguration.SharedPeer_MaxConnectedPeersToAccept");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_dontTryLater, null, socket, remoteEndpoint);
return;
}
}
else if (_localPeer.Configuration.RoleAsUser)
{
if (_connectedPeers.Count > LocalLogicConfiguration.UserPeer_MaxConnectedPeersToAccept)
{
_localPeer.WriteToLog(LogModules.Hello, $"rejecting request from {remoteEndpoint}: _connectedPeers.Count={_connectedPeers.Count} > LocalLogicConfiguration.UserPeer_MaxConnectedPeersToAccept");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_dontTryLater, null, socket, remoteEndpoint);
return;
}
if (!RemoteVersionIsAcceptableForNewConnection(helloPacket))
{
_localPeer.WriteToLog(LogModules.Hello, $"rejecting request from {remoteEndpoint}: old version");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_dontTryLater, null, socket, remoteEndpoint);
return;
}
}
if (!_connectedPeers.TryGetValue(helloPacket.FromPeerId, out var peer))
{
peer = new ConnectedPeer(_localPeer, helloPacket.FromPeerId, ConnectedPeerType.fromPeerAccepted, remoteEndpoint.Address);
_localPeer.WriteToLog(LogModules.Hello, $"accepted initial hello from peer {peer}");
lock (_connectedPeers)
_connectedPeers.Add(helloPacket.FromPeerId, peer);
}
if (peer.Streams.Count > LocalLogicConfiguration.ConnectedPeerMaxStreamsCount)
{
_localPeer.WriteToLog(LogModules.Hello, $"rejecting request from {remoteEndpoint}: peer.Streams.Count={peer.Streams.Count} > LocalLogicConfiguration.ConnectedPeerMaxStreamsCount");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_dontTryLater, null, socket, remoteEndpoint);
}
else
{
var stream = peer.TryAddStream(socket, remoteEndpoint, helloPacket.StreamId);
// _localPeer.WriteToLog(LogModules.Hello, $"created new stream {stream} from new peer {peer}");
var responseCpuDelayMs = (ushort)Math.Round(TimeSpan.FromTicks(unchecked (_localPeer.Time32 - requestReceivedTimestamp32)).TotalMilliseconds);
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.accepted, localPeerIdForResponse, socket, remoteEndpoint,
responseCpuDelayMs,
_localPeer.Configuration.RoleAsUser);
}
}
/// <summary>
/// for both coordinatorServer and userPeer
/// accepts connection, adds peer and/or stream to lists, responds with 'accepted'
/// </summary>
void ProcessReceivedHello_SetupRequestFromNewPeer(PeerHelloPacket helloPacket, IPEndPoint remoteEndpoint, SocketWithReceiver socket, PeerId localPeerIdForResponse)
{
if (_localPeer.Configuration.RoleAsCoordinator)
{
if (_connectedPeers.Count > LocalLogicConfiguration.CoordinatorPeer_MaxConnectedPeersToAccept)
{
_localPeer.SysAdminFeedbackChannel.OnReachedMaxConnectedPeersAtThisCoordinatorServer();
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_tryLater, null, socket, remoteEndpoint);
return;
}
}
else if (_localPeer.Configuration.RoleAsSharedPassive)
{
if (_connectedPeers.Count > LocalLogicConfiguration.SharedPeer_MaxConnectedPeersToAccept)
{
_localPeer.SysAdminFeedbackChannel.OnReachedMaxConnectedPeersAtThisSharedPeer();
_localPeer.WriteToLog(LogModules.Hello, $"rejecting request from {remoteEndpoint}: _connectedPeers.Count={_connectedPeers.Count} > LocalLogicConfiguration.SharedPeer_MaxConnectedPeersToAccept");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_dontTryLater, null, socket, remoteEndpoint);
return;
}
}
else if (_localPeer.Configuration.RoleAsUser)
{
if (_connectedPeers.Count > LocalLogicConfiguration.UserPeer_MaxConnectedPeersToAccept)
{
_localPeer.WriteToLog(LogModules.Hello, $"rejecting request from {remoteEndpoint}: _connectedPeers.Count={_connectedPeers.Count} > LocalLogicConfiguration.UserPeer_MaxConnectedPeersToAccept");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_dontTryLater, null, socket, remoteEndpoint);
return;
}
}
if (!_connectedPeers.TryGetValue(helloPacket.FromPeerId, out var peer))
{
peer = new ConnectedPeer(_localPeer, helloPacket.FromPeerId)
{
Type = ConnectedPeerType.fromPeerAccepted
};
lock (_connectedPeers)
_connectedPeers.Add(helloPacket.FromPeerId, peer);
}
if (peer.Streams.Count > LocalLogicConfiguration.ConnectedPeerMaxStreamsCount)
{
_localPeer.WriteToLog(LogModules.Hello, $"rejecting request from {remoteEndpoint}: peer.Streams.Count={peer.Streams.Count} > LocalLogicConfiguration.ConnectedPeerMaxStreamsCount");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.rejected_dontTryLater, null, socket, remoteEndpoint);
}
else
{
var stream = peer.TryAddStream(socket, remoteEndpoint, helloPacket.StreamId);
_localPeer.WriteToLog(LogModules.Hello, $"created new stream {stream} from new peer {peer}");
PeerHelloPacket.Respond(helloPacket, PeerHelloRequestStatus.accepted, localPeerIdForResponse, socket, remoteEndpoint, _localPeer.Configuration.RoleAsUser);
}
}
