var gProtocols: seq[ProtocolInfo] # The variables above are immutable RTTI information. We need to tell # Nim to not consider them GcSafe violations: template allProtocols*: auto = {.gcsafe.}: gProtocols proc getState*(peer: Peer, proto: ProtocolInfo): RootRef = peer.protocolStates[proto.index] template state*(peer: Peer, Protocol: type): untyped = ## Returns the state object of a particular protocol for a ## particular connection. mixin State bind getState cast[Protocol.State](getState(peer, Protocol.protocolInfo)) proc getNetworkState*(node: EthereumNode, proto: ProtocolInfo): RootRef = node.protocolStates[proto.index] template protocolState*(node: EthereumNode, Protocol: type): untyped = mixin NetworkState bind getNetworkState cast[Protocol.NetworkState](getNetworkState(node, Protocol.protocolInfo)) template networkState*(connection: Peer, Protocol: type): untyped = ## Returns the network state object of a particular protocol for a ## particular connection. protocolState(connection.network, Protocol) proc initProtocolState*[T](state: T, x: Peer|EthereumNode) {.gcsafe, raises: [Defect].} = discard proc initProtocolStates(peer: Peer, protocols: openarray[ProtocolInfo]) {.raises: [Defect].} = # Initialize all the active protocol states newSeq(peer.protocolStates, allProtocols.len) for protocol in protocols: let peerStateInit = protocol.peerStateInitializer if peerStateInit != nil: peer.protocolStates[protocol.index] = peerStateInit(peer)