NetMQ.Zyre.ZreMsg.SendPing C# (CSharp) Méthode

        public static bool SendPing(IOutgoingSocket socket, ushort sequence)
        {
            var msg = new ZreMsg
            {
                Id = MessageId.Ping,
                Ping =
                {
                    Version = 2,
                    Sequence = sequence,
                }
            };
            return msg.Send(socket);
        }

        /// <summary>
        /// We do this once a second:
        /// - if peer has gone quiet, send TCP ping and emit EVASIVE event
        /// - if peer has disappeared, expire it
        /// </summary>
        /// <param name="peer">the peer to ping</param>
        /// <returns>true if this peer should be removed</returns>
        private bool PingPeer(ZyrePeer peer)
        {
            if (!_isRunning)
            {
                // We have been stopped. We know longer can communicate to peers.
                return(true);
            }
            if (DateTime.Now >= peer.ExpiredAt)
            {
                return(true);
            }
            if (DateTime.Now >= peer.EvasiveAt)
            {
                // If peer is being evasive, force a TCP ping.
                // ZeroMQTODO: do this only once for a peer in this state;
                // it would be nicer to use a proper state machine
                // for peer management.
                _loggerDelegate?.Invoke($"Peer seems dead/slow: name={peer.Name} endpoint={peer.Endpoint}");
                ZreMsg.SendPing(_outbox, 0);

                // Inform the calling application this peer is being evasive
                _outbox.SendMoreFrame("EVASIVE");
                _outbox.SendMoreFrame(peer.Uuid.ToByteArray());
                _outbox.SendFrame(peer.Name);
            }
            return(false);
        }