public void SetClusterConfiguration(ClusterConfiguration configuration) { ClusterConfiguration = configuration; if (configuration != null) { multiplexer.Trace("Updating cluster ranges..."); multiplexer.UpdateClusterRange(configuration); multiplexer.Trace("Resolving genealogy..."); var thisNode = configuration.Nodes.FirstOrDefault(x => x.EndPoint == this.EndPoint); if (thisNode != null) { List <ServerEndPoint> slaves = null; ServerEndPoint master = null; foreach (var node in configuration.Nodes) { if (node.NodeId == thisNode.ParentNodeId) { master = multiplexer.GetServerEndPoint(node.EndPoint); } else if (node.ParentNodeId == thisNode.NodeId) { if (slaves == null) { slaves = new List <ServerEndPoint>(); } slaves.Add(multiplexer.GetServerEndPoint(node.EndPoint)); } } Master = master; Slaves = slaves?.ToArray() ?? NoSlaves; } multiplexer.Trace("Cluster configured"); } }
public void SetClusterConfiguration(ClusterConfiguration configuration) { ClusterConfiguration = configuration; if (configuration != null) { Multiplexer.Trace("Updating cluster ranges..."); Multiplexer.UpdateClusterRange(configuration); Multiplexer.Trace("Resolving genealogy..."); var thisNode = configuration.Nodes.FirstOrDefault(x => x.EndPoint.Equals(EndPoint)); if (thisNode != null) { List <ServerEndPoint> replicas = null; ServerEndPoint master = null; foreach (var node in configuration.Nodes) { if (node.NodeId == thisNode.ParentNodeId) { master = Multiplexer.GetServerEndPoint(node.EndPoint); } else if (node.ParentNodeId == thisNode.NodeId) { (replicas ?? (replicas = new List <ServerEndPoint>())).Add(Multiplexer.GetServerEndPoint(node.EndPoint)); } } Master = master; Replicas = replicas?.ToArray() ?? Array.Empty <ServerEndPoint>(); } Multiplexer.Trace("Cluster configured"); } }
public bool TryResend(int hashSlot, Message message, EndPoint endpoint, bool isMoved) { try { if (serverType == ServerType.Standalone || hashSlot < 0 || hashSlot >= RedisClusterSlotCount) { return(false); } ServerEndPoint server = multiplexer.GetServerEndPoint(endpoint); if (server != null) { bool retry = false; if ((message.Flags & CommandFlags.NoRedirect) == 0) { message.SetAsking(!isMoved); message.SetNoRedirect(); // once is enough // note that everything so far is talking about MASTER nodes; we might be // wanting a SLAVE, so we'll check ServerEndPoint resendVia = null; var command = message.Command; switch (Message.GetMasterSlaveFlags(message.Flags)) { case CommandFlags.DemandMaster: resendVia = server.IsSelectable(command) ? null : server; break; case CommandFlags.PreferMaster: resendVia = server.IsSelectable(command) ? FindSlave(server, command) : server; break; case CommandFlags.PreferSlave: resendVia = FindSlave(server, command) ?? (server.IsSelectable(command) ? null : server); break; case CommandFlags.DemandSlave: resendVia = FindSlave(server, command); break; } if (resendVia == null) { multiplexer.Trace("Unable to resend to " + endpoint); } else { message.PrepareToResend(resendVia, isMoved); retry = resendVia.TryEnqueue(message); } } if (isMoved) // update map; note we can still update the map even if we aren't actually goint to resend { var arr = MapForMutation(); var oldServer = arr[hashSlot]; arr[hashSlot] = server; if (oldServer != server) { multiplexer.OnHashSlotMoved(hashSlot, oldServer == null ? null : oldServer.EndPoint, endpoint); } } return(retry); } return(false); } catch { return(false); } }