package portmapper import ( "net" "sync" "github.com/docker/libnetwork/portallocator" ) // PortMapper manages the network address translation type PortMapper struct { bridgeName string // udp:ip:port currentMappings map[string]*mapping lock sync.Mutex proxyPath string Allocator *portallocator.PortAllocator } // AppendForwardingTableEntry adds a port mapping to the forwarding table func (pm *PortMapper) AppendForwardingTableEntry(proto string, sourceIP net.IP, sourcePort int, containerIP string, containerPort int) error { return nil } // DeleteForwardingTableEntry removes a port mapping from the forwarding table func (pm *PortMapper) DeleteForwardingTableEntry(proto string, sourceIP net.IP, sourcePort int, containerIP string, containerPort int) error { return nil }