func SetupHttpListener(host *types.Host_t, port *int) *net.TCPListener {
if types.Port_t(*port) == host.Port {
host.HttpPort = types.Port_t(*port)
return nil
}
listener := netutils.GetInetTCPListener(false, port)
if listener == nil {
return nil
}
addr, err := net.ResolveTCPAddr("tcp4", listener.Addr().String())
if err != nil {
return nil
}
host.HttpPort = types.Port_t(addr.Port)
return listener
}
func (n *Node_t) Register(h *types.Host_t, reply *types.Host_t) error {
nodemap := *n.Nodemap
fmt.Print("Register request: '" + h.String() + "'\t... ")
if nodemap == nil {
panic(nil)
}
_, ok := nodemap[h.ID]
if ok {
fmt.Println("Got register request from someone I already know")
return errors.New("P O")
}
n.getJoinHost(h, reply)
n.addNode(h)
fmt.Print("Telling new host to join on\t'" + reply.String() + "' ... ")
fmt.Println("OK")
return nil
}
func New(addr string, port string) (*types.Host_t, error) {
h := new(types.Host_t)
tcpaddr, err := net.ResolveTCPAddr("tcp4", addr+":"+port)
if err != nil {
return nil, err
}
h.IP = types.IP_t(tcpaddr.IP.String())
h.Port = types.Port_t(tcpaddr.Port)
h.ID = h.Hash()
return h, nil
}