forked from smallnest/rpcx
/
listener.go
47 lines (38 loc) ยท 1.26 KB
/
listener.go
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package server
import (
"crypto/tls"
"fmt"
"net"
)
var makeListeners = make(map[string]MakeListener)
func init() {
makeListeners["tcp"] = tcpMakeListener("tcp")
makeListeners["tcp4"] = tcpMakeListener("tcp4")
makeListeners["tcp6"] = tcpMakeListener("tcp6")
makeListeners["http"] = tcpMakeListener("tcp")
}
// RegisterMakeListener registers a MakeListener for network.
func RegisterMakeListener(network string, ml MakeListener) {
makeListeners[network] = ml
}
// MakeListener defines a listener generater.
type MakeListener func(s *Server, address string) (ln net.Listener, err error)
// block can be nil if the caller wishes to skip encryption in kcp.
// tlsConfig can be nil iff we are not using network "quic".
func (s *Server) makeListener(network, address string) (ln net.Listener, err error) {
ml := makeListeners[network]
if ml == nil {
return nil, fmt.Errorf("can not make listener for %s", network)
}
return ml(s, address)
}
func tcpMakeListener(network string) func(s *Server, address string) (ln net.Listener, err error) {
return func(s *Server, address string) (ln net.Listener, err error) {
if s.tlsConfig == nil {
ln, err = net.Listen(network, address)
} else {
ln, err = tls.Listen(network, address, s.tlsConfig)
}
return ln, err
}
}