Package Socket:

- fix tcp,udp,unix socket
- add socket unixgram for session less unix socket
- optmize process & code
- add some standalone test for server / client (add example server config for
  rsyslog)

Package Network/Protocol:
- add unixgram protocol

Package Errors:
- fix bug in loop to prevent circular include

socket/interface.go

@@ -30,7 +30,6 @@ import (
 	"context"
 	"io"
 	"net"
-	"time"
 
 	libtls "github.com/nabbar/golib/certificates"
 )
@@ -84,9 +83,6 @@ type Server interface {
 	RegisterFuncInfo(f FuncInfo)
 	RegisterFuncInfoServer(f FuncInfoSrv)
 
-	SetReadTimeout(d time.Duration)
-	SetWriteTimeout(d time.Duration)
-
 	SetTLS(enable bool, config libtls.TLSConfig) error
 	Listen(ctx context.Context) error
 	Shutdown()