lif.mx raw

   1  // Copyright 2016 The Go Authors. All rights reserved.
   2  // Use of this source code is governed by a BSD-style
   3  // license that can be found in the LICENSE file.
   4  
   5  //go:build solaris
   6  
   7  // Package lif provides basic functions for the manipulation of
   8  // logical network interfaces and interface addresses on Solaris.
   9  //
  10  // The package supports Solaris 11 or above.
  11  package lif
  12  
  13  import (
  14  	"syscall"
  15  )
  16  
  17  type endpoint struct {
  18  	af int
  19  	s  uintptr
  20  }
  21  
  22  func (ep *endpoint) close() error {
  23  	return syscall.Close(int(ep.s))
  24  }
  25  
  26  func newEndpoints(af int) ([]endpoint, error) {
  27  	var lastErr error
  28  	var eps []endpoint
  29  	afs := []int{syscall.AF_INET, syscall.AF_INET6}
  30  	if af != syscall.AF_UNSPEC {
  31  		afs = []int{af}
  32  	}
  33  	for _, af := range afs {
  34  		s, err := syscall.Socket(af, syscall.SOCK_DGRAM, 0)
  35  		if err != nil {
  36  			lastErr = err
  37  			continue
  38  		}
  39  		eps = append(eps, endpoint{af: af, s: uintptr(s)})
  40  	}
  41  	if len(eps) == 0 {
  42  		return nil, lastErr
  43  	}
  44  	return eps, nil
  45  }
  46