gtsocial-umbx

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs | README | LICENSE

icmp_linux.go (609B)

      1 // Copyright 2013 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 package ipv6
      6 
      7 func (f *icmpv6Filter) accept(typ ICMPType) {
      8 	f.Data[typ>>5] &^= 1 << (uint32(typ) & 31)
      9 }
     10 
     11 func (f *icmpv6Filter) block(typ ICMPType) {
     12 	f.Data[typ>>5] |= 1 << (uint32(typ) & 31)
     13 }
     14 
     15 func (f *icmpv6Filter) setAll(block bool) {
     16 	for i := range f.Data {
     17 		if block {
     18 			f.Data[i] = 1<<32 - 1
     19 		} else {
     20 			f.Data[i] = 0
     21 		}
     22 	}
     23 }
     24 
     25 func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
     26 	return f.Data[typ>>5]&(1<<(uint32(typ)&31)) != 0
     27 }