diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go')
-rw-r--r-- | vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go new file mode 100644 index 000000000..3c42ea7ad --- /dev/null +++ b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go @@ -0,0 +1,42 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build linux netbsd + +package socket + +import "net" + +type mmsghdrs []mmsghdr + +func (hs mmsghdrs) pack(ms []Message, parseFn func([]byte, string) (net.Addr, error), marshalFn func(net.Addr) []byte) error { + for i := range hs { + vs := make([]iovec, len(ms[i].Buffers)) + var sa []byte + if parseFn != nil { + sa = make([]byte, sizeofSockaddrInet6) + } + if marshalFn != nil { + sa = marshalFn(ms[i].Addr) + } + hs[i].Hdr.pack(vs, ms[i].Buffers, ms[i].OOB, sa) + } + return nil +} + +func (hs mmsghdrs) unpack(ms []Message, parseFn func([]byte, string) (net.Addr, error), hint string) error { + for i := range hs { + ms[i].N = int(hs[i].Len) + ms[i].NN = hs[i].Hdr.controllen() + ms[i].Flags = hs[i].Hdr.flags() + if parseFn != nil { + var err error + ms[i].Addr, err = parseFn(hs[i].Hdr.name(), hint) + if err != nil { + return err + } + } + } + return nil +} |