43 lines
1019 B
Go
43 lines
1019 B
Go
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build linux netbsd
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package socket
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import "net"
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type mmsghdrs []mmsghdr
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func (hs mmsghdrs) pack(ms []Message, parseFn func([]byte, string) (net.Addr, error), marshalFn func(net.Addr) []byte) error {
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for i := range hs {
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vs := make([]iovec, len(ms[i].Buffers))
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var sa []byte
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if parseFn != nil {
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sa = make([]byte, sizeofSockaddrInet6)
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}
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if marshalFn != nil {
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sa = marshalFn(ms[i].Addr)
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}
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hs[i].Hdr.pack(vs, ms[i].Buffers, ms[i].OOB, sa)
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}
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return nil
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}
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func (hs mmsghdrs) unpack(ms []Message, parseFn func([]byte, string) (net.Addr, error), hint string) error {
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for i := range hs {
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ms[i].N = int(hs[i].Len)
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ms[i].NN = hs[i].Hdr.controllen()
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ms[i].Flags = hs[i].Hdr.flags()
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if parseFn != nil {
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var err error
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ms[i].Addr, err = parseFn(hs[i].Hdr.name(), hint)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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