Hulk did something

[bytom/vapor.git] / vendor / golang.org / x / net / internal / socket / mmsghdr_unix.go

diff --git a/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go b/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go
new file mode 100644 (file)
index 0000000..3c42ea7
--- /dev/null
+++ b/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
+}