1 files changed, 0 insertions, 45 deletions
diff --git a/io/sockopt.go b/io/sockopt.go
deleted file mode 100644
index 3393a375..00000000
--- a/io/sockopt.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package io
-
-import (
-	"net"
-	"syscall"
-	"unsafe"
-)
-
-const (
-	TCP_MD5SIG = 14
-)
-
-type tcpmd5sig struct {
-	ss_family uint16
-	ss        [126]byte
-	pad1      uint16
-	keylen    uint16
-	pad2      uint32
-	key       [80]byte
-}
-
-func buildTcpMD5Sig(address string, key string) (tcpmd5sig, error) {
-	t := tcpmd5sig{}
-	addr := net.ParseIP(address)
-	if addr.To4() != nil {
-		t.ss_family = syscall.AF_INET
-		copy(t.ss[2:], addr.To4())
-	} else {
-		t.ss_family = syscall.AF_INET6
-		copy(t.ss[6:], addr.To16())
-	}
-
-	t.keylen = uint16(len(key))
-	copy(t.key[0:], []byte(key))
-
-	return t, nil
-}
-
-func SetTcpMD5SigSockopts(fd int, address string, key string) error {
-	t, _ := buildTcpMD5Sig(address, key)
-	_, _, e := syscall.Syscall6(syscall.SYS_SETSOCKOPT, uintptr(fd),
-		uintptr(syscall.IPPROTO_TCP), uintptr(TCP_MD5SIG),
-		uintptr(unsafe.Pointer(&t)), unsafe.Sizeof(t), 0)
-	return e
-}