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Diffstat (limited to 'vendor/golang.org/x/net/internal/socket/rawconn.go')
-rw-r--r--vendor/golang.org/x/net/internal/socket/rawconn.go66
1 files changed, 66 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn.go b/vendor/golang.org/x/net/internal/socket/rawconn.go
new file mode 100644
index 0000000..d6871d5
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/rawconn.go
@@ -0,0 +1,66 @@
+// 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 go1.9
+
+package socket
+
+import (
+ "errors"
+ "net"
+ "os"
+ "syscall"
+)
+
+// A Conn represents a raw connection.
+type Conn struct {
+ network string
+ c syscall.RawConn
+}
+
+// NewConn returns a new raw connection.
+func NewConn(c net.Conn) (*Conn, error) {
+ var err error
+ var cc Conn
+ switch c := c.(type) {
+ case *net.TCPConn:
+ cc.network = "tcp"
+ cc.c, err = c.SyscallConn()
+ case *net.UDPConn:
+ cc.network = "udp"
+ cc.c, err = c.SyscallConn()
+ case *net.IPConn:
+ cc.network = "ip"
+ cc.c, err = c.SyscallConn()
+ default:
+ return nil, errors.New("unknown connection type")
+ }
+ if err != nil {
+ return nil, err
+ }
+ return &cc, nil
+}
+
+func (o *Option) get(c *Conn, b []byte) (int, error) {
+ var operr error
+ var n int
+ fn := func(s uintptr) {
+ n, operr = getsockopt(s, o.Level, o.Name, b)
+ }
+ if err := c.c.Control(fn); err != nil {
+ return 0, err
+ }
+ return n, os.NewSyscallError("getsockopt", operr)
+}
+
+func (o *Option) set(c *Conn, b []byte) error {
+ var operr error
+ fn := func(s uintptr) {
+ operr = setsockopt(s, o.Level, o.Name, b)
+ }
+ if err := c.c.Control(fn); err != nil {
+ return err
+ }
+ return os.NewSyscallError("setsockopt", operr)
+}