Hulk did something

[bytom/vapor.git] / vendor / golang.org / x / net / ipv4 / genericopt.go

diff --git a/vendor/golang.org/x/net/ipv4/genericopt.go b/vendor/golang.org/x/net/ipv4/genericopt.go
new file mode 100644 (file)
index 0000000..119bf84
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/genericopt.go
@@ -0,0 +1,57 @@
+// Copyright 2012 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.
+
+package ipv4
+
+import "syscall"
+
+// TOS returns the type-of-service field value for outgoing packets.
+func (c *genericOpt) TOS() (int, error) {
+       if !c.ok() {
+               return 0, syscall.EINVAL
+       }
+       so, ok := sockOpts[ssoTOS]
+       if !ok {
+               return 0, errOpNoSupport
+       }
+       return so.GetInt(c.Conn)
+}
+
+// SetTOS sets the type-of-service field value for future outgoing
+// packets.
+func (c *genericOpt) SetTOS(tos int) error {
+       if !c.ok() {
+               return syscall.EINVAL
+       }
+       so, ok := sockOpts[ssoTOS]
+       if !ok {
+               return errOpNoSupport
+       }
+       return so.SetInt(c.Conn, tos)
+}
+
+// TTL returns the time-to-live field value for outgoing packets.
+func (c *genericOpt) TTL() (int, error) {
+       if !c.ok() {
+               return 0, syscall.EINVAL
+       }
+       so, ok := sockOpts[ssoTTL]
+       if !ok {
+               return 0, errOpNoSupport
+       }
+       return so.GetInt(c.Conn)
+}
+
+// SetTTL sets the time-to-live field value for future outgoing
+// packets.
+func (c *genericOpt) SetTTL(ttl int) error {
+       if !c.ok() {
+               return syscall.EINVAL
+       }
+       so, ok := sockOpts[ssoTTL]
+       if !ok {
+               return errOpNoSupport
+       }
+       return so.SetInt(c.Conn, ttl)
+}