mirror of https://github.com/prometheus/prometheus
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
// 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
|
|
|
|
// TOS returns the type-of-service field value for outgoing packets.
|
|
func (c *genericOpt) TOS() (int, error) {
|
|
if !c.ok() {
|
|
return 0, errInvalidConn
|
|
}
|
|
so, ok := sockOpts[ssoTOS]
|
|
if !ok {
|
|
return 0, errNotImplemented
|
|
}
|
|
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 errInvalidConn
|
|
}
|
|
so, ok := sockOpts[ssoTOS]
|
|
if !ok {
|
|
return errNotImplemented
|
|
}
|
|
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, errInvalidConn
|
|
}
|
|
so, ok := sockOpts[ssoTTL]
|
|
if !ok {
|
|
return 0, errNotImplemented
|
|
}
|
|
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 errInvalidConn
|
|
}
|
|
so, ok := sockOpts[ssoTTL]
|
|
if !ok {
|
|
return errNotImplemented
|
|
}
|
|
return so.SetInt(c.Conn, ttl)
|
|
}
|