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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/dgramopt.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/dgramopt.go264
1 files changed, 0 insertions, 264 deletions
diff --git a/vendor/golang.org/x/net/ipv4/dgramopt.go b/vendor/golang.org/x/net/ipv4/dgramopt.go
deleted file mode 100644
index 3676449..0000000
--- a/vendor/golang.org/x/net/ipv4/dgramopt.go
+++ /dev/null
@@ -1,264 +0,0 @@
-// 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 (
- "net"
-
- "golang.org/x/net/bpf"
-)
-
-// MulticastTTL returns the time-to-live field value for outgoing
-// multicast packets.
-func (c *dgramOpt) MulticastTTL() (int, error) {
- if !c.ok() {
- return 0, errInvalidConn
- }
- so, ok := sockOpts[ssoMulticastTTL]
- if !ok {
- return 0, errOpNoSupport
- }
- return so.GetInt(c.Conn)
-}
-
-// SetMulticastTTL sets the time-to-live field value for future
-// outgoing multicast packets.
-func (c *dgramOpt) SetMulticastTTL(ttl int) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoMulticastTTL]
- if !ok {
- return errOpNoSupport
- }
- return so.SetInt(c.Conn, ttl)
-}
-
-// MulticastInterface returns the default interface for multicast
-// packet transmissions.
-func (c *dgramOpt) MulticastInterface() (*net.Interface, error) {
- if !c.ok() {
- return nil, errInvalidConn
- }
- so, ok := sockOpts[ssoMulticastInterface]
- if !ok {
- return nil, errOpNoSupport
- }
- return so.getMulticastInterface(c.Conn)
-}
-
-// SetMulticastInterface sets the default interface for future
-// multicast packet transmissions.
-func (c *dgramOpt) SetMulticastInterface(ifi *net.Interface) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoMulticastInterface]
- if !ok {
- return errOpNoSupport
- }
- return so.setMulticastInterface(c.Conn, ifi)
-}
-
-// MulticastLoopback reports whether transmitted multicast packets
-// should be copied and send back to the originator.
-func (c *dgramOpt) MulticastLoopback() (bool, error) {
- if !c.ok() {
- return false, errInvalidConn
- }
- so, ok := sockOpts[ssoMulticastLoopback]
- if !ok {
- return false, errOpNoSupport
- }
- on, err := so.GetInt(c.Conn)
- if err != nil {
- return false, err
- }
- return on == 1, nil
-}
-
-// SetMulticastLoopback sets whether transmitted multicast packets
-// should be copied and send back to the originator.
-func (c *dgramOpt) SetMulticastLoopback(on bool) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoMulticastLoopback]
- if !ok {
- return errOpNoSupport
- }
- return so.SetInt(c.Conn, boolint(on))
-}
-
-// JoinGroup joins the group address group on the interface ifi.
-// By default all sources that can cast data to group are accepted.
-// It's possible to mute and unmute data transmission from a specific
-// source by using ExcludeSourceSpecificGroup and
-// IncludeSourceSpecificGroup.
-// JoinGroup uses the system assigned multicast interface when ifi is
-// nil, although this is not recommended because the assignment
-// depends on platforms and sometimes it might require routing
-// configuration.
-func (c *dgramOpt) JoinGroup(ifi *net.Interface, group net.Addr) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoJoinGroup]
- if !ok {
- return errOpNoSupport
- }
- grp := netAddrToIP4(group)
- if grp == nil {
- return errMissingAddress
- }
- return so.setGroup(c.Conn, ifi, grp)
-}
-
-// LeaveGroup leaves the group address group on the interface ifi
-// regardless of whether the group is any-source group or
-// source-specific group.
-func (c *dgramOpt) LeaveGroup(ifi *net.Interface, group net.Addr) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoLeaveGroup]
- if !ok {
- return errOpNoSupport
- }
- grp := netAddrToIP4(group)
- if grp == nil {
- return errMissingAddress
- }
- return so.setGroup(c.Conn, ifi, grp)
-}
-
-// JoinSourceSpecificGroup joins the source-specific group comprising
-// group and source on the interface ifi.
-// JoinSourceSpecificGroup uses the system assigned multicast
-// interface when ifi is nil, although this is not recommended because
-// the assignment depends on platforms and sometimes it might require
-// routing configuration.
-func (c *dgramOpt) JoinSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoJoinSourceGroup]
- if !ok {
- return errOpNoSupport
- }
- grp := netAddrToIP4(group)
- if grp == nil {
- return errMissingAddress
- }
- src := netAddrToIP4(source)
- if src == nil {
- return errMissingAddress
- }
- return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// LeaveSourceSpecificGroup leaves the source-specific group on the
-// interface ifi.
-func (c *dgramOpt) LeaveSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoLeaveSourceGroup]
- if !ok {
- return errOpNoSupport
- }
- grp := netAddrToIP4(group)
- if grp == nil {
- return errMissingAddress
- }
- src := netAddrToIP4(source)
- if src == nil {
- return errMissingAddress
- }
- return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// ExcludeSourceSpecificGroup excludes the source-specific group from
-// the already joined any-source groups by JoinGroup on the interface
-// ifi.
-func (c *dgramOpt) ExcludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoBlockSourceGroup]
- if !ok {
- return errOpNoSupport
- }
- grp := netAddrToIP4(group)
- if grp == nil {
- return errMissingAddress
- }
- src := netAddrToIP4(source)
- if src == nil {
- return errMissingAddress
- }
- return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// IncludeSourceSpecificGroup includes the excluded source-specific
-// group by ExcludeSourceSpecificGroup again on the interface ifi.
-func (c *dgramOpt) IncludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoUnblockSourceGroup]
- if !ok {
- return errOpNoSupport
- }
- grp := netAddrToIP4(group)
- if grp == nil {
- return errMissingAddress
- }
- src := netAddrToIP4(source)
- if src == nil {
- return errMissingAddress
- }
- return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// ICMPFilter returns an ICMP filter.
-// Currently only Linux supports this.
-func (c *dgramOpt) ICMPFilter() (*ICMPFilter, error) {
- if !c.ok() {
- return nil, errInvalidConn
- }
- so, ok := sockOpts[ssoICMPFilter]
- if !ok {
- return nil, errOpNoSupport
- }
- return so.getICMPFilter(c.Conn)
-}
-
-// SetICMPFilter deploys the ICMP filter.
-// Currently only Linux supports this.
-func (c *dgramOpt) SetICMPFilter(f *ICMPFilter) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoICMPFilter]
- if !ok {
- return errOpNoSupport
- }
- return so.setICMPFilter(c.Conn, f)
-}
-
-// SetBPF attaches a BPF program to the connection.
-//
-// Only supported on Linux.
-func (c *dgramOpt) SetBPF(filter []bpf.RawInstruction) error {
- if !c.ok() {
- return errInvalidConn
- }
- so, ok := sockOpts[ssoAttachFilter]
- if !ok {
- return errOpNoSupport
- }
- return so.setBPF(c.Conn, filter)
-}