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Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/go.net/ipv6/control.go')
| -rw-r--r-- | Godeps/_workspace/src/code.google.com/p/go.net/ipv6/control.go | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/control.go b/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/control.go deleted file mode 100644 index e2101903bf..0000000000 --- a/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/control.go +++ /dev/null @@ -1,83 +0,0 @@ -// Copyright 2013 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 ipv6 - -import ( - "errors" - "fmt" - "net" - "sync" -) - -var ( - errMissingAddress = errors.New("missing address") - errInvalidConnType = errors.New("invalid conn type") - errNoSuchInterface = errors.New("no such interface") -) - -// References: -// -// RFC 2292 Advanced Sockets API for IPv6 -// http://tools.ietf.org/html/rfc2292 -// RFC 2460 Internet Protocol, Version 6 (IPv6) Specification -// http://tools.ietf.org/html/rfc2460 -// RFC 3493 Basic Socket Interface Extensions for IPv6 -// http://tools.ietf.org/html/rfc3493.html -// RFC 3542 Advanced Sockets Application Program Interface (API) for IPv6 -// http://tools.ietf.org/html/rfc3542 -// -// Note that RFC 3542 obsoltes RFC 2292 but OS X Snow Leopard and the -// former still support RFC 2292 only. Please be aware that almost -// all protocol implementations prohibit using a combination of RFC -// 2292 and RFC 3542 for some practical reasons. - -type rawOpt struct { - sync.Mutex - cflags ControlFlags -} - -func (c *rawOpt) set(f ControlFlags) { c.cflags |= f } -func (c *rawOpt) clear(f ControlFlags) { c.cflags &^= f } -func (c *rawOpt) isset(f ControlFlags) bool { return c.cflags&f != 0 } - -// A ControlFlags reprensents per packet basis IP-level socket option -// control flags. -type ControlFlags uint - -const ( - FlagTrafficClass ControlFlags = 1 << iota // pass the traffic class on the received packet - FlagHopLimit // pass the hop limit on the received packet - FlagSrc // pass the source address on the received packet - FlagDst // pass the destination address on the received packet - FlagInterface // pass the interface index on the received packet - FlagPathMTU // pass the path MTU on the received packet path -) - -// A ControlMessage represents per packet basis IP-level socket -// options. -type ControlMessage struct { - // Receiving socket options: SetControlMessage allows to - // receive the options from the protocol stack using ReadFrom - // method of PacketConn. - // - // Specifying socket options: ControlMessage for WriteTo - // method of PacketConn allows to send the options to the - // protocol stack. - // - TrafficClass int // traffic class, must be 1 <= value <= 255 when specifying - HopLimit int // hop limit, must be 1 <= value <= 255 when specifying - Src net.IP // source address, specifying only - Dst net.IP // destination address, receiving only - IfIndex int // interface index, must be 1 <= value when specifying - NextHop net.IP // next hop address, specifying only - MTU int // path MTU, receiving only -} - -func (cm *ControlMessage) String() string { - if cm == nil { - return "<nil>" - } - return fmt.Sprintf("tclass: %#x, hoplim: %v, src: %v, dst: %v, ifindex: %v, nexthop: %v, mtu: %v", cm.TrafficClass, cm.HopLimit, cm.Src, cm.Dst, cm.IfIndex, cm.NextHop, cm.MTU) -} |