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author | Harrison Healey <harrisonmhealey@gmail.com> | 2018-01-16 12:03:31 -0500 |
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committer | GitHub <noreply@github.com> | 2018-01-16 12:03:31 -0500 |
commit | 2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7 (patch) | |
tree | e08ff912e1924c06939f314168c3362d6f1ec0de /vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/rawconn.go | |
parent | f5c8a71698d0a7a16c68be220e49fe64bfee7f5c (diff) | |
download | chat-2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7.tar.gz chat-2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7.tar.bz2 chat-2fa7c464f019f67c5c0494aaf5ac0f5ecc1ee7a7.zip |
Updated dependencies and added avct/uasurfer (#8089)
* Updated dependencies and added avct/uasurfer
* Added uasurfer to NOTICE.txt
Diffstat (limited to 'vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/rawconn.go')
-rw-r--r-- | vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/rawconn.go | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/rawconn.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/internal/socket/rawconn.go new file mode 100644 index 000000000..d6871d55f --- /dev/null +++ b/vendor/github.com/miekg/dns/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) +} |