diff options
author | Frédéric Guillot <fred@miniflux.net> | 2017-11-19 21:10:04 -0800 |
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committer | Frédéric Guillot <fred@miniflux.net> | 2017-11-19 22:01:46 -0800 |
commit | 8ffb773f43c8dc54801ca1d111854e7e881c93c9 (patch) | |
tree | 38133a2fc612597a75fed1d13e5b4042f58a2b7e /vendor/golang.org/x/net/internal/socket/rawconn.go |
First commit
Diffstat (limited to 'vendor/golang.org/x/net/internal/socket/rawconn.go')
-rw-r--r-- | vendor/golang.org/x/net/internal/socket/rawconn.go | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn.go b/vendor/golang.org/x/net/internal/socket/rawconn.go new file mode 100644 index 0000000..d6871d5 --- /dev/null +++ b/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) +} |