mirror of
https://github.com/mainflux/mainflux.git
synced 2025-05-04 22:17:59 +08:00
481b5b230d
All validation has been moved to the API resources layer, i.e. the domain objects provide validation method, but the service itself assumes no corrupted values are passed to it. Signed-off-by: Dejan Mijic <dejan@mainflux.com>
67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
// 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)
|
|
}
|