bf51655a7b
Signed-off-by: Jacek J. Łakis <jacek.lakis@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
64 lines
2 KiB
Go
64 lines
2 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
|
|
// Use of this source code is governed by the Apache 2.0
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build !appengine
|
|
|
|
package socket
|
|
|
|
import (
|
|
"net"
|
|
"time"
|
|
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
// Dial connects to the address addr on the network protocol.
|
|
// The address format is host:port, where host may be a hostname or an IP address.
|
|
// Known protocols are "tcp" and "udp".
|
|
// The returned connection satisfies net.Conn, and is valid while ctx is valid;
|
|
// if the connection is to be used after ctx becomes invalid, invoke SetContext
|
|
// with the new context.
|
|
func Dial(ctx context.Context, protocol, addr string) (*Conn, error) {
|
|
conn, err := net.Dial(protocol, addr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Conn{conn}, nil
|
|
}
|
|
|
|
// DialTimeout is like Dial but takes a timeout.
|
|
// The timeout includes name resolution, if required.
|
|
func DialTimeout(ctx context.Context, protocol, addr string, timeout time.Duration) (*Conn, error) {
|
|
conn, err := net.DialTimeout(protocol, addr, timeout)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Conn{conn}, nil
|
|
}
|
|
|
|
// LookupIP returns the given host's IP addresses.
|
|
func LookupIP(ctx context.Context, host string) (addrs []net.IP, err error) {
|
|
return net.LookupIP(host)
|
|
}
|
|
|
|
// Conn represents a socket connection.
|
|
// It implements net.Conn.
|
|
type Conn struct {
|
|
net.Conn
|
|
}
|
|
|
|
// SetContext sets the context that is used by this Conn.
|
|
// It is usually used only when using a Conn that was created in a different context,
|
|
// such as when a connection is created during a warmup request but used while
|
|
// servicing a user request.
|
|
func (cn *Conn) SetContext(ctx context.Context) {
|
|
// This function is not required in App Engine "flexible environment".
|
|
}
|
|
|
|
// KeepAlive signals that the connection is still in use.
|
|
// It may be called to prevent the socket being closed due to inactivity.
|
|
func (cn *Conn) KeepAlive() error {
|
|
// This function is not required in App Engine "flexible environment".
|
|
return nil
|
|
}
|