consul/vendor/github.com/docker/go-connections/sockets/sockets.go

39 lines
1.0 KiB
Go

// Package sockets provides helper functions to create and configure Unix or TCP sockets.
package sockets
import (
"errors"
"net"
"net/http"
"time"
)
// Why 32? See https://github.com/docker/docker/pull/8035.
const defaultTimeout = 32 * time.Second
// ErrProtocolNotAvailable is returned when a given transport protocol is not provided by the operating system.
var ErrProtocolNotAvailable = errors.New("protocol not available")
// ConfigureTransport configures the specified Transport according to the
// specified proto and addr.
// If the proto is unix (using a unix socket to communicate) or npipe the
// compression is disabled.
func ConfigureTransport(tr *http.Transport, proto, addr string) error {
switch proto {
case "unix":
return configureUnixTransport(tr, proto, addr)
case "npipe":
return configureNpipeTransport(tr, proto, addr)
default:
tr.Proxy = http.ProxyFromEnvironment
dialer, err := DialerFromEnvironment(&net.Dialer{
Timeout: defaultTimeout,
})
if err != nil {
return err
}
tr.Dial = dialer.Dial
}
return nil
}