package client
 

 import (

 	"path"
 

 	"github.com/docker/docker/api/types"
 	"golang.org/x/net/context"
 )
 

 // Ping pings the server and returns the value of the "Docker-Experimental", "OS-Type" & "API-Version" headers

 func (cli *Client) Ping(ctx context.Context) (types.Ping, error) {
 	var ping types.Ping

 	req, err := cli.buildRequest("GET", path.Join(cli.basePath, "/_ping"), nil, nil)

 	if err != nil {
 		return ping, err
 	}
 	serverResp, err := cli.doRequest(ctx, req)

 	if err != nil {

 		return ping, err

 	}
 	defer ensureReaderClosed(serverResp)
 

 	if serverResp.header != nil {
 		ping.APIVersion = serverResp.header.Get("API-Version")

 		if serverResp.header.Get("Docker-Experimental") == "true" {
 			ping.Experimental = true
 		}
 		ping.OSType = serverResp.header.Get("OSType")

 	}

 	return ping, cli.checkResponseErr(serverResp)

 }