@media only all and (prefers-color-scheme: dark) {
.highlight .hll { background-color: #49483e }
.highlight .c { color: #75715e } /* Comment */
.highlight .err { color: #960050; background-color: #1e0010 } /* Error */
.highlight .k { color: #66d9ef } /* Keyword */
.highlight .l { color: #ae81ff } /* Literal */
.highlight .n { color: #f8f8f2 } /* Name */
.highlight .o { color: #f92672 } /* Operator */
.highlight .p { color: #f8f8f2 } /* Punctuation */
.highlight .ch { color: #75715e } /* Comment.Hashbang */
.highlight .cm { color: #75715e } /* Comment.Multiline */
.highlight .cp { color: #75715e } /* Comment.Preproc */
.highlight .cpf { color: #75715e } /* Comment.PreprocFile */
.highlight .c1 { color: #75715e } /* Comment.Single */
.highlight .cs { color: #75715e } /* Comment.Special */
.highlight .gd { color: #f92672 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gi { color: #a6e22e } /* Generic.Inserted */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #75715e } /* Generic.Subheading */
.highlight .kc { color: #66d9ef } /* Keyword.Constant */
.highlight .kd { color: #66d9ef } /* Keyword.Declaration */
.highlight .kn { color: #f92672 } /* Keyword.Namespace */
.highlight .kp { color: #66d9ef } /* Keyword.Pseudo */
.highlight .kr { color: #66d9ef } /* Keyword.Reserved */
.highlight .kt { color: #66d9ef } /* Keyword.Type */
.highlight .ld { color: #e6db74 } /* Literal.Date */
.highlight .m { color: #ae81ff } /* Literal.Number */
.highlight .s { color: #e6db74 } /* Literal.String */
.highlight .na { color: #a6e22e } /* Name.Attribute */
.highlight .nb { color: #f8f8f2 } /* Name.Builtin */
.highlight .nc { color: #a6e22e } /* Name.Class */
.highlight .no { color: #66d9ef } /* Name.Constant */
.highlight .nd { color: #a6e22e } /* Name.Decorator */
.highlight .ni { color: #f8f8f2 } /* Name.Entity */
.highlight .ne { color: #a6e22e } /* Name.Exception */
.highlight .nf { color: #a6e22e } /* Name.Function */
.highlight .nl { color: #f8f8f2 } /* Name.Label */
.highlight .nn { color: #f8f8f2 } /* Name.Namespace */
.highlight .nx { color: #a6e22e } /* Name.Other */
.highlight .py { color: #f8f8f2 } /* Name.Property */
.highlight .nt { color: #f92672 } /* Name.Tag */
.highlight .nv { color: #f8f8f2 } /* Name.Variable */
.highlight .ow { color: #f92672 } /* Operator.Word */
.highlight .w { color: #f8f8f2 } /* Text.Whitespace */
.highlight .mb { color: #ae81ff } /* Literal.Number.Bin */
.highlight .mf { color: #ae81ff } /* Literal.Number.Float */
.highlight .mh { color: #ae81ff } /* Literal.Number.Hex */
.highlight .mi { color: #ae81ff } /* Literal.Number.Integer */
.highlight .mo { color: #ae81ff } /* Literal.Number.Oct */
.highlight .sa { color: #e6db74 } /* Literal.String.Affix */
.highlight .sb { color: #e6db74 } /* Literal.String.Backtick */
.highlight .sc { color: #e6db74 } /* Literal.String.Char */
.highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */
.highlight .sd { color: #e6db74 } /* Literal.String.Doc */
.highlight .s2 { color: #e6db74 } /* Literal.String.Double */
.highlight .se { color: #ae81ff } /* Literal.String.Escape */
.highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */
.highlight .si { color: #e6db74 } /* Literal.String.Interpol */
.highlight .sx { color: #e6db74 } /* Literal.String.Other */
.highlight .sr { color: #e6db74 } /* Literal.String.Regex */
.highlight .s1 { color: #e6db74 } /* Literal.String.Single */
.highlight .ss { color: #e6db74 } /* Literal.String.Symbol */
.highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #a6e22e } /* Name.Function.Magic */
.highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */
.highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */
.highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */
.highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */
.highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */
}
@media (prefers-color-scheme: light) {
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weig
/*
 * Copyright (C) 2017-2018 "IoT.bzh"
 * Author Clément Bénier <clement.benier@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package xdsservertest

import (
	"fmt"
	"io"
	"log"
	"os"
	"os/exec"
	"sync"
	"testing"
	"time"

	common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git/golib"
	"gerrit.automotivelinux.org/gerrit/src/xds/xds-server/lib/xsapiv1"
	socketio_client "github.com/sebd71/go-socket.io-client"
)

// IOSockClient
type IOSockClient struct {
	URL       string
	Conn      *socketio_client.Client
	Options   *socketio_client.Options
	EmitMutex *sync.Mutex
	Connected bool
	//ServerDiscoChan chan Disconnection
	EscapeKeys []byte
}

//global client
var HTTPCli *common.HTTPClient
var logDir string
var sCli *IOSockClient

// Debug function used to print debug logs
func Debug(t *testing.T, args ...interface{}) {
	if os.Getenv("VERBOSE") != "" {
		t.Log(args...)
	}
}

// Debugf function used to print debug logs
func Debugf(t *testing.T, format string, args ...interface{}) {
	if os.Getenv("VERBOSE") != "" {
		t.Logf(format, args...)
	}
}

// Copy copies from src to dst until either EOF
func Copy(src, dst string) error {
	in, err := os.Open(src)
	if err != nil {
		return err
	}
	defer in.Close()

	out, err := os.Create(dst)
	if err != nil {
		return err
	}
	defer out.Close()

	_, err = io.Copy(out, in)
	if err != nil {
		return err
	}
	return out.Close()
}

func initEnv(launchProcess bool) {
	if launchProcess {
		/*kill xds-server if needed*/
		cmd := exec.Command("killall", "-9", "xds-server")
		if err := cmd.Start(); err != nil {
			log.Fatal(err)
		}
		cmd.Wait()
	}
	/*set environment variable*/
	rootTestLog := "/tmp/xds-server-test"
	if err := os.Setenv(envRootCfgDir, rootTestLog); err != nil {
		log.Fatal(err)
	}
	sdkDir := rootTestLog + "/sdks/"
	if err := os.Setenv(envXdtSdk, sdkDir); err != nil {
		log.Fatal(err)
	}
	if err := os.Setenv(envXdsServerWorkspaceDir, rootTestLog); err != nil {
		log.Fatal(err)
	}
	if err := os.Setenv(envXdsServerRootCfgDir, rootTestLog); err != nil {
		log.Fatal(err)
	}
	if err := os.Setenv("XDS_LOG_SILLY", "1"); err != nil {
		log.Fatal(err)
	}
	/*remove and recreate working directories*/
	os.RemoveAll(rootTestLog)
	os.MkdirAll(rootTestLog, 0755)
	logDir = rootTestLog + "/logs/"
	os.MkdirAll(logDir, 0755)
}

/*prepare xds-server process*/
func launchXdsServer(proc **os.Process) *os.File {
	logFile := logDir + logFileXdsServer
	file, err := os.OpenFile(logFile, os.O_CREATE|os.O_WRONLY, 0644)
	if err != nil {
		log.Fatal(err)
	}
	tmpProc, err := os.StartProcess(argsProcess[0], argsProcess, &os.ProcAttr{
		Files: []*os.File{os.Stdin, file, file},
	})
	if err != nil {
		log.Fatal(err)
	}
	*proc = tmpProc
	return file
}

func getHTTPClient(lvl int) (*common.HTTPClient, *os.File) {
	logFile := logDir + logFileClient
	file, err := os.OpenFile(logFile, os.O_CREATE|os.O_WRONLY, 0644)
	if err != nil {
		log.Fatal(err)
	}
	conf := common.HTTPClientConfig{
		URLPrefix:           "/api/v1",
		HeaderClientKeyName: "Xds-Sid",
		CsrfDisable:         true,
		LogOut:              file,
		LogPrefix:           "XDSSERVERTEST: ",
		LogLevel:            lvl,
	}
	HTTPcli, err := common.HTTPNewClient(prefixURL, conf)
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("HTTP session ID : %v", HTTPcli.GetClientID())
	var ver xsapiv1.Version
	err = HTTPcli.Get("/version", &ver)
	if err != nil {
		log.Fatal(err)
	}
	return HTTPcli, file
}

func NewIoSocketClient(url, clientID string) (*IOSockClient, error) {
	var err error

	sCli := &IOSockClient{
		URL:       url,
		EmitMutex: &sync.Mutex{},
		Options: &socketio_client.Options{
			Transport: "websocket",
			Header:    make(map[string][]string),
		},
	}
	sCli.Options.Header["XDS-SID"] = []string{clientID}

	sCli.Conn, err = socketio_client.NewClient(url, sCli.Options)
	if err != nil {
		return nil, fmt.Errorf("IO.socket connection error: " + err.Error())
	}

	sCli.Conn.On("connection", func() {
		sCli.Connected = true
	})

	sCli.Conn.On("disconnection", func(err error) {
		if err != nil {
			log.Printf("WS disconnection event with err: %v\n", err)
		}
		sCli.Connected = false
	})

	log.Printf("Connect websocket with url=%v clientId=%v\n", prefixURL, HTTPCli.GetClientID())
	return sCli, nil
}
func TestMain(m *testing.M) {
	/* useful for debugging, preventing from launching xds-server
	 * it can be launch separately */
	launchProcess := true
	log.Printf("TestMain: launchProcess is %v, so launching xds-server", launchProcess)
	initEnv(launchProcess)

	var proc *os.Process
	var fileXdsServer *os.File
	if launchProcess {
		fileXdsServer = launchXdsServer(&proc)
		go func(p *os.Process) {
			log.Print("xds-server is launching")
			if status, err := p.Wait(); err != nil {
				log.Fatalf("status=%v\n err=%v\n", status, err)
			}
		}(proc)
		defer fileXdsServer.Close()
	}
	time.Sleep(1 * time.Second)

	lvl := common.HTTPLogLevelDebug
	var fileHTTPClient *os.File
	HTTPCli, fileHTTPClient = getHTTPClient(lvl)
	defer fileHTTPClient.Close()
	var err error
	sCli, err = NewIoSocketClient(prefixURL, HTTPCli.GetClientID())
	if err != nil {
		log.Fatal(err)
	}

	if HTTPCli == nil {
		log.Fatal("HTTPCLi is nil")
	}
	res := m.Run()
	defer os.Exit(res)
	proc.Kill()
}