+// Install a SDK (non blocking command, IOW run in background)
+func (s *CrossSDK) Install(file string, force bool, timeout int, sess *ClientSession) error {
+
+ if s.sdk.Status == xsapiv1.SdkStatusInstalled {
+ return fmt.Errorf("already installed")
+ }
+ if s.sdk.Status == xsapiv1.SdkStatusInstalling {
+ return fmt.Errorf("installation in progress")
+ }
+
+ // Compute command args
+ cmdArgs := []string{}
+ if file != "" {
+ cmdArgs = append(cmdArgs, "--file", file)
+ } else {
+ cmdArgs = append(cmdArgs, "--url", s.sdk.URL)
+ }
+ if force {
+ cmdArgs = append(cmdArgs, "--force")
+ }
+
+ // Unique command id
+ sdkCmdID++
+ cmdID := "sdk-install-" + strconv.Itoa(sdkCmdID)
+
+ // Create new instance to execute command and sent output over WS
+ s.installCmd = eows.New(s.scripts[scriptAdd], cmdArgs, sess.IOSocket, sess.ID, cmdID)
+ s.installCmd.Log = s.Log
+ if timeout > 0 {
+ s.installCmd.CmdExecTimeout = timeout
+ } else {
+ s.installCmd.CmdExecTimeout = 30 * 60 // default 30min
+ }
+
+ // FIXME: temporary hack
+ s.bufStdout = ""
+ s.bufStderr = ""
+ SizeBufStdout := 10
+ SizeBufStderr := 2000
+ if valS, ok := os.LookupEnv("XDS_SDK_BUF_STDOUT"); ok {
+ if valI, err := strconv.Atoi(valS); err == nil {
+ SizeBufStdout = valI
+ }
+ }
+ if valS, ok := os.LookupEnv("XDS_SDK_BUF_STDERR"); ok {
+ if valI, err := strconv.Atoi(valS); err == nil {
+ SizeBufStderr = valI
+ }
+ }
+
+ // Define callback for output (stdout+stderr)
+ s.installCmd.OutputCB = func(e *eows.ExecOverWS, stdout, stderr string) {
+ // paranoia
+ data := e.UserData
+ sdkID := (*data)["SDKID"].(string)
+ if sdkID != s.sdk.ID {
+ s.Log.Errorln("BUG: sdk ID differs: %v != %v", sdkID, s.sdk.ID)
+ }
+
+ // IO socket can be nil when disconnected
+ so := s.sessions.IOSocketGet(e.Sid)
+ if so == nil {
+ s.Log.Infof("%s not emitted: WS closed (sid:%s, msgid:%s)", xsapiv1.EVTSDKInstall, e.Sid, e.CmdID)
+ return
+ }
+
+ if s.LogLevelSilly {
+ s.Log.Debugf("%s emitted - WS sid[4:] %s - id:%s - SDK ID:%s:", xsapiv1.EVTSDKInstall, e.Sid[4:], e.CmdID, sdkID[:16])
+ if stdout != "" {
+ s.Log.Debugf("STDOUT <<%v>>", strings.Replace(stdout, "\n", "\\n", -1))
+ }
+ if stderr != "" {
+ s.Log.Debugf("STDERR <<%v>>", strings.Replace(stderr, "\n", "\\n", -1))
+ }
+ }
+
+ // Temporary "Hack": Buffered sent data to avoid freeze in web Browser
+ // FIXME: remove bufStdout & bufStderr and implement better algorithm
+ s.bufStdout += stdout
+ s.bufStderr += stderr
+ if len(s.bufStdout) > SizeBufStdout || len(s.bufStderr) > SizeBufStderr {
+ // Emit event
+ err := (*so).Emit(xsapiv1.EVTSDKInstall, xsapiv1.SDKManagementMsg{
+ CmdID: e.CmdID,
+ Timestamp: time.Now().String(),
+ Sdk: s.sdk,
+ Progress: 0, // TODO add progress
+ Exited: false,
+ Stdout: s.bufStdout,
+ Stderr: s.bufStderr,
+ })
+ if err != nil {
+ s.Log.Errorf("WS Emit : %v", err)
+ }
+ s.bufStdout = ""
+ s.bufStderr = ""
+ }
+ }
+
+ // Define callback for output
+ s.installCmd.ExitCB = func(e *eows.ExecOverWS, code int, exitError error) {
+ // paranoia
+ data := e.UserData
+ sdkID := (*data)["SDKID"].(string)
+ if sdkID != s.sdk.ID {
+ s.Log.Errorln("BUG: sdk ID differs: %v != %v", sdkID, s.sdk.ID)
+ }
+
+ s.Log.Debugf("Command SDK ID %s [Cmd ID %s] exited: code %d, exitError: %v", sdkID[:16], e.CmdID, code, exitError)
+
+ // IO socket can be nil when disconnected
+ so := s.sessions.IOSocketGet(e.Sid)
+ if so == nil {
+ s.Log.Infof("%s (exit) not emitted - WS closed (id:%s)", xsapiv1.EVTSDKInstall, e.CmdID)
+ return
+ }
+
+ // Emit event remaining data in bufStdout/err
+ if len(s.bufStderr) > 0 || len(s.bufStdout) > 0 {
+ err := (*so).Emit(xsapiv1.EVTSDKInstall, xsapiv1.SDKManagementMsg{
+ CmdID: e.CmdID,
+ Timestamp: time.Now().String(),
+ Sdk: s.sdk,
+ Progress: 50, // TODO add progress
+ Exited: false,
+ Stdout: s.bufStdout,
+ Stderr: s.bufStderr,
+ })
+ if err != nil {
+ s.Log.Errorf("WS Emit : %v", err)
+ }
+ s.bufStdout = ""
+ s.bufStderr = ""
+ }
+
+ // Update SDK status
+ if code == 0 && exitError == nil {
+ s.sdk.LastError = ""
+ s.sdk.Status = xsapiv1.SdkStatusInstalled
+ } else {
+ s.sdk.LastError = "Installation failed (code " + strconv.Itoa(code) +
+ ")"
+ if exitError != nil {
+ s.sdk.LastError = ". Error: " + exitError.Error()
+ }
+ s.sdk.Status = xsapiv1.SdkStatusNotInstalled
+ }
+
+ emitErr := ""
+ if exitError != nil {
+ emitErr = exitError.Error()
+ }
+ if emitErr == "" && s.sdk.LastError != "" {
+ emitErr = s.sdk.LastError
+ }
+
+ // Emit event
+ errSoEmit := (*so).Emit(xsapiv1.EVTSDKInstall, xsapiv1.SDKManagementMsg{
+ CmdID: e.CmdID,
+ Timestamp: time.Now().String(),
+ Sdk: s.sdk,
+ Progress: 100,
+ Exited: true,
+ Code: code,
+ Error: emitErr,
+ })
+ if errSoEmit != nil {
+ s.Log.Errorf("WS Emit : %v", errSoEmit)
+ }
+
+ // Cleanup command for the next time
+ s.installCmd = nil
+ }
+
+ // User data (used within callbacks)
+ data := make(map[string]interface{})
+ data["SDKID"] = s.sdk.ID
+ s.installCmd.UserData = &data
+
+ // Start command execution
+ s.Log.Infof("Install SDK %s: cmdID=%v, cmd=%v, args=%v", s.sdk.Name, s.installCmd.CmdID, s.installCmd.Cmd, s.installCmd.Args)
+
+ s.sdk.Status = xsapiv1.SdkStatusInstalling
+ s.sdk.LastError = ""
+
+ err := s.installCmd.Start()
+
+ return err
+}
+
+// AbortInstallRemove abort an install or remove command
+func (s *CrossSDK) AbortInstallRemove(timeout int) error {
+
+ if s.installCmd == nil {
+ return fmt.Errorf("no installation in progress for this sdk")
+ }
+
+ s.sdk.Status = xsapiv1.SdkStatusNotInstalled
+ return s.installCmd.Signal("SIGKILL")
+}
+
+// Remove Used to remove/uninstall a SDK
+func (s *CrossSDK) Remove() error {
+
+ if s.sdk.Status != xsapiv1.SdkStatusInstalled {
+ return fmt.Errorf("this sdk is not installed")
+ }
+
+ s.sdk.Status = xsapiv1.SdkStatusUninstalling
+
+ cmdline := s.scripts[scriptRemove] + " " + s.sdk.Path
+ cmd := exec.Command(cmdline)
+ stdout, err := cmd.CombinedOutput()
+ if err != nil {
+ return fmt.Errorf("Error while uninstalling sdk: %v", err)
+ }
+ s.Log.Debugf("SDK uninstall output:\n %v", stdout)
+
+ return nil
+}
+