Class List Method List File List

# Module: Yast::IscsiClientWidgetsInclude

Defined in:
  ../../src/include/iscsi-client/widgets.rb

## Instance Method Summary (collapse)

- - (Object) checkAuthEntry

  validation for authentication dialog entry.

- - (Object) handleConnectedTable(key, event)

  handle for table of connected sessions.

- - (Object) handleDiscAuth(key, event)

  handle for enable/disable widgets in authentication dialog.

- - (Object) handleDiscoveredTable(key, event)

  handling widget with discovered targets.

- - (Object) handleOffload(key, event)
- - (Object) handleTargetTable(key, event)

  handle dialog for all targets from portal (connected/disconnected) - only connect button ;).

- - (Object) initConnAuth(key)
- - (Object) initConnectedTable(key)

  init table of connected sessions.

- - (Object) initDiscAuth(key)

  disable both incoming and outgoing.

- - (Object) initDiscoveredTable(key)

  initialize widget with discovered targets.

- - (Object) initialize_iscsi_client_widgets(include_target)
- - (Object) initiBFT(key)

  ***************** iBFT table **************************.

- - (Object) initInitName(key)
- - (Object) initISNS(key)
- - (Object) initServerLocation(key)

  *******************Server Location ***********************.

- - (Object) initTargetTable(key)

  initialize dialog for all targets from portal (connected/disconnected).

- - (Object) runInBg(command)

  string initiatorname=“”; function for run command in background.

- - (Object) setDiscoveredButtons

  enable [ connect, delete ] buttons only for not connected items.

- - (Object) setRecord

  get record identificator from selected row.

- - (Object) storeInitName(key, event)
- - (Object) storeISNS(key, event)
- - (Object) validateConnAuth(key, event)

  login to target with authentication.

- - (Object) validateDiscAuth(key, event)
- - (Object) validateInitName(key, event)
- - (Object) validateISNS(key, event)
- - (Object) validateServerLocation(key, event)

  do discovery to selected portal.

## Instance Method Details

### - (`Object`) checkAuthEntry

validation for authentication dialog entry

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    # File '../../src/include/iscsi-client/widgets.rb', line 106

    def checkAuthEntry
      Builtins.y2milestone("Check entries for authentication")
      ret = true
      auth_none = Convert.to_boolean(UI.QueryWidget(Id(:auth_none), :Value))
      auth_in = Convert.to_boolean(UI.QueryWidget(Id(:auth_in), :Value))
      auth_out = Convert.to_boolean(UI.QueryWidget(Id(:auth_out), :Value))
      user_in = Builtins.tostring(UI.QueryWidget(Id(:user_in), :Value))
      pass_in = Builtins.tostring(UI.QueryWidget(Id(:pass_in), :Value))
      user_out = Builtins.tostring(UI.QueryWidget(Id(:user_out), :Value))
      pass_out = Builtins.tostring(UI.QueryWidget(Id(:pass_out), :Value))
      if auth_none
        return true
      else
        if auth_in
          if Builtins.size(user_in) == 0
            Popup.Error(_("Insert the username."))
            UI.SetFocus(Id(:user_in))
            return false
          end
          if Builtins.size(pass_in) == 0
            Popup.Error(_("Insert the password."))
            UI.SetFocus(Id(:pass_in))
            return false
          end
        end
        if auth_out
          if Builtins.size(user_out) == 0
            Popup.Error(_("Insert the username."))
            UI.SetFocus(Id(:user_out))
            return false
          end
          if Builtins.size(pass_out) == 0
            Popup.Error(_("Insert the password."))
            UI.SetFocus(Id(:pass_out))
            return false
          end
        end
      end
      ret
    end

### - (`Object`) handleConnectedTable(key, event)

handle for table of connected sessions

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    # File '../../src/include/iscsi-client/widgets.rb', line 197

    def handleConnectedTable(key, event)
      event = deep_copy(event)
      if Ops.get_string(event, "EventReason", "") == "Activated"
        record = []
        case Ops.get_symbol(event, "ID")
          when :add
            # add a new target, discovery
            # goto DiscAuthDialog("client")) ()
            Builtins.y2milestone("Goto dicovered authentication dialog")
            return :add
          when :del
            # delete (logout from) connected target
            record = setRecord
            if Ops.greater_than(Builtins.size(record), 0)
              if Popup.ContinueCancel(
                  _("Really log out from the selected target?")
                )
                if !IscsiClientLib.deleteRecord
                  Popup.Error(
                    _(
                      "Error occurred while logging out from the selected target."
                    )
                  )
                else
                  Builtins.y2milestone("Delete record %1", record)
                  initConnectedTable("")
                end
              end
            else
              Popup.Error(_("No record found."))
            end
          when :edit
            record = setRecord
            return :edit
          when :toggle
            # change manual/onboot status of connected target
            # don't use automatic anymore (replaced by onboot) (bnc#449108)
            record = setRecord
            if Ops.greater_than(Builtins.size(record), 0)
              Builtins.y2milestone("toggle record %1", record)
              startup = IscsiClientLib.getStartupStatus
              if Ops.greater_than(Builtins.size(startup), 0)
                # toggle all 3 possible values (bnc#457252)
                options = ["manual", "onboot", "automatic"]
                pos = 0
                Builtins.foreach(options) do |option|
                  if startup == option
                    startup = Ops.get(
                      options,
                      Ops.greater_than(Builtins.size(options), Ops.add(pos, 1)) ?
                        Ops.add(pos, 1) :
                        0,
                      ""
                    )
                    Builtins.y2milestone(
                      "Changing state from %1 to %2",
                      option,
                      startup
                    )
                    IscsiClientLib.setStartupStatus(startup)
                    raise Break
                  end
                  pos = Ops.add(pos, 1)
                end
                initConnectedTable("")
              end
            else
              Popup.Error(_("No record found."))
            end
        end
      end
      # if nothing selected - disable some buttons, otherwise enable them
      if setRecord == []
        UI.ChangeWidget(Id(:del), :Enabled, false)
        UI.ChangeWidget(Id(:edit), :Enabled, false)
      else
        UI.ChangeWidget(Id(:del), :Enabled, true)
        UI.ChangeWidget(Id(:edit), :Enabled, true)
      end
      nil
    end

### - (`Object`) handleDiscAuth(key, event)

handle for enable/disable widgets in authentication dialog

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    # File '../../src/include/iscsi-client/widgets.rb', line 553

    def handleDiscAuth(key, event)
      event = deep_copy(event)
      if Ops.get_string(event, "EventReason", "") == "ValueChanged"
        status = false
        case Ops.get_symbol(event, "ID")
          when :auth_none
            status = Convert.to_boolean(UI.QueryWidget(Id(:auth_none), :Value))
          when :auth_in
            status = Convert.to_boolean(UI.QueryWidget(Id(:auth_in), :Value))
          when :auth_out
            status = Convert.to_boolean(UI.QueryWidget(Id(:auth_out), :Value))
        end
      end
      nil
    end

### - (`Object`) handleDiscoveredTable(key, event)

handling widget with discovered targets

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    # File '../../src/include/iscsi-client/widgets.rb', line 739

    def handleDiscoveredTable(key, event)
      event = deep_copy(event)
      params = []
      selected = UI.QueryWidget(:discovered, :CurrentItem)
      if selected != nil
        params = Builtins.splitstring(
          Ops.get(IscsiClientLib.discovered, Builtins.tointeger(selected), ""),
          " "
        )
      else
        params = []
      end
      IscsiClientLib.currentRecord = [
        Ops.get(Builtins.splitstring(Ops.get(params, 0, ""), ","), 0, ""),
        Ops.get(params, 1, ""),
        Ops.get(params, 2, "default")
      ]
      #    params = curr_rec;
      if Ops.get_string(event, "EventReason", "") == "Activated"
        # connect new target
        if Ops.get(event, "ID") == :connect
          # check if not already connected
          if IscsiClientLib.connected(false) == true
            if !Popup.AnyQuestion(
                Label.WarningMsg,
                _(
                  "The target with this TargetName is already connected. Make sure that multipathing is enabled to prevent data corruption."
                ),
                _("Continue"),
                _("Cancel"),
                :focus_yes
              )
              return nil
            end
          end

          # goto ConnAuthDialog("discovered") (initDiscAuth)
          return :conn
        end
        # discovery target ConnAuthDialog("client") (initDiscAuth)
        return :disc if Ops.get(event, "ID") == :discovery
        # delete connected item
        if Ops.get(event, "ID") == :delete
          if params == [] || !IscsiClientLib.connected(true)
            cmd = IscsiClientLib.GetAdmCmd(
              Builtins.sformat(
                "-m node -T %1 -p %2 -I %3 --op=delete",
                Ops.get(params, 1, ""),
                Ops.get(params, 0, ""),
                Ops.get(params, 2, "")
              )
            )
            Builtins.y2milestone(
              "%1",
              SCR.Execute(path(".target.bash_output"), cmd, {})
            )
            IscsiClientLib.readSessions
            initDiscoveredTable("")
            if selected != nil
              params = Builtins.splitstring(
                Ops.get(
                  IscsiClientLib.discovered,
                  Builtins.tointeger(selected),
                  ""
                ),
                " "
              )
            else
              params = []
            end
          end
        end
      end
      setDiscoveredButtons
      nil
    end

### - (`Object`) handleOffload(key, event)

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    # File '../../src/include/iscsi-client/widgets.rb', line 466

    def handleOffload(key, event)
      event = deep_copy(event)
      if Ops.get_string(event, "EventReason", "") == "ValueChanged" &&
          Ops.get_symbol(event, "ID", :none) == :offload_card
        if Convert.to_string(UI.QueryWidget(:offload_card, :Value)) !=
            IscsiClientLib.GetOffloadCard
          IscsiClientLib.SetOffloadCard(
            Convert.to_string(UI.QueryWidget(:offload_card, :Value))
          )
          Builtins.y2milestone(
            "handleOffload OffloadCard %1",
            IscsiClientLib.GetOffloadCard
          )
        end
      end
      nil
    end

### - (`Object`) handleTargetTable(key, event)

handle dialog for all targets from portal (connected/disconnected) - only connect button ;)

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    # File '../../src/include/iscsi-client/widgets.rb', line 843

    def handleTargetTable(key, event)
      event = deep_copy(event)
      #enable/disable connect button according target is or not already connected
      items = Convert.convert(
        UI.QueryWidget(:targets, :Items),
        :from => "any",
        :to   => "list <term>"
      )
      if Ops.get_string(
          Ops.get(
            items,
            Convert.to_integer(UI.QueryWidget(:targets, :CurrentItem))
          ),
          3,
          ""
        ) ==
          _("True")
        UI.ChangeWidget(:connect, :Enabled, false)
      else
        UI.ChangeWidget(:connect, :Enabled, true)
      end

      if Ops.get_string(event, "EventReason", "") == "Activated"
        if Ops.get(event, "ID") == :connect
          # check if is not already connected
          IscsiClientLib.currentRecord = Builtins.splitstring(
            Ops.get(
              IscsiClientLib.targets,
              Convert.to_integer(UI.QueryWidget(:targets, :CurrentItem)),
              ""
            ),
            " "
          )
          if IscsiClientLib.connected(true) == true
            Popup.Error(_("The target is already connected."))
          else
            # check if not already connected
            if IscsiClientLib.connected(false) == true
              if !Popup.AnyQuestion(
                  Label.WarningMsg,
                  _(
                    "The target with this TargetName is already connected. Make sure that multipathing is enabled to prevent data corruption."
                  ),
                  _("Continue"),
                  _("Cancel"),
                  :focus_yes
                )
                return nil
              end
            end

            # goto ConnAuthDialog("discovered") (initDiscAuth())
            return :conn_auth
          end
        end
      end
      nil
    end

### - (`Object`) initConnAuth(key)

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    # File '../../src/include/iscsi-client/widgets.rb', line 517

    def initConnAuth(key)
      # setAuthIn(false);
      # setAuthOut(false);
      auth = IscsiClientLib.getNode
      if Ops.greater_than(Builtins.size(auth), 0)
        UI.ChangeWidget(
          Id(:user_in),
          :Value,
          Ops.get_string(auth, "username_in", "")
        )
        UI.ChangeWidget(
          Id(:pass_in),
          :Value,
          Ops.get_string(auth, "password_in", "")
        )
        #   if ((size(auth["username_in"]:"")>0)&&(size(auth["password_in"]:"")>0)) setAuthOut(true);
        UI.ChangeWidget(
          Id(:user_out),
          :Value,
          Ops.get_string(auth, "username", "")
        )
        UI.ChangeWidget(
          Id(:pass_out),
          :Value,
          Ops.get_string(auth, "password", "")
        )
        #   if ((size(auth["username"]:"")>0)&&(size(auth["password"]:"")>0)) setAuthOut(true);
      end
      startup = IscsiClientLib.getStartupStatus
      if Ops.greater_than(Builtins.size(startup), 0)
        UI.ChangeWidget(Id("startup"), :Value, startup)
      end

      nil
    end

### - (`Object`) initConnectedTable(key)

init table of connected sessions

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    # File '../../src/include/iscsi-client/widgets.rb', line 148

    def initConnectedTable(key)
      if IscsiClientLib.readSessions == false
        Popup.Error(_("Error While Connecting iscsid"))
      end
      row_current = Convert.to_integer(UI.QueryWidget(:connected, :CurrentItem))
      items = []
      row = 0
      Builtins.foreach(IscsiClientLib.sessions) do |s|
        IscsiClientLib.currentRecord = Builtins.splitstring(s, " ")
        items = Builtins.add(
          items,
          Item(
            Id(row),
            Ops.get(IscsiClientLib.currentRecord, 2, ""),
            Ops.get(IscsiClientLib.currentRecord, 0, ""),
            Ops.get(IscsiClientLib.currentRecord, 1, ""),
            IscsiClientLib.getStartupStatus
          )
        )
        row = Ops.add(row, 1)
      end
      UI.ChangeWidget(Id(:connected), :Items, items)
      UI.ChangeWidget(:connected, :CurrentItem, row_current)
      UI.SetFocus(Id(:connected))

      nil
    end

### - (`Object`) initDiscAuth(key)

disable both incoming and outgoing

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    # File '../../src/include/iscsi-client/widgets.rb', line 513

    def initDiscAuth(key)
      nil
    end

### - (`Object`) initDiscoveredTable(key)

initialize widget with discovered targets

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    # File '../../src/include/iscsi-client/widgets.rb', line 713

    def initDiscoveredTable(key)
      items = []
      row = 0
      Builtins.foreach(IscsiClientLib.getDiscovered) do |s|
        IscsiClientLib.currentRecord = Builtins.splitstring(s, " ")
        #        string record = deletechars(row_in_string[0]:"", "[]");
        items = Builtins.add(
          items,
          Item(
            Id(row),
            Ops.get(IscsiClientLib.currentRecord, 2, ""),
            Ops.get(IscsiClientLib.currentRecord, 0, ""),
            Ops.get(IscsiClientLib.currentRecord, 1, ""),
            IscsiClientLib.connected(true) ? _("True") : _("False")
          )
        )
        row = Ops.add(row, 1)
      end
      UI.ChangeWidget(Id(:discovered), :Items, items)
      UI.SetFocus(Id(:discovered))
      setDiscoveredButtons

      nil
    end

### - (`Object`) initialize_iscsi_client_widgets(include_target)

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    # File '../../src/include/iscsi-client/widgets.rb', line 34

    def initialize_iscsi_client_widgets(include_target)
      textdomain "iscsi-client"
      Yast.import "IP"

      @stat = false
      @curr_rec = []
      @bg_finish = false
    end

### - (`Object`) initiBFT(key)

***************** iBFT table **************************

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    # File '../../src/include/iscsi-client/widgets.rb', line 485

    def initiBFT(key)
      items = []
      Builtins.foreach(IscsiClientLib.hidePassword(IscsiClientLib.getiBFT)) do |key2, value|
        items = Builtins.add(items, Item(Id(Builtins.size(items)), key2, value))
      end
      UI.ChangeWidget(:bios, :Items, items)

      nil
    end

### - (`Object`) initInitName(key)

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    # File '../../src/include/iscsi-client/widgets.rb', line 377

    def initInitName(key)
      Builtins.y2milestone("initiatorname %1", IscsiClientLib.initiatorname)
      UI.ChangeWidget(:initiator_name, :Value, IscsiClientLib.initiatorname)
      UI.ChangeWidget(:offload_card, :Items, IscsiClientLib.GetOffloadItems)
      UI.ChangeWidget(:offload_card, :Value, IscsiClientLib.GetOffloadCard)
      Builtins.y2milestone("OffloadCard %1", IscsiClientLib.GetOffloadCard)
      if Ops.greater_than(
          Builtins.size(
            Ops.get_string(IscsiClientLib.getiBFT, "iSCSI_INITIATOR_NAME", "")
          ),
          0
        )
        UI.ChangeWidget(:initiator_name, :Enabled, false)
        UI.ChangeWidget(:write, :Enabled, false)
      end

      nil
    end

### - (`Object`) initISNS(key)

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    # File '../../src/include/iscsi-client/widgets.rb', line 279

    def initISNS(key)
      Builtins.foreach(IscsiClientLib.getConfig) do |row|
        if Ops.get_string(row, "name", "") == "isns.address"
          UI.ChangeWidget(
            :isns_address,
            :Value,
            Ops.get_string(row, "value", "")
          )
        end
        if Ops.get_string(row, "name", "") == "isns.port"
          UI.ChangeWidget(:isns_port, :Value, Ops.get_string(row, "value", ""))
        end
      end
      UI.ChangeWidget(:isns_port, :ValidChars, "0123456789")

      nil
    end

### - (`Object`) initServerLocation(key)

*******************Server Location ***********************

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    # File '../../src/include/iscsi-client/widgets.rb', line 575

    def initServerLocation(key)
      Builtins.y2internal("is iSNS %1", IscsiClientLib.useISNS)
      if IscsiClientLib.useISNS
        UI.ChangeWidget(:hostname, :Enabled, false)
        UI.ChangeWidget(:port, :Enabled, false)
      end

      nil
    end

### - (`Object`) initTargetTable(key)

initialize dialog for all targets from portal (connected/disconnected)

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    # File '../../src/include/iscsi-client/widgets.rb', line 819

    def initTargetTable(key)
      items = []
      row = 0
      Builtins.foreach(IscsiClientLib.targets) do |s|
        IscsiClientLib.currentRecord = Builtins.splitstring(s, " ")
        items = Builtins.add(
          items,
          Item(
            Id(row),
            Ops.get(IscsiClientLib.currentRecord, 2, ""),
            Ops.get(IscsiClientLib.currentRecord, 0, ""),
            Ops.get(IscsiClientLib.currentRecord, 1, ""),
            IscsiClientLib.connected(true) ? _("True") : _("False")
          )
        )
        row = Ops.add(row, 1)
      end
      UI.ChangeWidget(Id(:targets), :Items, items)
      UI.SetFocus(Id(:targets))

      nil
    end

### - (`Object`) runInBg(command)

string initiatorname=“”; function for run command in background

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    # File '../../src/include/iscsi-client/widgets.rb', line 45

    def runInBg(command)
      @bg_finish = false
      Builtins.y2milestone("Start command %1 in background", command)
      stdout = []
      return_code = nil
      started = Convert.to_boolean(
        SCR.Execute(path(".background.run_output_err"), command)
      )
      if !started
        Builtins.y2error("Cannot run command")
        @stat = false
        return []
      end
      time_spent = 0
      cont_loop = true
      script_time_out = 10000
      sleep_step = 20
      while cont_loop &&
          Convert.to_boolean(SCR.Read(path(".background.output_open")))
        if Ops.greater_or_equal(time_spent, script_time_out)
          Popup.Error(_("Command timed out"))
          cont_loop = false
        end
        time_spent = Ops.add(time_spent, sleep_step)
        Builtins.sleep(sleep_step)
      end
      Builtins.y2milestone("Time spent: %1 msec", time_spent)
      stdout = Convert.convert(
        SCR.Read(path(".background.newout")),
        :from => "any",
        :to   => "list <string>"
      )
      if cont_loop
        return_code = Convert.to_integer(SCR.Read(path(".background.status")))
        if return_code == 255
          @stat = false
          Popup.Error(
            Ops.get(
              Convert.convert(
                SCR.Read(path(".background.newerr")),
                :from => "any",
                :to   => "list <string>"
              ),
              0,
              ""
            )
          )
        else
          @stat = true
        end
      else
        # killing the process if it still runs
        if Convert.to_boolean(SCR.Read(path(".background.output_open")))
          SCR.Execute(path(".background.kill"), "")
        end
      end
      @bg_finish = true
      deep_copy(stdout)
    end

### - (`Object`) setDiscoveredButtons

enable [ connect, delete ] buttons only for not connected items

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    # File '../../src/include/iscsi-client/widgets.rb', line 685

    def setDiscoveredButtons
      params = []
      selected = UI.QueryWidget(:discovered, :CurrentItem)
      if selected != nil
        params = Builtins.splitstring(
          Ops.get(IscsiClientLib.discovered, Builtins.tointeger(selected), ""),
          " "
        )
      else
        params = []
      end
      IscsiClientLib.currentRecord = [
        Ops.get(Builtins.splitstring(Ops.get(params, 0, ""), ","), 0, ""),
        Ops.get(params, 1, ""),
        Ops.get(params, 2, "")
      ]
      if params == [] || IscsiClientLib.connected(true)
        UI.ChangeWidget(Id(:connect), :Enabled, false)
        UI.ChangeWidget(Id(:delete), :Enabled, false)
      else
        UI.ChangeWidget(Id(:connect), :Enabled, true)
        UI.ChangeWidget(Id(:delete), :Enabled, true)
      end

      nil
    end

### - (`Object`) setRecord

get record identificator from selected row

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    # File '../../src/include/iscsi-client/widgets.rb', line 177

    def setRecord
      IscsiClientLib.currentRecord = []
      sel_item = UI.QueryWidget(Id(:connected), :CurrentItem)
      if sel_item != nil
        current = Builtins.tointeger(sel_item)
        IscsiClientLib.currentRecord = Builtins.splitstring(
          Ops.get(IscsiClientLib.sessions, current, ""),
          " "
        )
        #	 record = deletechars(record, "[]");
      elsif Ops.greater_than(Builtins.size(IscsiClientLib.sessions), 0)
        IscsiClientLib.currentRecord = Builtins.splitstring(
          Ops.get(IscsiClientLib.sessions, 0, ""),
          " "
        )
      end
      deep_copy(IscsiClientLib.currentRecord)
    end

### - (`Object`) storeInitName(key, event)

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    # File '../../src/include/iscsi-client/widgets.rb', line 437

    def storeInitName(key, event)
      event = deep_copy(event)
      if Convert.to_string(UI.QueryWidget(:initiator_name, :Value)) !=
          IscsiClientLib.initiatorname
        # write initiatorname
        IscsiClientLib.writeInitiatorName(
          Convert.to_string(UI.QueryWidget(:initiator_name, :Value))
        )
        if Stage.initial
          SCR.Execute(path(".target.bash"), "killproc /sbin/iscsid")
          IscsiClientLib.startIScsid
        else
          SCR.Execute(path(".target.bash"), "rciscsid restart")
        end
        Builtins.y2milestone(
          "write initiatorname %1",
          IscsiClientLib.initiatorname
        )
      end
      if Convert.to_string(UI.QueryWidget(:offload_card, :Value)) !=
          IscsiClientLib.GetOffloadCard
        IscsiClientLib.SetOffloadCard(
          Convert.to_string(UI.QueryWidget(:offload_card, :Value))
        )
        Builtins.y2milestone("OffloadCard %1", IscsiClientLib.GetOffloadCard)
      end
      nil
    end

### - (`Object`) storeISNS(key, event)

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    # File '../../src/include/iscsi-client/widgets.rb', line 316

    def storeISNS(key, event)
      event = deep_copy(event)
      address = Convert.to_string(UI.QueryWidget(:isns_address, :Value))
      port = Convert.to_string(UI.QueryWidget(:isns_port, :Value))
      found_addr = false
      found_port = false
      tmp_config = []

      Builtins.foreach(IscsiClientLib.getConfig) do |row|
        if Ops.get_string(row, "name", "") == "isns.address"
          Ops.set(row, "value", address)
          found_addr = true
        end
        if Ops.get_string(row, "name", "") == "isns.port"
          Ops.set(row, "value", port)
          found_port = true
        end
        if (Ops.get_string(row, "name", "") == "isns.address" ||
            Ops.get_string(row, "name", "") == "isns.port") &&
            Ops.greater_than(Builtins.size(address), 0) &&
              Ops.greater_than(Builtins.size(port), 0) ||
            Ops.get_string(row, "name", "") != "isns.address" &&
              Ops.get_string(row, "name", "") != "isns.port"
          tmp_config = Builtins.add(tmp_config, row)
        end
      end
      if Ops.greater_than(Builtins.size(address), 0) &&
          Ops.greater_than(Builtins.size(port), 0)
        if !found_addr
          tmp_config = Builtins.add(
            tmp_config,
            {
              "name"    => "isns.address",
              "value"   => address,
              "kind"    => "value",
              "type"    => 1,
              "comment" => ""
            }
          )
        end
        if !found_port
          tmp_config = Builtins.add(
            tmp_config,
            {
              "name"    => "isns.port",
              "value"   => port,
              "kind"    => "value",
              "type"    => 1,
              "comment" => ""
            }
          )
        end
      end

      IscsiClientLib.setConfig(tmp_config)
      IscsiClientLib.oldConfig
      nil
    end

### - (`Object`) validateConnAuth(key, event)

login to target with authentication

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    # File '../../src/include/iscsi-client/widgets.rb', line 906

    def validateConnAuth(key, event)
      event = deep_copy(event)
      auth_none = Convert.to_boolean(UI.QueryWidget(Id(:auth_none), :Value))
      user_in = Builtins.tostring(UI.QueryWidget(Id(:user_in), :Value))
      pass_in = Builtins.tostring(UI.QueryWidget(Id(:pass_in), :Value))
      user_out = Builtins.tostring(UI.QueryWidget(Id(:user_out), :Value))
      pass_out = Builtins.tostring(UI.QueryWidget(Id(:pass_out), :Value))

      target = {
        "target"      => Ops.get(IscsiClientLib.currentRecord, 1, ""),
        "portal"      => Ops.get(IscsiClientLib.currentRecord, 0, ""),
        "iface"       => Ops.get(IscsiClientLib.currentRecord, 2, "default"),
        "authmethod"  => auth_none ? "None" : "CHAP",
        "username"    => user_out,
        "password"    => pass_out,
        "username_in" => user_in,
        "password_in" => pass_in
      }
      if IscsiClientLib.connected(true) ||
          IscsiClientLib.loginIntoTarget(target)
        #		IscsiClientLib::currentRecord = [target["portal"]:"", target["target"]:"", target["iface"]:"default"];
        IscsiClientLib.setStartupStatus(
          Convert.to_string(UI.QueryWidget(Id("startup"), :Value))
        )
        IscsiClientLib.readSessions
        return true
      else
        return false
      end
    end

### - (`Object`) validateDiscAuth(key, event)

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    # File '../../src/include/iscsi-client/widgets.rb', line 569

    def validateDiscAuth(key, event)
      event = deep_copy(event)
      checkAuthEntry
    end

### - (`Object`) validateInitName(key, event)

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    # File '../../src/include/iscsi-client/widgets.rb', line 396

    def validateInitName(key, event)
      event = deep_copy(event)
      #  Targets definitions start with "Target" and the target name.
      #  The target name must be a globally unique name, the iSCSI
      #  standard defines the "iSCSI Qualified Name" as follows:
      #
      #  iqn.yyyy-mm.reversed domain name[:identifier]
      #
      #  "yyyy-mm" is the date at which the domain is valid and the identifier
      #  is freely selectable. For further details please check the iSCSI spec.

      i_name = Convert.to_string(UI.QueryWidget(:initiator_name, :Value))
      # regexp for "yyyy-mm."
      reg1 = "[[:digit:]]{4}-[[:digit:]]{2}."
      # regexp for "cz.suse" or just "suse", "cz.su-se"
      reg2 = "[[:alnum:].:-]*"

      correct = Builtins.regexpmatch(
        i_name,
        Builtins.sformat("^iqn.%1%2$", reg1, reg2)
      ) ||
        Builtins.regexpmatch(i_name, Builtins.sformat("^eui.%1%2$", reg1, reg2))

      if !correct
        Popup.Warning(
          _(
            "Incorrect InitiatorName.\n" +
              "The correct syntax is\n" +
              "iqn.yyyy-mm.reversed.domain.name[:identifier]\n" +
              "or eui.yyyy-mm.reversed.domain.name[:identifier]\n" +
              "\n" +
              "Example:\n" +
              "iqn.2007-04.cz.server:storage.disk.sdb\n"
          )
        )
      end

      correct
    end

### - (`Object`) validateISNS(key, event)

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    # File '../../src/include/iscsi-client/widgets.rb', line 297

    def validateISNS(key, event)
      event = deep_copy(event)
      address = Convert.to_string(UI.QueryWidget(:isns_address, :Value))
      port = Convert.to_string(UI.QueryWidget(:isns_port, :Value))
      return true if Builtins.size(address) == 0 && Builtins.size(port) == 0
      if !IP.Check4(address)
        Popup.Error(_("No valid IP address"))
        UI.SetFocus(:isns_address)
        return false
      end
      if Builtins.size(port) == 0
        Popup.Error(_("Port field cannot be empty"))
        UI.SetFocus(:isns_port)
        return false
      end
      true
    end

### - (`Object`) validateServerLocation(key, event)

do discovery to selected portal

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    # File '../../src/include/iscsi-client/widgets.rb', line 586

    def validateServerLocation(key, event)
      event = deep_copy(event)
      ret = true
      ip = Builtins.tostring(UI.QueryWidget(:hostname, :Value))
      port = Builtins.tostring(UI.QueryWidget(:port, :Value))
      # validate IP address
      if !IscsiClientLib.useISNS
        if Ops.greater_than(Builtins.size(ip), 0)
          if !IP.Check4(ip)
            output = Convert.convert(
              SCR.Execute(
                path(".target.bash_output"),
                Builtins.sformat("host -4 %1|tr -d '\n'", ip)
              ),
              :from => "any",
              :to   => "map <string, any>"
            )
            out = Builtins.splitstring(
              Ops.get_string(output, "stdout", ""),
              " "
            )
            ip = Ops.get(out, Ops.subtract(Builtins.size(out), 1), "")
            Builtins.y2internal("%1", out)
            if Ops.get_integer(output, "exit", -1) == 0

            else
              Popup.Error(Ops.get_string(output, "stdout", ""))
              UI.SetFocus(:hostname)
              return false
            end
          end
        else
          Popup.Error(_("Insert the IP address."))
          UI.SetFocus(:ip)
          return false
        end
        # validate port number
        if Builtins.size(port) == 0
          Popup.Error(_("Insert the port."))
          UI.SetFocus(:port)
          return false
        end
      end
      # store old config
      IscsiClientLib.getConfig

      auth_none = Convert.to_boolean(UI.QueryWidget(Id(:auth_none), :Value))
      user_in = Builtins.tostring(UI.QueryWidget(Id(:user_in), :Value))
      pass_in = Builtins.tostring(UI.QueryWidget(Id(:pass_in), :Value))
      user_out = Builtins.tostring(UI.QueryWidget(Id(:user_out), :Value))
      pass_out = Builtins.tostring(UI.QueryWidget(Id(:pass_out), :Value))
      auth_in = !auth_none && Ops.greater_than(Builtins.size(user_in), 0) &&
        Ops.greater_than(Builtins.size(pass_in), 0)
      auth_out = !auth_none && Ops.greater_than(Builtins.size(user_out), 0) &&
        Ops.greater_than(Builtins.size(pass_out), 0)

      if auth_none
        user_in = ""
        pass_in = ""
        user_out = ""
        pass_out = ""
      end
      if !auth_in
        user_in = ""
        pass_in = ""
      end
      if !auth_out
        user_out = ""
        pass_out = ""
      end

      # write authentication data
      IscsiClientLib.saveConfig(user_in, pass_in, user_out, pass_out)
      #y2internal("auth: %1/%2, %3/%4", user_in, pass_in, user_out, pass_out);
      @bg_finish = false
      # ` with authentication
      command = IscsiClientLib.GetDiscoveryCmd(ip, port, false)
      trg_list = runInBg(command)
      while !@bg_finish

      end
      if Builtins.size(trg_list) == 0
        command = IscsiClientLib.GetDiscoveryCmd(ip, port, true)
        trg_list = runInBg(command)
        while !@bg_finish

        end
      end
      IscsiClientLib.targets = IscsiClientLib.ScanDiscovered(trg_list)
      # restore old config
      IscsiClientLib.oldConfig

      @stat
    end