Class: Cosmos::CmdTlmServerGui

Inherits:
QtTool show all
Defined in:
lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb

Overview

Implements the GUI functions of the Command and Telemetry Server. All the QT calls are implemented here. The non-GUI functionality is contained in the CmdTlmServer class.

Constant Summary collapse

STOPPED = 
0
RUNNING = 
1
ERROR = 
2
CMD = 
"Command"
TLM = 
"Telemetry"

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from QtTool

#about, #complete_initialize, create_default_options, graceful_kill, #initialize_help_menu, post_options_parsed_hook, pre_window_new_hook, redirect_io, restore_io

Constructor Details

#initialize(options) ⇒ CmdTlmServerGui

Returns a new instance of CmdTlmServerGui.



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 50

def initialize(options)
  super(options) # MUST BE FIRST - All code before super is executed twice in RubyQt Based classes
  Cosmos.load_cosmos_icon("cts.png")

  @production = options.production
  @no_prompt = options.no_prompt
  @message_log = nil
  @output_sleeper = Sleeper.new

  statusBar.showMessage(tr("")) # Show blank message to initialize status bar

  initialize_actions()
  initialize_menus()
  initialize_central_widget()
  complete_initialize()

  Splash.execute(self) do |splash|
    ConfigParser.splash = splash
    splash.message = "Initializing #{CMD} and #{TLM} Server"

    # Start the thread that will process server messages and add them to the output text
    process_server_messages(options)

    CmdTlmServer.meta_callback = method(:meta_callback)
    cts = CmdTlmServer.new(options.config_file, @production)
    cts.stop_callback = method(:stop_callback)
    @message_log = CmdTlmServer.message_log

    # Now that we've started the server (CmdTlmServer.new) we can populate all the tabs
    splash.message = "Populating Tabs"
    Qt.execute_in_main_thread(true) do
      # Override the default title if one was given in the config file
      self.window_title = CmdTlmServer.title if CmdTlmServer.title
      splash.progress = 0
      populate_interfaces('Interfaces')
      splash.progress = 100/7 * 1
      populate_targets()
      splash.progress = 100/7 * 2
      populate_packets(CMD)
      splash.progress = 100/7 * 3
      populate_packets(TLM)
      splash.progress = 100/7 * 4
      populate_interfaces('Routers')
      splash.progress = 100/7 * 5
      populate_logging()
      splash.progress = 100/7 * 6
      populate_status()
      splash.progress = 100
    end
    ConfigParser.splash = nil
  end
end

Class Method Details

.run(option_parser = nil, options = nil) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 960

def self.run(option_parser = nil, options = nil)
  Cosmos.catch_fatal_exception do
    unless option_parser and options
      option_parser, options = create_default_options()
      options.width = 800
      options.height = 500
      # Set the default title which can be overridden in the config file
      options.title = "#{CMD} and #{TLM} Server"
      options.auto_size = false
      options.config_file = CmdTlmServer::DEFAULT_CONFIG_FILE
      options.production = false
      options.no_prompt = false
      option_parser.separator "CTS Specific Options:"
      option_parser.on("-c", "--config FILE", "Use the specified configuration file") do |arg|
        options.config_file = arg
      end
      option_parser.on("-p", "--production", "Run the server in production mode which disables the ability to stop logging.") do |arg|
        options.production = true
      end
      option_parser.on("-n", "--no-prompt", "Don't prompt with Are You Sure dialog on close.") do |arg|
        options.no_prompt = true
      end
    end

    super(option_parser, options)
  end
end

Instance Method Details

#closeEvent(event) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 935

def closeEvent(event)
  # Create are you sure dialog
  if @no_prompt
    continue = true
  else
    msg = Qt::MessageBox.new(self)
    msg.setIcon(Qt::MessageBox::Question)
    msg.setText("Are you sure? All tools connected to this CmdTlmServer will lose connections and cease to function if the CmdTlmServer is closed.")
    msg.setWindowTitle('Confirm Close')
    msg.setStandardButtons(Qt::MessageBox::Yes | Qt::MessageBox::No)
    continue = false
    continue = true if msg.exec() == Qt::MessageBox::Yes
    msg.dispose
  end

  if continue
    kill_tab_thread()
    CmdTlmServer.instance.stop_logging('ALL')
    CmdTlmServer.instance.stop
    super(event)
  else
    event.ignore()
  end
end

#create_log_layout(form_layout, log_writer, label_prefix) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 598

def create_log_layout(form_layout, log_writer, label_prefix)
  label = Qt::Label.new(tr(log_writer.logging_enabled.to_s))
  label.setTextInteractionFlags(Qt::TextSelectableByMouse)
  form_layout.addRow("#{label_prefix} Logging:", label)
  label = Qt::Label.new(tr(log_writer.queue.size.to_s))
  label.setTextInteractionFlags(Qt::TextSelectableByMouse)
  form_layout.addRow("#{label_prefix} Queue Size:", label)
  label = Qt::Label.new(tr(log_writer.filename))
  label.setTextInteractionFlags(Qt::TextSelectableByMouse)
  form_layout.addRow("#{label_prefix} Filename:", label)
  file_size = 0
  begin
    file_size = File.size(log_writer.filename) if log_writer.filename
  rescue Exception
    # Do nothing on error
  end
  label = Qt::Label.new(tr(file_size.to_s))
  label.setTextInteractionFlags(Qt::TextSelectableByMouse)
  form_layout.addRow("#{label_prefix} File Size:", label)
end

#edit_clear_counters ⇒ Object

Edit->Clear Counters



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 133

def edit_clear_counters
  CmdTlmServer.clear_counters
end

#get_cmd_tlm_def(name) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 441

def get_cmd_tlm_def(name)
  case name
    when CMD
      return System.commands
    when TLM
      return System.telemetry
  end
end

#graceful_kill ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 1028

def graceful_kill
  # Just to avoid warning
end

#handle_interfaces_tab(name) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 316

def handle_interfaces_tab(name)
  @tab_thread = Thread.new do
    if @interfaces_table[name]
      begin
        while true
          Qt.execute_in_main_thread(true) do
            row = 0
            if name == 'Routers'
              interfaces = CmdTlmServer.routers
            else
              interfaces = CmdTlmServer.interfaces
            end
            interfaces.all.each do |interface_name, interface|
              button = @interfaces_table[name].cellWidget(row,1)
              state = @interfaces_table[name].item(row,2)
              if interface.connected?
                button.setText('Disconnect')
                button.setDisabled(true) if interface.disable_disconnect
                state.setText('true')
                state.textColor = Cosmos::GREEN
              elsif interface.thread
                button.text = 'Cancel Connect'
                button.setDisabled(false)
                state.text = 'attempting'
                state.textColor = Cosmos::RED
              else
                button.setText('Connect')
                button.setDisabled(false)
                state.setText('false')
                state.textColor = Cosmos::BLACK
              end
              @interfaces_table[name].item(row,3).setText(interface.num_clients.to_s)
              @interfaces_table[name].item(row,4).setText(interface.write_queue_size.to_s)
              @interfaces_table[name].item(row,5).setText(interface.read_queue_size.to_s)
              @interfaces_table[name].item(row,6).setText(interface.bytes_written.to_s)
              @interfaces_table[name].item(row,7).setText(interface.bytes_read.to_s)
              if name == 'Routers'
                @interfaces_table[name].item(row,8).setText(interface.read_count.to_s)
                @interfaces_table[name].item(row,9).setText(interface.write_count.to_s)
              else
                @interfaces_table[name].item(row,8).setText(interface.write_count.to_s)
                @interfaces_table[name].item(row,9).setText(interface.read_count.to_s)
              end
              row += 1
            end
          end
          break if @tab_sleeper.sleep(1)
        end
      rescue Exception => error
        Qt.execute_in_main_thread(true) {|| ExceptionDialog.new(self, error, "COSMOS CTS : #{name} Tab Thread")}
      end
    end
  end
end

#handle_logging_tab ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 714

def handle_logging_tab
  @tab_thread = Thread.new do
    begin
      while true
        Qt.execute_in_main_thread(true) do
          update_filename_and_logging_state()
        end
        break if @tab_sleeper.sleep(1)
      end
    rescue Exception => error
      Qt.execute_in_main_thread(true) {|| ExceptionDialog.new(self, error, "COSMOS CTS : Logging Tab Thread")}
    end
  end
end

#handle_packets_tab(name) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 538

def handle_packets_tab(name)
  cmd_tlm = get_cmd_tlm_def(name)

  @tab_thread = Thread.new do
    begin
      unless cmd_tlm.target_names.empty?
        while true
          Qt.execute_in_main_thread(true) do
            row = 0
            cmd_tlm.target_names.sort.each do |target_name|
              packets = cmd_tlm.packets(target_name)
              packets.sort.each do |packet_name, packet|
                next if packet.hidden
                @packets_table[name].item(row, 2).setText(packet.received_count.to_s)
                row += 1
              end
            end
          end
          break if @tab_sleeper.sleep(1)
        end
      end
    rescue Exception => error
      Qt.execute_in_main_thread(true) {|| ExceptionDialog.new(self, error, "COSMOS CTS : #{name} Packets Tab Thread")}
    end
  end
end

#handle_status_tab ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 857

def handle_status_tab
  @tab_thread = Thread.new do
    begin
      if CmdTlmServer.json_drb
        previous_request_count = CmdTlmServer.json_drb.request_count
      else
        previous_request_count = 0
      end
      while true
        start_time = Time.now
        Qt.execute_in_main_thread(true) do
          # Update limits set
          current_limits_set = System.limits_set.to_s
          if @limits_set_combo.currentText != current_limits_set
            known_limits_sets = System.limits.sets
            known_limits_sets = known_limits_sets.map {|x| x.to_s}.sort
            current_index = known_limits_sets.index(current_limits_set.to_s)
            @limits_set_combo.clear
            known_limits_sets.sort.each do |limits_set|
              @limits_set_combo.addItem(limits_set.to_s)
            end
            @limits_set_combo.setCurrentIndex(current_index)
          end

          # Update API status
          if CmdTlmServer.json_drb
            @api_table.item(0,1).setText(CmdTlmServer.json_drb.num_clients.to_s)
            @api_table.item(0,2).setText(CmdTlmServer.json_drb.request_count.to_s)
            request_count = CmdTlmServer.json_drb.request_count
            requests_per_second = request_count - previous_request_count
            @api_table.item(0,3).setText(requests_per_second.to_s)
            previous_request_count = request_count
            average_request_time = CmdTlmServer.json_drb.average_request_time
            @api_table.item(0,4).setText(sprintf("%0.6f s", average_request_time))
            estimated_utilization = requests_per_second * average_request_time * 100.0
            @api_table.item(0,5).setText(sprintf("%0.2f %", estimated_utilization))
          end

          # Update system status
          @system_table.item(0,0).setText(Thread.list.length.to_s)
          objs = ObjectSpace.count_objects
          @system_table.item(0,1).setText(objs[:TOTAL].to_s)
          @system_table.item(0,2).setText(objs[:FREE].to_s)
          total = 0
          objs.each do |key, val|
            next if key == :TOTAL || key == :FREE
            total += val
          end
          @system_table.item(0,3).setText(total.to_s)

          # Update background task status
          background_tasks = CmdTlmServer.background_tasks.all
          if background_tasks.length > 0
            row = 0
            background_tasks.each_with_index do |background_task, index|
              if background_task.thread
                status = background_task.thread.status
                status = 'complete' if status == false
                @background_tasks_table.item(row, 1).setText(status.to_s)
              else
                @background_tasks_table.item(row, 1).setText('no thread')
              end
              @background_tasks_table.item(row, 2).setText(background_task.status.to_s)
              row += 1
            end
          end
        end
        total_time = Time.now - start_time
        if total_time > 0.0 and total_time < 1.0
          break if @tab_sleeper.sleep(1.0 - total_time)
        end
      end
    rescue Exception => error
      Qt.execute_in_main_thread(true) {|| ExceptionDialog.new(self, error, "COSMOS CTS : Settings Tab Thread")}
    end
  end
end

#handle_string_output ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 1007

def handle_string_output
  if @string_output.string[-1..-1] == "\n"
    Qt.execute_in_main_thread(true) do
      lines_to_write = ''
      string = @string_output.string.clone
      @string_output.string = @string_output.string[string.length..-1]
      string.each_line {|out_line| @output.add_formatted_text(out_line); lines_to_write += out_line }
      @output.flush
      @message_log.write(lines_to_write)
    end
  end
end

#handle_tab_change(index) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 171

def handle_tab_change(index)
  kill_tab_thread()
  @tab_sleeper = Sleeper.new
  case index
  when 0
    handle_interfaces_tab('Interfaces')
  when 1
    handle_targets_tab()
  when 2
    handle_packets_tab(CMD)
  when 3
    handle_packets_tab(TLM)
  when 4
    handle_interfaces_tab('Routers')
  when 5
    handle_logging_tab()
  when 6
    handle_status_tab()
  end
end

#handle_targets_tab ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 420

def handle_targets_tab
  @tab_thread = Thread.new do
    begin
      while true
        Qt.execute_in_main_thread(true) do
          row = 0
          System.targets.sort.each do |target_name, target|
            next if target_name == 'SYSTEM'
            @targets_table.item(row,2).setText(target.cmd_cnt.to_s)
            @targets_table.item(row,3).setText(target.tlm_cnt.to_s)
            row += 1
          end
        end
        break if @tab_sleeper.sleep(1)
      end
    rescue Exception => error
      Qt.execute_in_main_thread(true) {|| ExceptionDialog.new(self, error, "COSMOS CTS : Targets Tab Thread")}
    end
  end
end

#initialize_actions ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 103

def initialize_actions
  super()

  # Edit actions
  @edit_clear_counters = Qt::Action.new(tr('&Clear Counters'), self)
  @edit_clear_counters.statusTip = tr('Clear counters for all interfaces and targets')
  @edit_clear_counters.connect(SIGNAL('triggered()')) { edit_clear_counters() }
end

#initialize_central_widget ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 137

def initialize_central_widget
  # Create the central widget
  @splitter = Qt::Splitter.new(Qt::Vertical, central_widget)
  setCentralWidget(@splitter)

  @tabbook = Qt::TabWidget.new
  connect(@tabbook, SIGNAL('currentChanged(int)'), self, SLOT('handle_tab_change(int)'))
  @splitter.addWidget(@tabbook)

  # Add the message output
  @output = Qt::PlainTextEdit.new
  @output.setReadOnly(true)
  @output.setMaximumBlockCount(10000) # 10000 lines of history will be displayed

  @splitter.addWidget(@output)
  # Set the stretch factor to give priority to the tabbook (index 0) instead of the output (index 1)
  @splitter.setStretchFactor(0, 1) # (index, stretch)

  # Override stdout to the message window
  # All code attempting to print into the GUI must use $stdout rather than STDOUT
  @string_output = StringIO.new("", "r+")
  $stdout = @string_output
  Logger.level = Logger::INFO

  @tab_thread = nil
end

#initialize_menus ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 112

def initialize_menus
  @file_menu = menuBar.addMenu(tr('&File'))
  @file_menu.addAction(@exit_action)

  # Do not allow clear counters in production mode
  unless @production
    @edit_menu = menuBar.addMenu(tr('&Edit'))
    @edit_menu.addAction(@edit_clear_counters)
  end

  @about_string = "#{CMD} and #{TLM} Server is the heart of the COSMOS system. "
  @about_string << "It connects to the target and processes command and telemetry requests from other tools."

  initialize_help_menu()
end

#kill_tab_thread ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 164

def kill_tab_thread
  @tab_sleeper ||= nil
  @tab_sleeper.cancel if @tab_sleeper
  Cosmos.kill_thread(self, @tab_thread)
  @tab_thread = nil
end

#meta_callback(meta_target_name, meta_packet_name) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 43

def meta_callback(meta_target_name, meta_packet_name)
  Qt.execute_in_main_thread(true) do
    result = SetTlmDialog.execute(self, 'Enter Metadata', 'Set Metadata', 'Cancel', meta_target_name, meta_packet_name)
    exit(1) unless result
  end
end

#populate_interfaces(name) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 192

def populate_interfaces(name)
  @interfaces_table ||= {}

  if name == 'Routers'
    interfaces = CmdTlmServer.routers
  else
    interfaces = CmdTlmServer.interfaces
  end

  num_interfaces = interfaces.names.length
  if interfaces.names.length > 0
    scroll = Qt::ScrollArea.new
    scroll.setMinimumSize(800, 150)
    widget = Qt::Widget.new
    layout = Qt::VBoxLayout.new(widget)
    # Since the layout will be inside a scroll area make sure it respects the sizes we set
    layout.setSizeConstraint(Qt::Layout::SetMinAndMaxSize)

    interfaces_table = Qt::TableWidget.new()
    interfaces_table.verticalHeader.hide()
    interfaces_table.setRowCount(num_interfaces)
    interfaces_table.setColumnCount(10)
    if name == 'Routers'
      interfaces_table.setHorizontalHeaderLabels(["Router", "Connect/Disconnect", "Connected?", "Clients", "Tx Q Size", "Rx Q Size", "   Bytes Tx   ", "   Bytes Rx   ", "  Cmd Pkts  ", "  Tlm Pkts  "])
    else
      interfaces_table.setHorizontalHeaderLabels(["Interface", "Connect/Disconnect", "Connected?", "Clients", "Tx Q Size", "Rx Q Size", "   Bytes Tx   ", "   Bytes Rx   ", "  Cmd Pkts  ", "  Tlm Pkts  "])
    end

    row = 0
    interfaces.all.each do |interface_name, interface|
      item = Qt::TableWidgetItem.new(tr(interface_name))
      item.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 0, item)

      if interface.connected?
        button_text = 'Disconnect'
      elsif interface.thread.nil?
        button_text = 'Connect'
      else
        button_text = 'Cancel Connect'
      end
      button = Qt::PushButton.new(button_text)
      if name == 'Routers'
        button.connect(SIGNAL('clicked()')) do
          if interface.thread
            Logger.info "User disconnecting router #{interface_name}"
            CmdTlmServer.instance.disconnect_router(interface_name)
          else
            Logger.info "User connecting router #{interface_name}"
            CmdTlmServer.instance.connect_router(interface_name)
          end
        end
      else
        button.connect(SIGNAL('clicked()')) do
          if interface.thread
            Logger.info "User disconnecting interface #{interface_name}"
            CmdTlmServer.instance.disconnect_interface(interface_name)
          else
            Logger.info "User connecting interface #{interface_name}"
            CmdTlmServer.instance.connect_interface(interface_name)
          end
        end
      end
      button.setDisabled(true) if interface.disable_disconnect
      interfaces_table.setCellWidget(row, 1, button)

      state = Qt::TableWidgetItem.new
      if interface.connected?
        state.setText('true')
        state.textColor = Cosmos::GREEN
      elsif interface.thread
        state.setText('attempting')
        state.textColor = Cosmos::YELLOW
      else
        state.setText('false')
        state.textColor = Cosmos::BLACK
      end
      state.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 2, state)

      num_clients = Qt::TableWidgetItem.new(tr(interface.num_clients.to_s))
      num_clients.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 3, num_clients)

      write_queue_size = Qt::TableWidgetItem.new(tr(interface.write_queue_size.to_s))
      write_queue_size.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 4, write_queue_size)

      read_queue_size = Qt::TableWidgetItem.new(tr(interface.read_queue_size.to_s))
      read_queue_size.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 5, read_queue_size)

      bytes_written = Qt::TableWidgetItem.new(tr(interface.bytes_written.to_s))
      bytes_written.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 6, bytes_written)

      bytes_read = Qt::TableWidgetItem.new(tr(interface.bytes_read.to_s))
      bytes_read.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 7, bytes_read)

      write_count = Qt::TableWidgetItem.new(tr(interface.write_count.to_s))
      write_count.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 8, write_count)

      read_count = Qt::TableWidgetItem.new(tr(interface.read_count.to_s))
      read_count.setTextAlignment(Qt::AlignCenter)
      interfaces_table.setItem(row, 9, read_count)

      row += 1
    end
    interfaces_table.displayFullSize

    layout.addWidget(interfaces_table)
    scroll.setWidget(widget)
    if name == 'Routers'
      @tabbook.addTab(scroll, "Routers")
      @interfaces_table['Routers'] = interfaces_table
    else
      @tabbook.addTab(scroll, "Interfaces")
      @interfaces_table['Interfaces'] = interfaces_table
    end
  end
end

#populate_log_file_info(layout) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 619

def populate_log_file_info(layout)
  CmdTlmServer.packet_logging.all.sort.each do |packet_log_writer_pair_name, packet_log_writer_pair|
    log = Qt::GroupBox.new("#{packet_log_writer_pair_name} Packet Log Writer")
    log_layout = Qt::VBoxLayout.new(log)
    interfaces = []
    CmdTlmServer.interfaces.all.each do |interface_name, interface|
      if interface.packet_log_writer_pairs.include?(packet_log_writer_pair)
        interfaces << interface.name
      end
    end

    form_layout = Qt::FormLayout.new
    @logging_layouts[packet_log_writer_pair_name] = form_layout
    label = Qt::Label.new(tr(interfaces.join(", ")))
    label.setTextInteractionFlags(Qt::TextSelectableByMouse)
    form_layout.addRow("Interfaces:", label)
    create_log_layout(form_layout, packet_log_writer_pair.cmd_log_writer, 'Cmd')
    create_log_layout(form_layout, packet_log_writer_pair.tlm_log_writer, 'Tlm')

    button_layout = Qt::HBoxLayout.new
    start_button = Qt::PushButton.new(tr('Start Cmd Logging'))
    button_layout.addWidget(start_button)
    start_button.connect(SIGNAL('clicked()')) do
      CmdTlmServer.instance.start_cmd_log(packet_log_writer_pair_name)
    end
    start_button = Qt::PushButton.new(tr('Start Tlm Logging'))
    button_layout.addWidget(start_button)
    start_button.connect(SIGNAL('clicked()')) do
      CmdTlmServer.instance.start_tlm_log(packet_log_writer_pair_name)
    end
    if @production == false
      stop_button = Qt::PushButton.new(tr('Stop Cmd Logging'))
      button_layout.addWidget(stop_button)
      stop_button.connect(SIGNAL('clicked()')) do
        CmdTlmServer.instance.stop_cmd_log(packet_log_writer_pair_name)
      end
      stop_button = Qt::PushButton.new(tr('Stop Tlm Logging'))
      button_layout.addWidget(stop_button)
      stop_button.connect(SIGNAL('clicked()')) do
        CmdTlmServer.instance.stop_tlm_log(packet_log_writer_pair_name)
      end
    end
    form_layout.addRow("Actions:", button_layout)
    log_layout.addLayout(form_layout)
    layout.addWidget(log)
  end
  layout.addWidget(Qt::Label.new(tr("Note: Buffered IO operations cause file size to not reflect total logged data size until the log file is closed.")))
end

#populate_logging ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 668

def populate_logging
  scroll = Qt::ScrollArea.new
  widget = Qt::Widget.new
  layout = Qt::VBoxLayout.new(widget)
  # Since the layout will be inside a scroll area
  # make sure it respects the sizes we set
  layout.setSizeConstraint(Qt::Layout::SetMinAndMaxSize)

  populate_logging_actions(layout)

  # Create the hash which will hold the logging layouts
  @logging_layouts = {}

  # Add the cmd/tlm log files information
  populate_log_file_info(layout)

  # Set the scroll area widget last now that all the items have been layed out
  scroll.setWidget(widget)
  @tabbook.addTab(scroll, "Logging")
end

#populate_logging_actions(layout) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 565

def populate_logging_actions(layout)
  # Add all the action buttons
  actions = Qt::GroupBox.new(tr("Actions"))
  actions_layout = Qt::VBoxLayout.new(actions)
  button_layout = Qt::GridLayout.new

  log_buttons = [
    ["Start Logging on All", [0,0], :start_logging],
    ["Stop Logging on All", [0,1], :stop_logging],
    ["Start #{TLM} Logging on All", [1,0], :start_tlm_log],
    ["Stop #{TLM} Logging on All", [1,1], :stop_tlm_log],
    ["Start #{CMD} Logging on All", [2,0], :start_cmd_log],
    ["Stop #{CMD} Logging on All", [2,1], :stop_cmd_log]
  ]

  log_buttons.each do |text, location, method|
    next if text =~ /Stop/ and @production
    button = Qt::PushButton.new(tr(text))
    button_layout.addWidget(button, location[0], location[1])
    button.connect(SIGNAL('clicked()')) do
      begin
        CmdTlmServer.instance.send(method, 'ALL')
      rescue Exception => error
        statusBar.showMessage(tr(error.message))
      end
    end
  end

  actions_layout.addLayout(button_layout)

  layout.addWidget(actions)
end

#populate_packets(name) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 450

def populate_packets(name)
  cmd_tlm = get_cmd_tlm_def(name)

  unless cmd_tlm.target_names.empty?
    count = 0
    cmd_tlm.target_names.sort.each do |target_name|
      packets = cmd_tlm.packets(target_name)
      packets.each do |packet_name, packet|
        count += 1 unless packet.hidden
      end
    end

    scroll = Qt::ScrollArea.new
    widget = Qt::Widget.new
    layout = Qt::VBoxLayout.new(widget)
    # Since the layout will be inside a scroll area
    # make sure it respects the sizes we set
    layout.setSizeConstraint(Qt::Layout::SetMinAndMaxSize)

    table = Qt::TableWidget.new()
    table.verticalHeader.hide()
    table.setRowCount(count)
    column_cnt = 4
    column_cnt += 1 if name == TLM
    table.setColumnCount(column_cnt)
    # Force the last section to fill all available space in the frame
    #~ table.horizontalHeader.setStretchLastSection(true)
    headers = ["Target Name", "Packet Name", "Packet Count", "View Raw"]
    headers << "View in Packet Viewer" if name == TLM
    table.setHorizontalHeaderLabels(headers)

    row = 0
    cmd_tlm.target_names.sort.each do |target_name|
      packets = cmd_tlm.packets(target_name)
      packets.sort.each do |packet_name, packet|
        packet.received_count ||= 0
        next if packet.hidden
        target_name_widget = Qt::TableWidgetItem.new(tr(target_name))
        target_name_widget.setTextAlignment(Qt::AlignRight | Qt::AlignVCenter)
        table.setItem(row, 0, target_name_widget)
        table.setItem(row, 1, Qt::TableWidgetItem.new(tr(packet_name)))
        packet_count = Qt::TableWidgetItem.new(tr(packet.received_count.to_s))
        packet_count.setTextAlignment(Qt::AlignCenter)
        table.setItem(row, 2, packet_count)
        view_raw = Qt::PushButton.new("View Raw")
        view_raw.connect(SIGNAL('clicked()')) do
          @raw_dialogs ||= []
          @raw_dialogs << CmdRawDialog.new(self, target_name, packet_name) if name == CMD
          @raw_dialogs << TlmRawDialog.new(self, target_name, packet_name) if name == TLM
        end
        table.setCellWidget(row, 3, view_raw)

        if name == TLM
          if target_name != 'UNKNOWN' and packet_name != 'UNKNOWN'
            view_pv = Qt::PushButton.new("View in Packet Viewer")
            view_pv.connect(SIGNAL('clicked()')) do
              if Kernel.is_windows?
                Cosmos.run_process("rubyw tools/PacketViewer -p \"#{target_name} #{packet_name}\" --system #{File.basename(System.initial_filename)}")
              elsif Kernel.is_mac? and File.exist?("tools/mac/PacketViewer.app")
                Cosmos.run_process("open tools/mac/PacketViewer.app --args -p \"#{target_name} #{packet_name}\" --system #{File.basename(System.initial_filename)}")
              else
                Cosmos.run_process("ruby tools/PacketViewer -p \"#{target_name} #{packet_name}\" --system #{File.basename(System.initial_filename)}")
              end
            end
            table.setCellWidget(row, 4, view_pv)
          else
            table_widget = Qt::TableWidgetItem.new(tr('N/A'))
            table_widget.setTextAlignment(Qt::AlignCenter)
            table.setItem(row, 4, table_widget)
          end
        end

        row += 1
      end
    end
    table.displayFullSize

    layout.addWidget(table)
    scroll.setWidget(widget)
    tab_name = "Cmd Packets" if name == CMD
    tab_name = "Tlm Packets" if name == TLM
    @tabbook.addTab(scroll, tab_name)

    @packets_table ||= {}
    @packets_table[name] = table
  end
end

#populate_status ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 729

def populate_status
  scroll = Qt::ScrollArea.new
  widget = Qt::Widget.new
  layout = Qt::VBoxLayout.new(widget)

  limits = Qt::GroupBox.new(tr("Limits Status"))
  limits_layout = Qt::FormLayout.new(limits)
  current_limits_set = System.limits_set.to_s

  known_limits_sets = System.limits.sets
  known_limits_sets = known_limits_sets.map {|x| x.to_s}.sort
  current_index = known_limits_sets.index(current_limits_set.to_s)

  @limits_set_combo = Qt::ComboBox.new
  limits_layout.addRow("Limits Set:", @limits_set_combo)
  layout.addWidget(limits)

  known_limits_sets.sort.each do |limits_set|
    @limits_set_combo.addItem(limits_set.to_s)
  end
  @limits_set_combo.setMaxVisibleItems(6)
  @limits_set_combo.setCurrentIndex(current_index)
  # Only connect to the signal that is sent when the user chooses an item.
  # If the limits set is changed programatically the code in
  # handle_status_tab will pick up the change.
  @limits_set_combo.connect(SIGNAL('activated(int)')) do
    selected_limits_set = @limits_set_combo.currentText
    if selected_limits_set
      System.limits_set = selected_limits_set.intern if System.limits_set != selected_limits_set.intern
    end
  end

  api = Qt::GroupBox.new(tr("API Status"))
  api_layout = Qt::VBoxLayout.new(api)
  @api_table = Qt::TableWidget.new()
  @api_table.verticalHeader.hide()
  @api_table.setRowCount(1)
  @api_table.setColumnCount(6)
  @api_table.setHorizontalHeaderLabels(["Port", "Num Clients", "Requests", "Requests/Sec", "Avg Request Time", "Estimated Utilization"])

  @api_table.setItem(0, 0, Qt::TableWidgetItem.new(tr(System.ports['CTS_API'].to_s)))
  item0 = Qt::TableWidgetItem.new(tr(CmdTlmServer.json_drb.num_clients.to_s))
  item0.setTextAlignment(Qt::AlignCenter)
  @api_table.setItem(0, 1, item0)
  item = Qt::TableWidgetItem.new(tr(CmdTlmServer.json_drb.request_count.to_s))
  item.setTextAlignment(Qt::AlignCenter)
  @api_table.setItem(0, 2, item)
  item2 = Qt::TableWidgetItem.new("0.0")
  item2.setTextAlignment(Qt::AlignCenter)
  @api_table.setItem(0, 3, item2)
  item3 = Qt::TableWidgetItem.new("0.0")
  item3.setTextAlignment(Qt::AlignCenter)
  @api_table.setItem(0, 4, item3)
  item4 = Qt::TableWidgetItem.new("0.0")
  item4.setTextAlignment(Qt::AlignCenter)
  @api_table.setItem(0, 5, item4)
  @api_table.displayFullSize
  api_layout.addWidget(@api_table)
  layout.addWidget(api)

  system = Qt::GroupBox.new(tr("System Status"))
  system_layout = Qt::VBoxLayout.new(system)
  @system_table = Qt::TableWidget.new()
  @system_table.verticalHeader.hide()
  @system_table.setRowCount(1)
  @system_table.setColumnCount(4)
  @system_table.setHorizontalHeaderLabels(["Threads", "Total Objs", "Free Objs", "Allocated Objs"])

  item0 = Qt::TableWidgetItem.new("0")
  item0.setTextAlignment(Qt::AlignCenter)
  @system_table.setItem(0, 0, item0)
  item1 = Qt::TableWidgetItem.new("0.0")
  item1.setTextAlignment(Qt::AlignCenter)
  @system_table.setItem(0, 1, item1)
  item2 = Qt::TableWidgetItem.new("0.0")
  item2.setTextAlignment(Qt::AlignCenter)
  @system_table.setItem(0, 2, item2)
  item3 = Qt::TableWidgetItem.new("0.0")
  item3.setTextAlignment(Qt::AlignCenter)
  @system_table.setItem(0, 3, item3)
  @system_table.displayFullSize
  system_layout.addWidget(@system_table)
  layout.addWidget(system)

  background_tasks_groupbox = Qt::GroupBox.new(tr("Background Tasks"))
  background_tasks_layout = Qt::VBoxLayout.new(background_tasks_groupbox)
  @background_tasks_table = Qt::TableWidget.new()
  @background_tasks_table.verticalHeader.hide()
  @background_tasks_table.setRowCount(CmdTlmServer.background_tasks.all.length)
  @background_tasks_table.setColumnCount(3)
  @background_tasks_table.setHorizontalHeaderLabels(["Name", "State", "Status"])

  background_tasks = CmdTlmServer.background_tasks.all
  if background_tasks.length > 0
    row = 0
    background_tasks.each_with_index do |background_task, index|
      background_task_name = background_task.name
      background_task_name = "Background Task ##{index + 1}" unless background_task_name
      background_task_name_widget = Qt::TableWidgetItem.new(background_task_name)
      background_task_name_widget.setTextAlignment(Qt::AlignCenter)
      @background_tasks_table.setItem(row, 0, background_task_name_widget)
      if background_task.thread
        status = background_task.thread.status
        status = 'complete' if status == false
        background_task_state_widget = Qt::TableWidgetItem.new(status.to_s)
      else
        background_task_state_widget = Qt::TableWidgetItem.new('no thread')
      end
      background_task_state_widget.setTextAlignment(Qt::AlignCenter)
      background_task_state_widget.setSizeHint(Qt::Size.new(80, 30))
      @background_tasks_table.setItem(row, 1, background_task_state_widget)
      background_task_status_widget = Qt::TableWidgetItem.new(background_task.status.to_s)
      background_task_status_widget.setTextAlignment(Qt::AlignCenter)
      background_task_status_widget.setSizeHint(Qt::Size.new(500, 30))
      @background_tasks_table.setItem(row, 2, background_task_status_widget)

      row += 1
    end
  end
  @background_tasks_table.displayFullSize
  background_tasks_layout.addWidget(@background_tasks_table)
  layout.addWidget(background_tasks_groupbox)

  # Set the scroll area widget last now that all the items have been layed out
  scroll.setWidget(widget)
  @tabbook.addTab(scroll, "Status")
end

#populate_targets ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 371

def populate_targets
  num_targets = System.targets.length
  if num_targets > 0
    return if num_targets == 1 and System.targets['SYSTEM']
    num_targets -= 1 if System.targets['SYSTEM']

    scroll = Qt::ScrollArea.new
    widget = Qt::Widget.new
    layout = Qt::VBoxLayout.new(widget)
    # Since the layout will be inside a scroll area make sure it respects the sizes we set
    layout.setSizeConstraint(Qt::Layout::SetMinAndMaxSize)

    @targets_table = Qt::TableWidget.new()
    @targets_table.verticalHeader.hide()
    @targets_table.setRowCount(num_targets)
    @targets_table.setColumnCount(4)
    @targets_table.setHorizontalHeaderLabels(["Target Name", "Interface", "#{CMD} Count", "#{TLM} Count"])

    row = 0
    System.targets.sort.each do |target_name, target|
      next if target_name == 'SYSTEM'
      target_name_widget = Qt::TableWidgetItem.new(tr(target_name))
      target_name_widget.setTextAlignment(Qt::AlignCenter)
      @targets_table.setItem(row, 0, target_name_widget)
      if target.interface
        interface_name_widget = Qt::TableWidgetItem.new(tr(target.interface.name.to_s))
      else
        interface_name_widget = Qt::TableWidgetItem.new(tr(''))
      end
      interface_name_widget.setTextAlignment(Qt::AlignCenter)
      @targets_table.setItem(row, 1, interface_name_widget)
      cmd_cnt = Qt::TableWidgetItem.new(tr(target.cmd_cnt.to_s))
      cmd_cnt.setTextAlignment(Qt::AlignCenter)
      @targets_table.setItem(row, 2, cmd_cnt)

      tlm_cnt = Qt::TableWidgetItem.new(tr(target.tlm_cnt.to_s))
      tlm_cnt.setTextAlignment(Qt::AlignCenter)
      @targets_table.setItem(row, 3, tlm_cnt)

      row += 1
    end
    @targets_table.displayFullSize

    layout.addWidget(@targets_table)
    scroll.setWidget(widget)
    @tabbook.addTab(scroll, "Targets")
  end
end

#process_server_messages(options) ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 988

def process_server_messages(options)
  # Start thread to read server messages
  @output_thread = Thread.new do
    begin
      while !@message_log
        sleep(1)
      end
      while true
        handle_string_output()
        break if @output_sleeper.sleep(1)
      end
    rescue Exception => error
      Qt.execute_in_main_thread(true) do
        ExceptionDialog.new(self, error, "#{options.title}: Messages Thread")
      end
    end
  end
end

#stop_callback ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 1020

def stop_callback
  handle_string_output()
  @output_sleeper.cancel
  Qt::CoreApplication.processEvents()
  Cosmos.kill_thread(self, @output_thread)
  handle_string_output()
end

#update_filename_and_logging_state ⇒ Object 



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# File 'lib/cosmos/tools/cmd_tlm_server/cmd_tlm_server_gui.rb', line 689

def update_filename_and_logging_state
  CmdTlmServer.packet_logging.all.each do |packet_log_writer_pair_name, packet_log_writer_pair|
    @logging_layouts[packet_log_writer_pair_name].itemAt(1, Qt::FormLayout::FieldRole).widget.setText(packet_log_writer_pair.cmd_log_writer.logging_enabled.to_s)
    @logging_layouts[packet_log_writer_pair_name].itemAt(2, Qt::FormLayout::FieldRole).widget.setText(packet_log_writer_pair.cmd_log_writer.queue.size.to_s)
    @logging_layouts[packet_log_writer_pair_name].itemAt(3, Qt::FormLayout::FieldRole).widget.setText(packet_log_writer_pair.cmd_log_writer.filename)
    file_size = 0
    begin
      file_size = File.size(packet_log_writer_pair.cmd_log_writer.filename) if packet_log_writer_pair.cmd_log_writer.filename
    rescue Exception
      # Do nothing on error
    end
    @logging_layouts[packet_log_writer_pair_name].itemAt(4, Qt::FormLayout::FieldRole).widget.setText(file_size.to_s)
    @logging_layouts[packet_log_writer_pair_name].itemAt(5, Qt::FormLayout::FieldRole).widget.setText(packet_log_writer_pair.tlm_log_writer.logging_enabled.to_s)
    @logging_layouts[packet_log_writer_pair_name].itemAt(6, Qt::FormLayout::FieldRole).widget.setText(packet_log_writer_pair.tlm_log_writer.queue.size.to_s)
    @logging_layouts[packet_log_writer_pair_name].itemAt(7, Qt::FormLayout::FieldRole).widget.setText(packet_log_writer_pair.tlm_log_writer.filename)
    file_size = 0
    begin
      file_size = File.size(packet_log_writer_pair.tlm_log_writer.filename) if packet_log_writer_pair.tlm_log_writer.filename
    rescue Exception
      # Do nothing on error
    end
    @logging_layouts[packet_log_writer_pair_name].itemAt(8, Qt::FormLayout::FieldRole).widget.setText(file_size.to_s)
  end
end