Class: EventWindow

Inherits:
Object
  • Object
show all
Defined in:
lib/gui/event_window.rb

Constant Summary collapse

EVENT_WINDOW_TITLE = 
"Event Browser"
CORE_EVENT_TYPE =

event type

"core"
PORT_EVENT_TYPE = 
"port"
AVAIL_EVENT_TYPE = 
"interface"
TRAP_EVENT_TYPE = 
"trap"
CUSTOM_EVENT_TYPE = 
"custom"
SNMP_EVENT_TYPE = 
"snmp"
WMI_EVENT_TYPE = 
"wmi"
JMX_EVENT_TYPE = 
"jmx"
SYSLOG_EVENT_TYPE = 
"syslog"
HTTP_EVENT_TYPE = 
"http"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EventWindow

Returns a new instance of EventWindow.



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# File 'lib/gui/event_window.rb', line 241

def initialize()

  @statusbar=nil
  @in_statusbar = Mutex.new
  @list=nil
  clean()
  
  #################################################
  #create thread to handle new events
  #
  @buff=MsgBuffer.new(1)
  @event_analyzer_thread_status = 1
  @event_analyzer_thread = Thread.start do
        while (@event_analyzer_thread_status)
           analyze_event if @buff.full?
           sleep(1)
     Thread.pass
    end
        $log.debug("end of EventAnalyzer thread")
    end

  #################################################
  #GUI part
  #
  @window=Gtk::Window.new
  @window.signal_connect("delete_event") do
    self.hide()
  end

  @window.signal_connect("key_press_event") {|w,e|
    if e.keyval == Gdk::Keyval::GDK_Escape
    self.hide()
    end
  }

  @window.set_size_request(600, 100)
  @window.set_title(EVENT_WINDOW_TITLE)
  @window.set_icon("#{PIXMAP_PATH}/logo_icon.png")

  box1 = Gtk::VBox.new(false, 0)
  @window.add(box1)

  box1.show
  box11 = Gtk::VBox.new(false, 0)
  box11.show

#------------begin scrolledbar--------------------------------------
  scrolled_window = Gtk::ScrolledWindow.new(nil, nil)
  scrolled_window.border_width=0
  scrolled_window.set_policy(Gtk::POLICY_AUTOMATIC,
                             Gtk::POLICY_AUTOMATIC)
  # scrolled_window.vscrollbar.unset_flag(Gtk::CAN_FOCUS)
  box1.pack_start(scrolled_window, true, true, 0)
  
  scrolled_window.add_with_viewport(box11)
  box11.set_focus_vadjustment(scrolled_window.vadjustment)
  scrolled_window.show
#----------------end scrolledbar-----------------------------------


@list = Gtk::CList::new(["Event ID", "Level", "Module","Timestamp", "Node", "Summary" ])
@list.set_sort_column(1,4)
#@list.selection.set_mode(Gtk::SELECTION_MULTIPLE)
# Create a popup menu
menu = Gtk::Menu.new

item_ack = Gtk::MenuItem.new("Acknowledge event")
item_ack.signal_connect("activate") { acknowledge_event() }
menu.append(item_ack)

item_clear = Gtk::MenuItem.new("Clear display")
item_clear.signal_connect("activate") { @list.clear() }
menu.append(item_clear)

item_remove_filter = Gtk::MenuItem.new("Remove src filter")
item_remove_filter.signal_connect("activate") { filter_by_node() }
menu.append(item_remove_filter)


map_menu_severity=Gtk::MenuItem.new("Severity threshold")
map_menu_severity_list=Gtk::Menu.new
radio_menu_grp=nil
for level in $LEVEL
  rmi=Gtk::RadioMenuItem.new(radio_menu_grp,"#{level}")
  if level == $level_view
    rmi.set_active(true)
  end
   rmi.signal_connect("activate") do |widget|
      if widget.active?
           filter_by_sev(widget.child.label)
      end
    end
  radio_menu_grp=rmi.group
  map_menu_severity_list.append(rmi)
end
map_menu_severity.set_submenu(map_menu_severity_list)
menu.append(map_menu_severity)

menu.show_all

@list.signal_connect("cursor-changed") do |widget, event|
  iter=widget.selection.selected
  ip=widget.get_value(iter,5)

  if ip != nil
      if $network.has_key?(ip)
        set_map($network[ip].map)
        $network[ip].node_view.select()
      else
        #verify that node exist
        if $host[ip] != nil
          set_map($host[ip].map)
         $host[ip].node_view.select()
        end
      end
  end
end

@list.signal_connect("button_press_event") do |widget, event|
  if event.kind_of? Gdk::EventButton  and event.button == 3
    if @list.nb_event > 0
      item_clear.set_sensitive(true)
    else
      item_clear.set_sensitive(false)
    end
    if @filter_active
      item_remove_filter.set_sensitive(true)
    else
      item_remove_filter.set_sensitive(false)
    end
      menu.popup(nil, nil, event.button, event.time)

  end
end

@list.signal_connect("key_press_event") {|w, e| 
  if (e.keyval == Gdk::Keyval::GDK_Delete) || (e.keyval == Gdk::Keyval::GDK_d)
    hide_event()
  end
}

 @list.show
 box11.add @list

#---------------------begin statusbar---------

    @statusbar = Gtk::Statusbar.new
    
    vvbox = Gtk::VButtonBox.new
    vvbox.border_width=0
    vvbox.set_layout_style(Gtk::ButtonBox::END)
    vvbox.set_spacing(0)
    vvbox.set_size_request(200, 20)
    vvbox.show

    box1.pack_start(@statusbar,false,false,0)
    
    @statusbar.show
    @statusbar.signal_connect("text_popped") do |o, mid, text|
      popped(mid,text)
    end
    @statusbar.signal_connect("text_pushed") do |o, mid, text|
      pushed(mid,text)
    end

#---------------------end status bar----------

end

Instance Method Details

#acknowledge_event ⇒ Object 



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# File 'lib/gui/event_window.rb', line 215

def acknowledge_event()
  hide_event()
end

#add_event(src_module, category, node, summary, datetime = nil, state = 'N') ⇒ Object

add event in list state can be normal N or acknowledge A



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# File 'lib/gui/event_window.rb', line 128

def add_event(src_module, category, node, summary, datetime=nil, state='N')
  if node
    ip_str = node.ip
    #puts "in add_event #{ip_str} #{summary}"
    text = []
    index_pos=@event_strings.length()+1
    text.push index_pos.to_s
    text.push category
    text.push src_module
    if datetime == nil
      datetime=Time.new.to_s
    end
    text.push datetime
    text.push ip_str
    text.push summary

    if filter_on_node(ip_str) || @filter_active == false
      if $LEVEL.index(category)>=$LEVEL.index($level_view)
        @buff.put Marshal.load(Marshal.dump(text))
      end
    end
    text.push state
    #in event_strings there is one more column: state
    @event_strings.push(text)

    alarm_handle(src_module, category, ip_str, summary, datetime)
    update_node_notification(get_status_from_level(category), ip_str)
    update_statusbar()
  end
end

#analyze_event ⇒ Object 



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# File 'lib/gui/event_window.rb', line 227

def analyze_event()
   while @buff.has_more?     
      event=@buff.get
      #puts "in analyze_event: #{@buff.has_more?} #{event}"
      @list.prepend(event)      
   end
end

#clean ⇒ Object 



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# File 'lib/gui/event_window.rb', line 235

def clean()
  @event_strings=[]
  @filter_active=false
  @filter_node=nil
end

#filter_by_node(node = nil) ⇒ Object

show logs for this specific node, node=nil to show all logs



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# File 'lib/gui/event_window.rb', line 69

def filter_by_node(node=nil)
  @list.clear()
  if node
    @filter_active=true
    @filter_node=node
    @event_strings.each {|pos, category, src_module, time, ip, summary, state|
    if state != "A"
      if filter_on_node(ip) && ($LEVEL.index(category)>=$LEVEL.index($level_view))
       text = []
       text.push pos
       text.push category
       text.push src_module
       text.push time
       text.push ip
       text.push summary
       @list.prepend(text)
      end
    end
    }
    @window.set_title(EVENT_WINDOW_TITLE + " filter #{$level_view} from #{node.ip}")
  else
    @filter_active=false
    @filter_node=nil
    @event_strings.each {|pos, category, src_module, time, ip, summary, state|
    if state != "A"
      if ($LEVEL.index(category)>=$LEVEL.index($level_view))
        text = []
        text.push pos
        text.push category
        text.push src_module
        text.push time
        text.push ip
        text.push summary
        @list.prepend(text)
      end
    end
    }
    @window.set_title(EVENT_WINDOW_TITLE)
  end
end

#filter_by_sev(sev) ⇒ Object 



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# File 'lib/gui/event_window.rb', line 57

def filter_by_sev(sev)
  $level_view = sev
  if @filter_node
    filter_by_node(@filter_node)
  else
    filter_by_node()
  end
end

#filter_on_node(ip_str) ⇒ Object

define if ip is part of the filter tag



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# File 'lib/gui/event_window.rb', line 113

def filter_on_node(ip_str)
  if @filter_node == nil
    return false
  end
  if exist_network(@filter_node.ip)
    #we want to retrieve events from all a network
    return $network[@filter_node.ip].contain_host(ip_str)   
  end
  return ip_str == @filter_node.ip
end

#hide ⇒ Object

hide the window



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# File 'lib/gui/event_window.rb', line 49

def hide()
  if $canvas.fullscreen?()
    @window.set_modal(false)
    @window.set_transient_for(nil)
  end
  return @window.hide()
end

#hide_event ⇒ Object 



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# File 'lib/gui/event_window.rb', line 159

def hide_event()
  iter = @list.selection.selected
  if iter != nil
    #set state to aknowledge
      list_id=@list.get_value(iter,1)
    event_id=list_id.to_i()-1
     if @event_strings[event_id] != nil
    @event_strings[event_id][6]='A'
    #real time events sev need to be caught
    if @event_strings[event_id][2] != CORE_EVENT_TYPE
      event_type=@event_strings[event_id][2]
      max_lev=nil
      @event_strings.each {|pos, category, src_module, time, ip, summary, state|
      if (src_module == event_type) && (state != "A")
        if (max_lev != nil)
          if ($LEVEL.index(category) > $LEVEL.index(max_lev))
            max_lev=category
          end
        else
          max_lev=category
        end
      end
      }
      if max_lev != nil
        max_lev_status=get_status_from_level(max_lev)
        if $host[@event_strings[event_id][4]] != nil
          $host[@event_strings[event_id][4]].set_severity(event_type, $status.index(max_lev_status))
        end
      else
        if $host[@event_strings[event_id][4]] != nil
          $host[@event_strings[event_id][4]].set_severity(event_type, $status.index("UNMANAGED"))
        end       
      end
    end
    #update notification icon
    print "in hide_event #{@event_strings[event_id][4]} #{$status_value[$status.index(get_status_from_level(@event_strings[event_id][1]))]}\n"
    ip = @event_strings[event_id][4]
    if $host[ip] and $host[ip].node_view
       sev=$status_value[$status.index(get_status_from_level(@event_strings[event_id][1]))]
       if sev > NORMAL
          $host[ip].node_view.del_notification(sev)
       end
    end
    #remove from gui
    @list.remove(iter) unless iter == nil
    end
  end
end

#popped(mid, text) ⇒ Object 



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# File 'lib/gui/event_window.rb', line 470

def popped(mid,text)
end

#pushed(mid, text) ⇒ Object 



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# File 'lib/gui/event_window.rb', line 467

def pushed(mid,text)
end

#save_event ⇒ Object 



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# File 'lib/gui/event_window.rb', line 443

def save_event()
  iter_zero=@list.model.get_iter("0")
  if iter_zero != nil
    #we extract the timestamp of the first entry
    bbeg= @list.get_value(iter_zero,4)
    vall=@list.nb_event-1
    #we extract the timestamp of the last entry
    bend=@list.get_value(@list.model.get_iter("#{vall}"),4)
  
    #filename is base on the timestamp of the first and last entry
    begin
      filepath="#{LOG_DIR}/#{bend}-#{bbeg}"
      $log.info("Saving log to #{filepath}")
      fic = File.new(filepath,'w')
      for row in 0..@list.nb_event-1
          fic.puts(@list.get_value(@list.model.get_iter("#{row}"),4)+"\t"+@list.get_value(@list.model.get_iter("#{row}"),3)+"\t"+@list.get_value(@list.model.get_iter("#{row}"),2)+"\t"+@list.get_value(@list.model.get_iter("#{row}"),5)+"\t"+@list.get_value(@list.model.get_iter("#{row}"),6))
      end
      fic.close
   rescue
     $log.error("Can't write log to #{LOG_DIR}")
   end
  end
end

#show ⇒ Object

show the window



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# File 'lib/gui/event_window.rb', line 37

def show()
  if $canvas.fullscreen?()
    @window.set_modal(true)
    @window.set_transient_for($win)
  end
  @window.deiconify()
  return @window.show()
end

#stop_analyzer ⇒ Object 



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# File 'lib/gui/event_window.rb', line 219

def stop_analyzer()
   if @event_analyzer_thread.alive?
     @event_analyzer_thread_status = 0
     Thread.kill(@event_analyzer_thread)
   end
end

#update_node_notification(sev, ip) ⇒ Object 



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# File 'lib/gui/event_window.rb', line 208

def update_node_notification(sev, ip)
   sev_value = $status_value[$status.index(sev)]
   if sev_value > NORMAL
    $host[ip].node_view.add_notification(sev_value)
   end
end

#update_statusbar ⇒ Object

update status bar (active host) / (total host) also update the statusicon if exists



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# File 'lib/gui/event_window.rb', line 414

def update_statusbar()
  @in_statusbar.synchronize {
    hup=0
    hdown=0
    if @statusbar != nil
      begin
  $host.each_key {|ip|
          if $host[ip] && ($host[ip].status == NORMAL)
            hup=hup+1
          else
            hdown=hdown+1
          end
  }
      rescue Exception => msg
  $log.error(msg)
      end
      str="Active Host" + ($host.size<2?" ":"s ") + "#{hup}/#{$host.size}"
      @statusbar.push(1, str)
      if $icon && $icon.embedded?
  $icon.set_tooltip(str)
      end
    end
  }
end

#updating_statusbar? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gui/event_window.rb', line 439

def updating_statusbar?()
   @in_statusbar.locked?
end

#visible? ⇒ Boolean

end event type

return if window is visible

Returns:

  • (Boolean) 


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# File 'lib/gui/event_window.rb', line 30

def visible?()
  return @window.visible?()
end