Class: RemoteStreamListModel

Inherits:
DataStreamListModel show all
Defined in:
lib/roby/log/gui/runtime.rb

Instance Attribute Summary collapse

Attributes inherited from DataStreamListModel

#streams

Instance Method Summary collapse

Methods inherited from DataStreamListModel

#add_new, #data, #edit_at, #flags, #insertRow, #removeRow, #rowCount

Constructor Details

#initialize(streams) ⇒ RemoteStreamListModel

Returns a new instance of RemoteStreamListModel.



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# File 'lib/roby/log/gui/runtime.rb', line 10

def initialize(streams)
  super
  @known_servers = []
end

Instance Attribute Details

#known_servers ⇒ Object (readonly)

Returns the value of attribute known_servers.



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# File 'lib/roby/log/gui/runtime.rb', line 9

def known_servers
  @known_servers
end

Instance Method Details

#update ⇒ Object

Update the list of available servers and streams



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# File 'lib/roby/log/gui/runtime.rb', line 16

def update
  Roby::Log::Server.available_servers.each do |server|
 unless known_servers.find { |str| str.server == server }
    begin
  known_servers << Roby::Log::Client.new(server)
    rescue DRb::DRbConnError
    end
 end
  end

  known_servers.delete_if { |s| !s.connected? }

  found_streams = []
  known_servers.delete_if do |server|
 begin
    server.streams.each do |stream|
  found_streams << stream
  unless streams.include?(stream)
      server.subscribe(stream)
      add_new(stream)
  end
    end
    false
 rescue DRb::DRbConnError
    s.disconnect
    true
 end
  end

  (streams - found_streams).each do |s|
 row = streams.index(s)
 removeRow(row, Qt::ModelIndex.new)
  end
end