Class: Druzy::Upnp::UpnpService

Inherits:
Object
  • Object
show all
Defined in:
lib/druzy/upnp/upnp_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ UpnpService

Returns a new instance of UpnpService.



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# File 'lib/druzy/upnp/upnp_service.rb', line 11

def initialize(args)
            
  @service_type = args[:service_type]
  @service_id = args[:service_id]
  @location = args[:location]
  @control_url = args[:control_url]
  @event_sub_url = args[:event_sub_url]
  
  uri = URI(@location)
  xml=Net::HTTP.get(uri)
  xml_nok = Nokogiri::XML(xml)
  xml_nok.remove_namespaces!
  xml_nok.xpath('scpd/actionList/action').to_a.each do |el|
    
    action_name = el.xpath('name').text
    define_singleton_method(action_name.to_sym) do |arguments={}|
      message = <<-MESSAGE
<?xml version="1.0"?>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<s:Body>
  <u:#{action_name} xmlns:u="#{@service_type}">
      MESSAGE
      
      arguments.each do |cle, valeur|
        message.concat <<-MESSAGE
    <#{cle.to_s}>#{valeur.to_s}</#{cle.to_s}>
        MESSAGE
      end
      
      message.concat <<-MESSAGE
  </u:#{action_name}>
</s:Body>
</s:Envelope>            
      MESSAGE
      
      header = {
        "HOST" => uri.host.to_s+':'+uri.port.to_s,
        "CONTENT-LENGTH" => message.size.to_s,
        "CONTENT-TYPE" => 'text/xml; charset="utf-8"',
        "SOAPACTION" => @service_type.to_s+"#"+action_name.to_s
      }            
      
      http = Net::HTTP.new(uri.host,uri.port)
      request = Net::HTTP::Post.new(uri.request_uri,header)
      request.body = message
      response = http.request(request)
      xml = Nokogiri.XML(response.body)
      xml.remove_namespaces!

      result = {}
      xml.xpath("Envelope/Body/"+action_name.to_s+"Response").children.each do |child|
        result[child.name.to_s] = child.text
      end
      
      return result
    end

  end
  
end

Instance Attribute Details

#control_url ⇒ Object (readonly)

Returns the value of attribute control_url.



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# File 'lib/druzy/upnp/upnp_service.rb', line 9

def control_url
  @control_url
end

#event_sub_url ⇒ Object (readonly)

Returns the value of attribute event_sub_url.



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# File 'lib/druzy/upnp/upnp_service.rb', line 9

def event_sub_url
  @event_sub_url
end

#location ⇒ Object (readonly)

Returns the value of attribute location.



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# File 'lib/druzy/upnp/upnp_service.rb', line 9

def location
  @location
end

#service_id ⇒ Object (readonly)

Returns the value of attribute service_id.



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# File 'lib/druzy/upnp/upnp_service.rb', line 9

def service_id
  @service_id
end

#service_type ⇒ Object (readonly)

Returns the value of attribute service_type.



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# File 'lib/druzy/upnp/upnp_service.rb', line 9

def service_type
  @service_type
end