Class: Riddl::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby/riddl/server.rb

Defined Under Namespace

Classes: Execution

Constant Summary collapse

OPTS =

}}}

{ 
  :host     => 'localhost',
  :port     => 9292,
  :secure   => false,
  :mode     => :debug,
  :basepath => File.expand_path(File.dirname($0)),
  :pidfile  => File.basename($0,'.rb') + '.pid',
  :conffile => File.basename($0,'.rb') + '.conf'
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(riddl, opts = {}, &blk) ⇒ Server

{{{



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# File 'lib/ruby/riddl/server.rb', line 216

def initialize(riddl,opts={},&blk)# {{{
  @riddl_opts = {}
  @riddl_opts = OPTS.merge(opts) 

  if File.exists?(@riddl_opts[:basepath] + '/' + @riddl_opts[:conffile])
    @riddl_opts.merge!(YAML::load_file(@riddl_opts[:basepath] + '/' + @riddl_opts[:conffile]))
  end
  @riddl_opts[:url] = (@riddl_opts[:secure] ? 'https://' : 'http://') + @riddl_opts[:host] + ':' + @riddl_opts[:port].to_s

  @riddl_logger             = nil
  @riddl_process_out        = true 
  @riddl_cross_site_xhr     = false
  @accessible_description   = false
  @riddl_description_string = ''
  @riddl_paths              = []  

  @riddl_interfaces = {}
  instance_exec(@riddl_opts,&blk) if block_given?

  @riddl = Riddl::Wrapper.new(riddl,@accessible_description)
  if @riddl.description?
    raise SpecificationError, 'RIDDL description does not conform to specification' unless @riddl.validate!
    @riddl_description_string = @riddl.description.xml
  elsif @riddl.declaration?
    raise SpecificationError, 'RIDDL declaration does not conform to specification' unless @riddl.validate!
    @riddl_description_string = @riddl.declaration.description_xml
  else
    raise SpecificationError, 'Not a RIDDL file'
  end

  @riddl.load_necessary_handlers!
  @riddl_paths = @riddl.paths
end

Instance Attribute Details

#riddl_log ⇒ Object (readonly)

}}}



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# File 'lib/ruby/riddl/server.rb', line 214

def riddl_log
  @riddl_log
end

#riddl_method ⇒ Object (readonly)

}}}



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# File 'lib/ruby/riddl/server.rb', line 214

def riddl_method
  @riddl_method
end

#riddl_pinfo ⇒ Object (readonly)

}}}



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# File 'lib/ruby/riddl/server.rb', line 214

def riddl_pinfo
  @riddl_pinfo
end

#riddl_status ⇒ Object (readonly)

}}}



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# File 'lib/ruby/riddl/server.rb', line 214

def riddl_status
  @riddl_status
end

Instance Method Details

#__call ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 254

def __call #{{{
  @riddl_message = @riddl.io_messages(@riddl_matching_path[0],@riddl_method,@riddl_parameters,@riddl_headers)
  if @riddl_message.nil?
    if @riddl_info[:env].has_key?('HTTP_ORIGIN') && @riddl_cross_site_xhr && @riddl_method == 'options'
      @riddl_res['Access-Control-Allow-Origin'] = '*'
      @riddl_res['Access-Control-Allow-Methods'] = 'GET, POST, PUT, DELETE, OPTIONS'
      @riddl_res['Access-Control-Allow-Headers'] = @riddl_info[:env]['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'] if @riddl_info[:env]['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']
      @riddl_res['Access-Control-Max-Age'] = '0'
      @riddl_res['Content-Length'] = '0'
      @riddl_status = 200
    else
      @riddl_log.write "501: the #{@riddl_method} parameters are not matching anything in the description.\n"
      @riddl_status = 501 # not implemented?!
    end  
  else
    if !@riddl_message.nil? && @accessible_description && @riddl_message.in.name == 'riddl-description-request' && @riddl_method == 'get' &&  '/' + @riddl_info[:s].join('/') == '/'
      run Riddl::Utils::Description::RDR, @riddl_description_string 
    elsif !@riddl_message.nil? && @accessible_description && @riddl_message.in.name == 'riddl-resource-description-request' && @riddl_method == 'get'
      @riddl_path = File.dirname('/' + @riddl_info[:s].join('/')).gsub(/\/+/,'/')
      on resource File.basename('/' + @riddl_info[:s].join('/')).gsub(/\/+/,'/') do
        run Riddl::Utils::Description::RDR, @riddl.resource_description(@riddl_matching_path[0])
      end  
    else
      if @riddl.description?
        instance_exec(@riddl_info, &@riddl_interfaces[nil])  
      elsif @riddl.declaration?
        mess = @riddl_message
        @riddl_message.route_to_a.each do |m|
          @riddl_message = m
          @riddl_path = '/'
          if m.interface.base.nil?
            if @riddl_interfaces.key? m.interface.name
              @riddl_info[:r] = m.interface.real_path(@riddl_pinfo).sub(/\//,'').split('/')
              @riddl_info[:h]['RIDDL_DECLARATION_PATH'] = @riddl_pinfo
              @riddl_info[:h]['RIDDL_DECLARATION_RESOURCE'] = m.interface.top
              @riddl_info[:s] = m.interface.sub.sub(/\//,'').split('/')
              @riddl_info.merge!(:match => matching_path)
              instance_exec(@riddl_info, &@riddl_interfaces[m.interface.name])
            else  
              @riddl_log.write "501: not implemented (for remote: add @location in declaration; for local: add to Riddl::Server).\n"
              @riddl_status = 501 # not implemented?!
              break
            end  
          else
            run Riddl::Utils::Description::Call, @riddl_exe, @riddl_pinfo, m.interface.top, m.interface.base, m.interface.des.to_doc, m.interface.real_path(@riddl_pinfo)
          end
          break if @riddl_status < 200 || @riddl_status >= 300
          @riddl_info.merge!(:h => @riddl_exe.headers, :p => @riddl_exe.response)
        end
        @riddl_message = mess
      end
    end
    if @riddl_info[:env].has_key?('HTTP_ORIGIN') && @riddl_cross_site_xhr
      @riddl_res['Access-Control-Allow-Origin'] = '*'
      @riddl_res['Access-Control-Max-Age'] = '0'
    end
  end  
end

#__http_call(env) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 370

def __http_call(env) #{{{
  Dir.chdir(@riddl_opts[:basepath]) if @riddl_opts[:basepath]

  @riddl_env = env
  @riddl_env['rack.logger'] =  @riddl_logger if @riddl_logger
  @riddl_log = @riddl_logger || @riddl_env['rack.errors'] 
  @riddl_res = Rack::Response.new
  @riddl_status = 404

  @riddl_pinfo = @riddl_env["PATH_INFO"].gsub(/\/+/,'/')
  @riddl_matching_path = @riddl_paths.find{ |e| e[1] =~ @riddl_pinfo }

  if @riddl_matching_path
    @riddl_query_string = @riddl_env['QUERY_STRING']
    @riddl_raw = @riddl_env['rack.input']

    @riddl_headers = {}
    @riddl_env.each do |h,v|
      @riddl_headers[$1] = v if h =~ /^HTTP_(.*)$/
    end
    @riddl_parameters = Protocols::HTTP::Parser.new(
      @riddl_query_string,
      @riddl_raw,
      @riddl_env['CONTENT_TYPE'],
      @riddl_env['CONTENT_LENGTH'],
      @riddl_env['HTTP_CONTENT_DISPOSITION'],
      @riddl_env['HTTP_CONTENT_ID'],
      @riddl_env['HTTP_RIDDL_TYPE']
    ).params

    @riddl_method = @riddl_env['REQUEST_METHOD'].downcase
    @riddl_path = '/'
    @riddl_info = { 
      :h => @riddl_headers,
      :p => @riddl_parameters,
      :r => @riddl_pinfo.sub(/\//,'').split('/').map{|e|Protocols::HTTP::Parser::unescape(e)}, 
      :s => @riddl_matching_path[0].sub(/\//,'').split('/'),
      :m => @riddl_method, 
      :env => @riddl_env.reject{|k,v| k =~ /^rack\./}.merge({'riddl.transport' => 'http', 'xmpp' => @riddl_opts[:xmpp]}),
      :match => []
    }

    if @riddl_info[:env]["HTTP_CONNECTION"] =~ /Upgrade/ && @riddl_info[:env]["HTTP_UPGRADE"] =~ /\AWebSocket\z/i
      # TODO raise error when declaration and route or (not route and non-local interface)
      # raise SpecificationError, 'RIDDL description does not conform to specification' unless @riddl.validate!
      @riddl_info[:m] = @riddl_method = 'websocket'
      @riddl_message = @riddl.io_messages(@riddl_matching_path[0],'websocket',@riddl_parameters,@riddl_headers)
      if @riddl.description?
        instance_exec(@riddl_info, &@riddl_interfaces[nil])
      elsif @riddl.declaration?
        # one ws connection, no overlay
        unless @riddl_message.nil?
          if @riddl_interfaces.key? @riddl_message.interface.name
            @riddl_info[:r] = @riddl_message.interface.real_path(@riddl_pinfo).sub(/\//,'').split('/')
            @riddl_info[:h]['RIDDL_DECLARATION_PATH'] = @riddl_pinfo
            @riddl_info[:h]['RIDDL_DECLARATION_RESOURCE'] = @riddl_message.interface.top
            @riddl_info[:s] = @riddl_message.interface.sub.sub(/\//,'').split('/')
            @riddl_info.merge!(:match => matching_path)
            instance_exec(@riddl_info, &@riddl_interfaces[@riddl_message.interface.name])
          end
        end  
      end  
      return [-1, {}, []]
    else
      __call
    end  
  else
    @riddl_log.write "404: this resource for sure does not exist.\n"
    @riddl_status = 404 # client requests wrong path
  end
  if @riddl_exe
    if @riddl_status >= 200 && @riddl_status < 300
      @riddl_res.write Protocols::HTTP::Generator.new(@riddl_exe.response,@riddl_res).generate.read
    end  
    @riddl_exe.headers.each do |n,h|
      @riddl_res[n] = h
    end
  end
  @riddl_res.status = @riddl_status
  @riddl_res.finish
end

#__xmpp_call(env, raw) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 313

def __xmpp_call(env,raw) #{{{
  Dir.chdir(@riddl_opts[:basepath]) if @riddl_opts[:basepath]
  @riddl_log = @riddl_logger || STDOUT

  @riddl_env = XML::Smart::Dom::Element.new(raw).parent
  @riddl_env.register_namespace 'xr', Riddl::Protocols::XMPP::XR_NS
  @riddl_res = env
  @riddl_status = 404

  @riddl_pinfo = ('/' + @riddl_env.root.attributes['to'].sub(/^[^\/]+/,'')).gsub(/\/+/,'/')
  @riddl_pinfo.gsub!(/\?(.*)/).each do
    @riddl_query_string = $1; ''
  end
  @riddl_matching_path = @riddl_paths.find{ |e| e[1] =~ @riddl_pinfo }

  if @riddl_matching_path
    @riddl_method = @riddl_env.find('string(/message/xr:operation)').downcase

    @riddl_headers = {}
    @riddl_env.find('/message/xr:header').each do |e|
      @riddl_headers[e.attributes['name']] = e.text
    end
    @riddl_parameters = Protocols::XMPP::Parser.new(
      @riddl_query_string,
      @riddl_env
    ).params

    @riddl_path = '/'
    @riddl_info = { 
      :h => @riddl_headers,
      :p => @riddl_parameters,
      :r => @riddl_pinfo.sub(/\//,'').split('/').map{|e|Protocols::HTTP::Parser::unescape(e)}, 
      :s => @riddl_matching_path[0].sub(/\//,'').split('/'),
      :m => @riddl_method, 
      :env =>  Hash[@riddl_env.root.attributes.map{|a| [a.qname.name, a.value] }].merge({ 'riddl.transport' => 'xmpp', 'xmpp' => @riddl_res }),
      :match => []
    }

    __call
  else
    @riddl_log.write "404: this resource for sure does not exist.\n"
    @riddl_status = 404 # client requests wrong path
  end

  stanza = if @riddl_exe && @riddl_status >= 200 && @riddl_status < 300
    return if @riddl_message.out.nil?
    Protocols::XMPP::Generator.new(@riddl_status,@riddl_exe.response,@riddl_exe.headers).generate
  else
    Protocols::XMPP::Error.new(@riddl_status).generate
  end

  stanza.from = raw.to
  stanza.to = raw.from
  stanza.id = raw.id
  @riddl_res.write stanza
end

#accessible_description(ad) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 466

def accessible_description(ad)# {{{
  @accessible_description = ad
end

#call(env) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 250

def call(env)# {{{
  dup.__http_call(env)
end

#cross_site_xhr(csxhr) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 460

def cross_site_xhr(csxhr)# {{{
  @riddl_cross_site_xhr = csxhr
end

#declaration_path ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 541

def declaration_path #{{{
  @riddl_info[:h]['RIDDL_DECLARATION_PATH']
end

#declaration_resource ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 544

def declaration_resource #{{{
  @riddl_info[:h]['RIDDL_DECLARATION_RESOURCE']
end

#delete(min = '*') ⇒ Object 



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# File 'lib/ruby/riddl/server.rb', line 532

def delete(min='*'); return false if @riddl_message.nil?; @riddl_path == '/' + @riddl_info[:s].join('/') && @riddl_message.in && min == @riddl_message.in.name && @riddl_method == 'delete'    end

#get(min = '*') ⇒ Object 



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# File 'lib/ruby/riddl/server.rb', line 531

def get(min='*');    return false if @riddl_message.nil?; @riddl_path == '/' + @riddl_info[:s].join('/') && @riddl_message.in && min == @riddl_message.in.name && @riddl_method == 'get'       end

#interface(name, &block) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 469

def interface(name,&block) #{{{
  @riddl_interfaces[name] = block
end

#logger(lgr) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 463

def logger(lgr)# {{{
  @riddl_logger = lgr
end

#loop! ⇒ Object

{{{



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# File 'lib/ruby/riddl/server.rb', line 54

def loop! #{{{
  ########################################################################################################################
  # parse arguments
  ########################################################################################################################
  verbose = false
  http_only = false
  operation = "start"
  ARGV.options { |opt|
    opt.summary_indent = ' ' * 4
    opt.banner = "Usage:\n#{opt.summary_indent}ruby server.rb [options] start|startclean|stop|restart|info\n"
    opt.on("Options:")
    opt.on("--http-only", "-s", "Only http, no other protocols.") { http_only = true }
    opt.on("--verbose", "-v", "Do not daemonize. Write ouput to console.") { verbose = true }
    opt.on("--help", "-h", "This text.") { puts opt; exit }
    opt.separator(opt.summary_indent + "start|stop|restart|info".ljust(opt.summary_width+1) + "Do operation start, stop, restart or get information.")
    opt.separator(opt.summary_indent + "startclean".ljust(opt.summary_width+1) + "Delete all instances before starting.")
    opt.parse!
  }
  unless %w{start startclean stop restart info}.include?(ARGV[0])
    puts ARGV.options
    exit
  end
  operation = ARGV[0]
  
  ########################################################################################################################
  # status and info
  ########################################################################################################################
  pid = File.read(@riddl_opts[:basepath] + '/' + @riddl_opts[:pidfile]).to_i rescue pid = 666
  status = Proc.new do
    begin
      Process.getpgid pid
      true
    rescue Errno::ESRCH
      false
    end
  end
  if operation == "info" && status.call == false
    puts "Server (#{@riddl_opts[:url]}) not running"
    exit
  end
  if operation == "info" && status.call == true
    puts "Server (#{@riddl_opts[:url]}) running as #{pid}"
    begin
      stats = `ps -o "vsz,rss,lstart,time" -p #{pid}`.split("\n")[1].strip.split(/ +/)
      puts "Virtual:  #{"%0.2f" % (stats[0].to_f/1024)} MiB"
      puts "Resident: #{"%0.2f" % (stats[1].to_f/1024)} MiB"
      puts "Started:  #{stats[2..-2].join(' ')}"
      puts "CPU Time: #{stats.last}"
    rescue
    end
    exit
  end
  if %w{start startclean}.include?(operation) && status.call == true
    puts "Server (#{@riddl_opts[:url]}) already started"
    exit
  end
  
  ########################################################################################################################
  # stop/restart server
  ########################################################################################################################
  if %w{stop restart}.include?(operation)
    if status.call == false
      puts "Server (#{@riddl_opts[:url]}) maybe not started?"
    else
      puts "Server (#{@riddl_opts[:url]}) stopped"
      puts "Waiting while server goes down ..."
      while status.call
        Process.kill "SIGTERM", pid
        sleep 0.3
      end  
    end
    exit unless operation == "restart"
  end
  
  ########################################################################################################################
  # start server
  ########################################################################################################################
  if operation == 'startclean'
    Dir.glob(File.expand_path(@riddl_opts[:basepath] + '/instances/*')).each do |d|
      FileUtils.rm_r(d) if File.basename(d) =~ /^\d+$/
    end
  end

  app = Rack::Builder.new self
  unless @riddl_logger.nil?
    app.use Rack::CommonLogger, @riddl_logger
  end

  server = if verbose
    Rack::Server.new(
      :app => app,
      :Port => @riddl_opts[:port],
      :environment => (@riddl_opts[:mode] == :debug ? 'development' : 'deployment'),
      :server => 'thin',
      :pid => File.expand_path(@riddl_opts[:basepath] + '/' + @riddl_opts[:pidfile])
    )
  else
    Rack::Server.new(
      :app => app,
      :Port => @riddl_opts[:port],
      :environment => 'none',
      :server => 'thin',
      :pid => File.expand_path(@riddl_opts[:basepath] + '/' + @riddl_opts[:pidfile]),
      :daemonize => true
    )
  end

  # remove LINT in any case as it breaks websockets
  server.middleware.each do |k,v|
    v.delete [Rack::Lint]
  end  

  begin
    EM.run do
      puts "Server (#{@riddl_opts[:url]}) started as PID:#{Process.pid}"
      server.start

      puts "XMPP support (#{@riddl_xmpp_jid}) active" if @riddl_xmpp_jid && @riddl_xmpp_pass && !http_only
      @riddl_opts[:xmpp] = nil
      if @riddl_xmpp_jid && @riddl_xmpp_pass && !http_only
        xmpp = Blather::Client.setup @riddl_xmpp_jid, @riddl_xmpp_pass
        @riddl_opts[:xmpp] = xmpp
        xmpp.register_handler(:message, '/message/ns:operation', :ns => 'http://riddl.org/ns/xmpp-rest') do |m|
          began_at = Time.now
          instance = dup
          instance.__xmpp_call(xmpp,m)
          now = Time.now
          instance.riddl_log.write Rack::CommonLogger::FORMAT % [
            @riddl_xmpp_jid || "-",
            m.from || "-",
            now.strftime("%d/%b/%Y %H:%M:%S"),
            instance.riddl_method.upcase,
            instance.riddl_pinfo,
            '',
            'XMPP',
            instance.riddl_status,
            '?',
            now - began_at
          ]
        end
        xmpp.connect
      end

      [:INT, :TERM].each do |signal|
        Signal.trap(signal) do
          EM.stop
        end
      end  

    end

  rescue => e 
    if e.is_a?(Blather::Stream::ConnectionFailed)
      puts "Server (#{@riddl_xmpp_jid}) stopped due to connection error (PID:#{Process.pid})"
    else  
      puts "Server (#{@riddl_opts[:url]}) stopped due to connection error (PID:#{Process.pid})"
    end
  end
end

#matching_path ⇒ Object

{{{



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# File 'lib/ruby/riddl/server.rb', line 537

def matching_path #{{{
  @riddl_path.sub(/\//,'').split('/') 
end

#method(what) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 522

def method(what)# {{{
  if !@riddl_message.nil? && what.class == Hash && what.length == 1
    met, min = what.first
    @riddl_path == @riddl_matching_path[0] && min == @riddl_message.in.name && @riddl_method == met.to_s.downcase
  else  
    false
  end
end

#on(resource, &block) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 473

def on(resource, &block)# {{{
  if @riddl_paths.empty? # default interface, when a description and "on" syntax in server
    @riddl_interfaces[nil] = block
    return
  end  

  @riddl_path << (@riddl_path == '/' ? resource : '/' + resource)

  ### only descend when there is a possibility that it holds the right path
  rp = @riddl_path.sub(/\//,'').split('/')

  block.call(@riddl_info.merge!(:match => matching_path)) if @riddl_info[:s][rp.length-1] == rp.last
  @riddl_path = File.dirname(@riddl_path).gsub(/\/+/,'/')
end

#post(min = '*') ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 530

def post(min='*');   return false if @riddl_message.nil?; @riddl_path == '/' + @riddl_info[:s].join('/') && @riddl_message.in && min == @riddl_message.in.name && @riddl_method == 'post'      end

#process_out(pout) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 452

def process_out(pout)# {{{
  @riddl_process_out = pout
end

#put(min = '*') ⇒ Object 



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# File 'lib/ruby/riddl/server.rb', line 533

def put(min='*');    return false if @riddl_message.nil?; @riddl_path == '/' + @riddl_info[:s].join('/') && @riddl_message.in && min == @riddl_message.in.name && @riddl_method == 'put'       end

#resource(rname = nil) ⇒ Object 



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# File 'lib/ruby/riddl/server.rb', line 535

def resource(rname=nil); return rname.nil? ? '{}' : rname end

#run(what, *args) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 492

def run(what,*args)# {{{
  return if @riddl_path == ''
  if what.class == Class && what.superclass == Riddl::WebSocketImplementation
    data = Riddl::Protocols::WebSocket::ParserData.new 
    data.request_path = @riddl_pinfo                                                                                                                                     
    data.request_url = @riddl_pinfo + '?' + @riddl_query_string
    data.query_string = @riddl_query_string
    data.http_method = @riddl_env['REQUEST_METHOD'] 
    data.body = @riddl_env['rack.input'].read 
    data.headers = Hash[
      @riddl_headers.map { |key, value|  [key.downcase.gsub('_','-'), value] }
    ]
    w = what.new(@riddl_info.merge!(:a => args, :version => @riddl_env['HTTP_SEC_WEBSOCKET_VERSION'], :match => matching_path))
    w.io = Riddl::Protocols::WebSocket.new(w, @riddl_env['thin.connection']) 
    w.io.dispatch(data) 
  end  
  if what.class == Class && what.superclass == Riddl::Implementation
    w = what.new(@riddl_info.merge!(:a => args, :match => matching_path))
    @riddl_exe = Riddl::Server::Execution.new(w.response,w.headers)
    @riddl_status = w.status
    if @riddl_process_out && @riddl_status >= 200 && @riddl_status < 300
      unless @riddl.check_message(@riddl_exe.response,@riddl_exe.headers,@riddl_message.out)
        @riddl_log.write "500: the return for the #{@riddl_method} is not matching anything in the description.\n"
        @riddl_status = 500
        return
      end  
    end
  end
end

#use(blk, *args) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 488

def use(blk,*args)# {{{
  instance_eval(&blk)
end

#websocket ⇒ Object 



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# File 'lib/ruby/riddl/server.rb', line 534

def websocket;       return false if @riddl_message.nil?; @riddl_path == '/' + @riddl_info[:s].join('/')                                                       && @riddl_method == 'websocket' end

#xmpp(jid, pass) ⇒ Object

}}}



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# File 'lib/ruby/riddl/server.rb', line 455

def xmpp(jid,pass)# {{{
  @riddl_xmpp_jid = jid
  @riddl_xmpp_pass = pass
  @riddl_opts[:jid] = jid
end