Class: UWA::Server

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/uwa/server.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server 



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# File 'lib/uwa/server.rb', line 13

def initialize
  @host = '0.0.0.0'
  @port = 42080
  @debug = true
  @reload = true
  @widgets = []
  @mongrel = nil
  @plugins = []
end

Instance Attribute Details

#debug ⇒ Object

Returns the value of attribute debug.



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# File 'lib/uwa/server.rb', line 11

def debug
  @debug
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/uwa/server.rb', line 11

def host
  @host
end

#plugins ⇒ Object

Returns the value of attribute plugins.



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# File 'lib/uwa/server.rb', line 11

def plugins
  @plugins
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/uwa/server.rb', line 11

def port
  @port
end

#reload ⇒ Object

Returns the value of attribute reload.



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# File 'lib/uwa/server.rb', line 11

def reload
  @reload
end

Class Method Details

.method_missing(name, *args) ⇒ Object 



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# File 'lib/uwa/server.rb', line 7

def self.method_missing(name, *args)
  self.instance.send(name, *args)
end

Instance Method Details

#<<(config) ⇒ Object 



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# File 'lib/uwa/server.rb', line 23

def <<(config)
  @plugins = UWA::Plugin.load if @plugins.empty?

  begin
    @widgets << @plugins[config[:name]].merge(config)
  rescue
    log(:warning, "Unable to configure #{config[:name].inspect} at #{config[:path].inspect}")
  else
    log(:info, "Configure #{config[:name].inspect} at #{config[:path].inspect}")
  end
end

#log(level, msg) ⇒ Object 



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# File 'lib/uwa/server.rb', line 71

def log(level, msg)
  return unless @debug
  if msg.is_a? Array
    msg.each { |l| STDERR.puts "       " + l }
  else
    STDERR.puts "#{Time.now}: #{level.to_s.upcase}: #{msg}"
  end
  STDERR.flush
end

#run ⇒ Object 



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# File 'lib/uwa/server.rb', line 35

def run
  begin
    $mongrel_debug_client = @debug
    @mongrel = Mongrel::HttpServer.new(@host, @port) if @mongrel.nil?
    @widgets.each do |widget|
      unless @mongrel.classifier.uris.include?(widget[:path])
        object = widget[:class].new
        object.base = widget[:base]
        object.script = widget[:script]
        object.css = widget[:css]
        widget[:params].to_a.each do |name, value|
          object.instance_variable_set(('@' + name.to_s).to_sym, value)
        end
        @mongrel.register(widget[:path], object)
        log(:info, "Register #{widget[:name].inspect} at #{widget[:path].inspect}")
      end
    end
    unless @mongrel.classifier.uris.include?('/proxy')
      @mongrel.register('/proxy', UWA::Proxy.new)
      log(:info, "Proxy at \"/proxy\"")
    end
    log(:info, "Ready to serve")
    @mongrel.run.join
  rescue Interrupt
    # Do nothing
    log(:info, "Shutdown")
  rescue Exception
    @mongrel.graceful_shutdown unless @mongrel.nil?
    log :error , $!.message
    log :error, $!.backtrace
    log :error, "Retrying in 5 seconds..."
    sleep(5)
    retry
  end
end