Class: StompMessage::StompServer

Inherits:
Object
  • Object
show all
Defined in:
lib/stomp_message/stomp_server.rb

Direct Known Subclasses

StompStatisticsServer

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ StompServer

Returns a new instance of StompServer.



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# File 'lib/stomp_message/stomp_server.rb', line 11

def initialize(options={})
   @my_hostname = Socket.gethostname
     self. =   options[:login]==nil ? '' : options[:login]
     num =   options[:thread_count]==nil ? '2' : options[:thread_count]
     self.thread_count=num.to_i
       self.password =   options[:password]==nil ? '' : options[:password]
   self.host =   options[:host]==nil ? 'localhost' : options[:host]
   self.port =   options[:port]==nil ? '61613' : options[:port]
   self.topic =   options[:topic]==nil ? '/topic/please_define' : options[:topic]
   puts "#{self.class}: message broker host is: #{host} port is #{port} topic is: #{self.topic} threads #{self.thread_count} my host: #{@my_hostname}"
   self.msg_count = self.exception_count=0
   self.queue= Queue.new
   self.conn=nil
   connect_connection
  #  self.conn = Stomp::Client.new self.login, self.password, self.host, self.port, false 
 # self.conn = Stomp::Connection.open self.login, self.password, self.host , self.port, false 
  connect_topic
  @debug=false
  puts "finished StompServer initializing"
  setup_auto_close
   trap("INT")   {  puts "#{Time.now}: #{self.class} in interrupt trap\n"
                     #close_topic
                     #disconnect_stomp
                     #setup_auto_close   already done in INIT
                     exit(0)}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 98

def method_missing(name, *args)
  puts "Method missing called: #{name}"
  puts "Likely invalid message recieved"
end

Instance Attribute Details

#conn ⇒ Object

Returns the value of attribute conn.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def conn
  @conn
end

#exception_count ⇒ Object

Returns the value of attribute exception_count.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def exception_count
  @exception_count
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def host
  @host
end

#login ⇒ Object

Returns the value of attribute login.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def 
  @login
end

#msg_count ⇒ Object

Returns the value of attribute msg_count.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def msg_count
  @msg_count
end

#mythreads ⇒ Object

Returns the value of attribute mythreads.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def mythreads
  @mythreads
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def password
  @password
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def port
  @port
end

#queue ⇒ Object

Returns the value of attribute queue.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def queue
  @queue
end

#thread_count ⇒ Object

Returns the value of attribute thread_count.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def thread_count
  @thread_count
end

#topic ⇒ Object

Returns the value of attribute topic.



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# File 'lib/stomp_message/stomp_server.rb', line 7

def topic
  @topic
end

Instance Method Details

#close_topic ⇒ Object

close the topic, override if necessary



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# File 'lib/stomp_message/stomp_server.rb', line 85

def close_topic
   puts "#{self.class} #{@my_hostname} unsubscribing #{self.topic}"
    self.conn.unsubscribe self.topic  if self.conn!=nil
end

#connect_connection ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 37

def connect_connection
  self.conn = StompMessage::StompSendTopic.open_connection(self.conn, self., self.password, self.host, self.port) 
end

#connect_topic ⇒ Object

name is message command



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# File 'lib/stomp_message/stomp_server.rb', line 66

def connect_topic
  # scott old ack auot
  # see http://activemq.apache.org/stomp.html for activemq.dispathAsync settig
    self.conn.subscribe( self.topic, { :ack =>"client" , 'activemq.dispatchAsync' => 'false'}) { |msg|  
       
       self.msg_count+=1
       begin	
        self.conn.acknowledge(msg,msg.headers)   
        self.queue << msg  
         
        rescue Exception => e
          self.exception_count+=1
        puts " Thread: :exception found #{e.backtrace}" 
        puts "Thread: :exception messag #{e.message}"
       end
     
      }
end

#disconnect_stomp ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 47

def disconnect_stomp
      puts "#{self.class} #{@my_hostname} closing connection"
      self.conn.close() if self.conn !=nil   
end

#handle_message(msg) ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 118

def handle_message(msg)
   puts "STOMP message frame is : #{msg} "      if @debug
   m=StompMessage::Message.load_xml(msg.body)
  # puts "Message is: #{m.to_xml}"  if @debug
   puts "Message type is #{m.command}" if @debug
   send(m.command, m, msg)  # effectively case statement  (Should SCREEN HERE)
  # puts "sms text is: #{sms.text} dest is: #{sms.destination} result is: #{res}"
end

#monitor_queue_status ⇒ Object

monitor queue



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# File 'lib/stomp_message/stomp_server.rb', line 103

def monitor_queue_status
  puts "starting up queue status"
  self.mythreads << Thread.new { while true
                 sleep(30)
                 puts "QUEUE size is: #{self.queue.size}"
                # puts "-------conn var is on #{self.conn.inspect}"
                  if !self.conn.open? 
                    puts "restarting connection"
                    self.conn=nil
                    connect_connection
                    connect_topic
                  end
               end  # while
                }
end

#run ⇒ Object

puts “sms text is: #StompMessage::StompServer.smssms.text dest is: #StompMessage::StompServer.smssms.destination result is: #res”



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# File 'lib/stomp_message/stomp_server.rb', line 126

def run
     self.mythreads = []
     1.upto(self.thread_count)   { |c|  # create the threads here
       puts "creating thread: #{c}"
       self.mythreads << Thread.new(c)   { |ctmp| 
          while true
           
             begin	
     	        msg=self.queue.pop
               handle_message(msg)   
              
              rescue Exception => e
                self.exception_count+=1
              puts " Thread: #{ctmp} :exception found #{e.backtrace}" 
              puts "Thread: #{ctmp} :exception messag #{e.message}"
              result = "-----------EXCEPTION FOUND----------\n"
              result << "ALIVE Class: #{self.class.to_s} listing to: #{self.topic} on host #{@my_hostname} msg_count #{self.msg_count} exception_count #{self.exception_count}\n"
              result << "-----exception data--------\n"
              result << " Thread: #{ctmp} :exception found #{e.backtrace}\n" 
              result << "Thread: #{ctmp} :exception messag #{e.message}"
                begin
                  StompMessage::StompSendTopic.send_email_stomp("[email protected]",
                          "STOMP EXCEPTION", "[email protected]","Thread: #{ctmp} :exception messag #{e.message}", result)
                rescue Exception => e
                   puts "Can not send email, please check smtp host setting"
                end
             end
        #   Thread.pass
          end
         }
       }
      monitor_queue_status
      self.mythreads.each { |t| t.join }
     
     
    #  msg = self.conn.receive
   	#       puts "after receive"
    #  self.msg_count+=1
    #  begin	
   #     handle_message(msg)      
    #   rescue Exception => e
   #      self.exception_count+=1
    #   puts "exception found #{e.backtrace}" 
   #    puts "exception messag #{e.message}"
    #  end
    # end  # while

  # t.join  # wait for t to die..
end

#send_reply(headers, msg) ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 51

def send_reply(headers,msg)
  reply_topic=headers['reply-to']
#  puts "headers:  #{headers['msisdn']} reply topic #{headers['reply-to']}"
     # internal_conn =  Stomp::Connection.open '', '', self.host, self.port, false 
     # scott old auto
   # scott not needed   self.conn.subscribe(reply_topic, { :ack =>"client" }) {|m|   puts "yes boring should not be called: #{m.to_s}"
             #                                    }
   #   m=StompMessage::Message.new('stomp_REPLY', msg_body)
      response_header = {'persistent'=>'false'}
      response_header.merge headers
      self.conn.send(reply_topic, msg.to_xml, response_header ) 
   #   self.conn.unsubscribe reply_topic  #testing shoul call this but not certain about it
  #    internal_conn.disconnect
end

#setup_auto_close ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 40

def setup_auto_close
  at_exit { puts "#{self.class}: in at exit block"
            close_topic
            disconnect_stomp 
           # self.mythreads.each {|t| t.raise "auto exit" }
          }
end

#stomp_DEBUG(msg, stomp_msg) ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 94

def stomp_DEBUG(msg,stomp_msg)
   @debug=!@debug
   puts "debug flag is now #{@debug}"
end

#stomp_PING(msg, stomp_msg) ⇒ Object 



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# File 'lib/stomp_message/stomp_server.rb', line 89

def stomp_PING(msg,stomp_msg)
  body="ALIVE Class: #{self.class.to_s} listing to: #{self.topic} on host #{@my_hostname} msg_count #{self.msg_count} exception_count #{self.exception_count}"
   reply_msg = StompMessage::Message.new('stomp_REPLY', body)
   send_reply(stomp_msg.headers,reply_msg) if stomp_msg.headers['reply-to']!=nil
end