Class: StompMessage::StompSendTopic

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

Overview

this class manages sending and receiving messages. It uses passed code block to execute received code

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ StompSendTopic

need to define topic, host properly



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# File 'lib/stomp_message/stomp_send_topic.rb', line 16

def initialize(options={})
 # set up variables using hash
  @close_ok=false
   init_vars(options)
#  puts "host is: #{host} port is #{port}"
# using url as flag wrong
#  self.conn = Stomp::Client.new(self.login, self.password, self.host, self.port, false) if self.url ==nil

  puts "#{self.class}: Initialized host is: #{self.host} port is #{self.port} topic is #{self.topic} login #{self.} pass: #{self.password}"
  # scott old   self.conn.subscribe( self.topic, { :ack =>"auto" })  { |m| 
 #    self.conn.subscribe( self.topic, { :ack =>"client" })  { |m| 
#                                 # puts "#{self.class} msg: #{m.to_s}"
#                                   }
 # setup_auto_close
end

Instance Attribute Details

#conn ⇒ Object

Returns the value of attribute conn.



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# File 'lib/stomp_message/stomp_send_topic.rb', line 13

def conn
  @conn
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/stomp_message/stomp_send_topic.rb', line 13

def host
  @host
end

#login ⇒ Object

Returns the value of attribute login.



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# File 'lib/stomp_message/stomp_send_topic.rb', line 13

def 
  @login
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/stomp_message/stomp_send_topic.rb', line 13

def password
  @password
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/stomp_message/stomp_send_topic.rb', line 13

def port
  @port
end

#topic ⇒ Object

Returns the value of attribute topic.



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# File 'lib/stomp_message/stomp_send_topic.rb', line 13

def topic
  @topic
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/stomp_message/stomp_send_topic.rb', line 13

def url
  @url
end

Class Method Details

.open_connection(old_conn, login, pass, host, port) ⇒ Object

manage timeout etc…



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# File 'lib/stomp_message/stomp_send_topic.rb', line 50

def self.open_connection(old_conn,,pass,host,port)
    conn=old_conn
    flag=false
   begin
    conn.close if conn!=nil
    
    Timeout::timeout(5) {
         conn=nil
         conn = Stomp::Client.new(, pass, host, port, false)
         flag=true
     }
 
     rescue Timeout::Error
      puts "Timeout error: exception retrying flag is: #{flag}"
      retry  if !flag
   #   raise "timeout" 
  
     end         
      conn
end

.send_email(from, to, msg) ⇒ Object 



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# File 'lib/stomp_message/stomp_send_topic.rb', line 156

def  self.send_email(from,to,msg)
      case   Socket.gethostname
      when "svbalance.cure.com.ph"
            smtp_host='mail2.cure.com.ph'
      when "Scotts-Computer.local"
        smtp_host='mail2.cure.com.ph'
      else
        smtp_host='localhost'
      end
      
    	Net::SMTP.start(smtp_host) { |smtp|
    		smtp.send_message(msg, from, to)
  	   }
end

.send_email_stomp(from, from_alias, to, subject, message) ⇒ Object 



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# File 'lib/stomp_message/stomp_send_topic.rb', line 141

def self.send_email_stomp(from, from_alias, to, subject, message)
      #to_csv_array=to.each.join(",")
    	msg = <<EOF__RUBY_END_OF_MESSAGE
From: #{from_alias} <#{from}>
To: #{to}
Subject: #{subject} #{Time.now}
Comand ----------
#{subject}
RESPONSE -----------
#{message}
EOF__RUBY_END_OF_MESSAGE
     recipients=to.split(',')
     recipients.each {|r|  StompMessage::StompSendTopic.send_email(from,r,msg)}
    
end

Instance Method Details

#close_topic ⇒ Object

close the topic



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# File 'lib/stomp_message/stomp_send_topic.rb', line 74

def close_topic
    self.conn.unsubscribe(self.topic) if self.conn !=nil  
  #  self.conn=nil 
end

#disconnect_stomp ⇒ Object

disconnect the connection



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# File 'lib/stomp_message/stomp_send_topic.rb', line 79

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

#init_vars(options) ⇒ Object

setup_auto_close



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# File 'lib/stomp_message/stomp_send_topic.rb', line 31

def init_vars(options)
   self. =   options[:login]==nil ? '' : options[:login]
    self.url =   options[:url]== nil ? nil : options[:url]
      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/undefined' : options[:topic]  
    self.conn=nil
    puts "self url is #{self.url}"
end

#open_connection ⇒ Object 



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# File 'lib/stomp_message/stomp_send_topic.rb', line 70

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

#post_stomp(msg, headers) ⇒ Object

post stomp message to url



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

def post_stomp(msg,headers)
       
       response_header = {"Content-type" => "text/xml"}
       response_header.merge headers
       ht =Net::HTTP.start(self.host,self.port)
       r=ht.post(self.url,msg.to_xml,response_header)
       puts "url was: #{url}"
       puts "result: #{r.to_s}"
       r
end

#send_email_stomp(from, from_alias, to, subject, message) ⇒ Object

send_sms



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# File 'lib/stomp_message/stomp_send_topic.rb', line 138

def send_email_stomp(from, from_alias, to, subject, message)
  StompMessage::StompSendTopic.send_email_stomp(from,from_alias,to,subject,message)
end

#send_topic(msg, headers, &r_block) ⇒ Object 



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# File 'lib/stomp_message/stomp_send_topic.rb', line 95

def send_topic(msg, headers, &r_block)
     #  m=StompMessage::Message.new('stomp_BILLING', msg)
        open_connection
        more_headers= {'persistent'=>'false' }
        more_headers.merge headers
       self.conn.send(self.topic, msg.to_xml, more_headers, &r_block)
     #  Thread.pass
end

#send_topic_acknowledge(msg, headers, timeout = 4) ⇒ Object

be careful with the receipt topic calculations… strange errors onactive mq



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# File 'lib/stomp_message/stomp_send_topic.rb', line 104

def send_topic_acknowledge(msg, headers, timeout=4)
    #m=StompMessage::Message.new('stomp_BILLING', msg)
    open_connection
    s=rand*20   # scott - used to be 1000 but seem to create connections on activemq
    # open new topic to listen to reply...
     # was this but jms seems to blow up  receipt_topic="/topic/receipt/client#{s.to_i}"
    receipt_topic="/topic/rcpt_client#{s.to_i}"
    receipt_flag = false
   # internal_conn =  Stomp::Connection.open '', '', self.host, self.port, false 
    self.conn.subscribe( receipt_topic, { :ack =>"client" })   {|msg|
                  begin
                  Timeout::timeout(timeout) {
                      self.conn.acknowledge(msg,msg.headers)
              	      msg2= msg.body
              	       yield msg2
                   }
                   rescue Exception => e
                    puts "exception #{e.message}"
                 #   raise "timeout" 
                   ensure
                     receipt_flag=true
                     self.conn.unsubscribe receipt_topic 
                   end   
                     }
                    
    
    more_headers= {'persistent'=>'false',  'reply-to' => "#{receipt_topic}" }
    more_headers.merge headers
    self.conn.send(self.topic, msg.to_xml, more_headers )  
    Thread.new {   sleep(timeout)
                    puts "calling unsubscribe on #{receipt_topic}" if !receipt_flag
                    self.conn.unsubscribe receipt_topic if !receipt_flag
                     }       
end

#setup_auto_close ⇒ Object

only call this once



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# File 'lib/stomp_message/stomp_send_topic.rb', line 42

def setup_auto_close
  
   at_exit { puts "#{self.class}: auto close exit block"
         close_topic
         disconnect_stomp } if !@close_ok
    @close_ok=true
end