Class: RServiceBus::MQBeanstalk
- Defined in:
- lib/rservicebus/mq/beanstalk.rb
Overview
Beanstalk client implementation.
Instance Attribute Summary
Attributes inherited from MQ
Instance Method Summary collapse
- #ack ⇒ Object
-
#connect(host, port) ⇒ Object
Connect to the broker.
-
#pop ⇒ Object
Get next msg from queue.
- #return_to_queue ⇒ Object
- #send(queue_name, msg) ⇒ Object
- #subscribe(queuename) ⇒ Object
Methods inherited from MQ
Constructor Details
This class inherits a constructor from RServiceBus::MQ
Instance Method Details
#ack ⇒ Object
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# File 'lib/rservicebus/mq/beanstalk.rb', line 56 def ack @job.delete @job = nil end |
#connect(host, port) ⇒ Object
Connect to the broker
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# File 'lib/rservicebus/mq/beanstalk.rb', line 8 def connect(host, port) port ||= 11_300 string = "#{host}:#{port}" begin @beanstalk = Beanstalk::Pool.new([string]) @max_job_size = @beanstalk.stats['max-job-size'] if @max_job_size < 4_194_304 puts "***WARNING: Lowest recommended.max-job-size is 4m, current max-job-size, #{@max_job_size.to_f / (1024 * 1024)}m" puts '***WARNING: Set the job size with the -z switch, eg /usr/local/bin/beanstalkd -z 4194304' end rescue StandardError => e puts 'Error connecting to Beanstalk' puts "Host string, #{string}" if e. == 'Beanstalk::NotConnected' puts '***Most likely, beanstalk is not running. Start beanstalk, and try running this again.' puts "***If you still get this error, check beanstalk is running at, #{string}" else puts e. puts e.backtrace end abort end end |
#pop ⇒ Object
Get next msg from queue
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# File 'lib/rservicebus/mq/beanstalk.rb', line 42 def pop begin @job = @beanstalk.reserve @timeout rescue StandardError => e raise NoMsgToProcess if e. == 'TIMED_OUT' raise e end @job.body end |
#return_to_queue ⇒ Object
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# File 'lib/rservicebus/mq/beanstalk.rb', line 52 def return_to_queue @job.release end |
#send(queue_name, msg) ⇒ Object
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# File 'lib/rservicebus/mq/beanstalk.rb', line 61 def send(queue_name, msg) if msg.length > @max_job_size puts '***Attempting to send a msg which will not fit on queue.' puts "***Msg size, #{msg.length}, max msg size, #{@max_job_size}." fail JobTooBigError, "Msg size, #{msg.length}, max msg size, #{@max_job_size}" end @beanstalk.use(queue_name) @beanstalk.put(msg) end |
#subscribe(queuename) ⇒ Object
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# File 'lib/rservicebus/mq/beanstalk.rb', line 37 def subscribe(queuename) @beanstalk.watch(queuename) end |