Class: SimpleWorker::EventServer

Inherits:
Object
  • Object
show all
Includes:
Observable, RedisSupport
Defined in:
lib/simpleworker/event_server.rb

Instance Attribute Summary

Attributes included from RedisSupport

#jobid, #namespace

Instance Method Summary collapse

Constructor Details

#initialize(redis, namespace, jobid) ⇒ EventServer

Returns a new instance of EventServer.



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# File 'lib/simpleworker/event_server.rb', line 6

def initialize(redis, namespace, jobid)
  @redis     = redis
  @namespace = namespace
  @jobid     = jobid
  load_lua_scripts
end

Instance Method Details

#pull_events ⇒ Object 



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# File 'lib/simpleworker/event_server.rb', line 13

def pull_events
  log, processing, remaining = @redis.multi do
    @redis.evalsha @lpopall_sha, [log_key]
    @redis.evalsha @expired_tasks_sha, [active_tasks_key]
    @redis.llen tasks_key
  end

  log.map { |str| JSON.parse(str) }.each do |event|
    fire(*event)
  end

  processing[0].each do |key|
    hostname, task = parse_active_task_key(key)
    fire('on_task_expire', hostname, task)
  end

  processing[1].each do |key|
    hostname, task = parse_active_task_key(key)
    fire('on_task_active', hostname, task)
  end

  remaining + processing[0].size
end