Class: Bluth::Worker

Inherits:
Storable
  • Object
show all
Includes:
WorkerBase, Daemonizable, Familia, Familia::Stamps, Logging
Defined in:
lib/bluth/worker.rb

Direct Known Subclasses

ExampleWorker

Class Attribute Summary collapse

Attributes included from Daemonizable

#log_file, #pid_file

Instance Method Summary collapse

Methods included from Daemonizable

#change_privilege, #daemonize, included, #on_restart, #pid, #restart

Methods included from Logging

#debug, debug, debug?, #log, log, #log_error, log_error, #silent, #silent=, silent?, #trace, trace, trace?

Methods included from WorkerBase

#current_job, included, #init, #kill, #name, #wid, #working!

Class Attribute Details

.interval ⇒ Object

Returns the value of attribute interval.



118
119
120
 
# File 'lib/bluth/worker.rb', line 118

def interval
  @interval
end

Instance Method Details

#run ⇒ Object 



164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
 
# File 'lib/bluth/worker.rb', line 164

def run
  begin
    @process_id = $$
    scheduler = Rufus::Scheduler.start_new
    Bluth.connect
    self.class.runblock :onstart
    Familia.info "Setting interval: #{Worker.interval} sec (queuetimeout: #{Bluth.queuetimeout})"
    Familia.reconnect_all! # Need to reconnect after daemonize
    save
    scheduler.every Worker.interval, :blocking => true do |task|
      Familia.ld "#{$$} TICK @ #{Time.now.utc}"
      sleep rand
      find_gob task
    end
    scheduler.join
        
  rescue => ex
    msg = "#{ex.class}: #{ex.message}"
    Familia.info msg
    Familia.trace :EXCEPTION, msg, caller[1] if Familia.debug?
    self.class.runblock :onexit
    destroy!
  rescue Interrupt => ex
    puts <<-EOS.gsub(/(?:^|\n)\s*/, "\n")
      Exiting...
      (You may need to wait up to #{Bluth.queuetimeout} seconds
      for this worker to exit cleanly.)
    EOS
    # We reconnect to the queue in case we're currently
    # waiting on a brpop (blocking pop) timeout.
    self.class.runblock :onexit
    destroy!
  end
  
end

#run! ⇒ Object 



146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
 
# File 'lib/bluth/worker.rb', line 146

def run!
  begin
    Bluth.connect
    self.class.runblock :onstart
    find_gob
  rescue => ex
    msg = "#{ex.class}: #{ex.message}"
    Familia.info msg
    Familia.trace :EXCEPTION, msg, caller[1] if Familia.debug?
    self.class.runblock :onexit
    destroy!
  rescue Interrupt => ex
    puts $/, "Exiting..."
    self.class.runblock :onexit
    destroy!
  end
end