Class: Sidekiq::Manager
- Inherits:
-
Object
- Object
- Sidekiq::Manager
- Defined in:
- lib/sidekiq/manager.rb
Overview
The main router in the system. This manages the processor state and accepts messages from Redis to be dispatched to an idle processor.
Constant Summary
Constants included from Util
Instance Attribute Summary collapse
-
#busy ⇒ Object
readonly
Returns the value of attribute busy.
-
#fetcher ⇒ Object
Returns the value of attribute fetcher.
-
#ready ⇒ Object
readonly
Returns the value of attribute ready.
Instance Method Summary collapse
- #assign(work) ⇒ Object
-
#initialize(options = {}) ⇒ Manager
constructor
A new instance of Manager.
- #processor_died(processor, reason) ⇒ Object
- #processor_done(processor) ⇒ Object
- #procline(tag) ⇒ Object
-
#real_thread(proxy_id, thr) ⇒ Object
A hack worthy of Rube Goldberg.
- #start ⇒ Object
- #stop(options = {}) ⇒ Object
- #when_done(&blk) ⇒ Object
Methods included from Actor
Methods included from Util
#hostname, #logger, #process_id, #redis, #watchdog
Methods included from ExceptionHandler
Constructor Details
#initialize(options = {}) ⇒ Manager
Returns a new instance of Manager.
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# File 'lib/sidekiq/manager.rb', line 22 def initialize(={}) logger.debug { .inspect } @count = [:concurrency] || 25 @done_callback = nil @in_progress = {} @threads = {} @done = false @busy = [] @ready = @count.times.map do p = Processor.new_link(current_actor) p.proxy_id = p.object_id p end end |
Instance Attribute Details
#busy ⇒ Object (readonly)
Returns the value of attribute busy.
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# File 'lib/sidekiq/manager.rb', line 19 def busy @busy end |
#fetcher ⇒ Object
Returns the value of attribute fetcher.
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# File 'lib/sidekiq/manager.rb', line 20 def fetcher @fetcher end |
#ready ⇒ Object (readonly)
Returns the value of attribute ready.
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# File 'lib/sidekiq/manager.rb', line 18 def ready @ready end |
Instance Method Details
#assign(work) ⇒ Object
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# File 'lib/sidekiq/manager.rb', line 97 def assign(work) watchdog("Manager#assign died") do if stopped? # Race condition between Manager#stop if Fetcher # is blocked on redis and gets a message after # all the ready Processors have been stopped. # Push the message back to redis. work.requeue else processor = @ready.pop @in_progress[processor.object_id] = work @busy << processor processor.async.process(work) end end end |
#processor_died(processor, reason) ⇒ Object
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# File 'lib/sidekiq/manager.rb', line 80 def processor_died(processor, reason) watchdog("Manager#processor_died died") do @in_progress.delete(processor.object_id) @threads.delete(processor.object_id) @busy.delete(processor) unless stopped? p = Processor.new_link(current_actor) p.proxy_id = p.object_id @ready << p dispatch else signal(:shutdown) if @busy.empty? end end end |
#processor_done(processor) ⇒ Object
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# File 'lib/sidekiq/manager.rb', line 64 def processor_done(processor) watchdog('Manager#processor_done died') do @done_callback.call(processor) if @done_callback @in_progress.delete(processor.object_id) @threads.delete(processor.object_id) @busy.delete(processor) if stopped? processor.terminate if processor.alive? signal(:shutdown) if @busy.empty? else @ready << processor if processor.alive? end dispatch end end |
#procline(tag) ⇒ Object
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# File 'lib/sidekiq/manager.rb', line 122 def procline(tag) "sidekiq #{Sidekiq::VERSION} #{tag}[#{@busy.size} of #{@count} busy]#{stopped? ? ' stopping' : ''}" end |
#real_thread(proxy_id, thr) ⇒ Object
A hack worthy of Rube Goldberg. We need to be able to hard stop a working thread. But there’s no way for us to get handle to the underlying thread performing work for a processor so we have it call us and tell us.
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# File 'lib/sidekiq/manager.rb', line 118 def real_thread(proxy_id, thr) @threads[proxy_id] = thr end |
#start ⇒ Object
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# File 'lib/sidekiq/manager.rb', line 56 def start @ready.each { dispatch } end |
#stop(options = {}) ⇒ Object
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# File 'lib/sidekiq/manager.rb', line 38 def stop(={}) watchdog('Manager#stop died') do shutdown = [:shutdown] timeout = [:timeout] @done = true logger.info { "Shutting down #{@ready.size} quiet workers" } @ready.each { |x| x.terminate if x.alive? } @ready.clear clear_worker_set return after(0) { signal(:shutdown) } if @busy.empty? hard_shutdown_in timeout if shutdown end end |
#when_done(&blk) ⇒ Object
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# File 'lib/sidekiq/manager.rb', line 60 def when_done(&blk) @done_callback = blk end |