Class: Puma::Cluster::WorkerHandle
- Inherits:
-
Object
- Object
- Puma::Cluster::WorkerHandle
- Defined in:
- lib/puma/cluster/worker_handle.rb
Overview
This class represents a worker process from the perspective of the puma master process. It contains information about the process and its health and it exposes methods to control the process via IPC. It does not include the actual logic executed by the worker process itself. For that, see Puma::Cluster::Worker.
Instance Attribute Summary collapse
-
#index ⇒ Object
readonly
Returns the value of attribute index.
-
#last_checkin ⇒ Object
readonly
Returns the value of attribute last_checkin.
-
#last_status ⇒ Object
readonly
Returns the value of attribute last_status.
-
#phase ⇒ Object
Returns the value of attribute phase.
-
#pid ⇒ Object
Returns the value of attribute pid.
-
#signal ⇒ Object
readonly
Returns the value of attribute signal.
-
#started_at ⇒ Object
readonly
Returns the value of attribute started_at.
Instance Method Summary collapse
- #boot! ⇒ Object
- #booted? ⇒ Boolean
- #hup ⇒ Object
-
#initialize(idx, pid, phase, options) ⇒ WorkerHandle
constructor
A new instance of WorkerHandle.
- #kill ⇒ Object
- #ping!(status) ⇒ Object
- #ping_timeout ⇒ Object
- #term ⇒ Object
- #term? ⇒ Boolean
Constructor Details
#initialize(idx, pid, phase, options) ⇒ WorkerHandle
Returns a new instance of WorkerHandle.
11 12 13 14 15 16 17 18 19 20 21 22 23 |
# File 'lib/puma/cluster/worker_handle.rb', line 11 def initialize(idx, pid, phase, ) @index = idx @pid = pid @phase = phase @stage = :started @signal = "TERM" @options = @first_term_sent = nil @started_at = Time.now @last_checkin = Time.now @last_status = {} @term = false end |
Instance Attribute Details
#index ⇒ Object (readonly)
Returns the value of attribute index.
25 26 27 |
# File 'lib/puma/cluster/worker_handle.rb', line 25 def index @index end |
#last_checkin ⇒ Object (readonly)
Returns the value of attribute last_checkin.
25 26 27 |
# File 'lib/puma/cluster/worker_handle.rb', line 25 def last_checkin @last_checkin end |
#last_status ⇒ Object (readonly)
Returns the value of attribute last_status.
25 26 27 |
# File 'lib/puma/cluster/worker_handle.rb', line 25 def last_status @last_status end |
#phase ⇒ Object
Returns the value of attribute phase.
25 26 27 |
# File 'lib/puma/cluster/worker_handle.rb', line 25 def phase @phase end |
#pid ⇒ Object
Returns the value of attribute pid.
25 26 27 |
# File 'lib/puma/cluster/worker_handle.rb', line 25 def pid @pid end |
#signal ⇒ Object (readonly)
Returns the value of attribute signal.
25 26 27 |
# File 'lib/puma/cluster/worker_handle.rb', line 25 def signal @signal end |
#started_at ⇒ Object (readonly)
Returns the value of attribute started_at.
25 26 27 |
# File 'lib/puma/cluster/worker_handle.rb', line 25 def started_at @started_at end |
Instance Method Details
#boot! ⇒ Object
34 35 36 37 |
# File 'lib/puma/cluster/worker_handle.rb', line 34 def boot! @last_checkin = Time.now @stage = :booted end |
#booted? ⇒ Boolean
30 31 32 |
# File 'lib/puma/cluster/worker_handle.rb', line 30 def booted? @stage == :booted end |
#hup ⇒ Object
80 81 82 83 |
# File 'lib/puma/cluster/worker_handle.rb', line 80 def hup Process.kill "HUP", @pid rescue Errno::ESRCH end |
#kill ⇒ Object
75 76 77 78 |
# File 'lib/puma/cluster/worker_handle.rb', line 75 def kill @signal = 'KILL' term end |
#ping!(status) ⇒ Object
43 44 45 46 47 48 49 50 |
# File 'lib/puma/cluster/worker_handle.rb', line 43 def ping!(status) @last_checkin = Time.now captures = status.match(/{ "backlog":(?<backlog>\d*), "running":(?<running>\d*), "pool_capacity":(?<pool_capacity>\d*), "max_threads": (?<max_threads>\d*), "requests_count": (?<requests_count>\d*) }/) @last_status = captures.names.inject({}) do |hash, key| hash[key.to_sym] = captures[key].to_i hash end end |
#ping_timeout ⇒ Object
54 55 56 57 58 59 60 |
# File 'lib/puma/cluster/worker_handle.rb', line 54 def ping_timeout @last_checkin + (booted? ? @options[:worker_timeout] : @options[:worker_boot_timeout] ) end |
#term ⇒ Object
62 63 64 65 66 67 68 69 70 71 72 73 |
# File 'lib/puma/cluster/worker_handle.rb', line 62 def term begin if @first_term_sent && (Time.now - @first_term_sent) > @options[:worker_shutdown_timeout] @signal = "KILL" else @term ||= true @first_term_sent ||= Time.now end Process.kill @signal, @pid if @pid rescue Errno::ESRCH end end |
#term? ⇒ Boolean
39 40 41 |
# File 'lib/puma/cluster/worker_handle.rb', line 39 def term? @term end |