Class: Epi::ProcessStatus

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/epi/process_status.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.last ⇒ self

The last snapshot taken by #take

Returns:

  • (self) 


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# File 'lib/epi/process_status.rb', line 27

def last
  @last ||= take!
end

.now ⇒ self

Current running processes

Returns:

  • (self) 


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# File 'lib/epi/process_status.rb', line 15

def now
  new
end

.reset! ⇒ Object 



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# File 'lib/epi/process_status.rb', line 9

def reset!
  @last = nil
end

.take! ⇒ self

Take a snapshot of current running processes

Returns:

  • (self) 


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# File 'lib/epi/process_status.rb', line 21

def take!
  @last = now
end

Instance Method Details

#[](pid) ⇒ RunningProcess|NilClass

Lookup a running process by its PID

Parameters:

  • pid (String|Numeric) —

    PID of the process to lookup

Returns:



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# File 'lib/epi/process_status.rb', line 38

def [](pid)
  pid = pid.to_i
  @running_processes[pid] ||= find_by_pid(pid)
end

#pids ⇒ Array

Get a list of PIDs of running processes

Returns:

  • (Array) —

    An array of PIDs as ‘Fixnum`s



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# File 'lib/epi/process_status.rb', line 45

def pids
  @pids ||= @lines.keys
end