Class: Rush::Process

Inherits:
Object
  • Object
show all
Defined in:
lib/rush/process.rb

Overview

An array of these objects is returned by Rush::Box#processes.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params, box) ⇒ Process

params is a hash returned by the system-specific method of looking up the process list.



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# File 'lib/rush/process.rb', line 7

def initialize(params, box)
  @box = box

  @pid = params[:pid].to_i
  @uid = params[:uid].to_i
  @user = params[:user]
  @command = params[:command]
  @cmdline = params[:cmdline]
  @mem = params[:mem]
  @cpu = params[:cpu]
  @parent_pid = params[:parent_pid]
end

Instance Attribute Details

#box ⇒ Object (readonly)

Returns the value of attribute box.



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# File 'lib/rush/process.rb', line 3

def box
  @box
end

#cmdline ⇒ Object (readonly)

Returns the value of attribute cmdline.



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# File 'lib/rush/process.rb', line 3

def cmdline
  @cmdline
end

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/rush/process.rb', line 3

def command
  @command
end

#cpu ⇒ Object (readonly)

Returns the value of attribute cpu.



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# File 'lib/rush/process.rb', line 3

def cpu
  @cpu
end

#mem ⇒ Object (readonly)

Returns the value of attribute mem.



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# File 'lib/rush/process.rb', line 3

def mem
  @mem
end

#parent_pid ⇒ Object (readonly)

Returns the value of attribute parent_pid.



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# File 'lib/rush/process.rb', line 3

def parent_pid
  @parent_pid
end

#pid ⇒ Object (readonly)

Returns the value of attribute pid.



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# File 'lib/rush/process.rb', line 3

def pid
  @pid
end

#uid ⇒ Object (readonly)

Returns the value of attribute uid.



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# File 'lib/rush/process.rb', line 3

def uid
  @uid
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'lib/rush/process.rb', line 3

def user
  @user
end

Class Method Details

.all ⇒ Object 



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# File 'lib/rush/process.rb', line 56

def self.all
  Rush::Box.new('localhost').processes
end

Instance Method Details

#==(other) ⇒ Object

:nodoc:



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# File 'lib/rush/process.rb', line 52

def ==(other)       # :nodoc:
  pid == other.pid and box == other.box
end

#alive? ⇒ Boolean

Returns true if the process is currently running.

Returns:

  • (Boolean) 


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# File 'lib/rush/process.rb', line 43

def alive?
  box.connection.process_alive(pid)
end

#children ⇒ Object

Returns an array of child processes owned by this process.



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# File 'lib/rush/process.rb', line 38

def children
  box.processes.select { |p| p.parent_pid == pid }
end

#inspect ⇒ Object

:nodoc:



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# File 'lib/rush/process.rb', line 24

def inspect   # :nodoc:
  if box.to_s != 'localhost'
    "#{box} #{@pid}: #{@cmdline}"
  else
    "#{@pid}: #{@cmdline}"
  end
end

#kill(options = {}) ⇒ Object

Terminate the process.



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# File 'lib/rush/process.rb', line 48

def kill(options={})
  box.connection.kill_process(pid, options)
end

#parent ⇒ Object

Returns the Rush::Process parent of this process.



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# File 'lib/rush/process.rb', line 33

def parent
  box.processes.detect { |p| p.pid == parent_pid }
end

#to_s ⇒ Object

:nodoc:



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# File 'lib/rush/process.rb', line 20

def to_s      # :nodoc:
  inspect
end