Class: Ps_process

Inherits:
Object
  • Object
show all
Defined in:
lib/Unix/Ps_process.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string = '') ⇒ Ps_process

Returns a new instance of Ps_process.



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# File 'lib/Unix/Ps_process.rb', line 18

def initialize (string = '')
  @children = 0

  decode(string) unless string.empty?
end

Instance Attribute Details

#c ⇒ Object (readonly)

Returns the value of attribute c.



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# File 'lib/Unix/Ps_process.rb', line 11

def c
  @c
end

#children ⇒ Object

Returns the value of attribute children.



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# File 'lib/Unix/Ps_process.rb', line 16

def children
  @children
end

#cmd ⇒ Object (readonly)

Returns the value of attribute cmd.



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# File 'lib/Unix/Ps_process.rb', line 15

def cmd
  @cmd
end

#pid ⇒ Object (readonly)

Returns the value of attribute pid.



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# File 'lib/Unix/Ps_process.rb', line 9

def pid
  @pid
end

#ppid ⇒ Object (readonly)

Returns the value of attribute ppid.



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# File 'lib/Unix/Ps_process.rb', line 10

def ppid
  @ppid
end

#stime ⇒ Object (readonly)

Returns the value of attribute stime.



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# File 'lib/Unix/Ps_process.rb', line 12

def stime
  @stime
end

#time ⇒ Object (readonly)

Returns the value of attribute time.



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# File 'lib/Unix/Ps_process.rb', line 14

def time
  @time
end

#tty ⇒ Object (readonly)

Returns the value of attribute tty.



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# File 'lib/Unix/Ps_process.rb', line 13

def tty
  @tty
end

#uid ⇒ Object (readonly)

Returns the value of attribute uid.



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# File 'lib/Unix/Ps_process.rb', line 8

def uid
  @uid
end

Instance Method Details

#decode(string) ⇒ Object 



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# File 'lib/Unix/Ps_process.rb', line 24

def decode(string)

  regexp = %r{(\w+)\s+ #UID
  (\d+)\s+ #PID
  (\d+)\s+ #PPID
  (\d+)\s+ # CPU TIME (C)
  (\w{3}\d{1,2}|\d{1,2}:\d{1,2}|)\s+ #Strat Time
  (\?|pts\/\d+|tty\d+|)\s+ #Console
  (\d{1,2}:\d{1,2}:\d{1,2}|\d+-\d{1,2}:\d{1,2}:\d{1,2}|\d{1,2}:\d{1,2})\s+  #TIME
  (.*) # command
  }x
  match = regexp.match(string)

  unless match
    puts string
    puts regexp
    puts match
    puts "regexp couldn't decode string #{string}"
    raise
  end

  @uid   = match[1]
  @pid   = match[2].to_i
  @ppid  = match[3].to_i
  @c     = match[4].to_i # C     pcpu         cpu utilization

  @stime = match[5]
  @tty   = match[6]
  @time  = match[7]
  @cmd   = match[8]
end