Class: Knj::Unix_proc

Inherits:
Object show all
Defined in:
lib/knj/unix_proc.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Unix_proc

Returns a new instance of Unix_proc.



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# File 'lib/knj/unix_proc.rb', line 77

def initialize(data)
  @data = data
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/knj/unix_proc.rb', line 2

def data
  @data
end

Class Method Details

.find_self ⇒ Object 



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# File 'lib/knj/unix_proc.rb', line 62

def self.find_self
  procs = Knj::Unix_proc.list("ignore_self" => false)
  pid_find = Process.pid
  
  proc_find = false
  procs.each do |proc_ele|
    if proc_ele["pid"].to_s == pid_find.to_s
      proc_find = proc_ele
      break
    end
  end
  
  return proc_find
end

.list(args = {}) ⇒ Object 



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# File 'lib/knj/unix_proc.rb', line 17

def self.list(args = {})
  cmdstr = "ps aux"
  grepstr = ""
  
  if args["grep"]
    grepstr = "grep #{Knj::Strings.unixsafe(args["grep"])}"
    cmdstr << " | #{grepstr}"
  end
  
  ret = []
  res = Knj::Os.shellcmd(cmdstr)
  
  res.scan(/^(\S+)\s+([0-9]+)\s+([0-9.]+)\s+([0-9.]+)\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+ (.+)($|\n)/) do |match|
    pid = match[1]
    
    data = {
      "user" => match[0],
      "pid" => pid,
      "cpu_last" => match[2],
      "ram_last" => match[3],
      "cmd" => match[4],
      "app" => File.basename(match[4])
    }
    
    next if (!args.key?("ignore_self") or args["ignore_self"]) and match[1].to_i == $$.to_i
    next if grepstr.length > 0 and match[4].index(grepstr) != nil #dont return current process.
    
    if args.key?("pids")
      found = false
      args["pids"].each do |pid_given|
        if pid_given.to_s == pid.to_s
          found = true
          break
        end
      end
      
      next if !found
    end
    
    ret << Knj::Unix_proc.spawn(data)
  end
  
  return ret
end

.spawn(data) ⇒ Object 



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# File 'lib/knj/unix_proc.rb', line 5

def self.spawn(data)
  proc_ele = @procs[data["pid"]]
  
  if proc_ele
    proc_ele.update_data(data)
  else
    @procs[data["pid"]] = Knj::Unix_proc.new(data)
  end
  
  return @procs[data["pid"]]
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/knj/unix_proc.rb', line 85

def [](key)
  raise "No such data: #{key}" if !@data.key?(key)
  return @data[key]
end

#kill ⇒ Object 



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# File 'lib/knj/unix_proc.rb', line 90

def kill
  Process.kill(9, @data["pid"].to_i)
end

#update_data(data) ⇒ Object 



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# File 'lib/knj/unix_proc.rb', line 81

def update_data(data)
  @data = data
end