Class: Session

Inherits:
Object
  • Object
show all
Defined in:
lib/adesklets/session.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command = '/bin/sh') ⇒ Session

Returns a new instance of Session.



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# File 'lib/adesklets/session.rb', line 6

def initialize(command='/bin/sh')
  @pid, @stdin, @stdout, @stderr = Open4::popen4 command
end

Instance Attribute Details

#pid ⇒ Object (readonly)

Returns the value of attribute pid.



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# File 'lib/adesklets/session.rb', line 4

def pid
  @pid
end

#stderr ⇒ Object (readonly)

Returns the value of attribute stderr.



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# File 'lib/adesklets/session.rb', line 4

def stderr
  @stderr
end

#stdin ⇒ Object (readonly)

Returns the value of attribute stdin.



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# File 'lib/adesklets/session.rb', line 4

def stdin
  @stdin
end

#stdout ⇒ Object (readonly)

Returns the value of attribute stdout.



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# File 'lib/adesklets/session.rb', line 4

def stdout
  @stdout
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/adesklets/session.rb', line 10

def close
  @stdin.close; @stdout.close; @stderr.close
  Process.waitpid(@pid)
end

#command(cmd_s) ⇒ Object 



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# File 'lib/adesklets/session.rb', line 15

def command(cmd_s)
  puts cmd_s
  @stdin.puts(cmd_s)
end

#dump ⇒ Object 



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# File 'lib/adesklets/session.rb', line 38

def dump
  line = ""

  begin
    curr_line=gets(:stdout,0.4)
    line+= curr_line
  end while curr_line!=''

  line
end

#gets(src = :stdout, timeout = nil) ⇒ Object 



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# File 'lib/adesklets/session.rb', line 20

def gets(src = :stdout, timeout=nil)
  line = ""

  read_array = case src
    when :stdout then [@stdout]
    when :stderr then [@stderr]
    else raise "SessionERROR: Unknown Source Symbol"
  end

  result_io = select( read_array, nil, nil, timeout )

  if not result_io.nil? then
    line = result_io[0][0].gets
  end

  return line
end