Class: StdinResponder

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(merge_stderr: false, prompt_delay_threshold: 1.0, timeout: 120, verbose: true, debug: false) ⇒ StdinResponder

Returns a new instance of StdinResponder.



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# File 'lib/stdin_responder.rb', line 46

def initialize(merge_stderr: false, prompt_delay_threshold: 1.0, timeout: 120, verbose: true, debug: false)
  @rules = []
  @stdout_buffer = ""
  @stderr_buffer = merge_stderr ? @stdout_buffer : ""
  @stdin_buffer = ""
  @prompt_delay_threshold = prompt_delay_threshold
  @timeout = timeout
  @verbose = verbose
  @debug = debug
end

Instance Attribute Details

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/stdin_responder.rb', line 44

def rules
  @rules
end

Instance Method Details

#add_rule(rule) ⇒ Object 



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# File 'lib/stdin_responder.rb', line 57

def add_rule(rule)
  @rules << {default: "", repeat: 0}.merge(rule)
end

#run(command) ⇒ Object 



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# File 'lib/stdin_responder.rb', line 61

def run(command)
  @session_rules = @rules.dup
  pid, stdin, stdout, stderr = Open4.popen4(command)

  out_buffer = ""
  prompt_threshold = 1

  @stdout_thread = Thread.start do
    monitor_stdout(stdout)
  end

  @stderr_thread = Thread.start do
    monitor_stderr(stderr)
  end

  @stdin_thread = Thread.start do
    generate_responses(stdin)
  end

  master_thread = Thread.start do
    monitor_threads
  end

  @stdout_thread.abort_on_exception = true
  @stderr_thread.abort_on_exception = true
  @stdin_thread.abort_on_exception = true
  master_thread.abort_on_exception = true

  @stdout_thread.join
  @stderr_thread.join
  stdout.close
  stderr.close

  @stdin_thread.join
  stdin.close
end