Class: PryRemote::CLI

Inherits:
Object show all
Defined in:
lib/pry-remote.rb

Overview

Parses arguments and allows to start the client.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = ARGV) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/pry-remote.rb', line 262

def initialize(args = ARGV)
  params = Slop.parse args, :help => true do
    banner "#$PROGRAM_NAME [OPTIONS]"

    on :s, :server=, "Host of the server (#{DefaultHost})", :argument => :optional,
       :default => DefaultHost
    on :p, :port=, "Port of the server (#{DefaultPort})", :argument => :optional,
       :as => Integer, :default => DefaultPort
    on :w, :wait, "Wait for the pry server to come up",
       :default => false
    on :r, :persist, "Persist the client to wait for the pry server to come up each time",
       :default => false
    on :c, :capture, "Captures $stdout and $stderr from the server (true)",
       :default => true
    on :f, "Disables loading of .pryrc and its plugins, requires, and command history "
  end

  exit if params.help?

  @host = params[:server]
  @port = params[:port]

  @wait = params[:wait]
  @persist = params[:persist]
  @capture = params[:capture]

  Pry.initial_session_setup unless params[:f]
end

Instance Attribute Details

#capture ⇒ Object (readonly) Also known as: capture?

Returns the value of attribute capture.



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# File 'lib/pry-remote.rb', line 304

def capture
  @capture
end

#host ⇒ String (readonly)

Returns Host of the server.

Returns:

  • (String) —

    Host of the server



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# File 'lib/pry-remote.rb', line 292

def host
  @host
end

#persist ⇒ Object (readonly) Also known as: persist?

Returns the value of attribute persist.



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# File 'lib/pry-remote.rb', line 303

def persist
  @persist
end

#port ⇒ Integer (readonly)

Returns Port of the server.

Returns:

  • (Integer) —

    Port of the server



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# File 'lib/pry-remote.rb', line 295

def port
  @port
end

#wait ⇒ Object (readonly) Also known as: wait?

Returns the value of attribute wait.



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# File 'lib/pry-remote.rb', line 302

def wait
  @wait
end

Instance Method Details

#cleanup(client) ⇒ Object

Clean up the client



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# File 'lib/pry-remote.rb', line 356

def cleanup(client)
  begin
    # The method we are calling here doesn't matter.
    # This is a hack to close the connection of DRb.
    client.cleanup
  rescue DRb::DRbConnError, NoMethodError
  end
end

#connect(input = Pry.config.input, output = Pry.config.output) ⇒ Object

Connects to the server

Parameters:

  • input (IO) (defaults to: Pry.config.input) —

    Object holding input for pry-remote

  • output (IO) (defaults to: Pry.config.output) —

    Object pry-debug will send its output to



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# File 'lib/pry-remote.rb', line 320

def connect(input = Pry.config.input, output = Pry.config.output)
  local_ip = UDPSocket.open {|s| s.connect(@host, 1); s.addr.last}
  DRb.start_service "druby://#{local_ip}:0"
  client = DRbObject.new(nil, uri)

  cleanup(client)

  input  = IOUndumpedProxy.new(input)
  output = IOUndumpedProxy.new(output)

  begin
    client.input  = input
    client.output = output
  rescue DRb::DRbConnError => ex
    if wait? || persist?
      sleep 1
      retry
    else
      raise ex
    end
  end

  if capture?
    client.stdout = $stdout
    client.stderr = $stderr
  end

  client.editor = ClientEditor

  client.thread = Thread.current

  sleep
  DRb.stop_service
end

#run ⇒ Object 



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# File 'lib/pry-remote.rb', line 309

def run
  while true
    connect
    break unless persist?
  end
end

#uri ⇒ String

Returns URI for DRb.

Returns:

  • (String) —

    URI for DRb



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# File 'lib/pry-remote.rb', line 298

def uri
  "druby://#{host}:#{port}"
end