Class: ProconBypassMan::DeviceConnection::Executer

Inherits:
Object
  • Object
show all
Defined in:
lib/procon_bypass_man/device_connection/executor.rb

Defined Under Namespace

Classes: Value

Constant Summary collapse

GADGET_PATH = 
'/dev/hidg0'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(throw_error_if_timeout: false, throw_error_if_mismatch: false) ⇒ Executer

Returns a new instance of Executer.



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 54

def initialize(throw_error_if_timeout: false, throw_error_if_mismatch: false)
  @queue = []
  @initialized_devices = false
  @throw_error_if_timeout = throw_error_if_timeout
  @throw_error_if_mismatch = throw_error_if_mismatch
end

Class Method Details

.execute! ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 19

def self.execute!
  s = new_with_default_args
  s.add(expected_to_receive: [
    ["0000"],
    ["0000"],
    ["8005"],
    ["0000"],
  ], read_from: :switch)
  # 1. Sends current connection status, and if the Joy-Con are connected,
  s.add(expected_to_receive: [["8001"]], read_from: :switch)
  s.add(expected_to_receive: [/^8101/], read_from: :procon) # <<< 81010003176d96e7a5480000000, macaddressとコントローラー番号を返す
  # 2. Sends handshaking packets over UART to the Joy-Con or Pro Controller Broadcom chip. This command can only be called once per session.
  s.add(expected_to_receive: [["8002"]], read_from: :switch)
  s.add(expected_to_receive: [/^8102/], read_from: :procon)
  # 3
  s.add(expected_to_receive: [/^0100/], read_from: :switch)
  s.add(expected_to_receive: [/^21/], read_from: :procon, call_block_if_receive: /^8101/) do |this|
    begin
      ProconBypassMan.logger.info "(start special route)"
      this.blocking_read_with_timeout_from_procon # <<< 810100032dbd42e9b698000
      this.write_to_procon("8002")
      this.blocking_read_with_timeout_from_procon # <<< 8102
      this.write_to_procon("01000000000000000000033000000000000000000000000000000000000000000000000000000000000000000000000000")
      this.blocking_read_with_timeout_from_procon # <<< 21
    rescue ProconBypassMan::SafeTimeout::Timeout, Timeout::Error
      raise ProconBypassMan::DeviceConnection::TimeoutErrorInConditionalRoute
    end
  end

  # 4. Forces the Joy-Con or Pro Controller to only talk over USB HID without any timeouts. This is required for the Pro Controller to not time out and revert to Bluetooth.
  s.add(expected_to_receive: [["8004"]], read_from: :switch)
  s.drain_all
  return [s.switch, s.procon]
end

.new_with_default_args ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 15

def self.new_with_default_args
  new(throw_error_if_timeout: true)
end

Instance Method Details

#add(expected_to_receive:, read_from:, call_block_if_receive: nil, &block) ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 61

def add(expected_to_receive: , read_from: , call_block_if_receive: nil, &block)
  values = expected_to_receive
  @queue << Value.new(values: values, read_from: read_from, call_block_if_receive: call_block_if_receive, &block)
end

#blocking_read_with_timeout_from_procon ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 187

def blocking_read_with_timeout_from_procon
  Timeout.timeout(4) do
    raw_data = procon.read(64)
    ProconBypassMan.logger.info "<<< #{raw_data.unpack("H*").first}"
    return raw_data
  end
end

#drain_all ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 66

def drain_all
  debug_log_buffer = []
  unless @initialized_devices
    init_devices
  end

  while(item = @queue.shift)
    item.values.each do |value|
      raw_data = nil
      timer = ProconBypassMan::SafeTimeout.new

      begin
        timer.throw_if_timeout!
        raw_data = from_device(item).read_nonblock(64)
        debug_log_buffer << "read_from(#{item.read_from}): #{raw_data.unpack("H*")}"
      rescue IO::EAGAINWaitReadable
        # debug_log_buffer << "read_from(#{item.read_from}): IO::EAGAINWaitReadable"
        retry
      end

      if item.call_block_if_receive
        ProconBypassMan.logger.info "call block if receive: #{item.call_block_if_receive}, actual: #{raw_data.unpack("H*")} from: #{item.read_from}"
        if item.call_block_if_receive =~ raw_data.unpack("H*").first
          raw_data = item.block.call(self)
        end
      end

      result =
        case value
        when String, Array
          value == raw_data.unpack("H*")
        when Regexp
          value =~ raw_data.unpack("H*").first
        else
          raise "#{value}は知りません"
        end

      if result
        ProconBypassMan.logger.info "OK(expected: #{value}, got: #{raw_data.unpack("H*")}) from: #{item.read_from}"
        debug_log_buffer << "OK(expected: #{value}, got: #{raw_data.unpack("H*")}) from: #{item.read_from}"
      else
        ProconBypassMan.logger.info "NG(expected: #{value}, got: #{raw_data.unpack("H*")}) from: #{item.read_from}"
        debug_log_buffer << "NG(expected: #{value}, got: #{raw_data.unpack("H*")}) from: #{item.read_from}"
        raise ProconBypassMan::DeviceConnection::BytesMismatchError.new(debug_log_buffer) if @throw_error_if_mismatch
      end
      to_device(item).write_nonblock(raw_data)
    end
  end
rescue ProconBypassMan::SafeTimeout::Timeout, Timeout::Error => e
  ProconBypassMan.logger.error "timeoutになりました(#{e.message})"
  procon.write_nonblock(['8006'].pack("H*")) # 再実行時のケーブルの再接続を不要にするワークアラウンド. リセットしているらしい
  compressed_buffer_text = ProconBypassMan::CompressArray.new(debug_log_buffer).compress.join("\n")
  ProconBypassMan::SendErrorCommand.execute(error: compressed_buffer_text, stdout: false)
  raise ProconBypassMan::SafeTimeout::Timeout if @throw_error_if_timeout
end

#from_device(item) ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 122

def from_device(item)
  case item.read_from
  when :switch
    switch
  when :procon
    procon
  else
    raise
  end
end

#init_devices ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 154

def init_devices
  unless SudoNeedPasswordChecker.execute!
    raise ProconBypassMan::DeviceConnection::SetupIncompleteError
  end

  if @initialized_devices
    return
  end

  ProconBypassMan::UsbDeviceController.init
  ProconBypassMan::UsbDeviceController.reset

  if path = ProconBypassMan::DeviceProconFinder.find
    ShellRunner.execute("sudo chmod 777 #{path}")
    @procon = File.open(path, "w+b")
    ProconBypassMan.logger.info "proconのデバイスファイルは#{path}を使います"
  else
    raise(ProconBypassMan::DeviceConnection::NotFoundProconError)
  end

  begin
    ShellRunner.execute("sudo chmod 777 #{GADGET_PATH}")
    @gadget = File.open(GADGET_PATH, "w+b")
  rescue Errno::ENXIO => e
    # /dev/hidg0 をopenできないときがある
    ProconBypassMan::SendErrorCommand.execute(error: "Errno::ENXIOが起きたのでresetします.\n #{e.full_message}", stdout: false)
    ProconBypassMan::UsbDeviceController.reset
    retry
  end

  @initialized_devices = true
end

#procon ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 149

def procon
  @procon
end

#switch ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 145

def switch
  @gadget
end

#to_device(item) ⇒ Object

fromの対になる



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 134

def to_device(item)
  case item.read_from
  when :switch
    procon
  when :procon
    switch
  else
    raise
  end
end

#write_to_procon(data) ⇒ Object 



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# File 'lib/procon_bypass_man/device_connection/executor.rb', line 195

def write_to_procon(data)
  ProconBypassMan.logger.info ">>> #{data}"
  procon.write_nonblock([data].pack("H*"))
end