Class: Stenohttp2::Client::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/stenohttp2/client/client.rb

Constant Summary collapse

CLIENT_PING_DELAY = 
0.1
CLIENT_IDENTIFIER = 
'ccxin6f5'

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/stenohttp2/client/client.rb', line 14

def initialize(opts = {})
  @server_address = opts.fetch(:server_url)
end

Instance Method Details

#setup_connection_handlers ⇒ Object

rubocop:enable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/stenohttp2/client/client.rb', line 69

def setup_connection_handlers
  conn.on(:frame) do |bytes|
    socket.is_a?(TCPSocket) ? socket.sendmsg(bytes) : socket.write(bytes)
  end

  conn.on(:frame_received) { |frame| ping_handler.handle(frame) }
end

#setup_stream_handlers ⇒ Object 



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# File 'lib/stenohttp2/client/client.rb', line 77

def setup_stream_handlers
  stream.on(:close) do
    log.info 'stream closed'
  end

  stream.on(:headers) do |h|
    log.info "response headers: #{h}"
  end

  stream.on(:data) do |d|
    log.info "response data chunk: <<#{d}>>"
  end
end

#start ⇒ Object

rubocop:disable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/stenohttp2/client/client.rb', line 19

def start
  setup_connection_handlers
  setup_stream_handlers
  log.info 'Sending HTTP 2.0 request'

  stream.headers(get_request, end_stream: false) # GET data
  pinger = Thread.new do
    loop do
      conn.ping(SecureRandom.hex(4))
      sleep CLIENT_PING_DELAY
    end
  end

  Thread.kill(pinger)

  ::Stenohttp2::Common::Sender.new(
    message: ::Stenohttp2::Common::Message.new(
      'Witaj świecie. Tajne dane: płatki owsiane, banan, orechy włoskie, jabłko'
    ),
    connection: conn,
    identifier: CLIENT_IDENTIFIER,
    delay: CLIENT_PING_DELAY
  ).call

  pinger = Thread.new do
    loop do
      conn.ping(SecureRandom.hex(4))
      sleep CLIENT_PING_DELAY
    end
  end

  stream.headers(post_request, end_stream: false) # POST data
  stream.data(SecureRandom.hex(20)) # Post some random data to the server

  Thread.kill(pinger)
  while !socket.closed? && !socket.eof?
    data = socket.read_nonblock(1024)
    log.info "Received bytes: #{data.unpack1('H*')}"

    begin
      conn << data
    rescue StandardError => e
      log.info "#{e.class} exception: #{e.message} - closing socket."
      e.backtrace.each { |l| puts "\t#{l}" }
      socket.close
    end
  end
end