Class: Baykit::BayServer::Docker::Terminal::TerminalDocker

Inherits:
Base::ClubBase
  • Object
show all
Includes:
Agent, Agent::Multiplexer, Bcf, Rudders, Tours, Util
Defined in:
lib/baykit/bayserver/docker/terminal/terminal_docker.rb

Constant Summary collapse

RACK_TERMINAL_PIPE = 
"rack.terminal.pipe"
DEFAULT_POST_CACHE_THRESHOLD =

128 KB

1024 * 128
RACK_ERR = 
"Cannot find rack package. If you want to use terminal docker, please install rack package like 'gem install rack'."
RACK_MULTITHREAD = 
'rack.multithread'
RACK_MULTIPROCESS = 
'rack.multiprocess'
RACK_RUNONCE = 
'rack.run_once'
RACK_HIJACK_IO = 
'rack.hijack_io'
HTTP_VERSION = 
'HTTP_VERSION'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TerminalDocker

Returns a new instance of TerminalDocker.



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 38

def initialize
  @post_cache_threshold = DEFAULT_POST_CACHE_THRESHOLD
  @available = false
end

Instance Attribute Details

#app ⇒ Object

Returns the value of attribute app.



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 32

def app
  @app
end

#available ⇒ Object (readonly)

Returns the value of attribute available.



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 36

def available
  @available
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 33

def config
  @config
end

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 34

def environment
  @environment
end

#post_cache_threshold ⇒ Object (readonly)

Returns the value of attribute post_cache_threshold.



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 35

def post_cache_threshold
  @post_cache_threshold
end

Instance Method Details

#arrive(tur) ⇒ Object

Implements Club



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 105

def arrive(tur)

  if not @available
    tur.res.headers.set_content_type("text/plain")
    tur.res.set_consume_listener(&ContentConsumeListener::DEV_NULL)
    tur.res.send_headers(tur.id)
    tur.res.send_res_content(tur.id, RACK_ERR, 0, RACK_ERR.length)
    tur.res.end_res_content(tur.id)
    return
  end

  if tur.req.uri.include? ".."
    raise HttpException.new HttpStatus::FORBIDDEN, tur.req.uri
  end

  env = create_env tur
  train = TerminalTrain.new(self, tur, @app, env)
  train.start_tour()
end

#create_env(tur) ⇒ Object 



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 125

def create_env(tur)
  env = {}

  cont_len = tur.req.headers.content_length()
  if cont_len > 0
    env["CONTENT_LENGTH"] = cont_len.to_s
  end
  cont_type = tur.req.headers.content_type()
  if StringUtil.set? cont_type
    env["CONTENT_TYPE"]      = cont_type
  end


  env["GATEWAY_INTERFACE"] = "CGI/1.1"
  #env[Rack::PATH_INFO] = tur.req.path_info == nil ? "" : tur.req.path_info
  pos = tur.req.uri.index('?')
  if pos and pos > 0
    env[Rack::PATH_INFO] = tur.req.uri[0 .. pos-1]
  else
    env[Rack::PATH_INFO] = tur.req.uri
  end
  env[Rack::QUERY_STRING] = tur.req.query_string == nil ? "" : tur.req.query_string
  env["REMOTE_ADDR"] = tur.req.remote_address
  env["REMOTE_HOST"] = tur.req.remote_address  # for performance reason
  env["REMOTE_USER"] = tur.req.remote_user == nil ? "" : tur.req.remote_user
  env[Rack::REQUEST_METHOD] = tur.req.method
  env["REQUEST_URI"]  = tur.req.uri
  #env[Rack::SCRIPT_NAME] = tur.req.script_name == nil ? "" : tur.req.script_name
  env[Rack::SCRIPT_NAME] = ""
  env[Rack::SERVER_NAME] = tur.req.server_name
  env[Rack::SERVER_PORT]  = tur.req.server_port.to_s
  env[Rack::SERVER_PROTOCOL] = tur.req.protocol
  env["SERVER_SOFTWARE"] = Baykit::BayServer::BayServer.get_software_name

  tur.req.headers.names.each do |name|
    tur.req.headers.values(name).each do |val|
      if /^content-type$/i =~ name || /^content-length$/i =~ name
        next
      end
      name = "HTTP_" + name
      name.gsub!(/-/o, "_")
      name.upcase!
      env[name] = val
    end
  end

  env[Rack::RACK_VERSION] = Rack::VERSION
  env[Rack::RACK_ERRORS] = STDERR
  env[Rack::RACK_INPUT] = nil
  env[RACK_MULTITHREAD] = true
  env[RACK_MULTIPROCESS] = BayServer.harbor.multi_core
  env[RACK_RUNONCE] = false
  env[Rack::RACK_URL_SCHEME] = tur.is_secure ? "https" : "http"
  env[Rack::RACK_IS_HIJACK] = true

  env[Rack::RACK_HIJACK] = lambda do
    pip = IO.pipe
    env[RACK_TERMINAL_PIPE] = pip

    w_pipe = pip[1]

    env[RACK_HIJACK_IO] = w_pipe

    agt = GrandAgent.get(tur.ship.agent_id)
    mpx = agt.net_multiplexer
    rd_read = IORudder.new(pip[0])
    sip = FullyHijackersShip.new()
    bufsize = tur.ship.protocol_handler.max_res_packet_data_size()

    tp = PlainTransporter.new(mpx, sip, false, bufsize, false)

    sip.init(tur, rd_read, tp)
    sid = sip.ship_id

    tur.res.set_consume_listener do |len, resume|
      if resume
        sip.resume_read(sid)
      end
    end

    mpx.add_rudder_state(rd_read, RudderState.new(rd_read, tp))
    mpx.req_read(rd_read)

    w_pipe
  end

  env[RACK_HIJACK_IO] = nil

  env[HTTP_VERSION] = tur.req.protocol
  env
end

#init(elm, parent) ⇒ Object

Implements Docker



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 47

def init(elm, parent)
  super

  begin
    require 'rack'
  rescue LoadError => e
    BayLog.error(RACK_ERR)
    return
  end

  require 'rack/handler/bayserver'

  if Rack::Handler::BayServer.app != nil
    # rackup mode
    @app = Rack::Handler::BayServer.app
  else
    if !StringUtil.set?(@config)
      raise ConfigException.new(elm.file_name, elm.line_no, "Config not specified")
    elsif not ::File.exist?(@config)
      raise ConfigException.new(elm.file_name, elm.line_no, "Config not found: %s", @config)
    end
    if @environment == nil
      @environment = "deployment"
    end
    options = {
      :server => "terminal",
      :config => @config,
      :environment => @environment,
      :docker => self,
    }
    Rack::Server.start options
  end

  @available = true
end

#init_key_val(kv) ⇒ Object

Implements DockerBase



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# File 'lib/baykit/bayserver/docker/terminal/terminal_docker.rb', line 87

def init_key_val(kv)
  case kv.key.downcase
  when "config"
    @config = Baykit::BayServer::BayServer.parse_path(kv.value)
  when "environment"
    @environment = kv.value
  when "postcachethreshold"
    @post_cache_threshold = kv.value.to_i
  else
    return super
  end
  return true
end