Module: Ebb

Defined in:
lib/ebb.rb,
lib/ebb/version.rb,
ext/ebb_ffi.c

Defined Under Namespace

Modules: FFI Classes: Connection, Request, Response

Constant Summary collapse

VERSION = 
"0.3.2"
VERSION_STRING = 
"Ebb #{VERSION}"
@@log = 
STDOUT

Class Method Summary collapse

Class Method Details

.log ⇒ Object 



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# File 'lib/ebb.rb', line 277

def self.log
  @@log
end

.log=(output) ⇒ Object 



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# File 'lib/ebb.rb', line 273

def self.log=(output)
  @@log = output
end

.process(app, req) ⇒ Object 



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# File 'lib/ebb.rb', line 81

def self.process(app, req)
  res = req.response
  req.connection.responses << res

  status = headers = body = nil
  catch(:async) do 
    status, headers, body = app.call(req.env)
  end

  # James Tucker's async response scheme
  # check out
  # http://github.com/raggi/thin/tree/async_for_rack/example/async_app.ru
  res.call(status, headers, body) if status != 0 
  # if status == 0 then the application promises to call
  # env['async.callback'].call(status, headers, body) 
  # later on...

end

.running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ebb.rb', line 10

def self.running?
  FFI::server_open?
end

.set_options(options) ⇒ Object 



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# File 'lib/ebb.rb', line 22

def self.set_options(options)
  if options.has_key?(:fileno)
    fd = options[:fileno].to_i
    FFI::server_listen_on_fd(fd)
    log.puts "Ebb is listening on file descriptor #{fd}"
# missing until libebb adds UNIX socket support
#    elsif options.has_key?(:unix_socket)
#      socketfile = options[:unix_socket]
#      FFI::server_listen_on_unix_socket(socketfile)
#      log.puts "Ebb is listening on unix socket #{socketfile}"
  else
    port = (options[:Port] || options[:port] || 4001).to_i
    FFI::server_listen_on_port(port)
    log.puts "Ebb is listening at http://0.0.0.0:#{port}/"
  end

  @@secure = false
  if options.has_key?(:ssl_cert) and options.has_key?(:ssl_key)
    unless FFI.respond_to?(:server_set_secure)
      log.puts "ebb compiled without ssl support. get gnutls" 
    else
      cert_file = options[:ssl_cert]
      key_file = options[:ssl_key]
      if FileTest.readable?(cert_file) and FileTest.readable?(cert_file)
        FFI::server_set_secure(cert_file, key_file);
        @@secure = true
      else 
        log.puts "error opening certificate or key file"
      end
    end
  end

  unless options[:docroot].nil?
    @@docroot = options[:docroot]
    raise "#{@@docroot} not a directory"unless File.directory?(@@docroot)
  end
end

.ssl? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ebb.rb', line 14

def self.ssl?
  @@secure
end

.start_server(app, options = {}) ⇒ Object 



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# File 'lib/ebb.rb', line 60

def self.start_server(app, options={})
  set_options(options)
  log.puts "Ebb PID #{Process.pid}"
  
  Connection.reset_responses
  @running = true
  trap('INT')  { stop_server }

  while @running
    FFI::server_process_connections()
    while request = FFI::server_waiting_requests.shift
      if app.respond_to?(:deferred?) and !app.deferred?(request.env)
        process(app, request)
      else
        Thread.new(request) { |req| process(app, req) }
      end
    end
  end
  FFI::server_unlisten()
end

.stop_server ⇒ Object 



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# File 'lib/ebb.rb', line 18

def self.stop_server()
  @running = false
end