Class: Flammarion::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/flammarion/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server

Returns a new instance of Server.



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# File 'lib/flammarion/server.rb', line 5

def initialize
  @windows = {}
  @socket_paths = {}
  @started = false
  @launch_thread = Thread.current
  @server_thread = Thread.new do
    begin
      start_server_internal
    rescue StandardError => e
      handle_exception(e)
    end
  end
  sleep 0.5 until @started
end

Instance Attribute Details

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/flammarion/server.rb', line 3

def port
  @port
end

Instance Method Details

#handle_exception(e) ⇒ Object 



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# File 'lib/flammarion/server.rb', line 77

def handle_exception(e)
  @launch_thread.raise(e)
end

#log(str) ⇒ Object 



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# File 'lib/flammarion/server.rb', line 73

def log(str)
  Rails.logger.debug str
end

#register_window(window) ⇒ Object 



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# File 'lib/flammarion/server.rb', line 81

def register_window(window)
  @new_path ||= 0
  @new_path += 1
  @windows["/w#{@new_path}"] = window
  "w#{@new_path}"
end

#start_server_internal ⇒ Object 



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# File 'lib/flammarion/server.rb', line 20

def start_server_internal
  self.port =
    if Gem.win_platform?
      rand(65000 - 1024) + 1024
    else
      7870
    end
  begin
    @server = Rubame::Server.new("0.0.0.0", port)
    loop do
      @started = true
      @server.run do |ws|
        ws.onopen {
          log "Connection open"
          if @windows.include?(ws.handshake.path)
            @windows[ws.handshake.path].sockets << ws
            @windows[ws.handshake.path].on_connect.call if @windows[ws.handshake.path].on_connect
            @socket_paths[ws] = ws.handshake.path
          else
            log "No such window: #{handshake.path}"
          end
        }

        ws.onclose do
          log "Connection closed"
          @windows[@socket_paths[ws]].disconnect(ws) if @windows[@socket_paths[ws]]
        end

        ws.onmessage { |msg|
          Thread.new do
            begin
              @windows[@socket_paths[ws]].process_message(msg)
            rescue StandardError => e
              handle_exception(e)
            end
          end
        }
      end
    end
  rescue RuntimeError, Errno::EADDRINUSE => e
    if e.message == "no acceptor (port is in use or requires root privileges)" || e.is_a?(Errno::EADDRINUSE)
      self.port = rand(65000 - 1024) + 1024
      retry
    else
      raise
    end
  end
  @started = true
end

#stop ⇒ Object 



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# File 'lib/flammarion/server.rb', line 70

def stop
end