Class: GamespyQuery::SocketMaster

Inherits:
Base
  • Object
show all
Defined in:
lib/gamespy_query/socket_master.rb

Constant Summary collapse

FILL_UP_ON_SPACE = 
true
DEFAULT_MAX_CONNECTIONS = 
128

Constants included from Funcs

Funcs::RX_F, Funcs::RX_I, Funcs::RX_S

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Funcs

#clean, #clean_string, #get_string, #handle_chr, #strip_tags

Constructor Details

#initialize(addrs) ⇒ SocketMaster

Returns a new instance of SocketMaster.



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# File 'lib/gamespy_query/socket_master.rb', line 10

def initialize addrs
  @addrs = addrs

  @timeout, @max_connections = Socket::DEFAULT_TIMEOUT, DEFAULT_MAX_CONNECTIONS # Per select iteration
end

Instance Attribute Details

#max_connections ⇒ Object

Returns the value of attribute max_connections.



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# File 'lib/gamespy_query/socket_master.rb', line 8

def max_connections
  @max_connections
end

#timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/gamespy_query/socket_master.rb', line 8

def timeout
  @timeout
end

Instance Method Details

#process! ⇒ Object 



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# File 'lib/gamespy_query/socket_master.rb', line 16

def process!
  sockets = []

  until @addrs.empty?
    addrs = @addrs.shift @max_connections
    queue = addrs.map { |addr| Socket.new(addr) }

    sockets += queue

    until queue.empty?
      # Fill up the Sockets pool until max_conn
      if FILL_UP_ON_SPACE && queue.size < @max_connections
        addrs = @addrs.shift (@max_connections - queue.size)
        socks = addrs.map { |addr| Socket.new(addr) }

        queue += socks
        sockets += socks
      end

      write_sockets, read_sockets = queue.reject {|s| s.valid? }.partition {|s| s.handle_state }

      unless ready = IO.select(read_sockets, write_sockets, nil, @timeout)
        Tools.logger.warn "Timeout, no usable sockets in current queue, within timeout period (#{@timeout}s)"
        queue.each{|s| s.close unless s.closed?}
        queue = []
        next
      end

      Tools.debug {"Sockets: #{queue.size}, AddrsLeft: #{@addrs.size}, ReadReady: #{"#{ready[0].size} / #{read_sockets.size}, WriteReady: #{ready[1].size} / #{write_sockets.size}, ExcReady: #{ready[2].size} / #{queue.size}" unless ready.nil?}"}

      # Read
      ready[0].each { |s| queue.delete(s) unless s.handle_read() }

      # Write
      ready[1].each { |s| queue.delete(s) unless s.handle_write() }

      # Exceptions
      #ready[2].each { |s| queue.delete(s) unless s.handle_exc }
    end
  end

  return sockets
end