Class: Sappho::Socket::SafeServer

Inherits:
Object
  • Object
show all
Defined in:
lib/sappho-socket/safe_server.rb

Instance Method Summary collapse

Constructor Details

#initialize(name, port, maxClients = 10, timeout = 10, detailedLogging = false) ⇒ SafeServer

Returns a new instance of SafeServer.



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# File 'lib/sappho-socket/safe_server.rb', line 15

def initialize name, port, maxClients = 10, timeout = 10, detailedLogging = false
  @name = name
  @port = port
  @maxClients = maxClients
  @timeout = timeout
  @detailedLogging = detailedLogging
  @clients = {}
  @mutex = Mutex.new
  @log = Sappho::ApplicationAutoFlushLog.instance
end

Instance Method Details

#clientCount ⇒ Object 



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# File 'lib/sappho-socket/safe_server.rb', line 63

def clientCount
  @mutex.synchronize do
    @clients.size
  end
end

#serve ⇒ Object 



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# File 'lib/sappho-socket/safe_server.rb', line 26

def serve
  Thread.new do
    begin
      @log.info "opening #{@name} server port #{@port}"
      @server = TCPServer.open @port
      @log.info "#{@name} server port #{@port} is now open"
      loop do
        if clientCount >= @maxClients
          sleep 1
        else
          @log.info "listening for new clients on #{@name} server port #{@port}" if @detailedLogging
          client = @server.accept
          port, ip = Socket.unpack_sockaddr_in(client.getpeername)
          @mutex.synchronize do
            @clients[client] = ip
            log ip, 'connected' if @detailedLogging
          end
          Thread.new client, ip do | client, ip |
            socket = SafeSocket.new @timeout
            socket.attach client
            begin
              yield socket, ip, @name, @port
            rescue => error
              @log.error error
            end
            socket.close
            @mutex.synchronize do
              @clients.delete client
              log ip, 'disconnected' if @detailedLogging
            end
          end
        end
      end
    end
  end
end