Class: LogPorter::Server::Connection

Inherits:
EventMachine::Connection
  • Object
show all
Includes:
Protocol::Syslog3164
Defined in:
lib/logporter/server/connection.rb

Instance Method Summary collapse

Methods included from Protocol::Syslog3164

#parse_rfc3164, #syslog3164_init

Constructor Details

#initialize(server) ⇒ Connection

Returns a new instance of Connection.



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# File 'lib/logporter/server/connection.rb', line 12

def initialize(server)
  @server = server
  super()
end

Instance Method Details

#post_init ⇒ Object 



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# File 'lib/logporter/server/connection.rb', line 17

def post_init
  super

  if @server.network == :tls
    if RUBY_PLATFORM == "java"
      $STDERR.puts "Warning... EventMachine doesn't support TLS on JRuby :("
    end

    # Calls EventMachine::Connection#start_tls
    start_tls(
      :private_key_file => @server.tls.private_key_file,
      :cert_chain_file => @server.tls.cert_chain_file,
      :verify_peer => @server.tls.verify_peer
    )
  end
  
  @count = 0

  # TODO(sissel): Document why this.
  case @server.wire
    when :raw
      class << self
        alias_method :receive_line, :receive_line_raw
      end
    when :syslog
      class << self
        alias_method :receive_line, :receive_line_syslog
      end
    when :syslog_no_parse_time
      class << self
        alias_method :receive_line, :receive_line_syslog
      end
    else
      raise "Unsupported protocol #{@server.wire}"
  end

    #@server.logger.error "Exception: #{e.inspect}"
    #@server.logger.error "Backtrace: #{e.backtrace}"
  if @server.network != :udp
    peer = get_peername
    if peer.is_a?(Array) # new em-netty::Connection.get_peername
      @client_address, @client_port = peer
    else
      @client_port, @client_address = Socket.unpack_sockaddr_in(peer)
    end
    puts "New client: #{@client_address}:#{@client_port}"
  end
end

#receive_data(data) ⇒ Object

end



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# File 'lib/logporter/server/connection.rb', line 71

def receive_data(data)
  if @server.network == :udp
    peer = get_peername
    if peer.is_a?(Array) # new em-netty::Connection.get_peername
      client_address, client_port = peer
    else
      client_port, client_address = Socket.unpack_sockaddr_in(peer)
    end
    receive_line(data, client_address, client_port)
  else
    client_port = @client_port
    client_address = @client_address
    @buffer ||= BufferedTokenizer.new
    @buffer.extract(data).each do |line|
      receive_line(line.chomp, client_address, client_port)
    end
  end
end

#receive_line_raw(line, address, port) ⇒ Object

def receive_data



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# File 'lib/logporter/server/connection.rb', line 90

def receive_line_raw(line, address, port)
  event = LogPorter::Event.new

  # TODO(sissel): Look for an alternative to Time#strftime since it is
  # insanely slow.
  event.pri = "13" # RFC3164 says unknown pri == 13.
  event.timestamp = Time.now
  event.hostname = address
  event.message = line
  event.raw = true

  @server.receive_event(event, address, port)
  stats
end

#receive_line_syslog(line, address, port) ⇒ Object 



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# File 'lib/logporter/server/connection.rb', line 105

def receive_line_syslog(line, address, port)
  event = LogPorter::Event.new
  if parse_rfc3164(line, event, { :parse_time => (@server.wire == :syslog) })
  #elsif parse_rfc5424(line, event)
  else 
    # Unknown message format, add syslog headers.
    event.pri = "13" # RFC3164 says unknown pri == 13.
    event.timestamp = Time.now
    event.hostname = address
    event.message = line
  end

  @server.receive_event(event, address, port)
  stats
end

#stats ⇒ Object

def receive_line_syslog



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# File 'lib/logporter/server/connection.rb', line 121

def stats
  @start ||= Time.now
  @count += 1
  if (Time.now - @start) > 10
    @server.logger.info "Rate: #{@count / (Time.now - @start)}"
    @start = Time.now
    @count = 0
  end
end