# File lib/net/ssh/connection/session.rb, line 65
    def initialize(transport, options={})
      self.logger = transport.logger

      @transport = transport
      @options = options

      @channel_id_counter = -1
      @channels = Hash.new(NilChannel.new(self))
      @listeners = { transport.socket => nil }
      @pending_requests = []
      @channel_open_handlers = {}
      @on_global_request = {}
      @properties = (options[:properties] || {}).dup

      @max_pkt_size = (options.has_key?(:max_pkt_size) ? options[:max_pkt_size] : 0x8000)
      @max_win_size = (options.has_key?(:max_win_size) ? options[:max_win_size] : 0x20000)

      @last_keepalive_sent_at = nil
    end