Class: Hayabusa::Http_session

Inherits:
Client_session show all
Defined in:
lib/hayabusa_http_session.rb

Overview

This class handels the HTTP-sessions.

Defined Under Namespace

Classes: Contentgroup, Page_environment, Post_multipart, Request, Response

Instance Attribute Summary

Attributes inherited from Client_session

#active, #alert_sent, #browser, #cgroup, #cookie, #data, #debug, #eruby, #get, #handler, #hb, #headers, #httpsession_var, #ip, #meta, #out, #page_path, #post, #request_hash, #resp, #session, #session_hash, #session_id, #working

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Client_session

#add_size, #create_binding, #execute_done, #execute_page, #force_content, #force_fileread, #init_thread, #modified_since, #threadded_content, #write

Constructor Details

#initialize(httpserver, socket) ⇒ Http_session

Returns a new instance of Http_session.



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# File 'lib/hayabusa_http_session.rb', line 10

def initialize(httpserver, socket)
  @data = {}
  @socket = socket
  @httpserver = httpserver
  @hb = httpserver.hb
  @types = @hb.types
  @config = @hb.config
  @active = true
  @debug = @hb.debug
  @handlers_cache = @config[:handlers_cache]
  @httpsession_var = {}
  
  @eruby = Knj::Eruby.new(
    :cache_hash => @hb.eruby_cache,
    :binding_callback => self.method(:create_binding)
  )
  
  #Set socket stuff.
  if RUBY_PLATFORM == "java" or RUBY_ENGINE == "rbx"
    if @hb.config[:peeraddr_static]
      addr_peer = [0, 0, @hb.config[:peeraddr_static]]
    else
      addr_peer = @socket.peeraddr
    end
    
    addr = @socket.addr
  else
    addr = @socket.addr(false)
    addr_peer = @socket.peeraddr(false)
  end
  
  @socket_meta = {
    "REMOTE_ADDR" => addr[2],
    "REMOTE_PORT" => addr[1],
    "SERVER_ADDR" => addr_peer[2],
    "SERVER_PORT" => addr_peer[1]
  }
  
  @resp = Hayabusa::Http_session::Response.new(:hb => @hb, :socket => @socket)
  @handler = Hayabusa::Http_session::Request.new(:hb => @hb, :httpsession => self)
  @cgroup = Hayabusa::Http_session::Contentgroup.new(:socket => @socket, :hb => @hb, :resp => @resp, :httpsession => self)
  @resp.cgroup = @cgroup
  
  Dir.chdir(@config[:doc_root])
  ObjectSpace.define_finalizer(self, self.class.method(:finalize).to_proc) if @debug
  @hb.log_puts "New httpsession #{self.__id__} (total: #{@httpserver.http_sessions.count})." if @debug
  
  @thread_request = Thread.new(&self.method(:thread_request_run))
end

Class Method Details

.const_missing(name) ⇒ Object

Autoloader for subclasses.



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# File 'lib/hayabusa_http_session.rb', line 4

def self.const_missing(name)
  require "#{File.dirname(__FILE__)}/hayabusa_http_session_#{name.to_s.downcase}.rb"
  raise "Still not defined: '#{name}'." if !Hayabusa::Http_session.const_defined?(name)
  return Hayabusa::Http_session.const_get(name.to_s.to_sym)
end

.finalize(id) ⇒ Object 



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# File 'lib/hayabusa_http_session.rb', line 138

def self.finalize(id)
  @hb.log_puts "Hayabusa: Http_session finalize #{id}." if @debug
end

Instance Method Details

#destruct ⇒ Object 



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# File 'lib/hayabusa_http_session.rb', line 142

def destruct
  @hb.log_puts "Hayabusa: Http_session destruct (#{@httpserver.http_sessions.length})" if @debug and @httpserver and @httpserver.http_sessions
  
  begin
    @socket.close if !@socket.closed?
  rescue => e
    @hb.log_puts(e.inspect)
    @hb.log_puts(e.backtrace)
    #ignore if it fails...
  end
  
  @httpserver.http_sessions.delete(self) if @httpserver and @httpserver.http_sessions
  @eruby.destroy if @eruby
  @hb.events.call(:http_session_destruct, :httpsession => self) if @hb.events
  @thread_request.kill if @thread_request.alive?
end

#serve ⇒ Object 



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# File 'lib/hayabusa_http_session.rb', line 159

def serve
  @hb.log_puts "Hayabusa: Generating meta, cookie, get, post and headers." if @debug
  @meta = @handler.meta.merge(@socket_meta)
  @cookie = @handler.cookie
  @get = @handler.get
  @post = @handler.post
  @headers = @handler.headers
  
  close = true if @meta["HTTP_CONNECTION"] == "close"
  @resp.reset(
    :http_version => @handler.http_version,
    :close => close,
    :cookie => @cookie
  )
  if @handler.http_version == "1.1"
    @cgroup.chunked = true
    @resp.chunked = true
  else
    @cgroup.chunked = false
    @resp.chunked = false
  end
  
  @page_path = @handler.page_path
  @hb.log_puts "Hayabusa: Page path: #{@page_path}" if @debug
  
  @ext = File.extname(@page_path).downcase[1..-1].to_s
  
  @ctype = @types[@ext.to_sym] if @ext.length > 0 and @types.key?(@ext.to_sym)
  @ctype = @config[:default_filetype] if !@ctype and @config.key?(:default_filetype)
  @resp.header("Content-Type", @ctype)
  
  @browser = Knj::Web.browser(@meta)
  @ip = @hb.ip(:meta => @meta)
  
  @hb.log_puts "Hayabusa: Figuring out session-ID, session-object and more." if @debug
  if @cookie["HayabusaSession"].to_s.length > 0
    @session_id = @cookie["HayabusaSession"]
  elsif @browser["browser"] == "bot"
    @session_id = "bot"
  else
    @session_id = @hb.session_generate_id(@meta)
    send_cookie = true
  end
  
  begin
    @session, @session_hash = @hb.session_fromid(@ip, @session_id, @meta)
  rescue ArgumentError => e
    #User should not have the session he asked for because of invalid user-agent or invalid IP.
    @session_id = @hb.session_generate_id(@meta)
    @session, @session_hash = @hb.session_fromid(@ip, @session_id, @meta)
    send_cookie = true
  end
  
  if send_cookie
    @resp.cookie(
      "name" => "HayabusaSession",
      "value" => @session_id,
      "path" => "/",
      "expires" => Time.now + 32140800 #add around 12 months from the current time
    )
  end
  
  if @config.key?(:logging) and @config[:logging][:access_db]
    @hb.log_puts "Hayabusa: Doing access-logging." if @debug
    @ips = [@meta["REMOTE_ADDR"]]
    @ips << @meta["HTTP_X_FORWARDED_FOR"].split(",")[0].strip if @meta["HTTP_X_FORWARDED_FOR"]
    @hb.logs_access_pending << {
      :session_id => @session.id,
      :date_request => Time.now,
      :ips => @ips,
      :get => @get,
      :post => @post,
      :meta => @meta,
      :cookie => @cookie
    }
  end
  
  @hb.log_puts "Initializing thread and content-group." if @debug
  self.init_thread
  Thread.current[:hayabusa][:contentgroup] = @cgroup
  
  self.execute_page
  self.execute_done
end

#thread_request_run ⇒ Object 



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# File 'lib/hayabusa_http_session.rb', line 60

def thread_request_run
  Thread.current[:hayabusa] = {} if !Thread.current[:hayabusa]
  Thread.current[:type] = :httpsession
  
  if @config.key?(:max_requests_working)
    max_requests_working = @config[:max_requests_working].to_i
  else
    max_requests_working = false
  end
  
  begin
    while @active
      begin
        @cgroup.reset
        @written_size = 0
        @size_send = @config[:size_send]
        @alert_sent = false
        @working = false
        break if @hb.should_restart
        
        @hb.log_puts "#{__id__} - Waiting to parse from socket." if @debug
        Timeout.timeout(1800) do
          @handler.socket_parse(@socket)
        end
        
        begin
          @hb.log_puts "#{__id__} - Done parsing from socket." if @debug
          
          while @hb.paused? #Check if we should be waiting with executing the pending request.
            @hb.log_puts "#{__id__} - Paused! (#{@hb.paused}) - sleeping." if @debug
            sleep 0.1
          end
          
          break if @hb.should_restart
          
          if max_requests_working and @httpserver
            while @httpserver.working_count.to_i >= max_requests_working
              @hb.log_puts "#{__id__} - Maximum amounts of requests are working (#{@httpserver.working_count}, #{max_requests_working}) - sleeping." if @debug
              sleep 0.1
            end
          end
          
          #Reserve database connections.
          @hb.db_handler.get_and_register_thread if @hb.db_handler.opts[:threadsafe]
          @hb.ob.db.get_and_register_thread if @hb.ob.db.opts[:threadsafe]
          
          @working = true
          @hb.log_puts "#{__id__} - Serving." if @debug
          
          @httpserver.count_block do
            self.serve
          end
        ensure
          @handler.delete_tempfiles
        end
      ensure
        @hb.log_puts "#{__id__} - Closing request." if @debug
        @working = false
        
        #Free reserved database-connections.
        @hb.db_handler.free_thread if @hb and @hb.db_handler.opts[:threadsafe]
        @hb.ob.db.free_thread if @hb and @hb.ob.db.opts[:threadsafe]
      end
    end
  rescue Timeout::Error
    @hb.log_puts "#{__id__} - Closing httpsession because of timeout." if @debug
  rescue Errno::ECONNRESET, Errno::ENOTCONN, Errno::EPIPE => e
    @hb.log_puts "#{__id__} - Connection error (#{e.inspect})..." if @debug
    @hb.log_puts e.backtrace if @debug
  rescue Interrupt => e
    raise e
  rescue Exception => e
    @hb.log_puts Knj::Errors.error_str(e)
  ensure
    self.destruct
  end
end