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Refactoring. Pretty output.
[shogi-server/shogi-server.git] / shogi-server
index 6cb041d..0cde3d2 100755 (executable)
@@ -1,7 +1,7 @@
 #! /usr/bin/env ruby
-## -*-Ruby-*- $RCSfile$ $Revision$ $Name$
+## $Id$
 
-## Copyright (C) 2004 773@2ch
+## Copyright (C) 2004 NABEYA Kenichi (aka nanami@2ch)
 ##
 ## This program is free software; you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
 ## along with this program; if not, write to the Free Software
 ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-DEFAULT_TIMEOUT = 10            # for single socket operation
-Total_Time = 1500
+module ShogiServer # for a namespace
+
+Max_Write_Queue_Size = 1000
+Max_Identifier_Length = 32
+Default_Timeout = 60            # for single socket operation
+
+Default_Game_Name = "default-1500-0"
+
+One_Time = 10
 Least_Time_Per_Move = 1
-Watchdog_Time = 30              # time for ping
 Login_Time = 300                # time for LOGIN
 
 Release = "$Name$".split[1].sub(/\A[^\d]*/, '').gsub(/_/, '.')
 Release.concat("-") if (Release == "")
 Revision = "$Revision$".gsub(/[^\.\d]/, '')
 
-STDOUT.sync = true
-STDERR.sync = true
-
 require 'getoptlong'
 require 'thread'
 require 'timeout'
 require 'socket'
-require 'ping'
+require 'yaml'
+require 'yaml/store'
+require 'digest/md5'
+
 
-TCPSocket.do_not_reverse_lookup = true
 
 class TCPSocket
-  def gets_timeout(t = DEFAULT_TIMEOUT)
+  def gets_timeout(t = Default_Timeout)
     begin
       timeout(t) do
         return self.gets
@@ -50,11 +55,23 @@ class TCPSocket
       return nil
     end
   end
-  def gets_safe
-    begin
-      return self.gets
-    rescue
-      return nil
+  def gets_safe(t = nil)
+    if (t && t > 0)
+      begin
+        timeout(t) do
+          return self.gets
+        end
+      rescue TimeoutError
+        return :timeout
+      rescue
+        return nil
+      end
+    else
+      begin
+        return self.gets
+      rescue
+        return nil
+      end
     end
   end
   def write_safe(str)
@@ -69,236 +86,1362 @@ end
 
 class League
   def initialize
-    @hash = Hash::new
+    @games = Hash::new
+    @players = Hash::new
+    @event = nil
+    @db = YAML::Store.new( File.join(File.dirname(__FILE__), "players.yaml") )
   end
-  attr_accessor :hash
+  attr_accessor :players, :games, :event
 
   def add(player)
-    @hash[player.name] = player
+    self.load(player) if player.id
+    @players[player.name] = player
   end
+  
   def delete(player)
-    @hash.delete(player.name)
-  end
-  def duplicated?(player)
-    if (@hash[player.name])
-      return true
-    else
-      return false
-    end
+    @players.delete(player.name)
   end
+  
   def get_player(status, game_name, sente, searcher=nil)
-    @hash.each do |name, player|
+    @players.each do |name, player|
       if ((player.status == status) &&
           (player.game_name == game_name) &&
-          ((player.sente == nil) || (player.sente == sente)) &&
+          ((sente == nil) || (player.sente == nil) || (player.sente == sente)) &&
           ((searcher == nil) || (player != searcher)))
         return player
       end
     end
     return nil
   end
-  def new_game(game_name, player0, player1)
-    game = Game::new(game_name, player0, player1)
+  
+  def load(player)
+    hash = search(player.id)
+    if hash
+      # a current user
+      player.name         = hash['name']
+      player.rate         = hash['rate']
+      player.modified_at  = hash['last_modified']
+      player.rating_group = hash['rating_group']
+    end
+  end
+
+  def search(id)
+    hash = nil
+    @db.transaction do
+      @db["players"].each do |group, players|
+        hash = players[id]
+        break if hash
+      end
+    end
+    hash
+  end
+
+  def rated_players
+    players = []
+    @db.transaction(true) do
+      @db["players"].each do |group, players_hash|
+        players << players_hash.keys
+      end
+    end
+    return players.flatten.collect do |id|
+      p = BasicPlayer.new
+      p.id = id
+      self.load(p)
+      p
+    end
   end
 end
 
 
+######################################################
+# Processes the LOGIN command.
+#
+class Login
+  def Login.good_login?(str)
+    tokens = str.split
+    if (((tokens.length == 3) || ((tokens.length == 4) && tokens[3] == "x1")) &&
+        (tokens[0] == "LOGIN") &&
+        (good_identifier?(tokens[1])))
+      return true
+    else
+      return false
+    end
+  end
 
+  def Login.good_game_name?(str)
+    if ((str =~ /^(.+)-\d+-\d+$/) && (good_identifier?($1)))
+      return true
+    else
+      return false
+    end
+  end
 
-class Player
-  def initialize(str, socket)
+  def Login.good_identifier?(str)
+    if str =~ /\A[\w\d_@\-\.]{1,#{Max_Identifier_Length}}\z/
+      return true
+    else
+      return false
+    end
+  end
+
+  def Login.factory(str, player)
+    (login, player.name, password, ext) = str.chomp.split
+    if (ext)
+      return Loginx1.new(player, password)
+    else
+      return LoginCSA.new(player, password)
+    end
+  end
+
+  attr_reader :player
+  
+  # the first command that will be executed just after LOGIN.
+  # If it is nil, the default process will be started.
+  attr_reader :csa_1st_str
+
+  def initialize(player, password)
+    @player = player
+    @csa_1st_str = nil
+    parse_password(password)
+  end
+
+  def process
+    @player.write_safe(sprintf("LOGIN:%s OK\n", @player.name))
+    log_message(sprintf("user %s run in %s mode", @player.name, @player.protocol))
+  end
+
+  def incorrect_duplicated_player(str)
+    @player.write_safe("LOGIN:incorrect\n")
+    @player.write_safe(sprintf("username %s is already connected\n", @player.name)) if (str.split.length >= 4)
+    sleep 3 # wait for sending the above messages.
+    @player.name = "%s [duplicated]" % [@player.name]
+    @player.finish
+  end
+end
+
+######################################################
+# Processes LOGIN for the CSA standard mode.
+#
+class LoginCSA < Login
+  PROTOCOL = "CSA"
+
+  def initialize(player, password)
+    @gamename = nil
+    super
+    @player.protocol = PROTOCOL
+  end
+
+  def parse_password(password)
+    if Login.good_game_name?(password)
+      @gamename = password
+      @player.set_password(nil)
+    elsif password.split(",").size > 1
+      @gamename, *trip = password.split(",")
+      @player.set_password(trip.join(","))
+    else
+      @player.set_password(password)
+      @gamename = Default_Game_Name
+    end
+    @gamename = self.class.good_game_name?(@gamename) ? @gamename : Default_Game_Name
+  end
+
+  def process
+    super
+    @csa_1st_str = "%%GAME #{@gamename} *"
+  end
+end
+
+######################################################
+# Processes LOGIN for the extented mode.
+#
+class Loginx1 < Login
+  PROTOCOL = "x1"
+
+  def initialize(player, password)
+    super
+    @player.protocol = PROTOCOL
+  end
+  
+  def parse_password(password)
+    @player.set_password(password)
+  end
+
+  def process
+    super
+    @player.write_safe(sprintf("##[LOGIN] +OK %s\n", PROTOCOL))
+  end
+end
+
+
+class BasicPlayer
+  # Idetifier of the player in the rating system
+  attr_accessor :id
+
+  # Name of the player
+  attr_accessor :name
+  
+  # Password of the player, which does not include a trip
+  attr_accessor :password
+
+  # Score in the rating sysem
+  attr_accessor :rate
+  
+  # Group in the rating system
+  attr_accessor :rating_group
+
+  # Last timestamp when the rate was modified
+  attr_accessor :modified_at
+
+  def initialize
     @name = nil
     @password = nil
+  end
+
+  def modified_at
+    @modified_at || Time.now
+  end
+
+  def rate=(new_rate)
+    if @rate != new_rate
+      @rate = new_rate
+      @modified_at = Time.now
+    end
+  end
+
+  def rated?
+    @id != nil
+  end
+
+  def simple_id
+    if @trip
+      simple_name = @name.gsub(/@.*?$/, '')
+      "%s+%s" % [simple_name, @trip[0..8]]
+    else
+      @name
+    end
+  end
+
+  ##
+  # Parses str in the LOGIN command, sets up @id and @trip
+  #
+  def set_password(str)
+    if str && !str.empty?
+      @password = str.strip
+      @id   = "%s+%s" % [@name, Digest::MD5.hexdigest(@password)]
+    else
+      @id = @password = nil
+    end
+  end
+end
+
+
+class Player < BasicPlayer
+  def initialize(str, socket)
+    super()
     @socket = socket
-    @status = "connected"        # game_waiting -> agree_waiting -> start_waiting -> game
+    @status = "connected"        # game_waiting -> agree_waiting -> start_waiting -> game -> finished
 
     @protocol = nil             # CSA or x1
     @eol = "\m"                 # favorite eol code
     @game = nil
     @game_name = ""
-    @mytime = Total_Time
+    @mytime = 0                 # set in start method also
     @sente = nil
-    @watchdog_thread = nil
+    @write_queue = Queue::new
+    @main_thread = Thread::current
+    @writer_thread = Thread::start do
+      Thread.pass
+      writer()
+    end
+  end
+
+  attr_accessor :socket, :status
+  attr_accessor :protocol, :eol, :game, :mytime, :game_name, :sente
+  attr_accessor :main_thread, :writer_thread, :write_queue
+  
+  def kill
+    log_message(sprintf("user %s killed", @name))
+    if (@game)
+      @game.kill(self)
+    end
+    finish
+    Thread::kill(@main_thread) if @main_thread
+  end
+
+  def finish
+    if (@status != "finished")
+      @status = "finished"
+      log_message(sprintf("user %s finish", @name))    
+      # TODO you should confirm that there is no message in the queue.
+      Thread::kill(@writer_thread) if @writer_thread
+      begin
+        @socket.close if (! @socket.closed?)
+      rescue
+        log_message(sprintf("user %s finish failed", @name))    
+      end
+    end
+  end
+
+  def write_safe(str)
+    @write_queue.push(str.gsub(/[\r\n]+/, @eol))
+  end
+
+  def writer
+    while (str = @write_queue.pop)
+      @socket.write_safe(str)
+    end
+  end
+
+  def to_s
+    if ((status == "game_waiting") ||
+        (status == "start_waiting") ||
+        (status == "agree_waiting") ||
+        (status == "game"))
+      if (@sente)
+        return sprintf("%s %s %s %s +", @name, @protocol, @status, @game_name)
+      elsif (@sente == false)
+        return sprintf("%s %s %s %s -", @name, @protocol, @status, @game_name)
+      elsif (@sente == nil)
+        return sprintf("%s %s %s %s *", @name, @protocol, @status, @game_name)
+      end
+    else
+      return sprintf("%s %s %s", @name, @protocol, @status)
+    end
+  end
+
+  def write_help
+    @socket.write_safe('##[HELP] available commands "%%WHO", "%%CHAT str", "%%GAME game_name +", "%%GAME game_name -"')
+  end
+
+  def run(csa_1st_str=nil)
+    while (csa_1st_str || (str = @socket.gets_safe(Default_Timeout)))
+      begin
+        $mutex.lock
+        if (csa_1st_str)
+          str = csa_1st_str
+          csa_1st_str = nil
+        end
+        if (@write_queue.size > Max_Write_Queue_Size)
+          log_warning(sprintf("write_queue of %s is %d", @name, @write_queue.size))
+               return
+        end
+
+        if (@status == "finished")
+          return
+        end
+        str.chomp! if (str.class == String)
+        case str
+        when /^[\+\-][^%]/
+          if (@status == "game")
+            array_str = str.split(",")
+            move = array_str.shift
+            additional = array_str.shift
+            if /^'(.*)/ =~ additional
+              comment = array_str.unshift("'*#{$1}")
+            end
+            s = @game.handle_one_move(move, self)
+            @game.fh.print("#{comment}\n") if (comment && !s)
+            return if (s && @protocol == LoginCSA::PROTOCOL)
+          end
+        when /^%[^%]/, :timeout
+          if (@status == "game")
+            s = @game.handle_one_move(str, self)
+            return if (s && @protocol == LoginCSA::PROTOCOL)
+          end
+        when /^REJECT/
+          if (@status == "agree_waiting")
+            @game.reject(@name)
+            return if (@protocol == LoginCSA::PROTOCOL)
+          else
+            write_safe(sprintf("##[ERROR] you are in %s status. AGREE is valid in agree_waiting status\n", @status))
+          end
+        when /^AGREE/
+          if (@status == "agree_waiting")
+            @status = "start_waiting"
+            if ((@game.sente.status == "start_waiting") &&
+                (@game.gote.status == "start_waiting"))
+              @game.start
+              @game.sente.status = "game"
+              @game.gote.status = "game"
+            end
+          else
+            write_safe(sprintf("##[ERROR] you are in %s status. AGREE is valid in agree_waiting status\n", @status))
+          end
+        when /^%%SHOW\s+(\S+)/
+          game_id = $1
+          if (LEAGUE.games[game_id])
+            write_safe(LEAGUE.games[game_id].show.gsub(/^/, '##[SHOW] '))
+          end
+          write_safe("##[SHOW] +OK\n")
+        when /^%%MONITORON\s+(\S+)/
+          game_id = $1
+          if (LEAGUE.games[game_id])
+            LEAGUE.games[game_id].monitoron(self)
+            write_safe(LEAGUE.games[game_id].show.gsub(/^/, "##[MONITOR][#{game_id}] "))
+            write_safe("##[MONITOR][#{game_id}] +OK\n")
+          end
+        when /^%%MONITOROFF\s+(\S+)/
+          game_id = $1
+          if (LEAGUE.games[game_id])
+            LEAGUE.games[game_id].monitoroff(self)
+          end
+        when /^%%HELP/
+          write_help
+        when /^%%RATING/
+          players = LEAGUE.rated_players
+          players.sort {|a,b| b.rate <=> a.rate}.each do |p|
+            write_safe("##[RATING] %s \t %4d @%s\n" % 
+                       [p.simple_id, p.rate, p.modified_at.strftime("%Y-%m-%d")])
+          end
+          write_safe("##[RATING] +OK\n")
+        when /^%%VERSION/
+          write_safe "##[VERSION] Shogi Server revision #{Revision}\n"
+          write_safe("##[VERSION] +OK\n")
+        when /^%%GAME\s*$/
+          if ((@status == "connected") || (@status == "game_waiting"))
+            @status = "connected"
+            @game_name = ""
+          else
+            write_safe(sprintf("##[ERROR] you are in %s status. GAME is valid in connected or game_waiting status\n", @status))
+          end
+        when /^%%(GAME|CHALLENGE)\s+(\S+)\s+([\+\-\*])\s*$/
+          command_name = $1
+          game_name = $2
+          my_sente_str = $3
+          if (! Login::good_game_name?(game_name))
+            write_safe(sprintf("##[ERROR] bad game name\n"))
+            next
+          elsif ((@status == "connected") || (@status == "game_waiting"))
+            ## continue
+          else
+            write_safe(sprintf("##[ERROR] you are in %s status. GAME is valid in connected or game_waiting status\n", @status))
+            next
+          end
+          if ((my_sente_str == "*") ||
+              (my_sente_str == "+") ||
+              (my_sente_str == "-"))
+            ## ok
+          else
+            write_safe(sprintf("##[ERROR] bad game option\n"))
+            next
+          end
+
+          if (my_sente_str == "*")
+            rival = LEAGUE.get_player("game_waiting", game_name, nil, self) # no preference
+          elsif (my_sente_str == "+")
+            rival = LEAGUE.get_player("game_waiting", game_name, false, self) # rival must be gote
+          elsif (my_sente_str == "-")
+            rival = LEAGUE.get_player("game_waiting", game_name, true, self) # rival must be sente
+          else
+            ## never reached
+          end
+          if (rival)
+            @game_name = game_name
+            if ((my_sente_str == "*") && (rival.sente == nil))
+              if (rand(2) == 0)
+                @sente = true
+                rival.sente = false
+              else
+                @sente = false
+                rival.sente = true
+              end
+            elsif (rival.sente == true) # rival has higher priority
+              @sente = false
+            elsif (rival.sente == false)
+              @sente = true
+            elsif (my_sente_str == "+")
+              @sente = true
+              rival.sente = false
+            elsif (my_sente_str == "-")
+              @sente = false
+              rival.sente = true
+            else
+              ## never reached
+            end
+            Game::new(@game_name, self, rival)
+            self.status = "agree_waiting"
+            rival.status = "agree_waiting"
+          else # rival not found
+            if (command_name == "GAME")
+              @status = "game_waiting"
+              @game_name = game_name
+              if (my_sente_str == "+")
+                @sente = true
+              elsif (my_sente_str == "-")
+                @sente = false
+              else
+                @sente = nil
+              end
+            else                # challenge
+              write_safe(sprintf("##[ERROR] can't find rival for %s\n", game_name))
+              @status = "connected"
+              @game_name = ""
+              @sente = nil
+            end
+          end
+        when /^%%CHAT\s+(.+)/
+          message = $1
+          LEAGUE.players.each do |name, player|
+            if (player.protocol != LoginCSA::PROTOCOL)
+              player.write_safe(sprintf("##[CHAT][%s] %s\n", @name, message)) 
+            end
+          end
+        when /^%%LIST/
+          buf = Array::new
+          LEAGUE.games.each do |id, game|
+            buf.push(sprintf("##[LIST] %s\n", id))
+          end
+          buf.push("##[LIST] +OK\n")
+          write_safe(buf.join)
+        when /^%%WHO/
+          buf = Array::new
+          LEAGUE.players.each do |name, player|
+            buf.push(sprintf("##[WHO] %s\n", player.to_s))
+          end
+          buf.push("##[WHO] +OK\n")
+          write_safe(buf.join)
+        when /^LOGOUT/
+          @status = "connected"
+          write_safe("LOGOUT:completed\n")
+          return
+        when /^\s*$/
+          ## ignore null string
+        else
+          write_safe(sprintf("##[ERROR] unknown command %s\n", str))
+        end
+      ensure
+        $mutex.unlock
+      end
+    end                         # enf of while
+  end
+end
+
+class Piece
+  PROMOTE = {"FU" => "TO", "KY" => "NY", "KE" => "NK", "GI" => "NG", "KA" => "UM", "HI" => "RY"}
+  def initialize(board, x, y, sente, promoted=false)
+    @board = board
+    @x = x
+    @y = y
+    @sente = sente
+    @promoted = promoted
+
+    if ((x == 0) || (y == 0))
+      if (sente)
+        hands = board.sente_hands
+      else
+        hands = board.gote_hands
+      end
+      hands.push(self)
+      hands.sort! {|a, b|
+        a.name <=> b.name
+      }
+    else
+      @board.array[x][y] = self
+    end
+  end
+  attr_accessor :promoted, :sente, :x, :y, :board
+
+  def room_of_head?(x, y, name)
+    true
+  end
+
+  def movable_grids
+    return adjacent_movable_grids + far_movable_grids
+  end
+
+  def far_movable_grids
+    return []
+  end
+
+  def jump_to?(x, y)
+    if ((1 <= x) && (x <= 9) && (1 <= y) && (y <= 9))
+      if ((@board.array[x][y] == nil) || # dst is empty
+          (@board.array[x][y].sente != @sente)) # dst is enemy
+        return true
+      end
+    end
+    return false
+  end
+
+  def put_to?(x, y)
+    if ((1 <= x) && (x <= 9) && (1 <= y) && (y <= 9))
+      if (@board.array[x][y] == nil) # dst is empty?
+        return true
+      end
+    end
+    return false
+  end
+
+  def adjacent_movable_grids
+    grids = Array::new
+    if (@promoted)
+      moves = @promoted_moves
+    else
+      moves = @normal_moves
+    end
+    moves.each do |(dx, dy)|
+      if (@sente)
+        cand_y = @y - dy
+      else
+        cand_y = @y + dy
+      end
+      cand_x = @x + dx
+      if (jump_to?(cand_x, cand_y))
+        grids.push([cand_x, cand_y])
+      end
+    end
+    return grids
+  end
+
+  def move_to?(x, y, name)
+    return false if (! room_of_head?(x, y, name))
+    return false if ((name != @name) && (name != @promoted_name))
+    return false if (@promoted && (name != @promoted_name)) # can't un-promote
+
+    if (! @promoted)
+      return false if (((@x == 0) || (@y == 0)) && (name != @name)) # can't put promoted piece
+      if (@sente)
+        return false if ((4 <= @y) && (4 <= y) && (name != @name)) # can't promote
+      else
+        return false if ((6 >= @y) && (6 >= y) && (name != @name))
+      end
+    end
+
+    if ((@x == 0) || (@y == 0))
+      return jump_to?(x, y)
+    else
+      return movable_grids.include?([x, y])
+    end
+  end
+
+  def move_to(x, y)
+    if ((@x == 0) || (@y == 0))
+      if (@sente)
+        @board.sente_hands.delete(self)
+      else
+        @board.gote_hands.delete(self)
+      end
+      @board.array[x][y] = self
+    elsif ((x == 0) || (y == 0))
+      @promoted = false         # clear promoted flag before moving to hands
+      if (@sente)
+        @board.sente_hands.push(self)
+      else
+        @board.gote_hands.push(self)
+      end
+      @board.array[@x][@y] = nil
+    else
+      @board.array[@x][@y] = nil
+      @board.array[x][y] = self
+    end
+    @x = x
+    @y = y
+  end
+
+  def point
+    @point
+  end
+
+  def name
+    @name
+  end
+
+  def promoted_name
+    @promoted_name
+  end
+
+  def to_s
+    if (@sente)
+      sg = "+"
+    else
+      sg = "-"
+    end
+    if (@promoted)
+      n = @promoted_name
+    else
+      n = @name
+    end
+    return sg + n
+  end
+end
+
+class PieceFU < Piece
+  def initialize(*arg)
+    @point = 1
+    @normal_moves = [[0, +1]]
+    @promoted_moves = [[0, +1], [+1, +1], [-1, +1], [+1, +0], [-1, +0], [0, -1]]
+    @name = "FU"
+    @promoted_name = "TO"
+    super
+  end
+  def room_of_head?(x, y, name)
+    if (name == "FU")
+      if (@sente)
+        return false if (y == 1)
+      else
+        return false if (y == 9)
+      end
+      ## 2fu check
+      c = 0
+      iy = 1
+      while (iy <= 9)
+        if ((iy  != @y) &&      # not source position
+            @board.array[x][iy] &&
+            (@board.array[x][iy].sente == @sente) && # mine
+            (@board.array[x][iy].name == "FU") &&
+            (@board.array[x][iy].promoted == false))
+          return false
+        end
+        iy = iy + 1
+      end
+    end
+    return true
+  end
+end
+
+class PieceKY  < Piece
+  def initialize(*arg)
+    @point = 1
+    @normal_moves = []
+    @promoted_moves = [[0, +1], [+1, +1], [-1, +1], [+1, +0], [-1, +0], [0, -1]]
+    @name = "KY"
+    @promoted_name = "NY"
+    super
+  end
+  def room_of_head?(x, y, name)
+    if (name == "KY")
+      if (@sente)
+        return false if (y == 1)
+      else
+        return false if (y == 9)
+      end
+    end
+    return true
+  end
+  def far_movable_grids
+    grids = Array::new
+    if (@promoted)
+      return []
+    else
+      if (@sente)                 # up
+        cand_x = @x
+        cand_y = @y - 1
+        while (jump_to?(cand_x, cand_y))
+          grids.push([cand_x, cand_y])
+          break if (! put_to?(cand_x, cand_y))
+          cand_y = cand_y - 1
+        end
+      else                        # down
+        cand_x = @x
+        cand_y = @y + 1
+        while (jump_to?(cand_x, cand_y))
+          grids.push([cand_x, cand_y])
+          break if (! put_to?(cand_x, cand_y))
+          cand_y = cand_y + 1
+        end
+      end
+      return grids
+    end
+  end
+end
+class PieceKE  < Piece
+  def initialize(*arg)
+    @point = 1
+    @normal_moves = [[+1, +2], [-1, +2]]
+    @promoted_moves = [[0, +1], [+1, +1], [-1, +1], [+1, +0], [-1, +0], [0, -1]]
+    @name = "KE"
+    @promoted_name = "NK"
+    super
+  end
+  def room_of_head?(x, y, name)
+    if (name == "KE")
+      if (@sente)
+        return false if ((y == 1) || (y == 2))
+      else
+        return false if ((y == 9) || (y == 8))
+      end
+    end
+    return true
+  end
+end
+class PieceGI  < Piece
+  def initialize(*arg)
+    @point = 1
+    @normal_moves = [[0, +1], [+1, +1], [-1, +1], [+1, -1], [-1, -1]]
+    @promoted_moves = [[0, +1], [+1, +1], [-1, +1], [+1, +0], [-1, +0], [0, -1]]
+    @name = "GI"
+    @promoted_name = "NG"
+    super
+  end
+end
+class PieceKI  < Piece
+  def initialize(*arg)
+    @point = 1
+    @normal_moves = [[0, +1], [+1, +1], [-1, +1], [+1, +0], [-1, +0], [0, -1]]
+    @promoted_moves = []
+    @name = "KI"
+    @promoted_name = nil
+    super
+  end
+end
+class PieceKA  < Piece
+  def initialize(*arg)
+    @point = 5
+    @normal_moves = []
+    @promoted_moves = [[0, +1], [+1, 0], [-1, 0], [0, -1]]
+    @name = "KA"
+    @promoted_name = "UM"
+    super
+  end
+  def far_movable_grids
+    grids = Array::new
+    ## up right
+    cand_x = @x - 1
+    cand_y = @y - 1
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_x = cand_x - 1
+      cand_y = cand_y - 1
+    end
+    ## down right
+    cand_x = @x - 1
+    cand_y = @y + 1
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_x = cand_x - 1
+      cand_y = cand_y + 1
+    end
+    ## up left
+    cand_x = @x + 1
+    cand_y = @y - 1
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_x = cand_x + 1
+      cand_y = cand_y - 1
+    end
+    ## down left
+    cand_x = @x + 1
+    cand_y = @y + 1
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_x = cand_x + 1
+      cand_y = cand_y + 1
+    end
+    return grids
+  end
+end
+class PieceHI  < Piece
+  def initialize(*arg)
+    @point = 5
+    @normal_moves = []
+    @promoted_moves = [[+1, +1], [-1, +1], [+1, -1], [-1, -1]]
+    @name = "HI"
+    @promoted_name = "RY"
+    super
+  end
+  def far_movable_grids
+    grids = Array::new
+    ## up
+    cand_x = @x
+    cand_y = @y - 1
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_y = cand_y - 1
+    end
+    ## down
+    cand_x = @x
+    cand_y = @y + 1
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_y = cand_y + 1
+    end
+    ## right
+    cand_x = @x - 1
+    cand_y = @y
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_x = cand_x - 1
+    end
+    ## down
+    cand_x = @x + 1
+    cand_y = @y
+    while (jump_to?(cand_x, cand_y))
+      grids.push([cand_x, cand_y])
+      break if (! put_to?(cand_x, cand_y))
+      cand_x = cand_x + 1
+    end
+    return grids
+  end
+end
+class PieceOU < Piece
+  def initialize(*arg)
+    @point = 0
+    @normal_moves = [[0, +1], [+1, +1], [-1, +1], [+1, +0], [-1, +0], [0, -1], [+1, -1], [-1, -1]]
+    @promoted_moves = []
+    @name = "OU"
+    @promoted_name = nil
+    super
+  end
+end
+
+class Board
+  def initialize
+    @sente_hands = Array::new
+    @gote_hands = Array::new
+    @history = Hash::new
+    @sente_history = Hash::new
+    @gote_history = Hash::new
+    @array = [[], [], [], [], [], [], [], [], [], []]
+    @move_count = 0
+  end
+  attr_accessor :array, :sente_hands, :gote_hands, :history, :sente_history, :gote_history
+  attr_reader :move_count
+
+  def initial
+    PieceKY::new(self, 1, 1, false)
+    PieceKE::new(self, 2, 1, false)
+    PieceGI::new(self, 3, 1, false)
+    PieceKI::new(self, 4, 1, false)
+    PieceOU::new(self, 5, 1, false)
+    PieceKI::new(self, 6, 1, false)
+    PieceGI::new(self, 7, 1, false)
+    PieceKE::new(self, 8, 1, false)
+    PieceKY::new(self, 9, 1, false)
+    PieceKA::new(self, 2, 2, false)
+    PieceHI::new(self, 8, 2, false)
+    PieceFU::new(self, 1, 3, false)
+    PieceFU::new(self, 2, 3, false)
+    PieceFU::new(self, 3, 3, false)
+    PieceFU::new(self, 4, 3, false)
+    PieceFU::new(self, 5, 3, false)
+    PieceFU::new(self, 6, 3, false)
+    PieceFU::new(self, 7, 3, false)
+    PieceFU::new(self, 8, 3, false)
+    PieceFU::new(self, 9, 3, false)
+
+    PieceKY::new(self, 1, 9, true)
+    PieceKE::new(self, 2, 9, true)
+    PieceGI::new(self, 3, 9, true)
+    PieceKI::new(self, 4, 9, true)
+    PieceOU::new(self, 5, 9, true)
+    PieceKI::new(self, 6, 9, true)
+    PieceGI::new(self, 7, 9, true)
+    PieceKE::new(self, 8, 9, true)
+    PieceKY::new(self, 9, 9, true)
+    PieceKA::new(self, 8, 8, true)
+    PieceHI::new(self, 2, 8, true)
+    PieceFU::new(self, 1, 7, true)
+    PieceFU::new(self, 2, 7, true)
+    PieceFU::new(self, 3, 7, true)
+    PieceFU::new(self, 4, 7, true)
+    PieceFU::new(self, 5, 7, true)
+    PieceFU::new(self, 6, 7, true)
+    PieceFU::new(self, 7, 7, true)
+    PieceFU::new(self, 8, 7, true)
+    PieceFU::new(self, 9, 7, true)
+  end
+
+  def have_piece?(hands, name)
+    piece = hands.find { |i|
+      i.name == name
+    }
+    return piece
+  end
+
+  def move_to(x0, y0, x1, y1, name, sente)
+    if (sente)
+      hands = @sente_hands
+    else
+      hands = @gote_hands
+    end
+
+    if ((x0 == 0) || (y0 == 0))
+      piece = have_piece?(hands, name)
+      return :illegal if (! piece.move_to?(x1, y1, name))
+      piece.move_to(x1, y1)
+    else
+      return :illegal if (! @array[x0][y0].move_to?(x1, y1, name))
+      if (@array[x0][y0].name != name) # promoted ?
+        @array[x0][y0].promoted = true
+      end
+      if (@array[x1][y1])
+        if (@array[x1][y1].name == "OU")
+          return :outori        # return board update
+        end
+        @array[x1][y1].sente = @array[x0][y0].sente
+        @array[x1][y1].move_to(0, 0)
+        hands.sort! {|a, b|
+          a.name <=> b.name
+        }
+      end
+      @array[x0][y0].move_to(x1, y1)
+    end
+    @move_count += 1
+    return true
+  end
+
+  def look_for_ou(sente)
+    x = 1
+    while (x <= 9)
+      y = 1
+      while (y <= 9)
+        if (@array[x][y] &&
+            (@array[x][y].name == "OU") &&
+            (@array[x][y].sente == sente))
+          return @array[x][y]
+        end
+        y = y + 1
+      end
+      x = x + 1
+    end
+    raise "can't find ou"
+  end
+
+  def checkmated?(sente)        # sente is loosing
+    ou = look_for_ou(sente)
+    x = 1
+    while (x <= 9)
+      y = 1
+      while (y <= 9)
+        if (@array[x][y] &&
+            (@array[x][y].sente != sente))
+          if (@array[x][y].movable_grids.include?([ou.x, ou.y]))
+            return true
+          end
+        end
+        y = y + 1
+      end
+      x = x + 1
+    end
+    return false
+  end
+
+  def uchifuzume?(sente)
+    rival_ou = look_for_ou(! sente)   # rival's ou
+    if (sente)                  # rival is gote
+      if ((rival_ou.y != 9) &&
+          (@array[rival_ou.x][rival_ou.y + 1]) &&
+          (@array[rival_ou.x][rival_ou.y + 1].name == "FU") &&
+          (@array[rival_ou.x][rival_ou.y + 1].sente == sente)) # uchifu true
+        fu_x = rival_ou.x
+        fu_y = rival_ou.y + 1
+      else
+        return false
+      end
+    else                        # gote
+      if ((rival_ou.y != 0) &&
+          (@array[rival_ou.x][rival_ou.y - 1]) &&
+          (@array[rival_ou.x][rival_ou.y - 1].name == "FU") &&
+          (@array[rival_ou.x][rival_ou.y - 1].sente == sente)) # uchifu true
+        fu_x = rival_ou.x
+        fu_y = rival_ou.y - 1
+      else
+        return false
+      end
+    end
+    
+    ## case: rival_ou is moving
+    escaped = false
+    rival_ou.movable_grids.each do |(cand_x, cand_y)|
+      tmp_board = Marshal.load(Marshal.dump(self))
+      s = tmp_board.move_to(rival_ou.x, rival_ou.y, cand_x, cand_y, "OU", ! sente)
+      raise "internal error" if (s != true)
+      if (! tmp_board.checkmated?(! sente)) # good move
+        return false
+      end
+    end
+
+    ## case: rival is capturing fu
+    x = 1
+    while (x <= 9)
+      y = 1
+      while (y <= 9)
+        if (@array[x][y] &&
+            (@array[x][y].sente != sente) &&
+            @array[x][y].movable_grids.include?([fu_x, fu_y])) # capturable
+          if (@array[x][y].promoted)
+            name = @array[x][y].promoted_name
+          else
+            name = @array[x][y].name
+          end
+          tmp_board = Marshal.load(Marshal.dump(self))
+          s = tmp_board.move_to(x, y, fu_x, fu_y, name, ! sente)
+          raise "internal error" if (s != true)
+          if (! tmp_board.checkmated?(! sente)) # good move
+            return false
+          end
+        end
+        y = y + 1
+      end
+      x = x + 1
+    end
+    return true
+  end
+
+  def oute_sennichite?(sente)
+    if (checkmated?(! sente))
+      str = to_s
+      if (sente)
+        if (@sente_history[str] && (@sente_history[str] >= 3)) # already 3 times
+          return true
+        end
+      else
+        if (@gote_history[str] && (@gote_history[str] >= 3)) # already 3 times
+          return true
+        end
+      end
+    end
+    return false
+  end
+
+  def sennichite?(sente)
+    str = to_s
+    if (@history[str] && (@history[str] >= 3)) # already 3 times
+      return true
+    end
+    return false
+  end
+
+  def good_kachi?(sente)
+    if (checkmated?(sente))
+      puts "'NG: Checkmating." if $DEBUG
+      return false 
+    end
+    
+    ou = look_for_ou(sente)
+    if (sente && (ou.y >= 4))
+      puts "'NG: Black's OU does not enter yet." if $DEBUG
+      return false     
+    end  
+    if (! sente && (ou.y <= 6))
+      puts "'NG: White's OU does not enter yet." if $DEBUG
+      return false 
+    end
+      
+    number = 0
+    point = 0
+
+    if (sente)
+      hands = @sente_hands
+      r = [1, 2, 3]
+    else
+      hands = @gote_hands
+      r = [7, 8, 9]
+    end
+    r.each do |y|
+      x = 1
+      while (x <= 9)
+        if (@array[x][y] &&
+            (@array[x][y].sente == sente) &&
+            (@array[x][y].point > 0))
+          point = point + @array[x][y].point
+          number = number + 1
+        end
+        x = x + 1
+      end
+    end
+    hands.each do |piece|
+      point = point + piece.point
+    end
+
+    if (number < 10)
+      puts "'NG: Piece#[%d] is too small." % [number] if $DEBUG
+      return false     
+    end  
+    if (sente)
+      if (point < 28)
+        puts "'NG: Black's point#[%d] is too small." % [point] if $DEBUG
+        return false 
+      end  
+    else
+      if (point < 27)
+        puts "'NG: White's point#[%d] is too small." % [point] if $DEBUG
+        return false 
+      end
+    end
 
-    login(str)
+    puts "'Good: Piece#[%d], Point[%d]." % [number, point] if $DEBUG
+    return true
   end
 
-  attr_accessor :name, :password, :socket, :status
-  attr_accessor :protocol, :eol, :game, :mytime, :watchdog_thread, :game_name, :sente
+  def handle_one_move(str, sente=nil)
+    if (str =~ /^([\+\-])(\d)(\d)(\d)(\d)([A-Z]{2})/)
+      sg = $1
+      x0 = $2.to_i
+      y0 = $3.to_i
+      x1 = $4.to_i
+      y1 = $5.to_i
+      name = $6
+    elsif (str =~ /^%KACHI/)
+      raise ArgumentError, "sente is null", caller if sente == nil
+      if (good_kachi?(sente))
+        return :kachi_win
+      else
+        return :kachi_lose
+      end
+    elsif (str =~ /^%TORYO/)
+      return :toryo
+    else
+      return :illegal
+    end
+    
+    if (((x0 == 0) || (y0 == 0)) && # source is not from hand
+        ((x0 != 0) || (y0 != 0)))
+      return :illegal
+    elsif ((x1 == 0) || (y1 == 0)) # destination is out of board
+      return :illegal
+    end
+    
+    if (sg == "+")
+      sente = true
+      hands = @sente_hands
+    else
+      sente = false
+      hands = @gote_hands
+    end
+    
+    ## source check
+    if ((x0 == 0) && (y0 == 0))
+      return :illegal if (! have_piece?(hands, name))
+    elsif (! @array[x0][y0])
+      return :illegal           # no piece
+    elsif (@array[x0][y0].sente != sente)
+      return :illegal           # this is not mine
+    elsif (@array[x0][y0].name != name)
+      return :illegal if (@array[x0][y0].promoted_name != name) # can't promote
+    end
 
-  def finish
-    log_message(sprintf("user %s finish", @name))    
-    Thread::kill(@watchdog_thread) if @watchdog_thread
-    @socket.close if (! @socket.closed?)
-  end
+    ## destination check
+    if (@array[x1][y1] &&
+        (@array[x1][y1].sente == sente)) # can't capture mine
+      return :illegal
+    elsif ((x0 == 0) && (y0 == 0) && @array[x1][y1])
+      return :illegal           # can't put on existing piece
+    end
 
-  def watchdog(time)
-    while true
-      begin
-        Ping.pingecho(@socket.addr[3])
-      rescue
+    tmp_board = Marshal.load(Marshal.dump(self))
+    return :illegal if (tmp_board.move_to(x0, y0, x1, y1, name, sente) == :illegal)
+    return :oute_kaihimore if (tmp_board.checkmated?(sente))
+    return :oute_sennichite if tmp_board.oute_sennichite?(sente)
+    return :sennichite if tmp_board.sennichite?(sente)
+
+    if ((x0 == 0) && (y0 == 0) && (name == "FU") && tmp_board.uchifuzume?(sente))
+      return :uchifuzume
+    end
+
+    move_to(x0, y0, x1, y1, name, sente)
+    str = to_s
+
+    if (checkmated?(! sente))
+      if (sente)
+        @sente_history[str] = (@sente_history[str] || 0) + 1
+      else
+        @gote_history[str] = (@gote_history[str] || 0) + 1
+      end
+    else
+      if (sente)
+        @sente_history.clear
+      else
+        @gote_history.clear
       end
-      sleep(time)
     end
+    @history[str] = (@history[str] || 0) + 1
+    return :normal
   end
 
   def to_s
-    if ((status == "game_waiting") ||
-        (status == "agree_waiting") ||
-        (status == "game"))
-      if (@sente)
-        return sprintf("%s %s %s +", @name, @status, @game_name)
-      elsif (@sente == false)
-        return sprintf("%s %s %s -", @name, @status, @game_name)
-      elsif (@sente == nil)
-        return sprintf("%s %s %s +-", @name, @status, @game_name)
+    a = Array::new
+    y = 1
+    while (y <= 9)
+      a.push(sprintf("P%d", y))
+      x = 9
+      while (x >= 1)
+        piece = @array[x][y]
+        if (piece)
+          s = piece.to_s
+        else
+          s = " * "
+        end
+        a.push(s)
+        x = x - 1
       end
-    else
-      return sprintf("%s %s", @name, @status)
+      a.push(sprintf("\n"))
+      y = y + 1
+    end
+    if (! sente_hands.empty?)
+      a.push("P+")
+      sente_hands.each do |p|
+        a.push("00" + p.name)
+      end
+      a.push("\n")
+    end
+    if (! gote_hands.empty?)
+      a.push("P-")
+      gote_hands.each do |p|
+        a.push("00" + p.name)
+      end
+      a.push("\n")
     end
+    a.push("+\n")
+    return a.join
   end
+end
 
-  def write_help
-    @socket.write_safe('##[HELP] available commands "%%WHO", "%%CHAT str", "%%GAME game_name +", "%%GAME game_name -"')
+class GameResult
+  attr_reader :players, :black, :white
+
+  def initialize(p1, p2)
+    @players = []
+    @players << p1
+    @players << p2
+    if p1.sente && !p2.sente
+      @black, @white = p1, p2
+    elsif !p1.sente && p2.sente
+      @black, @white = p2, p1
+    else
+      raise "Never reached!"
+    end
   end
+end
 
-  def write_safe(str)
-    @socket.write_safe(str.gsub(/[\r\n]+/, @eol))
-  end
+class GameResultWin < GameResult
+  attr_reader :winner, :loser
 
-  def login(str)
-    str =~ /([\r\n]*)$/
-    @eol = $1
-    str.chomp!
-    (login, @name, @password, ext) = str.split
-    if (ext)
-      @protocol = "x1"
-    else
-      @protocol = "CSA"
-    end
-    @watchdog_thread = Thread::start do
-      watchdog(Watchdog_Time)
-    end
+  def initialize(winner, loser)
+    super
+    @winner, @loser = winner, loser
   end
-    
-  def run
-    if (@protocol != "CSA")
-      log_message(sprintf("user %s run in %s mode", @name, @protocol))
-      write_safe(sprintf("##[LOGIN] +OK %s\n", @protocol))
-    else
-      log_message(sprintf("user %s run in CSA mode", @name))
-      csa_1st_str = "%%GAME default +-"
-    end
 
-    
-    while (csa_1st_str || (str = @socket.gets_safe))
-      begin
-        $mutex.lock
-        if (csa_1st_str)
-          str = csa_1st_str
-          csa_1st_str = nil
-        end
-        str.chomp!
-        case str
-        when /^[\+\-%][^%]/
-          if (@status == "game")
-            s = @game.handle_one_move(str, self)
-            return if (s && @protocol == "CSA")
-          else
-            next
-          end
-        when /^AGREE/
-          if (@status == "agree_waiting")
-            @status = "start_waiting"
-            if ((@game.sente.status == "start_waiting") &&
-                (@game.gote.status == "start_waiting"))
-              @game.start
-              @game.sente.status = "game"
-              @game.gote.status = "game"
-            end
-          else
-            write_safe("## you are in %s status. AGREE is valid in agree_waiting status\n", @status)
-            next
-          end
-        when /^%%HELP/
-          write_help
-        when /^%%GAME\s+(\S+)\s+([\+\-]+)/
-          if ((@status == "connected") || (@status == "game_waiting"))
-            @status = "game_waiting"
-          else
-            write_safe("## you are in %s status. GAME is valid in connected or game_waiting status\n", @status)
-            next
-          end
-          @status = "game_waiting"
-          @game_name = $1
-          sente_str = $2
-          if (sente_str == "+")
-            @sente = true
-            rival_sente = false
-          elsif (sente_str == "-")
-            @sente = false
-            rival_sente = true
-          else
-            @sente = nil
-            rival_sente = nil
-          end
-          rival = LEAGUE.get_player("game_waiting", @game_name, rival_sente, self)
-          rival = LEAGUE.get_player("game_waiting", @game_name, nil, self) if (! rival)
-          if (rival)
-            if (@sente == nil)
-              if (rand(2) == 0)
-                @sente = true
-                rival_sente = false
-              else
-                @sente = false
-                rival_sente = true
-              end
-            elsif (rival_sente == nil)
-              if (@sente)
-                rival_sente = false
-              else
-                rival_sente = true
-              end
-            end
-            rival.sente = rival_sente
-            LEAGUE.new_game(@game_name, self, rival)
-            self.status = "agree_waiting"
-            rival.status = "agree_waiting"
-          end
-        when /^%%CHAT\s+(\S+)/
-          message = $1
-          LEAGUE.hash.each do |name, player|
-            if (player.protocol != "CSA")
-              s = player.write_safe(sprintf("##[CHAT][%s] %s\n", @name, message)) 
-              player.status = "zombie" if (! s)
-            end
-          end
-        when /^%%WHO/
-          buf = Array::new
-          LEAGUE.hash.each do |name, player|
-            buf.push(sprintf("##[WHO] %s\n", player.to_s))
-          end
-          buf.push("##[WHO] +OK\n")
-          write_safe(buf.join)
-        when /^%%LOGOUT/
-          finish
-          return
-        else
-          write_safe(sprintf("## unknown command %s\n", str))
-        end
-      ensure
-        $mutex.unlock
-      end
-    end                         # enf of while
+  def to_s
+    black_name = @black.id || @black.name
+    white_name = @white.id || @white.name
+    "%s:%s" % [black_name, white_name]
   end
 end
 
-class Board
+class GameResultDraw < GameResult
+
 end
 
 class Game
+  @@mutex = Mutex.new
+  @@time  = 0
+
   def initialize(game_name, player0, player1)
+    @monitors = Array::new
     @game_name = game_name
+    if (@game_name =~ /-(\d+)-(\d+)$/)
+      @total_time = $1.to_i
+      @byoyomi = $2.to_i
+    end
+
     if (player0.sente)
       @sente = player0
       @gote = player1
@@ -311,83 +1454,339 @@ class Game
 
     @sente.game = self
     @gote.game = self
+
+    @last_move = ""
+    @current_turn = 0
+
     @sente.status = "agree_waiting"
     @gote.status = "agree_waiting"
-    @id = sprintf("%s-%s-%s-%s", @game_name, @sente.name, @gote.name, Time::new.strftime("%Y%m%d%H%M%S"))
-    log_message(sprintf("game created %s %s %s", game_name, sente.name, gote.name))
-
+    
+    @id = sprintf("%s+%s+%s+%s+%s", 
+                  LEAGUE.event, @game_name, @sente.name, @gote.name, issue_current_time)
     @logfile = @id + ".csa"
+
+    LEAGUE.games[@id] = self
+
+    log_message(sprintf("game created %s", @id))
+
     @board = Board::new
+    @board.initial
     @start_time = nil
     @fh = nil
+    @result = nil
 
     propose
   end
-  attr_accessor :game_name, :sente, :gote, :id, :board, :current_player, :next_player, :fh
+  attr_accessor :game_name, :total_time, :byoyomi, :sente, :gote, :id, :board, :current_player, :next_player, :fh, :monitors
+  attr_accessor :last_move, :current_turn
+  attr_reader   :result
+
+  def rated?
+    @sente.rated? && @gote.rated?
+  end
+
+  def monitoron(monitor)
+    @monitors.delete(monitor)
+    @monitors.push(monitor)
+  end
+
+  def monitoroff(monitor)
+    @monitors.delete(monitor)
+  end
+
+  def reject(rejector)
+    @sente.write_safe(sprintf("REJECT:%s by %s\n", @id, rejector))
+    @gote.write_safe(sprintf("REJECT:%s by %s\n", @id, rejector))
+    finish
+  end
+
+  def kill(killer)
+    if ((@sente.status == "agree_waiting") || (@sente.status == "start_waiting"))
+      reject(killer.name)
+    elsif (@current_player == killer)
+      abnormal_lose()
+      finish
+    end
+  end
 
   def finish
-    log_message(sprintf("game finished %s %s %s", game_name, sente.name, gote.name))
+    log_message(sprintf("game finished %s", @id))
     @fh.printf("'$END_TIME:%s\n", Time::new.strftime("%Y/%m/%d %H:%M:%S"))    
     @fh.close
+
+    @sente.game = nil
+    @gote.game = nil
     @sente.status = "connected"
     @gote.status = "connected"
-    if (@current_player.protocol == "CSA")
+
+    if (@current_player.protocol == LoginCSA::PROTOCOL)
       @current_player.finish
     end
+    if (@next_player.protocol == LoginCSA::PROTOCOL)
+      @next_player.finish
+    end
+    @monitors = Array::new
+    @sente = nil
+    @gote = nil
+    @current_player = nil
+    @next_player = nil
+    LEAGUE.games.delete(@id)
   end
 
   def handle_one_move(str, player)
-    finish_flag = false
+    finish_flag = true
     if (@current_player == player)
       @end_time = Time::new
-      t = @end_time - @start_time
+      t = (@end_time - @start_time).floor
       t = Least_Time_Per_Move if (t < Least_Time_Per_Move)
-      @sente.write_safe(sprintf("%s,T%d\n", str, t))
-      @gote.write_safe(sprintf("%s,T%d\n", str, t))
-      @fh.printf("%s\nT%d\n", str, t)
-      @current_player.mytime = @current_player.mytime - t
-      if (@current_player.mytime < 0)
-        timeout_end()
-        finish_flag = true
-      elsif (str =~ /%KACHI/)
-        kachi_end()
-        finish_flag = true
-      elsif (str =~ /%TORYO/)
-        toryo_end
-        finish_flag = true
+      
+      move_status = nil
+      if ((@current_player.mytime - t <= -@byoyomi) && ((@total_time > 0) || (@byoyomi > 0)))
+        status = :timeout
+      elsif (str == :timeout)
+        return false            # time isn't expired. players aren't swapped. continue game
+      else
+        @current_player.mytime = @current_player.mytime - t
+        if (@current_player.mytime < 0)
+          @current_player.mytime = 0
+        end
+
+#        begin
+          move_status = @board.handle_one_move(str, @sente == @current_player)
+#        rescue
+#          log_error("handle_one_move raise exception for #{str}")
+#          move_status = :illegal
+#        end
+
+        if ((move_status == :illegal) || (move_status == :uchifuzme) || (move_status == :oute_kaihimore))
+          @fh.printf("'ILLEGAL_MOVE(%s)\n", str)
+        else
+          if ((move_status == :normal) || (move_status == :outori) || (move_status == :sennichite) || (move_status == :oute_sennichite))
+            @sente.write_safe(sprintf("%s,T%d\n", str, t))
+            @gote.write_safe(sprintf("%s,T%d\n", str, t))
+            @fh.printf("%s\nT%d\n", str, t)
+            @last_move = sprintf("%s,T%d", str, t)
+            @current_turn = @current_turn + 1
+          end
+
+          @monitors.each do |monitor|
+            monitor.write_safe(show.gsub(/^/, "##[MONITOR][#{@id}] "))
+            monitor.write_safe(sprintf("##[MONITOR][%s] +OK\n", @id))
+          end
+        end
+      end
+
+      if (@next_player.status != "game") # rival is logout or disconnected
+        abnormal_win()
+      elsif (status == :timeout)
+        timeout_lose()
+      elsif (move_status == :illegal)
+        illegal_lose()
+      elsif (move_status == :kachi_win)
+        kachi_win()
+      elsif (move_status == :kachi_lose)
+        kachi_lose()
+      elsif (move_status == :toryo)
+        toryo_lose()
+      elsif (move_status == :outori)
+        outori_win()
+      elsif (move_status == :sennichite)
+        sennichite_draw()
+      elsif (move_status == :oute_sennichite)
+        oute_sennichite_lose()
+      elsif (move_status == :uchifuzume)
+        uchifuzume_lose()
+      elsif (move_status == :oute_kaihimore)
+        oute_kaihimore_lose()
+      else
+        finish_flag = false
       end
+      finish() if finish_flag
       (@current_player, @next_player) = [@next_player, @current_player]
       @start_time = Time::new
-      finish if (finish_flag)
       return finish_flag
     end
   end
 
-  def timeout_end
+  def abnormal_win
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("%TORYO\n#RESIGN\n#WIN\n")
+    @next_player.write_safe("%TORYO\n#RESIGN\n#LOSE\n")
+    @fh.printf("%%TORYO\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:abnormal:%s win:%s lose\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@current_player, @next_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] %%TORYO\n", @id))
+    end
+  end
+
+  def abnormal_lose
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("%TORYO\n#RESIGN\n#LOSE\n")
+    @next_player.write_safe("%TORYO\n#RESIGN\n#WIN\n")
+    @fh.printf("%%TORYO\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:abnormal:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] %%TORYO\n", @id))
+    end
+  end
+
+  def sennichite_draw
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("#SENNICHITE\n#DRAW\n")
+    @next_player.write_safe("#SENNICHITE\n#DRAW\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:sennichite:%s draw:%s draw\n", @current_player.name, @next_player.name)
+    @result = GameResultDraw.new(@current_player, @next_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] #SENNICHITE\n", @id))
+    end
+  end
+
+  def oute_sennichite_lose
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("#OUTE_SENNICHITE\n#LOSE\n")
+    @next_player.write_safe("#OUTE_SENNICHITE\n#WIN\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:oute_sennichite:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] #OUTE_SENNICHITE\n", @id))
+    end
+  end
+
+  def illegal_lose
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("#ILLEGAL_MOVE\n#LOSE\n")
+    @next_player.write_safe("#ILLEGAL_MOVE\n#WIN\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:illegal move:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] #ILLEGAL_MOVE\n", @id))
+    end
+  end
+
+  def uchifuzume_lose
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("#ILLEGAL_MOVE\n#LOSE\n")
+    @next_player.write_safe("#ILLEGAL_MOVE\n#WIN\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:uchifuzume:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] #ILLEGAL_MOVE\n", @id))
+    end
+  end
+
+  def oute_kaihimore_lose
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("#ILLEGAL_MOVE\n#LOSE\n")
+    @next_player.write_safe("#ILLEGAL_MOVE\n#WIN\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:oute_kaihimore:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] #ILLEGAL_MOVE\n", @id))
+    end
+  end
+
+  def timeout_lose
     @current_player.status = "connected"
     @next_player.status = "connected"
     @current_player.write_safe("#TIME_UP\n#LOSE\n")
     @next_player.write_safe("#TIME_UP\n#WIN\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:time up:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] #TIME_UP\n", @id))
+    end
+  end
+
+  def kachi_win
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("%KACHI\n#JISHOGI\n#WIN\n")
+    @next_player.write_safe("%KACHI\n#JISHOGI\n#LOSE\n")
+    @fh.printf("%%KACHI\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:kachi:%s win:%s lose\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@current_player, @next_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] %%KACHI\n", @id))
+    end
   end
 
-  def kachi_end
+  def kachi_lose
     @current_player.status = "connected"
     @next_player.status = "connected"
-    @current_player.write_safe("#JISHOGI\n#WIN\n")
-    @next_player.write_safe("#JISHOGI\n#LOSE\n")
+    @current_player.write_safe("%KACHI\n#ILLEGAL_MOVE\n#LOSE\n")
+    @next_player.write_safe("%KACHI\n#ILLEGAL_MOVE\n#WIN\n")
+    @fh.printf("%%KACHI\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:illegal kachi:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] %%KACHI\n", @id))
+    end
+  end
+
+  def toryo_lose
+    @current_player.status = "connected"
+    @next_player.status = "connected"
+    @current_player.write_safe("%TORYO\n#RESIGN\n#LOSE\n")
+    @next_player.write_safe("%TORYO\n#RESIGN\n#WIN\n")
+    @fh.printf("%%TORYO\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:toryo:%s lose:%s win\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@next_player, @current_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] %%TORYO\n", @id))
+    end
   end
 
-  def toryo_end
+  def outori_win
     @current_player.status = "connected"
     @next_player.status = "connected"
-    @current_player.write_safe("#RESIGN\n#LOSE\n")
-    @next_player.write_safe("#RESIGN\n#WIN\n")
+    @current_player.write_safe("#ILLEGAL_MOVE\n#WIN\n")
+    @next_player.write_safe("#ILLEGAL_MOVE\n#LOSE\n")
+    @fh.print(@board.to_s.gsub(/^/, "\'"))
+    @fh.printf("'summary:outori:%s win:%s lose\n", @current_player.name, @next_player.name)
+    @result = GameResultWin.new(@current_player, @next_player)
+    @fh.printf("'rating:#{@result.to_s}\n") if rated?
+    @monitors.each do |monitor|
+      monitor.write_safe(sprintf("##[MONITOR][%s] #ILLEGAL_MOVE\n", @id))
+    end
   end
 
   def start
-    log_message(sprintf("game started %s %s %s", game_name, sente.name, gote.name))
+    log_message(sprintf("game started %s", @id))
     @sente.write_safe(sprintf("START:%s\n", @id))
     @gote.write_safe(sprintf("START:%s\n", @id))
+    @sente.mytime = @total_time
+    @gote.mytime = @total_time
     @start_time = Time::new
   end
 
@@ -407,23 +1806,59 @@ class Game
       @fh.printf("$START_TIME:%s\n", Time::new.strftime("%Y/%m/%d %H:%M:%S"))
       @fh.print <<EOM
 P1-KY-KE-GI-KI-OU-KI-GI-KE-KY
-P2 * -HI *  *  *  *  * -KA *
+P2 * -HI *  *  *  *  * -KA * 
 P3-FU-FU-FU-FU-FU-FU-FU-FU-FU
-P4 *  *  *  *  *  *  *  *  *
-P5 *  *  *  *  *  *  *  *  *
-P6 *  *  *  *  *  *  *  *  *
+P4 *  *  *  *  *  *  *  *  * 
+P5 *  *  *  *  *  *  *  *  * 
+P6 *  *  *  *  *  *  *  *  * 
 P7+FU+FU+FU+FU+FU+FU+FU+FU+FU
-P8 * +KA *  *  *  *  * +HI *
+P8 * +KA *  *  *  *  * +HI * 
 P9+KY+KE+GI+KI+OU+KI+GI+KE+KY
 +
 EOM
     end
   end
 
+  def show()
+    str0 = <<EOM
+BEGIN Game_Summary
+Protocol_Version:1.1
+Protocol_Mode:Server
+Format:Shogi 1.0
+Declaration:Jishogi 1.1
+Game_ID:#{@id}
+Name+:#{@sente.name}
+Name-:#{@gote.name}
+Rematch_On_Draw:NO
+To_Move:+
+BEGIN Time
+Time_Unit:1sec
+Total_Time:#{@total_time}
+Byoyomi:#{@byoyomi}
+Least_Time_Per_Move:#{Least_Time_Per_Move}
+Remaining_Time+:#{@sente.mytime}
+Remaining_Time-:#{@gote.mytime}
+Last_Move:#{@last_move}
+Current_Turn:#{@current_turn}
+END Time
+BEGIN Position
+EOM
+
+    str1 = <<EOM
+END Position
+END Game_Summary
+EOM
+
+    return str0 + @board.to_s + str1
+  end
+
   def propose_message(sg_flag)
     str = <<EOM
+BEGIN Game_Summary
+Protocol_Version:1.1
 Protocol_Mode:Server
 Format:Shogi 1.0
+Declaration:Jishogi 1.1
 Game_ID:#{@id}
 Name+:#{@sente.name}
 Name-:#{@gote.name}
@@ -432,19 +1867,19 @@ Rematch_On_Draw:NO
 To_Move:+
 BEGIN Time
 Time_Unit:1sec
-Total_Time:#{Total_Time}
+Total_Time:#{@total_time}
+Byoyomi:#{@byoyomi}
 Least_Time_Per_Move:#{Least_Time_Per_Move}
 END Time
 BEGIN Position
-Jishogi_Declaration:1.1
 P1-KY-KE-GI-KI-OU-KI-GI-KE-KY
-P2 * -HI *  *  *  *  * -KA *
+P2 * -HI *  *  *  *  * -KA * 
 P3-FU-FU-FU-FU-FU-FU-FU-FU-FU
-P4 *  *  *  *  *  *  *  *  *
-P5 *  *  *  *  *  *  *  *  *
-P6 *  *  *  *  *  *  *  *  *
+P4 *  *  *  *  *  *  *  *  * 
+P5 *  *  *  *  *  *  *  *  * 
+P6 *  *  *  *  *  *  *  *  * 
 P7+FU+FU+FU+FU+FU+FU+FU+FU+FU
-P8 * +KA *  *  *  *  * +HI *
+P8 * +KA *  *  *  *  * +HI * 
 P9+KY+KE+GI+KI+OU+KI+GI+KE+KY
 P+
 P-
@@ -454,8 +1889,24 @@ END Game_Summary
 EOM
     return str
   end
+  
+  private
+  
+  def issue_current_time
+    time = Time::new.strftime("%Y%m%d%H%M%S").to_i
+    @@mutex.synchronize do
+      while time <= @@time do
+        time += 1
+      end
+      @@time = time
+    end
+  end
 end
 
+#################################################
+# MAIN
+#
+
 def usage
     print <<EOM
 NAME
@@ -489,7 +1940,7 @@ def log_message(str)
 end
 
 def log_warning(str)
-  printf("%s message: %s\n", Time::new.to_s, str)
+  printf("%s warning: %s\n", Time::new.to_s, str)
 end
 
 def log_error(str)
@@ -517,80 +1968,120 @@ def parse_command_line
   return options
 end
 
-LEAGUE = League::new
-
-def good_login?(str)
-  return false if (str !~ /^LOGIN /)
-  tokens = str.split
-  if ((tokens.length == 3) || 
-      ((tokens.length == 4) && tokens[3] == "x1"))
-    ## ok
-  else
-    return false
+def write_pid_file(file)
+  open(file, "w") do |fh|
+    fh.print Process::pid, "\n"
   end
-  return true
 end
 
-def  write_pid_file(file)
-  open(file, "w") do |fh|
-    fh.print Process::pid, "\n"
+def mutex_watchdog(mutex, sec)
+  while true
+    begin
+      timeout(sec) do
+        begin
+          mutex.lock
+        ensure
+          mutex.unlock
+        end
+      end
+      sleep(sec)
+    rescue TimeoutError
+      log_error("mutex watchdog timeout")
+      exit(1)
+    end
   end
 end
 
 def main
+
   $mutex = Mutex::new
+  Thread::start do
+    Thread.pass
+    mutex_watchdog($mutex, 10)
+  end
+
   $options = parse_command_line
   if (ARGV.length != 2)
     usage
     exit 2
   end
-  event = ARGV.shift
+
+  LEAGUE.event = ARGV.shift
   port = ARGV.shift
 
   write_pid_file($options["pid-file"]) if ($options["pid-file"])
 
-
-  Thread.abort_on_exception = true
-
   server = TCPserver.open(port)
   log_message("server started")
 
   while true
     Thread::start(server.accept) do |client|
+      Thread.pass
       client.sync = true
       player = nil
+      login  = nil
       while (str = client.gets_timeout(Login_Time))
         begin
           $mutex.lock
-          Thread::kill(Thread::current) if (! str) # disconnected
           str =~ /([\r\n]*)$/
           eol = $1
-          if (good_login?(str))
+          if (Login::good_login?(str))
             player = Player::new(str, client)
-            if (LEAGUE.duplicated?(player))
-              client.write_safe(sprintf("username %s is already connected%s", player.name, eol))
-              client.close
-              Thread::kill(Thread::current)
+            player.eol = eol
+            login  = Login::factory(str, player)
+            if (LEAGUE.players[player.name])
+              if ((LEAGUE.players[player.name].password == player.password) &&
+                  (LEAGUE.players[player.name].status != "game"))
+                log_message(sprintf("user %s login forcely", player.name))
+                LEAGUE.players[player.name].kill
+              else
+                login.incorrect_duplicated_player(str)
+                Thread::exit
+                return
+              end
             end
             LEAGUE.add(player)
             break
           else
-            client.write_safe("type 'LOGIN name password' or 'LOGIN name password x1'" + eol)
-            client.close
-            Thread::kill(Thread::current)
+            client.write_safe("LOGIN:incorrect" + eol)
+            client.write_safe("type 'LOGIN name password' or 'LOGIN name password x1'" + eol) if (str.split.length >= 4)
           end
         ensure
           $mutex.unlock
         end
       end                       # login loop
+      if (! player)
+        client.close
+        Thread::exit
+        return
+      end
       log_message(sprintf("user %s login", player.name))
-      player.run
-      LEAGUE.delete(player)
-      log_message(sprintf("user %s logout", player.name))
+      login.process
+      player.run(login.csa_1st_str)
+      begin
+        $mutex.lock
+        if (player.game)
+          player.game.kill(player)
+        end
+        player.finish # socket has been closed
+        LEAGUE.delete(player)
+        log_message(sprintf("user %s logout", player.name))
+      ensure
+        $mutex.unlock
+      end
     end
   end
 end
+module_function :main
+
+end # module ShogiServer
 
 if ($0 == __FILE__)
-  main
+  STDOUT.sync = true
+  STDERR.sync = true
+  TCPSocket.do_not_reverse_lookup = true
+  Thread.abort_on_exception = true
+  
+  LEAGUE = ShogiServer::League::new
+  ShogiServer::main
 end