shogi_server/game.rb

   1 ## $Id$
   2
   3 ## Copyright (C) 2004 NABEYA Kenichi (aka nanami@2ch)
   4 ## Copyright (C) 2007-2008 Daigo Moriwaki (daigo at debian dot org)
   5 ##
   6 ## This program is free software; you can redistribute it and/or modify
   7 ## it under the terms of the GNU General Public License as published by
   8 ## the Free Software Foundation; either version 2 of the License, or
   9 ## (at your option) any later version.
  10 ##
  11 ## This program is distributed in the hope that it will be useful,
  12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ## GNU General Public License for more details.
  15 ##
  16 ## You should have received a copy of the GNU General Public License
  17 ## along with this program; if not, write to the Free Software
  18 ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20 require 'shogi_server/league/floodgate'
  21 require 'observer'
  22
  23 module ShogiServer # for a namespace
  24
  25 # MonitorObserver obserers GameResult to send messages to the monotors
  26 # watching the game
  27 #
  28 class MonitorObserver
  29   def update(game_result)
  30     game_result.game.each_monitor do |monitor|
  31       monitor.write_safe("##[MONITOR][%s] %s\n" % [game_result.game.game_id, game_result.result_type])
  32     end
  33   end
  34 end
  35
  36 # Base class for a game result
  37 #
  38 class GameResult
  39   include Observable
  40
  41   # Game object
  42   attr_reader :game
  43   # Array of players
  44   attr_reader :players
  45   # Black player object
  46   attr_reader :black
  47   # White plyer object
  48   attr_reader :white
  49   # Command to send monitors such as '%TORYO' etc...
  50   attr_reader :result_type
  51
  52   def initialize(game, p1, p2)
  53     @game = game
  54     @players = [p1, p2]
  55     if p1.sente && !p2.sente
  56       @black, @white = p1, p2
  57     elsif !p1.sente && p2.sente
  58       @black, @white = p2, p1
  59     else
  60       raise "Never reached!"
  61     end
  62     @players.each do |player|
  63       player.status = "connected"
  64     end
  65     @result_type = ""
  66
  67     regist_observers
  68   end
  69
  70   def regist_observers
  71     add_observer MonitorObserver.new
  72
  73     if League::Floodgate.game_name?(@game.game_name) &&
  74        @game.sente.player_id &&
  75        @game.gote.player_id &&
  76        $options["floodgate-history"]
  77       add_observer League::Floodgate::History.factory
  78     end
  79   end
  80
  81   def process
  82     raise "Implement me!"
  83   end
  84
  85   def notify
  86     changed
  87     notify_observers(self)
  88   end
  89
  90   def log(str)
  91     @game.log_game(str)
  92   end
  93
  94   def log_board
  95     log(@game.board.to_s.gsub(/^/, "\'").chomp)
  96   end
  97
  98 end
  99
 100 class GameResultWin < GameResult
 101   attr_reader :winner, :loser
 102
 103   def initialize(game, winner, loser)
 104     super
 105     @winner, @loser = winner, loser
 106     @winner.last_game_win = true
 107     @loser.last_game_win  = false
 108   end
 109
 110   def log_summary(type)
 111     log_board
 112
 113     black_result = white_result = ""
 114     if @black == @winner
 115       black_result = "win"
 116       white_result = "lose"
 117     else
 118       black_result = "lose"
 119       white_result = "win"
 120     end
 121     log("'summary:%s:%s %s:%s %s" % [type,
 122                                      @black.name, black_result,
 123                                      @white.name, white_result])
 124
 125   end
 126 end
 127
 128 class GameResultAbnormalWin < GameResultWin
 129   def process
 130     @winner.write_safe("%TORYO\n#RESIGN\n#WIN\n")
 131     @loser.write_safe( "%TORYO\n#RESIGN\n#LOSE\n")
 132     log("%TORYO")
 133     log_summary("abnormal")
 134     @result_type = "%TORYO"
 135     notify
 136   end
 137 end
 138
 139 class GameResultTimeoutWin < GameResultWin
 140   def process
 141     @winner.write_safe("#TIME_UP\n#WIN\n")
 142     @loser.write_safe( "#TIME_UP\n#LOSE\n")
 143     log_summary("time up")
 144     @result_type = "#TIME_UP"
 145     notify
 146   end
 147 end
 148
 149 # A player declares (successful) Kachi
 150 class GameResultKachiWin < GameResultWin
 151   def process
 152     @winner.write_safe("%KACHI\n#JISHOGI\n#WIN\n")
 153     @loser.write_safe( "%KACHI\n#JISHOGI\n#LOSE\n")
 154     log("%KACHI")
 155     log_summary("kachi")
 156     @result_type = "%KACHI"
 157     notify
 158   end
 159 end
 160
 161 # A player declares wrong Kachi
 162 class GameResultIllegalKachiWin < GameResultWin
 163   def process
 164     @winner.write_safe("%KACHI\n#ILLEGAL_MOVE\n#WIN\n")
 165     @loser.write_safe( "%KACHI\n#ILLEGAL_MOVE\n#LOSE\n")
 166     log("%KACHI")
 167     log_summary("illegal kachi")
 168     @result_type = "%KACHI"
 169     notify
 170   end
 171 end
 172
 173 class GameResultIllegalWin < GameResultWin
 174   def initialize(game, winner, loser, cause)
 175     super(game, winner, loser)
 176     @cause = cause
 177   end
 178
 179   def process
 180     @winner.write_safe("#ILLEGAL_MOVE\n#WIN\n")
 181     @loser.write_safe( "#ILLEGAL_MOVE\n#LOSE\n")
 182     log_summary(@cause)
 183     @result_type = "#ILLEGAL_MOVE"
 184     notify
 185   end
 186 end
 187
 188 class GameResultIllegalMoveWin < GameResultIllegalWin
 189   def initialize(game, winner, loser)
 190     super(game, winner, loser, "illegal move")
 191   end
 192 end
 193
 194 class GameResultUchifuzumeWin < GameResultIllegalWin
 195   def initialize(game, winner, loser)
 196     super(game, winner, loser, "uchifuzume")
 197   end
 198 end
 199
 200 class GameResultOuteKaihiMoreWin < GameResultIllegalWin
 201   def initialize(game, winner, loser)
 202     super(game, winner, loser, "oute_kaihimore")
 203   end
 204 end
 205
 206 class GameResultOutoriWin < GameResultWin
 207   def initialize(game, winner, loser)
 208     super(game, winner, loser)
 209   end
 210 end
 211
 212 class GameResultToryoWin < GameResultWin
 213   def process
 214     @winner.write_safe("%TORYO\n#RESIGN\n#WIN\n")
 215     @loser.write_safe( "%TORYO\n#RESIGN\n#LOSE\n")
 216     log("%TORYO")
 217     log_summary("toryo")
 218     @result_type = "%TORYO"
 219     notify
 220   end
 221 end
 222
 223 class GameResultOuteSennichiteWin < GameResultWin
 224   def process
 225     @winner.write_safe("#OUTE_SENNICHITE\n#WIN\n")
 226     @loser.write_safe( "#OUTE_SENNICHITE\n#LOSE\n")
 227     log_summary("oute_sennichite")
 228     @result_type = "#OUTE_SENNICHITE"
 229     notify
 230   end
 231 end
 232
 233 class GameResultDraw < GameResult
 234   def initialize(game, p1, p2)
 235     super
 236     p1.last_game_win = false
 237     p2.last_game_win = false
 238   end
 239
 240   def log_summary(type)
 241     log_board
 242     log("'summary:%s:%s draw:%s draw" % [type, @black.name, @white.name])
 243   end
 244 end
 245
 246 class GameResultSennichiteDraw < GameResultDraw
 247   def process
 248     @players.each do |player|
 249       player.write_safe("#SENNICHITE\n#DRAW\n")
 250     end
 251     log_summary("sennichite")
 252     @result_type = "#SENNICHITE"
 253     notify
 254   end
 255 end
 256
 257 class Game
 258   @@mutex = Mutex.new
 259   @@time  = 0
 260
 261   def initialize(game_name, player0, player1)
 262     @monitors = Array::new
 263     @game_name = game_name
 264     if (@game_name =~ /-(\d+)-(\d+)$/)
 265       @total_time = $1.to_i
 266       @byoyomi = $2.to_i
 267     end
 268
 269     if (player0.sente)
 270       @sente, @gote = player0, player1
 271     else
 272       @sente, @gote = player1, player0
 273     end
 274     @sente.socket_buffer.clear
 275     @gote.socket_buffer.clear
 276     @current_player, @next_player = @sente, @gote
 277     @sente.game = self
 278     @gote.game  = self
 279
 280     @last_move = ""
 281     @current_turn = 0
 282
 283     @sente.status = "agree_waiting"
 284     @gote.status  = "agree_waiting"
 285
 286     @game_id = sprintf("%s+%s+%s+%s+%s",
 287                   $league.event, @game_name,
 288                   @sente.name, @gote.name, issue_current_time)
 289
 290     now = Time.now
 291     log_dir_name = File.join($league.dir,
 292                              now.strftime("%Y"),
 293                              now.strftime("%m"),
 294                              now.strftime("%d"))
 295     FileUtils.mkdir_p(log_dir_name) unless File.exist?(log_dir_name)
 296     @logfile = File.join(log_dir_name, @game_id + ".csa")
 297
 298     $league.games[@game_id] = self
 299
 300     log_message(sprintf("game created %s", @game_id))
 301
 302     @board = Board::new
 303     @board.initial
 304     @start_time = nil
 305     @fh = open(@logfile, "w")
 306     @fh.sync = true
 307     @result = nil
 308
 309     propose
 310   end
 311   attr_accessor :game_name, :total_time, :byoyomi, :sente, :gote, :game_id, :board, :current_player, :next_player, :fh, :monitors
 312   attr_accessor :last_move, :current_turn
 313   attr_reader   :result
 314
 315   def rated?
 316     @sente.rated? && @gote.rated?
 317   end
 318
 319   def turn?(player)
 320     return player.status == "game" && @current_player == player
 321   end
 322
 323   def monitoron(monitor)
 324     @monitors.delete(monitor)
 325     @monitors.push(monitor)
 326   end
 327
 328   def monitoroff(monitor)
 329     @monitors.delete(monitor)
 330   end
 331
 332   def each_monitor
 333     @monitors.each do |monitor|
 334       yield monitor
 335     end
 336   end
 337
 338   def log_game(str)
 339     if @fh.closed?
 340       log_error("Failed to write to Game[%s]'s log file: %s" %
 341                 [@game_id, str])
 342     end
 343     @fh.printf("%s\n", str)
 344   end
 345
 346   def reject(rejector)
 347     @sente.write_safe(sprintf("REJECT:%s by %s\n", @game_id, rejector))
 348     @gote.write_safe(sprintf("REJECT:%s by %s\n", @game_id, rejector))
 349     finish
 350   end
 351
 352   def kill(killer)
 353     [@sente, @gote].each do |player|
 354       if ["agree_waiting", "start_waiting"].include?(player.status)
 355         reject(killer.name)
 356         return # return from this method
 357       end
 358     end
 359
 360     if (@current_player == killer)
 361       result = GameResultAbnormalWin.new(self, @next_player, @current_player)
 362       result.process
 363       finish
 364     end
 365   end
 366
 367   def finish
 368     log_message(sprintf("game finished %s", @game_id))
 369     @fh.printf("'$END_TIME:%s\n", Time::new.strftime("%Y/%m/%d %H:%M:%S"))
 370     @fh.close
 371
 372     @sente.game = nil
 373     @gote.game = nil
 374     @sente.status = "connected"
 375     @gote.status = "connected"
 376
 377     if (@current_player.protocol == LoginCSA::PROTOCOL)
 378       @current_player.finish
 379     end
 380     if (@next_player.protocol == LoginCSA::PROTOCOL)
 381       @next_player.finish
 382     end
 383     @monitors = Array::new
 384     @sente = nil
 385     @gote = nil
 386     @current_player = nil
 387     @next_player = nil
 388     $league.games.delete(@game_id)
 389   end
 390
 391   # class Game
 392   def handle_one_move(str, player)
 393     unless turn?(player)
 394       return false if str == :timeout
 395
 396       @fh.puts("'Deferred %s" % [str])
 397       log_warning("Deferred a move [%s] scince it is not %s 's turn." %
 398                   [str, player.name])
 399       player.socket_buffer << str # always in the player's thread
 400       return nil
 401     end
 402
 403     finish_flag = true
 404     @end_time = Time::new
 405     t = [(@end_time - @start_time).floor, Least_Time_Per_Move].max
 406
 407     move_status = nil
 408     if ((@current_player.mytime - t <= -@byoyomi) &&
 409         ((@total_time > 0) || (@byoyomi > 0)))
 410       status = :timeout
 411     elsif (str == :timeout)
 412       return false            # time isn't expired. players aren't swapped. continue game
 413     else
 414       @current_player.mytime -= t
 415       if (@current_player.mytime < 0)
 416         @current_player.mytime = 0
 417       end
 418
 419       move_status = @board.handle_one_move(str, @sente == @current_player)
 420       # log_debug("move_status: %s for %s's %s" % [move_status, @sente == @current_player ? "BLACK" : "WHITE", str])
 421
 422       if [:illegal, :uchifuzume, :oute_kaihimore].include?(move_status)
 423         @fh.printf("'ILLEGAL_MOVE(%s)\n", str)
 424       else
 425         if [:normal, :outori, :sennichite, :oute_sennichite_sente_lose, :oute_sennichite_gote_lose].include?(move_status)
 426           # Thinking time includes network traffic
 427           @sente.write_safe(sprintf("%s,T%d\n", str, t))
 428           @gote.write_safe(sprintf("%s,T%d\n", str, t))
 429           @fh.printf("%s\nT%d\n", str, t)
 430           @last_move = sprintf("%s,T%d", str, t)
 431           @current_turn += 1
 432         end
 433
 434         @monitors.each do |monitor|
 435           monitor.write_safe(show.gsub(/^/, "##[MONITOR][#{@game_id}] "))
 436           monitor.write_safe(sprintf("##[MONITOR][%s] +OK\n", @game_id))
 437         end
 438       end
 439     end
 440
 441     result = nil
 442     if (@next_player.status != "game") # rival is logout or disconnected
 443       result = GameResultAbnormalWin.new(self, @current_player, @next_player)
 444     elsif (status == :timeout)
 445       # current_player losed
 446       result = GameResultTimeoutWin.new(self, @next_player, @current_player)
 447     elsif (move_status == :illegal)
 448       result = GameResultIllegalMoveWin.new(self, @next_player, @current_player)
 449     elsif (move_status == :kachi_win)
 450       result = GameResultKachiWin.new(self, @current_player, @next_player)
 451     elsif (move_status == :kachi_lose)
 452       result = GameResultIllegalKachiWin.new(self, @next_player, @current_player)
 453     elsif (move_status == :toryo)
 454       result = GameResultToryoWin.new(self, @next_player, @current_player)
 455     elsif (move_status == :outori)
 456       # The current player captures the next player's king
 457       result = GameResultOutoriWin.new(self, @current_player, @next_player)
 458     elsif (move_status == :oute_sennichite_sente_lose)
 459       result = GameResultOuteSennichiteWin.new(self, @gote, @sente) # Sente is checking
 460     elsif (move_status == :oute_sennichite_gote_lose)
 461       result = GameResultOuteSennichiteWin.new(self, @sente, @gote) # Gote is checking
 462     elsif (move_status == :sennichite)
 463       result = GameResultSennichiteDraw.new(self, @current_player, @next_player)
 464     elsif (move_status == :uchifuzume)
 465       # the current player losed
 466       result = GameResultUchifuzumeWin.new(self, @next_player, @current_player)
 467     elsif (move_status == :oute_kaihimore)
 468       # the current player losed
 469       result = GameResultOuteKaihiMoreWin.new(self, @next_player, @current_player)
 470     else
 471       finish_flag = false
 472     end
 473     result.process if result
 474     finish() if finish_flag
 475     @current_player, @next_player = @next_player, @current_player
 476     @start_time = Time::new
 477     return finish_flag
 478   end
 479
 480   def start
 481     log_message(sprintf("game started %s", @game_id))
 482     @sente.write_safe(sprintf("START:%s\n", @game_id))
 483     @gote.write_safe(sprintf("START:%s\n", @game_id))
 484     @sente.mytime = @total_time
 485     @gote.mytime = @total_time
 486     @start_time = Time::new
 487   end
 488
 489   def propose
 490     @fh.puts("V2")
 491     @fh.puts("N+#{@sente.name}")
 492     @fh.puts("N-#{@gote.name}")
 493     @fh.puts("$EVENT:#{@game_id}")
 494
 495     @sente.write_safe(propose_message("+"))
 496     @gote.write_safe(propose_message("-"))
 497
 498     now = Time::new.strftime("%Y/%m/%d %H:%M:%S")
 499     @fh.puts("$START_TIME:#{now}")
 500     @fh.print <<EOM
 501 P1-KY-KE-GI-KI-OU-KI-GI-KE-KY
 502 P2 * -HI *  *  *  *  * -KA *
 503 P3-FU-FU-FU-FU-FU-FU-FU-FU-FU
 504 P4 *  *  *  *  *  *  *  *  *
 505 P5 *  *  *  *  *  *  *  *  *
 506 P6 *  *  *  *  *  *  *  *  *
 507 P7+FU+FU+FU+FU+FU+FU+FU+FU+FU
 508 P8 * +KA *  *  *  *  * +HI *
 509 P9+KY+KE+GI+KI+OU+KI+GI+KE+KY
 510 +
 511 EOM
 512     if rated?
 513       black_name = @sente.rated? ? @sente.player_id : @sente.name
 514       white_name = @gote.rated?  ? @gote.player_id  : @gote.name
 515       @fh.puts("'rating:%s:%s" % [black_name, white_name])
 516     end
 517   end
 518
 519   def show()
 520     str0 = <<EOM
 521 BEGIN Game_Summary
 522 Protocol_Version:1.1
 523 Protocol_Mode:Server
 524 Format:Shogi 1.0
 525 Declaration:Jishogi 1.1
 526 Game_ID:#{@game_id}
 527 Name+:#{@sente.name}
 528 Name-:#{@gote.name}
 529 Rematch_On_Draw:NO
 530 To_Move:+
 531 BEGIN Time
 532 Time_Unit:1sec
 533 Total_Time:#{@total_time}
 534 Byoyomi:#{@byoyomi}
 535 Least_Time_Per_Move:#{Least_Time_Per_Move}
 536 Remaining_Time+:#{@sente.mytime}
 537 Remaining_Time-:#{@gote.mytime}
 538 Last_Move:#{@last_move}
 539 Current_Turn:#{@current_turn}
 540 END Time
 541 BEGIN Position
 542 EOM
 543
 544     str1 = <<EOM
 545 END Position
 546 END Game_Summary
 547 EOM
 548
 549     return str0 + @board.to_s + str1
 550   end
 551
 552   def propose_message(sg_flag)
 553     str = <<EOM
 554 BEGIN Game_Summary
 555 Protocol_Version:1.1
 556 Protocol_Mode:Server
 557 Format:Shogi 1.0
 558 Declaration:Jishogi 1.1
 559 Game_ID:#{@game_id}
 560 Name+:#{@sente.name}
 561 Name-:#{@gote.name}
 562 Your_Turn:#{sg_flag}
 563 Rematch_On_Draw:NO
 564 To_Move:+
 565 BEGIN Time
 566 Time_Unit:1sec
 567 Total_Time:#{@total_time}
 568 Byoyomi:#{@byoyomi}
 569 Least_Time_Per_Move:#{Least_Time_Per_Move}
 570 END Time
 571 BEGIN Position
 572 P1-KY-KE-GI-KI-OU-KI-GI-KE-KY
 573 P2 * -HI *  *  *  *  * -KA *
 574 P3-FU-FU-FU-FU-FU-FU-FU-FU-FU
 575 P4 *  *  *  *  *  *  *  *  *
 576 P5 *  *  *  *  *  *  *  *  *
 577 P6 *  *  *  *  *  *  *  *  *
 578 P7+FU+FU+FU+FU+FU+FU+FU+FU+FU
 579 P8 * +KA *  *  *  *  * +HI *
 580 P9+KY+KE+GI+KI+OU+KI+GI+KE+KY
 581 P+
 582 P-
 583 +
 584 END Position
 585 END Game_Summary
 586 EOM
 587     return str
 588   end
 589
 590   private
 591
 592   def issue_current_time
 593     time = Time::new.strftime("%Y%m%d%H%M%S").to_i
 594     @@mutex.synchronize do
 595       while time <= @@time do
 596         time += 1
 597       end
 598       @@time = time
 599     end
 600   end
 601 end
 602
 603 end # ShogiServer