#! /usr/bin/env ruby
-## $Id$
-
-## Copyright (C) 2004 NABEYA Kenichi (aka nanami@2ch)
-## Copyright (C) 2007-2008 Daigo Moriwaki (daigo at debian dot org)
-##
-## 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
-## the Free Software Foundation; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# $Id$
+#
+# Author:: NABEYA Kenichi, Daigo Moriwaki
+# Homepage:: http://sourceforge.jp/projects/shogi-server/
+#
+#--
+# Copyright (C) 2004 NABEYA Kenichi (aka nanami@2ch)
+# Copyright (C) 2007-2008 Daigo Moriwaki (daigo at debian dot org)
+#
+# 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#++
+#
+#
+$topdir = nil
+$league = nil
+$logger = nil
+$config = nil
$:.unshift File.dirname(__FILE__)
require 'shogi_server'
+require 'shogi_server/config'
+require 'tempfile'
#################################################
# MAIN
#
+ShogiServer.reload
+
def gets_safe(socket, timeout=nil)
if r = select([socket], nil, nil, timeout)
return r[0].first.gets
return :timeout
end
rescue Exception => ex
- log_error("#{ex.class}: #{ex.message}\n\t#{ex.backtrace[0]}")
+ log_error("gets_safe: #{ex.class}: #{ex.message}\n\t#{ex.backtrace[0]}")
return :exception
end
--player-log-dir dir
log network messages for each player. Log files
will be put in the dir.
+ --floodgate-history
+ file name to record Floodgate game history
+ default: './floodgate_history.yaml'
LICENSE
GPL versoin 2 or later
REVISION
#{ShogiServer::Revision}
+
EOM
end
def log_message(str)
$logger.info(str)
end
+def log_info(str)
+ log_message(str)
+end
def log_warning(str)
$logger.warn(str)
end
+# Parse command line options. Return a hash containing the option strings
+# where a key is the option name without the first two slashes. For example,
+# {"pid-file" => "foo.pid"}.
+#
def parse_command_line
options = Hash::new
parser = GetoptLong.new(
- ["--daemon", GetoptLong::REQUIRED_ARGUMENT],
- ["--pid-file", GetoptLong::REQUIRED_ARGUMENT],
- ["--player-log-dir", GetoptLong::REQUIRED_ARGUMENT])
+ ["--daemon", GetoptLong::REQUIRED_ARGUMENT],
+ ["--pid-file", GetoptLong::REQUIRED_ARGUMENT],
+ ["--player-log-dir", GetoptLong::REQUIRED_ARGUMENT],
+ ["--floodgate-history", GetoptLong::REQUIRED_ARGUMENT])
parser.quiet = true
begin
parser.each_option do |name, arg|
return options
end
+# Check command line options.
+# If any of them is invalid, exit the process.
+#
+def check_command_line
+ if (ARGV.length != 2)
+ usage
+ exit 2
+ end
+
+ if $options["daemon"]
+ $options["daemon"] = File.expand_path($options["daemon"], File.dirname(__FILE__))
+ unless is_writable_dir? $options["daemon"]
+ usage
+ $stderr.puts "Can not create a file in the daemon directory: %s" % [$options["daemon"]]
+ exit 5
+ end
+ end
+
+ $topdir = $options["daemon"] || File.expand_path(File.dirname(__FILE__))
+
+ if $options["player-log-dir"]
+ $options["player-log-dir"] = File.expand_path($options["player-log-dir"], $topdir)
+ unless is_writable_dir?($options["player-log-dir"])
+ usage
+ $stderr.puts "Can not write a file in the player log dir: %s" % [$options["player-log-dir"]]
+ exit 3
+ end
+ end
+
+ if $options["pid-file"]
+ $options["pid-file"] = File.expand_path($options["pid-file"], $topdir)
+ unless is_writable_file? $options["pid-file"]
+ usage
+ $stderr.puts "Can not create the pid file: %s" % [$options["pid-file"]]
+ exit 4
+ end
+ end
+
+ $options["floodgate-history"] ||= File.join($topdir, "floodgate_history.yaml")
+ $options["floodgate-history"] = File.expand_path($options["floodgate-history"], $topdir)
+ unless is_writable_file? $options["floodgate-history"]
+ usage
+ $stderr.puts "Can not create the floodgate history file: %s" % [$options["floodgate-history"]]
+ exit 6
+ end
+end
+
+# See if the file is writable. The file will be created if it does not exist
+# yet.
+# Return true if the file is writable, otherwise false.
+#
+def is_writable_file?(file)
+ if File.exist?(file)
+ if FileTest.file?(file)
+ return FileTest.writable_real?(file)
+ else
+ return false
+ end
+ end
+
+ begin
+ open(file, "w") {|fh| }
+ FileUtils.rm file
+ rescue
+ return false
+ end
+
+ return true
+end
+
+# See if a file can be created in the directory.
+# Return true if a file is writable in the directory, otherwise false.
+#
+def is_writable_dir?(dir)
+ unless File.directory? dir
+ return false
+ end
+
+ result = true
+
+ begin
+ temp_file = Tempfile.new("dummy-shogi-server", dir)
+ temp_file.close true
+ rescue
+ result = false
+ end
+
+ return result
+end
+
def write_pid_file(file)
open(file, "w") do |fh|
fh.puts "#{$$}"
end
def mutex_watchdog(mutex, sec)
+ sec = 1 if sec < 1
+ queue = []
while true
- begin
- timeout(sec) do
- begin
- mutex.lock
- ensure
- mutex.unlock
- end
+ if mutex.try_lock
+ queue.clear
+ mutex.unlock
+ else
+ queue.push(Object.new)
+ if queue.size > sec
+ # timeout
+ log_error("mutex watchdog timeout: %d sec" % [sec])
+ queue.clear
end
- sleep(sec)
- rescue TimeoutError
- log_error("mutex watchdog timeout")
- exit(1)
end
+ sleep(1)
end
end
player = login = nil
while r = select([client], nil, nil, ShogiServer::Login_Time) do
- break unless str = r[0].first.gets
- $mutex.lock # guards LEAGUE
+ str = nil
+ begin
+ break unless str = r[0].first.gets
+ rescue Exception => ex
+ # It is posssible that the socket causes an error (ex. Errno::ECONNRESET)
+ log_error("login_loop: #{ex.class}: #{ex.message}\n\t#{ex.backtrace[0]}")
+ break
+ end
+ $mutex.lock # guards $league
begin
str =~ /([\r\n]*)$/
eol = $1
if (ShogiServer::Login::good_login?(str))
player = ShogiServer::Player::new(str, client, eol)
login = ShogiServer::Login::factory(str, player)
- if (current_player = LEAGUE.find(player.name))
+ if (current_player = $league.find(player.name))
if (current_player.password == player.password &&
current_player.status != "game")
log_message(sprintf("user %s login forcely", player.name))
break
end
end
- LEAGUE.add(player)
+ $league.add(player)
break
else
client.write("LOGIN:incorrect" + eol)
end
def setup_logger(log_file)
- logger = Logger.new(log_file, 'daily')
+ logger = ShogiServer::Logger.new(log_file, 'daily')
logger.formatter = ShogiServer::Formatter.new
logger.level = $DEBUG ? Logger::DEBUG : Logger::INFO
logger.datetime_format = "%Y-%m-%d %H:%M:%S"
end
end
-def main
+def setup_floodgate
+ return Thread.start do
+ Thread.pass
+ floodgate = ShogiServer::League::Floodgate.new($league)
+ log_message("Flooddgate reloaded. The next match will start at %s." %
+ [floodgate.next_time])
- setup_watchdog_for_giant_lock
+ while (true)
+ begin
+ diff = floodgate.next_time - Time.now
+ if diff > 0
+ sleep(diff/2)
+ next
+ end
+ $league.reload
+ floodgate.match_game
+ floodgate.charge
+ next_time = floodgate.next_time
+ $mutex.synchronize do
+ log_message("Reloading source...")
+ ShogiServer.reload
+ end
+ floodgate = ShogiServer::League::Floodgate.new($league, next_time)
+ log_message("Floodgate: The next match will start at %s." %
+ [floodgate.next_time])
+ rescue Exception => ex
+ # ignore errors
+ log_error("[in Floodgate's thread] #{ex} #{ex.backtrace}")
+ end
+ end
+ end
+end
+def main
+
$options = parse_command_line
- if (ARGV.length != 2)
- usage
- exit 2
- end
- if $options["player-log-dir"] &&
- !File.exists?($options["player-log-dir"])
- usage
- exit 3
- end
- if $options["player-log-dir"]
- $options["player-log-dir"] = File.expand_path($options["player-log-dir"])
- end
+ check_command_line
+ $config = ShogiServer::Config.new $options
- LEAGUE.event = ARGV.shift
- port = ARGV.shift
+ $league = ShogiServer::League.new($topdir)
- dir = $options["daemon"]
- dir = File.expand_path(dir) if dir
- if dir && ! File.exist?(dir)
- FileUtils.mkdir(dir)
- end
+ $league.event = ARGV.shift
+ port = ARGV.shift
- log_file = dir ? File.join(dir, "shogi-server.log") : STDOUT
+ log_file = $options["daemon"] ? File.join($options["daemon"], "shogi-server.log") : STDOUT
$logger = setup_logger(log_file)
- LEAGUE.dir = dir || File.dirname(__FILE__)
- LEAGUE.setup_players_database
+ $league.dir = $topdir
config = {}
config[:Port] = port
config[:ServerType] = WEBrick::Daemon if $options["daemon"]
config[:Logger] = $logger
- if $options["pid-file"]
- pid_file = File.expand_path($options["pid-file"])
- config[:StartCallback] = Proc.new do
- write_pid_file(pid_file)
+
+ fg_thread = nil
+
+ config[:StartCallback] = Proc.new do
+ srand
+ if $options["pid-file"]
+ write_pid_file($options["pid-file"])
end
- config[:StopCallback] = Proc.new do
- FileUtils.rm(pid_file, :force => true)
+ setup_watchdog_for_giant_lock
+ $league.setup_players_database
+ fg_thread = setup_floodgate
+ end
+
+ config[:StopCallback] = Proc.new do
+ if $options["pid-file"]
+ FileUtils.rm($options["pid-file"], :force => true)
end
end
+ srand
server = WEBrick::GenericServer.new(config)
["INT", "TERM"].each do |signal|
trap(signal) do
- LEAGUE.shutdown
server.shutdown
+ fg_thread.kill if fg_thread
end
end
trap("HUP") do
- LEAGUE.shutdown
Dependencies.clear
- LEAGUE.restart
end
$stderr.puts("server started as a deamon [Revision: #{ShogiServer::Revision}]") if $options["daemon"]
log_message("server started [Revision: #{ShogiServer::Revision}]")
player.game.kill(player)
end
player.finish # socket has been closed
- LEAGUE.delete(player)
+ $league.delete(player)
log_message(sprintf("user %s logout", player.name))
ensure
$mutex.unlock
end
end
- $logger.close
end
TCPSocket.do_not_reverse_lookup = true
Thread.abort_on_exception = $DEBUG ? true : false
- LEAGUE = ShogiServer::League::new
- main
+ begin
+ main
+ rescue Exception => ex
+ if $logger
+ log_error("main: #{ex.class}: #{ex.message}\n\t#{ex.backtrace[0]}")
+ else
+ $stderr.puts "main: #{ex.class}: #{ex.message}\n\t#{ex.backtrace[0]}"
+ end
+ end
end
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