-listen_port = 8333
+# Peach CGT -- Card Game Table simulator
+# Copyright (C) 2011 Jason Woofenden
+#
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, either version 3 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 Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+listen_port = 13850
sys = require 'sys'
fs = require 'fs'
http = require 'http'
model = require './common.coffee'
games = {}
+max_concurrent_games = 50
+max_game_idle = 3 * 60 * 60 * 1000 # three hours (in miliseconds)
# timeout function with args in convenient order
timeout = (ms, func) -> setTimeout func, ms
+now_s = ->
+ d = new Date()
+ return d.getTime()
+
+expire_old_games = ->
+ count = 0
+ for slug, g of games
+ count += 1
+ oldest_slug = slug
+ oldest_seen = g.last_seen
+
+ return unless count > 0
+
+ # check all the games
+ # track oldest
+ # delete old ones
+ too_old = now_s() - max_game_idle
+ kills = []
+ for slug, g of games
+ if g.last_seen < oldest_seen
+ oldest_seen = g.last_seen
+ oldest_slug = slug
+ if g.last_seen < too_old
+ kills.push slug
+ if count > max_concurrent_games and kills.length is 0
+ console.log "hit max_concurrent_games, destroying oldest"
+ kills.push oldest_slug
+ for slug in kills
+ console.log "killing game #{slug}"
+ delete games[slug]
+
css_handler = (args, out, request, url_parts) ->
fs.readFile 'style.less', 'utf8', (err, data) ->
if err
if err
return out.end "Server failed to read #{filename}"
if convert
- out.end coffee.compile data
+ try
+ converted = coffee.compile data
+ catch e
+ out.end "alert(\"server faild to compile #{filename}\");"
+ out.end converted
else
out.end data
set_handler = (args, out, request, url_parts) ->
unless args.game?.length
out.writeHead 404, "Content-Type": 'text/plain'
- out.end 'Missing (or empty) "game" argument'
+ out.end '{"status":1,"text_status":"Missing (or empty) game argument"}'
return
unless args.agent is 'p1' or args.agent is 'p2'
out.writeHead 404, "Content-Type": 'text/plain'
- out.end '"agent" argument must be set to p1 or p2'
+ out.end '{"status":2,"text_status":"agent argument must be set to p1 or p2"}'
return
unless args.messages?
out.writeHead 404, "Content-Type": 'text/plain'
- out.end '"messages" argument must be set'
+ out.end '{"status":3,"text_status":"messages argument must be set"}'
return
+ try
+ messages = JSON.parse args.messages
+ catch e
+ out.writeHead 400, "Content-Type": 'text/plain'
+ out.end '{"status":4,"text_status":"Invalid JSON"}'
+ return
+
+ # special handling of 'new_game' api, because for this one we don't have a
+ # game object to pass the message to
+ if messages?[0]?[0] is 'new_game'
+ message = messages.shift()
+ slug = message[1]
+ if games[slug]?
+ out.writeHead 403, "Content-Type": 'text/plain'
+ out.end '{"status":6,"text_status":"Game already exists"}'
+ return
+ game = games[slug] = new_game slug, 'server'
+ game.last_seen = now_s()
+ console.log "new game: #{slug}"
+ expire_old_games()
+
unless games[args.game]?
out.writeHead 404, "Content-Type": 'text/plain'
- out.end 'Game not found'
+ out.end '{"status":5,"text_status":"Game not found"}'
return
game = games[args.game]
- # FIXME add error checking (json validity at least)
- game.process_messages JSON.parse args.messages
+ game.last_seen = now_s()
+
+ game.process_messages messages
out.writeHead 200, "Content-Type": 'text/plain'
out.end '{"status":0,"text_status":"Success"}'
@p2_queue.push message
answer_soon this
-new_game = (id) ->
- game = games[id] = model.new 'server'
+new_game = (slug) ->
+ game = games[slug] = model.new slug, 'server'
game.p1_waiter = false
game.p2_waiter = false
game.p1_queue = []
return game
-test_init = ->
- test_game = new_game 'test'
-test_init()
-
-
http_server = http.createServer (req, res) ->
url_parts = url.parse req.url, true
if url_parts.query is undefined
return html_handler url_parts.query, res, req, url_parts
+setInterval expire_old_games, 2 * 60 * 1000 # check every 2 minutes for expired games
+
http_server.listen listen_port, "127.0.0.1"
console.log "Server running at http://127.0.0.1:#{listen_port}/"
Got questions, comments, patches, etc.? Contact Jason Woofenden