X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=server.coffee;h=b1cdac9c95fa437ac130866ec311f254ec9b9ca0;hb=8c6e422dbf34db0f751e392e2e9d86fcdedf4aa7;hp=211ac7d4cb0c24a2347171bc690f13007c705411;hpb=8cb28c7d6dfb4667081726aa3cb200a1f8cb9ca8;p=peach-cgt.git

diff --git a/server.coffee b/server.coffee
index 211ac7d..b1cdac9 100644
--- a/server.coffee
+++ b/server.coffee
@@ -14,7 +14,7 @@
 # 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 = 8333
+listen_port = process.env.app_port ? 9988
 sys = require 'sys'
 fs = require 'fs'
 http = require 'http'
@@ -25,10 +25,43 @@ coffee = require 'coffee-script'
 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
@@ -71,7 +104,7 @@ js_handler = (args, out, request, url_parts) ->
 html_handler = (args, out, request, url_parts) ->
 	fs.readFile 'index.html', 'utf8', (err, data) ->
 		if err
-			return out.end 'Server failed to read index.html'
+			return out.end "Server failed to read index.html: #{err}"
 		out.end data
 
 clean_pathname_regex = new RegExp('[^a-zA-Z/_.-]')
@@ -153,6 +186,9 @@ set_handler = (args, out, request, url_parts) ->
 			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'
@@ -161,6 +197,8 @@ set_handler = (args, out, request, url_parts) ->
 
 	game = games[args.game]
 
+	game.last_seen = now_s()
+
 	game.process_messages messages
 
 	out.writeHead 200, "Content-Type": 'text/plain'
@@ -263,5 +301,12 @@ http_server = http.createServer (req, res) ->
 
 	return html_handler url_parts.query, res, req, url_parts
 
+################## INIT ####################
+# nodester starts this app with the current working directory set to / and working copy in /app
+if process.cwd() is '/'
+	process.chdir '/app'
+
+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}/"