a little bit out of topic...but is xmpp on app engine availalbe for google chat works without secure socket ( for flash -- which do not support secure socket built in.... ) ??
On Apr 9, 7:36 pm, Ulrich <[email protected]> wrote: > g3 insight wrote: > > We are facing one problem when implementing reversed ajax call > > crossing users on GAE > > It is a game center, many client users join the game and play > > together. > > We supposed that there is a singleton Game Center instance, and all > > user is saved in user list within this Game Center instance. > > Then, if UserA did one request in game, and want to ask whether UserB > > accept it, then system(server side) will do one reverse ajax call to > > UserB to ask his response when processing UserA's request. > > Also, when there is any data update on user or game, we will also use > > reverse ajax call to push those new data to each client user in > > UserList which is saved in Game Center instance. > > Now, we understood the Game Center class will be initialized in > > different server (JVM), so Game Center is not singleton instance on > > GAE. > > Also we found that it is very difficult to do reverse ajax call > > crossing users on GAE, because we can not do reverse ajax call to > > client UserY who is on serverB, when system is processing request of > > UserX on serverA. > > Any idea for handling this type Reverse Ajax Solution (Comet) on GAE? > > Afaik, push notifications / Comet is currently not supported and using > things like long polling is not possible, too. But you could possibly > use the XMPP service > (<http://code.google.com/appengine/articles/using_xmpp.html>) for push > notifications. > > -Ulrich -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
