when using channel api, we need to keep track of all users so that we can loop through the list and send broadcast message to all. how to know whether user still connected without require user to frequently send ping back to server that they are still opening browser?
what technique do you,guru use to minimum flooding the bandwidth? 1. can hannelService.sendMessage(CHANNEL,) able to get error message if user channel already closed? (user closed browser without log out) 2. can hannelService.sendMessage(CHANNEL,) give status where client guaranteed success receive the message? -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
