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How to detect disconnection of flash client from php server?

开发者 https://www.devze.com 2023-03-22 09:28 出处:网络
How can the disconnection or Closure of the flash client be detected while using a php backend which ensures that only active client usernames are present in the datbase. My approaches were to use som

How can the disconnection or Closure of the flash client be detected while using a php backend which ensures that only active client usernames are present in the datbase. My approaches were to use some polling method - where the client sends some message to the server periodically else the server deletes the client's name from the DB assuming it is closed - or to use some augmenting javascript code that informs the backend of a closure event. This won't help in case of an abrupt, improper closing wher开发者_JAVA技巧e the script won't run. Are there any other more efficient methods for doing this?


the poller method is how i addressed this issue in the past. set flash to poll a php heartbeat script at a set interval which will up date the last access time of the users session. Then if the heartbeats stop the session clean up can clear out any expired sessions

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