Understanding connection flow

The client connects to the server, and the server calls onAppStart when the application instance is loaded (if the application is already running, onAppStart is not called). Next, the server-side onConnect handler is invoked with a newly created Client object. The logic in this method determines whether to accept or reject the connection. On the client side, the onStatus handler is called to report whether the connection was accepted or rejected. When the client closes the connection, the server-side onDisconnect handler is called. When the application is unloaded, onAppStop is invoked.

To accept the connection in the onConnect handler, return true or call application.acceptConnection(); to reject the connection, return false or call application.rejectConnection(). If true or false are not returned in the onConnect handler, clients remain pending until acceptConnection() or rejectConnection() is called.

Connection flow

NOTE

Only the client application can initiate a communication session. Both the client and the server send and receive status messages, open and close streams, save and share data, and end the network connection.

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