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-rw-r--r--examples/example6_timeoutHandler.hpp48
1 files changed, 48 insertions, 0 deletions
diff --git a/examples/example6_timeoutHandler.hpp b/examples/example6_timeoutHandler.hpp
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+
+
+/** Time out handler.
+ * Used to stop the current operation after too much time, or if the user
+ * requested cancellation.
+ */
+class timeoutHandler : public vmime::net::timeoutHandler
+{
+public:
+
+ bool isTimeOut()
+ {
+ // This is a cancellation point: return true if you want to cancel
+ // the current operation. If you return true, handleTimeOut() will
+ // be called just after this, and before actually cancelling the
+ // operation
+ return false;
+ }
+
+ void resetTimeOut()
+ {
+ // Called at the beginning of an operation (eg. connecting,
+ // a read() or a write() on a socket...)
+ }
+
+ bool handleTimeOut()
+ {
+ // If isTimeOut() returned true, this function will be called. This
+ // allows you to interact with the user, ie. display a prompt to
+ // know whether he wants to cancel the operation.
+
+ // If you return true here, the operation will be actually cancelled.
+ // If not, the time out is reset and the operation continues.
+ return true;
+ }
+};
+
+
+class timeoutHandlerFactory : public vmime::net::timeoutHandlerFactory
+{
+public:
+
+ vmime::shared_ptr <vmime::net::timeoutHandler> create()
+ {
+ return vmime::make_shared <timeoutHandler>();
+ }
+};
+