1 files changed, 60 insertions, 0 deletions
diff --git a/vmime-master/examples/example6_timeoutHandler.hpp b/vmime-master/examples/example6_timeoutHandler.hpp
new file mode 100644
index 0000000..7999084
--- /dev/null
+++ b/vmime-master/examples/example6_timeoutHandler.hpp
@@ -0,0 +1,60 @@
+#include <ctime>
+
+
+/** 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:
+
+	timeoutHandler()
+		: m_start(time(NULL)) {
+
+	}
+
+	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
+
+		// 10 seconds timeout
+		return (time(NULL) - m_start) >= 10;  // seconds
+	}
+
+	void resetTimeOut() {
+
+		// Called at the beginning of an operation (eg. connecting,
+		// a read() or a write() on a socket...)
+		m_start = time(NULL);
+	}
+
+	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 false here, the operation will be actually cancelled.
+		// If true, the time out is reset and the operation continues.
+		return false;
+	}
+
+private:
+
+	time_t m_start;
+};
+
+
+class timeoutHandlerFactory : public vmime::net::timeoutHandlerFactory {
+
+public:
+
+	vmime::shared_ptr <vmime::net::timeoutHandler> create() {
+
+		return vmime::make_shared <timeoutHandler>();
+	}
+};