server: Log file name constant

[tattlekey] / client / config.h

diff --git a/client/config.h b/client/config.h
index 2ffce683b52358cce8c605ad37feed37188c5e1a..3a61793a372d6895de3d9324b9673aec20587d73 100644 (file)
--- a/client/config.h
+++ b/client/config.h
@@ -42,7 +42,24 @@ extern const uint config_button_pin;
  * times in short succession.  (We also use this to de-bounce. :) */
 extern const u32_t config_minimum_seconds_between_button_presses;
 
  * times in short succession.  (We also use this to de-bounce. :) */
 extern const u32_t config_minimum_seconds_between_button_presses;
 

-/* Send each report multiple times. */
+/* Send each report multiple times. Re-sends are sent with exponential delay:
+ *   #1 sent immediately
+ *   #2 after 1 seconds
+ *   #3 after 2 seconds
+ *   #4 after 4 seconds
+ *   #5 after 8 seconds
+ *   ...
+ *   #11 after 8 minutes
+ *   #12 after 17 minutes
+ *   #13 after 34 minutes
+ *   #14 after 68 minutes
+ *   #15 after 2 hours
+ *   #16 after 4 hours
+ *   #17 after 9 hours
+ *   etc.
+ * This provides some robustness against network outages, automatically
+ * replaying the log periodically to be collected after connectivity
+ * is restored. */

 extern const uint config_resend_count;
 
 /* These control the size of the per-send-count press queues.
 extern const uint config_resend_count;
 
 /* These control the size of the per-send-count press queues.