Add logic summary

1 files changed, 20 insertions, 0 deletions

diff --git a/src/main.rs b/src/main.rs
index e7a11a9..fcea38d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,23 @@
+// Reboot and rollback logic
+//   /data/update does not exist? => MONITOR
+// CHECK:
+//   Connection to tcp!ipv4.google.com!80 unsuccessful? => FAIL
+//   Connection to tcp!ipv6.google.com!80 unsuccessful? => FAIL
+//   No connection from updater? => FAIL
+//   => MONITOR
+// FAIL:
+//   If 5m passed since first CHECK? => TIMEOUT
+//   Wait 30s => CHECK
+// TIMEOUT:
+//   Trigger rollback (can use /data/admind.passwd) => REBOOT
+// MONITOR:
+//   Connection to tcp!ipv4.google.com!80 unsuccessful? => DROPOUT
+//   Connection to tcp!ipv6.google.com!80 unsuccessful? => DROPOUT
+//   Wait 5m => MONITOR
+// DROPOUT:
+//   If DROPOUT for 1h? => REBOOT
+//   Wait 5m => MONITOR
+
 fn main() {
     println!("Hello, world!");
 }