fix mppt to not self destruct, log output

rust/src/webserver/webserver.rs

@@ -207,6 +207,13 @@ fn get_battery_state(
     anyhow::Ok(Some(battery_json))
 }
 
+fn get_log(
+    _request: &mut Request<&mut EspHttpConnection>,
+) -> Result<Option<std::string::String>, anyhow::Error> {
+    let output = crate::log::get_log();
+    anyhow::Ok(Some(serde_json::to_string(&output)?))
+}
+
 fn get_version_web(
     _request: &mut Request<&mut EspHttpConnection>,
 ) -> Result<Option<std::string::String>, anyhow::Error> {
@@ -354,6 +361,11 @@ pub fn httpd(reboot_now: Arc<AtomicBool>) -> Box<EspHttpServer<'static>> {
             handle_error_to500(request, get_version_web)
         })
         .unwrap();
+    server
+    .fn_handler("/log", Method::Get, |request| {
+        handle_error_to500(request, get_log)
+    })
+    .unwrap();
     server
         .fn_handler("/battery", Method::Get, |request| {
             handle_error_to500(request, get_battery_state)