log current bootlog (#27645)

* log current bootlog

* rm path

* mv that

---------

Co-authored-by: Comma Device <device@comma.ai>
old-commit-hash: be659c976c

common/params.cc

@@ -98,6 +98,7 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"CarVin", CLEAR_ON_MANAGER_START | CLEAR_ON_IGNITION_ON},
     {"CompletedTrainingVersion", PERSISTENT},
     {"ControlsReady", CLEAR_ON_MANAGER_START | CLEAR_ON_IGNITION_ON},
+    {"CurrentBootlog", PERSISTENT},
     {"CurrentRoute", CLEAR_ON_MANAGER_START | CLEAR_ON_IGNITION_ON},
     {"DisableLogging", CLEAR_ON_MANAGER_START | CLEAR_ON_IGNITION_ON},
     {"DisablePowerDown", PERSISTENT},

system/loggerd/bootlog.cc

@@ -2,6 +2,7 @@
 #include <string>
 
 #include "cereal/messaging/messaging.h"
+#include "common/params.h"
 #include "common/swaglog.h"
 #include "system/loggerd/logger.h"
 
@@ -48,7 +49,8 @@ static kj::Array<capnp::word> build_boot_log() {
 }
 
 int main(int argc, char** argv) {
-  const std::string path = LOG_ROOT + "/boot/" + logger_get_route_name();
+  const std::string timestr = logger_get_route_name();
+  const std::string path = LOG_ROOT + "/boot/" + timestr;
   LOGW("bootlog to %s", path.c_str());
 
   // Open bootlog
@@ -61,5 +63,8 @@ int main(int argc, char** argv) {
   // Write bootlog
   file.write(build_boot_log().asBytes());
 
+  // Write out bootlog param to match routes with bootlog
+  Params().put("CurrentBootlog", timestr.c_str());
+
   return 0;
 }