loggerd: implement DONT_LOG flag (#21832)

* implement DONT_LOG flag

* better typing
old-commit-hash: 8354cfc53c

selfdrive/common/params.cc

@@ -146,7 +146,7 @@ private:
 };
 
 std::unordered_map<std::string, uint32_t> keys = {
-    {"AccessToken", CLEAR_ON_MANAGER_START},
+    {"AccessToken", CLEAR_ON_MANAGER_START | DONT_LOG},
     {"ApiCache_DriveStats", PERSISTENT},
     {"ApiCache_Device", PERSISTENT},
     {"ApiCache_Owner", PERSISTENT},
@@ -191,7 +191,7 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"LastUpdateException", PERSISTENT},
     {"LastUpdateTime", PERSISTENT},
     {"LiveParameters", PERSISTENT},
-    {"MapboxToken", PERSISTENT},
+    {"MapboxToken", PERSISTENT | DONT_LOG},
     {"NavDestination", CLEAR_ON_MANAGER_START | CLEAR_ON_IGNITION_OFF},
     {"NavSettingTime24h", PERSISTENT},
     {"OpenpilotEnabledToggle", PERSISTENT},
@@ -246,6 +246,10 @@ bool Params::checkKey(const std::string &key) {
   return keys.find(key) != keys.end();
 }
 
+ParamKeyType Params::getKeyType(const std::string &key) {
+  return static_cast<ParamKeyType>(keys[key]);
+}
+
 int Params::put(const char* key, const char* value, size_t value_size) {
   // Information about safely and atomically writing a file: https://lwn.net/Articles/457667/
   // 1) Create temp file

selfdrive/common/params.h

@@ -12,7 +12,8 @@ enum ParamKeyType {
   CLEAR_ON_PANDA_DISCONNECT = 0x08,
   CLEAR_ON_IGNITION_ON = 0x10,
   CLEAR_ON_IGNITION_OFF = 0x20,
-  ALL = 0x02 | 0x04 | 0x08 | 0x10 | 0x20
+  DONT_LOG = 0x40,
+  ALL = 0x02 | 0x04 | 0x08 | 0x10 | 0x20 | 0x40
 };
 
 class Params {
@@ -24,6 +25,7 @@ public:
   Params(const std::string &path);
 
   bool checkKey(const std::string &key);
+  ParamKeyType getKeyType(const std::string &key);
 
   // Delete a value
   int remove(const char *key);

selfdrive/loggerd/logger.cc

@@ -108,7 +108,9 @@ kj::Array<capnp::word> logger_build_init_data() {
   for (auto& [key, value] : params_map) {
     auto lentry = lparams[i];
     lentry.setKey(key);
+    if ( !(params.getKeyType(key) & DONT_LOG) ) {
       lentry.setValue(capnp::Data::Reader((const kj::byte*)value.data(), value.size()));
+    }
     i++;
 
   }