this should do the job

.gitignore

@@ -22,3 +22,7 @@ __pycache__
 !/.idea/cmake.xml
 
 generators/*.db
+
+# Clangd LSP
+/compile_commands.json
+/.cache

mission/tmtc/PersistentTmStore.cpp

@@ -140,12 +140,25 @@ ReturnValue_t PersistentTmStore::handleCommandQueue(StorageManagerIF& ipcStore,
       Clock::getClock_timeval(&currentTv);
       store_address_t storeId = TmStoreMessage::getStoreId(&cmdMessage);
       auto accessor = ipcStore.getData(storeId);
-      uint32_t deleteUpToUnixSeconds = 0;
       size_t size = accessor.second.size();
-      SerializeAdapter::deSerialize(&deleteUpToUnixSeconds, accessor.second.data(), &size,
+      if (size < 4) {
+        return returnvalue::FAILED;
+      }
+      const uint8_t* data = accessor.second.data();
+      uint32_t deleteUpToUnixSeconds = 0;
+      if (size == 4) {
+        SerializeAdapter::deSerialize(&deleteUpToUnixSeconds, &data, &size,
                                       SerializeIF::Endianness::NETWORK);
-      execCmd = cmd;
         deleteUpTo(deleteUpToUnixSeconds);
+      } else if (size == 8) {
+        uint32_t deleteFromUnixSeconds = 0;
+        SerializeAdapter::deSerialize(&deleteFromUnixSeconds, &data, &size,
+                                      SerializeIF::Endianness::NETWORK);
+        SerializeAdapter::deSerialize(&deleteUpToUnixSeconds, &data, &size,
+                                      SerializeIF::Endianness::NETWORK);
+        deleteFromUpTo(deleteFromUnixSeconds, deleteUpToUnixSeconds);
+      }
+      execCmd = cmd;
     } else if (cmd == TmStoreMessage::DOWNLINK_STORE_CONTENT_TIME) {
       Clock::getClock_timeval(&currentTv);
       store_address_t storeId = TmStoreMessage::getStoreId(&cmdMessage);
@@ -257,7 +270,9 @@ bool PersistentTmStore::updateBaseDir() {
   return true;
 }
 
-void PersistentTmStore::deleteUpTo(uint32_t unixSeconds) {
+void PersistentTmStore::deleteUpTo(uint32_t unixSeconds) { deleteFromUpTo(0, unixSeconds); }
+
+void PersistentTmStore::deleteFromUpTo(uint32_t startUnixTime, uint32_t endUnixTime) {
   using namespace std::filesystem;
   for (auto const& file : directory_iterator(basePath)) {
     if (file.is_directory() or (activeFile.has_value() and (activeFile.value() == file.path()))) {
@@ -270,7 +285,8 @@ void PersistentTmStore::deleteUpTo(uint32_t unixSeconds) {
       continue;
     }
     time_t fileEpoch = timegm(&fileTime);
-    if (fileEpoch + rolloverDiffSeconds < unixSeconds) {
+    if (fileEpoch + rolloverDiffSeconds < endUnixTime and
+        static_cast<uint32_t>(fileEpoch) >= startUnixTime) {
       std::error_code e;
       std::filesystem::remove(file.path(), e);
     }

mission/tmtc/PersistentTmStore.h

@@ -60,6 +60,7 @@ class PersistentTmStore : public TmStoreFrontendSimpleIF, public SystemObject {
   ReturnValue_t handleCommandQueue(StorageManagerIF& ipcStore, Command_t& execCmd);
 
   void deleteUpTo(uint32_t unixSeconds);
+  void deleteFromUpTo(uint32_t startUnixTime, uint32_t endUnixTime);
   ReturnValue_t startDumpFrom(uint32_t fromUnixSeconds);
   ReturnValue_t startDumpFromUpTo(uint32_t fromUnixSeconds, uint32_t upToUnixSeconds);
   /**

mission/tmtc/Service15TmStorage.cpp

@@ -16,8 +16,8 @@ Service15TmStorage::Service15TmStorage(object_id_t objectId, uint16_t apid,
 
 ReturnValue_t Service15TmStorage::isValidSubservice(uint8_t subservice) {
   switch (subservice) {
-    case (Subservices::DELETE_UP_TO):
-    case (Subservices::START_BY_TIME_RANGE_RETRIEVAL): {
+    case (Subservice::DELETE_UP_TO):
+    case (Subservice::START_BY_TIME_RANGE_RETRIEVAL): {
       return OK;
     }
     default: {
@@ -45,7 +45,8 @@ ReturnValue_t Service15TmStorage::getMessageQueueAndObject(uint8_t subservice,
 ReturnValue_t Service15TmStorage::prepareCommand(CommandMessage *message, uint8_t subservice,
                                                  const uint8_t *tcData, size_t tcDataLen,
                                                  uint32_t *state, object_id_t objectId) {
-  if (subservice == Subservices::START_BY_TIME_RANGE_RETRIEVAL) {
+  switch (subservice) {
+    case (Subservice::START_BY_TIME_RANGE_RETRIEVAL): {
       // TODO: Hardcoded to UNIX timestamps.. Should allow arbitrary timestamp and let receiver
       //       to time reading and reply handling
       if (tcDataLen != 12) {
@@ -59,7 +60,8 @@ ReturnValue_t Service15TmStorage::prepareCommand(CommandMessage *message, uint8_
       // Store timestamps
       TmStoreMessage::setDownlinkContentTimeMessage(message, storeId);
       return CommandingServiceBase::EXECUTION_COMPLETE;
-  } else if (subservice == Subservices::DELETE_UP_TO) {
+    }
+    case (Subservice::DELETE_UP_TO): {
       // TODO: Hardcoded to UNIX timestamps.. Should allow arbitrary timestamp and let receiver
       //       to time reading and reply handling
       if (tcDataLen != 8) {
@@ -74,6 +76,25 @@ ReturnValue_t Service15TmStorage::prepareCommand(CommandMessage *message, uint8_
       TmStoreMessage::setDeleteContentTimeMessage(message, storeId);
       return CommandingServiceBase::EXECUTION_COMPLETE;
     }
+    case (Subservice::DELETE_BY_TIME_RANGE): {
+      // TODO: Hardcoded two UNIX timestamps.. Should allow arbitrary timestamp and let receiver
+      //       to time reading and reply handling
+      if (tcDataLen != 12) {
+        return INVALID_TC;
+      }
+      store_address_t storeId;
+      ReturnValue_t result = ipcStore->addData(&storeId, tcData + 4, tcDataLen - 4);
+      if (result != OK) {
+        return result;
+      }
+      // Store timestamps
+      TmStoreMessage::setDeleteContentTimeMessage(message, storeId);
+      return CommandingServiceBase::EXECUTION_COMPLETE;
+    }
+    default: {
+      return CommandingServiceBase::INVALID_SUBSERVICE;
+    }
+  }
   return OK;
 }
 

mission/tmtc/Service15TmStorage.h

@@ -5,7 +5,11 @@
 
 class Service15TmStorage : public CommandingServiceBase {
  public:
-  enum Subservices : uint8_t { START_BY_TIME_RANGE_RETRIEVAL = 9, DELETE_UP_TO = 11 };
+  enum Subservice : uint8_t {
+    START_BY_TIME_RANGE_RETRIEVAL = 9,
+    DELETE_UP_TO = 11,
+    DELETE_BY_TIME_RANGE = 128
+  };
   explicit Service15TmStorage(object_id_t objectId, uint16_t apid, uint8_t numParallelCommands,
                               uint16_t commandTimeoutSecs = 60, size_t queueDepth = 10);
 

tmtc

@@ -1 +1 @@
-Subproject commit 99c6c8bbd0d791d8b17720de481c6142091a54a4
+Subproject commit 07b13c153dab03c35ea3c7921f68c6ba77049d1e