include all users messages if level was not requested in find command

src/ebusd/mainloop.cpp

@@ -288,7 +288,7 @@ void MainLoop::run() {
     }
     time(&now);
     if (!dataSinks.empty()) {
-      messages = m_messages->findAll("", "", "*", false, true, true, true, true, sinkSince, now);
+      messages = m_messages->findAll("", "", "*", false, true, true, true, true, true, sinkSince, now);
       for (deque<Message*>::iterator it = messages.begin(); it != messages.end(); it++) {
         Message* message = *it;
         for (list<DataSink*>::iterator it = dataSinks.begin(); it != dataSinks.end(); it++) {
@@ -328,7 +328,7 @@ void MainLoop::run() {
     }
     if (listening) {
       string levels = getUserLevels(user);
-      messages = m_messages->findAll("", "", levels, false, true, true, true, true, since, now);
+      messages = m_messages->findAll("", "", levels, false, true, true, true, true, true, since, now);
       for (deque<Message*>::iterator it = messages.begin(); it != messages.end(); it++) {
         Message* message = *it;
         ostream << message->getCircuit() << " " << message->getName() << " = " << dec;
@@ -963,7 +963,7 @@ string MainLoop::executeHex(vector<string> &args) {
 string MainLoop::executeFind(vector<string> &args, string levels) {
   size_t argPos = 1;
   bool configFormat = false, exact = false, withRead = true, withWrite = false, withPassive = true, first = true,
-      onlyWithData = false, hexFormat = false;
+      onlyWithData = false, hexFormat = false, userLevel = true;
   OutputFormat verbosity = 0;
   vector<column_t> columns;
   string circuit;
@@ -1075,6 +1075,7 @@ string MainLoop::executeFind(vector<string> &args, string levels) {
         break;
       }
       levels = args[argPos];
+      userLevel = false;
     } else {
       argPos = 0;  // print usage
       break;
@@ -1103,7 +1104,7 @@ string MainLoop::executeFind(vector<string> &args, string levels) {
          "  NAME           NAME of the messages to find (or a part thereof without '-e')";
   }
   deque<Message*> messages = m_messages->findAll(
-    circuit, args.size() == argPos ? "" : args[argPos], levels, exact, withRead, withWrite, withPassive);
+    circuit, args.size() == argPos ? "" : args[argPos], levels, exact, withRead, withWrite, withPassive, userLevel);
 
   bool found = false;
   ostringstream result;

src/lib/ebus/message.cpp

@@ -2002,8 +2002,8 @@ Message* MessageMap::find(const string& circuit, const string& name, const strin
 }
 
 deque<Message*> MessageMap::findAll(const string& circuit, const string& name, const string& levels,
-    const bool completeMatch, const bool withRead, const bool withWrite,
-    const bool withPassive, const bool onlyAvailable,
+    const bool completeMatch, const bool withRead, const bool withWrite, const bool withPassive,
+    const bool includeEmptyLevel, const bool onlyAvailable,
     const time_t since, const time_t until) {
   deque<Message*> ret;
   string lcircuit = circuit;
@@ -2019,7 +2019,7 @@ deque<Message*> MessageMap::findAll(const string& circuit, const string& name, c
     }
     for (vector<Message*>::iterator msgIt = it->second.begin(); msgIt != it->second.end(); msgIt++) {
       Message* message = *msgIt;
-      if (checkLevel && !message->hasLevel(levels, !completeMatch)) {
+      if (checkLevel && !message->hasLevel(levels, includeEmptyLevel)) {
         continue;
       }
       if (checkCircuit) {

src/lib/ebus/message.h

@@ -1320,6 +1320,8 @@ class MessageMap : public FileReader {
    * @param withWrite true to include write messages (default false).
    * @param withPassive true to include passive messages (default false).
    * @return the found @a Message instances.
+   * @param includeEmptyLevel true to also include messages with no access level, false to include only messages with
+   * the specified level.
    * @param onlyAvailable true to include only available messages (default true), false to also include messages that
    * are currently not available (e.g. due to unresolved or false conditions).
    * @param since the start time from which to add updates (inclusive, also removes messages with unset destination
@@ -1330,7 +1332,7 @@ class MessageMap : public FileReader {
    */
   deque<Message*> findAll(const string& circuit, const string& name, const string& levels,
     const bool completeMatch = true, const bool withRead = true, const bool withWrite = false,
-    const bool withPassive = false, const bool onlyAvailable = true,
+    const bool withPassive = false, const bool includeEmptyLevel = true, const bool onlyAvailable = true,
     const time_t since = 0, const time_t until = 0);
 
   /**