Fix generation of client uuid

Signed-off-by: falkTX <falktx@falktx.com>

common/JackEngine.cpp

@@ -52,7 +52,6 @@ JackEngine::JackEngine(JackGraphManager* manager,
         fClientTable[i] = NULL;
     }
     fLastSwitchUsecs = 0;
-    fMaxUUID = 0;
     fSessionPendingReplies = 0;
     fSessionTransaction = NULL;
     fSessionResult = NULL;
@@ -564,21 +563,15 @@ bool JackEngine::ClientCheckName(const char* name)
     return false;
 }
 
-int JackEngine::GetNewUUID()
-{
-    return fMaxUUID++;
-}
-
 void JackEngine::EnsureUUID(int uuid)
 {
-    if (uuid > fMaxUUID) {
-        fMaxUUID = uuid + 1;
-    }
+    if (uuid == 0)
+        return;
 
     for (int i = 0; i < CLIENT_NUM; i++) {
         JackClientInterface* client = fClientTable[i];
         if (client && (client->GetClientControl()->fSessionID == uuid)) {
-            client->GetClientControl()->fSessionID = GetNewUUID();
+            client->GetClientControl()->fSessionID = 0;
         }
     }
 }
@@ -613,7 +606,7 @@ int JackEngine::ClientExternalOpen(const char* name, int pid, int uuid, int* ref
     char real_name[JACK_CLIENT_NAME_SIZE + 1];
 
     if (uuid < 0) {
-        uuid = GetNewUUID();
+        uuid = jack_client_uuid_generate();
         strncpy(real_name, name, JACK_CLIENT_NAME_SIZE);
     } else {
         std::map<int, std::string>::iterator res = fReservationMap.find(uuid);
@@ -1083,7 +1076,7 @@ void JackEngine::SessionNotify(int refnum, const char *target, jack_session_even
     for (int i = 0; i < CLIENT_NUM; i++) {
         JackClientInterface* client = fClientTable[i];
         if (client && (client->GetClientControl()->fSessionID < 0)) {
-            client->GetClientControl()->fSessionID = GetNewUUID();
+            client->GetClientControl()->fSessionID = jack_client_uuid_generate();
         }
     }
     fSessionResult = new JackSessionNotifyResult();

common/JackEngine.h

@@ -60,7 +60,6 @@ class SERVER_EXPORT JackEngine : public JackLockAble
         detail::JackChannelTransactionInterface* fSessionTransaction;
         JackSessionNotifyResult* fSessionResult;
         std::map<int,std::string> fReservationMap;
-        int fMaxUUID;
 
         int ClientCloseAux(int refnum, bool wait);
         void CheckXRun(jack_time_t callback_usecs);
@@ -87,7 +86,6 @@ class SERVER_EXPORT JackEngine : public JackLockAble
         void NotifyPortRename(jack_port_id_t src, const char* old_name);
         void NotifyActivate(int refnum);
 
-        int GetNewUUID();
         void EnsureUUID(int uuid);
 
         bool CheckClient(int refnum)