1 files changed, 78 insertions, 0 deletions
diff --git a/cpp/src/qpid/acl/AclResourceCounter.h b/cpp/src/qpid/acl/AclResourceCounter.h
new file mode 100644
index 0000000000..f5995eb961
--- /dev/null
+++ b/cpp/src/qpid/acl/AclResourceCounter.h
@@ -0,0 +1,78 @@
+#ifndef QPID_ACL_RESOURCECOUNTER_H
+#define QPID_ACL_RESOURCECOUNTER_H
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include "qpid/sys/Mutex.h"
+#include <boost/iterator/iterator_concepts.hpp>
+
+#include <map>
+
+namespace qpid {
+
+namespace acl {
+class Acl;
+
+ /**
+ * Approve or disapprove resource creation requests
+ */
+class ResourceCounter
+{
+private:
+    typedef std::map<std::string, uint32_t> countsMap_t;
+    typedef std::map<std::string, std::string> queueOwnerMap_t;
+
+    Acl&             acl;
+    uint16_t         queueLimit;
+    qpid::sys::Mutex dataLock;
+
+    /** Records queueName-queueUserId */
+    queueOwnerMap_t queueOwnerMap;
+
+    /** Records queue-by-owner counts */
+    countsMap_t queuePerUserMap;
+
+    /** Return approval for proposed resource creation */
+    bool limitApproveLH(const std::string& theTitle,
+                        countsMap_t& theMap,
+                        const std::string& theName,
+                        uint16_t theLimit,
+                        bool emitLog);
+
+    /** Release a connection */
+    void releaseLH(const std::string& theTitle,
+                   countsMap_t& theMap,
+                   const std::string& theName,
+                   uint16_t theLimit);
+
+public:
+    ResourceCounter(Acl& acl, uint16_t ql);
+    ~ResourceCounter();
+
+    // Queue counting
+    bool approveCreateQueue(const std::string& userId, const std::string& queueName);
+    void recordDestroyQueue(const std::string& queueName);
+};
+
+}} // namespace qpid::acl
+
+#endif  /*!QPID_ACL_RESOURCECOUNTER_H*/