update20140630

uni/masterarbeit/source/moversight/mt/MulticastMessageQueue.cc

@@ -0,0 +1,122 @@
+/*
+ * File:   MulticastMessageQueue.cc
+ * Author: jgaebler
+ *
+ * Created on April 13, 2010, 6:14 PM
+ */
+
+#include "MulticastMessageQueue.h"
+#include "mt/msg/MulticastMessage.h"
+#include <algorithm>
+
+namespace ubeeme {
+    namespace moversight {
+
+        /**
+         * @brief Clears the queue.
+         */
+        void
+        MulticastMessageQueue::clear() {
+
+            for (auto m = queue.begin(); m != queue.end();) {
+                delete *m;
+                m = queue.erase(m);
+            }
+        }
+
+        /**
+         * @brief Removes a node from the queue, if it exists
+         * @param mref Identifies the node to remove
+         */
+        void
+        MulticastMessageQueue::remove(const MessageReference & mref) {
+
+            auto it = std::find_if(queue.begin(), queue.end(), MulticastMessageFunctor(mref));
+
+            if (it != queue.end()) {
+                delete *it;
+                queue.erase(it);
+            }
+        }
+
+        /**
+         * @brief Sorts the message queue according the logicalDelvieryTime, stored within each message.
+         * @see MulticastMessageLogicalDeliveryTimeComparatorLessThan
+         */
+        void
+        MulticastMessageQueue::sortByLogicalDeliveryTime() {
+            std::sort(queue.begin(), queue.end(), MulticastMessageLogicalDeliveryTimeComparatorLessThan);
+        }
+
+        /**
+         * @brief Returns the stored multicast message, if it stored within the queue, else otherwise.
+         * @param mRef the message reference identifing the search message
+         * @return the stored message, if it stored within the queue, NULL otherwise
+         */
+        MulticastMessage*
+        MulticastMessageQueue::find(const MessageReference & mref) {
+            auto it = std::find_if(queue.begin(), queue.end(), MulticastMessageFunctor(mref));
+
+            if (it == queue.end()) {
+                return NULL;
+            }
+
+            return *it;
+        }
+
+        /**
+         * @brief Adds a copy of the given multicast message to the queue.
+         * @param pdu the message to add
+         */
+        void
+        MulticastMessageQueue::add(const MulticastMessage * pdu) {
+            MulticastMessage* elem = find(pdu->getMessageReference());
+
+            if (elem == NULL) {
+                MessageQueue::add(pdu->dup());
+            }
+        }
+
+        /**
+         * @brief Prints the content of the queue to the standard output. Only used for debug purpose.
+         */
+        void
+        MulticastMessageQueue::printQueue() {
+
+            auto it = queue.begin();
+            std::stringstream stream;
+
+            while (it != queue.end()) {
+                stream << " message_reference: " << (*it)->getMessageReference()
+                        << " source: " << (*it)->getSourceID()
+                        << " last_hop: " << (*it)->getLastHop()
+                        << " sequ: " << (*it)->getSequ() << " lt: " << (*it)->getLT() << " | ";
+
+                it++;
+            }
+
+            stream << "\n";
+
+#if OMNETPP
+            std::cout << stream.str();
+#else
+            MOV_DEBUG << stream.str().c_str();
+#endif
+
+        }
+
+        /**
+         * @brief Compares the logicalDeliveryTime of the given messages and returns true, if the delivery time of a less than the one of b.
+         * @param a The first message.
+         * @param b The second message.
+         * @return True, if the delivery time of the message a less than the corresponding time of b, false otherwise.
+         * @throws NullPointerException If one of the given attributes NULL.
+         */
+        bool
+        MulticastMessageLogicalDeliveryTimeComparatorLessThan(const MulticastMessage * a, const MulticastMessage * b) {
+            if (a == NULL) throw NullPointerException("MulticastMessageLogicalDeliveryTimeComparatorLessThan - the first argument given is NULL");
+            if (b == NULL) throw NullPointerException("MulticastMessageLogicalDeliveryTimeComparatorLessThan - the second argument given is NULL");
+            return (a->getLogicalDeliveryTime() < b->getLogicalDeliveryTime());
+        }
+    }
+}