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authorChristian Gromm <christian.gromm@microchip.com>2016-12-08 13:51:04 +0100
committerChristian Gromm <christian.gromm@microchip.com>2016-12-08 13:51:04 +0100
commit8c5f2324d7aa61669324aec1a0ad091fe1379489 (patch)
tree29cbdcdbe3657e1400d596ec3d560a2573d80817 /Src/SafeVector.h
parente89ba11bd9111f02a940f227cf979f1947e975ac (diff)
src: unicens: import sources
This patch adds the source tree of the NetworkManager v3.0.4. Additionally, it provides the needed configuration scripts. Change-Id: I23778b51423b51a4f87741957e0fb208bceb79b3 Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
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+/*
+ * Video On Demand Samples
+ *
+ * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+/*----------------------------------------------------------*/
+/*! \file
+ * \brief This file contains the CSafeVector class.
+ */
+/*----------------------------------------------------------*/
+
+#ifndef SAFE_VECTOR_H
+#define SAFE_VECTOR_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <semaphore.h>
+#include <vector>
+#include "SafeVector.h"
+
+using namespace std;
+
+/*----------------------------------------------------------*/
+/*! \brief Thread safe vector class.
+ */
+/*----------------------------------------------------------*/
+template<typename T>
+class CSafeVector
+{
+private:
+ bool initialized;
+ std::vector<T> vec;
+ sem_t sem;
+public:
+ /*----------------------------------------------------------*/
+ /*! \brief Default constructor of CSafeVector.
+ */
+ /*----------------------------------------------------------*/
+ CSafeVector() : initialized(false)
+ {
+ sem_init( &sem, 0, 1 ); //Mutex, initialized to 1 => sem_wait will block at 2nd call
+ }
+
+ /*----------------------------------------------------------*/
+ /*! \brief Default destructor of CSafeVector.
+ */
+ /*----------------------------------------------------------*/
+ ~CSafeVector()
+ {
+ vec.empty();
+ sem_destroy( &sem);
+ }
+
+ /*----------------------------------------------------------*/
+ /*! \brief Stores the given object into the last postion of the vector.
+ */
+ /*----------------------------------------------------------*/
+ void PushBack(T obj)
+ {
+ if( NULL == obj )
+ return;
+ sem_wait( &sem );
+ vec.push_back( obj );
+ initialized = true;
+ sem_post( &sem );
+ }
+
+ /*----------------------------------------------------------*/
+ /*! \brief Gets the first element from the vector and dequeue it.
+ * \return The first object if exists, otherwise NULL,
+ */
+ /*----------------------------------------------------------*/
+ T PopFront()
+ {
+ T obj = NULL;
+ sem_wait( &sem );
+ if (vec.size() >= 1)
+ {
+ obj = vec[0];
+ vec.erase( vec.begin() );
+ }
+ sem_post( &sem );
+ return obj;
+ }
+
+ /*----------------------------------------------------------*/
+ /*! \brief Gets the first element from the vector and dequeue it.
+ * \return The first object if exists, otherwise NULL,
+ */
+ /*----------------------------------------------------------*/
+ T operator[](uint32_t p)
+ {
+ if( !initialized )
+ return NULL;
+ T obj = NULL;
+ sem_wait( &sem );
+ uint32_t s = vec.size();
+ if (0 != s && p < s)
+ {
+ obj = vec[p];
+ }
+ sem_post( &sem );
+ return obj;
+ }
+
+ /*----------------------------------------------------------*/
+ /*! \brief Gets the amount of objects stored in the vector.
+ * \return The amount of objects available.
+ */
+ /*----------------------------------------------------------*/
+ uint32_t Size()
+ {
+ uint32_t s;
+ if( !initialized )
+ return 0;
+
+ sem_wait( &sem );
+ s = vec.size();
+ sem_post( &sem );
+ return s;
+ }
+
+ /*----------------------------------------------------------*/
+ /*! \brief Safley removes the given object from the vector.
+ * \note If not found, it will be silently ignored.
+ * \note The memory of the object will NOT be freed!
+ */
+ /*----------------------------------------------------------*/
+ void Remove(T obj)
+ {
+ int32_t deleteIndex = -1;
+ if( !initialized || NULL == obj )
+ return;
+
+ sem_wait( &sem );
+ for( uint32_t i = 0; i < vec.size(); i++ )
+ {
+ if( obj == vec[i] )
+ {
+ deleteIndex = i;
+ break;
+ }
+ }
+ if( -1 != deleteIndex )
+ {
+ vec.erase( vec.begin() + deleteIndex );
+ }
+ sem_post( &sem );
+ }
+
+
+ /*----------------------------------------------------------*/
+ /*! \brief Safley removes the given object from the vector.
+ * \note If not found, it will be silently ignored.
+ * \param destroy - if set to true, the memory will be freed for each deleted object.
+ */
+ /*----------------------------------------------------------*/
+ void RemoveAll(bool destroy)
+ {
+ if( !initialized )
+ return;
+ sem_wait( &sem );
+ for( uint32_t i = 0; destroy && i < vec.size(); i++ )
+ {
+ T obj = vec[i];
+ delete obj;
+ }
+ vec.clear();
+ sem_post( &sem );
+ }
+};
+
+#endif //SAFE_VECTOR_H \ No newline at end of file