new shared ring buffer

container/SharedRingBuffer.h

@@ -0,0 +1,42 @@
+#ifndef FRAMEWORK_CONTAINER_SHAREDRINGBUFFER_H_
+#define FRAMEWORK_CONTAINER_SHAREDRINGBUFFER_H_
+#include <framework/container/SimpleRingBuffer.h>
+#include <framework/ipc/MutexIF.h>
+#include <framework/timemanager/Clock.h>
+
+class SharedRingBuffer: public SimpleRingBuffer {
+public:
+	/**
+	 * This constructor allocates a new internal buffer with the supplied size.
+	 * @param size
+	 * @param overwriteOld
+	 * If the ring buffer is overflowing at a write operartion, the oldest data
+	 * will be overwritten.
+	 */
+	SharedRingBuffer(const size_t size, bool overwriteOld);
+
+	/**
+	 * This constructor takes an external buffer with the specified size.
+	 * @param buffer
+	 * @param size
+	 * @param overwriteOld
+	 * If the ring buffer is overflowing at a write operartion, the oldest data
+	 * will be overwritten.
+	 */
+	SharedRingBuffer(uint8_t* buffer, const size_t size, bool overwriteOld);
+
+	ReturnValue_t writeDataProtected(const uint8_t* data, size_t amount,
+			dur_millis_t timeout = 10);
+	ReturnValue_t readDataProtected(uint8_t *data, size_t amount,
+			dur_millis_t timeout = 10, bool incrementReadPtr = false,
+			bool readRemaining = false, size_t *trueAmount = nullptr);
+	ReturnValue_t deleteDataProtected(size_t amount,
+			bool deleteRemaining = false, size_t* trueAmount = nullptr,
+			dur_millis_t timeout = 10);
+private:
+	MutexIF* mutex = nullptr;
+};
+
+
+
+#endif /* FRAMEWORK_CONTAINER_SHAREDRINGBUFFER_H_ */