50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
#include <framework/container/SharedRingBuffer.h>
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#include <framework/ipc/MutexFactory.h>
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#include <framework/ipc/MutexHelper.h>
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SharedRingBuffer::SharedRingBuffer(object_id_t objectId, const size_t size,
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bool overwriteOld, size_t maxExcessBytes, dur_millis_t mutexTimeout):
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SystemObject(objectId), SimpleRingBuffer(size, overwriteOld,
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maxExcessBytes), mutexTimeout(mutexTimeout) {
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mutex = MutexFactory::instance()->createMutex();
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}
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SharedRingBuffer::SharedRingBuffer(object_id_t objectId, uint8_t *buffer,
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const size_t size, bool overwriteOld, size_t maxExcessBytes,
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dur_millis_t mutexTimeout):
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SystemObject(objectId), SimpleRingBuffer(buffer, size, overwriteOld,
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maxExcessBytes), mutexTimeout(mutexTimeout) {
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mutex = MutexFactory::instance()->createMutex();
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}
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ReturnValue_t SharedRingBuffer::getFreeElementProtected(uint8_t** writePtr,
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size_t amount) {
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MutexHelper(mutex, mutexTimeout);
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return SimpleRingBuffer::getFreeElement(writePtr,amount);
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}
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ReturnValue_t SharedRingBuffer::writeDataProtected(const uint8_t *data,
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size_t amount) {
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MutexHelper(mutex, mutexTimeout);
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return SimpleRingBuffer::writeData(data,amount);
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}
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ReturnValue_t SharedRingBuffer::readDataProtected(uint8_t *data, size_t amount,
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bool incrementReadPtr, bool readRemaining,
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size_t *trueAmount) {
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MutexHelper(mutex, mutexTimeout);
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return SimpleRingBuffer::readData(data,amount, incrementReadPtr,
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readRemaining, trueAmount);
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}
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ReturnValue_t SharedRingBuffer::deleteDataProtected(size_t amount,
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bool deleteRemaining, size_t *trueAmount) {
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MutexHelper(mutex, mutexTimeout);
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return SimpleRingBuffer::deleteData(amount, deleteRemaining, trueAmount);
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}
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size_t SharedRingBuffer::getAvailableReadDataProtected(uint8_t n) const {
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MutexHelper(mutex, mutexTimeout);
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return ((write + size) - read[n]) % size;
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}
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