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shared ring buffer continued

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This commit is contained in:
Robin Müller 2020-08-04 02:25:10 +02:00
parent 4e9e465360
commit 6b475792a4
2 changed files with 20 additions and 8 deletions
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19
container/SharedRingBuffer.cpp
View File

@ -3,19 +3,26 @@
#include <framework/ipc/MutexHelper.h>
SharedRingBuffer::SharedRingBuffer(object_id_t objectId, const size_t size,
bool overwriteOld, dur_millis_t mutexTimeout):
SystemObject(objectId), SimpleRingBuffer(size, overwriteOld),
mutexTimeout(mutexTimeout) {
bool overwriteOld, size_t maxExcessBytes, dur_millis_t mutexTimeout):
SystemObject(objectId), SimpleRingBuffer(size, overwriteOld,
maxExcessBytes), mutexTimeout(mutexTimeout) {
mutex = MutexFactory::instance()->createMutex();
}
SharedRingBuffer::SharedRingBuffer(object_id_t objectId, uint8_t *buffer,
const size_t size, bool overwriteOld, dur_millis_t mutexTimeout):
SystemObject(objectId), SimpleRingBuffer(buffer, size, overwriteOld),
mutexTimeout(mutexTimeout) {
const size_t size, bool overwriteOld, size_t maxExcessBytes,
dur_millis_t mutexTimeout):
SystemObject(objectId), SimpleRingBuffer(buffer, size, overwriteOld,
maxExcessBytes), mutexTimeout(mutexTimeout) {
mutex = MutexFactory::instance()->createMutex();
}
ReturnValue_t SharedRingBuffer::getFreeElementProtected(uint8_t** writePtr,
size_t amount) {
MutexHelper(mutex, mutexTimeout);
return SimpleRingBuffer::getFreeElement(writePtr,amount);
}
ReturnValue_t SharedRingBuffer::writeDataProtected(const uint8_t *data,
size_t amount) {
MutexHelper(mutex, mutexTimeout);

9
container/SharedRingBuffer.h
View File

@ -17,7 +17,8 @@ public:
* will be overwritten.
*/
SharedRingBuffer(object_id_t objectId, const size_t size,
bool overwriteOld, dur_millis_t mutexTimeout = 10);
bool overwriteOld, size_t maxExcessBytes,
dur_millis_t mutexTimeout = 10);
/**
* This constructor takes an external buffer with the specified size.
@ -28,10 +29,14 @@ public:
* will be overwritten.
*/
SharedRingBuffer(object_id_t objectId, uint8_t* buffer, const size_t size,
bool overwriteOld, dur_millis_t mutexTimeout = 10);
bool overwriteOld, size_t maxExcessBytes,
dur_millis_t mutexTimeout = 10);
void setMutexTimeout(dur_millis_t newTimeout);
/** Performs mutex protected SimpleRingBuffer::getFreeElement call */
ReturnValue_t getFreeElementProtected(uint8_t** writePtr, size_t amount);
/** Performs mutex protected SimpleRingBuffer::writeData call */
ReturnValue_t writeDataProtected(const uint8_t* data, size_t amount);