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petriVM18
2020-09-16 07:04:33 +02:00
parent 86f2004569 42bfedd36c
commit bdec426196
442 changed files with 11808 additions and 4922 deletions
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149
osal/linux/BinarySemaphore.cpp Normal file
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@ -0,0 +1,149 @@
#include "../../osal/linux/BinarySemaphore.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
extern "C" {
#include <errno.h>
#include <string.h>
}
BinarySemaphore::BinarySemaphore() {
// Using unnamed semaphores for now
initSemaphore();
}
BinarySemaphore::~BinarySemaphore() {
sem_destroy(&handle);
}
BinarySemaphore::BinarySemaphore(BinarySemaphore&& s) {
initSemaphore();
}
BinarySemaphore& BinarySemaphore::operator =(
BinarySemaphore&& s) {
initSemaphore();
return * this;
}
ReturnValue_t BinarySemaphore::acquire(TimeoutType timeoutType,
uint32_t timeoutMs) {
int result = 0;
if(timeoutType == TimeoutType::POLLING) {
result = sem_trywait(&handle);
}
else if(timeoutType == TimeoutType::BLOCKING) {
result = sem_wait(&handle);
}
else if(timeoutType == TimeoutType::WAITING){
timespec timeOut;
clock_gettime(CLOCK_REALTIME, &timeOut);
uint64_t nseconds = timeOut.tv_sec * 1000000000 + timeOut.tv_nsec;
nseconds += timeoutMs * 1000000;
timeOut.tv_sec = nseconds / 1000000000;
timeOut.tv_nsec = nseconds - timeOut.tv_sec * 1000000000;
result = sem_timedwait(&handle, &timeOut);
if(result != 0 and errno == EINVAL) {
sif::debug << "BinarySemaphore::acquire: Invalid time value possible"
<< std::endl;
}
}
if(result == 0) {
return HasReturnvaluesIF::RETURN_OK;
}
switch(errno) {
case(EAGAIN):
// Operation could not be performed without blocking (for sem_trywait)
case(ETIMEDOUT):
// Semaphore is 0
return SemaphoreIF::SEMAPHORE_TIMEOUT;
case(EINVAL):
// Semaphore invalid
return SemaphoreIF::SEMAPHORE_INVALID;
case(EINTR):
// Call was interrupted by signal handler
sif::debug << "BinarySemaphore::acquire: Signal handler interrupted."
"Code " << strerror(errno) << std::endl;
/* No break */
default:
return HasReturnvaluesIF::RETURN_FAILED;
}
}
ReturnValue_t BinarySemaphore::release() {
return BinarySemaphore::release(&this->handle);
}
ReturnValue_t BinarySemaphore::release(sem_t *handle) {
ReturnValue_t countResult = checkCount(handle, 1);
if(countResult != HasReturnvaluesIF::RETURN_OK) {
return countResult;
}
int result = sem_post(handle);
if(result == 0) {
return HasReturnvaluesIF::RETURN_OK;
}
switch(errno) {
case(EINVAL):
// Semaphore invalid
return SemaphoreIF::SEMAPHORE_INVALID;
case(EOVERFLOW):
// SEM_MAX_VALUE overflow. This should never happen
default:
return HasReturnvaluesIF::RETURN_FAILED;
}
}
uint8_t BinarySemaphore::getSemaphoreCounter() const {
// And another ugly cast :-D
return getSemaphoreCounter(const_cast<sem_t*>(&this->handle));
}
uint8_t BinarySemaphore::getSemaphoreCounter(sem_t *handle) {
int value = 0;
int result = sem_getvalue(handle, &value);
if (result == 0) {
return value;
}
else if(result != 0 and errno == EINVAL) {
// Could be called from interrupt, use lightweight printf
printf("BinarySemaphore::getSemaphoreCounter: Invalid semaphore\n");
return 0;
}
else {
// This should never happen.
return 0;
}
}
void BinarySemaphore::initSemaphore(uint8_t initCount) {
auto result = sem_init(&handle, true, initCount);
if(result == -1) {
switch(errno) {
case(EINVAL):
// Value exceeds SEM_VALUE_MAX
case(ENOSYS):
// System does not support process-shared semaphores
sif::error << "BinarySemaphore: Init failed with" << strerror(errno)
<< std::endl;
}
}
}
ReturnValue_t BinarySemaphore::checkCount(sem_t* handle, uint8_t maxCount) {
int value = getSemaphoreCounter(handle);
if(value >= maxCount) {
if(maxCount == 1 and value > 1) {
// Binary Semaphore special case.
// This is a config error use lightweight printf is this is called
// from an interrupt
printf("BinarySemaphore::release: Value of binary semaphore greater"
" than 1!\n");
return HasReturnvaluesIF::RETURN_FAILED;
}
return SemaphoreIF::SEMAPHORE_NOT_OWNED;
}
return HasReturnvaluesIF::RETURN_OK;
}

81
osal/linux/BinarySemaphore.h Normal file
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@ -0,0 +1,81 @@
#ifndef FRAMEWORK_OSAL_LINUX_BINARYSEMPAHORE_H_
#define FRAMEWORK_OSAL_LINUX_BINARYSEMPAHORE_H_
#include "../../returnvalues/HasReturnvaluesIF.h"
#include "../../tasks/SemaphoreIF.h"
extern "C" {
#include <semaphore.h>
}
/**
* @brief OS Tool to achieve synchronization of between tasks or between
* task and ISR. The default semaphore implementation creates a
* binary semaphore, which can only be taken once.
* @details
* See: http://www.man7.org/linux/man-pages/man7/sem_overview.7.html
* @author R. Mueller
* @ingroup osal
*/
class BinarySemaphore: public SemaphoreIF,
public HasReturnvaluesIF {
public:
static const uint8_t INTERFACE_ID = CLASS_ID::SEMAPHORE_IF;
//! @brief Default ctor
BinarySemaphore();
//! @brief Copy ctor, deleted explicitely.
BinarySemaphore(const BinarySemaphore&) = delete;
//! @brief Copy assignment, deleted explicitely.
BinarySemaphore& operator=(const BinarySemaphore&) = delete;
//! @brief Move ctor
BinarySemaphore (BinarySemaphore &&);
//! @brief Move assignment
BinarySemaphore & operator=(BinarySemaphore &&);
//! @brief Destructor
virtual ~BinarySemaphore();
void initSemaphore(uint8_t initCount = 1);
uint8_t getSemaphoreCounter() const override;
static uint8_t getSemaphoreCounter(sem_t* handle);
/**
* Take the binary semaphore.
* If the semaphore has already been taken, the task will be blocked
* for a maximum of #timeoutMs or until the semaphore is given back,
* for example by an ISR or another task.
* @param timeoutMs
* @return -@c RETURN_OK on success
* -@c SemaphoreIF::SEMAPHORE_TIMEOUT on timeout
*/
ReturnValue_t acquire(TimeoutType timeoutType = TimeoutType::BLOCKING,
uint32_t timeoutMs = 0) override;
/**
* Release the binary semaphore.
* @return -@c RETURN_OK on success
* -@c SemaphoreIF::SEMAPHORE_NOT_OWNED if the semaphores is
* already available.
*/
virtual ReturnValue_t release() override;
/**
* This static function can be used to release a semaphore by providing
* its handle.
* @param handle
* @return
*/
static ReturnValue_t release(sem_t* handle);
/** Checks the validity of the semaphore count against a specified
* known maxCount
* @param handle
* @param maxCount
* @return
*/
static ReturnValue_t checkCount(sem_t* handle, uint8_t maxCount);
protected:
sem_t handle;
};
#endif /* FRAMEWORK_OSAL_FREERTOS_BINARYSEMPAHORE_H_ */

21
osal/linux/Clock.cpp
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@ -1,10 +1,10 @@
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "../../timemanager/Clock.h"
#include <sys/time.h>
#include <time.h>
#include <framework/timemanager/Clock.h>
#include <sys/sysinfo.h>
#include <linux/sysinfo.h>
#include <time.h>
#include <unistd.h>
//#include <fstream>
@ -65,6 +65,15 @@ ReturnValue_t Clock::getClock_usecs(uint64_t* time) {
return HasReturnvaluesIF::RETURN_OK;
}
timeval Clock::getUptime() {
timeval uptime;
auto result = getUptime(&uptime);
if(result != HasReturnvaluesIF::RETURN_OK) {
sif::error << "Clock::getUptime: Error getting uptime" << std::endl;
}
return uptime;
}
ReturnValue_t Clock::getUptime(timeval* uptime) {
//TODO This is not posix compatible and delivers only seconds precision
struct sysinfo sysInfo;
@ -170,7 +179,7 @@ ReturnValue_t Clock::setLeapSeconds(const uint16_t leapSeconds_) {
if(checkOrCreateClockMutex()!=HasReturnvaluesIF::RETURN_OK){
return HasReturnvaluesIF::RETURN_FAILED;
}
ReturnValue_t result = timeMutex->lockMutex(MutexIF::NO_TIMEOUT);
ReturnValue_t result = timeMutex->lockMutex(MutexIF::BLOCKING);
if (result != HasReturnvaluesIF::RETURN_OK) {
return result;
}
@ -185,7 +194,7 @@ ReturnValue_t Clock::getLeapSeconds(uint16_t* leapSeconds_) {
if(timeMutex==NULL){
return HasReturnvaluesIF::RETURN_FAILED;
}
ReturnValue_t result = timeMutex->lockMutex(MutexIF::NO_TIMEOUT);
ReturnValue_t result = timeMutex->lockMutex(MutexIF::BLOCKING);
if (result != HasReturnvaluesIF::RETURN_OK) {
return result;
}

54
osal/linux/CountingSemaphore.cpp Normal file
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@ -0,0 +1,54 @@
#include "../../osal/linux/CountingSemaphore.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
CountingSemaphore::CountingSemaphore(const uint8_t maxCount, uint8_t initCount):
maxCount(maxCount), initCount(initCount) {
if(initCount > maxCount) {
sif::error << "CountingSemaphoreUsingTask: Max count bigger than "
"intial cout. Setting initial count to max count." << std::endl;
initCount = maxCount;
}
initSemaphore(initCount);
}
CountingSemaphore::CountingSemaphore(CountingSemaphore&& other):
maxCount(other.maxCount), initCount(other.initCount) {
initSemaphore(initCount);
}
CountingSemaphore& CountingSemaphore::operator =(
CountingSemaphore&& other) {
initSemaphore(other.initCount);
return * this;
}
ReturnValue_t CountingSemaphore::release() {
ReturnValue_t result = checkCount(&handle, maxCount);
if(result != HasReturnvaluesIF::RETURN_OK) {
return result;
}
return CountingSemaphore::release(&this->handle);
}
ReturnValue_t CountingSemaphore::release(sem_t* handle) {
int result = sem_post(handle);
if(result == 0) {
return HasReturnvaluesIF::RETURN_OK;
}
switch(errno) {
case(EINVAL):
// Semaphore invalid
return SemaphoreIF::SEMAPHORE_INVALID;
case(EOVERFLOW):
// SEM_MAX_VALUE overflow. This should never happen
default:
return HasReturnvaluesIF::RETURN_FAILED;
}
}
uint8_t CountingSemaphore::getMaxCount() const {
return maxCount;
}

37
osal/linux/CountingSemaphore.h Normal file
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@ -0,0 +1,37 @@
#ifndef FRAMEWORK_OSAL_LINUX_COUNTINGSEMAPHORE_H_
#define FRAMEWORK_OSAL_LINUX_COUNTINGSEMAPHORE_H_
#include "../../osal/linux/BinarySemaphore.h"
/**
* @brief Counting semaphores, which can be acquired more than once.
* @details
* See: https://www.freertos.org/CreateCounting.html
* API of counting semaphores is almost identical to binary semaphores,
* so we just inherit from binary semaphore and provide the respective
* constructors.
*/
class CountingSemaphore: public BinarySemaphore {
public:
CountingSemaphore(const uint8_t maxCount, uint8_t initCount);
//! @brief Copy ctor, disabled
CountingSemaphore(const CountingSemaphore&) = delete;
//! @brief Copy assignment, disabled
CountingSemaphore& operator=(const CountingSemaphore&) = delete;
//! @brief Move ctor
CountingSemaphore (CountingSemaphore &&);
//! @brief Move assignment
CountingSemaphore & operator=(CountingSemaphore &&);
ReturnValue_t release() override;
static ReturnValue_t release(sem_t* sem);
/* Same API as binary semaphore otherwise. acquire() can be called
* until there are not semaphores left and release() can be called
* until maxCount is reached. */
uint8_t getMaxCount() const;
private:
const uint8_t maxCount;
uint8_t initCount = 0;
};
#endif /* FRAMEWORK_OSAL_FREERTOS_COUNTINGSEMAPHORE_H_ */

4
osal/linux/FixedTimeslotTask.cpp
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@ -1,5 +1,5 @@
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include <framework/osal/linux/FixedTimeslotTask.h>
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "FixedTimeslotTask.h"
#include <limits.h>

6
osal/linux/FixedTimeslotTask.h
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@ -1,9 +1,9 @@
#ifndef FRAMEWORK_OSAL_LINUX_FIXEDTIMESLOTTASK_H_
#define FRAMEWORK_OSAL_LINUX_FIXEDTIMESLOTTASK_H_
#include <framework/tasks/FixedTimeslotTaskIF.h>
#include <framework/devicehandlers/FixedSlotSequence.h>
#include <framework/osal/linux/PosixThread.h>
#include "../../tasks/FixedTimeslotTaskIF.h"
#include "../../devicehandlers/FixedSlotSequence.h"
#include "PosixThread.h"
#include <pthread.h>
class FixedTimeslotTask: public FixedTimeslotTaskIF, public PosixThread {

2
osal/linux/InternalErrorCodes.cpp
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@ -1,4 +1,4 @@
#include <framework/osal/InternalErrorCodes.h>
#include "../../osal/InternalErrorCodes.h"
ReturnValue_t InternalErrorCodes::translate(uint8_t code) {
//TODO This class can be removed

4
osal/linux/MessageQueue.cpp
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@ -1,5 +1,5 @@
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include <framework/osal/linux/MessageQueue.h>
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "MessageQueue.h"
#include <fstream>

6
osal/linux/MessageQueue.h
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@ -1,9 +1,9 @@
#ifndef MESSAGEQUEUE_H_
#define MESSAGEQUEUE_H_
#include <framework/internalError/InternalErrorReporterIF.h>
#include <framework/ipc/MessageQueueIF.h>
#include <framework/ipc/MessageQueueMessage.h>
#include "../../internalError/InternalErrorReporterIF.h"
#include "../../ipc/MessageQueueIF.h"
#include "../../ipc/MessageQueueMessage.h"
#include <mqueue.h>
/**

43
osal/linux/Mutex.cpp
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@ -1,8 +1,7 @@
#include <framework/osal/linux/Mutex.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include <framework/timemanager/Clock.h>
#include "Mutex.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "../../timemanager/Clock.h"
const uint32_t MutexIF::NO_TIMEOUT = 0;
uint8_t Mutex::count = 0;
@ -25,7 +24,9 @@ Mutex::Mutex() {
sif::error << "Mutex: creation with name, id " << mutex.__data.__count
<< ", " << " failed with " << strerror(status) << std::endl;
}
//After a mutex attributes object has been used to initialize one or more mutexes, any function affecting the attributes object (including destruction) shall not affect any previously initialized mutexes.
// After a mutex attributes object has been used to initialize one or more
// mutexes, any function affecting the attributes object
// (including destruction) shall not affect any previously initialized mutexes.
status = pthread_mutexattr_destroy(&mutexAttr);
if (status != 0) {
sif::error << "Mutex: Attribute destroy failed with " << strerror(status) << std::endl;
@ -37,9 +38,13 @@ Mutex::~Mutex() {
pthread_mutex_destroy(&mutex);
}
ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
ReturnValue_t Mutex::lockMutex(TimeoutType timeoutType, uint32_t timeoutMs) {
int status = 0;
if (timeoutMs != MutexIF::NO_TIMEOUT) {
if(timeoutType == TimeoutType::POLLING) {
status = pthread_mutex_trylock(&mutex);
}
else if (timeoutType == TimeoutType::WAITING) {
timespec timeOut;
clock_gettime(CLOCK_REALTIME, &timeOut);
uint64_t nseconds = timeOut.tv_sec * 1000000000 + timeOut.tv_nsec;
@ -47,27 +52,35 @@ ReturnValue_t Mutex::lockMutex(uint32_t timeoutMs) {
timeOut.tv_sec = nseconds / 1000000000;
timeOut.tv_nsec = nseconds - timeOut.tv_sec * 1000000000;
status = pthread_mutex_timedlock(&mutex, &timeOut);
} else {
}
else if(timeoutType == TimeoutType::BLOCKING) {
status = pthread_mutex_lock(&mutex);
}
switch (status) {
case EINVAL:
//The mutex was created with the protocol attribute having the value PTHREAD_PRIO_PROTECT and the calling thread's priority is higher than the mutex's current priority ceiling.
// The mutex was created with the protocol attribute having the value
// PTHREAD_PRIO_PROTECT and the calling thread's priority is higher
// than the mutex's current priority ceiling.
return WRONG_ATTRIBUTE_SETTING;
//The process or thread would have blocked, and the abs_timeout parameter specified a nanoseconds field value less than zero or greater than or equal to 1000 million.
//The value specified by mutex does not refer to an initialized mutex object.
// The process or thread would have blocked, and the abs_timeout
// parameter specified a nanoseconds field value less than zero or
// greater than or equal to 1000 million.
// The value specified by mutex does not refer to an initialized mutex object.
//return MUTEX_NOT_FOUND;
case EBUSY:
//The mutex could not be acquired because it was already locked.
// The mutex could not be acquired because it was already locked.
return MUTEX_ALREADY_LOCKED;
case ETIMEDOUT:
//The mutex could not be locked before the specified timeout expired.
// The mutex could not be locked before the specified timeout expired.
return MUTEX_TIMEOUT;
case EAGAIN:
//The mutex could not be acquired because the maximum number of recursive locks for mutex has been exceeded.
// The mutex could not be acquired because the maximum number of
// recursive locks for mutex has been exceeded.
return MUTEX_MAX_LOCKS;
case EDEADLK:
//A deadlock condition was detected or the current thread already owns the mutex.
// A deadlock condition was detected or the current thread
// already owns the mutex.
return CURR_THREAD_ALREADY_OWNS_MUTEX;
case 0:
//Success

9
osal/linux/Mutex.h
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@ -1,14 +1,15 @@
#ifndef OS_RTEMS_MUTEX_H_
#define OS_RTEMS_MUTEX_H_
#ifndef OS_LINUX_MUTEX_H_
#define OS_LINUX_MUTEX_H_
#include <framework/ipc/MutexIF.h>
#include "../../ipc/MutexIF.h"
#include <pthread.h>
class Mutex : public MutexIF {
public:
Mutex();
virtual ~Mutex();
virtual ReturnValue_t lockMutex(uint32_t timeoutMs);
virtual ReturnValue_t lockMutex(TimeoutType timeoutType, uint32_t timeoutMs);
virtual ReturnValue_t unlockMutex();
private:
pthread_mutex_t mutex;

4
osal/linux/MutexFactory.cpp
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@ -1,5 +1,5 @@
#include <framework/ipc/MutexFactory.h>
#include <framework/osal/linux/Mutex.h>
#include "../../ipc/MutexFactory.h"
#include "Mutex.h"
//TODO: Different variant than the lazy loading in QueueFactory. What's better and why?
MutexFactory* MutexFactory::factoryInstance = new MutexFactory();

44
osal/linux/PeriodicPosixTask.cpp
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@ -1,12 +1,12 @@
#include <framework/tasks/ExecutableObjectIF.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include "../../tasks/ExecutableObjectIF.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include <errno.h>
#include <framework/osal/linux/PeriodicPosixTask.h>
#include "PeriodicPosixTask.h"
PeriodicPosixTask::PeriodicPosixTask(const char* name_, int priority_,
size_t stackSize_, uint32_t period_, void(deadlineMissedFunc_)()):
PosixThread(name_,priority_,stackSize_),objectList(),started(false),
periodMs(period_),deadlineMissedFunc(deadlineMissedFunc_) {
PosixThread(name_, priority_, stackSize_), objectList(), started(false),
periodMs(period_), deadlineMissedFunc(deadlineMissedFunc_) {
}
PeriodicPosixTask::~PeriodicPosixTask() {
@ -24,10 +24,14 @@ void* PeriodicPosixTask::taskEntryPoint(void* arg) {
ReturnValue_t PeriodicPosixTask::addComponent(object_id_t object) {
ExecutableObjectIF* newObject = objectManager->get<ExecutableObjectIF>(
object);
if (newObject == NULL) {
if (newObject == nullptr) {
sif::error << "PeriodicTask::addComponent: Invalid object. Make sure"
<< " it implements ExecutableObjectIF!" << std::endl;
return HasReturnvaluesIF::RETURN_FAILED;
}
objectList.push_back(newObject);
newObject->setTaskIF(this);
return HasReturnvaluesIF::RETURN_OK;
}
@ -36,35 +40,41 @@ ReturnValue_t PeriodicPosixTask::sleepFor(uint32_t ms) {
}
ReturnValue_t PeriodicPosixTask::startTask(void){
ReturnValue_t PeriodicPosixTask::startTask(void) {
started = true;
//sif::info << stackSize << std::endl;
PosixThread::createTask(&taskEntryPoint,this);
return HasReturnvaluesIF::RETURN_OK;
}
void PeriodicPosixTask::taskFunctionality(void){
if(!started){
void PeriodicPosixTask::taskFunctionality(void) {
if(not started) {
suspend();
}
for (auto const &object: objectList) {
object->initializeAfterTaskCreation();
}
uint64_t lastWakeTime = getCurrentMonotonicTimeMs();
//The task's "infinite" inner loop is entered.
while (1) {
for (ObjectList::iterator it = objectList.begin();
it != objectList.end(); ++it) {
(*it)->performOperation();
for (auto const &object: objectList) {
object->performOperation();
}
if(!PosixThread::delayUntil(&lastWakeTime,periodMs)){
if(not PosixThread::delayUntil(&lastWakeTime, periodMs)){
char name[20] = {0};
int status = pthread_getname_np(pthread_self(),name,sizeof(name));
if(status==0){
int status = pthread_getname_np(pthread_self(), name, sizeof(name));
if(status == 0) {
sif::error << "PeriodicPosixTask " << name << ": Deadline "
"missed." << std::endl;
}else{
}
else {
sif::error << "PeriodicPosixTask X: Deadline missed. " <<
status << std::endl;
}
if (this->deadlineMissedFunc != NULL) {
if (this->deadlineMissedFunc != nullptr) {
this->deadlineMissedFunc();
}
}

16
osal/linux/PeriodicPosixTask.h
View File

@ -1,10 +1,10 @@
#ifndef FRAMEWORK_OSAL_LINUX_PERIODICPOSIXTASK_H_
#define FRAMEWORK_OSAL_LINUX_PERIODICPOSIXTASK_H_
#include <framework/tasks/PeriodicTaskIF.h>
#include <framework/objectmanager/ObjectManagerIF.h>
#include <framework/osal/linux/PosixThread.h>
#include <framework/tasks/ExecutableObjectIF.h>
#include "../../tasks/PeriodicTaskIF.h"
#include "../../objectmanager/ObjectManagerIF.h"
#include "PosixThread.h"
#include "../../tasks/ExecutableObjectIF.h"
#include <vector>
class PeriodicPosixTask: public PosixThread, public PeriodicTaskIF {
@ -32,18 +32,18 @@ public:
* The address of the task object is passed as an argument
* to the system call.
*/
ReturnValue_t startTask(void);
ReturnValue_t startTask() override;
/**
* Adds an object to the list of objects to be executed.
* The objects are executed in the order added.
* @param object Id of the object to add.
* @return RETURN_OK on success, RETURN_FAILED if the object could not be added.
*/
ReturnValue_t addComponent(object_id_t object);
ReturnValue_t addComponent(object_id_t object) override;
uint32_t getPeriodMs() const;
uint32_t getPeriodMs() const override;
ReturnValue_t sleepFor(uint32_t ms);
ReturnValue_t sleepFor(uint32_t ms) override;
private:
typedef std::vector<ExecutableObjectIF*> ObjectList; //!< Typedef for the List of objects.

4
osal/linux/PosixThread.cpp
View File

@ -1,5 +1,5 @@
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include <framework/osal/linux/PosixThread.h>
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "PosixThread.h"
#include <cstring>
#include <errno.h>

2
osal/linux/PosixThread.h
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@ -1,7 +1,7 @@
#ifndef FRAMEWORK_OSAL_LINUX_POSIXTHREAD_H_
#define FRAMEWORK_OSAL_LINUX_POSIXTHREAD_H_
#include <framework/returnvalues/HasReturnvaluesIF.h>
#include "../../returnvalues/HasReturnvaluesIF.h"
#include <pthread.h>
#include <signal.h>
#include <cstdlib>

6
osal/linux/QueueFactory.cpp
View File

@ -1,8 +1,8 @@
#include <framework/ipc/QueueFactory.h>
#include "../../ipc/QueueFactory.h"
#include <mqueue.h>
#include <errno.h>
#include <framework/osal/linux/MessageQueue.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include "MessageQueue.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include <cstring>
QueueFactory* QueueFactory::factoryInstance = nullptr;

33
osal/linux/SemaphoreFactory.cpp Normal file
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@ -0,0 +1,33 @@
#include "../../tasks/SemaphoreFactory.h"
#include "BinarySemaphore.h"
#include "CountingSemaphore.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
SemaphoreFactory* SemaphoreFactory::factoryInstance = nullptr;
SemaphoreFactory::SemaphoreFactory() {
}
SemaphoreFactory::~SemaphoreFactory() {
delete factoryInstance;
}
SemaphoreFactory* SemaphoreFactory::instance() {
if (factoryInstance == nullptr){
factoryInstance = new SemaphoreFactory();
}
return SemaphoreFactory::factoryInstance;
}
SemaphoreIF* SemaphoreFactory::createBinarySemaphore(uint32_t arguments) {
return new BinarySemaphore();
}
SemaphoreIF* SemaphoreFactory::createCountingSemaphore(const uint8_t maxCount,
uint8_t initCount, uint32_t arguments) {
return new CountingSemaphore(maxCount, initCount);
}
void SemaphoreFactory::deleteSemaphore(SemaphoreIF* semaphore) {
delete semaphore;
}

8
osal/linux/TaskFactory.cpp
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@ -1,7 +1,7 @@
#include <framework/osal/linux/FixedTimeslotTask.h>
#include <framework/osal/linux/PeriodicPosixTask.h>
#include <framework/tasks/TaskFactory.h>
#include <framework/returnvalues/HasReturnvaluesIF.h>
#include "FixedTimeslotTask.h"
#include "PeriodicPosixTask.h"
#include "../../tasks/TaskFactory.h"
#include "../../returnvalues/HasReturnvaluesIF.h"
//TODO: Different variant than the lazy loading in QueueFactory. What's better and why?
TaskFactory* TaskFactory::factoryInstance = new TaskFactory();

138
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#include "TcUnixUdpPollingTask.h"
#include "../../globalfunctions/arrayprinter.h"
TcUnixUdpPollingTask::TcUnixUdpPollingTask(object_id_t objectId,
object_id_t tmtcUnixUdpBridge, size_t frameSize,
double timeoutSeconds): SystemObject(objectId),
tmtcBridgeId(tmtcUnixUdpBridge) {
if(frameSize > 0) {
this->frameSize = frameSize;
}
else {
this->frameSize = DEFAULT_MAX_FRAME_SIZE;
}
// Set up reception buffer with specified frame size.
// For now, it is assumed that only one frame is held in the buffer!
receptionBuffer.reserve(this->frameSize);
receptionBuffer.resize(this->frameSize);
if(timeoutSeconds == -1) {
receptionTimeout = DEFAULT_TIMEOUT;
}
else {
receptionTimeout = timevalOperations::toTimeval(timeoutSeconds);
}
}
TcUnixUdpPollingTask::~TcUnixUdpPollingTask() {}
ReturnValue_t TcUnixUdpPollingTask::performOperation(uint8_t opCode) {
// Poll for new UDP datagrams in permanent loop.
while(1) {
//! Sender Address is cached here.
struct sockaddr_in senderAddress;
socklen_t senderSockLen = 0;
ssize_t bytesReceived = recvfrom(serverUdpSocket,
receptionBuffer.data(), frameSize, receptionFlags,
reinterpret_cast<sockaddr*>(&senderAddress), &senderSockLen);
if(bytesReceived < 0) {
// handle error
sif::error << "TcSocketPollingTask::performOperation: Reception"
"error." << std::endl;
handleReadError();
continue;
}
// sif::debug << "TcSocketPollingTask::performOperation: " << bytesReceived
// << " bytes received" << std::endl;
ReturnValue_t result = handleSuccessfullTcRead(bytesReceived);
if(result != HasReturnvaluesIF::RETURN_FAILED) {
}
tmtcBridge->registerCommConnect();
tmtcBridge->checkAndSetClientAddress(senderAddress);
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TcUnixUdpPollingTask::handleSuccessfullTcRead(size_t bytesRead) {
store_address_t storeId;
ReturnValue_t result = tcStore->addData(&storeId,
receptionBuffer.data(), bytesRead);
// arrayprinter::print(receptionBuffer.data(), bytesRead);
if (result != HasReturnvaluesIF::RETURN_OK) {
sif::error << "TcSerialPollingTask::transferPusToSoftwareBus: Data "
"storage failed" << std::endl;
sif::error << "Packet size: " << bytesRead << std::endl;
return HasReturnvaluesIF::RETURN_FAILED;
}
TmTcMessage message(storeId);
result = MessageQueueSenderIF::sendMessage(targetTcDestination, &message);
if (result != HasReturnvaluesIF::RETURN_OK) {
sif::error << "Serial Polling: Sending message to queue failed"
<< std::endl;
tcStore->deleteData(storeId);
}
return result;
}
ReturnValue_t TcUnixUdpPollingTask::initialize() {
tcStore = objectManager->get<StorageManagerIF>(objects::TC_STORE);
if (tcStore == nullptr) {
sif::error << "TcSerialPollingTask::initialize: TC Store uninitialized!"
<< std::endl;
return ObjectManagerIF::CHILD_INIT_FAILED;
}
tmtcBridge = objectManager->get<TmTcUnixUdpBridge>(tmtcBridgeId);
if(tmtcBridge == nullptr) {
sif::error << "TcSocketPollingTask::TcSocketPollingTask: Invalid"
" TMTC bridge object!" << std::endl;
return ObjectManagerIF::CHILD_INIT_FAILED;
}
serverUdpSocket = tmtcBridge->serverSocket;
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TcUnixUdpPollingTask::initializeAfterTaskCreation() {
// Initialize the destination after task creation. This ensures
// that the destination will be set in the TMTC bridge.
targetTcDestination = tmtcBridge->getRequestQueue();
return HasReturnvaluesIF::RETURN_OK;
}
void TcUnixUdpPollingTask::setTimeout(double timeoutSeconds) {
timeval tval;
tval = timevalOperations::toTimeval(timeoutSeconds);
int result = setsockopt(serverUdpSocket, SOL_SOCKET, SO_RCVTIMEO,
&tval, sizeof(receptionTimeout));
if(result == -1) {
sif::error << "TcSocketPollingTask::TcSocketPollingTask: Setting "
"receive timeout failed with " << strerror(errno) << std::endl;
}
}
// TODO: sleep after error detection to prevent spam
void TcUnixUdpPollingTask::handleReadError() {
switch(errno) {
case(EAGAIN): {
// todo: When working in timeout mode, this will occur more often
// and is not an error.
sif::error << "TcUnixUdpPollingTask::handleReadError: Timeout."
<< std::endl;
break;
}
default: {
sif::error << "TcUnixUdpPollingTask::handleReadError: "
<< strerror(errno) << std::endl;
}
}
}

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#ifndef FRAMEWORK_OSAL_LINUX_TCSOCKETPOLLINGTASK_H_
#define FRAMEWORK_OSAL_LINUX_TCSOCKETPOLLINGTASK_H_
#include "../../objectmanager/SystemObject.h"
#include "../../osal/linux/TmTcUnixUdpBridge.h"
#include "../../tasks/ExecutableObjectIF.h"
#include <sys/socket.h>
#include <vector>
/**
* @brief This class can be used to implement the polling of a Unix socket,
* using UDP for now.
* @details
* The task will be blocked while the specified number of bytes has not been
* received, so TC reception is handled inside a separate task.
* This class caches the IP address of the sender. It is assumed there
* is only one sender for now.
*/
class TcUnixUdpPollingTask: public SystemObject,
public ExecutableObjectIF {
friend class TmTcUnixUdpBridge;
public:
static constexpr size_t DEFAULT_MAX_FRAME_SIZE = 2048;
//! 0.5 default milliseconds timeout for now.
static constexpr timeval DEFAULT_TIMEOUT = {.tv_sec = 0, .tv_usec = 500};
TcUnixUdpPollingTask(object_id_t objectId, object_id_t tmtcUnixUdpBridge,
size_t frameSize = 0, double timeoutSeconds = -1);
virtual~ TcUnixUdpPollingTask();
/**
* Turn on optional timeout for UDP polling. In the default mode,
* the receive function will block until a packet is received.
* @param timeoutSeconds
*/
void setTimeout(double timeoutSeconds);
virtual ReturnValue_t performOperation(uint8_t opCode) override;
virtual ReturnValue_t initialize() override;
virtual ReturnValue_t initializeAfterTaskCreation() override;
protected:
StorageManagerIF* tcStore = nullptr;
private:
//! TMTC bridge is cached.
object_id_t tmtcBridgeId = objects::NO_OBJECT;
TmTcUnixUdpBridge* tmtcBridge = nullptr;
MessageQueueId_t targetTcDestination = MessageQueueIF::NO_QUEUE;
//! Reception flags: https://linux.die.net/man/2/recvfrom.
int receptionFlags = 0;
//! Server socket, which is member of TMTC bridge and is assigned in
//! constructor
int serverUdpSocket = 0;
std::vector<uint8_t> receptionBuffer;
size_t frameSize = 0;
timeval receptionTimeout;
ReturnValue_t handleSuccessfullTcRead(size_t bytesRead);
void handleReadError();
};
#endif /* FRAMEWORK_OSAL_LINUX_TCSOCKETPOLLINGTASK_H_ */

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osal/linux/Timer.cpp
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@ -1,6 +1,6 @@
#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include <errno.h>
#include <framework/osal/linux/Timer.h>
#include "Timer.h"
Timer::Timer() {
sigevent sigEvent;

170
osal/linux/TmTcUnixUdpBridge.cpp Normal file
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#include "TmTcUnixUdpBridge.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include "../../ipc/MutexHelper.h"
#include <errno.h>
#include <arpa/inet.h>
TmTcUnixUdpBridge::TmTcUnixUdpBridge(object_id_t objectId,
object_id_t tcDestination, object_id_t tmStoreId, object_id_t tcStoreId,
uint16_t serverPort, uint16_t clientPort):
TmTcBridge(objectId, tcDestination, tmStoreId, tcStoreId) {
mutex = MutexFactory::instance()->createMutex();
uint16_t setServerPort = DEFAULT_UDP_SERVER_PORT;
if(serverPort != 0xFFFF) {
setServerPort = serverPort;
}
uint16_t setClientPort = DEFAULT_UDP_CLIENT_PORT;
if(clientPort != 0xFFFF) {
setClientPort = clientPort;
}
// Set up UDP socket: https://man7.org/linux/man-pages/man7/ip.7.html
//clientSocket = socket(AF_INET, SOCK_DGRAM, 0);
serverSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if(serverSocket < 0) {
sif::error << "TmTcUnixUdpBridge::TmTcUnixUdpBridge: Could not open"
" UDP socket!" << std::endl;
handleSocketError();
return;
}
serverAddress.sin_family = AF_INET;
// Accept packets from any interface.
//serverAddress.sin_addr.s_addr = inet_addr("127.73.73.0");
serverAddress.sin_addr.s_addr = htonl(INADDR_ANY);
serverAddress.sin_port = htons(setServerPort);
serverAddressLen = sizeof(serverAddress);
setsockopt(serverSocket, SOL_SOCKET, SO_REUSEADDR, &serverSocketOptions,
sizeof(serverSocketOptions));
clientAddress.sin_family = AF_INET;
clientAddress.sin_addr.s_addr = htonl(INADDR_ANY);
clientAddress.sin_port = htons(setClientPort);
clientAddressLen = sizeof(clientAddress);
int result = bind(serverSocket,
reinterpret_cast<struct sockaddr*>(&serverAddress),
serverAddressLen);
if(result == -1) {
sif::error << "TmTcUnixUdpBridge::TmTcUnixUdpBridge: Could not bind "
"local port " << setServerPort << " to server socket!"
<< std::endl;
handleBindError();
return;
}
}
TmTcUnixUdpBridge::~TmTcUnixUdpBridge() {
}
ReturnValue_t TmTcUnixUdpBridge::sendTm(const uint8_t *data, size_t dataLen) {
int flags = 0;
clientAddress.sin_addr.s_addr = htons(INADDR_ANY);
//clientAddress.sin_addr.s_addr = inet_addr("127.73.73.1");
clientAddressLen = sizeof(serverAddress);
// char ipAddress [15];
// sif::debug << "IP Address Sender: "<< inet_ntop(AF_INET,
// &clientAddress.sin_addr.s_addr, ipAddress, 15) << std::endl;
ssize_t bytesSent = sendto(serverSocket, data, dataLen, flags,
reinterpret_cast<sockaddr*>(&clientAddress), clientAddressLen);
if(bytesSent < 0) {
sif::error << "TmTcUnixUdpBridge::sendTm: Send operation failed."
<< std::endl;
handleSendError();
}
// sif::debug << "TmTcUnixUdpBridge::sendTm: " << bytesSent << " bytes were"
// " sent." << std::endl;
return HasReturnvaluesIF::RETURN_OK;
}
void TmTcUnixUdpBridge::checkAndSetClientAddress(sockaddr_in newAddress) {
MutexHelper lock(mutex, MutexIF::TimeoutType::WAITING, 10);
// char ipAddress [15];
// sif::debug << "IP Address Sender: "<< inet_ntop(AF_INET,
// &newAddress.sin_addr.s_addr, ipAddress, 15) << std::endl;
// sif::debug << "IP Address Old: " << inet_ntop(AF_INET,
// &clientAddress.sin_addr.s_addr, ipAddress, 15) << std::endl;
// Set new IP address if it has changed.
if(clientAddress.sin_addr.s_addr != newAddress.sin_addr.s_addr) {
clientAddress.sin_addr.s_addr = newAddress.sin_addr.s_addr;
clientAddressLen = sizeof(clientAddress);
}
}
void TmTcUnixUdpBridge::handleSocketError() {
// See: https://man7.org/linux/man-pages/man2/socket.2.html
switch(errno) {
case(EACCES):
case(EINVAL):
case(EMFILE):
case(ENFILE):
case(EAFNOSUPPORT):
case(ENOBUFS):
case(ENOMEM):
case(EPROTONOSUPPORT):
sif::error << "TmTcUnixBridge::handleSocketError: Socket creation failed"
<< " with " << strerror(errno) << std::endl;
break;
default:
sif::error << "TmTcUnixBridge::handleSocketError: Unknown error"
<< std::endl;
break;
}
}
void TmTcUnixUdpBridge::handleBindError() {
// See: https://man7.org/linux/man-pages/man2/bind.2.html
switch(errno) {
case(EACCES): {
/*
Ephermeral ports can be shown with following command:
sysctl -A | grep ip_local_port_range
*/
sif::error << "TmTcUnixBridge::handleBindError: Port access issue."
"Ports 1-1024 are reserved on UNIX systems and require root "
"rights while ephermeral ports should not be used as well."
<< std::endl;
}
break;
case(EADDRINUSE):
case(EBADF):
case(EINVAL):
case(ENOTSOCK):
case(EADDRNOTAVAIL):
case(EFAULT):
case(ELOOP):
case(ENAMETOOLONG):
case(ENOENT):
case(ENOMEM):
case(ENOTDIR):
case(EROFS): {
sif::error << "TmTcUnixBridge::handleBindError: Socket creation failed"
<< " with " << strerror(errno) << std::endl;
break;
}
default:
sif::error << "TmTcUnixBridge::handleBindError: Unknown error"
<< std::endl;
break;
}
}
void TmTcUnixUdpBridge::handleSendError() {
switch(errno) {
default:
sif::error << "TmTcUnixBridge::handleSendError: "
<< strerror(errno) << std::endl;
}
}

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#ifndef FRAMEWORK_OSAL_LINUX_TMTCUNIXUDPBRIDGE_H_
#define FRAMEWORK_OSAL_LINUX_TMTCUNIXUDPBRIDGE_H_
#include "../../tmtcservices/AcceptsTelecommandsIF.h"
#include "../../tmtcservices/TmTcBridge.h"
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/udp.h>
class TmTcUnixUdpBridge: public TmTcBridge {
friend class TcUnixUdpPollingTask;
public:
// The ports chosen here should not be used by any other process.
// List of used ports on Linux: /etc/services
static constexpr uint16_t DEFAULT_UDP_SERVER_PORT = 7301;
static constexpr uint16_t DEFAULT_UDP_CLIENT_PORT = 7302;
TmTcUnixUdpBridge(object_id_t objectId, object_id_t tcDestination,
object_id_t tmStoreId, object_id_t tcStoreId,
uint16_t serverPort = 0xFFFF,uint16_t clientPort = 0xFFFF);
virtual~ TmTcUnixUdpBridge();
void checkAndSetClientAddress(sockaddr_in clientAddress);
protected:
virtual ReturnValue_t sendTm(const uint8_t * data, size_t dataLen) override;
private:
int serverSocket = 0;
const int serverSocketOptions = 0;
struct sockaddr_in clientAddress;
socklen_t clientAddressLen = 0;
struct sockaddr_in serverAddress;
socklen_t serverAddressLen = 0;
//! Access to the client address is mutex protected as it is set
//! by another task.
MutexIF* mutex;
void handleSocketError();
void handleBindError();
void handleSendError();
};
#endif /* FRAMEWORK_OSAL_LINUX_TMTCUNIXUDPBRIDGE_H_ */