fsfw/src/fsfw/osal/common/UdpTcPollingTask.h

60 lines
1.9 KiB
C++

#ifndef FSFW_OSAL_COMMON_UDPTCPOLLINGTASK_H_
#define FSFW_OSAL_COMMON_UDPTCPOLLINGTASK_H_
#include <vector>
#include "../../objectmanager/SystemObject.h"
#include "../../storagemanager/StorageManagerIF.h"
#include "../../tasks/ExecutableObjectIF.h"
#include "UdpTmTcBridge.h"
/**
* @brief This class can be used with the UdpTmTcBridge to implement a UDP server
* for receiving and sending PUS TMTC.
* @details
* This task is exclusively used to poll telecommands from a given socket and transfer them
* to the FSFW software bus. It used the blocking recvfrom call to do this.
*/
class UdpTcPollingTask : public TcpIpBase, public SystemObject, public ExecutableObjectIF {
friend class TmTcWinUdpBridge;
public:
static constexpr size_t DEFAULT_MAX_RECV_SIZE = 1500;
//! 0.5 default milliseconds timeout for now.
static const timeval DEFAULT_TIMEOUT;
UdpTcPollingTask(object_id_t objectId, object_id_t tmtcUdpBridge, size_t maxRecvSize = 0,
double timeoutSeconds = -1);
~UdpTcPollingTask() override = default;
/**
* 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);
[[noreturn]] ReturnValue_t performOperation(uint8_t opCode) override;
ReturnValue_t initialize() override;
ReturnValue_t initializeAfterTaskCreation() override;
protected:
StorageManagerIF* tcStore = nullptr;
private:
//! TMTC bridge is cached.
object_id_t tmtcBridgeId = objects::NO_OBJECT;
UdpTmTcBridge* tmtcBridge = nullptr;
MessageQueueId_t targetTcDestination = MessageQueueIF::NO_QUEUE;
int receptionFlags = 0;
std::vector<uint8_t> receptionBuffer;
size_t frameSize = 0;
timeval receptionTimeout{};
ReturnValue_t handleSuccessfullTcRead(size_t bytesRead);
};
#endif /* FSFW_OSAL_COMMON_UDPTCPOLLINGTASK_H_ */