100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
#include "fsfw/pus/Service9TimeManagement.h"
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#include <cmath>
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#include "fsfw/events/EventManagerIF.h"
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#include "fsfw/pus/servicepackets/Service9Packets.h"
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#include "fsfw/serialize/SerializeAdapter.h"
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#include "fsfw/serviceinterface/ServiceInterface.h"
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#include "fsfw/timemanager/CCSDSTime.h"
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Service9TimeManagement::Service9TimeManagement(PsbParams params) : PusServiceBase(params) {
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params.name = "PUS 9 Time MGMT";
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}
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Service9TimeManagement::~Service9TimeManagement() = default;
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ReturnValue_t Service9TimeManagement::performService() { return returnvalue::OK; }
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ReturnValue_t Service9TimeManagement::handleRequest(uint8_t subservice) {
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switch (subservice) {
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case Subservice::SET_TIME: {
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return setTime();
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}
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case Subservice::DUMP_TIME: {
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timeval newTime;
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ReturnValue_t result = Clock::getClock_timeval(&newTime);
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if (result != returnvalue::OK) {
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return result;
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}
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triggerEvent(CLOCK_DUMP, newTime.tv_sec, newTime.tv_usec);
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return returnvalue::OK;
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}
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case Subservice::RELATIVE_TIMESHIFT: {
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timeval currentTime;
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ReturnValue_t result = Clock::getClock_timeval(¤tTime);
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if (result != returnvalue::OK) {
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return result;
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}
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if (currentPacket.getUserDataLen() != 8) {
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return AcceptsTelecommandsIF::ILLEGAL_APPLICATION_DATA;
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}
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size_t deserLen = 8;
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int64_t timeshiftNanos = 0;
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result = SerializeAdapter::deSerialize(×hiftNanos, currentPacket.getUserData(),
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&deserLen, SerializeIF::Endianness::NETWORK);
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if (result != returnvalue::OK) {
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return result;
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}
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bool positiveShift = true;
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if (timeshiftNanos < 0) {
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positiveShift = false;
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}
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timeval offset{};
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offset.tv_sec = std::abs(timeshiftNanos) / 1000000000;
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offset.tv_usec = (std::abs(timeshiftNanos) % 1000000000) / 1000;
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timeval newTime;
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if (positiveShift) {
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newTime = currentTime + offset;
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} else {
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newTime = currentTime - offset;
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}
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result = Clock::setClock(&newTime);
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if (result == returnvalue::OK) {
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// Report new time as event.
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triggerEvent(CLOCK_DUMP, newTime.tv_sec, newTime.tv_usec);
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}
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return result;
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}
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default:
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return AcceptsTelecommandsIF::INVALID_SUBSERVICE;
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}
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}
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ReturnValue_t Service9TimeManagement::setTime() {
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Clock::TimeOfDay_t timeToSet;
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TimePacket timePacket(currentPacket.getUserData(), currentPacket.getUserDataLen());
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ReturnValue_t result =
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CCSDSTime::convertFromCcsds(&timeToSet, timePacket.getTime(), timePacket.getTimeSize());
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if (result != returnvalue::OK) {
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triggerEvent(CLOCK_SET_FAILURE, result, 0);
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return result;
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}
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timeval time;
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Clock::getClock_timeval(&time);
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result = Clock::setClock(&timeToSet);
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if (result == returnvalue::OK) {
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timeval newTime;
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Clock::getClock_timeval(&newTime);
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triggerEvent(CLOCK_SET, time.tv_sec, newTime.tv_sec);
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return returnvalue::OK;
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} else {
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triggerEvent(CLOCK_SET_FAILURE, result, 0);
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return returnvalue::FAILED;
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}
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}
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