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Merge pull request 'FSFW Update' (#21) from mueller/unittest-fixes into eive/develop

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Reviewed-on: #21
This commit is contained in:
Jakob Meier 2021-09-29 15:45:39 +02:00
commit 16fb87e02e
16 changed files with 767 additions and 309 deletions
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6
CMakeLists.txt
View File

@ -13,6 +13,10 @@ option(FSFW_ADD_INTERNAL_TESTS "Add internal unit tests" ON)
option(FSFW_ADD_UNITTESTS "Add regular unittests. Requires Catch2" OFF)
option(FSFW_ADD_HAL "Add Hardware Abstraction Layer" ON)
if(FSFW_ADD_UNITTESTS)
option(FSFW_CUSTOM_UNITTEST_RUNNER "Add FSFW custom main runner" ON)
endif()
# Optional sources
option(FSFW_ADD_PUS "Compile with PUS sources" ON)
option(FSFW_ADD_MONITORING "Compile with monitoring components" ON)
@ -186,4 +190,4 @@ target_compile_options(${LIB_FSFW_NAME} PRIVATE
target_link_libraries(${LIB_FSFW_NAME} PRIVATE
${FSFW_ADDITIONAL_LINK_LIBS}
)
)

8
src/fsfw/FSFW.h.in
View File

@ -20,6 +20,14 @@
#define FSFW_TCP_RECV_WIRETAPPING_ENABLED 0
#endif
#ifndef FSFW_USE_PUS_C_TELEMETRY
#define FSFW_USE_PUS_C_TELEMETRY 1
#endif
#ifndef FSFW_USE_PUS_C_TELECOMMANDS
#define FSFW_USE_PUS_C_TELECOMMANDS 1
#endif
// Can be used for low-level debugging of the SPI bus
#ifndef FSFW_HAL_SPI_WIRETAPPING
#define FSFW_HAL_SPI_WIRETAPPING 0

15
src/fsfw/container/SimpleRingBuffer.h
View File

@ -5,8 +5,7 @@
#include <cstddef>
/**
* @brief Circular buffer implementation, useful for buffering
* into data streams.
* @brief Circular buffer implementation, useful for buffering into data streams.
* @details
* Note that the deleteData() has to be called to increment the read pointer.
* This class allocated dynamically, so
@ -20,8 +19,8 @@ public:
* @param size
* @param overwriteOld If the ring buffer is overflowing at a write
* operation, the oldest data will be overwritten.
* @param maxExcessBytes These additional bytes will be allocated in addtion
* to the specified size to accomodate contiguous write operations
* @param maxExcessBytes These additional bytes will be allocated in addition
* to the specified size to accommodate continuous write operations
* with getFreeElement.
*
*/
@ -32,10 +31,10 @@ public:
* @param buffer
* @param size
* @param overwriteOld
* If the ring buffer is overflowing at a write operartion, the oldest data
* If the ring buffer is overflowing at a write operation, the oldest data
* will be overwritten.
* @param maxExcessBytes
* If the buffer can accomodate additional bytes for contigous write
* If the buffer can accommodate additional bytes for contiguous write
* operations with getFreeElement, this is the maximum allowed additional
* size
*/
@ -48,7 +47,7 @@ public:
* Write to circular buffer and increment write pointer by amount.
* @param data
* @param amount
* @return -@c RETURN_OK if write operation was successfull
* @return -@c RETURN_OK if write operation was successful
* -@c RETURN_FAILED if
*/
ReturnValue_t writeData(const uint8_t* data, size_t amount);
@ -108,7 +107,7 @@ public:
* Delete data by incrementing read pointer.
* @param amount
* @param deleteRemaining
* If the amount specified is larger than the remaing size to read and this
* If the amount specified is larger than the remaining size to read and this
* is set to true, the remaining amount will be deleted as well
* @param trueAmount [out]
* If deleteRemaining was set to true, the amount deleted will be assigned

276
src/fsfw/osal/common/TcpTmTcServer.cpp
View File

@ -5,11 +5,13 @@
#include "TcpTmTcBridge.h"
#include "tcpipHelpers.h"
#include "fsfw/tmtcservices/SpacePacketParser.h"
#include "fsfw/tasks/TaskFactory.h"
#include "fsfw/globalfunctions/arrayprinter.h"
#include "fsfw/container/SharedRingBuffer.h"
#include "fsfw/ipc/MessageQueueSenderIF.h"
#include "fsfw/ipc/MutexGuard.h"
#include "fsfw/objectmanager/ObjectManager.h"
#include "fsfw/serviceinterface/ServiceInterface.h"
#include "fsfw/tmtcservices/TmTcMessage.h"
@ -20,19 +22,14 @@
#include <netdb.h>
#endif
#ifndef FSFW_TCP_RECV_WIRETAPPING_ENABLED
#define FSFW_TCP_RECV_WIRETAPPING_ENABLED 0
#endif
const std::string TcpTmTcServer::DEFAULT_SERVER_PORT = tcpip::DEFAULT_SERVER_PORT;
TcpTmTcServer::TcpTmTcServer(object_id_t objectId, object_id_t tmtcTcpBridge,
size_t receptionBufferSize, std::string customTcpServerPort):
SystemObject(objectId), tmtcBridgeId(tmtcTcpBridge),
tcpPort(customTcpServerPort), receptionBuffer(receptionBufferSize) {
if(tcpPort == "") {
tcpPort = DEFAULT_SERVER_PORT;
}
size_t receptionBufferSize, size_t ringBufferSize, std::string customTcpServerPort,
ReceptionModes receptionMode):
SystemObject(objectId), tmtcBridgeId(tmtcTcpBridge), receptionMode(receptionMode),
tcpConfig(customTcpServerPort), receptionBuffer(receptionBufferSize),
ringBuffer(ringBufferSize, true) {
}
ReturnValue_t TcpTmTcServer::initialize() {
@ -43,6 +40,17 @@ ReturnValue_t TcpTmTcServer::initialize() {
return result;
}
switch(receptionMode) {
case(ReceptionModes::SPACE_PACKETS): {
spacePacketParser = new SpacePacketParser(validPacketIds);
if(spacePacketParser == nullptr) {
return HasReturnvaluesIF::RETURN_FAILED;
}
#if defined PLATFORM_UNIX
tcpConfig.tcpFlags |= MSG_DONTWAIT;
#endif
}
}
tcStore = ObjectManager::instance()->get<StorageManagerIF>(objects::TC_STORE);
if (tcStore == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
@ -65,7 +73,7 @@ ReturnValue_t TcpTmTcServer::initialize() {
hints.ai_flags = AI_PASSIVE;
// Listen to all addresses (0.0.0.0) by using AI_PASSIVE in the hint flags
retval = getaddrinfo(nullptr, tcpPort.c_str(), &hints, &addrResult);
retval = getaddrinfo(nullptr, tcpConfig.tcpPort.c_str(), &hints, &addrResult);
if (retval != 0) {
handleError(Protocol::TCP, ErrorSources::GETADDRINFO_CALL);
return HasReturnvaluesIF::RETURN_FAILED;
@ -107,7 +115,7 @@ ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
// Listen for connection requests permanently for lifetime of program
while(true) {
retval = listen(listenerTcpSocket, tcpBacklog);
retval = listen(listenerTcpSocket, tcpConfig.tcpBacklog);
if(retval == SOCKET_ERROR) {
handleError(Protocol::TCP, ErrorSources::LISTEN_CALL, 500);
continue;
@ -125,11 +133,12 @@ ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
handleServerOperation(connSocket);
// Done, shut down connection and go back to listening for client requests
retval = shutdown(connSocket, SHUT_SEND);
retval = shutdown(connSocket, SHUT_BOTH);
if(retval != 0) {
handleError(Protocol::TCP, ErrorSources::SHUTDOWN_CALL);
}
closeSocket(connSocket);
connSocket = 0;
}
return HasReturnvaluesIF::RETURN_OK;
}
@ -146,51 +155,98 @@ ReturnValue_t TcpTmTcServer::initializeAfterTaskCreation() {
return HasReturnvaluesIF::RETURN_OK;
}
void TcpTmTcServer::handleServerOperation(socket_t connSocket) {
int retval = 0;
do {
// Read all telecommands sent by the client
retval = recv(connSocket,
void TcpTmTcServer::handleServerOperation(socket_t& connSocket) {
#if defined PLATFORM_WIN
setSocketNonBlocking(connSocket);
#endif
while (true) {
int retval = recv(
connSocket,
reinterpret_cast<char*>(receptionBuffer.data()),
receptionBuffer.capacity(),
tcpFlags);
if (retval > 0) {
handleTcReception(retval);
tcpConfig.tcpFlags
);
if(retval == 0) {
// Client closed connection
return;
}
else if(retval == 0) {
// Client has finished sending telecommands, send telemetry now
handleTmSending(connSocket);
else if(retval > 0) {
// The ring buffer was configured for overwrite, so the returnvalue does not need to
// be checked for now
ringBuffer.writeData(receptionBuffer.data(), retval);
}
else {
// Should not happen
tcpip::handleError(tcpip::Protocol::TCP, tcpip::ErrorSources::RECV_CALL);
else if(retval < 0) {
int errorValue = getLastSocketError();
#if defined PLATFORM_UNIX
int wouldBlockValue = EAGAIN;
#elif defined PLATFORM_WIN
int wouldBlockValue = WSAEWOULDBLOCK;
#endif
if(errorValue == wouldBlockValue) {
// No data available. Check whether any packets have been read, then send back
// telemetry if available
bool tcAvailable = false;
bool tmSent = false;
size_t availableReadData = ringBuffer.getAvailableReadData();
if(availableReadData > lastRingBufferSize) {
tcAvailable = true;
handleTcRingBufferData(availableReadData);
}
ReturnValue_t result = handleTmSending(connSocket, tmSent);
if(result == CONN_BROKEN) {
return;
}
if(not tcAvailable and not tmSent) {
TaskFactory::delayTask(tcpConfig.tcpLoopDelay);
}
}
else {
tcpip::handleError(tcpip::Protocol::TCP, tcpip::ErrorSources::RECV_CALL, 300);
}
}
} while(retval > 0);
}
}
ReturnValue_t TcpTmTcServer::handleTcReception(size_t bytesRecvd) {
#if FSFW_TCP_RECV_WIRETAPPING_ENABLED == 1
arrayprinter::print(receptionBuffer.data(), bytesRead);
ReturnValue_t TcpTmTcServer::handleTcReception(uint8_t* spacePacket, size_t packetSize) {
if(wiretappingEnabled) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::info << "Received TC:" << std::endl;
#else
sif::printInfo("Received TC:\n");
#endif
arrayprinter::print(spacePacket, packetSize);
}
if(spacePacket == nullptr or packetSize == 0) {
return HasReturnvaluesIF::RETURN_FAILED;
}
store_address_t storeId;
ReturnValue_t result = tcStore->addData(&storeId, receptionBuffer.data(), bytesRecvd);
ReturnValue_t result = tcStore->addData(&storeId, spacePacket, packetSize);
if (result != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning<< "TcpTmTcServer::handleServerOperation: Data storage failed." << std::endl;
sif::warning << "Packet size: " << bytesRecvd << std::endl;
sif::warning << "TcpTmTcServer::handleServerOperation: Data storage with packet size" <<
packetSize << " failed" << std::endl;
#else
sif::printWarning("TcpTmTcServer::handleServerOperation: Data storage with packet size %d "
"failed\n", packetSize);
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
return result;
}
TmTcMessage message(storeId);
result = MessageQueueSenderIF::sendMessage(targetTcDestination, &message);
result = MessageQueueSenderIF::sendMessage(targetTcDestination, &message);
if (result != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "UdpTcPollingTask::handleSuccessfullTcRead: "
sif::warning << "TcpTmTcServer::handleServerOperation: "
" Sending message to queue failed" << std::endl;
#else
sif::printWarning("TcpTmTcServer::handleServerOperation: "
" Sending message to queue failed\n");
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
tcStore->deleteData(storeId);
@ -198,21 +254,26 @@ ReturnValue_t TcpTmTcServer::handleTcReception(size_t bytesRecvd) {
return result;
}
void TcpTmTcServer::setTcpBacklog(uint8_t tcpBacklog) {
this->tcpBacklog = tcpBacklog;
}
std::string TcpTmTcServer::getTcpPort() const {
return tcpPort;
return tcpConfig.tcpPort;
}
ReturnValue_t TcpTmTcServer::handleTmSending(socket_t connSocket) {
void TcpTmTcServer::setSpacePacketParsingOptions(std::vector<uint16_t> validPacketIds) {
this->validPacketIds = validPacketIds;
}
TcpTmTcServer::TcpConfig& TcpTmTcServer::getTcpConfigStruct() {
return tcpConfig;
}
ReturnValue_t TcpTmTcServer::handleTmSending(socket_t connSocket, bool& tmSent) {
// Access to the FIFO is mutex protected because it is filled by the bridge
MutexGuard(tmtcBridge->mutex, tmtcBridge->timeoutType, tmtcBridge->mutexTimeoutMs);
store_address_t storeId;
while((not tmtcBridge->tmFifo->empty()) and
(tmtcBridge->packetSentCounter < tmtcBridge->sentPacketsPerCycle)) {
tmtcBridge->tmFifo->retrieve(&storeId);
// Send can fail, so only peek from the FIFO
tmtcBridge->tmFifo->peek(&storeId);
// Using the store accessor will take care of deleting TM from the store automatically
ConstStorageAccessor storeAccessor(storeId);
@ -220,13 +281,134 @@ ReturnValue_t TcpTmTcServer::handleTmSending(socket_t connSocket) {
if(result != HasReturnvaluesIF::RETURN_OK) {
return result;
}
if(wiretappingEnabled) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::info << "Sending TM:" << std::endl;
#else
sif::printInfo("Sending TM:\n");
#endif
arrayprinter::print(storeAccessor.data(), storeAccessor.size());
}
int retval = send(connSocket,
reinterpret_cast<const char*>(storeAccessor.data()),
storeAccessor.size(),
tcpTmFlags);
if(retval != static_cast<int>(storeAccessor.size())) {
tcpip::handleError(tcpip::Protocol::TCP, tcpip::ErrorSources::SEND_CALL);
tcpConfig.tcpTmFlags);
if(retval == static_cast<int>(storeAccessor.size())) {
// Packet sent, clear FIFO entry
tmtcBridge->tmFifo->pop();
tmSent = true;
}
else if(retval <= 0) {
// Assume that the client has closed the connection here for now
handleSocketError(storeAccessor);
return CONN_BROKEN;
}
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TcpTmTcServer::handleTcRingBufferData(size_t availableReadData) {
ReturnValue_t status = HasReturnvaluesIF::RETURN_OK;
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
size_t readAmount = availableReadData;
lastRingBufferSize = availableReadData;
if(readAmount >= ringBuffer.getMaxSize()) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
// Possible configuration error, too much data or/and data coming in too fast,
// requiring larger buffers
sif::warning << "TcpTmTcServer::handleServerOperation: Ring buffer reached " <<
"fill count" << std::endl;
#else
sif::printWarning("TcpTmTcServer::handleServerOperation: Ring buffer reached "
"fill count");
#endif
#endif
}
if(readAmount >= receptionBuffer.size()) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
// Possible configuration error, too much data or/and data coming in too fast,
// requiring larger buffers
sif::warning << "TcpTmTcServer::handleServerOperation: "
"Reception buffer too small " << std::endl;
#else
sif::printWarning("TcpTmTcServer::handleServerOperation: Reception buffer too small\n");
#endif
#endif
readAmount = receptionBuffer.size();
}
ringBuffer.readData(receptionBuffer.data(), readAmount, true);
const uint8_t* bufPtr = receptionBuffer.data();
const uint8_t** bufPtrPtr = &bufPtr;
size_t startIdx = 0;
size_t foundSize = 0;
size_t readLen = 0;
while(readLen < readAmount) {
result = spacePacketParser->parseSpacePackets(bufPtrPtr, readAmount,
startIdx, foundSize, readLen);
switch(result) {
case(SpacePacketParser::NO_PACKET_FOUND):
case(SpacePacketParser::SPLIT_PACKET): {
break;
}
case(HasReturnvaluesIF::RETURN_OK): {
result = handleTcReception(receptionBuffer.data() + startIdx, foundSize);
if(result != HasReturnvaluesIF::RETURN_OK) {
status = result;
}
}
}
ringBuffer.deleteData(foundSize);
lastRingBufferSize = ringBuffer.getAvailableReadData();
std::memset(receptionBuffer.data() + startIdx, 0, foundSize);
}
return status;
}
void TcpTmTcServer::enableWiretapping(bool enable) {
this->wiretappingEnabled = enable;
}
void TcpTmTcServer::handleSocketError(ConstStorageAccessor &accessor) {
// Don't delete data
accessor.release();
auto socketError = getLastSocketError();
switch(socketError) {
#if defined PLATFORM_WIN
case(WSAECONNRESET): {
// See https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-send
// Remote client might have shut down connection
return;
}
#else
case(EPIPE): {
// See https://man7.org/linux/man-pages/man2/send.2.html
// Remote client might have shut down connection
return;
}
#endif
default: {
tcpip::handleError(tcpip::Protocol::TCP, tcpip::ErrorSources::SEND_CALL);
}
}
}
#if defined PLATFORM_WIN
void TcpTmTcServer::setSocketNonBlocking(socket_t &connSocket) {
u_long iMode = 1;
int iResult = ioctlsocket(connSocket, FIONBIO, &iMode);
if(iResult != NO_ERROR) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TcpTmTcServer::handleServerOperation: Setting socket"
" non-blocking failed with error " << iResult;
#else
sif::printWarning("TcpTmTcServer::handleServerOperation: Setting socket"
" non-blocking failed with error %d\n", iResult);
#endif
#endif
}
}
#endif

75
src/fsfw/osal/common/TcpTmTcServer.h
View File

@ -6,6 +6,7 @@
#include "fsfw/platform.h"
#include "fsfw/osal/common/tcpipHelpers.h"
#include "fsfw/ipc/messageQueueDefinitions.h"
#include "fsfw/container/SimpleRingBuffer.h"
#include "fsfw/ipc/MessageQueueIF.h"
#include "fsfw/objectmanager/frameworkObjects.h"
#include "fsfw/objectmanager/SystemObject.h"
@ -20,6 +21,7 @@
#include <vector>
class TcpTmTcBridge;
class SpacePacketParser;
/**
* @brief TCP server implementation
@ -42,9 +44,38 @@ class TcpTmTcServer:
public TcpIpBase,
public ExecutableObjectIF {
public:
enum class ReceptionModes {
SPACE_PACKETS
};
struct TcpConfig {
public:
TcpConfig(std::string tcpPort): tcpPort(tcpPort) {}
/**
* Passed to the recv call
*/
int tcpFlags = 0;
int tcpBacklog = 3;
/**
* If no telecommands packets are being received and no telemetry is being sent,
* the TCP server will delay periodically by this amount to decrease the CPU load
*/
uint32_t tcpLoopDelay = DEFAULT_LOOP_DELAY_MS ;
/**
* Passed to the send call
*/
int tcpTmFlags = 0;
const std::string tcpPort;
};
static const std::string DEFAULT_SERVER_PORT;
static constexpr size_t ETHERNET_MTU_SIZE = 1500;
static constexpr size_t RING_BUFFER_SIZE = ETHERNET_MTU_SIZE * 3;
static constexpr uint32_t DEFAULT_LOOP_DELAY_MS = 200;
/**
* TCP Server Constructor
@ -55,11 +86,21 @@ public:
* @param customTcpServerPort The user can specify another port than the default (7301) here.
*/
TcpTmTcServer(object_id_t objectId, object_id_t tmtcTcpBridge,
size_t receptionBufferSize = ETHERNET_MTU_SIZE + 1,
std::string customTcpServerPort = "");
size_t receptionBufferSize = RING_BUFFER_SIZE,
size_t ringBufferSize = RING_BUFFER_SIZE,
std::string customTcpServerPort = DEFAULT_SERVER_PORT,
ReceptionModes receptionMode = ReceptionModes::SPACE_PACKETS);
virtual~ TcpTmTcServer();
void setTcpBacklog(uint8_t tcpBacklog);
void enableWiretapping(bool enable);
/**
* Get a handle to the TCP configuration struct, which can be used to configure TCP
* properties
* @return
*/
TcpConfig& getTcpConfigStruct();
void setSpacePacketParsingOptions(std::vector<uint16_t> validPacketIds);
ReturnValue_t initialize() override;
ReturnValue_t performOperation(uint8_t opCode) override;
@ -71,25 +112,33 @@ protected:
StorageManagerIF* tcStore = nullptr;
StorageManagerIF* tmStore = nullptr;
private:
static constexpr ReturnValue_t CONN_BROKEN = HasReturnvaluesIF::makeReturnCode(1, 0);
//! TMTC bridge is cached.
object_id_t tmtcBridgeId = objects::NO_OBJECT;
TcpTmTcBridge* tmtcBridge = nullptr;
bool wiretappingEnabled = false;
std::string tcpPort;
int tcpFlags = 0;
socket_t listenerTcpSocket = 0;
ReceptionModes receptionMode;
TcpConfig tcpConfig;
struct sockaddr tcpAddress;
socket_t listenerTcpSocket = 0;
MessageQueueId_t targetTcDestination = MessageQueueIF::NO_QUEUE;
int tcpAddrLen = sizeof(tcpAddress);
int tcpBacklog = 3;
std::vector<uint8_t> receptionBuffer;
int tcpSockOpt = 0;
int tcpTmFlags = 0;
SimpleRingBuffer ringBuffer;
std::vector<uint16_t> validPacketIds;
SpacePacketParser* spacePacketParser = nullptr;
uint8_t lastRingBufferSize = 0;
void handleServerOperation(socket_t connSocket);
ReturnValue_t handleTcReception(size_t bytesRecvd);
ReturnValue_t handleTmSending(socket_t connSocket);
virtual void handleServerOperation(socket_t& connSocket);
ReturnValue_t handleTcReception(uint8_t* spacePacket, size_t packetSize);
ReturnValue_t handleTmSending(socket_t connSocket, bool& tmSent);
ReturnValue_t handleTcRingBufferData(size_t availableReadData);
void handleSocketError(ConstStorageAccessor& accessor);
#if defined PLATFORM_WIN
void setSocketNonBlocking(socket_t& connSocket);
#endif
};
#endif /* FSFW_OSAL_COMMON_TCP_TMTC_SERVER_H_ */

33
src/fsfw/osal/linux/CommandExecutor.cpp
View File

@ -62,8 +62,13 @@ ReturnValue_t CommandExecutor::close() {
void CommandExecutor::printLastError(std::string funcName) const {
if(lastError != 0) {
sif::error << funcName << " pclose failed with code " <<
lastError << ": " << strerror(lastError) << std::endl;
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << funcName << " pclose failed with code " << lastError << ": " <<
strerror(lastError) << std::endl;
#else
sif::printError("%s pclose failed with code %d: %s\n",
funcName, lastError, strerror(lastError));
#endif
}
}
@ -98,15 +103,23 @@ ReturnValue_t CommandExecutor::check(bool& bytesRead) {
ssize_t readBytes = read(currentFd, readVec.data(), readVec.size());
if(readBytes == 0) {
// Should not happen
sif::warning << "CommandExecutor::check: "
"No bytes read after poll event.." << std::endl;
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "CommandExecutor::check: No bytes read "
"after poll event.." << std::endl;
#else
sif::printWarning("CommandExecutor::check: No bytes read after poll event..\n");
#endif
break;
}
else if(readBytes > 0) {
bytesRead = true;
if(printOutput) {
// It is assumed the command output is line terminated
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::info << currentCmd << " | " << readVec.data();
#else
sif::printInfo("%s | %s", currentCmd, readVec.data());
#endif
}
if(ringBuffer != nullptr) {
ringBuffer->writeData(reinterpret_cast<const uint8_t*>(
@ -121,12 +134,20 @@ ReturnValue_t CommandExecutor::check(bool& bytesRead) {
}
else {
// Should also not happen
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "CommandExecutor::check: Error " << errno << ": " <<
strerror(errno) << std::endl;
#else
sif::printWarning("CommandExecutor::check: Error %d: %s\n", errno, strerror(errno));
#endif
}
}
else if(waiter.revents & POLLERR) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "CommandExecuter::check: Poll error" << std::endl;
#else
sif::printWarning("CommandExecuter::check: Poll error\n");
#endif
return COMMAND_ERROR;
}
else if(waiter.revents & POLLHUP) {
@ -165,7 +186,11 @@ ReturnValue_t CommandExecutor::executeBlocking() {
while(fgets(readVec.data(), readVec.size(), currentCmdFile) != nullptr) {
std::string output(readVec.data());
if(printOutput) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::info << currentCmd << " | " << output;
#else
sif::printInfo("%s | %s", currentCmd, output);
#endif
}
if(ringBuffer != nullptr) {
ringBuffer->writeData(reinterpret_cast<const uint8_t*>(output.data()), output.size());

1
src/fsfw/returnvalues/FwClassIds.h
View File

@ -80,6 +80,7 @@ enum: uint8_t {
FIXED_SLOT_TASK_IF, //FTIF
MGM_LIS3MDL, //MGMLIS3
MGM_RM3100, //MGMRM3100
SPACE_PACKET_PARSER, //SPPA
FW_CLASS_ID_COUNT // [EXPORT] : [END]
};

27
src/fsfw/tcdistribution/PUSDistributor.cpp
View File

@ -29,12 +29,31 @@ PUSDistributor::TcMqMapIter PUSDistributor::selectDestination() {
tcStatus = checker.checkPacket(currentPacket);
if(tcStatus != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_VERBOSE_LEVEL >= 1
std::string keyword;
if(tcStatus == TcPacketCheck::INCORRECT_CHECKSUM) {
keyword = "checksum";
}
else if(tcStatus == TcPacketCheck::INCORRECT_PRIMARY_HEADER) {
keyword = "incorrect primary header";
}
else if(tcStatus == TcPacketCheck::ILLEGAL_APID) {
keyword = "illegal APID";
}
else if(tcStatus == TcPacketCheck::INCORRECT_SECONDARY_HEADER) {
keyword = "incorrect secondary header";
}
else if(tcStatus == TcPacketCheck::INCOMPLETE_PACKET) {
keyword = "incomplete packet";
}
else {
keyword = "unnamed error";
}
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::debug << "PUSDistributor::handlePacket: Packet format invalid, code " <<
static_cast<int>(tcStatus) << std::endl;
sif::warning << "PUSDistributor::handlePacket: Packet format invalid, "
<< keyword << " error" << std::endl;
#else
sif::printDebug("PUSDistributor::handlePacket: Packet format invalid, code %d\n",
static_cast<int>(tcStatus));
sif::printWarning("PUSDistributor::handlePacket: Packet format invalid, "
"%s error\n", keyword);
#endif
#endif
}

112
src/fsfw/tmtcpacket/SpacePacket.h
View File

@ -15,56 +15,70 @@
*/
class SpacePacket: public SpacePacketBase {
public:
static const uint16_t PACKET_MAX_SIZE = 1024;
/**
* The constructor initializes the packet and sets all header information
* according to the passed parameters.
* @param packetDataLength Sets the packet data length field and therefore specifies the size of the packet.
* @param isTelecommand Sets the packet type field to either TC (true) or TM (false).
* @param apid Sets the packet's APID field. The default value describes an idle packet.
* @param sequenceCount ets the packet's Source Sequence Count field.
*/
SpacePacket(uint16_t packetDataLength, bool isTelecommand = false,
uint16_t apid = APID_IDLE_PACKET, uint16_t sequenceCount = 0);
/**
* The class's default destructor.
*/
virtual ~SpacePacket();
/**
* With this call, the complete data content (including the CCSDS Primary
* Header) is overwritten with the byte stream given.
* @param p_data Pointer to data to overwrite the content with
* @param packet_size Size of the data
* @return @li \c true if packet_size is smaller than \c MAX_PACKET_SIZE.
* @li \c false else.
*/
bool addWholeData(const uint8_t* p_data, uint32_t packet_size);
static const uint16_t PACKET_MAX_SIZE = 1024;
/**
* The constructor initializes the packet and sets all header information
* according to the passed parameters.
* @param packetDataLength Sets the packet data length field and therefore specifies
* the size of the packet.
* @param isTelecommand Sets the packet type field to either TC (true) or TM (false).
* @param apid Sets the packet's APID field. The default value describes an idle packet.
* @param sequenceCount ets the packet's Source Sequence Count field.
*/
SpacePacket(uint16_t packetDataLength, bool isTelecommand = false,
uint16_t apid = APID_IDLE_PACKET, uint16_t sequenceCount = 0);
/**
* The class's default destructor.
*/
virtual ~SpacePacket();
/**
* With this call, the complete data content (including the CCSDS Primary
* Header) is overwritten with the byte stream given.
* @param p_data Pointer to data to overwrite the content with
* @param packet_size Size of the data
* @return @li \c true if packet_size is smaller than \c MAX_PACKET_SIZE.
* @li \c false else.
*/
bool addWholeData(const uint8_t* p_data, uint32_t packet_size);
protected:
/**
* This structure defines the data structure of a Space Packet as local data.
* There's a buffer which corresponds to the Space Packet Data Field with a
* maximum size of \c PACKET_MAX_SIZE.
*/
struct PacketStructured {
CCSDSPrimaryHeader header;
uint8_t buffer[PACKET_MAX_SIZE];
};
/**
* This union simplifies accessing the full data content of the Space Packet.
* This is achieved by putting the \c PacketStructured struct in a union with
* a plain buffer.
*/
union SpacePacketData {
PacketStructured fields;
uint8_t byteStream[PACKET_MAX_SIZE + sizeof(CCSDSPrimaryHeader)];
};
/**
* This is the data representation of the class.
* It is a struct of CCSDS Primary Header and a data field, which again is
* packed in an union, so the data can be accessed as a byte stream without
* a cast.
*/
SpacePacketData localData;
/**
* This structure defines the data structure of a Space Packet as local data.
* There's a buffer which corresponds to the Space Packet Data Field with a
* maximum size of \c PACKET_MAX_SIZE.
*/
struct PacketStructured {
CCSDSPrimaryHeader header;
uint8_t buffer[PACKET_MAX_SIZE];
};
/**
* This union simplifies accessing the full data content of the Space Packet.
* This is achieved by putting the \c PacketStructured struct in a union with
* a plain buffer.
*/
union SpacePacketData {
PacketStructured fields;
uint8_t byteStream[PACKET_MAX_SIZE + sizeof(CCSDSPrimaryHeader)];
};
/**
* This is the data representation of the class.
* It is a struct of CCSDS Primary Header and a data field, which again is
* packed in an union, so the data can be accessed as a byte stream without
* a cast.
*/
SpacePacketData localData;
};
namespace spacepacket {
constexpr uint16_t getTcSpacePacketIdFromApid(uint16_t apid) {
return (0x18 << 8) | (((apid >> 8) & 0x07) << 8) | (apid & 0x00ff);
}
constexpr uint16_t getTmSpacePacketIdFromApid(uint16_t apid) {
return (0x08 << 8) | (((apid >> 8) & 0x07) << 8) | (apid & 0x00ff);
}
}
#endif /* SPACEPACKET_H_ */

82
src/fsfw/tmtcpacket/SpacePacketBase.cpp
View File

@ -4,7 +4,7 @@
#include <cstring>
SpacePacketBase::SpacePacketBase(const uint8_t* setAddress) {
this->data = reinterpret_cast<SpacePacketPointer*>(const_cast<uint8_t*>(setAddress));
this->data = reinterpret_cast<SpacePacketPointer*>(const_cast<uint8_t*>(setAddress));
}
SpacePacketBase::~SpacePacketBase() {
@ -12,11 +12,11 @@ SpacePacketBase::~SpacePacketBase() {
//CCSDS Methods:
uint8_t SpacePacketBase::getPacketVersionNumber( void ) {
return (this->data->header.packet_id_h & 0b11100000) >> 5;
return (this->data->header.packet_id_h & 0b11100000) >> 5;
}
ReturnValue_t SpacePacketBase::initSpacePacketHeader(bool isTelecommand,
bool hasSecondaryHeader, uint16_t apid, uint16_t sequenceCount) {
bool hasSecondaryHeader, uint16_t apid, uint16_t sequenceCount) {
if(data == nullptr) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
@ -28,41 +28,42 @@ ReturnValue_t SpacePacketBase::initSpacePacketHeader(bool isTelecommand,
#endif
return HasReturnvaluesIF::RETURN_FAILED;
}
//reset header to zero:
memset(data, 0, sizeof(this->data->header) );
//Set TC/TM bit.
data->header.packet_id_h = ((isTelecommand? 1 : 0)) << 4;
//Set secondaryHeader bit
data->header.packet_id_h |= ((hasSecondaryHeader? 1 : 0)) << 3;
this->setAPID( apid );
//Always initialize as standalone packets.
data->header.sequence_control_h = 0b11000000;
setPacketSequenceCount(sequenceCount);
return HasReturnvaluesIF::RETURN_OK;
//reset header to zero:
memset(data, 0, sizeof(this->data->header) );
//Set TC/TM bit.
data->header.packet_id_h = ((isTelecommand? 1 : 0)) << 4;
//Set secondaryHeader bit
data->header.packet_id_h |= ((hasSecondaryHeader? 1 : 0)) << 3;
this->setAPID( apid );
//Always initialize as standalone packets.
data->header.sequence_control_h = 0b11000000;
setPacketSequenceCount(sequenceCount);
return HasReturnvaluesIF::RETURN_OK;
}
bool SpacePacketBase::isTelecommand( void ) {
return (this->data->header.packet_id_h & 0b00010000) >> 4;
return (this->data->header.packet_id_h & 0b00010000) >> 4;
}
bool SpacePacketBase::hasSecondaryHeader( void ) {
return (this->data->header.packet_id_h & 0b00001000) >> 3;
return (this->data->header.packet_id_h & 0b00001000) >> 3;
}
uint16_t SpacePacketBase::getPacketId() {
return ( (this->data->header.packet_id_h) << 8 ) +
this->data->header.packet_id_l;
return ( (this->data->header.packet_id_h) << 8 ) +
this->data->header.packet_id_l;
}
uint16_t SpacePacketBase::getAPID( void ) const {
return ( (this->data->header.packet_id_h & 0b00000111) << 8 ) +
this->data->header.packet_id_l;
return ( (this->data->header.packet_id_h & 0b00000111) << 8 ) +
this->data->header.packet_id_l;
}
void SpacePacketBase::setAPID( uint16_t new_apid ) {
//Use first three bits of new APID, but keep rest of packet id as it was (see specification).
this->data->header.packet_id_h = (this->data->header.packet_id_h & 0b11111000) | ( ( new_apid & 0x0700 ) >> 8 );
this->data->header.packet_id_l = ( new_apid & 0x00FF );
// Use first three bits of new APID, but keep rest of packet id as it was (see specification).
this->data->header.packet_id_h = (this->data->header.packet_id_h & 0b11111000) |
( ( new_apid & 0x0700 ) >> 8 );
this->data->header.packet_id_l = ( new_apid & 0x00FF );
}
void SpacePacketBase::setSequenceFlags( uint8_t sequenceflags ) {
@ -71,51 +72,52 @@ void SpacePacketBase::setSequenceFlags( uint8_t sequenceflags ) {
}
uint16_t SpacePacketBase::getPacketSequenceControl( void ) {
return ( (this->data->header.sequence_control_h) << 8 )
+ this->data->header.sequence_control_l;
return ( (this->data->header.sequence_control_h) << 8 )
+ this->data->header.sequence_control_l;
}
uint8_t SpacePacketBase::getSequenceFlags( void ) {
return (this->data->header.sequence_control_h & 0b11000000) >> 6 ;
return (this->data->header.sequence_control_h & 0b11000000) >> 6 ;
}
uint16_t SpacePacketBase::getPacketSequenceCount( void ) const {
return ( (this->data->header.sequence_control_h & 0b00111111) << 8 )
+ this->data->header.sequence_control_l;
return ( (this->data->header.sequence_control_h & 0b00111111) << 8 )
+ this->data->header.sequence_control_l;
}
void SpacePacketBase::setPacketSequenceCount( uint16_t new_count) {
this->data->header.sequence_control_h = ( this->data->header.sequence_control_h & 0b11000000 ) | ( ( (new_count%LIMIT_SEQUENCE_COUNT) & 0x3F00 ) >> 8 );
this->data->header.sequence_control_l = ( (new_count%LIMIT_SEQUENCE_COUNT) & 0x00FF );
this->data->header.sequence_control_h = ( this->data->header.sequence_control_h & 0b11000000 ) |
( ( (new_count%LIMIT_SEQUENCE_COUNT) & 0x3F00 ) >> 8 );
this->data->header.sequence_control_l = ( (new_count%LIMIT_SEQUENCE_COUNT) & 0x00FF );
}
uint16_t SpacePacketBase::getPacketDataLength() const {
return ( (this->data->header.packet_length_h) << 8 )
+ this->data->header.packet_length_l;
return ( (this->data->header.packet_length_h) << 8 )
+ this->data->header.packet_length_l;
}
void SpacePacketBase::setPacketDataLength( uint16_t new_length) {
this->data->header.packet_length_h = ( ( new_length & 0xFF00 ) >> 8 );
this->data->header.packet_length_l = ( new_length & 0x00FF );
this->data->header.packet_length_h = ( ( new_length & 0xFF00 ) >> 8 );
this->data->header.packet_length_l = ( new_length & 0x00FF );
}
size_t SpacePacketBase::getFullSize() {
//+1 is done because size in packet data length field is: size of data field -1
return this->getPacketDataLength() + sizeof(this->data->header) + 1;
// +1 is done because size in packet data length field is: size of data field -1
return this->getPacketDataLength() + sizeof(this->data->header) + 1;
}
uint8_t* SpacePacketBase::getWholeData() {
return (uint8_t*)this->data;
return (uint8_t*)this->data;
}
void SpacePacketBase::setData( const uint8_t* p_Data ) {
this->data = (SpacePacketPointer*)p_Data;
this->data = (SpacePacketPointer*)p_Data;
}
uint32_t SpacePacketBase::getApidAndSequenceCount() const {
return (getAPID() << 16) + getPacketSequenceCount();
return (getAPID() << 16) + getPacketSequenceCount();
}
uint8_t* SpacePacketBase::getPacketData() {
return &(data->packet_data);
return &(data->packet_data);
}

269
src/fsfw/tmtcpacket/SpacePacketBase.h
View File

@ -22,8 +22,8 @@
* @ingroup tmtcpackets
*/
struct SpacePacketPointer {
CCSDSPrimaryHeader header;
uint8_t packet_data;
CCSDSPrimaryHeader header;
uint8_t packet_data;
};
/**
@ -39,150 +39,151 @@ struct SpacePacketPointer {
*/
class SpacePacketBase {
protected:
/**
* A pointer to a structure which defines the data structure of
* the packet header.
* To be hardware-safe, all elements are of byte size.
*/
SpacePacketPointer* data;
/**
* A pointer to a structure which defines the data structure of
* the packet header.
* To be hardware-safe, all elements are of byte size.
*/
SpacePacketPointer* data;
public:
static const uint16_t LIMIT_APID = 2048; //2^1
static const uint16_t LIMIT_SEQUENCE_COUNT = 16384; // 2^14
static const uint16_t APID_IDLE_PACKET = 0x7FF;
static const uint8_t TELECOMMAND_PACKET = 1;
static const uint8_t TELEMETRY_PACKET = 0;
/**
* This definition defines the CRC size in byte.
*/
static const uint8_t CRC_SIZE = 2;
/**
* This is the minimum size of a SpacePacket.
*/
static const uint16_t MINIMUM_SIZE = sizeof(CCSDSPrimaryHeader) + CRC_SIZE;
/**
* This is the default constructor.
* It sets its internal data pointer to the address passed.
* @param set_address The position where the packet data lies.
*/
SpacePacketBase( const uint8_t* set_address );
/**
* No data is allocated, so the destructor is empty.
*/
virtual ~SpacePacketBase();
static const uint16_t LIMIT_APID = 2048; //2^1
static const uint16_t LIMIT_SEQUENCE_COUNT = 16384; // 2^14
static const uint16_t APID_IDLE_PACKET = 0x7FF;
static const uint8_t TELECOMMAND_PACKET = 1;
static const uint8_t TELEMETRY_PACKET = 0;
/**
* This definition defines the CRC size in byte.
*/
static const uint8_t CRC_SIZE = 2;
/**
* This is the minimum size of a SpacePacket.
*/
static const uint16_t MINIMUM_SIZE = sizeof(CCSDSPrimaryHeader) + CRC_SIZE;
/**
* This is the default constructor.
* It sets its internal data pointer to the address passed.
* @param set_address The position where the packet data lies.
*/
SpacePacketBase( const uint8_t* set_address );
/**
* No data is allocated, so the destructor is empty.
*/
virtual ~SpacePacketBase();
//CCSDS Methods:
/**
* Getter for the packet version number field.
* @return Returns the highest three bit of the packet in one byte.
*/
uint8_t getPacketVersionNumber( void );
/**
* This method checks the type field in the header.
* This bit specifies, if the command is interpreted as Telecommand of
* as Telemetry. For a Telecommand, the bit is set.
* @return Returns true if the bit is set and false if not.
*/
bool isTelecommand( void );
//CCSDS Methods
ReturnValue_t initSpacePacketHeader(bool isTelecommand, bool hasSecondaryHeader,
uint16_t apid, uint16_t sequenceCount = 0);
/**
* The CCSDS header provides a secondary header flag (the fifth-highest bit),
* which is checked with this method.
* @return Returns true if the bit is set and false if not.
*/
bool hasSecondaryHeader( void );
/**
* Returns the complete first two bytes of the packet, which together form
* the CCSDS packet id.
* @return The CCSDS packet id.
*/
uint16_t getPacketId( void );
/**
* Returns the APID of a packet, which are the lowest 11 bit of the packet
* id.
* @return The CCSDS APID.
*/
uint16_t getAPID( void ) const;
/**
* Sets the APID of a packet, which are the lowest 11 bit of the packet
* id.
* @param The APID to set. The highest five bits of the parameter are
* ignored.
*/
void setAPID( uint16_t setAPID );
/**
* Getter for the packet version number field.
* @return Returns the highest three bit of the packet in one byte.
*/
uint8_t getPacketVersionNumber( void );
/**
* This method checks the type field in the header.
* This bit specifies, if the command is interpreted as Telecommand of
* as Telemetry. For a Telecommand, the bit is set.
* @return Returns true if the bit is set and false if not.
*/
bool isTelecommand( void );
/**
ReturnValue_t initSpacePacketHeader(bool isTelecommand, bool hasSecondaryHeader,
uint16_t apid, uint16_t sequenceCount = 0);
/**
* The CCSDS header provides a secondary header flag (the fifth-highest bit),
* which is checked with this method.
* @return Returns true if the bit is set and false if not.
*/
bool hasSecondaryHeader( void );
/**
* Returns the complete first two bytes of the packet, which together form
* the CCSDS packet id.
* @return The CCSDS packet id.
*/
uint16_t getPacketId( void );
/**
* Returns the APID of a packet, which are the lowest 11 bit of the packet
* id.
* @return The CCSDS APID.
*/
uint16_t getAPID( void ) const;
/**
* Sets the APID of a packet, which are the lowest 11 bit of the packet
* id.
* @param The APID to set. The highest five bits of the parameter are
* ignored.
*/
void setAPID( uint16_t setAPID );
/**
* Sets the sequence flags of a packet, which are bit 17 and 18 in the space packet header.
* @param The sequence flags to set
*/
void setSequenceFlags( uint8_t sequenceflags );
/**
* Returns the CCSDS packet sequence control field, which are the third and
* the fourth byte of the CCSDS primary header.
* @return The CCSDS packet sequence control field.
*/
uint16_t getPacketSequenceControl( void );
/**
* Returns the SequenceFlags, which are the highest two bit of the packet
* sequence control field.
* @return The CCSDS sequence flags.
*/
uint8_t getSequenceFlags( void );
/**
* Returns the packet sequence count, which are the lowest 14 bit of the
* packet sequence control field.
* @return The CCSDS sequence count.
*/
uint16_t getPacketSequenceCount( void ) const;
/**
* Sets the packet sequence count, which are the lowest 14 bit of the
* packet sequence control field.
* setCount is modulo-divided by \c LIMIT_SEQUENCE_COUNT to avoid overflows.
* @param setCount The value to set the count to.
*/
void setPacketSequenceCount( uint16_t setCount );
/**
* Returns the packet data length, which is the fifth and sixth byte of the
* CCSDS Primary Header. The packet data length is the size of every kind
* of data \b after the CCSDS Primary Header \b -1.
* @return
* The CCSDS packet data length. uint16_t is sufficient,
* because this is limit in CCSDS standard
*/
uint16_t getPacketDataLength(void) const;
/**
* Sets the packet data length, which is the fifth and sixth byte of the
* CCSDS Primary Header.
* @param setLength The value of the length to set. It must fit the true
* CCSDS packet data length . The packet data length is
* the size of every kind of data \b after the CCSDS
* Primary Header \b -1.
*/
void setPacketDataLength( uint16_t setLength );
/**
* Returns the CCSDS packet sequence control field, which are the third and
* the fourth byte of the CCSDS primary header.
* @return The CCSDS packet sequence control field.
*/
uint16_t getPacketSequenceControl( void );
/**
* Returns the SequenceFlags, which are the highest two bit of the packet
* sequence control field.
* @return The CCSDS sequence flags.
*/
uint8_t getSequenceFlags( void );
/**
* Returns the packet sequence count, which are the lowest 14 bit of the
* packet sequence control field.
* @return The CCSDS sequence count.
*/
uint16_t getPacketSequenceCount( void ) const;
/**
* Sets the packet sequence count, which are the lowest 14 bit of the
* packet sequence control field.
* setCount is modulo-divided by \c LIMIT_SEQUENCE_COUNT to avoid overflows.
* @param setCount The value to set the count to.
*/
void setPacketSequenceCount( uint16_t setCount );
/**
* Returns the packet data length, which is the fifth and sixth byte of the
* CCSDS Primary Header. The packet data length is the size of every kind
* of data \b after the CCSDS Primary Header \b -1.
* @return
* The CCSDS packet data length. uint16_t is sufficient,
* because this is limit in CCSDS standard
*/
uint16_t getPacketDataLength(void) const;
/**
* Sets the packet data length, which is the fifth and sixth byte of the
* CCSDS Primary Header.
* @param setLength The value of the length to set. It must fit the true
* CCSDS packet data length . The packet data length is
* the size of every kind of data \b after the CCSDS
* Primary Header \b -1.
*/
void setPacketDataLength( uint16_t setLength );
//Helper methods:
/**
* This method returns a raw uint8_t pointer to the packet.
* @return A \c uint8_t pointer to the first byte of the CCSDS primary header.
*/
virtual uint8_t* getWholeData( void );
// Helper methods
/**
* This method returns a raw uint8_t pointer to the packet.
* @return A \c uint8_t pointer to the first byte of the CCSDS primary header.
*/
virtual uint8_t* getWholeData( void );
uint8_t* getPacketData();
/**
* With this method, the packet data pointer can be redirected to another
* location.
* @param p_Data A pointer to another raw Space Packet.
*/
virtual void setData( const uint8_t* p_Data );
/**
* This method returns the full raw packet size.
* @return The full size of the packet in bytes.
*/
size_t getFullSize();
uint8_t* getPacketData();
/**
* With this method, the packet data pointer can be redirected to another
* location.
* @param p_Data A pointer to another raw Space Packet.
*/
virtual void setData( const uint8_t* p_Data );
/**
* This method returns the full raw packet size.
* @return The full size of the packet in bytes.
*/
size_t getFullSize();
uint32_t getApidAndSequenceCount() const;
uint32_t getApidAndSequenceCount() const;
};

2
src/fsfw/tmtcpacket/pus/tm/TmPacketStoredPusC.cpp
View File

@ -77,9 +77,9 @@ TmPacketStoredPusC::TmPacketStoredPusC(uint16_t apid, uint8_t service,
"%d too large\n", sizeToReserve);
break;
}
#endif
#endif
}
#endif
TmPacketStoredBase::checkAndReportLostTm();
return;
}

1
src/fsfw/tmtcservices/CMakeLists.txt
View File

@ -6,4 +6,5 @@ target_sources(${LIB_FSFW_NAME}
TmTcBridge.cpp
TmTcMessage.cpp
VerificationReporter.cpp
SpacePacketParser.cpp
)

77
src/fsfw/tmtcservices/SpacePacketParser.cpp Normal file
View File

@ -0,0 +1,77 @@
#include <fsfw/serviceinterface/ServiceInterface.h>
#include <fsfw/tmtcservices/SpacePacketParser.h>
#include <algorithm>
SpacePacketParser::SpacePacketParser(std::vector<uint16_t> validPacketIds):
validPacketIds(validPacketIds) {
}
ReturnValue_t SpacePacketParser::parseSpacePackets(const uint8_t *buffer,
const size_t maxSize, size_t& startIndex, size_t& foundSize) {
const uint8_t** tempPtr = &buffer;
size_t readLen = 0;
return parseSpacePackets(tempPtr, maxSize, startIndex, foundSize, readLen);
}
ReturnValue_t SpacePacketParser::parseSpacePackets(const uint8_t **buffer, const size_t maxSize,
size_t &startIndex, size_t &foundSize, size_t& readLen) {
if(buffer == nullptr or maxSize < 5) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "SpacePacketParser::parseSpacePackets: Frame invalid" << std::endl;
#else
sif::printWarning("SpacePacketParser::parseSpacePackets: Frame invalid\n");
#endif
return HasReturnvaluesIF::RETURN_FAILED;
}
const uint8_t* bufPtr = *buffer;
auto verifyLengthField = [&](size_t idx) {
uint16_t lengthField = bufPtr[idx + 4] << 8 | bufPtr[idx + 5];
size_t packetSize = lengthField + 7;
startIndex = idx;
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
if(lengthField == 0) {
// Skip whole header for now
foundSize = 6;
result = NO_PACKET_FOUND;
}
else if(packetSize + idx > maxSize) {
// Don't increment buffer and read length here, user has to decide what to do
foundSize = packetSize;
return SPLIT_PACKET;
}
else {
foundSize = packetSize;
}
*buffer += foundSize;
readLen += idx + foundSize;
return result;
};
size_t idx = 0;
// Space packet ID as start marker
if(validPacketIds.size() > 0) {
while(idx < maxSize - 5) {
uint16_t currentPacketId = bufPtr[idx] << 8 | bufPtr[idx + 1];
if(std::find(validPacketIds.begin(), validPacketIds.end(), currentPacketId) !=
validPacketIds.end()) {
if(idx + 5 >= maxSize) {
return SPLIT_PACKET;
}
return verifyLengthField(idx);
}
else {
idx++;
}
}
startIndex = 0;
foundSize = maxSize;
*buffer += foundSize;
readLen += foundSize;
return NO_PACKET_FOUND;
}
// Assume that the user verified a valid start of a space packet
else {
return verifyLengthField(idx);
}
}

78
src/fsfw/tmtcservices/SpacePacketParser.h Normal file
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@ -0,0 +1,78 @@
#ifndef FRAMEWORK_TMTCSERVICES_PUSPARSER_H_
#define FRAMEWORK_TMTCSERVICES_PUSPARSER_H_
#include "fsfw/container/DynamicFIFO.h"
#include "fsfw/returnvalues/FwClassIds.h"
#include <utility>
#include <cstdint>
/**
* @brief This small helper class scans a given buffer for space packets.
* Can be used if space packets are serialized in a tightly packed frame.
* @details
* The parser uses the length field field and the 16-bit TC packet ID of the space packets to find
* find space packets in a given data stream
* @author R. Mueller
*/
class SpacePacketParser {
public:
//! The first entry is the index inside the buffer while the second index
//! is the size of the PUS packet starting at that index.
using IndexSizePair = std::pair<size_t, size_t>;
static constexpr uint8_t INTERFACE_ID = CLASS_ID::SPACE_PACKET_PARSER;
static constexpr ReturnValue_t NO_PACKET_FOUND = MAKE_RETURN_CODE(0x00);
static constexpr ReturnValue_t SPLIT_PACKET = MAKE_RETURN_CODE(0x01);
/**
* @brief Parser constructor.
* @param validPacketIds This vector contains the allowed 16-bit TC packet ID start markers
* The parser will search for these stark markers to detect the start of a space packet.
* It is also possible to pass an empty vector here, but this is not recommended.
* If an empty vector is passed, the parser will assume that the start of the given stream
* contains the start of a new space packet.
*/
SpacePacketParser(std::vector<uint16_t> validPacketIds);
/**
* Parse a given frame for space packets but also increment the given buffer and assign the
* total number of bytes read so far
* @param buffer Parser will look for space packets in this buffer
* @param maxSize Maximum size of the buffer
* @param startIndex Start index of a found space packet
* @param foundSize Found size of the space packet
* @param readLen Length read so far. This value is incremented by the number of parsed
* bytes which also includes the size of a found packet
* -@c NO_PACKET_FOUND if no packet was found in the given buffer or the length field is
* invalid. foundSize will be set to the size of the space packet header. buffer and
* readLen will be incremented accordingly.
* -@c SPLIT_PACKET if a packet was found but the detected size exceeds maxSize. foundSize
* will be set to the detected packet size and startIndex will be set to the start of the
* detected packet. buffer and read length will not be incremented but the found length
* will be assigned.
* -@c RETURN_OK if a packet was found
*/
ReturnValue_t parseSpacePackets(const uint8_t **buffer, const size_t maxSize,
size_t& startIndex, size_t& foundSize, size_t& readLen);
/**
* Parse a given frame for space packets
* @param buffer Parser will look for space packets in this buffer
* @param maxSize Maximum size of the buffer
* @param startIndex Start index of a found space packet
* @param foundSize Found size of the space packet
* -@c NO_PACKET_FOUND if no packet was found in the given buffer or the length field is
* invalid. foundSize will be set to the size of the space packet header
* -@c SPLIT_PACKET if a packet was found but the detected size exceeds maxSize. foundSize
* will be set to the detected packet size and startIndex will be set to the start of the
* detected packet
* -@c RETURN_OK if a packet was found
*/
ReturnValue_t parseSpacePackets(const uint8_t* buffer, const size_t maxSize,
size_t& startIndex, size_t& foundSize);
private:
std::vector<uint16_t> validPacketIds;
};
#endif /* FRAMEWORK_TMTCSERVICES_PUSPARSER_H_ */

14
tests/user/testcfg/CMakeLists.txt
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@ -1,11 +1,9 @@
target_sources(${TARGET_NAME}
PRIVATE
ipc/MissionMessageTypes.cpp
pollingsequence/PollingSequenceFactory.cpp
target_sources(${TARGET_NAME} PRIVATE
ipc/MissionMessageTypes.cpp
pollingsequence/PollingSequenceFactory.cpp
)
# Add include paths for the executable
target_include_directories(${TARGET_NAME}
PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}
)
target_include_directories(${TARGET_NAME} PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}
)