important bugfix for TCP server #618

Merged
gaisser merged 5 commits from mueller/tcp-server-bugfix into development 2022-05-09 16:59:55 +02:00
3 changed files with 22 additions and 14 deletions

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@ -55,6 +55,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
## Fixed
- TCP TMTC Server: `MutexGuard` was not created properly in
`TcpTmTcServer::handleTmSending(socket_t connSocket, bool& tmSent)` call.
PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/618
- Fix infinite recursion in `prepareHealthSetReply` of PUS Health Service 201.
Is not currently used right now but might be used in the future
PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/617

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@ -19,6 +19,8 @@
#include <ws2tcpip.h>
#elif defined(PLATFORM_UNIX)
#include <netdb.h>
#include <utility>
#endif
const std::string TcpTmTcServer::DEFAULT_SERVER_PORT = tcpip::DEFAULT_SERVER_PORT;
@ -29,7 +31,7 @@ TcpTmTcServer::TcpTmTcServer(object_id_t objectId, object_id_t tmtcTcpBridge,
: SystemObject(objectId),
tmtcBridgeId(tmtcTcpBridge),
receptionMode(receptionMode),
tcpConfig(customTcpServerPort),
tcpConfig(std::move(customTcpServerPort)),
receptionBuffer(receptionBufferSize),
ringBuffer(ringBufferSize, true) {}
@ -103,7 +105,7 @@ ReturnValue_t TcpTmTcServer::initialize() {
TcpTmTcServer::~TcpTmTcServer() { closeSocket(listenerTcpSocket); }
ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
[[noreturn]] ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
using namespace tcpip;
// If a connection is accepted, the corresponding socket will be assigned to the new socket
socket_t connSocket = 0;
@ -138,7 +140,6 @@ ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
closeSocket(connSocket);
connSocket = 0;
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TcpTmTcServer::initializeAfterTaskCreation() {
@ -159,7 +160,7 @@ void TcpTmTcServer::handleServerOperation(socket_t& connSocket) {
#endif
while (true) {
int retval = recv(connSocket, reinterpret_cast<char*>(receptionBuffer.data()),
ssize_t retval = recv(connSocket, reinterpret_cast<char*>(receptionBuffer.data()),
receptionBuffer.capacity(), tcpConfig.tcpFlags);
if (retval == 0) {
size_t availableReadData = ringBuffer.getAvailableReadData();
@ -252,17 +253,17 @@ ReturnValue_t TcpTmTcServer::handleTcReception(uint8_t* spacePacket, size_t pack
return result;
}
std::string TcpTmTcServer::getTcpPort() const { return tcpConfig.tcpPort; }
const std::string& TcpTmTcServer::getTcpPort() const { return tcpConfig.tcpPort; }
void TcpTmTcServer::setSpacePacketParsingOptions(std::vector<uint16_t> validPacketIds) {
this->validPacketIds = validPacketIds;
void TcpTmTcServer::setSpacePacketParsingOptions(std::vector<uint16_t> validPacketIds_) {
this->validPacketIds = std::move(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);
MutexGuard mg(tmtcBridge->mutex, tmtcBridge->timeoutType, tmtcBridge->mutexTimeoutMs);
gaisser marked this conversation as resolved
Review

Oh how did you find that? clang-tidy?

Oh how did you find that? clang-tidy?
Review

Yes. Marked yelow, complained that it is immediately destroyed after creation.

Yes. Marked yelow, complained that it is immediately destroyed after creation.
store_address_t storeId;
while ((not tmtcBridge->tmFifo->empty()) and
(tmtcBridge->packetSentCounter < tmtcBridge->sentPacketsPerCycle)) {
@ -283,7 +284,7 @@ ReturnValue_t TcpTmTcServer::handleTmSending(socket_t connSocket, bool& tmSent)
#endif
arrayprinter::print(storeAccessor.data(), storeAccessor.size());
}
int retval = send(connSocket, reinterpret_cast<const char*>(storeAccessor.data()),
ssize_t retval = send(connSocket, reinterpret_cast<const char*>(storeAccessor.data()),
storeAccessor.size(), tcpConfig.tcpTmFlags);
if (retval == static_cast<int>(storeAccessor.size())) {
// Packet sent, clear FIFO entry
@ -339,6 +340,9 @@ ReturnValue_t TcpTmTcServer::handleTcRingBufferData(size_t availableReadData) {
size_t foundSize = 0;
size_t readLen = 0;
while (readLen < readAmount) {
if(spacePacketParser == nullptr) {
return HasReturnvaluesIF::RETURN_FAILED;
}
result =
spacePacketParser->parseSpacePackets(bufPtrPtr, readAmount, startIdx, foundSize, readLen);
switch (result) {

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@ -17,6 +17,7 @@
#endif
#include <string>
#include <utility>
#include <vector>
class TcpTmTcBridge;
@ -44,7 +45,7 @@ class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableOb
struct TcpConfig {
public:
TcpConfig(std::string tcpPort) : tcpPort(tcpPort) {}
explicit TcpConfig(std::string tcpPort) : tcpPort(std::move(tcpPort)) {}
/**
* Passed to the recv call
@ -84,7 +85,7 @@ class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableOb
size_t ringBufferSize = RING_BUFFER_SIZE,
std::string customTcpServerPort = DEFAULT_SERVER_PORT,
ReceptionModes receptionMode = ReceptionModes::SPACE_PACKETS);
virtual ~TcpTmTcServer();
~TcpTmTcServer() override;
void enableWiretapping(bool enable);
@ -97,10 +98,10 @@ class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableOb
void setSpacePacketParsingOptions(std::vector<uint16_t> validPacketIds);
ReturnValue_t initialize() override;
ReturnValue_t performOperation(uint8_t opCode) override;
[[noreturn]] ReturnValue_t performOperation(uint8_t opCode) override;
ReturnValue_t initializeAfterTaskCreation() override;
std::string getTcpPort() const;
[[nodiscard]] const std::string& getTcpPort() const;
gaisser marked this conversation as resolved
Review

nodiscard is a c++17 extension. If we want to use that we have to change the minimum C++ Standard for the fsfw

nodiscard is a c++17 extension. If we want to use that we have to change the minimum C++ Standard for the fsfw
protected:
StorageManagerIF* tcStore = nullptr;
@ -115,7 +116,7 @@ class TcpTmTcServer : public SystemObject, public TcpIpBase, public ExecutableOb
ReceptionModes receptionMode;
TcpConfig tcpConfig;
struct sockaddr tcpAddress;
struct sockaddr tcpAddress = {};
socket_t listenerTcpSocket = 0;
MessageQueueId_t targetTcDestination = MessageQueueIF::NO_QUEUE;