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Merge remote-tracking branch 'upstream/mueller/tcp-windows-fixes' into mueller/tcp-keep-open-pr

This commit is contained in:
Robin Müller 2021-09-28 17:35:07 +02:00
parent 936bac5abd 32b5060c62
commit a619087fef
No known key found for this signature in database
GPG Key ID: 11D4952C8CCEF814
2 changed files with 33 additions and 3 deletions
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33
src/fsfw/osal/common/TcpTmTcServer.cpp
View File

@ -46,10 +46,11 @@ ReturnValue_t TcpTmTcServer::initialize() {
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
@ -155,6 +156,10 @@ ReturnValue_t TcpTmTcServer::initializeAfterTaskCreation() {
}
void TcpTmTcServer::handleServerOperation(socket_t& connSocket) {
#if defined PLATFORM_WIN
setSocketNonBlocking(connSocket);
#endif
while (true) {
int retval = recv(
connSocket,
@ -172,7 +177,13 @@ void TcpTmTcServer::handleServerOperation(socket_t& connSocket) {
ringBuffer.writeData(receptionBuffer.data(), retval);
}
else if(retval < 0) {
if(errno == EAGAIN) {
int errorValue = GetLastError();
#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;
@ -191,7 +202,7 @@ void TcpTmTcServer::handleServerOperation(socket_t& connSocket) {
}
}
else {
tcpip::handleError(tcpip::Protocol::TCP, tcpip::ErrorSources::RECV_CALL);
tcpip::handleError(tcpip::Protocol::TCP, tcpip::ErrorSources::RECV_CALL, 300);
}
}
}
@ -375,3 +386,19 @@ void TcpTmTcServer::handleSocketError(ConstStorageAccessor &accessor) {
}
}
}
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
}
}

3
src/fsfw/osal/common/TcpTmTcServer.h
View File

@ -136,6 +136,9 @@ private:
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_ */