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finsihed tcpip refactoring for linux udp

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This commit is contained in:
Robin Müller
2021-03-12 18:06:24 +01:00
parent 8ab2044c30
commit bceca86da6
13 changed files with 294 additions and 277 deletions
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103
osal/linux/TcUnixUdpPollingTask.cpp
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@ -1,7 +1,9 @@
#include "TcUnixUdpPollingTask.h"
#include "tcpipHelpers.h"
#include "../../globalfunctions/arrayprinter.h"
#include <errno.h>
#define FSFW_UDP_RCV_WIRETAPPING_ENABLED 0
TcUnixUdpPollingTask::TcUnixUdpPollingTask(object_id_t objectId,
object_id_t tmtcUnixUdpBridge, size_t frameSize,
@ -15,8 +17,8 @@ TcUnixUdpPollingTask::TcUnixUdpPollingTask(object_id_t objectId,
this->frameSize = DEFAULT_MAX_FRAME_SIZE;
}
// Set up reception buffer with specified frame size.
// For now, it is assumed that only one frame is held in the buffer!
/* Set up reception buffer with specified frame size.
For now, it is assumed that only one frame is held in the buffer! */
receptionBuffer.reserve(this->frameSize);
receptionBuffer.resize(this->frameSize);
@ -31,34 +33,37 @@ TcUnixUdpPollingTask::TcUnixUdpPollingTask(object_id_t objectId,
TcUnixUdpPollingTask::~TcUnixUdpPollingTask() {}
ReturnValue_t TcUnixUdpPollingTask::performOperation(uint8_t opCode) {
// Poll for new UDP datagrams in permanent loop.
while(1) {
//! Sender Address is cached here.
struct sockaddr_in senderAddress;
socklen_t senderSockLen = sizeof(senderAddress);
ssize_t bytesReceived = recvfrom(serverUdpSocket,
receptionBuffer.data(), frameSize, receptionFlags,
reinterpret_cast<sockaddr*>(&senderAddress), &senderSockLen);
if(bytesReceived < 0) {
// handle error
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcSocketPollingTask::performOperation: Reception"
"error." << std::endl;
#endif
handleReadError();
/* Sender Address is cached here. */
struct sockaddr_in senderAddress;
socklen_t senderAddressSize = sizeof(senderAddress);
/* Poll for new UDP datagrams in permanent loop. */
while(true) {
ssize_t bytesReceived = recvfrom(
serverUdpSocket,
receptionBuffer.data(),
frameSize,
receptionFlags,
reinterpret_cast<sockaddr*>(&senderAddress),
&senderAddressSize
);
if(bytesReceived < 0) {
/* Handle error */
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcSocketPollingTask::performOperation: Reception error." << std::endl;
#endif
tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::RECVFROM_CALL, 500);
continue;
}
#if FSFW_CPP_OSTREAM_ENABLED == 1
// sif::debug << "TcSocketPollingTask::performOperation: " << bytesReceived
// << " bytes received" << std::endl;
#if FSFW_CPP_OSTREAM_ENABLED == 1 && FSFW_UDP_RCV_WIRETAPPING_ENABLED == 1
sif::debug << "TcSocketPollingTask::performOperation: " << bytesReceived
<< " bytes received" << std::endl;
#endif
ReturnValue_t result = handleSuccessfullTcRead(bytesReceived);
if(result != HasReturnvaluesIF::RETURN_FAILED) {
}
tmtcBridge->registerCommConnect();
tmtcBridge->checkAndSetClientAddress(senderAddress);
}
return HasReturnvaluesIF::RETURN_OK;
@ -67,15 +72,21 @@ ReturnValue_t TcUnixUdpPollingTask::performOperation(uint8_t opCode) {
ReturnValue_t TcUnixUdpPollingTask::handleSuccessfullTcRead(size_t bytesRead) {
store_address_t storeId;
ReturnValue_t result = tcStore->addData(&storeId,
receptionBuffer.data(), bytesRead);
// arrayprinter::print(receptionBuffer.data(), bytesRead);
#if FSFW_UDP_RCV_WIRETAPPING_ENABLED == 1
arrayprinter::print(receptionBuffer.data(), bytesRead);
#endif
ReturnValue_t result = tcStore->addData(&storeId, receptionBuffer.data(), bytesRead);
if (result != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcSerialPollingTask::transferPusToSoftwareBus: Data "
sif::error << "TcUnixUdpPollingTask::handleSuccessfullTcRead: Data "
"storage failed" << std::endl;
sif::error << "Packet size: " << bytesRead << std::endl;
#endif
#else
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
return HasReturnvaluesIF::RETURN_FAILED;
}
@ -83,10 +94,13 @@ ReturnValue_t TcUnixUdpPollingTask::handleSuccessfullTcRead(size_t bytesRead) {
result = MessageQueueSenderIF::sendMessage(targetTcDestination, &message);
if (result != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "Serial Polling: Sending message to queue failed"
<< std::endl;
#endif
sif::error << "TcUnixUdpPollingTask::handleSuccessfullTcRead: Sending message to queue "
"failed" << std::endl;
#else
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
tcStore->deleteData(storeId);
}
return result;
@ -111,15 +125,17 @@ ReturnValue_t TcUnixUdpPollingTask::initialize() {
return ObjectManagerIF::CHILD_INIT_FAILED;
}
serverUdpSocket = tmtcBridge->serverSocket;
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TcUnixUdpPollingTask::initializeAfterTaskCreation() {
// Initialize the destination after task creation. This ensures
// that the destination will be set in the TMTC bridge.
/* Initialize the destination after task creation. This ensures
that the destination has already been set in the TMTC bridge. */
targetTcDestination = tmtcBridge->getRequestQueue();
/* The server socket is set up in the bridge intialization. Calling this function here
ensures that it is set up properly in any case*/
serverUdpSocket = tmtcBridge->serverSocket;
return HasReturnvaluesIF::RETURN_OK;
}
@ -135,24 +151,3 @@ void TcUnixUdpPollingTask::setTimeout(double timeoutSeconds) {
#endif
}
}
// TODO: sleep after error detection to prevent spam
void TcUnixUdpPollingTask::handleReadError() {
switch(errno) {
case(EAGAIN): {
// todo: When working in timeout mode, this will occur more often
// and is not an error.
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcUnixUdpPollingTask::handleReadError: Timeout."
<< std::endl;
#endif
break;
}
default: {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcUnixUdpPollingTask::handleReadError: "
<< strerror(errno) << std::endl;
#endif
}
}
}