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forked from fsfw/fsfw

created common OSAL stuff to unify UDP code

This commit is contained in:
2021-03-21 00:30:33 +01:00
parent e44f8bfea3
commit d625642abc
13 changed files with 214 additions and 89 deletions

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@ -1,11 +1,3 @@
target_sources(${LIB_FSFW_NAME} PRIVATE
TcWinUdpPollingTask.cpp
TmTcWinUdpBridge.cpp
TcWinTcpServer.cpp
tcpipHelpers.cpp
)
target_link_libraries(${LIB_FSFW_NAME} PRIVATE
wsock32
ws2_32
)

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@ -1,131 +0,0 @@
#include "TcWinTcpServer.h"
#include "tcpipHelpers.h"
#include "../../serviceinterface/ServiceInterface.h"
#include <winsock2.h>
#include <ws2tcpip.h>
const std::string TcWinTcpServer::DEFAULT_TCP_SERVER_PORT = "7301";
const std::string TcWinTcpServer::DEFAULT_TCP_CLIENT_PORT = "7302";
TcWinTcpServer::TcWinTcpServer(object_id_t objectId, object_id_t tmtcUnixUdpBridge,
std::string customTcpServerPort):
SystemObject(objectId), tcpPort(customTcpServerPort) {
if(tcpPort == "") {
tcpPort = DEFAULT_TCP_SERVER_PORT;
}
}
ReturnValue_t TcWinTcpServer::initialize() {
using namespace tcpip;
int retval = 0;
struct addrinfo *addrResult = nullptr;
struct addrinfo hints;
/* Initiates Winsock DLL. */
WSAData wsaData;
WORD wVersionRequested = MAKEWORD(2, 2);
int err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
/* Tell the user that we could not find a usable Winsock DLL. */
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcWinUdpBridge::TmTcWinUdpBridge: WSAStartup failed with error: " <<
err << std::endl;
#endif
return HasReturnvaluesIF::RETURN_FAILED;
}
ZeroMemory(&hints, sizeof (hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
hints.ai_flags = AI_PASSIVE;
retval = getaddrinfo(nullptr, tcpPort.c_str(), &hints, &addrResult);
if (retval != 0) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TcWinTcpServer::TcWinTcpServer: Retrieving address info failed!" <<
std::endl;
#endif
handleError(Protocol::TCP, ErrorSources::GETADDRINFO_CALL);
return HasReturnvaluesIF::RETURN_FAILED;
}
/* Open TCP (stream) socket */
listenerTcpSocket = socket(addrResult->ai_family, addrResult->ai_socktype,
addrResult->ai_protocol);
if(listenerTcpSocket == INVALID_SOCKET) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TcWinTcpServer::TcWinTcpServer: Socket creation failed!" << std::endl;
#endif
freeaddrinfo(addrResult);
handleError(Protocol::TCP, ErrorSources::SOCKET_CALL);
return HasReturnvaluesIF::RETURN_FAILED;
}
retval = bind(listenerTcpSocket, addrResult->ai_addr, static_cast<int>(addrResult->ai_addrlen));
if(retval == SOCKET_ERROR) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TcWinTcpServer::TcWinTcpServer: Binding socket failed!" <<
std::endl;
#endif
freeaddrinfo(addrResult);
handleError(Protocol::TCP, ErrorSources::BIND_CALL);
}
freeaddrinfo(addrResult);
return HasReturnvaluesIF::RETURN_OK;
}
TcWinTcpServer::~TcWinTcpServer() {
closesocket(listenerTcpSocket);
WSACleanup();
}
ReturnValue_t TcWinTcpServer::performOperation(uint8_t opCode) {
using namespace tcpip;
/* If a connection is accepted, the corresponding socket will be assigned to the new socket */
SOCKET clientSocket;
sockaddr_in clientSockAddr;
int connectorSockAddrLen = 0;
int retval = 0;
/* Listen for connection requests permanently for lifetime of program */
while(true) {
retval = listen(listenerTcpSocket, currentBacklog);
if(retval == SOCKET_ERROR) {
handleError(Protocol::TCP, ErrorSources::LISTEN_CALL, 500);
continue;
}
clientSocket = accept(listenerTcpSocket, reinterpret_cast<sockaddr*>(&clientSockAddr),
&connectorSockAddrLen);
if(clientSocket == INVALID_SOCKET) {
handleError(Protocol::TCP, ErrorSources::ACCEPT_CALL, 500);
continue;
};
retval = recv(clientSocket, reinterpret_cast<char*>(receptionBuffer.data()),
receptionBuffer.size(), 0);
if(retval > 0) {
#if FSFW_TCP_RCV_WIRETAPPING_ENABLED == 1
sif::info << "TcWinTcpServer::performOperation: Received " << retval << " bytes."
std::endl;
#endif
handleError(Protocol::TCP, ErrorSources::RECV_CALL, 500);
}
else if(retval == 0) {
}
else {
}
/* Done, shut down connection */
retval = shutdown(clientSocket, SD_SEND);
}
return HasReturnvaluesIF::RETURN_OK;
}

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@ -1,47 +0,0 @@
#ifndef FSFW_OSAL_WINDOWS_TCWINTCPSERVER_H_
#define FSFW_OSAL_WINDOWS_TCWINTCPSERVER_H_
#include "../../objectmanager/SystemObject.h"
#include "../../tasks/ExecutableObjectIF.h"
#include <string>
#include <vector>
//! Debugging preprocessor define.
#define FSFW_TCP_RCV_WIRETAPPING_ENABLED 0
/**
* @brief Windows TCP server used to receive telecommands on a Windows Host
* @details
* Based on: https://docs.microsoft.com/en-us/windows/win32/winsock/complete-server-code
*/
class TcWinTcpServer:
public SystemObject,
public ExecutableObjectIF {
public:
/* The ports chosen here should not be used by any other process. */
static const std::string DEFAULT_TCP_SERVER_PORT;
static const std::string DEFAULT_TCP_CLIENT_PORT;
TcWinTcpServer(object_id_t objectId, object_id_t tmtcUnixUdpBridge,
std::string customTcpServerPort = "");
virtual~ TcWinTcpServer();
ReturnValue_t initialize() override;
ReturnValue_t performOperation(uint8_t opCode) override;
private:
std::string tcpPort;
SOCKET listenerTcpSocket = 0;
struct sockaddr_in tcpAddress;
int tcpAddrLen = sizeof(tcpAddress);
int currentBacklog = 3;
std::vector<uint8_t> receptionBuffer;
int tcpSockOpt = 0;
};
#endif /* FSFW_OSAL_WINDOWS_TCWINTCPSERVER_H_ */

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#include "TcWinUdpPollingTask.h"
#include "tcpipHelpers.h"
#include "../../globalfunctions/arrayprinter.h"
#include "../../serviceinterface/ServiceInterfaceStream.h"
#include <winsock2.h>
//! Debugging preprocessor define.
#define FSFW_UDP_RCV_WIRETAPPING_ENABLED 0
TcWinUdpPollingTask::TcWinUdpPollingTask(object_id_t objectId,
object_id_t tmtcUnixUdpBridge, size_t frameSize,
double timeoutSeconds): SystemObject(objectId),
tmtcBridgeId(tmtcUnixUdpBridge) {
if(frameSize > 0) {
this->frameSize = frameSize;
}
else {
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! */
receptionBuffer.reserve(this->frameSize);
receptionBuffer.resize(this->frameSize);
if(timeoutSeconds == -1) {
receptionTimeout = DEFAULT_TIMEOUT;
}
else {
receptionTimeout = timevalOperations::toTimeval(timeoutSeconds);
}
}
TcWinUdpPollingTask::~TcWinUdpPollingTask() {}
ReturnValue_t TcWinUdpPollingTask::performOperation(uint8_t opCode) {
/* Sender Address is cached here. */
struct sockaddr_in senderAddress;
int senderAddressSize = sizeof(senderAddress);
/* Poll for new UDP datagrams in permanent loop. */
while(true) {
int bytesReceived = recvfrom(
serverUdpSocket,
reinterpret_cast<char*>(receptionBuffer.data()),
frameSize,
receptionFlags,
reinterpret_cast<sockaddr*>(&senderAddress),
&senderAddressSize
);
if(bytesReceived == SOCKET_ERROR) {
/* Handle error */
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcWinUdpPollingTask::performOperation: Reception error." << std::endl;
#endif
tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::RECVFROM_CALL, 1000);
continue;
}
#if FSFW_CPP_OSTREAM_ENABLED == 1 && FSFW_UDP_RCV_WIRETAPPING_ENABLED == 1
sif::debug << "TcWinUdpPollingTask::performOperation: " << bytesReceived <<
" bytes received" << std::endl;
#endif
ReturnValue_t result = handleSuccessfullTcRead(bytesReceived);
if(result != HasReturnvaluesIF::RETURN_FAILED) {
}
tmtcBridge->checkAndSetClientAddress(senderAddress);
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TcWinUdpPollingTask::handleSuccessfullTcRead(size_t bytesRead) {
store_address_t storeId;
#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::warning<< "TcWinUdpPollingTask::transferPusToSoftwareBus: Data storage failed." <<
std::endl;
sif::warning << "Packet size: " << bytesRead << std::endl;
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
return HasReturnvaluesIF::RETURN_FAILED;
}
TmTcMessage message(storeId);
result = MessageQueueSenderIF::sendMessage(targetTcDestination, &message);
if (result != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TcWinUdpPollingTask::handleSuccessfullTcRead: "
" Sending message to queue failed" << std::endl;
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
tcStore->deleteData(storeId);
}
return result;
}
ReturnValue_t TcWinUdpPollingTask::initialize() {
tcStore = objectManager->get<StorageManagerIF>(objects::TC_STORE);
if (tcStore == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcWinUdpPollingTask::initialize: TC store uninitialized!" << std::endl;
#endif
return ObjectManagerIF::CHILD_INIT_FAILED;
}
tmtcBridge = objectManager->get<TmTcWinUdpBridge>(tmtcBridgeId);
if(tmtcBridge == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcWinUdpPollingTask::initialize: Invalid TMTC bridge object!" <<
std::endl;
#endif
return ObjectManagerIF::CHILD_INIT_FAILED;
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TcWinUdpPollingTask::initializeAfterTaskCreation() {
/* 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;
}
void TcWinUdpPollingTask::setTimeout(double timeoutSeconds) {
DWORD timeoutMs = timeoutSeconds * 1000.0;
int result = setsockopt(serverUdpSocket, SOL_SOCKET, SO_RCVTIMEO,
reinterpret_cast<const char*>(&timeoutMs), sizeof(DWORD));
if(result == -1) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TcWinUdpPollingTask::TcSocketPollingTask: Setting "
"receive timeout failed with " << strerror(errno) << std::endl;
#endif
}
}

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#ifndef FSFW_OSAL_WINDOWS_TCSOCKETPOLLINGTASK_H_
#define FSFW_OSAL_WINDOWS_TCSOCKETPOLLINGTASK_H_
#include "TmTcWinUdpBridge.h"
#include "../../objectmanager/SystemObject.h"
#include "../../tasks/ExecutableObjectIF.h"
#include "../../storagemanager/StorageManagerIF.h"
#include <vector>
/**
* @brief This class can be used to implement the polling of a Unix socket,
* using UDP for now.
* @details
* The task will be blocked while the specified number of bytes has not been
* received, so TC reception is handled inside a separate task.
* This class caches the IP address of the sender. It is assumed there
* is only one sender for now.
*/
class TcWinUdpPollingTask: public SystemObject,
public ExecutableObjectIF {
friend class TmTcWinUdpBridge;
public:
static constexpr size_t DEFAULT_MAX_FRAME_SIZE = 2048;
//! 0.5 default milliseconds timeout for now.
static constexpr timeval DEFAULT_TIMEOUT = {0, 500};
TcWinUdpPollingTask(object_id_t objectId, object_id_t tmtcUnixUdpBridge,
size_t frameSize = 0, double timeoutSeconds = -1);
virtual~ TcWinUdpPollingTask();
/**
* Turn on optional timeout for UDP polling. In the default mode,
* the receive function will block until a packet is received.
* @param timeoutSeconds
*/
void setTimeout(double timeoutSeconds);
virtual ReturnValue_t performOperation(uint8_t opCode) override;
virtual ReturnValue_t initialize() override;
virtual ReturnValue_t initializeAfterTaskCreation() override;
protected:
StorageManagerIF* tcStore = nullptr;
private:
//! TMTC bridge is cached.
object_id_t tmtcBridgeId = objects::NO_OBJECT;
TmTcWinUdpBridge* tmtcBridge = nullptr;
MessageQueueId_t targetTcDestination = MessageQueueIF::NO_QUEUE;
//! See: https://docs.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-recvfrom
int receptionFlags = 0;
//! Server socket, which is member of TMTC bridge.
//! Will be cached shortly after SW intialization.
SOCKET serverUdpSocket = 0;
std::vector<uint8_t> receptionBuffer;
size_t frameSize = 0;
timeval receptionTimeout;
ReturnValue_t handleSuccessfullTcRead(size_t bytesRead);
};
#endif /* FRAMEWORK_OSAL_LINUX_TCSOCKETPOLLINGTASK_H_ */

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#include "TmTcWinUdpBridge.h"
#include "tcpipHelpers.h"
#include <fsfw/serviceinterface/ServiceInterface.h>
#include <fsfw/ipc/MutexGuard.h>
#include <ws2tcpip.h>
//! Debugging preprocessor define.
#define FSFW_UDP_SEND_WIRETAPPING_ENABLED 0
const std::string TmTcWinUdpBridge::DEFAULT_UDP_SERVER_PORT = tcpip::DEFAULT_UDP_SERVER_PORT;
TmTcWinUdpBridge::TmTcWinUdpBridge(object_id_t objectId, object_id_t tcDestination,
object_id_t tmStoreId, object_id_t tcStoreId, std::string udpServerPort):
TmTcBridge(objectId, tcDestination, tmStoreId, tcStoreId) {
if(udpServerPort == "") {
this->udpServerPort = DEFAULT_UDP_SERVER_PORT;
}
else {
this->udpServerPort = udpServerPort;
}
mutex = MutexFactory::instance()->createMutex();
communicationLinkUp = false;
}
ReturnValue_t TmTcWinUdpBridge::initialize() {
ReturnValue_t result = TmTcBridge::initialize();
if(result != HasReturnvaluesIF::RETURN_OK) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcWinUdpBridge::initialize: TmTcBridge initialization failed!"
<< std::endl;
#endif
return result;
}
/* Initiates Winsock DLL. */
WSAData wsaData;
WORD wVersionRequested = MAKEWORD(2, 2);
int err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
/* Tell the user that we could not find a usable */
/* Winsock DLL. */
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcWinUdpBridge::TmTcWinUdpBridge: WSAStartup failed with error: " <<
err << std::endl;
#else
sif::printError("TmTcWinUdpBridge::TmTcWinUdpBridge: WSAStartup failed with error: %d\n",
err);
#endif
return HasReturnvaluesIF::RETURN_FAILED;
}
struct addrinfo *addrResult = nullptr;
struct addrinfo hints;
ZeroMemory(&hints, sizeof (hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
/* See:
https://docs.microsoft.com/en-us/windows/win32/api/ws2tcpip/nf-ws2tcpip-getaddrinfo
for information about AI_PASSIVE. */
hints.ai_flags = AI_PASSIVE;
/* Set up UDP socket:
https://en.wikipedia.org/wiki/Getaddrinfo
Passing nullptr as the first parameter and specifying AI_PASSIVE in hints will cause
getaddrinfo to assign the address 0.0.0.0 (any address) */
int retval = getaddrinfo(nullptr, udpServerPort.c_str(), &hints, &addrResult);
if (retval != 0) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TmTcWinUdpBridge::TmTcWinUdpBridge: Retrieving address info failed!" <<
std::endl;
#endif
return HasReturnvaluesIF::RETURN_FAILED;
}
serverSocket = socket(addrResult->ai_family, addrResult->ai_socktype, addrResult->ai_protocol);
if(serverSocket == INVALID_SOCKET) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TmTcWinUdpBridge::TmTcWinUdpBridge: Could not open UDP socket!" <<
std::endl;
#endif
freeaddrinfo(addrResult);
tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::SOCKET_CALL);
return HasReturnvaluesIF::RETURN_FAILED;
}
retval = bind(serverSocket, addrResult->ai_addr, static_cast<int>(addrResult->ai_addrlen));
if(retval != 0) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcWinUdpBridge::TmTcWinUdpBridge: Could not bind "
"local port (" << udpServerPort << ") to server socket!" << std::endl;
#endif
freeaddrinfo(addrResult);
tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::BIND_CALL);
}
freeaddrinfo(addrResult);
return HasReturnvaluesIF::RETURN_OK;
}
TmTcWinUdpBridge::~TmTcWinUdpBridge() {
if(mutex != nullptr) {
MutexFactory::instance()->deleteMutex(mutex);
}
closesocket(serverSocket);
WSACleanup();
}
ReturnValue_t TmTcWinUdpBridge::sendTm(const uint8_t *data, size_t dataLen) {
int flags = 0;
/* The target address can be set by different threads so this lock ensures thread-safety */
MutexGuard lock(mutex, timeoutType, mutexTimeoutMs);
#if FSFW_CPP_OSTREAM_ENABLED == 1 && FSFW_UDP_SEND_WIRETAPPING_ENABLED == 1
char ipAddress [15];
sif::debug << "IP Address Sender: "<< inet_ntop(AF_INET,
&clientAddress.sin_addr.s_addr, ipAddress, 15) << std::endl;
#endif
int bytesSent = sendto(
serverSocket,
reinterpret_cast<const char*>(data),
dataLen,
flags,
reinterpret_cast<sockaddr*>(&clientAddress),
clientAddressLen
);
if(bytesSent == SOCKET_ERROR) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "TmTcWinUdpBridge::sendTm: Send operation failed." << std::endl;
#endif
tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::SENDTO_CALL);
}
#if FSFW_CPP_OSTREAM_ENABLED == 1 && FSFW_UDP_SEND_WIRETAPPING_ENABLED == 1
sif::debug << "TmTcUnixUdpBridge::sendTm: " << bytesSent << " bytes were"
" sent." << std::endl;
#endif
return HasReturnvaluesIF::RETURN_OK;
}
void TmTcWinUdpBridge::checkAndSetClientAddress(sockaddr_in& newAddress) {
/* The target address can be set by different threads so this lock ensures thread-safety */
MutexGuard lock(mutex, timeoutType, mutexTimeoutMs);
#if FSFW_CPP_OSTREAM_ENABLED == 1 && FSFW_UDP_SEND_WIRETAPPING_ENABLED == 1
char ipAddress [15];
sif::debug << "IP Address Sender: "<< inet_ntop(AF_INET,
&newAddress.sin_addr.s_addr, ipAddress, 15) << std::endl;
sif::debug << "IP Address Old: " << inet_ntop(AF_INET,
&clientAddress.sin_addr.s_addr, ipAddress, 15) << std::endl;
#endif
registerCommConnect();
/* Set new IP address to reply to */
clientAddress = newAddress;
clientAddressLen = sizeof(clientAddress);
}
void TmTcWinUdpBridge::setMutexProperties(MutexIF::TimeoutType timeoutType,
dur_millis_t timeoutMs) {
this->timeoutType = timeoutType;
this->mutexTimeoutMs = timeoutMs;
}

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#ifndef FSFW_OSAL_WINDOWS_TMTCWINUDPBRIDGE_H_
#define FSFW_OSAL_WINDOWS_TMTCWINUDPBRIDGE_H_
#include "../../tmtcservices/TmTcBridge.h"
#include <string>
#include <winsock2.h>
class TmTcWinUdpBridge: public TmTcBridge {
friend class TcWinUdpPollingTask;
public:
/* The ports chosen here should not be used by any other process. */
static const std::string DEFAULT_UDP_SERVER_PORT;
TmTcWinUdpBridge(object_id_t objectId, object_id_t tcDestination,
object_id_t tmStoreId, object_id_t tcStoreId, std::string udpServerPort = "");
virtual~ TmTcWinUdpBridge();
/**
* Set properties of internal mutex.
*/
void setMutexProperties(MutexIF::TimeoutType timeoutType, dur_millis_t timeoutMs);
ReturnValue_t initialize() override;
void checkAndSetClientAddress(sockaddr_in& clientAddress);
protected:
virtual ReturnValue_t sendTm(const uint8_t * data, size_t dataLen) override;
private:
SOCKET serverSocket = 0;
std::string udpServerPort;
struct sockaddr_in clientAddress;
int clientAddressLen = 0;
//! Access to the client address is mutex protected as it is set by another task.
MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING;
dur_millis_t mutexTimeoutMs = 20;
MutexIF* mutex;
};
#endif /* FSFW_OSAL_HOST_TMTCWINUDPBRIDGE_H_ */

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#include "tcpipHelpers.h"
#include "../common/tcpipHelpers.h"
#include <FSFWConfig.h>
#include "../../tasks/TaskFactory.h"

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#ifndef FSFW_OSAL_WINDOWS_TCPIPHELPERS_H_
#define FSFW_OSAL_WINDOWS_TCPIPHELPERS_H_
#include "../../timemanager/clockDefinitions.h"
#include "../common/tcpipCommon.h"
namespace tcpip {
void handleError(Protocol protocol, ErrorSources errorSrc, dur_millis_t sleepDuration = 0);
}
#endif /* FSFW_OSAL_WINDOWS_TCPIPHELPERS_H_ */