fsfw/osal/linux/TmTcUnixUdpBridge.cpp

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#include <framework/osal/linux/TmTcUnixUdpBridge.h>
#include <framework/serviceinterface/ServiceInterfaceStream.h>
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#include <errno.h>
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TmTcUnixUdpBridge::TmTcUnixUdpBridge(object_id_t objectId,
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object_id_t ccsdsPacketDistributor, uint16_t serverPort,
uint16_t clientPort):
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TmTcBridge(objectId, ccsdsPacketDistributor) {
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uint16_t setServerPort = DEFAULT_UDP_SERVER_PORT;
if(serverPort != 0xFFFF) {
setServerPort = serverPort;
}
uint16_t setClientPort = DEFAULT_UDP_CLIENT_PORT;
if(clientPort != 0xFFFF) {
setClientPort = clientPort;
}
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serverSocket = socket(AF_INET, SOCK_DGRAM, 0);
if(socket < 0) {
sif::error << "TmTcUnixUdpBridge::TmTcUnixUdpBridge: Could not open"
" UDP socket!" << std::endl;
// check errno here.
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handleSocketError();
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return;
}
serverAddress.sin_family = AF_INET;
serverAddress.sin_addr.s_addr = htonl(INADDR_ANY);
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serverAddress.sin_port = htons(setServerPort);
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setsockopt(serverSocket, SOL_SOCKET, SO_REUSEADDR, &serverSocketOptions,
sizeof(serverSocketOptions));
int result = bind(serverSocket,
reinterpret_cast<struct sockaddr*>(&serverAddress),
sizeof(serverAddress));
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if(result == -1) {
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sif::error << "TmTcUnixUdpBridge::TmTcUnixUdpBridge: Could not bind "
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"local port " << setServerPort << " to server socket!"
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<< std::endl;
// check errno here.
return;
}
}
TmTcUnixUdpBridge::~TmTcUnixUdpBridge() {
}
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ReturnValue_t TmTcUnixUdpBridge::handleTc() {
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TmTcUnixUdpBridge::receiveTc(uint8_t **recvBuffer, size_t *size) {
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t TmTcUnixUdpBridge::sendTm(const uint8_t *data, size_t dataLen) {
return HasReturnvaluesIF::RETURN_OK;
}
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void TmTcUnixUdpBridge::handleSocketError() {
// See: https://man7.org/linux/man-pages/man2/socket.2.html
switch(errno) {
case(EACCES):
case(EINVAL):
case(EMFILE):
case(ENFILE):
case(EAFNOSUPPORT):
case(ENOBUFS):
case(ENOMEM):
case(EPROTONOSUPPORT):
sif::error << "TmTcUnixBridge::TmTcUnixBridge: Socket creation failed"
<< " with " << strerror(errno) << std::endl;
}
}