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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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171
osal/linux/TmTcUnixUdpBridge.cpp
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@ -3,7 +3,6 @@
#include "../../serviceinterface/ServiceInterface.h"
#include "../../ipc/MutexGuard.h"
#include <errno.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netdb.h>
@ -11,7 +10,7 @@
#include <cstring>
//! Debugging preprocessor define.
#define FSFW_UDP_RCV_WIRETAPPING_ENABLED 1
#define FSFW_UDP_SEND_WIRETAPPING_ENABLED 0
const std::string TmTcUnixUdpBridge::DEFAULT_UDP_SERVER_PORT = "7301";
const std::string TmTcUnixUdpBridge::DEFAULT_UDP_CLIENT_PORT = "7302";
@ -52,7 +51,7 @@ ReturnValue_t TmTcUnixUdpBridge::initialize() {
struct addrinfo *addrResult = nullptr;
struct addrinfo hints;
std::memset(hints, 0, sizeof(hints));
std::memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
@ -82,36 +81,18 @@ ReturnValue_t TmTcUnixUdpBridge::initialize() {
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
freeaddrinfo(addrResult);
handleError(Protocol::UDP, ErrorSources::SOCKET_CALL);
handleSocketError();
return HasReturnvaluesIF::RETURN_FAILED;
}
serverAddress.sin_family = AF_INET;
// Accept packets from any interface.
//serverAddress.sin_addr.s_addr = inet_addr("127.73.73.0");
serverAddress.sin_addr.s_addr = htonl(INADDR_ANY);
serverAddress.sin_port = htons(setServerPort);
serverAddressLen = sizeof(serverAddress);
setsockopt(serverSocket, SOL_SOCKET, SO_REUSEADDR, &serverSocketOptions,
sizeof(serverSocketOptions));
clientAddress.sin_family = AF_INET;
clientAddress.sin_addr.s_addr = htonl(INADDR_ANY);
clientAddress.sin_port = htons(setClientPort);
clientAddressLen = sizeof(clientAddress);
int result = bind(serverSocket,
reinterpret_cast<struct sockaddr*>(&serverAddress),
serverAddressLen);
if(result == -1) {
retval = bind(serverSocket, addrResult->ai_addr, static_cast<int>(addrResult->ai_addrlen));
if(retval != 0) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixUdpBridge::TmTcUnixUdpBridge: Could not bind "
"local port " << setServerPort << " to server socket!"
<< std::endl;
sif::warning << "TmTcWinUdpBridge::TmTcWinUdpBridge: Could not bind "
"local port (" << udpServerPort << ") to server socket!" << std::endl;
#endif
handleBindError();
return;
freeaddrinfo(addrResult);
handleError(Protocol::UDP, ErrorSources::BIND_CALL);
return HasReturnvaluesIF::RETURN_FAILED;
}
return HasReturnvaluesIF::RETURN_OK;
@ -131,133 +112,57 @@ ReturnValue_t TmTcUnixUdpBridge::sendTm(const uint8_t *data, size_t dataLen) {
if(ipAddrAnySet){
clientAddress.sin_addr.s_addr = htons(INADDR_ANY);
//clientAddress.sin_addr.s_addr = inet_addr("127.73.73.1");
// clientAddress.sin_addr.s_addr = inet_addr("127.73.73.1");
clientAddressLen = sizeof(serverAddress);
}
// char ipAddress [15];
#if FSFW_CPP_OSTREAM_ENABLED == 1
// sif::debug << "IP Address Sender: "<< inet_ntop(AF_INET,
// &clientAddress.sin_addr.s_addr, ipAddress, 15) << std::endl;
#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
ssize_t bytesSent = sendto(serverSocket, data, dataLen, flags,
reinterpret_cast<sockaddr*>(&clientAddress), clientAddressLen);
ssize_t bytesSent = sendto(
serverSocket,
data,
dataLen,
flags,
reinterpret_cast<sockaddr*>(&clientAddress),
clientAddressLen
);
if(bytesSent < 0) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixUdpBridge::sendTm: Send operation failed."
<< std::endl;
sif::warning << "TmTcUnixUdpBridge::sendTm: Send operation failed." << std::endl;
#endif
handleSendError();
tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::SENDTO_CALL);
}
#if FSFW_CPP_OSTREAM_ENABLED == 1
// sif::debug << "TmTcUnixUdpBridge::sendTm: " << bytesSent << " bytes were"
// " sent." << std::endl;
#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 TmTcUnixUdpBridge::checkAndSetClientAddress(sockaddr_in& newAddress) {
MutexGuard lock(mutex, MutexIF::TimeoutType::WAITING, 10);
// char ipAddress [15];
#if FSFW_CPP_OSTREAM_ENABLED == 1
// 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;
#if FSFW_CPP_OSTREAM_ENABLED == 1 && FSFW_UDP_RCV_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 if it has changed.
/* Set new IP address if it has changed. */
if(clientAddress.sin_addr.s_addr != newAddress.sin_addr.s_addr) {
clientAddress.sin_addr.s_addr = newAddress.sin_addr.s_addr;
clientAddress = newAddress;
clientAddressLen = sizeof(clientAddress);
}
}
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):
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixBridge::handleSocketError: Socket creation failed"
<< " with " << strerror(errno) << std::endl;
#endif
break;
default:
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixBridge::handleSocketError: Unknown error"
<< std::endl;
#endif
break;
}
}
void TmTcUnixUdpBridge::handleBindError() {
// See: https://man7.org/linux/man-pages/man2/bind.2.html
switch(errno) {
case(EACCES): {
/*
Ephermeral ports can be shown with following command:
sysctl -A | grep ip_local_port_range
*/
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixBridge::handleBindError: Port access issue."
"Ports 1-1024 are reserved on UNIX systems and require root "
"rights while ephermeral ports should not be used as well."
<< std::endl;
#endif
}
break;
case(EADDRINUSE):
case(EBADF):
case(EINVAL):
case(ENOTSOCK):
case(EADDRNOTAVAIL):
case(EFAULT):
case(ELOOP):
case(ENAMETOOLONG):
case(ENOENT):
case(ENOMEM):
case(ENOTDIR):
case(EROFS): {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixBridge::handleBindError: Socket creation failed"
<< " with " << strerror(errno) << std::endl;
#endif
break;
}
default:
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixBridge::handleBindError: Unknown error"
<< std::endl;
#endif
break;
}
}
void TmTcUnixUdpBridge::handleSendError() {
switch(errno) {
default: {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "TmTcUnixBridge::handleSendError: "
<< strerror(errno) << std::endl;
#else
sif::printError("TmTcUnixBridge::handleSendError: %s\n",
strerror(errno));
#endif
}
}
}
void TmTcUnixUdpBridge::setClientAddressToAny(bool ipAddrAnySet){
this->ipAddrAnySet = ipAddrAnySet;
}