UDP and TCPIP smaller tweaks

Using AI_PASSIVE now so the UDP server listens to all
addresses (0.0.0.0) instead of just localhost.
Also implemented address print function properly

osal/common/TcpTmTcServer.cpp

@@ -70,6 +70,7 @@ ReturnValue_t TcpTmTcServer::initialize() {
 #endif
         freeaddrinfo(addrResult);
         handleError(Protocol::TCP, ErrorSources::BIND_CALL);
+        return HasReturnvaluesIF::RETURN_FAILED;
     }
 
     freeaddrinfo(addrResult);
@@ -84,8 +85,8 @@ TcpTmTcServer::~TcpTmTcServer() {
 ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
     using namespace tcpip;
     /* If a connection is accepted, the corresponding socket will be assigned to the new socket */
-    socket_t clientSocket;
-    sockaddr clientSockAddr;
+    socket_t clientSocket = 0;
+    sockaddr clientSockAddr = {};
     socklen_t connectorSockAddrLen = 0;
     int retval = 0;
 
@@ -101,6 +102,7 @@ ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
 
         if(clientSocket == INVALID_SOCKET) {
             handleError(Protocol::TCP, ErrorSources::ACCEPT_CALL, 500);
+            closeSocket(clientSocket);
             continue;
         };
 
@@ -122,6 +124,7 @@ ReturnValue_t TcpTmTcServer::performOperation(uint8_t opCode) {
 
         /* Done, shut down connection */
         retval = shutdown(clientSocket, SHUT_SEND);
+        closeSocket(clientSocket);
     }
     return HasReturnvaluesIF::RETURN_OK;
 }

osal/common/UdpTcPollingTask.cpp

@@ -15,7 +15,7 @@
 #endif
 
 //! Debugging preprocessor define.
-#define FSFW_UDP_RCV_WIRETAPPING_ENABLED    0
+#define FSFW_UDP_RECV_WIRETAPPING_ENABLED    0
 
 UdpTcPollingTask::UdpTcPollingTask(object_id_t objectId,
         object_id_t tmtcUnixUdpBridge, size_t maxRecvSize,
@@ -66,10 +66,13 @@ ReturnValue_t UdpTcPollingTask::performOperation(uint8_t opCode) {
             tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::RECVFROM_CALL, 1000);
             continue;
         }
-#if FSFW_CPP_OSTREAM_ENABLED == 1 && FSFW_UDP_RCV_WIRETAPPING_ENABLED == 1
+#if FSFW_UDP_RECV_WIRETAPPING_ENABLED == 1
+#if FSFW_CPP_OSTREAM_ENABLED == 1
         sif::debug << "UdpTcPollingTask::performOperation: " << bytesReceived <<
                 " bytes received" << std::endl;
+#else
 #endif
+#endif /* FSFW_UDP_RCV_WIRETAPPING_ENABLED == 1 */
 
         ReturnValue_t result = handleSuccessfullTcRead(bytesReceived);
         if(result != HasReturnvaluesIF::RETURN_FAILED) {
@@ -84,7 +87,7 @@ ReturnValue_t UdpTcPollingTask::performOperation(uint8_t opCode) {
 ReturnValue_t UdpTcPollingTask::handleSuccessfullTcRead(size_t bytesRead) {
     store_address_t storeId;
 
-#if FSFW_UDP_RCV_WIRETAPPING_ENABLED == 1
+#if FSFW_UDP_RECV_WIRETAPPING_ENABLED == 1
     arrayprinter::print(receptionBuffer.data(), bytesRead);
 #endif
 

osal/common/UdpTmTcBridge.cpp

@@ -70,6 +70,7 @@ ReturnValue_t UdpTmTcBridge::initialize() {
     hints.ai_family = AF_INET;
     hints.ai_socktype = SOCK_DGRAM;
     hints.ai_protocol = IPPROTO_UDP;
+    hints.ai_flags = AI_PASSIVE;
 
     /* Set up UDP socket:
     https://en.wikipedia.org/wiki/Getaddrinfo
@@ -95,6 +96,10 @@ ReturnValue_t UdpTmTcBridge::initialize() {
         return HasReturnvaluesIF::RETURN_FAILED;
     }
 
+#if FSFW_UDP_SEND_WIRETAPPING_ENABLED == 1
+    tcpip::printAddress(addrResult->ai_addr);
+#endif
+
     retval = bind(serverSocket, addrResult->ai_addr, static_cast<int>(addrResult->ai_addrlen));
     if(retval != 0) {
 #if FSFW_CPP_OSTREAM_ENABLED == 1
@@ -103,6 +108,7 @@ ReturnValue_t UdpTmTcBridge::initialize() {
 #endif
         freeaddrinfo(addrResult);
         tcpip::handleError(tcpip::Protocol::UDP, tcpip::ErrorSources::BIND_CALL);
+        return HasReturnvaluesIF::RETURN_FAILED;
     }
     freeaddrinfo(addrResult);
     return HasReturnvaluesIF::RETURN_OK;
@@ -120,10 +126,8 @@ ReturnValue_t UdpTmTcBridge::sendTm(const uint8_t *data, size_t dataLen) {
     /* 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;
+#if FSFW_UDP_SEND_WIRETAPPING_ENABLED == 1
+    tcpip::printAddress(&clientAddress);
 #endif
 
     int bytesSent = sendto(
@@ -151,13 +155,11 @@ void UdpTmTcBridge::checkAndSetClientAddress(sockaddr& 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;
+#if FSFW_UDP_SEND_WIRETAPPING_ENABLED == 1
+    tcpip::printAddress(&newAddress);
+    tcpip::printAddress(&clientAddress);
 #endif
+
     registerCommConnect();
 
     /* Set new IP address to reply to */

osal/common/tcpipCommon.cpp

@@ -1,4 +1,9 @@
 #include "tcpipCommon.h"
+#include <fsfw/serviceinterface/ServiceInterface.h>
+
+#ifdef _WIN32
+#include <ws2tcpip.h>
+#endif
 
 void tcpip::determineErrorStrings(Protocol protocol, ErrorSources errorSrc, std::string &protStr,
         std::string &srcString) {
@@ -34,3 +39,37 @@ void tcpip::determineErrorStrings(Protocol protocol, ErrorSources errorSrc, std:
         srcString = "unknown call";
     }
 }
+
+void tcpip::printAddress(struct sockaddr* addr) {
+    char ipAddress[INET6_ADDRSTRLEN] = {};
+    const char* stringPtr = NULL;
+    switch(addr->sa_family) {
+    case AF_INET: {
+        struct sockaddr_in *addrIn = reinterpret_cast<struct sockaddr_in*>(addr);
+        stringPtr = inet_ntop(AF_INET, &(addrIn->sin_addr), ipAddress, INET_ADDRSTRLEN);
+        break;
+    }
+    case AF_INET6: {
+        struct sockaddr_in6 *addrIn = reinterpret_cast<struct sockaddr_in6*>(addr);
+        stringPtr = inet_ntop(AF_INET6, &(addrIn->sin6_addr), ipAddress, INET6_ADDRSTRLEN);
+        break;
+    }
+    }
+#if FSFW_CPP_OSTREAM_ENABLED == 1
+    if(stringPtr == NULL) {
+        sif::debug << "Could not convert IP address to text representation, error code "
+                << errno << std::endl;
+    }
+    else {
+        sif::debug << "IP Address Sender: " <<  ipAddress << std::endl;
+    }
+#else
+    if(stringPtr == NULL) {
+        sif::printDebug("Could not convert IP address to text representation, error code %d\n",
+                errno);
+    }
+    else {
+        sif::printDebug("IP Address Sender: %s\n", ipAddress);
+    }
+#endif
+}

osal/common/tcpipCommon.h

@@ -4,6 +4,13 @@
 #include "../../timemanager/clockDefinitions.h"
 #include <string>
 
+#ifdef _WIN32
+#include <winsock2.h>
+#else
+#include <netdb.h>
+#include <arpa/inet.h>
+#endif
+
 namespace tcpip {
 
 const char* const DEFAULT_SERVER_PORT = "7301";
@@ -28,8 +35,8 @@ enum class ErrorSources {
 void determineErrorStrings(Protocol protocol, ErrorSources errorSrc, std::string& protStr,
         std::string& srcString);
 
+void printAddress(struct sockaddr* addr);
+
 }
 
-
-
 #endif /* FSFW_OSAL_COMMON_TCPIPCOMMON_H_ */