Removed CPU dependency
[ric-plt/e2.git] / RIC-E2-TERMINATION / sctpThread.cpp
index a013142..b0f58ab 100644 (file)
@@ -32,6 +32,7 @@
 #include <sys/inotify.h>
 #include <errno.h>
 #include <sys/stat.h>
+#include <arpa/inet.h>
 
 using namespace std;
 //using namespace std::placeholders;
@@ -47,6 +48,7 @@ using namespace prometheus;
 // need to expose without the include of gcov
 extern "C" void __gcov_flush(void);
 #define LOG_FILE_CONFIG_MAP "CONFIG_MAP_NAME"
+#define E2AP_PPID 70 // as per E2GAP chapter 6.1
 
 static void catch_function(int signal) {
     __gcov_flush();
@@ -57,9 +59,25 @@ static void catch_function(int signal) {
 BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT(my_logger, src::logger_mt)
 
 boost::shared_ptr<sinks::synchronous_sink<sinks::text_file_backend>> boostLogger;
-double cpuClock = 0.0;
+// double cpuClock = 0.0;
 bool jsonTrace = false;
 
+char* getinterfaceip()
+{
+   char hostname[256];
+   char *IP;
+   struct hostent *host_entry;
+   int retVal;
+   retVal = gethostname(hostname, sizeof(hostname));
+   if ( retVal == -1 )
+       return NULL;
+   host_entry = gethostbyname(hostname);
+   if ( host_entry == NULL )
+       return NULL;
+   IP = inet_ntoa(*((struct in_addr*) host_entry->h_addr_list[0]));
+   return IP;
+}
+
 
 static int enable_log_change_notify(const char* fileName)
 {
@@ -79,7 +97,7 @@ static int register_log_change_notify(const char *fileName)
     pthread_t tid;
     pthread_attr_init(&cb_attr);
     pthread_attr_setdetachstate(&cb_attr,PTHREAD_CREATE_DETACHED);
-    return pthread_create(&tid, &cb_attr,&monitor_loglevel_change_handler,(void *)strdup(fileName));
+    return pthread_create(&tid, &cb_attr,&monitor_loglevel_change_handler,(void *)fileName);
 }
 
 
@@ -92,19 +110,17 @@ static void * monitor_loglevel_change_handler(void* arg)
     char rbuf[4096];           // large read buffer as the event is var len
     fd_set fds;
     int res = 0;
-    struct timeval timeout;
     char* dname=NULL;          // directory name
     char* bname = NULL;        // basename
     char* tok=NULL;
     char* log_level=NULL;
 
-    dname = strdup( fileName); // defrock the file name into dir and basename
+    dname = strdup( fileName ); // defrock the file name into dir and basename
     if( (tok = strrchr( dname, '/' )) != NULL ) {
         *tok = '\0';
         bname = strdup( tok+1 );
     }
 
-
     ifd = inotify_init1( 0 ); // initialise watcher setting blocking read (no option)
     if( ifd < 0 ) {
         fprintf( stderr, "### ERR ### unable to initialise file watch %s\n", strerror( errno ) );
@@ -114,29 +130,31 @@ static void * monitor_loglevel_change_handler(void* arg)
         if( wfd < 0 ) {
             fprintf( stderr, "### ERR ### unable to add watch on config file %s: %s\n", fileName, strerror( errno ) );
         } else {
-           
 
-            memset( &timeout, 0, sizeof(timeout) );
+            FD_ZERO (&fds);
+            FD_SET (ifd, &fds);
             while( 1 ) {
-                FD_ZERO (&fds);
-                FD_SET (ifd, &fds);
-                timeout.tv_sec=1;
-                res = select (ifd + 1, &fds, NULL, NULL, &timeout);
+                res = select (ifd + 1, &fds, NULL, NULL, NULL);
                 if(res)
                 {
                     n = read( ifd, rbuf, sizeof( rbuf ) ); // read the event
                     if( n < 0  ) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
                         if( errno == EAGAIN ) {
                         } else {
                             fprintf( stderr, "### CRIT ### config listener read err: %s\n", strerror( errno ) );
                         }
                         continue;
+#endif
                     }
 
                     //Retrieving Log Level from configmap by parsing configmap file
                     log_level = parse_file(fileName);
                     update_mdc_log_level_severity(log_level); //setting log level
-                    free(log_level);
+                    if(log_level != NULL) {
+                        mdclog_write(MDCLOG_INFO, "MDC log level updated to %s", log_level);
+                        free(log_level);
+                    }
                 }
             }
             inotify_rm_watch(ifd,wfd);
@@ -145,6 +163,7 @@ static void * monitor_loglevel_change_handler(void* arg)
     }
     free(bname);
     free(dname);
+    free(fileName);
 
     pthread_exit(NULL);
 }
@@ -176,24 +195,52 @@ void  update_mdc_log_level_severity(char* log_level)
 
     mdclog_level_set(level);
 }
+
+/**
+ * @brief Remove leading and trailing spaces from s.
+ *
+ * If the string was allocated dynamically, the caller cannot
+ * overwrite the returned pointer.
+ *
+ * @param s the string we want to remove spaces.
+ * @return Returns a null-terminated substring of "s".
+ */
+static inline char *trim(char *s)
+{
+    char *end;
+    /* skip leading spaces */
+    while (isspace(*s)) s++;
+
+    /* all spaces */
+    if (*s == '\0') return s;
+
+    /* skip trailing spaces */
+    end = s + strlen(s) - 1;
+    while (end > s && isspace(*end)) end--;
+
+    /* write null character */
+    *(end+1) = '\0';
+
+    return s;
+}
+
 static char* parse_file(char* filename)
 {
     char *token=NULL;
-    char *search = ": ";
-    char *string_match = "log-level";
     bool found = false;
     FILE *file = fopen ( filename, "r" );
+
     if ( file != NULL )
     {
         char line [ 128 ];
-        while ( fgets ( line, sizeof line, file ) != NULL )
+        while ( fgets ( line, sizeof(line), file ) != NULL )
         {
-            token = strtok(line, search);
-            if(strcmp(token,string_match)==0)
-            {
+            token = strtok(line, ":");
+            token = trim(token);
+            if (strcmp(token,"log-level") == 0) {
                 found = true;
-                token = strtok(NULL, search);
-                token = strtok(token, "\n");//removing newline if any
+                token = strtok(NULL, "\n");
+                token = trim(token);
                 break;
             }
         }
@@ -224,12 +271,11 @@ void dynamic_log_level_change()
     {
         log_level_init = parse_file(logFile_Name);
         update_mdc_log_level_severity(log_level_init); //setting log level
+        mdclog_write(MDCLOG_INFO, "MDC log level set to %s", log_level_init);
         free(log_level_init);
 
     }
     enable_log_change_notify(logFile_Name);
-    free(logFile_Name);
-
 }
 
 void init_log() {
@@ -243,43 +289,57 @@ void init_log() {
     dynamic_log_level_change();
     mdclog_attr_destroy(attr);
 }
-auto start_time = std::chrono::high_resolution_clock::now();
-typedef std::chrono::duration<double, std::ratio<1,1>> seconds_t;
+//auto start_time = std::chrono::high_resolution_clock::now();
+//typedef std::chrono::duration<double, std::ratio<1,1>> seconds_t;
 
-double age() {
-    return seconds_t(std::chrono::high_resolution_clock::now() - start_time).count();
-}
+//double age() {
+//    return seconds_t(std::chrono::high_resolution_clock::now() - start_time).count();
+//}
 
-double approx_CPU_MHz(unsigned sleepTime) {
-    using namespace std::chrono_literals;
-    uint32_t aux = 0;
-    uint64_t cycles_start = rdtscp(aux);
-    double time_start = age();
-    std::this_thread::sleep_for(sleepTime * 1ms);
-    uint64_t elapsed_cycles = rdtscp(aux) - cycles_start;
-    double elapsed_time = age() - time_start;
-    return elapsed_cycles / elapsed_time;
-}
+// If model name in "/proc/cpuinfo" is happens to be "Common KVM processor" then
+// approx_CPU_MHz() results in "SIGILL - Illegal Instruction" signal.
+//
+// double approx_CPU_MHz(unsigned sleepTime) {
+//    using namespace std::chrono_literals;
+//    uint32_t aux = 0;
+//    uint64_t cycles_start = rdtscp(aux);
+//    double time_start = age();
+//    std::this_thread::sleep_for(sleepTime * 1ms);
+//    uint64_t elapsed_cycles = rdtscp(aux) - cycles_start;
+//    double elapsed_time = age() - time_start;
+//    return elapsed_cycles / elapsed_time;
+//}
 
 //std::atomic<int64_t> rmrCounter{0};
 std::atomic<int64_t> num_of_messages{0};
 std::atomic<int64_t> num_of_XAPP_messages{0};
 static long transactionCounter = 0;
+pthread_mutex_t thread_lock;
 
 int buildListeningPort(sctp_params_t &sctpParams) {
     sctpParams.listenFD = socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP);
     if (sctpParams.listenFD <= 0) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "Error Opening socket, %s", strerror(errno));
         return -1;
+#endif
     }
+    struct sctp_initmsg initmsg;
+    memset (&initmsg, 0, sizeof (initmsg));
+    initmsg.sinit_num_ostreams = 2;
+    initmsg.sinit_max_instreams = 2;
+    initmsg.sinit_max_attempts = 4;
+    setsockopt (sctpParams.listenFD, IPPROTO_SCTP, SCTP_INITMSG, &initmsg, sizeof (initmsg));
 
     struct sockaddr_in6 serverAddress {};
     serverAddress.sin6_family = AF_INET6;
     serverAddress.sin6_addr   = in6addr_any;
     serverAddress.sin6_port = htons(sctpParams.sctpPort);
     if (bind(sctpParams.listenFD, (SA *)&serverAddress, sizeof(serverAddress)) < 0 ) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "Error binding port %d. %s", sctpParams.sctpPort, strerror(errno));
         return -1;
+#endif
     }
     if (setSocketNoBlocking(sctpParams.listenFD) == -1) {
         //mdclog_write(MDCLOG_ERR, "Error binding. %s", strerror(errno));
@@ -295,8 +355,10 @@ int buildListeningPort(sctp_params_t &sctpParams) {
     }
 
     if (listen(sctpParams.listenFD, SOMAXCONN) < 0) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "Error listening. %s\n", strerror(errno));
         return -1;
+#endif
     }
     struct epoll_event event {};
     event.events = EPOLLIN | EPOLLET;
@@ -304,9 +366,11 @@ int buildListeningPort(sctp_params_t &sctpParams) {
 
     // add listening port to epoll
     if (epoll_ctl(sctpParams.epoll_fd, EPOLL_CTL_ADD, sctpParams.listenFD, &event)) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         printf("Failed to add descriptor to epoll\n");
         mdclog_write(MDCLOG_ERR, "Failed to add descriptor to epoll. %s\n", strerror(errno));
         return -1;
+#endif
     }
 
     return 0;
@@ -318,31 +382,41 @@ int buildConfiguration(sctp_params_t &sctpParams) {
         const int size = 2048;
         auto fileSize = file_size(p);
         if (fileSize > size) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             mdclog_write(MDCLOG_ERR, "File %s larger than %d", p.string().c_str(), size);
             return -1;
+#endif
         }
     } else {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "Configuration File %s not exists", p.string().c_str());
         return -1;
+#endif
     }
 
     ReadConfigFile conf;
     if (conf.openConfigFile(p.string()) == -1) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "Filed to open config file %s, %s",
                      p.string().c_str(), strerror(errno));
         return -1;
+#endif
     }
     int rmrPort = conf.getIntValue("nano");
     if (rmrPort == -1) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "illegal RMR port ");
         return -1;
+#endif
     }
     sctpParams.rmrPort = (uint16_t)rmrPort;
     snprintf(sctpParams.rmrAddress, sizeof(sctpParams.rmrAddress), "%d", (int) (sctpParams.rmrPort));
     auto tmpStr = conf.getStringValue("volume");
     if (tmpStr.length() == 0) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "illegal volume.");
         return -1;
+#endif
     }
 
     char tmpLogFilespec[VOLUME_URL_SIZE];
@@ -358,21 +432,27 @@ int buildConfiguration(sctp_params_t &sctpParams) {
 
     sctpParams.myIP = conf.getStringValue("local-ip");
     if (sctpParams.myIP.length() == 0) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "illegal local-ip.");
         return -1;
+#endif
     }
 
     int sctpPort = conf.getIntValue("sctp-port");
     if (sctpPort == -1) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "illegal SCTP port ");
         return -1;
+#endif
     }
     sctpParams.sctpPort = (uint16_t)sctpPort;
 
     sctpParams.fqdn = conf.getStringValue("external-fqdn");
     if (sctpParams.fqdn.length() == 0) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "illegal external-fqdn");
         return -1;
+#endif
     }
 
     std::string pod = conf.getStringValue("pod_name");
@@ -397,14 +477,18 @@ int buildConfiguration(sctp_params_t &sctpParams) {
     tmpStr = conf.getStringValue("trace");
     transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
     if ((tmpStr.compare("start")) == 0) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_INFO, "Trace set to: start");
         sctpParams.trace = true;
+#endif
     } else if ((tmpStr.compare("stop")) == 0) {
         mdclog_write(MDCLOG_INFO, "Trace set to: stop");
         sctpParams.trace = false;
     } else {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "Trace was set to wrong value %s, set to stop", tmpStr.c_str());
         sctpParams.trace = false;
+#endif
     }
     jsonTrace = sctpParams.trace;
 
@@ -425,7 +509,6 @@ int buildConfiguration(sctp_params_t &sctpParams) {
 
     if (mdclog_level_get() >= MDCLOG_INFO) {
         mdclog_write(MDCLOG_DEBUG,"RMR Port: %s", to_string(sctpParams.rmrPort).c_str());
-        mdclog_write(MDCLOG_DEBUG,"LogLevel: %s", to_string(sctpParams.logLevel).c_str());
         mdclog_write(MDCLOG_DEBUG,"volume: %s", sctpParams.volume);
         mdclog_write(MDCLOG_DEBUG,"tmpLogFilespec: %s", tmpLogFilespec);
         mdclog_write(MDCLOG_DEBUG,"my ip: %s", sctpParams.myIP.c_str());
@@ -460,13 +543,30 @@ int buildConfiguration(sctp_params_t &sctpParams) {
 }
 
 void startPrometheus(sctp_params_t &sctpParams) {
+    auto podName = std::getenv("POD_NAME");
+    string metric = "E2TBeta";
+    if (strstr(podName, "alpha") != NULL) {
+        metric = "E2TAlpha";
+    }
+    //Get eth0 interface IP
+    char* host = getinterfaceip();
+    string hostip = host;
+
     sctpParams.prometheusFamily = &BuildCounter()
-            .Name("E2T")
-            .Help("E2T message counter")
+            .Name(metric.c_str())
+            .Help("E2T instance metrics")
             .Labels({{"POD_NAME", sctpParams.podName}})
             .Register(*sctpParams.prometheusRegistry);
 
-    string prometheusPath = sctpParams.prometheusPort + "," + "[::]:" + sctpParams.prometheusPort;
+    // Build E2T instance level metrics
+    buildE2TPrometheusCounters(sctpParams);
+
+    string prometheusPath;
+    if (hostip.empty())
+        prometheusPath = sctpParams.prometheusPort + "," + "[::]:" + sctpParams.prometheusPort;
+    else
+        prometheusPath = hostip + ":" + sctpParams.prometheusPort;
+
     if (mdclog_level_get() >= MDCLOG_DEBUG) {
         mdclog_write(MDCLOG_DEBUG, "Start Prometheus Pull mode on %s", prometheusPath.c_str());
     }
@@ -503,9 +603,9 @@ int main(const int argc, char **argv) {
         exit(1);
     }
 
-    cpuClock = approx_CPU_MHz(100);
+//    cpuClock = approx_CPU_MHz(100);
 
-    mdclog_write(MDCLOG_DEBUG, "CPU speed %11.11f", cpuClock);
+//    mdclog_write(MDCLOG_DEBUG, "CPU speed %11.11f", cpuClock);
 
     auto result = parse(argc, argv, sctpParams);
 
@@ -548,6 +648,10 @@ int main(const int argc, char **argv) {
 
     sctpParams.sctpMap = new mapWrapper();
 
+    if (pthread_mutex_init(&thread_lock, NULL) != 0) {
+        mdclog_write(MDCLOG_ERR, "failed to init thread lock");
+        exit(-1);
+    }
     std::vector<std::thread> threads(num_cpus);
 //    std::vector<std::thread> threads;
 
@@ -571,7 +675,7 @@ int main(const int argc, char **argv) {
     for (auto &t : threads) {
         t.join();
     }
-
+    pthread_mutex_destroy(&thread_lock);
     return 0;
 }
 #endif
@@ -760,6 +864,7 @@ void listener(sctp_params_t *params) {
         auto numOfEvents = 1;
 #endif
         if (numOfEvents == 0) { // time out
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             if (mdclog_level_get() >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "got epoll timeout");
             }
@@ -772,7 +877,13 @@ void listener(sctp_params_t *params) {
                 continue;
             }
             mdclog_write(MDCLOG_ERR, "Epoll wait failed, errno = %s", strerror(errno));
+            if(events)
+            {
+                free(events);
+                events = nullptr;
+            }
             return;
+#endif
         }
         for (auto i = 0; i < numOfEvents; i++) {
             if (mdclog_level_get() >= MDCLOG_DEBUG) {
@@ -807,10 +918,17 @@ void listener(sctp_params_t *params) {
                     peerInfo->sctpParams = params;
                     peerInfo->fileDescriptor = accept(params->listenFD, &in_addr, &in_len);
                     if (peerInfo->fileDescriptor == -1) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
                         if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
                             /* We have processed all incoming connections. */
+                            if(peerInfo)
+                                free(peerInfo);
+                                peerInfo = nullptr;
                             break;
                         } else {
+                            if(peerInfo)
+                                free(peerInfo);
+                                peerInfo = nullptr;
                             mdclog_write(MDCLOG_ERR, "Accept error, errno = %s", strerror(errno));
                             break;
                         }
@@ -818,14 +936,26 @@ void listener(sctp_params_t *params) {
                     if (setSocketNoBlocking(peerInfo->fileDescriptor) == -1) {
                         mdclog_write(MDCLOG_ERR, "setSocketNoBlocking failed to set new connection %s on port %s\n", hostBuff, portBuff);
                         close(peerInfo->fileDescriptor);
+                        if(peerInfo)
+                            free(peerInfo);
+                            peerInfo = nullptr;
                         break;
+#endif
                     }
+                    struct sctp_event_subscribe sctpevents;
+                    memset( (void *)&sctpevents, 0, sizeof(sctpevents) );
+                    sctpevents.sctp_data_io_event = 1;
+                    setsockopt(peerInfo->fileDescriptor, SOL_SCTP, SCTP_EVENTS,(const void *)&sctpevents, sizeof(sctpevents) );
+
                     auto  ans = getnameinfo(&in_addr, in_len,
                                             peerInfo->hostName, NI_MAXHOST,
                                             peerInfo->portNumber, NI_MAXSERV, (unsigned )((unsigned int)NI_NUMERICHOST | (unsigned int)NI_NUMERICSERV));
                     if (ans < 0) {
                         mdclog_write(MDCLOG_ERR, "Failed to get info on connection request. %s\n", strerror(errno));
                         close(peerInfo->fileDescriptor);
+                        if(peerInfo)
+                            free(peerInfo);
+                            peerInfo = nullptr;
                         break;
                     }
                     if (mdclog_level_get() >= MDCLOG_DEBUG) {
@@ -838,6 +968,9 @@ void listener(sctp_params_t *params) {
                                    (EPOLLIN | EPOLLET),
                                    params->sctpMap, nullptr,
                                    0) != 0) {
+                        if(peerInfo)
+                            free(peerInfo);
+                            peerInfo = nullptr;
                         break;
                     }
                     break;
@@ -903,12 +1036,13 @@ void handleConfigChange(sctp_params_t *sctpParams) {
     path p = (sctpParams->configFilePath + "/" + sctpParams->configFileName).c_str();
     auto endlessLoop = true;
     while (endlessLoop) {
-#ifndef UNIT_TEST
-    auto len = read(sctpParams->inotifyFD, buf, sizeof buf);
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
+        auto len = read(sctpParams->inotifyFD, buf, sizeof buf);
 #else
     auto len=10;
 #endif
         if (len == -1) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             if (errno != EAGAIN) {
                 mdclog_write(MDCLOG_ERR, "read %s ", strerror(errno));
                 endlessLoop = false;
@@ -918,6 +1052,7 @@ void handleConfigChange(sctp_params_t *sctpParams) {
                 endlessLoop = false;
                 continue;
             }
+#endif
         }
 
         for (ptr = buf; ptr < buf + len; ptr += sizeof(struct inotify_event) + event->len) {
@@ -936,10 +1071,12 @@ void handleConfigChange(sctp_params_t *sctpParams) {
                 // not the directory
             }
             if (event->len) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
                 auto  retVal = strcmp(sctpParams->configFileName.c_str(), event->name);
                 if (retVal != 0) {
                     continue;
                 }
+#endif
             }
             // only the file we want
             if (event->mask & (uint32_t)IN_CLOSE_WRITE) {
@@ -964,31 +1101,7 @@ void handleConfigChange(sctp_params_t *sctpParams) {
                                  p.string().c_str(), strerror(errno));
                     return;
                 }
-                auto tmpStr = conf.getStringValue("loglevel");
-                if (tmpStr.length() == 0) {
-                    mdclog_write(MDCLOG_ERR, "illegal loglevel. Set loglevel to MDCLOG_INFO");
-                    tmpStr = "info";
-                }
-                transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
-
-                if ((tmpStr.compare("debug")) == 0) {
-                    mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_DEBUG");
-                    sctpParams->logLevel = MDCLOG_DEBUG;
-                } else if ((tmpStr.compare("info")) == 0) {
-                    mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_INFO");
-                    sctpParams->logLevel = MDCLOG_INFO;
-                } else if ((tmpStr.compare("warning")) == 0) {
-                    mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_WARN");
-                    sctpParams->logLevel = MDCLOG_WARN;
-                } else if ((tmpStr.compare("error")) == 0) {
-                    mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_ERR");
-                    sctpParams->logLevel = MDCLOG_ERR;
-                } else {
-                    mdclog_write(MDCLOG_ERR, "illegal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
-                    sctpParams->logLevel = MDCLOG_INFO;
-                }
-                mdclog_level_set(sctpParams->logLevel);
-                tmpStr = conf.getStringValue("trace");
+                auto tmpStr = conf.getStringValue("trace");
                 if (tmpStr.length() == 0) {
                     mdclog_write(MDCLOG_ERR, "illegal trace. Set trace to stop");
                     tmpStr = "stop";
@@ -1036,7 +1149,7 @@ void handleEinprogressMessages(struct epoll_event &event,
     socklen_t retValLen = 0;
     auto rc = getsockopt(peerInfo->fileDescriptor, SOL_SOCKET, SO_ERROR, &retVal, &retValLen);
     if (rc != 0 || retVal != 0) {
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         if (rc != 0) {
             rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
                                                          "%s|Failed SCTP Connection, after EINPROGRESS the getsockopt%s",
@@ -1060,7 +1173,7 @@ void handleEinprogressMessages(struct epoll_event &event,
         peerInfo->mtype = 0;
         return;
     }
-
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
     peerInfo->isConnected = true;
 
     if (modifyToEpoll(params->epoll_fd, peerInfo, (EPOLLIN | EPOLLET), params->sctpMap, peerInfo->enodbName,
@@ -1088,6 +1201,7 @@ void handleEinprogressMessages(struct epoll_event &event,
     memset(peerInfo->asnData, 0, peerInfo->asnLength);
     peerInfo->asnLength = 0;
     peerInfo->mtype = 0;
+#endif
 }
 
 
@@ -1095,12 +1209,11 @@ void handlepoll_error(struct epoll_event &event,
                       ReportingMessages_t &message,
                       RmrMessagesBuffer_t &rmrMessageBuffer,
                       sctp_params_t *params) {
-    if (event.data.fd != params->rmrListenFd) {
+    if ((event.data.fd != params->rmrListenFd) && (event.data.ptr != nullptr)) {
         auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
         mdclog_write(MDCLOG_ERR, "epoll error, events %0x on fd %d, RAN NAME : %s",
                      event.events, peerInfo->fileDescriptor, peerInfo->enodbName);
-#ifndef UNIT_TEST
-
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
                                                      "%s|Failed SCTP Connection",
                                                      peerInfo->enodbName);
@@ -1114,7 +1227,7 @@ void handlepoll_error(struct epoll_event &event,
         }
 #endif
         close(peerInfo->fileDescriptor);
-        params->sctpMap->erase(peerInfo->enodbName);
+        //params->sctpMap->erase(peerInfo->enodbName);
         cleanHashEntry((ConnectedCU_t *) event.data.ptr, params->sctpMap);
     } else {
         mdclog_write(MDCLOG_ERR, "epoll error, events %0x on RMR FD", event.events);
@@ -1148,17 +1261,30 @@ int setSocketNoBlocking(int socket) {
  * @param m
  */
 void cleanHashEntry(ConnectedCU_t *val, Sctp_Map_t *m) {
+    if(val != nullptr)
+    {
     char *dummy;
     auto port = (uint16_t) strtol(val->portNumber, &dummy, 10);
     char searchBuff[2048]{};
 
     snprintf(searchBuff, sizeof searchBuff, "host:%s:%d", val->hostName, port);
+    if(m->find(searchBuff))
+    {
     m->erase(searchBuff);
+    }
 
+    if(m->find(val->enodbName))
+    {
+    mdclog_write(MDCLOG_DEBUG, "remove key enodbName = %s from %s at line %d", val->enodbName, __FUNCTION__, __LINE__);
     m->erase(val->enodbName);
+    }
 #ifndef UNIT_TEST
-    free(val);
+    if(val) {
+       free(val);
+       val = nullptr;
+    }
 #endif
+    }
 }
 
 /**
@@ -1173,30 +1299,34 @@ void cleanHashEntry(ConnectedCU_t *val, Sctp_Map_t *m) {
  */
 int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_t *m) {
     auto loglevel = mdclog_level_get();
-#ifndef UNIT_TEST    
+#ifndef UNIT_TEST
     int fd = peerInfo->fileDescriptor;
+    int streamId = fetchStreamId(peerInfo,message);
 #else
     int fd = FILE_DESCRIPTOR;
-#endif    
+    int streamId = 0;
+#endif
     if (loglevel >= MDCLOG_DEBUG) {
         mdclog_write(MDCLOG_DEBUG, "Send SCTP message for CU %s, %s",
                      message.message.enodbName, __FUNCTION__);
     }
 
     while (true) {
-        if (send(fd,message.message.asndata, message.message.asnLength,MSG_NOSIGNAL) < 0) {
+        if (sctp_sendmsg(fd,message.message.asndata, message.message.asnLength,(struct sockaddr *) NULL, 0, htonl(E2AP_PPID), 0,streamId,0,0) < 0) {
             if (errno == EINTR) {
                 continue;
             }
             mdclog_write(MDCLOG_ERR, "error writing to CU a message, %s ", strerror(errno));
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             if (!peerInfo->isConnected) {
                 mdclog_write(MDCLOG_ERR, "connection to CU %s is still in progress.", message.message.enodbName);
                 return -1;
             }
+#endif
+#ifndef UNIT_TEST
             cleanHashEntry(peerInfo, m);
-#endif            
             close(fd);
+#endif
             char key[MAX_ENODB_NAME_SIZE * 2];
             snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName,
                      message.message.messageType);
@@ -1206,6 +1336,7 @@ int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_
             auto tmp = m->find(key);
             if (tmp) {
                 free(tmp);
+                tmp = nullptr;
             }
             m->erase(key);
 #ifndef UNIT_TEST
@@ -1263,9 +1394,14 @@ int receiveDataFromSctp(struct epoll_event *events,
     ReportingMessages_t message {};
     auto done = 0;
     auto loglevel = mdclog_level_get();
+    struct sctp_sndrcvinfo sndrcvinfo;
+    int flags;
+    int streamId;
 
     // get the identity of the interface
+    if (events->data.ptr != nullptr){
     message.peerInfo = (ConnectedCU_t *)events->data.ptr;
+    }
 
     struct timespec start{0, 0};
     struct timespec decodeStart{0, 0};
@@ -1280,11 +1416,14 @@ int receiveDataFromSctp(struct epoll_event *events,
         }
         // read the buffer directly to rmr payload
         message.message.asndata = rmrMessageBuffer.sendMessage->payload;
-#ifndef UNIT_TEST        
+#ifndef UNIT_TEST
         message.message.asnLength = rmrMessageBuffer.sendMessage->len =
-                read(message.peerInfo->fileDescriptor, rmrMessageBuffer.sendMessage->payload, RECEIVE_SCTP_BUFFER_SIZE);
+                sctp_recvmsg(message.peerInfo->fileDescriptor, rmrMessageBuffer.sendMessage->payload, RECEIVE_SCTP_BUFFER_SIZE,(struct sockaddr *) NULL, 0, &sndrcvinfo, &flags);
+        mdclog_write(MDCLOG_DEBUG, "Start Read from SCTP fd %d stream %d ", message.peerInfo->fileDescriptor, sndrcvinfo.sinfo_stream);
+        streamId = sndrcvinfo.sinfo_stream;
 #else
         message.message.asnLength = rmrMessageBuffer.sendMessage->len;
+        streamId = 0;
 #endif
 
         if (loglevel >= MDCLOG_DEBUG) {
@@ -1345,6 +1484,10 @@ int receiveDataFromSctp(struct epoll_event *events,
         if (rval.code != RC_OK) {
             mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) E2AP PDU from RAN : %s", rval.code,
                          message.peerInfo->enodbName);
+            if (pdu != nullptr) {
+                ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+                pdu = nullptr;
+            }
             break;
         }
 
@@ -1365,7 +1508,7 @@ int receiveDataFromSctp(struct epoll_event *events,
 
         switch (pdu->present) {
             case E2AP_PDU_PR_initiatingMessage: {//initiating message
-                asnInitiatingRequest(pdu, sctpMap,message, rmrMessageBuffer);
+                asnInitiatingRequest(pdu, sctpMap,message, rmrMessageBuffer, streamId);
                 break;
             }
             case E2AP_PDU_PR_successfulOutcome: { //successful outcome
@@ -1387,12 +1530,13 @@ int receiveDataFromSctp(struct epoll_event *events,
                          message.peerInfo->enodbName, end.tv_sec - decodeStart.tv_sec, end.tv_nsec - decodeStart.tv_nsec);
         }
         numOfMessages++;
+#ifndef UNIT_TEST
         if (pdu != nullptr) {
-            ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu);
-            //ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
-            //pdu = nullptr;
+            // ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu); /* With reset we were not freeing the memory and was causing the leak here. */
+            ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+            pdu = nullptr;
         }
-#ifdef UNIT_TEST
+#else
     done = 1;
     break;
 #endif
@@ -1408,17 +1552,27 @@ int receiveDataFromSctp(struct epoll_event *events,
                          "%s|CU disconnected unexpectedly",
                          message.peerInfo->enodbName);
         message.message.asndata = rmrMessageBuffer.sendMessage->payload;
-#ifndef UNIT_TEST        
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         if (sendRequestToXapp(message,
                               RIC_SCTP_CONNECTION_FAILURE,
                               rmrMessageBuffer) != 0) {
             mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
         }
-#endif        
+#endif
 
         /* Closing descriptor make epoll remove it from the set of descriptors which are monitored. */
+#ifndef UNIT_TEST
+        pthread_mutex_lock(&thread_lock);
+        if (fcntl(message.peerInfo->fileDescriptor, F_GETFD) != -1) {
+            mdclog_write(MDCLOG_DEBUG, "Closing connection - descriptor = %d", message.peerInfo->fileDescriptor);
+            close(message.peerInfo->fileDescriptor);
+            cleanHashEntry((ConnectedCU_t *) events->data.ptr, sctpMap);
+        }
+        pthread_mutex_unlock(&thread_lock);
+#else
         close(message.peerInfo->fileDescriptor);
         cleanHashEntry((ConnectedCU_t *) events->data.ptr, sctpMap);
+#endif
     }
     if (loglevel >= MDCLOG_DEBUG) {
         clock_gettime(CLOCK_MONOTONIC, &end);
@@ -1445,16 +1599,21 @@ static void buildAndSendSetupRequest(ReportingMessages_t &message,
     buffer = (unsigned char *) calloc(buffer_size, sizeof(unsigned char));
     if(!buffer)
     {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         mdclog_write(MDCLOG_ERR, "Allocating buffer for %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
         return;
+#endif
     }
     while (true) {
         er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu, buffer, buffer_size);
         if (er.encoded == -1) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
             return;
+#endif
         } else if (er.encoded > (ssize_t) buffer_size) {
             buffer_size = er.encoded + 128;
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             mdclog_write(MDCLOG_WARN, "Buffer of size %d is to small for %s. Reallocate buffer of size %d",
                          (int) buffer_size,
                          asn_DEF_E2AP_PDU.name, buffer_size);
@@ -1467,10 +1626,12 @@ static void buildAndSendSetupRequest(ReportingMessages_t &message,
                 // out of memory
                 mdclog_write(MDCLOG_ERR, "Reallocating buffer for %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
                 free(buffer);
+                buffer = nullptr;
                 return;
             }
             buffer = newBuffer;
             continue;
+#endif
         }
         buffer[er.encoded] = '\0';
         break;
@@ -1550,6 +1711,7 @@ static void buildAndSendSetupRequest(ReportingMessages_t &message,
         rmr_free_msg(rmrMsg);
     }
     free(buffer);
+    buffer = nullptr;
 
     return;
 }
@@ -1650,10 +1812,88 @@ int collectServiceUpdate_RequestData(E2AP_PDU_t *pdu,
 #endif
 
 
+void buildE2TPrometheusCounters(sctp_params_t &sctpParams) {
+    sctpParams.e2tCounters[IN_INITI][MSG_COUNTER][(ProcedureCode_id_E2setup)] = &sctpParams.prometheusFamily->Add({{"counter", "SetupRequestMsgs"}});
+    sctpParams.e2tCounters[IN_INITI][BYTES_COUNTER][(ProcedureCode_id_E2setup)] = &sctpParams.prometheusFamily->Add({{"counter", "SetupRequestBytes"}});
+
+    sctpParams.e2tCounters[OUT_SUCC][MSG_COUNTER][(ProcedureCode_id_E2setup)] = &sctpParams.prometheusFamily->Add({{"counter", "SetupResponseMsgs"}});
+    sctpParams.e2tCounters[OUT_SUCC][BYTES_COUNTER][(ProcedureCode_id_E2setup)] = &sctpParams.prometheusFamily->Add({{"counter", "SetupResponseBytes"}});
+
+    sctpParams.e2tCounters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_E2setup] = &sctpParams.prometheusFamily->Add({{"counter", "SetupRequestFailureMsgs"}});
+    sctpParams.e2tCounters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_E2setup] = &sctpParams.prometheusFamily->Add({{"counter", "SetupRequestFailureBytes"}});
+
+    sctpParams.e2tCounters[IN_INITI][MSG_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &sctpParams.prometheusFamily->Add({{"counter", "E2NodeConfigUpdateMsgs"}});
+    sctpParams.e2tCounters[IN_INITI][BYTES_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &sctpParams.prometheusFamily->Add({{"counter", "E2NodeConfigUpdateBytes"}});
+
+    sctpParams.e2tCounters[OUT_SUCC][MSG_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &sctpParams.prometheusFamily->Add({{"counter", "E2NodeConfigUpdateResponseMsgs"}});
+    sctpParams.e2tCounters[OUT_SUCC][BYTES_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &sctpParams.prometheusFamily->Add({{"counter", "E2NodeConfigUpdateResponseBytes"}});
+
+    sctpParams.e2tCounters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "E2NodeConfigUpdateFailureMsgs"}});
+    sctpParams.e2tCounters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "E2NodeConfigUpdateFailureBytes"}});
+
+    sctpParams.e2tCounters[IN_INITI][MSG_COUNTER][(ProcedureCode_id_ErrorIndication)] = &sctpParams.prometheusFamily->Add({{"counter", "ErrorIndicationMsgs"}});
+    sctpParams.e2tCounters[IN_INITI][BYTES_COUNTER][(ProcedureCode_id_ErrorIndication)] = &sctpParams.prometheusFamily->Add({{"counter", "ErrorIndicationBytes"}});
+
+    sctpParams.e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_Reset] = &sctpParams.prometheusFamily->Add({{"counter", "ResetRequestMsgs"}});
+    sctpParams.e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_Reset] = &sctpParams.prometheusFamily->Add({{"counter", "ResetRequestBytes"}});
+
+    sctpParams.e2tCounters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_Reset] = &sctpParams.prometheusFamily->Add({{"counter", "ResetAckMsgs"}});
+    sctpParams.e2tCounters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_Reset] = &sctpParams.prometheusFamily->Add({{"counter", "ResetAckBytes"}});
+
+    sctpParams.e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceUpdateMsgs"}});
+    sctpParams.e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceUpdateBytes"}});
+
+    sctpParams.e2tCounters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceUpdateRespMsgs"}});
+    sctpParams.e2tCounters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceUpdateRespBytes"}});
+
+    sctpParams.e2tCounters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceUpdateFailureMsgs"}});
+    sctpParams.e2tCounters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceUpdateFailureBytes"}});
+
+    sctpParams.e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICcontrol] = &sctpParams.prometheusFamily->Add({{"counter", "RICControlMsgs"}});
+    sctpParams.e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICcontrol] = &sctpParams.prometheusFamily->Add({{"counter", "RICControlBytes"}});
+
+    sctpParams.e2tCounters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICcontrol] = &sctpParams.prometheusFamily->Add({{"counter", "RICControlAckMsgs"}});
+    sctpParams.e2tCounters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICcontrol] = &sctpParams.prometheusFamily->Add({{"counter", "RICControlAckBytes"}});
+
+    sctpParams.e2tCounters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICcontrol] = &sctpParams.prometheusFamily->Add({{"counter", "RICControlFailureMsgs"}});
+    sctpParams.e2tCounters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICcontrol] = &sctpParams.prometheusFamily->Add({{"counter", "RICControlFailureBytes"}});
+
+    sctpParams.e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscription] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionMsgs"}});
+    sctpParams.e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscription] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionBytes"}});
+
+    sctpParams.e2tCounters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscription] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionAckMsgs"}});
+    sctpParams.e2tCounters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscription] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionAckBytes"}});
+
+    sctpParams.e2tCounters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscription] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionFailureMsgs"}});
+    sctpParams.e2tCounters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscription] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionFailureBytes"}});
+
+    sctpParams.e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteMsgs"}});
+    sctpParams.e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteBytes"}});
+
+    sctpParams.e2tCounters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteAckMsgs"}});
+    sctpParams.e2tCounters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteAckBytes"}});
+
+    sctpParams.e2tCounters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteFailMsgs"}});
+    sctpParams.e2tCounters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteFailBytes"}});
+
+    sctpParams.e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICindication] = &sctpParams.prometheusFamily->Add({{"counter", "RICIndicationMsgs"}});
+    sctpParams.e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICindication] = &sctpParams.prometheusFamily->Add({{"counter", "RICIndicationBytes"}});
+
+    sctpParams.e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICserviceQuery] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceQueryMsgs"}});
+    sctpParams.e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICserviceQuery] = &sctpParams.prometheusFamily->Add({{"counter", "RICServiceQueryBytes"}});
+
+    sctpParams.e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDeleteRequired] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteRequiredMsgs"}});
+    sctpParams.e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDeleteRequired] = &sctpParams.prometheusFamily->Add({{"counter", "RICSubscriptionDeleteRequiredBytes"}});
+
+}
+
 void buildPrometheusList(ConnectedCU_t *peerInfo, Family<Counter> *prometheusFamily) {
     peerInfo->counters[IN_INITI][MSG_COUNTER][(ProcedureCode_id_E2setup)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"SetupRequest", "Messages"}});
     peerInfo->counters[IN_INITI][BYTES_COUNTER][(ProcedureCode_id_E2setup)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"SetupRequest", "Bytes"}});
 
+    peerInfo->counters[IN_INITI][MSG_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"E2NodeConfigUpdate", "Messages"}});
+    peerInfo->counters[IN_INITI][BYTES_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"E2NodeConfigUpdate", "Bytes"}});
+
     peerInfo->counters[IN_INITI][MSG_COUNTER][(ProcedureCode_id_ErrorIndication)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"ErrorIndication", "Messages"}});
     peerInfo->counters[IN_INITI][BYTES_COUNTER][(ProcedureCode_id_ErrorIndication)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"ErrorIndication", "Bytes"}});
 
@@ -1710,6 +1950,9 @@ void buildPrometheusList(ConnectedCU_t *peerInfo, Family<Counter> *prometheusFam
     peerInfo->counters[OUT_SUCC][MSG_COUNTER][(ProcedureCode_id_E2setup)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"SetupResponse", "Messages"}});
     peerInfo->counters[OUT_SUCC][BYTES_COUNTER][(ProcedureCode_id_E2setup)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"SetupResponse", "Bytes"}});
 
+    peerInfo->counters[OUT_SUCC][MSG_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"E2NodeConfigUpdateSuccess", "Messages"}});
+    peerInfo->counters[OUT_SUCC][BYTES_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"E2NodeConfigUpdateSuccess", "Bytes"}});
+
     peerInfo->counters[OUT_SUCC][MSG_COUNTER][(ProcedureCode_id_Reset)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"ResetACK", "Messages"}});
     peerInfo->counters[OUT_SUCC][BYTES_COUNTER][(ProcedureCode_id_Reset)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"ResetACK", "Bytes"}});
 
@@ -1719,9 +1962,18 @@ void buildPrometheusList(ConnectedCU_t *peerInfo, Family<Counter> *prometheusFam
     peerInfo->counters[OUT_UN_SUCC][MSG_COUNTER][(ProcedureCode_id_E2setup)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"SetupRequestFailure", "Messages"}});
     peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][(ProcedureCode_id_E2setup)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"SetupRequestFailure", "Bytes"}});
 
+    peerInfo->counters[OUT_UN_SUCC][MSG_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"E2NodeConfigUpdateFailure", "Messages"}});
+    peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][(ProcedureCode_id_E2nodeConfigurationUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"E2NodeConfigUpdateFailure", "Bytes"}});
+
     peerInfo->counters[OUT_UN_SUCC][MSG_COUNTER][(ProcedureCode_id_RICserviceUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"RICserviceUpdateFailure", "Messages"}});
     peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][(ProcedureCode_id_RICserviceUpdate)] = &prometheusFamily->Add({{peerInfo->enodbName, "OUT"}, {"RICserviceUpdateFailure", "Bytes"}});
+
+
+    peerInfo->counters[IN_INITI][MSG_COUNTER][(ProcedureCode_id_RICsubscriptionDeleteRequired)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"RICsubscriptionDeleteRequired", "Messages"}});
+    peerInfo->counters[IN_INITI][BYTES_COUNTER][(ProcedureCode_id_RICsubscriptionDeleteRequired)] = &prometheusFamily->Add({{peerInfo->enodbName, "IN"}, {"RICsubscriptionDeleteRequired", "Bytes"}});
+
 }
+
 /**
  *
  * @param pdu
@@ -1780,6 +2032,10 @@ int XML_From_PER(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBu
         mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) setup response  from E2MGR : %s",
                      rval.code,
                      message.message.enodbName);
+        if (pdu != nullptr) {
+            ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+            pdu = nullptr;
+        }
         return -1;
     }
 
@@ -1788,6 +2044,10 @@ int XML_From_PER(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBu
                                    rmrMessageBuffer.sendMessage->payload, buff_size);
     if (er.encoded == -1) {
         mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
+        if (pdu != nullptr) {
+            ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+            pdu = nullptr;
+        }
         return -1;
     } else if (er.encoded > (ssize_t)buff_size) {
         mdclog_write(MDCLOG_ERR, "Buffer of size %d is to small for %s, at %s line %d",
@@ -1795,9 +2055,17 @@ int XML_From_PER(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBu
                      asn_DEF_E2AP_PDU.name,
                      __func__,
                      __LINE__);
+        if (pdu != nullptr) {
+            ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+            pdu = nullptr;
+        }
         return -1;
     }
     rmrMessageBuffer.sendMessage->len = er.encoded;
+    if (pdu != nullptr) {
+        ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+        pdu = nullptr;
+    }
     return 0;
 
 }
@@ -1811,7 +2079,7 @@ int XML_From_PER(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBu
 void asnInitiatingRequest(E2AP_PDU_t *pdu,
                           Sctp_Map_t *sctpMap,
                           ReportingMessages_t &message,
-                          RmrMessagesBuffer_t &rmrMessageBuffer) {
+                          RmrMessagesBuffer_t &rmrMessageBuffer, int streamId) {
     auto logLevel = mdclog_level_get();
     auto procedureCode = ((InitiatingMessage_t *) pdu->choice.initiatingMessage)->procedureCode;
     if (logLevel >= MDCLOG_DEBUG) {
@@ -1830,6 +2098,28 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
             if (collectSetupRequestData(pdu, sctpMap, message) != 0) {
                 break;
             }
+            struct sctp_status status;
+            int stat_size = sizeof(status);
+            getsockopt( message.peerInfo->fileDescriptor, SOL_SCTP, SCTP_STATUS,(void *)&status, (socklen_t *)&stat_size );
+            if (logLevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "Start from SCTP %d fd", message.peerInfo->fileDescriptor);
+                mdclog_write(MDCLOG_DEBUG, "SCTP status assoc id %d instrms %d outstrms %d", status.sstat_assoc_id,
+                        status.sstat_instrms, status.sstat_outstrms);
+            }
+            if(status.sstat_outstrms == 1 || status.sstat_instrms == 1)
+            {
+                message.peerInfo->isSingleStream = true;
+                message.peerInfo->singleStreamId = streamId;
+                if (status.sstat_outstrms == 1 && status.sstat_instrms == 1){
+                    if (logLevel >= MDCLOG_DEBUG) {
+                        mdclog_write(MDCLOG_DEBUG, "Single SCTP stream is used for sending from now on, assoc id %d streamId %d #instrms %d #outstrms %d, %s",status.sstat_assoc_id, streamId, status.sstat_instrms, status.sstat_outstrms, __FUNCTION__);
+                    }
+                }
+                else {
+                    mdclog_write(MDCLOG_ERR, "Single SCTP stream used for sending messages even if there is a mismatch in number of in & out streams, assoc id %d instrms %d outstrms %d", status.sstat_assoc_id,
+                            status.sstat_instrms, status.sstat_outstrms);
+                }
+            }
 
             buildPrometheusList(message.peerInfo, message.peerInfo->sctpParams->prometheusFamily);
 
@@ -1838,6 +2128,11 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
             message.message.messageType = RIC_E2_SETUP_REQ;
             message.peerInfo->counters[IN_INITI][MSG_COUNTER][ProcedureCode_id_E2setup]->Increment();
             message.peerInfo->counters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_E2setup]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_E2setup]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_E2setup]->Increment((double)message.message.asnLength);
+
             buildAndSendSetupRequest(message, rmrMessageBuffer, pdu);
             break;
         }
@@ -1857,20 +2152,49 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
             string messageName("RICserviceUpdate");
             string ieName("RICserviceUpdateIEs");
             message.message.messageType = RIC_SERVICE_UPDATE;
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment();
             message.peerInfo->counters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment((double)message.message.asnLength);
+#endif
+            buildAndSendSetupRequest(message, rmrMessageBuffer, pdu);
+            break;
+        }
+
+case ProcedureCode_id_E2nodeConfigurationUpdate: {
+            if (logLevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "Got E2nodeConfigurationUpdate %s", message.message.enodbName);
+            }
+
+            string messageName("RICE2nodeConfigurationUpdate");
+            string ieName("RICE2nodeConfigurationUpdateIEs");
+            message.message.messageType = RIC_E2NODE_CONFIG_UPDATE;
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
+            message.peerInfo->counters[IN_INITI][MSG_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment();
+            message.peerInfo->counters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment((double)message.message.asnLength);
 #endif
             buildAndSendSetupRequest(message, rmrMessageBuffer, pdu);
             break;
         }
+
         case ProcedureCode_id_ErrorIndication: {
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
             }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_INITI][MSG_COUNTER][ProcedureCode_id_ErrorIndication]->Increment();
             message.peerInfo->counters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_ErrorIndication]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_ErrorIndication]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_ErrorIndication]->Increment((double)message.message.asnLength);
 #endif
             if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
                 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
@@ -1881,9 +2205,13 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
             }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_INITI][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
             message.peerInfo->counters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment((double)message.message.asnLength);
 #endif
             if (XML_From_PER(message, rmrMessageBuffer) < 0) {
                 break;
@@ -1927,9 +2255,13 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
                                          ie->value.choice.RICrequestID.ricInstanceID,
                                          ie->value.choice.RICrequestID.ricRequestorID);
                         }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
                         message.peerInfo->counters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICindication]->Increment();
                         message.peerInfo->counters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICindication]->Increment((double)message.message.asnLength);
+
+                        // Update E2T instance level metrics
+                        message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICindication]->Increment();
+                        message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICindication]->Increment((double)message.message.asnLength);
 #endif
                         sendRmrMessage(rmrMessageBuffer, message);
                         messageSent = true;
@@ -1943,6 +2275,24 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
             }
             break;
         }
+        case ProcedureCode_id_RICsubscriptionDeleteRequired: {
+            if (logLevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDeleteRequired %s", message.message.enodbName);
+            }
+        #if !(defined(UNIT_TEST) || defined(MODULE_TEST))
+                    message.peerInfo->counters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDeleteRequired]->Increment();
+                    message.peerInfo->counters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDeleteRequired]->Increment((double)message.message.asnLength);
+
+                    // Update E2T instance level metrics
+                    message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDeleteRequired]->Increment();
+                    message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDeleteRequired]->Increment((double)message.message.asnLength);
+        #endif
+            if (sendRequestToXapp(message, RIC_SUB_DEL_REQUIRED, rmrMessageBuffer) != 0) {
+                mdclog_write(MDCLOG_ERR, "Subscription Delete Required message failed to send to xAPP");
+            }
+            break;
+        }
+
         default: {
             mdclog_write(MDCLOG_ERR, "Undefined or not supported message = %ld", procedureCode);
             message.message.messageType = 0; // no RMR message type yet
@@ -1974,9 +2324,13 @@ void asnSuccessfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
             }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
             message.peerInfo->counters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment((double)message.message.asnLength);
 #endif
             if (XML_From_PER(message, rmrMessageBuffer) < 0) {
                 break;
@@ -2013,9 +2367,13 @@ void asnSuccessfulMsg(E2AP_PDU_t *pdu,
                         rmr_bytes2meid(rmrMessageBuffer.sendMessage,
                                        (unsigned char *)message.message.enodbName,
                                        strlen(message.message.enodbName));
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
                         message.peerInfo->counters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICcontrol]->Increment();
                         message.peerInfo->counters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICcontrol]->Increment((double)message.message.asnLength);
+
+                        // Update E2T instance level metrics
+                        message.peerInfo->sctpParams->e2tCounters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICcontrol]->Increment();
+                        message.peerInfo->sctpParams->e2tCounters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICcontrol]->Increment((double)message.message.asnLength);
 #endif
                         sendRmrMessage(rmrMessageBuffer, message);
                         messageSent = true;
@@ -2034,9 +2392,13 @@ void asnSuccessfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
             }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscription]->Increment();
             message.peerInfo->counters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscription]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscription]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscription]->Increment((double)message.message.asnLength);
 #endif
             if (sendRequestToXapp(message, RIC_SUB_RESP, rmrMessageBuffer) != 0) {
                 mdclog_write(MDCLOG_ERR, "Subscription successful message failed to send to xAPP");
@@ -2047,9 +2409,13 @@ void asnSuccessfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
             }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment();
             message.peerInfo->counters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment((double)message.message.asnLength);
 #endif
             if (sendRequestToXapp(message, RIC_SUB_DEL_RESP, rmrMessageBuffer) != 0) {
                 mdclog_write(MDCLOG_ERR, "Subscription delete successful message failed to send to xAPP");
@@ -2107,9 +2473,13 @@ void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
                         rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
                         rmr_bytes2meid(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.enodbName,
                                        strlen(message.message.enodbName));
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
                         message.peerInfo->counters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICcontrol]->Increment();
                         message.peerInfo->counters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICcontrol]->Increment((double)message.message.asnLength);
+
+                        // Update E2T instance level metrics
+                        message.peerInfo->sctpParams->e2tCounters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICcontrol]->Increment();
+                        message.peerInfo->sctpParams->e2tCounters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICcontrol]->Increment((double)message.message.asnLength);
 #endif
                         sendRmrMessage(rmrMessageBuffer, message);
                         messageSent = true;
@@ -2127,9 +2497,13 @@ void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
             }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscription]->Increment();
             message.peerInfo->counters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscription]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscription]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscription]->Increment((double)message.message.asnLength);
 #endif
             if (sendRequestToXapp(message, RIC_SUB_FAILURE, rmrMessageBuffer) != 0) {
                 mdclog_write(MDCLOG_ERR, "Subscription unsuccessful message failed to send to xAPP");
@@ -2140,9 +2514,13 @@ void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
             }
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment();
             message.peerInfo->counters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment((double)message.message.asnLength);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment((double)message.message.asnLength);
 #endif
             if (sendRequestToXapp(message, RIC_SUB_FAILURE, rmrMessageBuffer) != 0) {
                 mdclog_write(MDCLOG_ERR, "Subscription Delete unsuccessful message failed to send to xAPP");
@@ -2152,9 +2530,9 @@ void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
         default: {
             mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
             message.message.messageType = 0; // no RMR message type yet
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             buildJsonMessage(message);
-#endif            
+#endif
             break;
         }
     }
@@ -2251,10 +2629,14 @@ int PER_FromXML(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuf
     if (rval.code != RC_OK) {
 #ifdef UNIT_TEST
     return 0;
-#endif    
+#endif
         mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) setup response  from E2MGR : %s",
                      rval.code,
                      message.message.enodbName);
+        if (pdu != nullptr) {
+            ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+            pdu = nullptr;
+        }
         return -1;
     }
 
@@ -2266,6 +2648,10 @@ int PER_FromXML(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuf
     }
     if (er.encoded == -1) {
         mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
+        if (pdu != nullptr) {
+            ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+            pdu = nullptr;
+        }
         return -1;
     } else if (er.encoded > (ssize_t)buff_size) {
         mdclog_write(MDCLOG_ERR, "Buffer of size %d is to small for %s, at %s line %d",
@@ -2273,9 +2659,17 @@ int PER_FromXML(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuf
                      asn_DEF_E2AP_PDU.name,
                      __func__,
                      __LINE__);
+        if (pdu != nullptr) {
+            ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+            pdu = nullptr;
+        }
         return -1;
     }
     rmrMessageBuffer.rcvMessage->len = er.encoded;
+    if (pdu != nullptr) {
+        ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
+        pdu = nullptr;
+    }
     return 0;
 }
 
@@ -2331,7 +2725,7 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             default:
 #ifdef UNIT_TEST
     break;
-#endif    
+#endif
                 mdclog_write(MDCLOG_ERR, "Failed to send message no CU entry %s", message.message.enodbName);
                 return -1;
         }
@@ -2349,10 +2743,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_E2setup]->Increment();
             message.peerInfo->counters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_E2setup]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_E2setup]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_E2setup]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_RESP");
                 return -6;
@@ -2366,24 +2764,77 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_E2setup]->Increment();
             message.peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_E2setup]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_E2setup]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_E2setup]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_FAILURE");
                 return -6;
             }
             break;
         }
+
+        case RIC_E2NODE_CONFIG_UPDATE_ACK: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_E2NODE_CONFIG_UPDATE_ACK");
+            }
+            if (PER_FromXML(message, rmrMessageBuffer) != 0) {
+                break;
+            }
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
+            message.peerInfo->counters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment();
+            message.peerInfo->counters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
+            if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
+                mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2NODE_CONFIG_UPDATE_ACK");
+                return -6;
+            }
+            break;
+        }
+
+        case RIC_E2NODE_CONFIG_UPDATE_FAILURE: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_E2NODE_CONFIG_UPDATE_FAILURE");
+            }
+            if (PER_FromXML(message, rmrMessageBuffer) != 0) {
+                break;
+            }
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
+            message.peerInfo->counters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment();
+            message.peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_E2nodeConfigurationUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
+            if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
+                mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2NODE_CONFIG_UPDATE_FAILURE");
+                return -6;
+            }
+            break;
+        }
+
         case RIC_ERROR_INDICATION: {
             if (loglevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "RIC_ERROR_INDICATION");
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_ErrorIndication]->Increment();
             message.peerInfo->counters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_ErrorIndication]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_ErrorIndication]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_ErrorIndication]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ERROR_INDICATION");
                 return -6;
@@ -2394,10 +2845,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (loglevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "RIC_SUB_REQ");
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscription]->Increment();
             message.peerInfo->counters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscription]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscription]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscription]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_REQ");
                 return -6;
@@ -2408,10 +2863,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (loglevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "RIC_SUB_DEL_REQ");
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment();
             message.peerInfo->counters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICsubscriptionDelete]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_DEL_REQ");
                 return -6;
@@ -2422,10 +2881,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (loglevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "RIC_CONTROL_REQ");
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICcontrol]->Increment();
             message.peerInfo->counters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICcontrol]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICcontrol]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICcontrol]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_CONTROL_REQ");
                 return -6;
@@ -2439,10 +2902,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICserviceQuery]->Increment();
             message.peerInfo->counters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICserviceQuery]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_RICserviceQuery]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_RICserviceQuery]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_QUERY");
                 return -6;
@@ -2457,10 +2924,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
                 mdclog_write(MDCLOG_ERR, "error in PER_FromXML");
                 break;
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment();
             message.peerInfo->counters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (loglevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Before sending to CU");
             }
@@ -2477,10 +2948,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment();
             message.peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_UN_SUCC][MSG_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_FAILURE");
                 return -6;
@@ -2494,10 +2969,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_INITI][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
             message.peerInfo->counters[OUT_INITI][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[IN_INITI][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_RESET");
                 return -6;
@@ -2511,10 +2990,14 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
-#ifndef UNIT_TEST            
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             message.peerInfo->counters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
             message.peerInfo->counters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment(rmrMessageBuffer.rcvMessage->len);
-#endif            
+
+            // Update E2T instance level metrics
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][MSG_COUNTER][ProcedureCode_id_Reset]->Increment();
+            message.peerInfo->sctpParams->e2tCounters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_Reset]->Increment(rmrMessageBuffer.rcvMessage->len);
+#endif
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_RESET_RESP");
                 return -6;
@@ -2549,6 +3032,7 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
                         mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
                     }
                     free(peerInfo);
+                    peerInfo = nullptr;
                 }
             }
 
@@ -2566,7 +3050,7 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             static unsigned char tx[32];
             auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
             rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, txLen);
-#ifndef UNIT_TEST
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
             rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
 #endif
             if (rmrMessageBuffer.sendMessage == nullptr) {
@@ -2600,7 +3084,7 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             } else if (rmrMessageBuffer.rcvMessage->state != 0)  {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_HEALTH_CHECK_RESP, on RMR state = %d ( %s)",
                              rmrMessageBuffer.rcvMessage->state, translateRmrErrorMessages(rmrMessageBuffer.rcvMessage->state).c_str());
-            } else if (loglevel >= MDCLOG_DEBUG && ++counter % 100 == 0) {
+            } else if (loglevel >= MDCLOG_DEBUG && (++counter % 100 == 0)) {
                 mdclog_write(MDCLOG_DEBUG, "Got %d RIC_HEALTH_CHECK_REQ Request send : OK", counter);
             }
 
@@ -2691,6 +3175,7 @@ int addToEpoll(int epoll_fd,
     event.data.ptr = peerInfo;
     event.events = events;
     if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, peerInfo->fileDescriptor, &event) < 0) {
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         if (mdclog_level_get() >= MDCLOG_DEBUG) {
             mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_ADD (may check not to quit here), %s, %s %d",
                          strerror(errno), __func__, __LINE__);
@@ -2706,6 +3191,7 @@ int addToEpoll(int epoll_fd,
             auto tmp = sctpMap->find(key);
             if (tmp) {
                 free(tmp);
+                tmp = nullptr;
                 sctpMap->erase(key);
             }
         } else {
@@ -2713,6 +3199,7 @@ int addToEpoll(int epoll_fd,
         }
         mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may check not to quit here)");
         return -1;
+#endif
     }
     return 0;
 }
@@ -2752,8 +3239,9 @@ int modifyToEpoll(int epoll_fd,
         auto tmp = sctpMap->find(key);
         if (tmp) {
             free(tmp);
-        }
+            tmp = nullptr;
         sctpMap->erase(key);
+        }
         mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may check not to quit here)");
         return -1;
     }
@@ -2913,3 +3401,43 @@ string translateRmrErrorMessages(int state) {
     }
     return str;
 }
+int fetchStreamId(ConnectedCU_t *peerInfo, ReportingMessages_t &message)
+{
+    auto loglevel = mdclog_level_get();
+    int streamId = INVALID_STREAM_ID;
+    if(message.peerInfo->isSingleStream != false)
+    {
+        streamId = message.peerInfo->singleStreamId;
+        if (loglevel >= MDCLOG_DEBUG) {
+        mdclog_write(MDCLOG_DEBUG, "Send SCTP message for SINGLE_STREAM streamId %d , Messeage Type %d ,%s",
+                     streamId,message.message.messageType,  __FUNCTION__);
+        }
+        return streamId;
+    }
+    int msgType = message.message.messageType;
+    switch (msgType){
+        case RIC_E2_RESET_REQ:
+        case RIC_E2_RESET_RESP:
+        case RIC_E2_SETUP_RESP:
+        case RIC_E2_SETUP_FAILURE:
+        case RIC_ERROR_INDICATION:
+        case RIC_SERVICE_QUERY:
+        case RIC_SERVICE_UPDATE_ACK:
+        case RIC_SERVICE_UPDATE_FAILURE:
+            streamId = 0;
+            break;
+        case RIC_SUB_REQ:
+        case RIC_SUB_DEL_REQ:
+        case RIC_CONTROL_REQ:
+            streamId = 1;
+            break;
+        default:
+            streamId = 0;
+            break;
+    }
+    if (loglevel >= MDCLOG_DEBUG) {
+        mdclog_write(MDCLOG_DEBUG, "Send SCTP message for streamId %d Messeage Type %d, %s",
+                     streamId, message.message.messageType, __FUNCTION__);
+    }
+    return streamId;
+}