Merge "ASN compiled code for E2AP v1.1"
[ric-plt/e2.git] / RIC-E2-TERMINATION / sctpThread.cpp
index ddcaae2..55f9083 100644 (file)
 #include <3rdparty/oranE2/RANfunctions-List.h>
 #include "sctpThread.h"
 #include "BuildRunName.h"
-
+#include <unistd.h>
 //#include "3rdparty/oranE2SM/E2SM-gNB-NRT-RANfunction-Definition.h"
 //#include "BuildXml.h"
 //#include "pugixml/src/pugixml.hpp"
+#include <pthread.h>
+#include <sys/time.h>
+#include <sys/inotify.h>
+#include <errno.h>
+#include <sys/stat.h>
 
 using namespace std;
 //using namespace std::placeholders;
@@ -41,6 +46,7 @@ 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"
 
 static void catch_function(int signal) {
     __gcov_flush();
@@ -52,13 +58,207 @@ 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;
-bool jsonTrace = true;
+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)
+{
+    int ret = -1;
+    struct stat fileInfo;
+    if ( lstat(fileName,&fileInfo) == 0 )
+    {
+        ret = register_log_change_notify(fileName);
+    }
+    return ret;
+}
+
+
+static int register_log_change_notify(const char *fileName)
+{
+    pthread_attr_t cb_attr;
+    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 *)fileName);
+}
+
+
+static void * monitor_loglevel_change_handler(void* arg)
+{
+    char *fileName = (char*) arg;
+    int ifd;                   // the inotify file des
+    int wfd;                   // the watched file des
+    ssize_t n = 0;
+    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
+    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 ) );
+    } else {
+        wfd = inotify_add_watch( ifd, dname, IN_MOVED_TO | IN_CLOSE_WRITE ); // we only care about close write changes
+
+        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) );
+            while( 1 ) {
+                FD_ZERO (&fds);
+                FD_SET (ifd, &fds);
+                timeout.tv_sec=1;
+                res = select (ifd + 1, &fds, NULL, NULL, &timeout);
+                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 {
+                            printf(  "### 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);
+                }
+            }
+            inotify_rm_watch(ifd,wfd);
+        }
+        close(ifd);
+    }
+    free(bname);
+    free(dname);
+
+    pthread_exit(NULL);
+}
+
+void  update_mdc_log_level_severity(char* log_level)
+{
+    mdclog_severity_t level = MDCLOG_ERR;
+
+    if(log_level == NULL)
+    {
+        printf("### ERR ### Invalid Log-Level Configuration in ConfigMap, Default Log-Level Applied:   %d\n",level);
+    }
+    else if(strcasecmp(log_level,"1")==0)
+    {
+        level = MDCLOG_ERR;
+    }
+    else if(strcasecmp(log_level,"2")==0)
+    {
+        level = MDCLOG_WARN;
+    }
+    else if(strcasecmp(log_level,"3")==0)
+    {
+        level = MDCLOG_INFO;
+    }
+    else if(strcasecmp(log_level,"4")==0)
+    {
+        level = MDCLOG_DEBUG;
+    }
+
+    mdclog_level_set(level);
+}
+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 )
+        {
+            token = strtok(line, search);
+            if(strcmp(token,string_match)==0)
+            {
+                found = true;
+                token = strtok(NULL, search);
+                token = strtok(token, "\n");//removing newline if any
+                break;
+            }
+        }
+        fclose ( file );
+     }
+     if(found)
+         return(strdup(token));
+     else
+         return(NULL);
+}
+
+char *read_env_param(const char*envkey)
+{
+    if(envkey)
+    {
+        char *value = getenv(envkey);
+        if(value)
+            return strdup(value);
+    }
+    return NULL;
+}
+
+void dynamic_log_level_change()
+{
+    char *logFile_Name = read_env_param(LOG_FILE_CONFIG_MAP);
+    char* log_level_init=NULL;
+    if(logFile_Name)
+    {
+        log_level_init = parse_file(logFile_Name);
+        update_mdc_log_level_severity(log_level_init); //setting log level
+        free(log_level_init);
+
+    }
+    enable_log_change_notify(logFile_Name);
+    free(logFile_Name);
+
+}
 
 void init_log() {
+    int log_change_monitor = 0;
     mdclog_attr_t *attr;
     mdclog_attr_init(&attr);
     mdclog_attr_set_ident(attr, "E2Terminator");
     mdclog_init(attr);
+    if(mdclog_format_initialize(log_change_monitor)!=0)
+        mdclog_write(MDCLOG_ERR, "Failed to intialize MDC log format !!!");
+    dynamic_log_level_change();
     mdclog_attr_destroy(attr);
 }
 auto start_time = std::chrono::high_resolution_clock::now();
@@ -68,12 +268,12 @@ double age() {
     return seconds_t(std::chrono::high_resolution_clock::now() - start_time).count();
 }
 
-double approx_CPU_MHz(unsigned sleeptime) {
+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);
+    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;
@@ -87,34 +287,40 @@ static long transactionCounter = 0;
 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 sockaddr_in6 servaddr {};
-    servaddr.sin6_family = AF_INET6;
-    servaddr.sin6_addr   = in6addr_any;
-    servaddr.sin6_port = htons(sctpParams.sctpPort);
-    if (bind(sctpParams.listenFD, (SA *)&servaddr, sizeof(servaddr)) < 0 ) {
+    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));
         return -1;
     }
     if (mdclog_level_get() >= MDCLOG_DEBUG) {
-        struct sockaddr_in6 cliaddr {};
-        socklen_t len = sizeof(cliaddr);
-        getsockname(sctpParams.listenFD, (SA *)&cliaddr, &len);
+        struct sockaddr_in6 clientAddress {};
+        socklen_t len = sizeof(clientAddress);
+        getsockname(sctpParams.listenFD, (SA *)&clientAddress, &len);
         char buff[1024] {};
-        inet_ntop(AF_INET6, &cliaddr.sin6_addr, buff, sizeof(buff));
-        mdclog_write(MDCLOG_DEBUG, "My address: %s, port %d\n", buff, htons(cliaddr.sin6_port));
+        inet_ntop(AF_INET6, &clientAddress.sin6_addr, buff, sizeof(buff));
+        mdclog_write(MDCLOG_DEBUG, "My address: %s, port %d\n", buff, htons(clientAddress.sin6_port));
     }
 
     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;
@@ -122,9 +328,11 @@ 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;
@@ -136,53 +344,41 @@ 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) {
-        mdclog_write(MDCLOG_ERR, "illigal RMR port ");
+#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("loglevel");
+    auto tmpStr = conf.getStringValue("volume");
     if (tmpStr.length() == 0) {
-        mdclog_write(MDCLOG_ERR, "illigal loglevel. Set loglevel to MDCLOG_INFO");
-        tmpStr = "info";
-    }
-    transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
-
-    if ((tmpStr.compare("debug")) == 0) {
-        sctpParams.logLevel = MDCLOG_DEBUG;
-    } else if ((tmpStr.compare("info")) == 0) {
-        sctpParams.logLevel = MDCLOG_INFO;
-    } else if ((tmpStr.compare("warning")) == 0) {
-        sctpParams.logLevel = MDCLOG_WARN;
-    } else if ((tmpStr.compare("error")) == 0) {
-        sctpParams.logLevel = MDCLOG_ERR;
-    } else {
-        mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
-        sctpParams.logLevel = MDCLOG_INFO;
-    }
-    mdclog_level_set(sctpParams.logLevel);
-
-    tmpStr = conf.getStringValue("volume");
-    if (tmpStr.length() == 0) {
-        mdclog_write(MDCLOG_ERR, "illigal volume.");
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))        
+        mdclog_write(MDCLOG_ERR, "illegal volume.");
         return -1;
+#endif        
     }
 
     char tmpLogFilespec[VOLUME_URL_SIZE];
@@ -198,49 +394,63 @@ int buildConfiguration(sctp_params_t &sctpParams) {
 
     sctpParams.myIP = conf.getStringValue("local-ip");
     if (sctpParams.myIP.length() == 0) {
-        mdclog_write(MDCLOG_ERR, "illigal local-ip.");
+#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) {
-        mdclog_write(MDCLOG_ERR, "illigal SCTP port ");
+#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) {
-        mdclog_write(MDCLOG_ERR, "illigal external-fqdn");
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))        
+        mdclog_write(MDCLOG_ERR, "illegal external-fqdn");
         return -1;
+#endif        
     }
 
     std::string pod = conf.getStringValue("pod_name");
+#ifndef UNIT_TEST
     if (pod.length() == 0) {
-        mdclog_write(MDCLOG_ERR, "illigal pod_name in config file");
+        mdclog_write(MDCLOG_ERR, "illegal pod_name in config file");
         return -1;
     }
     auto *podName = getenv(pod.c_str());
     if (podName == nullptr) {
-        mdclog_write(MDCLOG_ERR, "illigal pod_name or environment varible not exists : %s", pod.c_str());
+        mdclog_write(MDCLOG_ERR, "illegal pod_name or environment variable not exists : %s", pod.c_str());
         return -1;
 
     } else {
         sctpParams.podName.assign(podName);
         if (sctpParams.podName.length() == 0) {
-            mdclog_write(MDCLOG_ERR, "illigal pod_name");
+            mdclog_write(MDCLOG_ERR, "illegal pod_name");
             return -1;
         }
     }
-
+#endif
     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;
 
@@ -260,16 +470,15 @@ int buildConfiguration(sctp_params_t &sctpParams) {
                                             sctpParams.podName.c_str());
 
     if (mdclog_level_get() >= MDCLOG_INFO) {
-        mdclog_mdc_add("RMR Port", to_string(sctpParams.rmrPort).c_str());
-        mdclog_mdc_add("LogLevel", to_string(sctpParams.logLevel).c_str());
-        mdclog_mdc_add("volume", sctpParams.volume);
-        mdclog_mdc_add("tmpLogFilespec", tmpLogFilespec);
-        mdclog_mdc_add("my ip", sctpParams.myIP.c_str());
-        mdclog_mdc_add("pod name", sctpParams.podName.c_str());
+        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());
+        mdclog_write(MDCLOG_DEBUG,"pod name: %s", sctpParams.podName.c_str());
 
         mdclog_write(MDCLOG_INFO, "running parameters for instance : %s", sctpParams.ka_message);
     }
-    mdclog_mdc_clean();
 
     // Files written to the current working directory
     boostLogger = logging::add_file_log(
@@ -280,7 +489,7 @@ int buildConfiguration(sctp_params_t &sctpParams) {
             //keywords::format = "[%TimeStamp%]: %Message%" // use each tmpStr with time stamp
     );
 
-    // Setup a destination folder for collecting rotated (closed) files --since the same volumn can use rename()
+    // Setup a destination folder for collecting rotated (closed) files --since the same volume can use rename()
     boostLogger->locked_backend()->set_file_collector(sinks::file::make_collector(
             keywords::target = sctpParams.volume
     ));
@@ -297,23 +506,40 @@ 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 promethusPath = 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", promethusPath.c_str());
+        mdclog_write(MDCLOG_DEBUG, "Start Prometheus Pull mode on %s", prometheusPath.c_str());
     }
-    sctpParams.prometheusExposer = new Exposer(promethusPath, 1);
+    sctpParams.prometheusExposer = new Exposer(prometheusPath, 1);
     sctpParams.prometheusExposer->RegisterCollectable(sctpParams.prometheusRegistry);
 }
+#ifndef UNIT_TEST
 
 int main(const int argc, char **argv) {
     sctp_params_t sctpParams;
-
     {
         std::random_device device{};
         std::mt19937 generator(device());
@@ -327,8 +553,6 @@ int main(const int argc, char **argv) {
 
     unsigned num_cpus = std::thread::hardware_concurrency();
     init_log();
-    mdclog_level_set(MDCLOG_INFO);
-
     if (std::signal(SIGINT, catch_function) == SIG_ERR) {
         mdclog_write(MDCLOG_ERR, "Error initializing SIGINT");
         exit(1);
@@ -355,7 +579,7 @@ int main(const int argc, char **argv) {
     //auto registry = std::make_shared<Registry>();
     sctpParams.prometheusRegistry = std::make_shared<Registry>();
 
-    //sctpParams.promtheusFamily = new Family<Counter>("E2T", "E2T message counter", {{"E", sctpParams.podName}});
+    //sctpParams.prometheusFamily = new Family<Counter>("E2T", "E2T message counter", {{"E", sctpParams.podName}});
 
     startPrometheus(sctpParams);
 
@@ -365,7 +589,6 @@ int main(const int argc, char **argv) {
         mdclog_write(MDCLOG_ERR, "failed to open epoll descriptor");
         exit(-1);
     }
-
     getRmrContext(sctpParams);
     if (sctpParams.rmrCtx == nullptr) {
         close(sctpParams.epoll_fd);
@@ -391,7 +614,7 @@ int main(const int argc, char **argv) {
     std::vector<std::thread> threads(num_cpus);
 //    std::vector<std::thread> threads;
 
-    num_cpus = 1;
+    num_cpus = 3;
     for (unsigned int i = 0; i < num_cpus; i++) {
         threads[i] = std::thread(listener, &sctpParams);
 
@@ -414,7 +637,7 @@ int main(const int argc, char **argv) {
 
     return 0;
 }
-
+#endif
 void handleTermInit(sctp_params_t &sctpParams) {
     sendTermInit(sctpParams);
     //send to e2 manager init of e2 term
@@ -425,7 +648,7 @@ void handleTermInit(sctp_params_t &sctpParams) {
         auto xappMessages = num_of_XAPP_messages.load(std::memory_order_acquire);
         if (xappMessages > 0) {
             if (mdclog_level_get() >=  MDCLOG_INFO) {
-                mdclog_write(MDCLOG_INFO, "Got a message from some appliction, stop sending E2_TERM_INIT");
+                mdclog_write(MDCLOG_INFO, "Got a message from some application, stop sending E2_TERM_INIT");
             }
             return;
         }
@@ -454,7 +677,7 @@ void sendTermInit(sctp_params_t &sctpParams) {
         } else if (msg->state == 0) {
             rmr_free_msg(msg);
             if (mdclog_level_get() >=  MDCLOG_INFO) {
-                mdclog_write(MDCLOG_INFO, "E2_TERM_INIT succsesfuly sent ");
+                mdclog_write(MDCLOG_INFO, "E2_TERM_INIT successfully sent ");
             }
             return;
         } else {
@@ -482,7 +705,7 @@ cxxopts::ParseResult parse(int argc, char *argv[], sctp_params_t &sctpParams) {
             ("f,file", "config file name", cxxopts::value<std::string>(sctpParams.configFileName)->default_value("config.conf"))
             ("h,help", "Print help");
 
-    auto result = options.parse(argc, argv);
+    auto result = options.parse(argc, (const char **&)argv);
 
     if (result.count("help")) {
         std::cout << options.help({""}) << std::endl;
@@ -500,9 +723,6 @@ int buildInotify(sctp_params_t &sctpParams) {
     sctpParams.inotifyFD = inotify_init1(IN_NONBLOCK);
     if (sctpParams.inotifyFD == -1) {
         mdclog_write(MDCLOG_ERR, "Failed to init inotify (inotify_init1) %s", strerror(errno));
-        close(sctpParams.rmrListenFd);
-        rmr_close(sctpParams.rmrCtx);
-        close(sctpParams.epoll_fd);
         return -1;
     }
 
@@ -537,11 +757,14 @@ int buildInotify(sctp_params_t &sctpParams) {
 void listener(sctp_params_t *params) {
     int num_of_SCTP_messages = 0;
     auto totalTime = 0.0;
-    mdclog_mdc_clean();
-    mdclog_level_set(params->logLevel);
-
     std::thread::id this_id = std::this_thread::get_id();
     //save cout
+    auto pod_name = std::getenv("POD_NAME");
+    auto container_name = std::getenv("CONTAINER_NAME");
+    auto service_name = std::getenv("SERVICE_NAME");
+    auto host_name = std::getenv("HOST_NAME");
+    auto system_name = std::getenv("SYSTEM_NAME");
+    auto pid = std::to_string(getpid()).c_str();
     streambuf *oldCout = cout.rdbuf();
     ostringstream memCout;
     // create new cout
@@ -553,7 +776,12 @@ void listener(sctp_params_t *params) {
     char tid[32];
     memcpy(tid, memCout.str().c_str(), memCout.str().length() < 32 ? memCout.str().length() : 31);
     tid[memCout.str().length()] = 0;
-    mdclog_mdc_add("thread id", tid);
+    mdclog_mdc_add("SYSTEM_NAME", system_name);
+    mdclog_mdc_add("HOST_NAME", host_name);
+    mdclog_mdc_add("SERVICE_NAME", service_name);
+    mdclog_mdc_add("CONTAINER_NAME", container_name);
+    mdclog_mdc_add("POD_NAME", pod_name);
+    mdclog_mdc_add("PID", pid);
 
     if (mdclog_level_get() >= MDCLOG_DEBUG) {
         mdclog_write(MDCLOG_DEBUG, "started thread number %s", tid);
@@ -580,7 +808,7 @@ void listener(sctp_params_t *params) {
 
     ReportingMessages_t message {};
 
-//    for (int i = 0; i < MAX_RMR_BUFF_ARRY; i++) {
+//    for (int i = 0; i < MAX_RMR_BUFF_ARRAY; i++) {
 //        rmrMessageBuffer.rcvBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
 //        rmrMessageBuffer.sendBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
 //    }
@@ -589,8 +817,13 @@ void listener(sctp_params_t *params) {
         if (mdclog_level_get() >= MDCLOG_DEBUG) {
             mdclog_write(MDCLOG_DEBUG, "Start EPOLL Wait. Timeout = %d", params->epollTimeOut);
         }
+#ifndef UNIT_TEST
         auto numOfEvents = epoll_wait(params->epoll_fd, events, MAXEVENTS, params->epollTimeOut);
+#else
+        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");
             }
@@ -603,7 +836,12 @@ void listener(sctp_params_t *params) {
                 continue;
             }
             mdclog_write(MDCLOG_ERR, "Epoll wait failed, errno = %s", strerror(errno));
+            if(events)
+            {
+                free(events);
+            }
             return;
+#endif            
         }
         for (auto i = 0; i < numOfEvents; i++) {
             if (mdclog_level_get() >= MDCLOG_DEBUG) {
@@ -631,13 +869,22 @@ void listener(sctp_params_t *params) {
 
                     in_len = sizeof(in_addr);
                     auto *peerInfo = (ConnectedCU_t *)calloc(1, sizeof(ConnectedCU_t));
+                    if(peerInfo == nullptr){
+                        mdclog_write(MDCLOG_ERR, "calloc failed");
+                        break;
+                    }
                     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);
                             break;
                         } else {
+                            if(peerInfo)
+                                free(peerInfo);
                             mdclog_write(MDCLOG_ERR, "Accept error, errno = %s", strerror(errno));
                             break;
                         }
@@ -645,7 +892,10 @@ 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);
                         break;
+#endif                        
                     }
                     auto  ans = getnameinfo(&in_addr, in_len,
                                             peerInfo->hostName, NI_MAXHOST,
@@ -653,6 +903,8 @@ void listener(sctp_params_t *params) {
                     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);
                         break;
                     }
                     if (mdclog_level_get() >= MDCLOG_DEBUG) {
@@ -665,16 +917,18 @@ void listener(sctp_params_t *params) {
                                    (EPOLLIN | EPOLLET),
                                    params->sctpMap, nullptr,
                                    0) != 0) {
+                        if(peerInfo)
+                            free(peerInfo);
                         break;
                     }
                     break;
                 }
             } else if (params->rmrListenFd == events[i].data.fd) {
                 // got message from XAPP
-                num_of_XAPP_messages.fetch_add(1, std::memory_order_release);
+                //num_of_XAPP_messages.fetch_add(1, std::memory_order_release);
                 num_of_messages.fetch_add(1, std::memory_order_release);
                 if (mdclog_level_get() >= MDCLOG_DEBUG) {
-                    mdclog_write(MDCLOG_DEBUG, "new message from RMR");
+                    mdclog_write(MDCLOG_DEBUG, "new RMR message");
                 }
                 if (receiveXappMessages(params->sctpMap,
                                         rmrMessageBuffer,
@@ -710,6 +964,9 @@ void listener(sctp_params_t *params) {
                              end.tv_nsec - start.tv_nsec);
             }
         }
+#ifdef UNIT_TEST
+    break;
+#endif
     }
 }
 
@@ -721,12 +978,19 @@ void handleConfigChange(sctp_params_t *sctpParams) {
     char buf[4096] __attribute__ ((aligned(__alignof__(struct inotify_event))));
     const struct inotify_event *event;
     char *ptr;
-
+#ifdef UNIT_TEST
+    struct inotify_event tmpEvent;
+#endif
     path p = (sctpParams->configFilePath + "/" + sctpParams->configFileName).c_str();
     auto endlessLoop = true;
     while (endlessLoop) {
+#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;
@@ -736,10 +1000,16 @@ void handleConfigChange(sctp_params_t *sctpParams) {
                 endlessLoop = false;
                 continue;
             }
+#endif            
         }
 
         for (ptr = buf; ptr < buf + len; ptr += sizeof(struct inotify_event) + event->len) {
-            event = (const struct inotify_event *)ptr;
+#ifndef UNIT_TEST
+    event = (const struct inotify_event *)ptr;
+#else
+    tmpEvent.mask = (uint32_t)IN_CLOSE_WRITE;
+    event = &tmpEvent;
+#endif
             if (event->mask & (uint32_t)IN_ISDIR) {
                 continue;
             }
@@ -749,10 +1019,12 @@ 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) {
@@ -777,10 +1049,9 @@ 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, "illigal loglevel. Set loglevel to MDCLOG_INFO");
+                    mdclog_write(MDCLOG_ERR, "illegal loglevel. Set loglevel to MDCLOG_INFO");
                     tmpStr = "info";
                 }
                 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
@@ -788,7 +1059,9 @@ void handleConfigChange(sctp_params_t *sctpParams) {
                 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) {
+                } 
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))                
+                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) {
@@ -798,15 +1071,14 @@ void handleConfigChange(sctp_params_t *sctpParams) {
                     mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_ERR");
                     sctpParams->logLevel = MDCLOG_ERR;
                 } else {
-                    mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
+                    mdclog_write(MDCLOG_ERR, "illegal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
                     sctpParams->logLevel = MDCLOG_INFO;
                 }
+#endif                
                 mdclog_level_set(sctpParams->logLevel);
-
-
                 tmpStr = conf.getStringValue("trace");
                 if (tmpStr.length() == 0) {
-                    mdclog_write(MDCLOG_ERR, "illigal trace. Set trace to stop");
+                    mdclog_write(MDCLOG_ERR, "illegal trace. Set trace to stop");
                     tmpStr = "stop";
                 }
 
@@ -826,6 +1098,9 @@ void handleConfigChange(sctp_params_t *sctpParams) {
 
                 endlessLoop = false;
             }
+#ifdef UNIT_TEST
+            break;
+#endif
         }
     }
 }
@@ -849,6 +1124,7 @@ 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) {
+#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",
@@ -866,12 +1142,13 @@ void handleEinprogressMessages(struct epoll_event &event,
         if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
             mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
         }
+#endif
         memset(peerInfo->asnData, 0, peerInfo->asnLength);
         peerInfo->asnLength = 0;
         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,
@@ -899,6 +1176,7 @@ void handleEinprogressMessages(struct epoll_event &event,
     memset(peerInfo->asnData, 0, peerInfo->asnLength);
     peerInfo->asnLength = 0;
     peerInfo->mtype = 0;
+#endif    
 }
 
 
@@ -910,7 +1188,7 @@ void handlepoll_error(struct epoll_event &event,
         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);
-
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))
         rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
                                                      "%s|Failed SCTP Connection",
                                                      peerInfo->enodbName);
@@ -922,7 +1200,7 @@ void handlepoll_error(struct epoll_event &event,
         if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
             mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
         }
-
+#endif
         close(peerInfo->fileDescriptor);
         params->sctpMap->erase(peerInfo->enodbName);
         cleanHashEntry((ConnectedCU_t *) event.data.ptr, params->sctpMap);
@@ -939,17 +1217,13 @@ int setSocketNoBlocking(int socket) {
     auto flags = fcntl(socket, F_GETFL, 0);
 
     if (flags == -1) {
-        mdclog_mdc_add("func", "fcntl");
         mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
-        mdclog_mdc_clean();
         return -1;
     }
 
     flags = (unsigned) flags | (unsigned) O_NONBLOCK;
     if (fcntl(socket, F_SETFL, flags) == -1) {
-        mdclog_mdc_add("func", "fcntl");
         mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
-        mdclog_mdc_clean();
         return -1;
     }
 
@@ -970,22 +1244,28 @@ void cleanHashEntry(ConnectedCU_t *val, Sctp_Map_t *m) {
     m->erase(searchBuff);
 
     m->erase(val->enodbName);
+#ifndef UNIT_TEST
     free(val);
+#endif
 }
 
 /**
  *
- * @param fd file discriptor
+ * @param fd file descriptor
  * @param data the asn data to send
  * @param len  length of the data
  * @param enodbName the enodbName as in the map for printing purpose
  * @param m map host information
  * @param mtype message number
- * @return 0 success, anegative number on fail
+ * @return 0 success, a negative number on fail
  */
 int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_t *m) {
     auto loglevel = mdclog_level_get();
+#ifndef UNIT_TEST    
     int fd = peerInfo->fileDescriptor;
+#else
+    int fd = FILE_DESCRIPTOR;
+#endif    
     if (loglevel >= MDCLOG_DEBUG) {
         mdclog_write(MDCLOG_DEBUG, "Send SCTP message for CU %s, %s",
                      message.message.enodbName, __FUNCTION__);
@@ -997,12 +1277,16 @@ int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_
                 continue;
             }
             mdclog_write(MDCLOG_ERR, "error writing to CU a message, %s ", strerror(errno));
+#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);
             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);
@@ -1014,7 +1298,9 @@ int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_
                 free(tmp);
             }
             m->erase(key);
+#ifndef UNIT_TEST
             return -1;
+#endif
         }
         message.message.direction = 'D';
         // send report.buffer of size
@@ -1072,7 +1358,7 @@ int receiveDataFromSctp(struct epoll_event *events,
     message.peerInfo = (ConnectedCU_t *)events->data.ptr;
 
     struct timespec start{0, 0};
-    struct timespec decodestart{0, 0};
+    struct timespec decodeStart{0, 0};
     struct timespec end{0, 0};
 
     E2AP_PDU_t *pdu = nullptr;
@@ -1084,8 +1370,12 @@ int receiveDataFromSctp(struct epoll_event *events,
         }
         // read the buffer directly to rmr payload
         message.message.asndata = rmrMessageBuffer.sendMessage->payload;
+#ifndef UNIT_TEST        
         message.message.asnLength = rmrMessageBuffer.sendMessage->len =
                 read(message.peerInfo->fileDescriptor, rmrMessageBuffer.sendMessage->payload, RECEIVE_SCTP_BUFFER_SIZE);
+#else
+        message.message.asnLength = rmrMessageBuffer.sendMessage->len;
+#endif
 
         if (loglevel >= MDCLOG_DEBUG) {
             mdclog_write(MDCLOG_DEBUG, "Finish Read from SCTP %d fd message length = %ld",
@@ -1121,7 +1411,7 @@ int receiveDataFromSctp(struct epoll_event *events,
         }
 
         if (loglevel >= MDCLOG_DEBUG) {
-            char printBuffer[4096]{};
+            char printBuffer[RECEIVE_SCTP_BUFFER_SIZE]{};
             char *tmp = printBuffer;
             for (size_t i = 0; i < (size_t)message.message.asnLength; ++i) {
                 snprintf(tmp, 3, "%02x", message.message.asndata[i]);
@@ -1133,27 +1423,38 @@ int receiveDataFromSctp(struct epoll_event *events,
                          message.peerInfo->enodbName, end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
             mdclog_write(MDCLOG_DEBUG, "PDU buffer length = %ld, data =  : %s", message.message.asnLength,
                          printBuffer);
-            clock_gettime(CLOCK_MONOTONIC, &decodestart);
+            clock_gettime(CLOCK_MONOTONIC, &decodeStart);
         }
-
+#ifndef UNIT_TEST
         auto rval = asn_decode(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void **) &pdu,
-                          message.message.asndata, message.message.asnLength);
+                        message.message.asndata, message.message.asnLength);
+#else
+        asn_dec_rval_t rval = {RC_OK, 0};
+        pdu = (E2AP_PDU_t*)rmrMessageBuffer.sendMessage->tp_buf;
+#endif
         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;
         }
 
         if (loglevel >= MDCLOG_DEBUG) {
             clock_gettime(CLOCK_MONOTONIC, &end);
             mdclog_write(MDCLOG_DEBUG, "After Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
-                         message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
+                         message.peerInfo->enodbName, end.tv_sec - decodeStart.tv_sec, end.tv_nsec - decodeStart.tv_nsec);
             char *printBuffer;
             size_t size;
             FILE *stream = open_memstream(&printBuffer, &size);
             asn_fprint(stream, &asn_DEF_E2AP_PDU, pdu);
             mdclog_write(MDCLOG_DEBUG, "Encoding E2AP PDU past : %s", printBuffer);
-            clock_gettime(CLOCK_MONOTONIC, &decodestart);
+            clock_gettime(CLOCK_MONOTONIC, &decodeStart);
+
+            fclose(stream);
+            free(printBuffer);
         }
 
         switch (pdu->present) {
@@ -1162,7 +1463,7 @@ int receiveDataFromSctp(struct epoll_event *events,
                 break;
             }
             case E2AP_PDU_PR_successfulOutcome: { //successful outcome
-                asnSuccsesfulMsg(pdu, sctpMap, message,  rmrMessageBuffer);
+                asnSuccessfulMsg(pdu, sctpMap, message, rmrMessageBuffer);
                 break;
             }
             case E2AP_PDU_PR_unsuccessfulOutcome: { //Unsuccessful Outcome
@@ -1177,14 +1478,19 @@ int receiveDataFromSctp(struct epoll_event *events,
             clock_gettime(CLOCK_MONOTONIC, &end);
             mdclog_write(MDCLOG_DEBUG,
                          "After processing message and sent to rmr for : %s, Read time is : %ld seconds, %ld nanoseconds",
-                         message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
+                         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;
         }
+#else
+    done = 1;
+    break;
+#endif
     }
 
     if (done) {
@@ -1197,12 +1503,13 @@ int receiveDataFromSctp(struct epoll_event *events,
                          "%s|CU disconnected unexpectedly",
                          message.peerInfo->enodbName);
         message.message.asndata = rmrMessageBuffer.sendMessage->payload;
-
+#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        
 
         /* Closing descriptor make epoll remove it from the set of descriptors which are monitored. */
         close(message.peerInfo->fileDescriptor);
@@ -1217,7 +1524,7 @@ int receiveDataFromSctp(struct epoll_event *events,
     return 0;
 }
 
-static void buildAndsendSetupRequest(ReportingMessages_t &message,
+static void buildAndSendSetupRequest(ReportingMessages_t &message,
                                      RmrMessagesBuffer_t &rmrMessageBuffer,
                                      E2AP_PDU_t *pdu/*,
                                      string const &messageName,
@@ -1229,20 +1536,42 @@ static void buildAndsendSetupRequest(ReportingMessages_t &message,
 
     asn_enc_rval_t er;
     auto buffer_size = RECEIVE_SCTP_BUFFER_SIZE * 2;
-    unsigned char buffer[RECEIVE_SCTP_BUFFER_SIZE * 2];
+    unsigned char *buffer = nullptr;
+    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);
             buffer_size = er.encoded + 128;
-//            free(buffer);
+
+            unsigned char *newBuffer = nullptr;
+            newBuffer = (unsigned char *) realloc(buffer, buffer_size);
+            if (!newBuffer)
+            {
+                // out of memory
+                mdclog_write(MDCLOG_ERR, "Reallocating buffer for %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
+                free(buffer);
+                return;
+            }
+            buffer = newBuffer;
             continue;
+#endif            
         }
         buffer[er.encoded] = '\0';
         break;
@@ -1284,8 +1613,9 @@ static void buildAndsendSetupRequest(ReportingMessages_t &message,
     static unsigned char tx[32];
     snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
     rmr_bytes2xact(rmrMsg, tx, strlen((const char *) tx));
-
+#ifndef UNIT_TEST
     rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
+#endif
     if (rmrMsg == nullptr) {
         mdclog_write(MDCLOG_ERR, "RMR failed to send returned nullptr");
     } else if (rmrMsg->state != 0) {
@@ -1295,7 +1625,9 @@ static void buildAndsendSetupRequest(ReportingMessages_t &message,
             rmrMsg->state = 0;
             mdclog_write(MDCLOG_INFO, "RETRY sending Message %d to Xapp from %s",
                          rmrMsg->mtype, rmr_get_meid(rmrMsg, (unsigned char *) meid));
+#ifndef UNIT_TEST
             rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
+#endif
             if (rmrMsg == nullptr) {
                 mdclog_write(MDCLOG_ERR, "RMR failed send returned nullptr");
             } else if (rmrMsg->state != 0) {
@@ -1314,9 +1646,13 @@ static void buildAndsendSetupRequest(ReportingMessages_t &message,
     }
     message.peerInfo->gotSetup = true;
     buildJsonMessage(message);
+
     if (rmrMsg != nullptr) {
         rmr_free_msg(rmrMsg);
     }
+    free(buffer);
+
+    return;
 }
 
 #if 0
@@ -1415,7 +1751,69 @@ int collectServiceUpdate_RequestData(E2AP_PDU_t *pdu,
 #endif
 
 
-void buildPrometheuslist(ConnectedCU_t *peerInfo, Family<Counter> *prometheusFamily) {
+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_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"}});
+}
+
+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"}});
 
@@ -1487,6 +1885,7 @@ void buildPrometheuslist(ConnectedCU_t *peerInfo, Family<Counter> *prometheusFam
     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"}});
 }
+
 /**
  *
  * @param pdu
@@ -1506,7 +1905,7 @@ int collectSetupRequestData(E2AP_PDU_t *pdu,
             if (ie->value.present == E2setupRequestIEs__value_PR_GlobalE2node_ID) {
                 if (buildRanName(message.peerInfo->enodbName, ie) < 0) {
                     mdclog_write(MDCLOG_ERR, "Bad param in E2setupRequestIEs GlobalE2node_ID.\n");
-                    // no mesage will be sent
+                    // no message will be sent
                     return -1;
                 }
 
@@ -1545,6 +1944,10 @@ 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;
     }
 
@@ -1553,6 +1956,10 @@ 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",
@@ -1560,9 +1967,17 @@ 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;
 
 }
@@ -1596,14 +2011,19 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
                 break;
             }
 
-            buildPrometheuslist(message.peerInfo, message.peerInfo->sctpParams->prometheusFamily);
+            buildPrometheusList(message.peerInfo, message.peerInfo->sctpParams->prometheusFamily);
 
             string messageName("E2setupRequest");
             string ieName("E2setupRequestIEs");
             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);
-            buildAndsendSetupRequest(message, rmrMessageBuffer, pdu);
+
+            // 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;
         }
         case ProcedureCode_id_RICserviceUpdate: {
@@ -1622,18 +2042,29 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
             string messageName("RICserviceUpdate");
             string ieName("RICserviceUpdateIEs");
             message.message.messageType = RIC_SERVICE_UPDATE;
+#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);
 
-            buildAndsendSetupRequest(message, rmrMessageBuffer, pdu);
+            // 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_ErrorIndication: {
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
             }
+#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");
             }
@@ -1643,9 +2074,14 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
             }
-
+#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;
             }
@@ -1688,12 +2124,18 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
                                          ie->value.choice.RICrequestID.ricInstanceID,
                                          ie->value.choice.RICrequestID.ricRequestorID);
                         }
+#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;
                     } else {
-                        mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
+                        mdclog_write(MDCLOG_ERR, "RIC request id missing illegal request");
                     }
                 }
                 if (messageSent) {
@@ -1719,7 +2161,7 @@ void asnInitiatingRequest(E2AP_PDU_t *pdu,
  * @param message
  * @param rmrMessageBuffer
  */
-void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
+void asnSuccessfulMsg(E2AP_PDU_t *pdu,
                       Sctp_Map_t *sctpMap,
                       ReportingMessages_t &message,
                       RmrMessagesBuffer_t &rmrMessageBuffer) {
@@ -1733,8 +2175,14 @@ void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
             }
+#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;
             }
@@ -1770,13 +2218,18 @@ void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
                         rmr_bytes2meid(rmrMessageBuffer.sendMessage,
                                        (unsigned char *)message.message.enodbName,
                                        strlen(message.message.enodbName));
-
+#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;
                     } else {
-                        mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
+                        mdclog_write(MDCLOG_ERR, "RIC request id missing illegal request");
                     }
                 }
                 if (messageSent) {
@@ -1790,8 +2243,14 @@ void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
             }
+#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");
             }
@@ -1801,8 +2260,14 @@ void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
             }
+#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");
             }
@@ -1859,12 +2324,18 @@ 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));
+#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;
                     } else {
-                        mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
+                        mdclog_write(MDCLOG_ERR, "RIC request id missing illegal request");
                     }
                 }
                 if (messageSent) {
@@ -1877,8 +2348,14 @@ void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
             }
+#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");
             }
@@ -1888,8 +2365,14 @@ void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
             if (logLevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
             }
+#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");
             }
@@ -1898,9 +2381,9 @@ 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
-
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))            
             buildJsonMessage(message);
-
+#endif            
             break;
         }
     }
@@ -1991,18 +2474,35 @@ int PER_FromXML(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuf
     }
     auto rval = asn_decode(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, (void **) &pdu,
                            rmrMessageBuffer.rcvMessage->payload, rmrMessageBuffer.rcvMessage->len);
+    if (mdclog_level_get() >= MDCLOG_DEBUG) {
+        mdclog_write(MDCLOG_DEBUG, "%s After  decoding the XML to PDU", __func__ );
+    }
     if (rval.code != RC_OK) {
+#ifdef UNIT_TEST
+    return 0;
+#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;
     }
 
     int buff_size = RECEIVE_XAPP_BUFFER_SIZE;
     auto er = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu,
                                    rmrMessageBuffer.rcvMessage->payload, buff_size);
+    if (mdclog_level_get() >= MDCLOG_DEBUG) {
+        mdclog_write(MDCLOG_DEBUG, "%s After encoding PDU to PER", __func__ );
+    }
     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",
@@ -2010,9 +2510,17 @@ 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;
 }
 
@@ -2026,18 +2534,19 @@ int PER_FromXML(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuf
 int receiveXappMessages(Sctp_Map_t *sctpMap,
                         RmrMessagesBuffer_t &rmrMessageBuffer,
                         struct timespec &ts) {
+    int loglevel = mdclog_level_get();
     if (rmrMessageBuffer.rcvMessage == nullptr) {
         //we have error
         mdclog_write(MDCLOG_ERR, "RMR Allocation message, %s", strerror(errno));
         return -1;
     }
 
-    if (mdclog_level_get() >= MDCLOG_DEBUG) {
-        mdclog_write(MDCLOG_DEBUG, "Call to rmr_rcv_msg");
-    }
+//    if (loglevel >= MDCLOG_DEBUG) {
+//        mdclog_write(MDCLOG_DEBUG, "Call to rmr_rcv_msg");
+//    }
     rmrMessageBuffer.rcvMessage = rmr_rcv_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.rcvMessage);
     if (rmrMessageBuffer.rcvMessage == nullptr) {
-        mdclog_write(MDCLOG_ERR, "RMR Receving message with null pointer, Realloc rmr mesage buffer");
+        mdclog_write(MDCLOG_ERR, "RMR Receiving message with null pointer, Reallocated rmr message buffer");
         rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
         return -2;
     }
@@ -2048,8 +2557,11 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
 
     // get message payload
     //auto msgData = msg->payload;
+#ifdef UNIT_TEST
+    rmrMessageBuffer.rcvMessage->state = 0;
+#endif
     if (rmrMessageBuffer.rcvMessage->state != 0) {
-        mdclog_write(MDCLOG_ERR, "RMR Receving message with stat = %d", rmrMessageBuffer.rcvMessage->state);
+        mdclog_write(MDCLOG_ERR, "RMR Receiving message with stat = %d", rmrMessageBuffer.rcvMessage->state);
         return -1;
     }
     rmr_get_meid(rmrMessageBuffer.rcvMessage, (unsigned char *)message.message.enodbName);
@@ -2062,18 +2574,34 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             case RIC_HEALTH_CHECK_REQ:
                 break;
             default:
+#ifdef UNIT_TEST
+    break;
+#endif    
                 mdclog_write(MDCLOG_ERR, "Failed to send message no CU entry %s", message.message.enodbName);
                 return -1;
         }
     }
 
+    if (rmrMessageBuffer.rcvMessage->mtype != RIC_HEALTH_CHECK_REQ) {
+        num_of_XAPP_messages.fetch_add(1, std::memory_order_release);
+
+    }
     switch (rmrMessageBuffer.rcvMessage->mtype) {
         case RIC_E2_SETUP_RESP : {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_E2_SETUP_RESP");
+            }
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
+#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);
+
+            // 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;
@@ -2081,11 +2609,20 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_E2_SETUP_FAILURE : {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_E2_SETUP_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_E2setup]->Increment();
             message.peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_E2setup]->Increment(rmrMessageBuffer.rcvMessage->len);
+
+            // 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;
@@ -2093,8 +2630,17 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_ERROR_INDICATION: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_ERROR_INDICATION");
+            }
+#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);
+
+            // 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;
@@ -2102,8 +2648,17 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_SUB_REQ: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_SUB_REQ");
+            }
+#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);
+
+            // 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;
@@ -2111,8 +2666,17 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_SUB_DEL_REQ: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_SUB_DEL_REQ");
+            }
+#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);
+
+            // 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;
@@ -2120,8 +2684,17 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_CONTROL_REQ: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_CONTROL_REQ");
+            }
+#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);
+
+            // 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;
@@ -2129,11 +2702,20 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_SERVICE_QUERY: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_SERVICE_QUERY");
+            }
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
+#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);
+
+            // 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;
@@ -2141,11 +2723,24 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_SERVICE_UPDATE_ACK: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_SERVICE_UPDATE_ACK");
+            }
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
+                mdclog_write(MDCLOG_ERR, "error in PER_FromXML");
                 break;
             }
+#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_RICserviceQuery]->Increment(rmrMessageBuffer.rcvMessage->len);
+            message.peerInfo->counters[OUT_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+
+            // 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");
+            }
             if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
                 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_ACK");
                 return -6;
@@ -2153,11 +2748,20 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_SERVICE_UPDATE_FAILURE: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_SERVICE_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_RICserviceUpdate]->Increment();
-            message.peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceQuery]->Increment(rmrMessageBuffer.rcvMessage->len);
+            message.peerInfo->counters[OUT_UN_SUCC][BYTES_COUNTER][ProcedureCode_id_RICserviceUpdate]->Increment(rmrMessageBuffer.rcvMessage->len);
+
+            // 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;
@@ -2165,11 +2769,20 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_E2_RESET_REQ: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_E2_RESET_REQ");
+            }
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
+#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);
+
+            // 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;
@@ -2177,11 +2790,20 @@ int receiveXappMessages(Sctp_Map_t *sctpMap,
             break;
         }
         case RIC_E2_RESET_RESP: {
+            if (loglevel >= MDCLOG_DEBUG) {
+                mdclog_write(MDCLOG_DEBUG, "RIC_E2_RESET_RESP");
+            }
             if (PER_FromXML(message, rmrMessageBuffer) != 0) {
                 break;
             }
+#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);
+
+            // 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;
@@ -2233,20 +2855,23 @@ 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);
+#if !(defined(UNIT_TEST) || defined(MODULE_TEST))            
             rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
+#endif
             if (rmrMessageBuffer.sendMessage == nullptr) {
                 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
                 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP RMR message returned NULL");
             } else if (rmrMessageBuffer.sendMessage->state != 0)  {
                 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP, on RMR state = %d ( %s)",
                              rmrMessageBuffer.sendMessage->state, translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str());
-            } else if (mdclog_level_get() >= MDCLOG_DEBUG) {
+            } else if (loglevel >= MDCLOG_DEBUG) {
                 mdclog_write(MDCLOG_DEBUG, "Got Keep Alive Request send : %s", rmrMessageBuffer.ka_message);
             }
 
             break;
         }
         case RIC_HEALTH_CHECK_REQ: {
+            static int counter = 0;
             // send message back
             rmr_bytes2payload(rmrMessageBuffer.rcvMessage,
                               (unsigned char *)"OK",
@@ -2264,15 +2889,15 @@ 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 (mdclog_level_get() >= MDCLOG_DEBUG) {
-                mdclog_write(MDCLOG_DEBUG, "Got RIC_HEALTH_CHECK_REQ Request send : OK");
+            } else if (loglevel >= MDCLOG_DEBUG && (++counter % 100 == 0)) {
+                mdclog_write(MDCLOG_DEBUG, "Got %d RIC_HEALTH_CHECK_REQ Request send : OK", counter);
             }
 
             break;
         }
 
         default:
-            mdclog_write(MDCLOG_WARN, "Message Type : %d is not seported", rmrMessageBuffer.rcvMessage->mtype);
+            mdclog_write(MDCLOG_WARN, "Message Type : %d is not supported", rmrMessageBuffer.rcvMessage->mtype);
             message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
             message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
             message.message.time.tv_nsec = ts.tv_nsec;
@@ -2302,6 +2927,9 @@ int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messageBuffer,
                            ReportingMessages_t &message,
                            int failedMsgId,
                            Sctp_Map_t *sctpMap) {
+    if (mdclog_level_get() >= MDCLOG_DEBUG) {
+        mdclog_write(MDCLOG_DEBUG, "send message: %d to %s address", message.message.messageType, message.message.enodbName);
+    }
 
     getRequestMetaData(message, messageBuffer);
     if (mdclog_level_get() >= MDCLOG_INFO) {
@@ -2352,8 +2980,9 @@ 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 chack not to quit here), %s, %s %d",
+            mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_ADD (may check not to quit here), %s, %s %d",
                          strerror(errno), __func__, __LINE__);
         }
         close(peerInfo->fileDescriptor);
@@ -2372,8 +3001,9 @@ int addToEpoll(int epoll_fd,
         } else {
             peerInfo->enodbName[0] = 0;
         }
-        mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
+        mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may check not to quit here)");
         return -1;
+#endif
     }
     return 0;
 }
@@ -2400,7 +3030,7 @@ int modifyToEpoll(int epoll_fd,
     event.events = events;
     if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, peerInfo->fileDescriptor, &event) < 0) {
         if (mdclog_level_get() >= MDCLOG_DEBUG) {
-            mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_MOD (may chack not to quit here), %s, %s %d",
+            mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_MOD (may check not to quit here), %s, %s %d",
                          strerror(errno), __func__, __LINE__);
         }
         close(peerInfo->fileDescriptor);
@@ -2415,7 +3045,7 @@ int modifyToEpoll(int epoll_fd,
             free(tmp);
         }
         sctpMap->erase(key);
-        mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
+        mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may check not to quit here)");
         return -1;
     }
     return 0;
@@ -2424,9 +3054,11 @@ int modifyToEpoll(int epoll_fd,
 
 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message) {
     buildJsonMessage(message);
-
+#ifndef UNIT_TEST
     rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
-
+#else
+    rmrMessageBuffer.sendMessage->state = RMR_ERR_RETRY;
+#endif
     if (rmrMessageBuffer.sendMessage == nullptr) {
         rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
         mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
@@ -2441,7 +3073,9 @@ int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &m
             mdclog_write(MDCLOG_INFO, "RETRY sending Message type %d to Xapp from %s",
                          rmrMessageBuffer.sendMessage->mtype,
                          rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
+#ifndef UNIT_TEST
             rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
+#endif
             if (rmrMessageBuffer.sendMessage == nullptr) {
                 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
                 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
@@ -2467,6 +3101,9 @@ int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &m
 }
 
 void buildJsonMessage(ReportingMessages_t &message) {
+#ifdef UNIT_TEST
+    jsonTrace = true;
+#endif
     if (jsonTrace) {
         message.outLen = sizeof(message.base64Data);
         base64::encode((const unsigned char *) message.message.asndata,
@@ -2512,7 +3149,7 @@ string translateRmrErrorMessages(int state) {
             str = "RMR_OK - state is good";
             break;
         case RMR_ERR_BADARG:
-            str = "RMR_ERR_BADARG - argument passd to function was unusable";
+            str = "RMR_ERR_BADARG - argument passed to function was unusable";
             break;
         case RMR_ERR_NOENDPT:
             str = "RMR_ERR_NOENDPT - send//call could not find an endpoint based on msg type";
@@ -2567,5 +3204,3 @@ string translateRmrErrorMessages(int state) {
     }
     return str;
 }
-
-