1 // Copyright 2019 AT&T Intellectual Property
2 // Copyright 2019 Nokia
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
16 // This source code is part of the near-RT RIC (RAN Intelligent Controller)
17 // platform project (RICP).
19 // TODO: High-level file comment.
23 #include "sctpThread.h"
24 #include "BuildRunName.h"
27 //using namespace std::placeholders;
28 using namespace boost::filesystem;
31 using namespace opentracing;
38 // need to expose without the include of gcov
39 extern "C" void __gcov_flush(void);
41 static void catch_function(int signal) {
47 BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT(my_logger, src::logger_mt)
49 boost::shared_ptr<sinks::synchronous_sink<sinks::text_file_backend>> boostLogger;
50 double cpuClock = 0.0;
51 bool jsonTrace = true;
55 mdclog_attr_init(&attr);
56 mdclog_attr_set_ident(attr, "E2Terminator");
58 mdclog_attr_destroy(attr);
60 auto start_time = std::chrono::high_resolution_clock::now();
61 typedef std::chrono::duration<double, std::ratio<1,1>> seconds_t;
64 return seconds_t(std::chrono::high_resolution_clock::now() - start_time).count();
67 double approx_CPU_MHz(unsigned sleeptime) {
68 using namespace std::chrono_literals;
70 uint64_t cycles_start = rdtscp(aux);
71 double time_start = age();
72 std::this_thread::sleep_for(sleeptime * 1ms);
73 uint64_t elapsed_cycles = rdtscp(aux) - cycles_start;
74 double elapsed_time = age() - time_start;
75 return elapsed_cycles / elapsed_time;
78 //std::atomic<int64_t> rmrCounter{0};
79 std::atomic<int64_t> num_of_messages{0};
80 std::atomic<int64_t> num_of_XAPP_messages{0};
81 static long transactionCounter = 0;
83 int buildListeningPort(sctp_params_t &sctpParams) {
84 sctpParams.listenFD = socket (AF_INET6, SOCK_STREAM, IPPROTO_SCTP);
85 struct sockaddr_in6 servaddr {};
86 servaddr.sin6_family = AF_INET6;
87 servaddr.sin6_addr = in6addr_any;
88 servaddr.sin6_port = htons(SRC_PORT);
89 if (bind(sctpParams.listenFD, (SA *)&servaddr, sizeof(servaddr)) < 0 ) {
90 mdclog_write(MDCLOG_ERR, "Error binding. %s\n", strerror(errno));
93 if (setSocketNoBlocking(sctpParams.listenFD) == -1) {
94 //mdclog_write(MDCLOG_ERR, "Error binding. %s", strerror(errno));
97 if (mdclog_level_get() >= MDCLOG_DEBUG) {
98 struct sockaddr_in6 cliaddr {};
99 socklen_t len = sizeof(cliaddr);
100 getsockname(sctpParams.listenFD, (SA *)&cliaddr, &len);
102 inet_ntop(AF_INET6, &cliaddr.sin6_addr, buff, sizeof(buff));
103 mdclog_write(MDCLOG_DEBUG, "My address: %s, port %d\n", buff, htons(cliaddr.sin6_port));
106 if (listen(sctpParams.listenFD, SOMAXCONN) < 0) {
107 mdclog_write(MDCLOG_ERR, "Error listening. %s\n", strerror(errno));
110 struct epoll_event event {};
111 event.events = EPOLLIN | EPOLLET;
112 event.data.fd = sctpParams.listenFD;
114 // add listening port to epoll
115 if (epoll_ctl(sctpParams.epoll_fd, EPOLL_CTL_ADD, sctpParams.listenFD, &event)) {
116 printf("Failed to add descriptor to epoll\n");
117 mdclog_write(MDCLOG_ERR, "Failed to add descriptor to epoll. %s\n", strerror(errno));
124 int buildConfiguration(sctp_params_t &sctpParams) {
125 path p = (sctpParams.configFilePath + "/" + sctpParams.configFileName).c_str();
127 const int size = 2048;
128 auto fileSize = file_size(p);
129 if (fileSize > size) {
130 mdclog_write(MDCLOG_ERR, "File %s larger than %d", p.string().c_str(), size);
134 mdclog_write(MDCLOG_ERR, "Configuration File %s not exists", p.string().c_str());
139 if (conf.openConfigFile(p.string()) == -1) {
140 mdclog_write(MDCLOG_ERR, "Filed to open config file %s, %s",
141 p.string().c_str(), strerror(errno));
144 int rmrPort = conf.getIntValue("nano");
146 mdclog_write(MDCLOG_ERR, "illigal RMR port ");
149 sctpParams.rmrPort = (uint16_t)rmrPort;
150 snprintf(sctpParams.rmrAddress, sizeof(sctpParams.rmrAddress), "%d", (int) (sctpParams.rmrPort));
152 auto tmpStr = conf.getStringValue("loglevel");
153 if (tmpStr.length() == 0) {
154 mdclog_write(MDCLOG_ERR, "illigal loglevel. Set loglevel to MDCLOG_INFO");
157 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
159 if ((tmpStr.compare("debug")) == 0) {
160 sctpParams.logLevel = MDCLOG_DEBUG;
161 } else if ((tmpStr.compare("info")) == 0) {
162 sctpParams.logLevel = MDCLOG_INFO;
163 } else if ((tmpStr.compare("warning")) == 0) {
164 sctpParams.logLevel = MDCLOG_WARN;
165 } else if ((tmpStr.compare("error")) == 0) {
166 sctpParams.logLevel = MDCLOG_ERR;
168 mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
169 sctpParams.logLevel = MDCLOG_INFO;
171 mdclog_level_set(sctpParams.logLevel);
173 tmpStr = conf.getStringValue("volume");
174 if (tmpStr.length() == 0) {
175 mdclog_write(MDCLOG_ERR, "illigal volume.");
179 char tmpLogFilespec[VOLUME_URL_SIZE];
180 tmpLogFilespec[0] = 0;
181 sctpParams.volume[0] = 0;
182 snprintf(sctpParams.volume, VOLUME_URL_SIZE, "%s", tmpStr.c_str());
183 // copy the name to temp file as well
184 snprintf(tmpLogFilespec, VOLUME_URL_SIZE, "%s", tmpStr.c_str());
187 // define the file name in the tmp directory under the volume
188 strcat(tmpLogFilespec,"/tmp/E2Term_%Y-%m-%d_%H-%M-%S.%N.tmpStr");
190 // std::string localIP = conf.getStringValue("local-ip");
191 // if (localIP.length() == 0) {
192 // mdclog_write(MDCLOG_ERR, "illigal local-ip. environment variable");
196 //sctpParams.myIP.assign(getenv(localIP.c_str()));
197 sctpParams.myIP = conf.getStringValue("local-ip");
198 if (sctpParams.myIP.length() == 0) {
199 mdclog_write(MDCLOG_ERR, "illigal local-ip.");
203 sctpParams.fqdn = conf.getStringValue("external-fqdn");
204 if (sctpParams.fqdn.length() == 0) {
205 mdclog_write(MDCLOG_ERR, "illigal external-fqdn");
209 std::string pod = conf.getStringValue("pod_name");
210 if (pod.length() == 0) {
211 mdclog_write(MDCLOG_ERR, "illigal pod_name in config file");
214 auto *podName = getenv(pod.c_str());
215 if (podName == nullptr) {
216 mdclog_write(MDCLOG_ERR, "illigal pod_name or environment varible not exists : %s", pod.c_str());
220 sctpParams.podName.assign(podName);
221 if (sctpParams.podName.length() == 0) {
222 mdclog_write(MDCLOG_ERR, "illigal pod_name");
227 tmpStr = conf.getStringValue("trace");
228 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
229 if ((tmpStr.compare("start")) == 0) {
230 mdclog_write(MDCLOG_INFO, "Trace set to: start");
231 sctpParams.trace = true;
232 } else if ((tmpStr.compare("stop")) == 0) {
233 mdclog_write(MDCLOG_INFO, "Trace set to: stop");
234 sctpParams.trace = false;
236 jsonTrace = sctpParams.trace;
238 sctpParams.ka_message_length = snprintf(sctpParams.ka_message, 4096, "{\"address\": \"%s:%d\","
240 "\"pod_name\": \"%s\"}",
241 (const char *)sctpParams.myIP.c_str(),
243 sctpParams.fqdn.c_str(),
244 sctpParams.podName.c_str());
246 if (mdclog_level_get() >= MDCLOG_INFO) {
247 mdclog_mdc_add("RMR Port", to_string(sctpParams.rmrPort).c_str());
248 mdclog_mdc_add("LogLevel", to_string(sctpParams.logLevel).c_str());
249 mdclog_mdc_add("volume", sctpParams.volume);
250 mdclog_mdc_add("tmpLogFilespec", tmpLogFilespec);
251 mdclog_mdc_add("my ip", sctpParams.myIP.c_str());
252 mdclog_mdc_add("pod name", sctpParams.podName.c_str());
254 mdclog_write(MDCLOG_INFO, "running parameters for instance : %s", sctpParams.ka_message);
258 // Files written to the current working directory
259 boostLogger = logging::add_file_log(
260 keywords::file_name = tmpLogFilespec, // to temp directory
261 keywords::rotation_size = 10 * 1024 * 1024,
262 keywords::time_based_rotation = sinks::file::rotation_at_time_interval(posix_time::hours(1)),
263 keywords::format = "%Message%"
264 //keywords::format = "[%TimeStamp%]: %Message%" // use each tmpStr with time stamp
267 // Setup a destination folder for collecting rotated (closed) files --since the same volumn can use rename()
268 boostLogger->locked_backend()->set_file_collector(sinks::file::make_collector(
269 keywords::target = sctpParams.volume
272 // Upon restart, scan the directory for files matching the file_name pattern
273 boostLogger->locked_backend()->scan_for_files();
275 // Enable auto-flushing after each tmpStr record written
276 if (mdclog_level_get() >= MDCLOG_DEBUG) {
277 boostLogger->locked_backend()->auto_flush(true);
283 int main(const int argc, char **argv) {
284 sctp_params_t sctpParams;
287 opentracing::Tracer::InitGlobal(tracelibcpp::createTracer("E2 Terminator"));
288 auto span = opentracing::Tracer::Global()->StartSpan(__FUNCTION__);
294 std::random_device device{};
295 std::mt19937 generator(device());
296 std::uniform_int_distribution<long> distribution(1, (long) 1e12);
297 transactionCounter = distribution(generator);
301 // uint32_t aux1 = 0;
302 // st = rdtscp(aux1);
304 unsigned num_cpus = std::thread::hardware_concurrency();
306 mdclog_level_set(MDCLOG_INFO);
308 if (std::signal(SIGINT, catch_function) == SIG_ERR) {
309 mdclog_write(MDCLOG_ERR, "Error initializing SIGINT");
312 if (std::signal(SIGABRT, catch_function)== SIG_ERR) {
313 mdclog_write(MDCLOG_ERR, "Error initializing SIGABRT");
316 if (std::signal(SIGTERM, catch_function)== SIG_ERR) {
317 mdclog_write(MDCLOG_ERR, "Error initializing SIGTERM");
321 cpuClock = approx_CPU_MHz(100);
323 mdclog_write(MDCLOG_DEBUG, "CPU speed %11.11f", cpuClock);
325 auto result = parse(argc, argv, sctpParams);
327 if (buildConfiguration(sctpParams) != 0) {
332 sctpParams.epoll_fd = epoll_create1(0);
333 if (sctpParams.epoll_fd == -1) {
334 mdclog_write(MDCLOG_ERR, "failed to open epoll descriptor");
338 getRmrContext(sctpParams, &span);
339 if (sctpParams.rmrCtx == nullptr) {
340 close(sctpParams.epoll_fd);
344 if (buildInotify(sctpParams) == -1) {
345 close(sctpParams.rmrListenFd);
346 rmr_close(sctpParams.rmrCtx);
347 close(sctpParams.epoll_fd);
351 if (buildListeningPort(sctpParams) != 0) {
352 close(sctpParams.rmrListenFd);
353 rmr_close(sctpParams.rmrCtx);
354 close(sctpParams.epoll_fd);
358 sctpParams.sctpMap = new mapWrapper();
360 std::vector<std::thread> threads(num_cpus);
361 // std::vector<std::thread> threads;
364 for (unsigned int i = 0; i < num_cpus; i++) {
365 threads[i] = std::thread(listener, &sctpParams);
370 int rc = pthread_setaffinity_np(threads[i].native_handle(), sizeof(cpu_set_t), &cpuset);
372 mdclog_write(MDCLOG_ERR, "Error calling pthread_setaffinity_np: %d", rc);
376 //loop over term_init until first message from xApp
377 handleTermInit(sctpParams);
379 for (auto &t : threads) {
384 opentracing::Tracer::Global()->Close();
389 void handleTermInit(sctp_params_t &sctpParams) {
390 sendTermInit(sctpParams);
391 //send to e2 manager init of e2 term
396 auto xappMessages = num_of_XAPP_messages.load(std::memory_order_acquire);
397 if (xappMessages > 0) {
398 if (mdclog_level_get() >= MDCLOG_INFO) {
399 mdclog_write(MDCLOG_INFO, "Got a message from some appliction, stop sending E2_TERM_INIT");
405 if (count % 1000 == 0) {
406 mdclog_write(MDCLOG_ERR, "GOT No messages from any xApp");
407 sendTermInit(sctpParams);
412 void sendTermInit(sctp_params_t &sctpParams) {
413 rmr_mbuf_t *msg = rmr_alloc_msg(sctpParams.rmrCtx, sctpParams.ka_message_length);
416 msg->mtype = E2_TERM_INIT;
418 rmr_bytes2payload(msg, (unsigned char *)sctpParams.ka_message, sctpParams.ka_message_length);
419 static unsigned char tx[32];
420 auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
421 rmr_bytes2xact(msg, tx, txLen);
422 msg = rmr_send_msg(sctpParams.rmrCtx, msg);
423 if (msg == nullptr) {
424 msg = rmr_alloc_msg(sctpParams.rmrCtx, sctpParams.myIP.length());
425 } else if (msg->state == 0) {
427 if (mdclog_level_get() >= MDCLOG_INFO) {
428 mdclog_write(MDCLOG_INFO, "E2_TERM_INIT succsesfuly sent ");
432 if (count % 100 == 0) {
433 mdclog_write(MDCLOG_ERR, "Error sending E2_TERM_INIT cause : %d ", msg->state);
448 cxxopts::ParseResult parse(int argc, char *argv[], sctp_params_t &sctpParams) {
449 cxxopts::Options options(argv[0], "e2 term help");
450 options.positional_help("[optional args]").show_positional_help();
451 options.allow_unrecognised_options().add_options()
452 ("p,path", "config file path", cxxopts::value<std::string>(sctpParams.configFilePath)->default_value("config"))
453 ("f,file", "config file name", cxxopts::value<std::string>(sctpParams.configFileName)->default_value("config.conf"))
454 ("h,help", "Print help");
456 auto result = options.parse(argc, argv);
458 if (result.count("help")) {
459 std::cout << options.help({""}) << std::endl;
468 * @return -1 failed 0 success
470 int buildInotify(sctp_params_t &sctpParams) {
471 sctpParams.inotifyFD = inotify_init1(IN_NONBLOCK);
472 if (sctpParams.inotifyFD == -1) {
473 mdclog_write(MDCLOG_ERR, "Failed to init inotify (inotify_init1) %s", strerror(errno));
474 close(sctpParams.rmrListenFd);
475 rmr_close(sctpParams.rmrCtx);
476 close(sctpParams.epoll_fd);
480 sctpParams.inotifyWD = inotify_add_watch(sctpParams.inotifyFD,
481 (const char *)sctpParams.configFilePath.c_str(),
482 (unsigned)IN_OPEN | (unsigned)IN_CLOSE_WRITE | (unsigned)IN_CLOSE_NOWRITE); //IN_CLOSE = (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
483 if (sctpParams.inotifyWD == -1) {
484 mdclog_write(MDCLOG_ERR, "Failed to add directory : %s to inotify (inotify_add_watch) %s",
485 sctpParams.configFilePath.c_str(),
487 close(sctpParams.inotifyFD);
491 struct epoll_event event{};
492 event.events = (EPOLLIN);
493 event.data.fd = sctpParams.inotifyFD;
494 // add listening RMR FD to epoll
495 if (epoll_ctl(sctpParams.epoll_fd, EPOLL_CTL_ADD, sctpParams.inotifyFD, &event)) {
496 mdclog_write(MDCLOG_ERR, "Failed to add inotify FD to epoll");
497 close(sctpParams.inotifyFD);
508 void listener(sctp_params_t *params) {
510 auto span = opentracing::Tracer::Global()->StartSpan(__FUNCTION__);
514 int num_of_SCTP_messages = 0;
515 auto totalTime = 0.0;
517 mdclog_level_set(params->logLevel);
519 std::thread::id this_id = std::this_thread::get_id();
521 streambuf *oldCout = cout.rdbuf();
522 ostringstream memCout;
524 cout.rdbuf(memCout.rdbuf());
526 //return to the normal cout
530 memcpy(tid, memCout.str().c_str(), memCout.str().length() < 32 ? memCout.str().length() : 31);
531 tid[memCout.str().length()] = 0;
532 mdclog_mdc_add("thread id", tid);
534 if (mdclog_level_get() >= MDCLOG_DEBUG) {
535 mdclog_write(MDCLOG_DEBUG, "started thread number %s", tid);
539 RmrMessagesBuffer_t rmrMessageBuffer{};
540 //create and init RMR
541 rmrMessageBuffer.rmrCtx = params->rmrCtx;
543 auto *events = (struct epoll_event *) calloc(MAXEVENTS, sizeof(struct epoll_event));
544 struct timespec end{0, 0};
545 struct timespec start{0, 0};
547 rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
548 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
550 memcpy(rmrMessageBuffer.ka_message, params->ka_message, params->ka_message_length);
551 rmrMessageBuffer.ka_message_len = params->ka_message_length;
552 rmrMessageBuffer.ka_message[rmrMessageBuffer.ka_message_len] = 0;
554 if (mdclog_level_get() >= MDCLOG_DEBUG) {
555 mdclog_write(MDCLOG_DEBUG, "keep alive message is : %s", rmrMessageBuffer.ka_message);
558 ReportingMessages_t message {};
560 for (int i = 0; i < MAX_RMR_BUFF_ARRY; i++) {
561 rmrMessageBuffer.rcvBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
562 rmrMessageBuffer.sendBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
566 if (mdclog_level_get() >= MDCLOG_DEBUG) {
567 mdclog_write(MDCLOG_DEBUG, "Start EPOLL Wait");
569 auto numOfEvents = epoll_wait(params->epoll_fd, events, MAXEVENTS, -1);
570 if (numOfEvents < 0 && errno == EINTR) {
571 if (mdclog_level_get() >= MDCLOG_DEBUG) {
572 mdclog_write(MDCLOG_DEBUG, "got EINTR : %s", strerror(errno));
576 if (numOfEvents < 0) {
577 mdclog_write(MDCLOG_ERR, "Epoll wait failed, errno = %s", strerror(errno));
580 for (auto i = 0; i < numOfEvents; i++) {
581 if (mdclog_level_get() >= MDCLOG_DEBUG) {
582 mdclog_write(MDCLOG_DEBUG, "handling epoll event %d out of %d", i + 1, numOfEvents);
584 clock_gettime(CLOCK_MONOTONIC, &message.message.time);
585 start.tv_sec = message.message.time.tv_sec;
586 start.tv_nsec = message.message.time.tv_nsec;
589 if ((events[i].events & EPOLLERR) || (events[i].events & EPOLLHUP)) {
590 handlepoll_error(events[i], message, rmrMessageBuffer, params, &span);
591 } else if (events[i].events & EPOLLOUT) {
592 handleEinprogressMessages(events[i], message, rmrMessageBuffer, params, &span);
593 } else if (params->listenFD == events[i].data.fd) {
594 // new connection is requested from RAN start build connection
596 struct sockaddr in_addr {};
598 char hostBuff[NI_MAXHOST];
599 char portBuff[NI_MAXSERV];
601 in_len = sizeof(in_addr);
602 auto *peerInfo = (ConnectedCU_t *)calloc(1, sizeof(ConnectedCU_t));
603 peerInfo->sctpParams = params;
604 peerInfo->fileDescriptor = accept(params->listenFD, &in_addr, &in_len);
605 if (peerInfo->fileDescriptor == -1) {
606 if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
607 /* We have processed all incoming connections. */
610 mdclog_write(MDCLOG_ERR, "Accept error, errno = %s", strerror(errno));
614 if (setSocketNoBlocking(peerInfo->fileDescriptor) == -1) {
615 mdclog_write(MDCLOG_ERR, "setSocketNoBlocking failed to set new connection %s on port %s\n", hostBuff, portBuff);
616 close(peerInfo->fileDescriptor);
619 auto ans = getnameinfo(&in_addr, in_len,
620 peerInfo->hostName, NI_MAXHOST,
621 peerInfo->portNumber, NI_MAXSERV, NI_NUMERICHOST | NI_NUMERICSERV);
623 mdclog_write(MDCLOG_ERR, "Failed to get info on connection request. %s\n", strerror(errno));
624 close(peerInfo->fileDescriptor);
627 if (mdclog_level_get() >= MDCLOG_DEBUG) {
628 mdclog_write(MDCLOG_DEBUG, "Accepted connection on descriptor %d (host=%s, port=%s)\n", peerInfo->fileDescriptor, peerInfo->hostName, peerInfo->portNumber);
630 peerInfo->isConnected = false;
631 peerInfo->gotSetup = false;
632 if (addToEpoll(params->epoll_fd,
635 params->sctpMap, nullptr,
643 } else if (params->rmrListenFd == events[i].data.fd) {
644 // got message from XAPP
645 num_of_XAPP_messages.fetch_add(1, std::memory_order_release);
646 num_of_messages.fetch_add(1, std::memory_order_release);
647 if (mdclog_level_get() >= MDCLOG_DEBUG) {
648 mdclog_write(MDCLOG_DEBUG, "new message from RMR");
650 if (receiveXappMessages(params->epoll_fd,
653 message.message.time,
655 mdclog_write(MDCLOG_ERR, "Error handling Xapp message");
657 } else if (params->inotifyFD == events[i].data.fd) {
658 mdclog_write(MDCLOG_INFO, "Got event from inotify (configuration update)");
659 handleConfigChange(params);
661 /* We RMR_ERR_RETRY have data on the fd waiting to be read. Read and display it.
662 * We must read whatever data is available completely, as we are running
663 * in edge-triggered mode and won't get a notification again for the same data. */
664 num_of_messages.fetch_add(1, std::memory_order_release);
665 if (mdclog_level_get() >= MDCLOG_DEBUG) {
666 mdclog_write(MDCLOG_DEBUG, "new message from SCTP, epoll flags are : %0x", events[i].events);
668 receiveDataFromSctp(&events[i],
670 num_of_SCTP_messages,
672 message.message.time,
676 clock_gettime(CLOCK_MONOTONIC, &end);
677 if (mdclog_level_get() >= MDCLOG_INFO) {
678 totalTime += ((end.tv_sec + 1.0e-9 * end.tv_nsec) -
679 ((double) start.tv_sec + 1.0e-9 * start.tv_nsec));
681 if (mdclog_level_get() >= MDCLOG_DEBUG) {
682 mdclog_write(MDCLOG_DEBUG, "message handling is %ld seconds %ld nanoseconds",
683 end.tv_sec - start.tv_sec,
684 end.tv_nsec - start.tv_nsec);
699 void handleConfigChange(sctp_params_t *sctpParams) {
700 char buf[4096] __attribute__ ((aligned(__alignof__(struct inotify_event))));
701 const struct inotify_event *event;
704 path p = (sctpParams->configFilePath + "/" + sctpParams->configFileName).c_str();
705 auto endlessLoop = true;
706 while (endlessLoop) {
707 auto len = read(sctpParams->inotifyFD, buf, sizeof buf);
709 if (errno != EAGAIN) {
710 mdclog_write(MDCLOG_ERR, "read %s ", strerror(errno));
720 for (ptr = buf; ptr < buf + len; ptr += sizeof(struct inotify_event) + event->len) {
721 event = (const struct inotify_event *)ptr;
722 if (event->mask & (uint32_t)IN_ISDIR) {
726 // the directory name
727 if (sctpParams->inotifyWD == event->wd) {
731 if (!(sctpParams->configFileName.compare(event->name))) {
735 // only the file we want
736 if (event->mask & (uint32_t)IN_CLOSE_WRITE) {
738 const int size = 2048;
739 auto fileSize = file_size(p);
740 if (fileSize > size) {
741 mdclog_write(MDCLOG_ERR, "File %s larger than %d", p.string().c_str(), size);
745 mdclog_write(MDCLOG_ERR, "Configuration File %s not exists", p.string().c_str());
750 if (conf.openConfigFile(p.string()) == -1) {
751 mdclog_write(MDCLOG_ERR, "Filed to open config file %s, %s",
752 p.string().c_str(), strerror(errno));
756 auto tmpStr = conf.getStringValue("loglevel");
757 if (tmpStr.length() == 0) {
758 mdclog_write(MDCLOG_ERR, "illigal loglevel. Set loglevel to MDCLOG_INFO");
761 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
763 if ((tmpStr.compare("debug")) == 0) {
764 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_DEBUG");
765 sctpParams->logLevel = MDCLOG_DEBUG;
766 } else if ((tmpStr.compare("info")) == 0) {
767 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_INFO");
768 sctpParams->logLevel = MDCLOG_INFO;
769 } else if ((tmpStr.compare("warning")) == 0) {
770 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_WARN");
771 sctpParams->logLevel = MDCLOG_WARN;
772 } else if ((tmpStr.compare("error")) == 0) {
773 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_ERR");
774 sctpParams->logLevel = MDCLOG_ERR;
776 mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
777 sctpParams->logLevel = MDCLOG_INFO;
779 mdclog_level_set(sctpParams->logLevel);
782 tmpStr = conf.getStringValue("trace");
783 if (tmpStr.length() == 0) {
784 mdclog_write(MDCLOG_ERR, "illigal trace. Set trace to stop");
788 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
789 if ((tmpStr.compare("start")) == 0) {
790 mdclog_write(MDCLOG_INFO, "Trace set to: start");
791 sctpParams->trace = true;
792 } else if ((tmpStr.compare("stop")) == 0) {
793 mdclog_write(MDCLOG_INFO, "Trace set to: stop");
794 sctpParams->trace = false;
796 mdclog_write(MDCLOG_ERR, "Trace was set to wrong value %s, set to stop", tmpStr.c_str());
797 sctpParams->trace = false;
799 jsonTrace = sctpParams->trace;
810 * @param rmrMessageBuffer
814 void handleEinprogressMessages(struct epoll_event &event,
815 ReportingMessages_t &message,
816 RmrMessagesBuffer_t &rmrMessageBuffer,
817 sctp_params_t *params,
820 auto lspan = opentracing::Tracer::Global()->StartSpan(
821 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
825 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
826 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
828 mdclog_write(MDCLOG_INFO, "file descriptor %d got EPOLLOUT", peerInfo->fileDescriptor);
830 socklen_t retValLen = 0;
831 auto rc = getsockopt(peerInfo->fileDescriptor, SOL_SOCKET, SO_ERROR, &retVal, &retValLen);
832 if (rc != 0 || retVal != 0) {
834 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
835 "%s|Failed SCTP Connection, after EINPROGRESS the getsockopt%s",
836 peerInfo->enodbName, strerror(errno));
837 } else if (retVal != 0) {
838 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
839 "%s|Failed SCTP Connection after EINPROGRESS, SO_ERROR",
840 peerInfo->enodbName);
843 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
844 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
845 mdclog_write(MDCLOG_ERR, "%s", rmrMessageBuffer.sendMessage->payload);
846 message.message.direction = 'N';
847 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer, &lspan) != 0) {
848 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
850 memset(peerInfo->asnData, 0, peerInfo->asnLength);
851 peerInfo->asnLength = 0;
859 peerInfo->isConnected = true;
861 if (modifyToEpoll(params->epoll_fd, peerInfo, (EPOLLIN | EPOLLET), params->sctpMap, peerInfo->enodbName,
862 peerInfo->mtype, &lspan) != 0) {
863 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_MOD");
870 message.message.asndata = (unsigned char *)peerInfo->asnData;
871 message.message.asnLength = peerInfo->asnLength;
872 message.message.messageType = peerInfo->mtype;
873 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
874 num_of_messages.fetch_add(1, std::memory_order_release);
875 if (mdclog_level_get() >= MDCLOG_DEBUG) {
876 mdclog_write(MDCLOG_DEBUG, "send the delayed SETUP/ENDC SETUP to sctp for %s",
877 message.message.enodbName);
879 if (sendSctpMsg(peerInfo, message, params->sctpMap, &lspan) != 0) {
880 if (mdclog_level_get() >= MDCLOG_DEBUG) {
881 mdclog_write(MDCLOG_DEBUG, "Error write to SCTP %s %d", __func__, __LINE__);
889 memset(peerInfo->asnData, 0, peerInfo->asnLength);
890 peerInfo->asnLength = 0;
898 void handlepoll_error(struct epoll_event &event,
899 ReportingMessages_t &message,
900 RmrMessagesBuffer_t &rmrMessageBuffer,
901 sctp_params_t *params,
904 auto lspan = opentracing::Tracer::Global()->StartSpan(
905 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
909 if (event.data.fd != params->rmrListenFd) {
910 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
911 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on fd %d, RAN NAME : %s",
912 event.events, peerInfo->fileDescriptor, peerInfo->enodbName);
914 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
915 "%s|Failed SCTP Connection",
916 peerInfo->enodbName);
917 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
918 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
920 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
921 message.message.direction = 'N';
922 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer, &lspan) != 0) {
923 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
926 close(peerInfo->fileDescriptor);
927 cleanHashEntry((ConnectedCU_t *) event.data.ptr, params->sctpMap, &lspan);
929 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on RMR FD", event.events);
941 int setSocketNoBlocking(int socket) {
942 auto flags = fcntl(socket, F_GETFL, 0);
945 mdclog_mdc_add("func", "fcntl");
946 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
951 flags = (unsigned) flags | (unsigned) O_NONBLOCK;
952 if (fcntl(socket, F_SETFL, flags) == -1) {
953 mdclog_mdc_add("func", "fcntl");
954 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
968 void cleanHashEntry(ConnectedCU_t *val, Sctp_Map_t *m, otSpan *pSpan) {
970 auto lspan = opentracing::Tracer::Global()->StartSpan(
971 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
976 auto port = (uint16_t) strtol(val->portNumber, &dummy, 10);
977 char searchBuff[2048]{};
979 snprintf(searchBuff, sizeof searchBuff, "host:%s:%d", val->hostName, port);
980 m->erase(searchBuff);
982 m->erase(val->enodbName);
991 * @param fd file discriptor
992 * @param data the asn data to send
993 * @param len length of the data
994 * @param enodbName the enodbName as in the map for printing purpose
995 * @param m map host information
996 * @param mtype message number
997 * @return 0 success, anegative number on fail
999 int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_t *m, otSpan *pSpan) {
1001 auto lspan = opentracing::Tracer::Global()->StartSpan(
1002 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1006 auto loglevel = mdclog_level_get();
1007 int fd = peerInfo->fileDescriptor;
1008 if (loglevel >= MDCLOG_DEBUG) {
1009 mdclog_write(MDCLOG_DEBUG, "Send SCTP message for CU %s, %s",
1010 message.message.enodbName, __FUNCTION__);
1014 if (send(fd,message.message.asndata, message.message.asnLength,MSG_NOSIGNAL) < 0) {
1015 if (errno == EINTR) {
1018 mdclog_write(MDCLOG_ERR, "error writing to CU a message, %s ", strerror(errno));
1019 if (!peerInfo->isConnected) {
1020 mdclog_write(MDCLOG_ERR, "connection to CU %s is still in progress.", message.message.enodbName);
1026 cleanHashEntry(peerInfo, m, &lspan);
1028 char key[MAX_ENODB_NAME_SIZE * 2];
1029 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName,
1030 message.message.messageType);
1031 if (loglevel >= MDCLOG_DEBUG) {
1032 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
1034 auto tmp = m->find(key);
1044 message.message.direction = 'D';
1045 // send report.buffer of size
1046 buildJsonMessage(message);
1048 if (loglevel >= MDCLOG_DEBUG) {
1049 mdclog_write(MDCLOG_DEBUG,
1050 "SCTP message for CU %s sent from %s",
1051 message.message.enodbName,
1064 * @param rmrMessageBuffer
1067 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer, otSpan *pSpan) {
1069 auto lspan = opentracing::Tracer::Global()->StartSpan(
1070 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1072 // otSpan lspan = 0;
1074 rmr_get_meid(rmrMessageBuffer.rcvMessage, (unsigned char *)(message.message.enodbName));
1076 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
1077 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
1079 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1080 mdclog_write(MDCLOG_DEBUG, "Message from Xapp RAN name = %s message length = %ld",
1081 message.message.enodbName, (unsigned long) message.message.asnLength);
1092 * @param metaData all the data strip to structure
1093 * @param data the data recived from xAPP
1094 * @return 0 success all other values are fault
1096 int getSetupRequestMetaData(ReportingMessages_t &message, char *data, char *host, uint16_t &port, otSpan *pSpan) {
1098 auto lspan = opentracing::Tracer::Global()->StartSpan(
1099 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1101 // otSpan lspan = 0;
1103 auto loglevel = mdclog_level_get();
1105 char delimiter[4] {};
1106 memset(delimiter, 0, (size_t)4);
1110 char *val = strtok_r(data, delimiter, &tmp);
1111 if (val != nullptr) {
1112 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1113 mdclog_write(MDCLOG_DEBUG, "SCTP ADDRESS parameter from message = %s", val);
1115 memcpy(host, val, tmp - val );
1117 mdclog_write(MDCLOG_ERR, "wrong Host Name for setup request %s", data);
1124 val = strtok_r(nullptr, delimiter, &tmp);
1125 if (val != nullptr) {
1126 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1127 mdclog_write(MDCLOG_DEBUG, "PORT parameter from message = %s", val);
1130 port = (uint16_t)strtol(val, &dummy, 10);
1132 mdclog_write(MDCLOG_ERR, "wrong Port for setup request %s", data);
1139 val = strtok_r(nullptr, delimiter, &tmp);
1140 if (val != nullptr) {
1141 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1142 mdclog_write(MDCLOG_DEBUG, "RAN NAME parameter from message = %s", val);
1144 memcpy(message.message.enodbName, val, tmp - val);
1146 mdclog_write(MDCLOG_ERR, "wrong gNb/Enodeb name for setup request %s", data);
1153 val = strtok_r(nullptr, delimiter, &tmp);
1154 if (val != nullptr) {
1155 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1156 mdclog_write(MDCLOG_DEBUG, "ASN length parameter from message = %s", val);
1159 message.message.asnLength = (uint16_t) strtol(val, &dummy, 10);
1161 mdclog_write(MDCLOG_ERR, "wrong ASN length for setup request %s", data);
1168 message.message.asndata = (unsigned char *)tmp; // tmp is local but point to the location in data
1170 if (loglevel >= MDCLOG_INFO) {
1171 mdclog_write(MDCLOG_INFO, "Message from Xapp RAN name = %s host address = %s port = %d",
1172 message.message.enodbName, host, port);
1185 * @param numOfMessages
1186 * @param rmrMessageBuffer
1191 int receiveDataFromSctp(struct epoll_event *events,
1192 Sctp_Map_t *sctpMap,
1194 RmrMessagesBuffer_t &rmrMessageBuffer,
1195 struct timespec &ts,
1198 auto lspan = opentracing::Tracer::Global()->StartSpan(
1199 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1203 /* We have data on the fd waiting to be read. Read and display it.
1204 * We must read whatever data is available completely, as we are running
1205 * in edge-triggered mode and won't get a notification again for the same data. */
1206 ReportingMessages_t message {};
1208 auto loglevel = mdclog_level_get();
1210 // get the identity of the interface
1211 message.peerInfo = (ConnectedCU_t *)events->data.ptr;
1214 struct timespec start{0, 0};
1215 struct timespec decodestart{0, 0};
1216 struct timespec end{0, 0};
1218 E2AP_PDU_t *pdu = nullptr;
1222 if (loglevel >= MDCLOG_DEBUG) {
1223 mdclog_write(MDCLOG_DEBUG, "Start Read from SCTP %d fd", message.peerInfo->fileDescriptor);
1224 clock_gettime(CLOCK_MONOTONIC, &start);
1226 // read the buffer directly to rmr payload
1227 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1228 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1229 read(message.peerInfo->fileDescriptor, rmrMessageBuffer.sendMessage->payload, RECEIVE_SCTP_BUFFER_SIZE);
1231 if (loglevel >= MDCLOG_DEBUG) {
1232 mdclog_write(MDCLOG_DEBUG, "Finish Read from SCTP %d fd message length = %ld",
1233 message.peerInfo->fileDescriptor, message.message.asnLength);
1235 memcpy(message.message.enodbName, message.peerInfo->enodbName, sizeof(message.peerInfo->enodbName));
1236 message.message.direction = 'U';
1237 message.message.time.tv_nsec = ts.tv_nsec;
1238 message.message.time.tv_sec = ts.tv_sec;
1240 if (message.message.asnLength < 0) {
1241 if (errno == EINTR) {
1244 /* If errno == EAGAIN, that means we have read all
1245 data. So goReportingMessages_t back to the main loop. */
1246 if (errno != EAGAIN) {
1247 mdclog_write(MDCLOG_ERR, "Read error, %s ", strerror(errno));
1249 } else if (loglevel >= MDCLOG_DEBUG) {
1250 mdclog_write(MDCLOG_DEBUG, "EAGAIN - descriptor = %d", message.peerInfo->fileDescriptor);
1253 } else if (message.message.asnLength == 0) {
1254 /* End of file. The remote has closed the connection. */
1255 if (loglevel >= MDCLOG_INFO) {
1256 mdclog_write(MDCLOG_INFO, "END of File Closed connection - descriptor = %d",
1257 message.peerInfo->fileDescriptor);
1263 asn_dec_rval_t rval;
1264 if (loglevel >= MDCLOG_DEBUG) {
1265 char printBuffer[4096]{};
1266 char *tmp = printBuffer;
1267 for (size_t i = 0; i < (size_t)message.message.asnLength; ++i) {
1268 snprintf(tmp, 3, "%02x", message.message.asndata[i]);
1271 printBuffer[message.message.asnLength] = 0;
1272 clock_gettime(CLOCK_MONOTONIC, &end);
1273 mdclog_write(MDCLOG_DEBUG, "Before Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1274 message.peerInfo->enodbName, end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1275 mdclog_write(MDCLOG_DEBUG, "PDU buffer length = %ld, data = : %s", message.message.asnLength,
1277 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1280 rval = asn_decode(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void **) &pdu,
1281 message.message.asndata, message.message.asnLength);
1282 if (rval.code != RC_OK) {
1283 mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) E2AP PDU from RAN : %s", rval.code,
1284 message.peerInfo->enodbName);
1288 if (loglevel >= MDCLOG_DEBUG) {
1289 clock_gettime(CLOCK_MONOTONIC, &end);
1290 mdclog_write(MDCLOG_DEBUG, "After Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1291 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1294 FILE *stream = open_memstream(&printBuffer, &size);
1295 asn_fprint(stream, &asn_DEF_E2AP_PDU, pdu);
1296 mdclog_write(MDCLOG_DEBUG, "Encoding E2AP PDU past : %s", printBuffer);
1297 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1300 switch (pdu->present) {
1301 case E2AP_PDU_PR_initiatingMessage: {//initiating message
1302 asnInitiatingRequest(pdu, message, rmrMessageBuffer, &lspan);
1305 case E2AP_PDU_PR_successfulOutcome: { //successful outcome
1306 asnSuccsesfulMsg(pdu, message, sctpMap, rmrMessageBuffer, &lspan);
1309 case E2AP_PDU_PR_unsuccessfulOutcome: { //Unsuccessful Outcome
1310 asnUnSuccsesfulMsg(pdu, message, sctpMap, rmrMessageBuffer, &lspan);
1314 mdclog_write(MDCLOG_ERR, "Unknown index %d in E2AP PDU", pdu->present);
1317 if (loglevel >= MDCLOG_DEBUG) {
1318 clock_gettime(CLOCK_MONOTONIC, &end);
1319 mdclog_write(MDCLOG_DEBUG,
1320 "After processing message and sent to rmr for : %s, Read time is : %ld seconds, %ld nanoseconds",
1321 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1324 // remove the break for EAGAIN
1326 if (pdu != nullptr) {
1327 //TODO need to test ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu); to get better performance
1328 //ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu);
1329 ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1332 //clock_gettime(CLOCK_MONOTONIC, &start);
1334 // in case of break to avoid memory leak
1335 if (pdu != nullptr) {
1336 ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1341 if (loglevel >= MDCLOG_INFO) {
1342 mdclog_write(MDCLOG_INFO, "Closed connection - descriptor = %d", message.peerInfo->fileDescriptor);
1344 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1345 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
1347 "%s|CU disconnected unexpectedly",
1348 message.peerInfo->enodbName);
1349 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1351 if (sendRequestToXapp(message,
1352 RIC_SCTP_CONNECTION_FAILURE,
1355 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
1358 /* Closing descriptor make epoll remove it from the set of descriptors which are monitored. */
1359 close(message.peerInfo->fileDescriptor);
1360 cleanHashEntry((ConnectedCU_t *) events->data.ptr, sctpMap, &lspan);
1362 if (loglevel >= MDCLOG_DEBUG) {
1363 clock_gettime(CLOCK_MONOTONIC, &end);
1364 mdclog_write(MDCLOG_DEBUG, "from receive SCTP to send RMR time is %ld seconds and %ld nanoseconds",
1365 end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1375 static void buildAndsendSetupRequest(ReportingMessages_t &message,
1376 E2setupRequestIEs_t *ie,
1377 RmrMessagesBuffer_t &rmrMessageBuffer,
1379 auto logLevel = mdclog_level_get();
1382 if (buildRanName(message.peerInfo->enodbName, ie) < 0) {
1383 mdclog_write(MDCLOG_ERR, "Bad param in E2setupRequestIEs GlobalE2node_ID.\n");
1385 memcpy(message.message.enodbName, message.peerInfo->enodbName, strlen(message.peerInfo->enodbName));
1387 // now we can send the data to e2Mgr
1388 auto buffer_size = RECEIVE_SCTP_BUFFER_SIZE;
1390 auto *rmrMsg = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, buffer_size);
1391 // add addrees to message
1392 auto j = snprintf((char *)rmrMsg->payload, 256, "%s:%d|", message.peerInfo->sctpParams->myIP.c_str(), message.peerInfo->sctpParams->rmrPort);
1395 unsigned char *buffer = &rmrMsg->payload[j];
1398 er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu, buffer, buffer_size - j);
1399 if (er.encoded == -1) {
1400 mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
1401 } else if (er.encoded > (ssize_t) buffer_size) {
1402 mdclog_write(MDCLOG_ERR, "Buffer of size %d is to small for %s",
1404 asn_DEF_E2AP_PDU.name);
1406 if (logLevel >= MDCLOG_DEBUG) {
1407 mdclog_write(MDCLOG_DEBUG, "Buffer of size %d, data = %s", (int) er.encoded, buffer);
1410 message.message.messageType = rmrMsg->mtype = RIC_X2_SETUP_REQ;
1412 rmr_bytes2meid(rmrMsg, (unsigned char *) message.message.enodbName, strlen(message.message.enodbName));
1414 static unsigned char tx[32];
1415 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1416 rmr_bytes2xact(rmrMsg, tx, strlen((const char *) tx));
1418 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1419 if (rmrMsg == nullptr) {
1420 mdclog_write(MDCLOG_ERR, "RMR failed to send returned nullptr");
1421 } else if (rmrMsg->state != 0) {
1422 char meid[RMR_MAX_MEID]{};
1423 if (rmrMsg->state == RMR_ERR_RETRY) {
1426 mdclog_write(MDCLOG_INFO, "RETRY sending Message %d to Xapp from %s",
1427 rmrMsg->mtype, rmr_get_meid(rmrMsg, (unsigned char *) meid));
1428 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1429 if (rmrMsg == nullptr) {
1430 mdclog_write(MDCLOG_ERR, "RMR failed send returned nullptr");
1431 } else if (rmrMsg->state != 0) {
1432 mdclog_write(MDCLOG_ERR,
1433 "RMR Retry failed %s sending request %d to Xapp from %s",
1434 translateRmrErrorMessages(rmrMsg->state).c_str(),
1436 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1439 mdclog_write(MDCLOG_ERR, "RMR failed: %s. sending request %d to Xapp from %s",
1440 translateRmrErrorMessages(rmrMsg->state).c_str(),
1442 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1445 message.peerInfo->gotSetup = true;
1446 buildJsonMessage(message);
1454 * @param rmrMessageBuffer
1457 void asnInitiatingRequest(E2AP_PDU_t *pdu,
1458 ReportingMessages_t &message,
1459 RmrMessagesBuffer_t &rmrMessageBuffer,
1462 auto lspan = opentracing::Tracer::Global()->StartSpan(
1463 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1468 auto logLevel = mdclog_level_get();
1469 auto procedureCode = ((InitiatingMessage_t *) pdu->choice.initiatingMessage)->procedureCode;
1470 if (logLevel >= MDCLOG_DEBUG) {
1471 mdclog_write(MDCLOG_DEBUG, "Initiating message %ld\n", procedureCode);
1473 switch (procedureCode) {
1474 case ProcedureCode_id_E2setup: {
1475 if (logLevel >= MDCLOG_DEBUG) {
1476 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1479 memset(message.peerInfo->enodbName, 0 , MAX_ENODB_NAME_SIZE);
1480 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.count; i++) {
1481 auto *ie = pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.array[i];
1482 if (ie->id == ProtocolIE_ID_id_GlobalE2node_ID) {
1483 if (ie->value.present == E2setupRequestIEs__value_PR_GlobalE2node_ID) {
1484 buildAndsendSetupRequest(message, ie, rmrMessageBuffer, pdu);
1491 case ProcedureCode_id_ErrorIndication: {
1492 if (logLevel >= MDCLOG_DEBUG) {
1493 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1495 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer, &lspan) != 0) {
1496 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1500 case ProcedureCode_id_Reset: {
1501 if (logLevel >= MDCLOG_DEBUG) {
1502 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1504 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer, &lspan) != 0) {
1505 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1509 case ProcedureCode_id_RICcontrol: {
1510 if (logLevel >= MDCLOG_DEBUG) {
1511 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1515 case ProcedureCode_id_RICindication: {
1516 if (logLevel >= MDCLOG_DEBUG) {
1517 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1519 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1520 auto messageSent = false;
1521 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1522 if (logLevel >= MDCLOG_DEBUG) {
1523 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1525 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1526 if (logLevel >= MDCLOG_DEBUG) {
1527 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1529 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1530 static unsigned char tx[32];
1531 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1532 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1533 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1534 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1535 (unsigned char *)message.message.enodbName,
1536 strlen(message.message.enodbName));
1537 rmrMessageBuffer.sendMessage->state = 0;
1538 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1539 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1540 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1541 rmrMessageBuffer.sendMessage->sub_id,
1542 rmrMessageBuffer.sendMessage->mtype);
1544 sendRmrMessage(rmrMessageBuffer, message, &lspan);
1547 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1556 case ProcedureCode_id_RICserviceQuery: {
1557 if (logLevel >= MDCLOG_DEBUG) {
1558 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1562 case ProcedureCode_id_RICserviceUpdate: {
1563 if (logLevel >= MDCLOG_DEBUG) {
1564 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1566 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer, &lspan) != 0) {
1567 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1571 case ProcedureCode_id_RICsubscription: {
1572 if (logLevel >= MDCLOG_DEBUG) {
1573 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1577 case ProcedureCode_id_RICsubscriptionDelete: {
1578 if (logLevel >= MDCLOG_DEBUG) {
1579 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1584 mdclog_write(MDCLOG_ERR, "Undefined or not supported message = %ld", procedureCode);
1585 message.message.messageType = 0; // no RMR message type yet
1587 buildJsonMessage(message);
1603 * @param rmrMessageBuffer
1606 void asnSuccsesfulMsg(E2AP_PDU_t *pdu, ReportingMessages_t &message, Sctp_Map_t *sctpMap,
1607 RmrMessagesBuffer_t &rmrMessageBuffer, otSpan *pSpan) {
1609 auto lspan = opentracing::Tracer::Global()->StartSpan(
1610 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1614 auto procedureCode = pdu->choice.successfulOutcome->procedureCode;
1615 auto logLevel = mdclog_level_get();
1616 if (logLevel >= MDCLOG_INFO) {
1617 mdclog_write(MDCLOG_INFO, "Successful Outcome %ld", procedureCode);
1619 switch (procedureCode) {
1620 case ProcedureCode_id_E2setup: {
1621 if (logLevel >= MDCLOG_DEBUG) {
1622 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1626 case ProcedureCode_id_ErrorIndication: {
1627 if (logLevel >= MDCLOG_DEBUG) {
1628 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1630 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer, &lspan) != 0) {
1631 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1635 case ProcedureCode_id_Reset: {
1636 if (logLevel >= MDCLOG_DEBUG) {
1637 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1639 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer, &lspan) != 0) {
1640 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1644 case ProcedureCode_id_RICcontrol: {
1645 if (logLevel >= MDCLOG_DEBUG) {
1646 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1649 i < pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.count; i++) {
1650 auto messageSent = false;
1651 RICcontrolAcknowledge_IEs_t *ie = pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.array[i];
1652 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1653 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1655 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1656 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1657 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1659 if (ie->value.present == RICcontrolAcknowledge_IEs__value_PR_RICrequestID) {
1660 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_ACK;
1661 rmrMessageBuffer.sendMessage->state = 0;
1662 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1663 static unsigned char tx[32];
1664 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1665 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1666 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1667 (unsigned char *)message.message.enodbName,
1668 strlen(message.message.enodbName));
1670 sendRmrMessage(rmrMessageBuffer, message, &lspan);
1673 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1683 case ProcedureCode_id_RICindication: {
1684 if (logLevel >= MDCLOG_DEBUG) {
1685 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1687 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1688 auto messageSent = false;
1689 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1690 if (logLevel >= MDCLOG_DEBUG) {
1691 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1693 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1694 if (logLevel >= MDCLOG_DEBUG) {
1695 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1697 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1698 static unsigned char tx[32];
1699 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1700 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1701 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1702 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1703 (unsigned char *)message.message.enodbName,
1704 strlen(message.message.enodbName));
1705 rmrMessageBuffer.sendMessage->state = 0;
1706 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1707 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1708 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1709 rmrMessageBuffer.sendMessage->sub_id,
1710 rmrMessageBuffer.sendMessage->mtype);
1712 sendRmrMessage(rmrMessageBuffer, message, &lspan);
1715 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1724 case ProcedureCode_id_RICserviceQuery: {
1725 if (logLevel >= MDCLOG_DEBUG) {
1726 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1730 case ProcedureCode_id_RICserviceUpdate: {
1731 if (logLevel >= MDCLOG_DEBUG) {
1732 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1734 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer, &lspan) != 0) {
1735 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1739 case ProcedureCode_id_RICsubscription: {
1740 if (logLevel >= MDCLOG_DEBUG) {
1741 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1743 if (sendRequestToXapp(message, RIC_SUB_RESP, rmrMessageBuffer, &lspan) != 0) {
1744 mdclog_write(MDCLOG_ERR, "Subscription successful message failed to send to xAPP");
1748 case ProcedureCode_id_RICsubscriptionDelete: {
1749 if (logLevel >= MDCLOG_DEBUG) {
1750 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1752 if (sendRequestToXapp(message, RIC_SUB_DEL_RESP, rmrMessageBuffer, &lspan) != 0) {
1753 mdclog_write(MDCLOG_ERR, "Subscription delete successful message failed to send to xAPP");
1758 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1759 message.message.messageType = 0; // no RMR message type yet
1760 buildJsonMessage(message);
1776 * @param rmrMessageBuffer
1779 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
1780 ReportingMessages_t &message,
1781 Sctp_Map_t *sctpMap,
1782 RmrMessagesBuffer_t &rmrMessageBuffer,
1785 auto lspan = opentracing::Tracer::Global()->StartSpan(
1786 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1790 auto procedureCode = pdu->choice.unsuccessfulOutcome->procedureCode;
1791 auto logLevel = mdclog_level_get();
1792 if (logLevel >= MDCLOG_INFO) {
1793 mdclog_write(MDCLOG_INFO, "Unsuccessful Outcome %ld", procedureCode);
1795 switch (procedureCode) {
1796 case ProcedureCode_id_E2setup: {
1797 if (logLevel >= MDCLOG_DEBUG) {
1798 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1802 case ProcedureCode_id_ErrorIndication: {
1803 if (logLevel >= MDCLOG_DEBUG) {
1804 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1806 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer, &lspan) != 0) {
1807 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1811 case ProcedureCode_id_Reset: {
1812 if (logLevel >= MDCLOG_DEBUG) {
1813 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1815 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer, &lspan) != 0) {
1816 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1820 case ProcedureCode_id_RICcontrol: {
1821 if (logLevel >= MDCLOG_DEBUG) {
1822 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1825 i < pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.count; i++) {
1826 auto messageSent = false;
1827 RICcontrolFailure_IEs_t *ie = pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.array[i];
1828 if (logLevel >= MDCLOG_DEBUG) {
1829 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1831 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1832 if (logLevel >= MDCLOG_DEBUG) {
1833 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1835 if (ie->value.present == RICcontrolFailure_IEs__value_PR_RICrequestID) {
1836 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_FAILURE;
1837 rmrMessageBuffer.sendMessage->state = 0;
1838 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1839 static unsigned char tx[32];
1840 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1841 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1842 rmr_bytes2meid(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.enodbName,
1843 strlen(message.message.enodbName));
1844 sendRmrMessage(rmrMessageBuffer, message, &lspan);
1847 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1856 case ProcedureCode_id_RICindication: {
1857 if (logLevel >= MDCLOG_DEBUG) {
1858 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1860 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1861 auto messageSent = false;
1862 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1863 if (logLevel >= MDCLOG_DEBUG) {
1864 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1866 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1867 if (logLevel >= MDCLOG_DEBUG) {
1868 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1870 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1871 static unsigned char tx[32];
1872 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1873 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1874 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1875 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1876 (unsigned char *)message.message.enodbName,
1877 strlen(message.message.enodbName));
1878 rmrMessageBuffer.sendMessage->state = 0;
1879 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1880 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1881 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1882 rmrMessageBuffer.sendMessage->sub_id,
1883 rmrMessageBuffer.sendMessage->mtype);
1885 sendRmrMessage(rmrMessageBuffer, message, &lspan);
1888 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1897 case ProcedureCode_id_RICserviceQuery: {
1898 if (logLevel >= MDCLOG_DEBUG) {
1899 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1903 case ProcedureCode_id_RICserviceUpdate: {
1904 if (logLevel >= MDCLOG_DEBUG) {
1905 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1907 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer, &lspan) != 0) {
1908 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1912 case ProcedureCode_id_RICsubscription: {
1913 if (logLevel >= MDCLOG_DEBUG) {
1914 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1916 if (sendRequestToXapp(message, RIC_SUB_FAILURE, rmrMessageBuffer, &lspan) != 0) {
1917 mdclog_write(MDCLOG_ERR, "Subscription unsuccessful message failed to send to xAPP");
1921 case ProcedureCode_id_RICsubscriptionDelete: {
1922 if (logLevel >= MDCLOG_DEBUG) {
1923 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1925 if (sendRequestToXapp(message, RIC_SUB_DEL_FAILURE, rmrMessageBuffer, &lspan) != 0) {
1926 mdclog_write(MDCLOG_ERR, "Subscription Delete unsuccessful message failed to send to xAPP");
1931 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1932 message.message.messageType = 0; // no RMR message type yet
1934 buildJsonMessage(message);
1949 * @param rmrMmessageBuffer
1953 int sendRequestToXapp(ReportingMessages_t &message,
1955 RmrMessagesBuffer_t &rmrMmessageBuffer,
1958 auto lspan = opentracing::Tracer::Global()->StartSpan(
1959 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1963 rmr_bytes2meid(rmrMmessageBuffer.sendMessage,
1964 (unsigned char *)message.message.enodbName,
1965 strlen(message.message.enodbName));
1966 message.message.messageType = rmrMmessageBuffer.sendMessage->mtype = requestId;
1967 rmrMmessageBuffer.sendMessage->state = 0;
1968 static unsigned char tx[32];
1969 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1970 rmr_bytes2xact(rmrMmessageBuffer.sendMessage, tx, strlen((const char *) tx));
1972 auto rc = sendRmrMessage(rmrMmessageBuffer, message, &lspan);
1981 void getRmrContext(sctp_params_t &pSctpParams, otSpan *pSpan) {
1983 auto lspan = opentracing::Tracer::Global()->StartSpan(
1984 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
1986 // otSpan lspan = 0;
1988 pSctpParams.rmrCtx = nullptr;
1989 pSctpParams.rmrCtx = rmr_init(pSctpParams.rmrAddress, RMR_MAX_RCV_BYTES, RMRFL_NONE);
1990 if (pSctpParams.rmrCtx == nullptr) {
1991 mdclog_write(MDCLOG_ERR, "Failed to initialize RMR");
1998 rmr_set_stimeout(pSctpParams.rmrCtx, 0); // disable retries for any send operation
1999 // we need to find that routing table exist and we can run
2000 if (mdclog_level_get() >= MDCLOG_INFO) {
2001 mdclog_write(MDCLOG_INFO, "We are after RMR INIT wait for RMR_Ready");
2006 if ((rmrReady = rmr_ready(pSctpParams.rmrCtx)) == 0) {
2010 if (count % 60 == 0) {
2011 mdclog_write(MDCLOG_INFO, "waiting to RMR ready state for %d seconds", count);
2014 if (mdclog_level_get() >= MDCLOG_INFO) {
2015 mdclog_write(MDCLOG_INFO, "RMR running");
2020 rmr_init_trace(pSctpParams.rmrCtx, 200);
2021 // get the RMR fd for the epoll
2022 pSctpParams.rmrListenFd = rmr_get_rcvfd(pSctpParams.rmrCtx);
2023 struct epoll_event event{};
2024 // add RMR fd to epoll
2025 event.events = (EPOLLIN);
2026 event.data.fd = pSctpParams.rmrListenFd;
2027 // add listening RMR FD to epoll
2028 if (epoll_ctl(pSctpParams.epoll_fd, EPOLL_CTL_ADD, pSctpParams.rmrListenFd, &event)) {
2029 mdclog_write(MDCLOG_ERR, "Failed to add RMR descriptor to epoll");
2030 close(pSctpParams.rmrListenFd);
2031 rmr_close(pSctpParams.rmrCtx);
2032 pSctpParams.rmrCtx = nullptr;
2040 * @param rmrMessageBuffer
2045 int receiveXappMessages(int epoll_fd,
2046 Sctp_Map_t *sctpMap,
2047 RmrMessagesBuffer_t &rmrMessageBuffer,
2048 struct timespec &ts,
2051 auto lspan = opentracing::Tracer::Global()->StartSpan(
2052 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2056 if (rmrMessageBuffer.rcvMessage == nullptr) {
2058 mdclog_write(MDCLOG_ERR, "RMR Allocation message, %s", strerror(errno));
2066 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2067 mdclog_write(MDCLOG_DEBUG, "Call to rmr_rcv_msg");
2069 rmrMessageBuffer.rcvMessage = rmr_rcv_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.rcvMessage);
2070 if (rmrMessageBuffer.rcvMessage == nullptr) {
2071 mdclog_write(MDCLOG_ERR, "RMR Receving message with null pointer, Realloc rmr mesage buffer");
2072 rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2079 ReportingMessages_t message;
2080 message.message.direction = 'D';
2081 message.message.time.tv_nsec = ts.tv_nsec;
2082 message.message.time.tv_sec = ts.tv_sec;
2084 // get message payload
2085 //auto msgData = msg->payload;
2086 if (rmrMessageBuffer.rcvMessage->state != 0) {
2087 mdclog_write(MDCLOG_ERR, "RMR Receving message with stat = %d", rmrMessageBuffer.rcvMessage->state);
2094 switch (rmrMessageBuffer.rcvMessage->mtype) {
2095 case RIC_X2_SETUP_REQ: {
2096 if (connectToCUandSetUp(rmrMessageBuffer, message, epoll_fd, sctpMap, &lspan) != 0) {
2097 mdclog_write(MDCLOG_ERR, "ERROR in connectToCUandSetUp on RIC_X2_SETUP_REQ");
2098 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_SCTP_CONNECTION_FAILURE;
2099 message.message.direction = 'N';
2100 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
2101 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
2103 "ERROR in connectToCUandSetUp on RIC_X2_SETUP_REQ");
2104 rmrMessageBuffer.sendMessage->state = 0;
2105 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
2107 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2108 mdclog_write(MDCLOG_DEBUG, "start writing to rmr buffer");
2110 rmr_bytes2xact(rmrMessageBuffer.sendMessage, rmrMessageBuffer.rcvMessage->xaction, RMR_MAX_XID);
2111 rmr_str2meid(rmrMessageBuffer.sendMessage, (unsigned char *)message.message.enodbName);
2113 sendRmrMessage(rmrMessageBuffer, message, &lspan);
2121 case RIC_ENDC_X2_SETUP_REQ: {
2122 if (connectToCUandSetUp(rmrMessageBuffer, message, epoll_fd, sctpMap, &lspan) != 0) {
2123 mdclog_write(MDCLOG_ERR, "ERROR in connectToCUandSetUp on RIC_ENDC_X2_SETUP_REQ");
2124 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_SCTP_CONNECTION_FAILURE;
2125 message.message.direction = 'N';
2126 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
2127 snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
2128 "ERROR in connectToCUandSetUp on RIC_ENDC_X2_SETUP_REQ");
2129 rmrMessageBuffer.sendMessage->state = 0;
2130 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
2132 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2133 mdclog_write(MDCLOG_DEBUG, "start writing to rmr buffer");
2136 rmr_bytes2xact(rmrMessageBuffer.sendMessage, rmrMessageBuffer.rcvMessage->xaction, RMR_MAX_XID);
2137 rmr_str2meid(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.enodbName);
2139 sendRmrMessage(rmrMessageBuffer, message, &lspan);
2147 case RIC_ENDC_CONF_UPDATE: {
2148 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2149 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ENDC_CONF_UPDATE");
2157 case RIC_ENDC_CONF_UPDATE_ACK: {
2158 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2159 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ENDC_CONF_UPDATE_ACK");
2167 case RIC_ENDC_CONF_UPDATE_FAILURE: {
2168 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2169 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ENDC_CONF_UPDATE_FAILURE");
2178 case RIC_ENB_CONF_UPDATE: {
2179 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2180 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ENDC_CONF_UPDATE");
2188 case RIC_ENB_CONF_UPDATE_ACK: {
2189 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2190 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ENB_CONF_UPDATE_ACK");
2198 case RIC_ENB_CONF_UPDATE_FAILURE: {
2199 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2200 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ENB_CONF_UPDATE_FAILURE");
2208 case RIC_RES_STATUS_REQ: {
2209 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2210 mdclog_write(MDCLOG_ERR, "Failed to send RIC_RES_STATUS_REQ");
2219 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2220 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_REQ");
2228 case RIC_SUB_DEL_REQ: {
2229 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2230 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_DEL_REQ");
2238 case RIC_CONTROL_REQ: {
2239 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2240 mdclog_write(MDCLOG_ERR, "Failed to send RIC_CONTROL_REQ");
2248 case RIC_SERVICE_QUERY: {
2249 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2250 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_QUERY");
2258 case RIC_SERVICE_UPDATE_ACK: {
2259 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2260 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_ACK");
2268 case RIC_SERVICE_UPDATE_FAILURE: {
2269 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2270 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_FAILURE");
2278 case RIC_X2_RESET: {
2279 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2280 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET");
2288 case RIC_X2_RESET_RESP: {
2289 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap, &lspan) != 0) {
2290 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET_RESP");
2298 case RIC_SCTP_CLEAR_ALL: {
2299 mdclog_write(MDCLOG_INFO, "RIC_SCTP_CLEAR_ALL");
2300 // loop on all keys and close socket and then erase all map.
2302 sctpMap->getKeys(v);
2303 for (auto const &iter : v) { //}; iter != sctpMap.end(); iter++) {
2304 if (!boost::starts_with((string) (iter), "host:") && !boost::starts_with((string) (iter), "msg:")) {
2305 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(iter);
2306 if (peerInfo == nullptr) {
2309 close(peerInfo->fileDescriptor);
2310 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
2311 message.message.direction = 'D';
2312 message.message.time.tv_nsec = ts.tv_nsec;
2313 message.message.time.tv_sec = ts.tv_sec;
2315 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
2316 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
2318 "%s|RIC_SCTP_CLEAR_ALL",
2319 peerInfo->enodbName);
2320 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
2321 mdclog_write(MDCLOG_INFO, "%s", message.message.asndata);
2322 if (sendRequestToXapp(message,
2323 RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer, &lspan) != 0) {
2324 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
2334 case E2_TERM_KEEP_ALIVE_REQ: {
2335 // send message back
2336 rmr_bytes2payload(rmrMessageBuffer.sendMessage,
2337 (unsigned char *)rmrMessageBuffer.ka_message,
2338 rmrMessageBuffer.ka_message_len);
2339 rmrMessageBuffer.sendMessage->mtype = E2_TERM_KEEP_ALIVE_RESP;
2340 rmrMessageBuffer.sendMessage->state = 0;
2341 static unsigned char tx[32];
2342 auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
2343 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, txLen);
2344 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2345 if (rmrMessageBuffer.sendMessage == nullptr) {
2346 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2347 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP RMR message returned NULL");
2348 } else if (rmrMessageBuffer.sendMessage->state != 0) {
2349 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP, on RMR state = %d ( %s)",
2350 rmrMessageBuffer.sendMessage->state, translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str());
2351 } else if (mdclog_level_get() >= MDCLOG_INFO) {
2352 mdclog_write(MDCLOG_INFO, "Got Keep Alive Request send : %s", rmrMessageBuffer.ka_message);
2358 mdclog_write(MDCLOG_WARN, "Message Type : %d is not seported", rmrMessageBuffer.rcvMessage->mtype);
2359 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
2360 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
2361 message.message.time.tv_nsec = ts.tv_nsec;
2362 message.message.time.tv_sec = ts.tv_sec;
2363 message.message.messageType = rmrMessageBuffer.rcvMessage->mtype;
2365 buildJsonMessage(message);
2373 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2374 mdclog_write(MDCLOG_DEBUG, "EXIT OK from %s", __FUNCTION__);
2383 * Send message to the CU that is not expecting for successful or unsuccessful results
2384 * @param messageBuffer
2386 * @param failedMsgId
2391 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messageBuffer,
2392 ReportingMessages_t &message,
2394 Sctp_Map_t *sctpMap,
2397 auto lspan = opentracing::Tracer::Global()->StartSpan(
2398 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2403 getRequestMetaData(message, messageBuffer, &lspan);
2404 if (mdclog_level_get() >= MDCLOG_INFO) {
2405 mdclog_write(MDCLOG_INFO, "send message to %s address", message.message.enodbName);
2408 auto rc = sendMessagetoCu(sctpMap, messageBuffer, message, failedMsgId, &lspan);
2419 * @param messageBuffer
2421 * @param failedMesgId
2425 int sendMessagetoCu(Sctp_Map_t *sctpMap,
2426 RmrMessagesBuffer_t &messageBuffer,
2427 ReportingMessages_t &message,
2431 auto lspan = opentracing::Tracer::Global()->StartSpan(
2432 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2436 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(message.message.enodbName);
2437 if (peerInfo == nullptr) {
2438 if (failedMesgId != 0) {
2439 sendFailedSendingMessagetoXapp(messageBuffer, message, failedMesgId, &lspan);
2441 mdclog_write(MDCLOG_ERR, "Failed to send message no CU entry %s", message.message.enodbName);
2451 message.message.messageType = messageBuffer.rcvMessage->mtype;
2452 auto rc = sendSctpMsg(peerInfo, message, sctpMap, &lspan);
2462 * @param rmrCtx the rmr context to send and receive
2463 * @param msg the msg we got fromxApp
2464 * @param metaData data from xApp in ordered struct
2465 * @param failedMesgId the return message type error
2468 sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message, int failedMesgId,
2471 auto lspan = opentracing::Tracer::Global()->StartSpan(
2472 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2476 rmr_mbuf_t *msg = rmrMessageBuffer.sendMessage;
2477 msg->len = snprintf((char *) msg->payload, 200, "the gNb/eNode name %s not found",
2478 message.message.enodbName);
2479 if (mdclog_level_get() >= MDCLOG_INFO) {
2480 mdclog_write(MDCLOG_INFO, "%s", msg->payload);
2482 msg->mtype = failedMesgId;
2485 static unsigned char tx[32];
2486 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
2487 rmr_bytes2xact(msg, tx, strlen((const char *) tx));
2489 sendRmrMessage(rmrMessageBuffer, message, &lspan);
2491 lspan->Finish();pLogSink
2497 * Send Response back to xApp, message is used only when there was a request from the xApp
2499 * @param enodbName the name of the gNb/eNodeB
2500 * @param msgType the value of the message to the xApp
2501 * @param requestType The request that was sent by the xAPP
2502 * @param rmrCtx the rmr identifier
2503 * @param sctpMap hash map holds data on the requestrs
2504 * @param buf the buffer to send to xAPP
2505 * @param size size of the buffer to send
2509 int sendResponseToXapp(ReportingMessages_t &message,
2512 RmrMessagesBuffer_t &rmrMessageBuffer,
2513 Sctp_Map_t *sctpMap,
2516 auto lspan = opentracing::Tracer::Global()->StartSpan(
2517 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2521 char key[MAX_ENODB_NAME_SIZE * 2];
2522 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName, requestType);
2524 auto xact = sctpMap->find(key);
2525 if (xact == nullptr) {
2526 mdclog_write(MDCLOG_ERR, "NO Request %s found for this response from CU: %s", key,
2527 message.message.enodbName);
2534 sctpMap->erase(key);
2536 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = msgType; //SETUP_RESPONSE_MESSAGE_TYPE;
2537 rmr_bytes2payload(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.asndata,
2538 message.message.asnLength);
2539 rmr_bytes2xact(rmrMessageBuffer.sendMessage, (const unsigned char *)xact, strlen((const char *)xact));
2540 rmr_str2meid(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.enodbName);
2541 rmrMessageBuffer.sendMessage->state = 0;
2543 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2544 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2548 auto rc = sendRmrMessage(rmrMessageBuffer, message, &lspan);
2557 * build the SCTP connection to eNodB or gNb
2558 * @param rmrMessageBuffer
2565 int connectToCUandSetUp(RmrMessagesBuffer_t &rmrMessageBuffer,
2566 ReportingMessages_t &message,
2568 Sctp_Map_t *sctpMap,
2571 auto lspan = opentracing::Tracer::Global()->StartSpan(
2572 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2576 struct sockaddr_in6 servaddr{};
2577 struct addrinfo hints{}, *result;
2578 auto msgData = rmrMessageBuffer.rcvMessage->payload;
2579 unsigned char meid[RMR_MAX_MEID]{};
2583 message.message.messageType = rmrMessageBuffer.rcvMessage->mtype;
2584 rmr_mbuf_t *msg = rmrMessageBuffer.rcvMessage;
2585 rmr_get_meid(msg, meid);
2587 if (mdclog_level_get() >= MDCLOG_INFO) {
2588 mdclog_write(MDCLOG_INFO, "message %d Received for MEID :%s. SETUP/EN-DC Setup Request from xApp, Message = %s",
2589 msg->mtype, meid, msgData);
2591 if (getSetupRequestMetaData(message, (char *)msgData, host, port, &lspan) < 0) {
2592 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2593 mdclog_write(MDCLOG_DEBUG, "Error in setup parameters %s, %d", __func__, __LINE__);
2601 //// message asndata points to the start of the asndata of the message and not to start of payload
2602 // search if the same host:port but not the same enodbname
2603 char searchBuff[256]{};
2604 snprintf(searchBuff, sizeof searchBuff, "host:%s:%d", host, port);
2605 auto e = (char *)sctpMap->find(searchBuff);
2607 // found one compare if not the same
2608 if (strcmp(message.message.enodbName, e) != 0) {
2609 mdclog_write(MDCLOG_ERR,
2610 "Try to connect CU %s to Host %s but %s already connected",
2611 message.message.enodbName, host, e);
2619 // check if not connected. if connected send the request and return
2620 auto *peerInfo = (ConnectedCU_t *)sctpMap->find(message.message.enodbName);
2621 if (peerInfo != nullptr) {
2622 if (mdclog_level_get() >= MDCLOG_INFO) {
2623 mdclog_write(MDCLOG_INFO, "Device already connected to %s",
2624 message.message.enodbName);
2626 message.message.messageType = msg->mtype;
2627 auto rc = sendSctpMsg(peerInfo, message, sctpMap, &lspan);
2629 mdclog_write(MDCLOG_ERR, "failed write to SCTP %s, %d", __func__, __LINE__);
2636 char key[MAX_ENODB_NAME_SIZE * 2];
2637 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName, msg->mtype);
2638 int xaction_len = strlen((const char *) msg->xaction);
2639 auto *xaction = (unsigned char *) calloc(1, xaction_len);
2640 memcpy(xaction, msg->xaction, xaction_len);
2641 sctpMap->setkey(key, xaction);
2642 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2643 mdclog_write(MDCLOG_DEBUG, "set key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2651 peerInfo = (ConnectedCU_t *) calloc(1, sizeof(ConnectedCU_t));
2652 memcpy(peerInfo->enodbName, message.message.enodbName, sizeof(message.message.enodbName));
2655 if ((peerInfo->fileDescriptor = socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP)) < 0) {
2656 mdclog_write(MDCLOG_ERR, "Socket Error, %s %s, %d", strerror(errno), __func__, __LINE__);
2664 if (setsockopt(peerInfo->fileDescriptor, SOL_SOCKET, SO_REUSEPORT, &optval, sizeof optval) != 0) {
2665 mdclog_write(MDCLOG_ERR, "setsockopt SO_REUSEPORT Error, %s %s, %d", strerror(errno), __func__, __LINE__);
2672 if (setsockopt(peerInfo->fileDescriptor, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof optval) != 0) {
2673 mdclog_write(MDCLOG_ERR, "setsockopt SO_REUSEADDR Error, %s %s, %d", strerror(errno), __func__, __LINE__);
2679 servaddr.sin6_family = AF_INET6;
2681 struct sockaddr_in6 localAddr {};
2682 localAddr.sin6_family = AF_INET6;
2683 localAddr.sin6_addr = in6addr_any;
2684 localAddr.sin6_port = htons(SRC_PORT);
2686 if (bind(peerInfo->fileDescriptor, (struct sockaddr*)&localAddr , sizeof(struct sockaddr_in6)) < 0) {
2687 mdclog_write(MDCLOG_ERR, "bind Socket Error, %s %s, %d", strerror(errno), __func__, __LINE__);
2692 }//Ends the binding.
2694 memset(&hints, 0, sizeof hints);
2695 hints.ai_flags = AI_NUMERICHOST;
2696 if (getaddrinfo(host, nullptr, &hints, &result) < 0) {
2697 close(peerInfo->fileDescriptor);
2698 mdclog_write(MDCLOG_ERR, "getaddrinfo error for %s, Error = %s", host, strerror(errno));
2704 memcpy(&servaddr, result->ai_addr, sizeof(struct sockaddr_in6));
2705 freeaddrinfo(result);
2707 servaddr.sin6_port = htons(port); /* daytime server */
2708 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2709 mdclog_write(MDCLOG_DEBUG, "Send Connect FD = %d host : %s port %d",
2710 peerInfo->fileDescriptor,
2716 if (addToEpoll(epoll_fd, peerInfo, (EPOLLOUT | EPOLLIN | EPOLLET), sctpMap, message.message.enodbName,
2717 msg->mtype, &lspan) != 0) {
2724 char hostBuff[NI_MAXHOST];
2725 char portBuff[NI_MAXHOST];
2727 if (getnameinfo((SA *) &servaddr, sizeof(servaddr),
2728 hostBuff, sizeof(hostBuff),
2729 portBuff, sizeof(portBuff),
2730 (uint) (NI_NUMERICHOST) | (uint) (NI_NUMERICSERV)) != 0) {
2731 mdclog_write(MDCLOG_ERR, "getnameinfo() Error, %s %s %d", strerror(errno), __func__, __LINE__);
2738 if (setSocketNoBlocking(peerInfo->fileDescriptor) != 0) {
2739 mdclog_write(MDCLOG_ERR, "setSocketNoBlocking failed to set new connection %s on sctpPort %s", hostBuff,
2741 close(peerInfo->fileDescriptor);
2748 memcpy(peerInfo->hostName, hostBuff, strlen(hostBuff));
2749 peerInfo->hostName[strlen(hostBuff)] = 0;
2750 memcpy(peerInfo->portNumber, portBuff, strlen(portBuff));
2751 peerInfo->portNumber[strlen(portBuff)] = 0;
2753 // map by enoodb/gnb name
2754 sctpMap->setkey(message.message.enodbName, peerInfo);
2755 //map host and port to enodeb
2756 sctpMap->setkey(searchBuff, message.message.enodbName);
2758 // save message for the return values
2759 char key[MAX_ENODB_NAME_SIZE * 2];
2760 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName, msg->mtype);
2761 int xaction_len = strlen((const char *) msg->xaction);
2762 auto *xaction = (unsigned char *) calloc(1, xaction_len);
2763 memcpy(xaction, msg->xaction, xaction_len);
2764 sctpMap->setkey(key, xaction);
2765 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2766 mdclog_write(MDCLOG_DEBUG, "End building peerinfo: %s for CU %s", key, message.message.enodbName);
2769 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2770 mdclog_write(MDCLOG_DEBUG, "Send connect to FD %d, %s, %d",
2771 peerInfo->fileDescriptor, __func__, __LINE__);
2773 if (connect(peerInfo->fileDescriptor, (SA *) &servaddr, sizeof(servaddr)) < 0) {
2774 if (errno != EINPROGRESS) {
2775 mdclog_write(MDCLOG_ERR, "connect FD %d to host : %s port %d, %s",
2776 peerInfo->fileDescriptor, host, port, strerror(errno));
2777 close(peerInfo->fileDescriptor);
2783 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2784 mdclog_write(MDCLOG_DEBUG,
2785 "Connect to FD %d returned with EINPROGRESS : %s",
2786 peerInfo->fileDescriptor, strerror(errno));
2788 // since message.message.asndata is pointing to the asndata in the rmr message payload we copy it like this
2789 memcpy(peerInfo->asnData, message.message.asndata, message.message.asnLength);
2790 peerInfo->asnLength = message.message.asnLength;
2791 peerInfo->mtype = msg->mtype;
2798 if (mdclog_level_get() >= MDCLOG_INFO) {
2799 mdclog_write(MDCLOG_INFO, "Connect to FD %d returned OK without EINPROGRESS", peerInfo->fileDescriptor);
2802 peerInfo->isConnected = true;
2804 if (modifyToEpoll(epoll_fd, peerInfo, (EPOLLIN | EPOLLET), sctpMap, message.message.enodbName, msg->mtype,
2812 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2813 mdclog_write(MDCLOG_DEBUG, "Connected to host : %s port %d", host, port);
2816 message.message.messageType = msg->mtype;
2817 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2818 mdclog_write(MDCLOG_DEBUG, "Send SCTP message to FD %d", peerInfo->fileDescriptor);
2820 if (sendSctpMsg(peerInfo, message, sctpMap, &lspan) != 0) {
2821 mdclog_write(MDCLOG_ERR, "Error write to SCTP %s %d", __func__, __LINE__);
2827 memset(peerInfo->asnData, 0, message.message.asnLength);
2828 peerInfo->asnLength = 0;
2829 peerInfo->mtype = 0;
2831 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2832 mdclog_write(MDCLOG_DEBUG, "Sent message to SCTP for %s", message.message.enodbName);
2851 int addToEpoll(int epoll_fd,
2852 ConnectedCU_t *peerInfo,
2854 Sctp_Map_t *sctpMap,
2859 auto lspan = opentracing::Tracer::Global()->StartSpan(
2860 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2865 struct epoll_event event{};
2866 event.data.ptr = peerInfo;
2867 event.events = events;
2868 if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, peerInfo->fileDescriptor, &event) < 0) {
2869 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2870 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here), %s, %s %d",
2871 strerror(errno), __func__, __LINE__);
2873 close(peerInfo->fileDescriptor);
2874 if (enodbName != nullptr) {
2875 cleanHashEntry(peerInfo, sctpMap, &lspan);
2876 char key[MAX_ENODB_NAME_SIZE * 2];
2877 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2878 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2879 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2881 auto tmp = sctpMap->find(key);
2884 sctpMap->erase(key);
2887 peerInfo->enodbName[0] = 0;
2889 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2912 int modifyToEpoll(int epoll_fd,
2913 ConnectedCU_t *peerInfo,
2915 Sctp_Map_t *sctpMap,
2920 auto lspan = opentracing::Tracer::Global()->StartSpan(
2921 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2926 struct epoll_event event{};
2927 event.data.ptr = peerInfo;
2928 event.events = events;
2929 if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, peerInfo->fileDescriptor, &event) < 0) {
2930 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2931 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_MOD (may chack not to quit here), %s, %s %d",
2932 strerror(errno), __func__, __LINE__);
2934 close(peerInfo->fileDescriptor);
2935 cleanHashEntry(peerInfo, sctpMap, &lspan);
2936 char key[MAX_ENODB_NAME_SIZE * 2];
2937 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2938 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2939 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2941 auto tmp = sctpMap->find(key);
2945 sctpMap->erase(key);
2946 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2959 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message, otSpan *pSpan) {
2961 auto lspan = opentracing::Tracer::Global()->StartSpan(
2962 __FUNCTION__, { opentracing::ChildOf(&pSpan->get()->context()) });
2964 // otSpan lspan = 0;
2966 //serialize the span
2968 std::unordered_map<std::string, std::string> data;
2969 RICCarrierWriter carrier(data);
2970 opentracing::Tracer::Global()->Inject((lspan.get())->context(), carrier);
2971 nlohmann::json j = data;
2972 std::string str = j.dump();
2973 static auto maxTraceLength = 0;
2975 maxTraceLength = str.length() > maxTraceLength ? str.length() : maxTraceLength;
2976 // serialized context can be put to RMR message using function:
2977 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2978 mdclog_write(MDCLOG_DEBUG, "max trace length is %d trace data length = %ld data = %s", maxTraceLength,
2979 str.length(), str.c_str());
2981 rmr_set_trace(rmrMessageBuffer.sendMessage, (const unsigned char *) str.c_str(), str.length());
2983 buildJsonMessage(message);
2985 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2987 if (rmrMessageBuffer.sendMessage == nullptr) {
2988 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2989 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
2996 if (rmrMessageBuffer.sendMessage->state != 0) {
2997 char meid[RMR_MAX_MEID]{};
2998 if (rmrMessageBuffer.sendMessage->state == RMR_ERR_RETRY) {
3000 rmrMessageBuffer.sendMessage->state = 0;
3001 mdclog_write(MDCLOG_INFO, "RETRY sending Message type %d to Xapp from %s",
3002 rmrMessageBuffer.sendMessage->mtype,
3003 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
3004 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
3005 if (rmrMessageBuffer.sendMessage == nullptr) {
3006 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
3007 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
3012 } else if (rmrMessageBuffer.sendMessage->state != 0) {
3013 mdclog_write(MDCLOG_ERR,
3014 "Message state %s while sending request %d to Xapp from %s after retry of 10 microseconds",
3015 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
3016 rmrMessageBuffer.sendMessage->mtype,
3017 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
3018 auto rc = rmrMessageBuffer.sendMessage->state;
3025 mdclog_write(MDCLOG_ERR, "Message state %s while sending request %d to Xapp from %s",
3026 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
3027 rmrMessageBuffer.sendMessage->mtype,
3028 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
3032 return rmrMessageBuffer.sendMessage->state;
3038 void buildJsonMessage(ReportingMessages_t &message) {
3040 message.outLen = sizeof(message.base64Data);
3041 base64::encode((const unsigned char *) message.message.asndata,
3042 (const int) message.message.asnLength,
3045 if (mdclog_level_get() >= MDCLOG_DEBUG) {
3046 mdclog_write(MDCLOG_DEBUG, "asn data length = %d, base64 message length = %d ",
3047 (int) message.message.asnLength,
3048 (int) message.outLen);
3051 snprintf(message.buffer, sizeof(message.buffer),
3052 "{\"header\": {\"ts\": \"%ld.%09ld\","
3053 "\"ranName\": \"%s\","
3054 "\"messageType\": %d,"
3055 "\"direction\": \"%c\"},"
3056 "\"base64Length\": %d,"
3057 "\"asnBase64\": \"%s\"}",
3058 message.message.time.tv_sec,
3059 message.message.time.tv_nsec,
3060 message.message.enodbName,
3061 message.message.messageType,
3062 message.message.direction,
3063 (int) message.outLen,
3064 message.base64Data);
3065 static src::logger_mt &lg = my_logger::get();
3067 BOOST_LOG(lg) << message.buffer;
3073 * take RMR error code to string
3077 string translateRmrErrorMessages(int state) {
3081 str = "RMR_OK - state is good";
3083 case RMR_ERR_BADARG:
3084 str = "RMR_ERR_BADARG - argument passd to function was unusable";
3086 case RMR_ERR_NOENDPT:
3087 str = "RMR_ERR_NOENDPT - send//call could not find an endpoint based on msg type";
3090 str = "RMR_ERR_EMPTY - msg received had no payload; attempt to send an empty message";
3093 str = "RMR_ERR_NOHDR - message didn't contain a valid header";
3095 case RMR_ERR_SENDFAILED:
3096 str = "RMR_ERR_SENDFAILED - send failed; errno has nano reason";
3098 case RMR_ERR_CALLFAILED:
3099 str = "RMR_ERR_CALLFAILED - unable to send call() message";
3101 case RMR_ERR_NOWHOPEN:
3102 str = "RMR_ERR_NOWHOPEN - no wormholes are open";
3105 str = "RMR_ERR_WHID - wormhole id was invalid";
3107 case RMR_ERR_OVERFLOW:
3108 str = "RMR_ERR_OVERFLOW - operation would have busted through a buffer/field size";
3111 str = "RMR_ERR_RETRY - request (send/call/rts) failed, but caller should retry (EAGAIN for wrappers)";
3113 case RMR_ERR_RCVFAILED:
3114 str = "RMR_ERR_RCVFAILED - receive failed (hard error)";
3116 case RMR_ERR_TIMEOUT:
3117 str = "RMR_ERR_TIMEOUT - message processing call timed out";
3120 str = "RMR_ERR_UNSET - the message hasn't been populated with a transport buffer";
3123 str = "RMR_ERR_TRUNC - received message likely truncated";
3125 case RMR_ERR_INITFAILED:
3126 str = "RMR_ERR_INITFAILED - initialisation of something (probably message) failed";
3128 case RMR_ERR_NOTSUPP:
3129 str = "RMR_ERR_NOTSUPP - the request is not supported, or RMr was not initialised for the request";
3133 snprintf(buf, sizeof buf, "UNDOCUMENTED RMR_ERR : %d", state);