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;
35 // need to expose without the include of gcov
36 extern "C" void __gcov_flush(void);
38 static void catch_function(int signal) {
44 BOOST_LOG_INLINE_GLOBAL_LOGGER_DEFAULT(my_logger, src::logger_mt)
46 boost::shared_ptr<sinks::synchronous_sink<sinks::text_file_backend>> boostLogger;
47 double cpuClock = 0.0;
48 bool jsonTrace = true;
52 mdclog_attr_init(&attr);
53 mdclog_attr_set_ident(attr, "E2Terminator");
55 mdclog_attr_destroy(attr);
57 auto start_time = std::chrono::high_resolution_clock::now();
58 typedef std::chrono::duration<double, std::ratio<1,1>> seconds_t;
61 return seconds_t(std::chrono::high_resolution_clock::now() - start_time).count();
64 double approx_CPU_MHz(unsigned sleeptime) {
65 using namespace std::chrono_literals;
67 uint64_t cycles_start = rdtscp(aux);
68 double time_start = age();
69 std::this_thread::sleep_for(sleeptime * 1ms);
70 uint64_t elapsed_cycles = rdtscp(aux) - cycles_start;
71 double elapsed_time = age() - time_start;
72 return elapsed_cycles / elapsed_time;
75 //std::atomic<int64_t> rmrCounter{0};
76 std::atomic<int64_t> num_of_messages{0};
77 std::atomic<int64_t> num_of_XAPP_messages{0};
78 static long transactionCounter = 0;
80 int buildListeningPort(sctp_params_t &sctpParams) {
81 sctpParams.listenFD = socket (AF_INET6, SOCK_STREAM, IPPROTO_SCTP);
82 struct sockaddr_in6 servaddr {};
83 servaddr.sin6_family = AF_INET6;
84 servaddr.sin6_addr = in6addr_any;
85 servaddr.sin6_port = htons(sctpParams.sctpPort);
86 if (bind(sctpParams.listenFD, (SA *)&servaddr, sizeof(servaddr)) < 0 ) {
87 mdclog_write(MDCLOG_ERR, "Error binding. %s\n", strerror(errno));
90 if (setSocketNoBlocking(sctpParams.listenFD) == -1) {
91 //mdclog_write(MDCLOG_ERR, "Error binding. %s", strerror(errno));
94 if (mdclog_level_get() >= MDCLOG_DEBUG) {
95 struct sockaddr_in6 cliaddr {};
96 socklen_t len = sizeof(cliaddr);
97 getsockname(sctpParams.listenFD, (SA *)&cliaddr, &len);
99 inet_ntop(AF_INET6, &cliaddr.sin6_addr, buff, sizeof(buff));
100 mdclog_write(MDCLOG_DEBUG, "My address: %s, port %d\n", buff, htons(cliaddr.sin6_port));
103 if (listen(sctpParams.listenFD, SOMAXCONN) < 0) {
104 mdclog_write(MDCLOG_ERR, "Error listening. %s\n", strerror(errno));
107 struct epoll_event event {};
108 event.events = EPOLLIN | EPOLLET;
109 event.data.fd = sctpParams.listenFD;
111 // add listening port to epoll
112 if (epoll_ctl(sctpParams.epoll_fd, EPOLL_CTL_ADD, sctpParams.listenFD, &event)) {
113 printf("Failed to add descriptor to epoll\n");
114 mdclog_write(MDCLOG_ERR, "Failed to add descriptor to epoll. %s\n", strerror(errno));
121 int buildConfiguration(sctp_params_t &sctpParams) {
122 path p = (sctpParams.configFilePath + "/" + sctpParams.configFileName).c_str();
124 const int size = 2048;
125 auto fileSize = file_size(p);
126 if (fileSize > size) {
127 mdclog_write(MDCLOG_ERR, "File %s larger than %d", p.string().c_str(), size);
131 mdclog_write(MDCLOG_ERR, "Configuration File %s not exists", p.string().c_str());
136 if (conf.openConfigFile(p.string()) == -1) {
137 mdclog_write(MDCLOG_ERR, "Filed to open config file %s, %s",
138 p.string().c_str(), strerror(errno));
141 int rmrPort = conf.getIntValue("nano");
143 mdclog_write(MDCLOG_ERR, "illigal RMR port ");
146 sctpParams.rmrPort = (uint16_t)rmrPort;
147 snprintf(sctpParams.rmrAddress, sizeof(sctpParams.rmrAddress), "%d", (int) (sctpParams.rmrPort));
149 auto tmpStr = conf.getStringValue("loglevel");
150 if (tmpStr.length() == 0) {
151 mdclog_write(MDCLOG_ERR, "illigal loglevel. Set loglevel to MDCLOG_INFO");
154 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
156 if ((tmpStr.compare("debug")) == 0) {
157 sctpParams.logLevel = MDCLOG_DEBUG;
158 } else if ((tmpStr.compare("info")) == 0) {
159 sctpParams.logLevel = MDCLOG_INFO;
160 } else if ((tmpStr.compare("warning")) == 0) {
161 sctpParams.logLevel = MDCLOG_WARN;
162 } else if ((tmpStr.compare("error")) == 0) {
163 sctpParams.logLevel = MDCLOG_ERR;
165 mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
166 sctpParams.logLevel = MDCLOG_INFO;
168 mdclog_level_set(sctpParams.logLevel);
170 tmpStr = conf.getStringValue("volume");
171 if (tmpStr.length() == 0) {
172 mdclog_write(MDCLOG_ERR, "illigal volume.");
176 char tmpLogFilespec[VOLUME_URL_SIZE];
177 tmpLogFilespec[0] = 0;
178 sctpParams.volume[0] = 0;
179 snprintf(sctpParams.volume, VOLUME_URL_SIZE, "%s", tmpStr.c_str());
180 // copy the name to temp file as well
181 snprintf(tmpLogFilespec, VOLUME_URL_SIZE, "%s", tmpStr.c_str());
184 // define the file name in the tmp directory under the volume
185 strcat(tmpLogFilespec,"/tmp/E2Term_%Y-%m-%d_%H-%M-%S.%N.tmpStr");
187 sctpParams.myIP = conf.getStringValue("local-ip");
188 if (sctpParams.myIP.length() == 0) {
189 mdclog_write(MDCLOG_ERR, "illigal local-ip.");
193 int sctpPort = conf.getIntValue("sctp-port");
194 if (sctpPort == -1) {
195 mdclog_write(MDCLOG_ERR, "illigal SCTP port ");
198 sctpParams.sctpPort = (uint16_t)sctpPort;
200 sctpParams.fqdn = conf.getStringValue("external-fqdn");
201 if (sctpParams.fqdn.length() == 0) {
202 mdclog_write(MDCLOG_ERR, "illigal external-fqdn");
206 std::string pod = conf.getStringValue("pod_name");
207 if (pod.length() == 0) {
208 mdclog_write(MDCLOG_ERR, "illigal pod_name in config file");
211 auto *podName = getenv(pod.c_str());
212 if (podName == nullptr) {
213 mdclog_write(MDCLOG_ERR, "illigal pod_name or environment varible not exists : %s", pod.c_str());
217 sctpParams.podName.assign(podName);
218 if (sctpParams.podName.length() == 0) {
219 mdclog_write(MDCLOG_ERR, "illigal pod_name");
224 tmpStr = conf.getStringValue("trace");
225 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
226 if ((tmpStr.compare("start")) == 0) {
227 mdclog_write(MDCLOG_INFO, "Trace set to: start");
228 sctpParams.trace = true;
229 } else if ((tmpStr.compare("stop")) == 0) {
230 mdclog_write(MDCLOG_INFO, "Trace set to: stop");
231 sctpParams.trace = false;
233 jsonTrace = sctpParams.trace;
235 sctpParams.ka_message_length = snprintf(sctpParams.ka_message, KA_MESSAGE_SIZE, "{\"address\": \"%s:%d\","
237 "\"pod_name\": \"%s\"}",
238 (const char *)sctpParams.myIP.c_str(),
240 sctpParams.fqdn.c_str(),
241 sctpParams.podName.c_str());
243 if (mdclog_level_get() >= MDCLOG_INFO) {
244 mdclog_mdc_add("RMR Port", to_string(sctpParams.rmrPort).c_str());
245 mdclog_mdc_add("LogLevel", to_string(sctpParams.logLevel).c_str());
246 mdclog_mdc_add("volume", sctpParams.volume);
247 mdclog_mdc_add("tmpLogFilespec", tmpLogFilespec);
248 mdclog_mdc_add("my ip", sctpParams.myIP.c_str());
249 mdclog_mdc_add("pod name", sctpParams.podName.c_str());
251 mdclog_write(MDCLOG_INFO, "running parameters for instance : %s", sctpParams.ka_message);
255 // Files written to the current working directory
256 boostLogger = logging::add_file_log(
257 keywords::file_name = tmpLogFilespec, // to temp directory
258 keywords::rotation_size = 10 * 1024 * 1024,
259 keywords::time_based_rotation = sinks::file::rotation_at_time_interval(posix_time::hours(1)),
260 keywords::format = "%Message%"
261 //keywords::format = "[%TimeStamp%]: %Message%" // use each tmpStr with time stamp
264 // Setup a destination folder for collecting rotated (closed) files --since the same volumn can use rename()
265 boostLogger->locked_backend()->set_file_collector(sinks::file::make_collector(
266 keywords::target = sctpParams.volume
269 // Upon restart, scan the directory for files matching the file_name pattern
270 boostLogger->locked_backend()->scan_for_files();
272 // Enable auto-flushing after each tmpStr record written
273 if (mdclog_level_get() >= MDCLOG_DEBUG) {
274 boostLogger->locked_backend()->auto_flush(true);
282 int main(const int argc, char **argv) {
283 sctp_params_t sctpParams;
286 std::random_device device{};
287 std::mt19937 generator(device());
288 std::uniform_int_distribution<long> distribution(1, (long) 1e12);
289 transactionCounter = distribution(generator);
293 // uint32_t aux1 = 0;
294 // st = rdtscp(aux1);
296 unsigned num_cpus = std::thread::hardware_concurrency();
298 mdclog_level_set(MDCLOG_INFO);
300 if (std::signal(SIGINT, catch_function) == SIG_ERR) {
301 mdclog_write(MDCLOG_ERR, "Error initializing SIGINT");
304 if (std::signal(SIGABRT, catch_function)== SIG_ERR) {
305 mdclog_write(MDCLOG_ERR, "Error initializing SIGABRT");
308 if (std::signal(SIGTERM, catch_function)== SIG_ERR) {
309 mdclog_write(MDCLOG_ERR, "Error initializing SIGTERM");
313 cpuClock = approx_CPU_MHz(100);
315 mdclog_write(MDCLOG_DEBUG, "CPU speed %11.11f", cpuClock);
317 auto result = parse(argc, argv, sctpParams);
319 if (buildConfiguration(sctpParams) != 0) {
324 sctpParams.epoll_fd = epoll_create1(0);
325 if (sctpParams.epoll_fd == -1) {
326 mdclog_write(MDCLOG_ERR, "failed to open epoll descriptor");
330 getRmrContext(sctpParams);
331 if (sctpParams.rmrCtx == nullptr) {
332 close(sctpParams.epoll_fd);
336 if (buildInotify(sctpParams) == -1) {
337 close(sctpParams.rmrListenFd);
338 rmr_close(sctpParams.rmrCtx);
339 close(sctpParams.epoll_fd);
343 if (buildListeningPort(sctpParams) != 0) {
344 close(sctpParams.rmrListenFd);
345 rmr_close(sctpParams.rmrCtx);
346 close(sctpParams.epoll_fd);
350 sctpParams.sctpMap = new mapWrapper();
352 std::vector<std::thread> threads(num_cpus);
353 // std::vector<std::thread> threads;
356 for (unsigned int i = 0; i < num_cpus; i++) {
357 threads[i] = std::thread(listener, &sctpParams);
362 int rc = pthread_setaffinity_np(threads[i].native_handle(), sizeof(cpu_set_t), &cpuset);
364 mdclog_write(MDCLOG_ERR, "Error calling pthread_setaffinity_np: %d", rc);
368 auto statFlag = false;
369 auto statThread = std::thread(statColectorThread, (void *)&statFlag);
371 //loop over term_init until first message from xApp
372 handleTermInit(sctpParams);
374 for (auto &t : threads) {
384 void handleTermInit(sctp_params_t &sctpParams) {
385 sendTermInit(sctpParams);
386 //send to e2 manager init of e2 term
391 auto xappMessages = num_of_XAPP_messages.load(std::memory_order_acquire);
392 if (xappMessages > 0) {
393 if (mdclog_level_get() >= MDCLOG_INFO) {
394 mdclog_write(MDCLOG_INFO, "Got a message from some appliction, stop sending E2_TERM_INIT");
400 if (count % 1000 == 0) {
401 mdclog_write(MDCLOG_ERR, "GOT No messages from any xApp");
402 sendTermInit(sctpParams);
407 void sendTermInit(sctp_params_t &sctpParams) {
408 rmr_mbuf_t *msg = rmr_alloc_msg(sctpParams.rmrCtx, sctpParams.ka_message_length);
411 msg->mtype = E2_TERM_INIT;
413 rmr_bytes2payload(msg, (unsigned char *)sctpParams.ka_message, sctpParams.ka_message_length);
414 static unsigned char tx[32];
415 auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
416 rmr_bytes2xact(msg, tx, txLen);
417 msg = rmr_send_msg(sctpParams.rmrCtx, msg);
418 if (msg == nullptr) {
419 msg = rmr_alloc_msg(sctpParams.rmrCtx, sctpParams.myIP.length());
420 } else if (msg->state == 0) {
422 if (mdclog_level_get() >= MDCLOG_INFO) {
423 mdclog_write(MDCLOG_INFO, "E2_TERM_INIT succsesfuly sent ");
427 if (count % 100 == 0) {
428 mdclog_write(MDCLOG_ERR, "Error sending E2_TERM_INIT cause : %s ", translateRmrErrorMessages(msg->state).c_str());
443 cxxopts::ParseResult parse(int argc, char *argv[], sctp_params_t &sctpParams) {
444 cxxopts::Options options(argv[0], "e2 term help");
445 options.positional_help("[optional args]").show_positional_help();
446 options.allow_unrecognised_options().add_options()
447 ("p,path", "config file path", cxxopts::value<std::string>(sctpParams.configFilePath)->default_value("config"))
448 ("f,file", "config file name", cxxopts::value<std::string>(sctpParams.configFileName)->default_value("config.conf"))
449 ("h,help", "Print help");
451 auto result = options.parse(argc, argv);
453 if (result.count("help")) {
454 std::cout << options.help({""}) << std::endl;
463 * @return -1 failed 0 success
465 int buildInotify(sctp_params_t &sctpParams) {
466 sctpParams.inotifyFD = inotify_init1(IN_NONBLOCK);
467 if (sctpParams.inotifyFD == -1) {
468 mdclog_write(MDCLOG_ERR, "Failed to init inotify (inotify_init1) %s", strerror(errno));
469 close(sctpParams.rmrListenFd);
470 rmr_close(sctpParams.rmrCtx);
471 close(sctpParams.epoll_fd);
475 sctpParams.inotifyWD = inotify_add_watch(sctpParams.inotifyFD,
476 (const char *)sctpParams.configFilePath.c_str(),
477 (unsigned)IN_OPEN | (unsigned)IN_CLOSE_WRITE | (unsigned)IN_CLOSE_NOWRITE); //IN_CLOSE = (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
478 if (sctpParams.inotifyWD == -1) {
479 mdclog_write(MDCLOG_ERR, "Failed to add directory : %s to inotify (inotify_add_watch) %s",
480 sctpParams.configFilePath.c_str(),
482 close(sctpParams.inotifyFD);
486 struct epoll_event event{};
487 event.events = (EPOLLIN);
488 event.data.fd = sctpParams.inotifyFD;
489 // add listening RMR FD to epoll
490 if (epoll_ctl(sctpParams.epoll_fd, EPOLL_CTL_ADD, sctpParams.inotifyFD, &event)) {
491 mdclog_write(MDCLOG_ERR, "Failed to add inotify FD to epoll");
492 close(sctpParams.inotifyFD);
503 void listener(sctp_params_t *params) {
504 int num_of_SCTP_messages = 0;
505 auto totalTime = 0.0;
507 mdclog_level_set(params->logLevel);
509 std::thread::id this_id = std::this_thread::get_id();
511 streambuf *oldCout = cout.rdbuf();
512 ostringstream memCout;
514 cout.rdbuf(memCout.rdbuf());
516 //return to the normal cout
520 memcpy(tid, memCout.str().c_str(), memCout.str().length() < 32 ? memCout.str().length() : 31);
521 tid[memCout.str().length()] = 0;
522 mdclog_mdc_add("thread id", tid);
524 if (mdclog_level_get() >= MDCLOG_DEBUG) {
525 mdclog_write(MDCLOG_DEBUG, "started thread number %s", tid);
529 RmrMessagesBuffer_t rmrMessageBuffer{};
530 //create and init RMR
531 rmrMessageBuffer.rmrCtx = params->rmrCtx;
533 auto *events = (struct epoll_event *) calloc(MAXEVENTS, sizeof(struct epoll_event));
534 struct timespec end{0, 0};
535 struct timespec start{0, 0};
537 rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
538 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
540 memcpy(rmrMessageBuffer.ka_message, params->ka_message, params->ka_message_length);
541 rmrMessageBuffer.ka_message_len = params->ka_message_length;
542 rmrMessageBuffer.ka_message[rmrMessageBuffer.ka_message_len] = 0;
544 if (mdclog_level_get() >= MDCLOG_DEBUG) {
545 mdclog_write(MDCLOG_DEBUG, "keep alive message is : %s", rmrMessageBuffer.ka_message);
548 ReportingMessages_t message {};
550 // for (int i = 0; i < MAX_RMR_BUFF_ARRY; i++) {
551 // rmrMessageBuffer.rcvBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
552 // rmrMessageBuffer.sendBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
555 message.statCollector = StatCollector::GetInstance();
558 if (mdclog_level_get() >= MDCLOG_DEBUG) {
559 mdclog_write(MDCLOG_DEBUG, "Start EPOLL Wait");
561 auto numOfEvents = epoll_wait(params->epoll_fd, events, MAXEVENTS, -1);
562 if (numOfEvents < 0 && errno == EINTR) {
563 if (mdclog_level_get() >= MDCLOG_DEBUG) {
564 mdclog_write(MDCLOG_DEBUG, "got EINTR : %s", strerror(errno));
568 if (numOfEvents < 0) {
569 mdclog_write(MDCLOG_ERR, "Epoll wait failed, errno = %s", strerror(errno));
572 for (auto i = 0; i < numOfEvents; i++) {
573 if (mdclog_level_get() >= MDCLOG_DEBUG) {
574 mdclog_write(MDCLOG_DEBUG, "handling epoll event %d out of %d", i + 1, numOfEvents);
576 clock_gettime(CLOCK_MONOTONIC, &message.message.time);
577 start.tv_sec = message.message.time.tv_sec;
578 start.tv_nsec = message.message.time.tv_nsec;
581 if ((events[i].events & EPOLLERR) || (events[i].events & EPOLLHUP)) {
582 handlepoll_error(events[i], message, rmrMessageBuffer, params);
583 } else if (events[i].events & EPOLLOUT) {
584 handleEinprogressMessages(events[i], message, rmrMessageBuffer, params);
585 } else if (params->listenFD == events[i].data.fd) {
586 if (mdclog_level_get() >= MDCLOG_INFO) {
587 mdclog_write(MDCLOG_INFO, "New connection request from sctp network\n");
589 // new connection is requested from RAN start build connection
591 struct sockaddr in_addr {};
593 char hostBuff[NI_MAXHOST];
594 char portBuff[NI_MAXSERV];
596 in_len = sizeof(in_addr);
597 auto *peerInfo = (ConnectedCU_t *)calloc(1, sizeof(ConnectedCU_t));
598 peerInfo->sctpParams = params;
599 peerInfo->fileDescriptor = accept(params->listenFD, &in_addr, &in_len);
600 if (peerInfo->fileDescriptor == -1) {
601 if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
602 /* We have processed all incoming connections. */
605 mdclog_write(MDCLOG_ERR, "Accept error, errno = %s", strerror(errno));
609 if (setSocketNoBlocking(peerInfo->fileDescriptor) == -1) {
610 mdclog_write(MDCLOG_ERR, "setSocketNoBlocking failed to set new connection %s on port %s\n", hostBuff, portBuff);
611 close(peerInfo->fileDescriptor);
614 auto ans = getnameinfo(&in_addr, in_len,
615 peerInfo->hostName, NI_MAXHOST,
616 peerInfo->portNumber, NI_MAXSERV, (unsigned )((unsigned int)NI_NUMERICHOST | (unsigned int)NI_NUMERICSERV));
618 mdclog_write(MDCLOG_ERR, "Failed to get info on connection request. %s\n", strerror(errno));
619 close(peerInfo->fileDescriptor);
622 if (mdclog_level_get() >= MDCLOG_DEBUG) {
623 mdclog_write(MDCLOG_DEBUG, "Accepted connection on descriptor %d (host=%s, port=%s)\n", peerInfo->fileDescriptor, peerInfo->hostName, peerInfo->portNumber);
625 peerInfo->isConnected = false;
626 peerInfo->gotSetup = false;
627 if (addToEpoll(params->epoll_fd,
630 params->sctpMap, nullptr,
636 } else if (params->rmrListenFd == events[i].data.fd) {
637 // got message from XAPP
638 num_of_XAPP_messages.fetch_add(1, std::memory_order_release);
639 num_of_messages.fetch_add(1, std::memory_order_release);
640 if (mdclog_level_get() >= MDCLOG_DEBUG) {
641 mdclog_write(MDCLOG_DEBUG, "new message from RMR");
643 if (receiveXappMessages(params->sctpMap,
645 message.message.time) != 0) {
646 mdclog_write(MDCLOG_ERR, "Error handling Xapp message");
648 } else if (params->inotifyFD == events[i].data.fd) {
649 mdclog_write(MDCLOG_INFO, "Got event from inotify (configuration update)");
650 handleConfigChange(params);
652 /* We RMR_ERR_RETRY have data on the fd waiting to be read. Read and display it.
653 * We must read whatever data is available completely, as we are running
654 * in edge-triggered mode and won't get a notification again for the same data. */
655 num_of_messages.fetch_add(1, std::memory_order_release);
656 if (mdclog_level_get() >= MDCLOG_DEBUG) {
657 mdclog_write(MDCLOG_DEBUG, "new message from SCTP, epoll flags are : %0x", events[i].events);
659 receiveDataFromSctp(&events[i],
661 num_of_SCTP_messages,
663 message.message.time);
666 clock_gettime(CLOCK_MONOTONIC, &end);
667 if (mdclog_level_get() >= MDCLOG_INFO) {
668 totalTime += ((end.tv_sec + 1.0e-9 * end.tv_nsec) -
669 ((double) start.tv_sec + 1.0e-9 * start.tv_nsec));
671 if (mdclog_level_get() >= MDCLOG_DEBUG) {
672 mdclog_write(MDCLOG_DEBUG, "message handling is %ld seconds %ld nanoseconds",
673 end.tv_sec - start.tv_sec,
674 end.tv_nsec - start.tv_nsec);
684 void handleConfigChange(sctp_params_t *sctpParams) {
685 char buf[4096] __attribute__ ((aligned(__alignof__(struct inotify_event))));
686 const struct inotify_event *event;
689 path p = (sctpParams->configFilePath + "/" + sctpParams->configFileName).c_str();
690 auto endlessLoop = true;
691 while (endlessLoop) {
692 auto len = read(sctpParams->inotifyFD, buf, sizeof buf);
694 if (errno != EAGAIN) {
695 mdclog_write(MDCLOG_ERR, "read %s ", strerror(errno));
705 for (ptr = buf; ptr < buf + len; ptr += sizeof(struct inotify_event) + event->len) {
706 event = (const struct inotify_event *)ptr;
707 if (event->mask & (uint32_t)IN_ISDIR) {
711 // the directory name
712 if (sctpParams->inotifyWD == event->wd) {
716 if (!(sctpParams->configFileName.compare(event->name))) {
720 // only the file we want
721 if (event->mask & (uint32_t)IN_CLOSE_WRITE) {
723 const int size = 2048;
724 auto fileSize = file_size(p);
725 if (fileSize > size) {
726 mdclog_write(MDCLOG_ERR, "File %s larger than %d", p.string().c_str(), size);
730 mdclog_write(MDCLOG_ERR, "Configuration File %s not exists", p.string().c_str());
735 if (conf.openConfigFile(p.string()) == -1) {
736 mdclog_write(MDCLOG_ERR, "Filed to open config file %s, %s",
737 p.string().c_str(), strerror(errno));
741 auto tmpStr = conf.getStringValue("loglevel");
742 if (tmpStr.length() == 0) {
743 mdclog_write(MDCLOG_ERR, "illigal loglevel. Set loglevel to MDCLOG_INFO");
746 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
748 if ((tmpStr.compare("debug")) == 0) {
749 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_DEBUG");
750 sctpParams->logLevel = MDCLOG_DEBUG;
751 } else if ((tmpStr.compare("info")) == 0) {
752 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_INFO");
753 sctpParams->logLevel = MDCLOG_INFO;
754 } else if ((tmpStr.compare("warning")) == 0) {
755 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_WARN");
756 sctpParams->logLevel = MDCLOG_WARN;
757 } else if ((tmpStr.compare("error")) == 0) {
758 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_ERR");
759 sctpParams->logLevel = MDCLOG_ERR;
761 mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
762 sctpParams->logLevel = MDCLOG_INFO;
764 mdclog_level_set(sctpParams->logLevel);
767 tmpStr = conf.getStringValue("trace");
768 if (tmpStr.length() == 0) {
769 mdclog_write(MDCLOG_ERR, "illigal trace. Set trace to stop");
773 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
774 if ((tmpStr.compare("start")) == 0) {
775 mdclog_write(MDCLOG_INFO, "Trace set to: start");
776 sctpParams->trace = true;
777 } else if ((tmpStr.compare("stop")) == 0) {
778 mdclog_write(MDCLOG_INFO, "Trace set to: stop");
779 sctpParams->trace = false;
781 mdclog_write(MDCLOG_ERR, "Trace was set to wrong value %s, set to stop", tmpStr.c_str());
782 sctpParams->trace = false;
784 jsonTrace = sctpParams->trace;
795 * @param rmrMessageBuffer
798 void handleEinprogressMessages(struct epoll_event &event,
799 ReportingMessages_t &message,
800 RmrMessagesBuffer_t &rmrMessageBuffer,
801 sctp_params_t *params) {
802 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
803 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
805 mdclog_write(MDCLOG_INFO, "file descriptor %d got EPOLLOUT", peerInfo->fileDescriptor);
807 socklen_t retValLen = 0;
808 auto rc = getsockopt(peerInfo->fileDescriptor, SOL_SOCKET, SO_ERROR, &retVal, &retValLen);
809 if (rc != 0 || retVal != 0) {
811 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
812 "%s|Failed SCTP Connection, after EINPROGRESS the getsockopt%s",
813 peerInfo->enodbName, strerror(errno));
814 } else if (retVal != 0) {
815 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
816 "%s|Failed SCTP Connection after EINPROGRESS, SO_ERROR",
817 peerInfo->enodbName);
820 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
821 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
822 mdclog_write(MDCLOG_ERR, "%s", rmrMessageBuffer.sendMessage->payload);
823 message.message.direction = 'N';
824 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
825 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
827 memset(peerInfo->asnData, 0, peerInfo->asnLength);
828 peerInfo->asnLength = 0;
833 peerInfo->isConnected = true;
835 if (modifyToEpoll(params->epoll_fd, peerInfo, (EPOLLIN | EPOLLET), params->sctpMap, peerInfo->enodbName,
836 peerInfo->mtype) != 0) {
837 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_MOD");
841 message.message.asndata = (unsigned char *)peerInfo->asnData;
842 message.message.asnLength = peerInfo->asnLength;
843 message.message.messageType = peerInfo->mtype;
844 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
845 num_of_messages.fetch_add(1, std::memory_order_release);
846 if (mdclog_level_get() >= MDCLOG_DEBUG) {
847 mdclog_write(MDCLOG_DEBUG, "send the delayed SETUP/ENDC SETUP to sctp for %s",
848 message.message.enodbName);
850 if (sendSctpMsg(peerInfo, message, params->sctpMap) != 0) {
851 if (mdclog_level_get() >= MDCLOG_DEBUG) {
852 mdclog_write(MDCLOG_DEBUG, "Error write to SCTP %s %d", __func__, __LINE__);
857 memset(peerInfo->asnData, 0, peerInfo->asnLength);
858 peerInfo->asnLength = 0;
863 void handlepoll_error(struct epoll_event &event,
864 ReportingMessages_t &message,
865 RmrMessagesBuffer_t &rmrMessageBuffer,
866 sctp_params_t *params) {
867 if (event.data.fd != params->rmrListenFd) {
868 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
869 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on fd %d, RAN NAME : %s",
870 event.events, peerInfo->fileDescriptor, peerInfo->enodbName);
872 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
873 "%s|Failed SCTP Connection",
874 peerInfo->enodbName);
875 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
876 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
878 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
879 message.message.direction = 'N';
880 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
881 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
884 close(peerInfo->fileDescriptor);
885 cleanHashEntry((ConnectedCU_t *) event.data.ptr, params->sctpMap);
887 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on RMR FD", event.events);
895 int setSocketNoBlocking(int socket) {
896 auto flags = fcntl(socket, F_GETFL, 0);
899 mdclog_mdc_add("func", "fcntl");
900 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
905 flags = (unsigned) flags | (unsigned) O_NONBLOCK;
906 if (fcntl(socket, F_SETFL, flags) == -1) {
907 mdclog_mdc_add("func", "fcntl");
908 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
921 void cleanHashEntry(ConnectedCU_t *val, Sctp_Map_t *m) {
923 auto port = (uint16_t) strtol(val->portNumber, &dummy, 10);
924 char searchBuff[2048]{};
926 snprintf(searchBuff, sizeof searchBuff, "host:%s:%d", val->hostName, port);
927 m->erase(searchBuff);
929 m->erase(val->enodbName);
935 * @param fd file discriptor
936 * @param data the asn data to send
937 * @param len length of the data
938 * @param enodbName the enodbName as in the map for printing purpose
939 * @param m map host information
940 * @param mtype message number
941 * @return 0 success, anegative number on fail
943 int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_t *m) {
944 auto loglevel = mdclog_level_get();
945 int fd = peerInfo->fileDescriptor;
946 if (loglevel >= MDCLOG_DEBUG) {
947 mdclog_write(MDCLOG_DEBUG, "Send SCTP message for CU %s, %s",
948 message.message.enodbName, __FUNCTION__);
952 if (send(fd,message.message.asndata, message.message.asnLength,MSG_NOSIGNAL) < 0) {
953 if (errno == EINTR) {
956 mdclog_write(MDCLOG_ERR, "error writing to CU a message, %s ", strerror(errno));
957 if (!peerInfo->isConnected) {
958 mdclog_write(MDCLOG_ERR, "connection to CU %s is still in progress.", message.message.enodbName);
961 cleanHashEntry(peerInfo, m);
963 char key[MAX_ENODB_NAME_SIZE * 2];
964 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName,
965 message.message.messageType);
966 if (loglevel >= MDCLOG_DEBUG) {
967 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
969 auto tmp = m->find(key);
976 message.statCollector->incSentMessage(string(message.message.enodbName));
977 message.message.direction = 'D';
978 // send report.buffer of size
979 buildJsonMessage(message);
981 if (loglevel >= MDCLOG_DEBUG) {
982 mdclog_write(MDCLOG_DEBUG,
983 "SCTP message for CU %s sent from %s",
984 message.message.enodbName,
994 * @param rmrMessageBuffer
996 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer) {
997 rmr_get_meid(rmrMessageBuffer.rcvMessage, (unsigned char *) (message.message.enodbName));
999 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
1000 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
1002 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1003 mdclog_write(MDCLOG_DEBUG, "Message from Xapp RAN name = %s message length = %ld",
1004 message.message.enodbName, (unsigned long) message.message.asnLength);
1014 * @param numOfMessages
1015 * @param rmrMessageBuffer
1019 int receiveDataFromSctp(struct epoll_event *events,
1020 Sctp_Map_t *sctpMap,
1022 RmrMessagesBuffer_t &rmrMessageBuffer,
1023 struct timespec &ts) {
1024 /* We have data on the fd waiting to be read. Read and display it.
1025 * We must read whatever data is available completely, as we are running
1026 * in edge-triggered mode and won't get a notification again for the same data. */
1027 ReportingMessages_t message {};
1029 auto loglevel = mdclog_level_get();
1031 // get the identity of the interface
1032 message.peerInfo = (ConnectedCU_t *)events->data.ptr;
1034 message.statCollector = StatCollector::GetInstance();
1035 struct timespec start{0, 0};
1036 struct timespec decodestart{0, 0};
1037 struct timespec end{0, 0};
1039 E2AP_PDU_t *pdu = nullptr;
1043 if (loglevel >= MDCLOG_DEBUG) {
1044 mdclog_write(MDCLOG_DEBUG, "Start Read from SCTP %d fd", message.peerInfo->fileDescriptor);
1045 clock_gettime(CLOCK_MONOTONIC, &start);
1047 // read the buffer directly to rmr payload
1048 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1049 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1050 read(message.peerInfo->fileDescriptor, rmrMessageBuffer.sendMessage->payload, RECEIVE_SCTP_BUFFER_SIZE);
1052 if (loglevel >= MDCLOG_DEBUG) {
1053 mdclog_write(MDCLOG_DEBUG, "Finish Read from SCTP %d fd message length = %ld",
1054 message.peerInfo->fileDescriptor, message.message.asnLength);
1057 memcpy(message.message.enodbName, message.peerInfo->enodbName, sizeof(message.peerInfo->enodbName));
1058 message.statCollector->incRecvMessage(string(message.message.enodbName));
1059 message.message.direction = 'U';
1060 message.message.time.tv_nsec = ts.tv_nsec;
1061 message.message.time.tv_sec = ts.tv_sec;
1063 if (message.message.asnLength < 0) {
1064 if (errno == EINTR) {
1067 /* If errno == EAGAIN, that means we have read all
1068 data. So goReportingMessages_t back to the main loop. */
1069 if (errno != EAGAIN) {
1070 mdclog_write(MDCLOG_ERR, "Read error, %s ", strerror(errno));
1072 } else if (loglevel >= MDCLOG_DEBUG) {
1073 mdclog_write(MDCLOG_DEBUG, "EAGAIN - descriptor = %d", message.peerInfo->fileDescriptor);
1076 } else if (message.message.asnLength == 0) {
1077 /* End of file. The remote has closed the connection. */
1078 if (loglevel >= MDCLOG_INFO) {
1079 mdclog_write(MDCLOG_INFO, "END of File Closed connection - descriptor = %d",
1080 message.peerInfo->fileDescriptor);
1086 asn_dec_rval_t rval;
1087 if (loglevel >= MDCLOG_DEBUG) {
1088 char printBuffer[4096]{};
1089 char *tmp = printBuffer;
1090 for (size_t i = 0; i < (size_t)message.message.asnLength; ++i) {
1091 snprintf(tmp, 3, "%02x", message.message.asndata[i]);
1094 printBuffer[message.message.asnLength] = 0;
1095 clock_gettime(CLOCK_MONOTONIC, &end);
1096 mdclog_write(MDCLOG_DEBUG, "Before Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1097 message.peerInfo->enodbName, end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1098 mdclog_write(MDCLOG_DEBUG, "PDU buffer length = %ld, data = : %s", message.message.asnLength,
1100 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1103 rval = asn_decode(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void **) &pdu,
1104 message.message.asndata, message.message.asnLength);
1105 if (rval.code != RC_OK) {
1106 mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) E2AP PDU from RAN : %s", rval.code,
1107 message.peerInfo->enodbName);
1108 //todo may need reset to pdu
1112 if (loglevel >= MDCLOG_DEBUG) {
1113 clock_gettime(CLOCK_MONOTONIC, &end);
1114 mdclog_write(MDCLOG_DEBUG, "After Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1115 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1118 FILE *stream = open_memstream(&printBuffer, &size);
1119 asn_fprint(stream, &asn_DEF_E2AP_PDU, pdu);
1120 mdclog_write(MDCLOG_DEBUG, "Encoding E2AP PDU past : %s", printBuffer);
1121 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1124 switch (pdu->present) {
1125 case E2AP_PDU_PR_initiatingMessage: {//initiating message
1126 asnInitiatingRequest(pdu, message, rmrMessageBuffer);
1129 case E2AP_PDU_PR_successfulOutcome: { //successful outcome
1130 asnSuccsesfulMsg(pdu, message, rmrMessageBuffer);
1133 case E2AP_PDU_PR_unsuccessfulOutcome: { //Unsuccessful Outcome
1134 asnUnSuccsesfulMsg(pdu, message, rmrMessageBuffer);
1138 mdclog_write(MDCLOG_ERR, "Unknown index %d in E2AP PDU", pdu->present);
1141 if (loglevel >= MDCLOG_DEBUG) {
1142 clock_gettime(CLOCK_MONOTONIC, &end);
1143 mdclog_write(MDCLOG_DEBUG,
1144 "After processing message and sent to rmr for : %s, Read time is : %ld seconds, %ld nanoseconds",
1145 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1148 // remove the break for EAGAIN
1150 if (pdu != nullptr) {
1151 //TODO need to test ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu); to get better performance
1152 ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu);
1153 //ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1156 //clock_gettime(CLOCK_MONOTONIC, &start);
1158 // in case of break to avoid memory leak
1159 // if (pdu != nullptr) {
1160 // //ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1161 // ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu);
1166 if (loglevel >= MDCLOG_INFO) {
1167 mdclog_write(MDCLOG_INFO, "Closed connection - descriptor = %d", message.peerInfo->fileDescriptor);
1169 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1170 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
1172 "%s|CU disconnected unexpectedly",
1173 message.peerInfo->enodbName);
1174 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1176 if (sendRequestToXapp(message,
1177 RIC_SCTP_CONNECTION_FAILURE,
1178 rmrMessageBuffer) != 0) {
1179 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
1182 /* Closing descriptor make epoll remove it from the set of descriptors which are monitored. */
1183 close(message.peerInfo->fileDescriptor);
1184 cleanHashEntry((ConnectedCU_t *) events->data.ptr, sctpMap);
1186 if (loglevel >= MDCLOG_DEBUG) {
1187 clock_gettime(CLOCK_MONOTONIC, &end);
1188 mdclog_write(MDCLOG_DEBUG, "from receive SCTP to send RMR time is %ld seconds and %ld nanoseconds",
1189 end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1195 static void buildAndsendSetupRequest(ReportingMessages_t &message,
1196 E2setupRequestIEs_t *ie,
1197 RmrMessagesBuffer_t &rmrMessageBuffer,
1199 auto logLevel = mdclog_level_get();
1202 if (buildRanName(message.peerInfo->enodbName, ie) < 0) {
1203 mdclog_write(MDCLOG_ERR, "Bad param in E2setupRequestIEs GlobalE2node_ID.\n");
1205 memcpy(message.message.enodbName, message.peerInfo->enodbName, strlen(message.peerInfo->enodbName));
1207 // now we can send the data to e2Mgr
1208 auto buffer_size = RECEIVE_SCTP_BUFFER_SIZE * 2;
1210 auto *rmrMsg = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, buffer_size);
1211 // add addrees to message
1214 // unsigned char *buffer = &rmrMsg->payload[j];
1215 unsigned char buffer[RECEIVE_SCTP_BUFFER_SIZE * 2];
1217 auto er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu, buffer, buffer_size);
1218 if (er.encoded == -1) {
1219 mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
1220 } else if (er.encoded > (ssize_t) buffer_size) {
1221 mdclog_write(MDCLOG_ERR, "Buffer of size %d is to small for %s",
1223 asn_DEF_E2AP_PDU.name);
1225 rmrMsg->len = snprintf((char *)rmrMsg->payload, RECEIVE_SCTP_BUFFER_SIZE * 2, "%s:%d|%s",
1226 message.peerInfo->sctpParams->myIP.c_str(),
1227 message.peerInfo->sctpParams->rmrPort,
1229 if (logLevel >= MDCLOG_DEBUG) {
1230 mdclog_write(MDCLOG_DEBUG, "Setup request of size %d :\n %s\n", rmrMsg->len, rmrMsg->payload);
1233 message.message.messageType = rmrMsg->mtype = RIC_E2_SETUP_REQ;
1235 rmr_bytes2meid(rmrMsg, (unsigned char *) message.message.enodbName, strlen(message.message.enodbName));
1237 static unsigned char tx[32];
1238 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1239 rmr_bytes2xact(rmrMsg, tx, strlen((const char *) tx));
1241 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1242 if (rmrMsg == nullptr) {
1243 mdclog_write(MDCLOG_ERR, "RMR failed to send returned nullptr");
1244 } else if (rmrMsg->state != 0) {
1245 char meid[RMR_MAX_MEID]{};
1246 if (rmrMsg->state == RMR_ERR_RETRY) {
1249 mdclog_write(MDCLOG_INFO, "RETRY sending Message %d to Xapp from %s",
1250 rmrMsg->mtype, rmr_get_meid(rmrMsg, (unsigned char *) meid));
1251 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1252 if (rmrMsg == nullptr) {
1253 mdclog_write(MDCLOG_ERR, "RMR failed send returned nullptr");
1254 } else if (rmrMsg->state != 0) {
1255 mdclog_write(MDCLOG_ERR,
1256 "RMR Retry failed %s sending request %d to Xapp from %s",
1257 translateRmrErrorMessages(rmrMsg->state).c_str(),
1259 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1262 mdclog_write(MDCLOG_ERR, "RMR failed: %s. sending request %d to Xapp from %s",
1263 translateRmrErrorMessages(rmrMsg->state).c_str(),
1265 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1268 message.peerInfo->gotSetup = true;
1269 buildJsonMessage(message);
1270 if (rmrMsg != nullptr) {
1271 rmr_free_msg(rmrMsg);
1280 * @param rmrMessageBuffer
1282 void asnInitiatingRequest(E2AP_PDU_t *pdu,
1283 ReportingMessages_t &message,
1284 RmrMessagesBuffer_t &rmrMessageBuffer) {
1285 auto logLevel = mdclog_level_get();
1286 auto procedureCode = ((InitiatingMessage_t *) pdu->choice.initiatingMessage)->procedureCode;
1287 if (logLevel >= MDCLOG_DEBUG) {
1288 mdclog_write(MDCLOG_DEBUG, "Initiating message %ld\n", procedureCode);
1290 switch (procedureCode) {
1291 case ProcedureCode_id_E2setup: {
1292 if (logLevel >= MDCLOG_DEBUG) {
1293 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1296 memset(message.peerInfo->enodbName, 0 , MAX_ENODB_NAME_SIZE);
1297 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.count; i++) {
1298 auto *ie = pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.array[i];
1299 if (ie->id == ProtocolIE_ID_id_GlobalE2node_ID) {
1300 if (ie->value.present == E2setupRequestIEs__value_PR_GlobalE2node_ID) {
1301 buildAndsendSetupRequest(message, ie, rmrMessageBuffer, pdu);
1308 case ProcedureCode_id_ErrorIndication: {
1309 if (logLevel >= MDCLOG_DEBUG) {
1310 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1312 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1313 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1317 case ProcedureCode_id_Reset: {
1318 if (logLevel >= MDCLOG_DEBUG) {
1319 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1321 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1322 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1326 case ProcedureCode_id_RICcontrol: {
1327 if (logLevel >= MDCLOG_DEBUG) {
1328 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1332 case ProcedureCode_id_RICindication: {
1333 if (logLevel >= MDCLOG_DEBUG) {
1334 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1336 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1337 auto messageSent = false;
1338 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1339 if (logLevel >= MDCLOG_DEBUG) {
1340 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1342 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1343 if (logLevel >= MDCLOG_DEBUG) {
1344 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1346 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1347 static unsigned char tx[32];
1348 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1349 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1350 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1351 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1352 (unsigned char *)message.message.enodbName,
1353 strlen(message.message.enodbName));
1354 rmrMessageBuffer.sendMessage->state = 0;
1355 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1356 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1357 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1358 rmrMessageBuffer.sendMessage->sub_id,
1359 rmrMessageBuffer.sendMessage->mtype);
1361 sendRmrMessage(rmrMessageBuffer, message);
1364 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1373 case ProcedureCode_id_RICserviceQuery: {
1374 if (logLevel >= MDCLOG_DEBUG) {
1375 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1379 case ProcedureCode_id_RICserviceUpdate: {
1380 if (logLevel >= MDCLOG_DEBUG) {
1381 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1383 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1384 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1388 case ProcedureCode_id_RICsubscription: {
1389 if (logLevel >= MDCLOG_DEBUG) {
1390 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1394 case ProcedureCode_id_RICsubscriptionDelete: {
1395 if (logLevel >= MDCLOG_DEBUG) {
1396 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1401 mdclog_write(MDCLOG_ERR, "Undefined or not supported message = %ld", procedureCode);
1402 message.message.messageType = 0; // no RMR message type yet
1404 buildJsonMessage(message);
1415 * @param rmrMessageBuffer
1417 void asnSuccsesfulMsg(E2AP_PDU_t *pdu, ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer) {
1418 auto procedureCode = pdu->choice.successfulOutcome->procedureCode;
1419 auto logLevel = mdclog_level_get();
1420 if (logLevel >= MDCLOG_INFO) {
1421 mdclog_write(MDCLOG_INFO, "Successful Outcome %ld", procedureCode);
1423 switch (procedureCode) {
1424 case ProcedureCode_id_E2setup: {
1425 if (logLevel >= MDCLOG_DEBUG) {
1426 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1430 case ProcedureCode_id_ErrorIndication: {
1431 if (logLevel >= MDCLOG_DEBUG) {
1432 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1434 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1435 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1439 case ProcedureCode_id_Reset: {
1440 if (logLevel >= MDCLOG_DEBUG) {
1441 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1443 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1444 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1448 case ProcedureCode_id_RICcontrol: {
1449 if (logLevel >= MDCLOG_DEBUG) {
1450 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1453 i < pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.count; i++) {
1454 auto messageSent = false;
1455 RICcontrolAcknowledge_IEs_t *ie = pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.array[i];
1456 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1457 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1459 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1460 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1461 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1463 if (ie->value.present == RICcontrolAcknowledge_IEs__value_PR_RICrequestID) {
1464 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_ACK;
1465 rmrMessageBuffer.sendMessage->state = 0;
1466 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1467 static unsigned char tx[32];
1468 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1469 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1470 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1471 (unsigned char *)message.message.enodbName,
1472 strlen(message.message.enodbName));
1474 sendRmrMessage(rmrMessageBuffer, message);
1477 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1487 case ProcedureCode_id_RICindication: {
1488 if (logLevel >= MDCLOG_DEBUG) {
1489 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1491 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1492 auto messageSent = false;
1493 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1494 if (logLevel >= MDCLOG_DEBUG) {
1495 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1497 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1498 if (logLevel >= MDCLOG_DEBUG) {
1499 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1501 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1502 static unsigned char tx[32];
1503 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1504 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1505 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1506 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1507 (unsigned char *)message.message.enodbName,
1508 strlen(message.message.enodbName));
1509 rmrMessageBuffer.sendMessage->state = 0;
1510 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1511 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1512 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1513 rmrMessageBuffer.sendMessage->sub_id,
1514 rmrMessageBuffer.sendMessage->mtype);
1516 sendRmrMessage(rmrMessageBuffer, message);
1519 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1528 case ProcedureCode_id_RICserviceQuery: {
1529 if (logLevel >= MDCLOG_DEBUG) {
1530 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1534 case ProcedureCode_id_RICserviceUpdate: {
1535 if (logLevel >= MDCLOG_DEBUG) {
1536 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1538 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1539 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1543 case ProcedureCode_id_RICsubscription: {
1544 if (logLevel >= MDCLOG_DEBUG) {
1545 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1547 if (sendRequestToXapp(message, RIC_SUB_RESP, rmrMessageBuffer) != 0) {
1548 mdclog_write(MDCLOG_ERR, "Subscription successful message failed to send to xAPP");
1552 case ProcedureCode_id_RICsubscriptionDelete: {
1553 if (logLevel >= MDCLOG_DEBUG) {
1554 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1556 if (sendRequestToXapp(message, RIC_SUB_DEL_RESP, rmrMessageBuffer) != 0) {
1557 mdclog_write(MDCLOG_ERR, "Subscription delete successful message failed to send to xAPP");
1562 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1563 message.message.messageType = 0; // no RMR message type yet
1564 buildJsonMessage(message);
1575 * @param rmrMessageBuffer
1577 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
1578 ReportingMessages_t &message,
1579 RmrMessagesBuffer_t &rmrMessageBuffer) {
1580 auto procedureCode = pdu->choice.unsuccessfulOutcome->procedureCode;
1581 auto logLevel = mdclog_level_get();
1582 if (logLevel >= MDCLOG_INFO) {
1583 mdclog_write(MDCLOG_INFO, "Unsuccessful Outcome %ld", procedureCode);
1585 switch (procedureCode) {
1586 case ProcedureCode_id_E2setup: {
1587 if (logLevel >= MDCLOG_DEBUG) {
1588 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1592 case ProcedureCode_id_ErrorIndication: {
1593 if (logLevel >= MDCLOG_DEBUG) {
1594 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1596 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1597 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1601 case ProcedureCode_id_Reset: {
1602 if (logLevel >= MDCLOG_DEBUG) {
1603 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1605 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1606 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1610 case ProcedureCode_id_RICcontrol: {
1611 if (logLevel >= MDCLOG_DEBUG) {
1612 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1615 i < pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.count; i++) {
1616 auto messageSent = false;
1617 RICcontrolFailure_IEs_t *ie = pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.array[i];
1618 if (logLevel >= MDCLOG_DEBUG) {
1619 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1621 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1622 if (logLevel >= MDCLOG_DEBUG) {
1623 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1625 if (ie->value.present == RICcontrolFailure_IEs__value_PR_RICrequestID) {
1626 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_FAILURE;
1627 rmrMessageBuffer.sendMessage->state = 0;
1628 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1629 static unsigned char tx[32];
1630 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1631 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1632 rmr_bytes2meid(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.enodbName,
1633 strlen(message.message.enodbName));
1634 sendRmrMessage(rmrMessageBuffer, message);
1637 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1646 case ProcedureCode_id_RICindication: {
1647 if (logLevel >= MDCLOG_DEBUG) {
1648 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1650 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1651 auto messageSent = false;
1652 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1653 if (logLevel >= MDCLOG_DEBUG) {
1654 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1656 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1657 if (logLevel >= MDCLOG_DEBUG) {
1658 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1660 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1661 static unsigned char tx[32];
1662 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1663 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1664 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1665 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1666 (unsigned char *)message.message.enodbName,
1667 strlen(message.message.enodbName));
1668 rmrMessageBuffer.sendMessage->state = 0;
1669 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1670 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1671 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1672 rmrMessageBuffer.sendMessage->sub_id,
1673 rmrMessageBuffer.sendMessage->mtype);
1675 sendRmrMessage(rmrMessageBuffer, message);
1678 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1687 case ProcedureCode_id_RICserviceQuery: {
1688 if (logLevel >= MDCLOG_DEBUG) {
1689 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1693 case ProcedureCode_id_RICserviceUpdate: {
1694 if (logLevel >= MDCLOG_DEBUG) {
1695 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1697 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1698 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1702 case ProcedureCode_id_RICsubscription: {
1703 if (logLevel >= MDCLOG_DEBUG) {
1704 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1706 if (sendRequestToXapp(message, RIC_SUB_FAILURE, rmrMessageBuffer) != 0) {
1707 mdclog_write(MDCLOG_ERR, "Subscription unsuccessful message failed to send to xAPP");
1711 case ProcedureCode_id_RICsubscriptionDelete: {
1712 if (logLevel >= MDCLOG_DEBUG) {
1713 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1715 if (sendRequestToXapp(message, RIC_SUB_DEL_FAILURE, rmrMessageBuffer) != 0) {
1716 mdclog_write(MDCLOG_ERR, "Subscription Delete unsuccessful message failed to send to xAPP");
1721 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1722 message.message.messageType = 0; // no RMR message type yet
1724 buildJsonMessage(message);
1735 * @param rmrMmessageBuffer
1738 int sendRequestToXapp(ReportingMessages_t &message,
1740 RmrMessagesBuffer_t &rmrMmessageBuffer) {
1741 rmr_bytes2meid(rmrMmessageBuffer.sendMessage,
1742 (unsigned char *)message.message.enodbName,
1743 strlen(message.message.enodbName));
1744 message.message.messageType = rmrMmessageBuffer.sendMessage->mtype = requestId;
1745 rmrMmessageBuffer.sendMessage->state = 0;
1746 static unsigned char tx[32];
1747 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1748 rmr_bytes2xact(rmrMmessageBuffer.sendMessage, tx, strlen((const char *) tx));
1750 auto rc = sendRmrMessage(rmrMmessageBuffer, message);
1755 void getRmrContext(sctp_params_t &pSctpParams) {
1756 pSctpParams.rmrCtx = nullptr;
1757 pSctpParams.rmrCtx = rmr_init(pSctpParams.rmrAddress, RMR_MAX_RCV_BYTES, RMRFL_NONE);
1758 if (pSctpParams.rmrCtx == nullptr) {
1759 mdclog_write(MDCLOG_ERR, "Failed to initialize RMR");
1763 rmr_set_stimeout(pSctpParams.rmrCtx, 0); // disable retries for any send operation
1764 // we need to find that routing table exist and we can run
1765 if (mdclog_level_get() >= MDCLOG_INFO) {
1766 mdclog_write(MDCLOG_INFO, "We are after RMR INIT wait for RMR_Ready");
1771 if ((rmrReady = rmr_ready(pSctpParams.rmrCtx)) == 0) {
1775 if (count % 60 == 0) {
1776 mdclog_write(MDCLOG_INFO, "waiting to RMR ready state for %d seconds", count);
1779 if (mdclog_level_get() >= MDCLOG_INFO) {
1780 mdclog_write(MDCLOG_INFO, "RMR running");
1782 rmr_init_trace(pSctpParams.rmrCtx, 200);
1783 // get the RMR fd for the epoll
1784 pSctpParams.rmrListenFd = rmr_get_rcvfd(pSctpParams.rmrCtx);
1785 struct epoll_event event{};
1786 // add RMR fd to epoll
1787 event.events = (EPOLLIN);
1788 event.data.fd = pSctpParams.rmrListenFd;
1789 // add listening RMR FD to epoll
1790 if (epoll_ctl(pSctpParams.epoll_fd, EPOLL_CTL_ADD, pSctpParams.rmrListenFd, &event)) {
1791 mdclog_write(MDCLOG_ERR, "Failed to add RMR descriptor to epoll");
1792 close(pSctpParams.rmrListenFd);
1793 rmr_close(pSctpParams.rmrCtx);
1794 pSctpParams.rmrCtx = nullptr;
1798 int BuildPERSetupResponseMessaeFromXML(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer) {
1800 auto rval = asn_decode(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, (void **) &pdu,
1801 rmrMessageBuffer.rcvMessage->payload, rmrMessageBuffer.rcvMessage->len);
1802 if (rval.code != RC_OK) {
1803 mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) E2AP PDU from E2MGR : %s",
1805 message.message.enodbName);
1809 auto er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu,
1810 rmrMessageBuffer.rcvMessage->payload, rmrMessageBuffer.rcvMessage->len);
1811 if (er.encoded == -1) {
1812 mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
1814 } else if (er.encoded > (ssize_t)rmrMessageBuffer.rcvMessage->len) {
1815 mdclog_write(MDCLOG_ERR, "Buffer of size %d is to small for %s",
1816 (int)rmrMessageBuffer.rcvMessage->len,
1817 asn_DEF_E2AP_PDU.name);
1826 * @param rmrMessageBuffer
1830 int receiveXappMessages(Sctp_Map_t *sctpMap,
1831 RmrMessagesBuffer_t &rmrMessageBuffer,
1832 struct timespec &ts) {
1833 if (rmrMessageBuffer.rcvMessage == nullptr) {
1835 mdclog_write(MDCLOG_ERR, "RMR Allocation message, %s", strerror(errno));
1839 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1840 mdclog_write(MDCLOG_DEBUG, "Call to rmr_rcv_msg");
1842 rmrMessageBuffer.rcvMessage = rmr_rcv_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.rcvMessage);
1843 if (rmrMessageBuffer.rcvMessage == nullptr) {
1844 mdclog_write(MDCLOG_ERR, "RMR Receving message with null pointer, Realloc rmr mesage buffer");
1845 rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
1848 ReportingMessages_t message;
1849 message.message.direction = 'D';
1850 message.message.time.tv_nsec = ts.tv_nsec;
1851 message.message.time.tv_sec = ts.tv_sec;
1853 // get message payload
1854 //auto msgData = msg->payload;
1855 if (rmrMessageBuffer.rcvMessage->state != 0) {
1856 mdclog_write(MDCLOG_ERR, "RMR Receving message with stat = %d", rmrMessageBuffer.rcvMessage->state);
1859 rmr_get_meid(rmrMessageBuffer.rcvMessage, (unsigned char *)message.message.enodbName);
1860 switch (rmrMessageBuffer.rcvMessage->mtype) {
1861 case RIC_E2_SETUP_RESP : {
1862 if (BuildPERSetupResponseMessaeFromXML(message, rmrMessageBuffer) != 0) {
1866 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1867 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_RESP");
1872 case RIC_E2_SETUP_FAILURE : {
1873 if (BuildPERSetupResponseMessaeFromXML(message, rmrMessageBuffer) != 0) {
1876 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1877 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_FAILURE");
1882 case RIC_ERROR_INDICATION: {
1883 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1884 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ERROR_INDICATION");
1890 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1891 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_REQ");
1896 case RIC_SUB_DEL_REQ: {
1897 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1898 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_DEL_REQ");
1903 case RIC_CONTROL_REQ: {
1904 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1905 mdclog_write(MDCLOG_ERR, "Failed to send RIC_CONTROL_REQ");
1910 case RIC_SERVICE_QUERY: {
1911 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1912 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_QUERY");
1917 case RIC_SERVICE_UPDATE_ACK: {
1918 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1919 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_ACK");
1924 case RIC_SERVICE_UPDATE_FAILURE: {
1925 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1926 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_FAILURE");
1931 case RIC_X2_RESET: {
1932 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1933 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET");
1938 case RIC_X2_RESET_RESP: {
1939 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1940 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET_RESP");
1945 case RIC_SCTP_CLEAR_ALL: {
1946 mdclog_write(MDCLOG_INFO, "RIC_SCTP_CLEAR_ALL");
1947 // loop on all keys and close socket and then erase all map.
1949 sctpMap->getKeys(v);
1950 for (auto const &iter : v) { //}; iter != sctpMap.end(); iter++) {
1951 if (!boost::starts_with((string) (iter), "host:") && !boost::starts_with((string) (iter), "msg:")) {
1952 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(iter);
1953 if (peerInfo == nullptr) {
1956 close(peerInfo->fileDescriptor);
1957 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
1958 message.message.direction = 'D';
1959 message.message.time.tv_nsec = ts.tv_nsec;
1960 message.message.time.tv_sec = ts.tv_sec;
1962 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1963 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
1965 "%s|RIC_SCTP_CLEAR_ALL",
1966 peerInfo->enodbName);
1967 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1968 mdclog_write(MDCLOG_INFO, "%s", message.message.asndata);
1969 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
1970 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
1980 case E2_TERM_KEEP_ALIVE_REQ: {
1981 // send message back
1982 rmr_bytes2payload(rmrMessageBuffer.sendMessage,
1983 (unsigned char *)rmrMessageBuffer.ka_message,
1984 rmrMessageBuffer.ka_message_len);
1985 rmrMessageBuffer.sendMessage->mtype = E2_TERM_KEEP_ALIVE_RESP;
1986 rmrMessageBuffer.sendMessage->state = 0;
1987 static unsigned char tx[32];
1988 auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1989 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, txLen);
1990 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
1991 if (rmrMessageBuffer.sendMessage == nullptr) {
1992 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
1993 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP RMR message returned NULL");
1994 } else if (rmrMessageBuffer.sendMessage->state != 0) {
1995 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP, on RMR state = %d ( %s)",
1996 rmrMessageBuffer.sendMessage->state, translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str());
1997 } else if (mdclog_level_get() >= MDCLOG_DEBUG) {
1998 mdclog_write(MDCLOG_DEBUG, "Got Keep Alive Request send : %s", rmrMessageBuffer.ka_message);
2004 mdclog_write(MDCLOG_WARN, "Message Type : %d is not seported", rmrMessageBuffer.rcvMessage->mtype);
2005 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
2006 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
2007 message.message.time.tv_nsec = ts.tv_nsec;
2008 message.message.time.tv_sec = ts.tv_sec;
2009 message.message.messageType = rmrMessageBuffer.rcvMessage->mtype;
2011 buildJsonMessage(message);
2016 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2017 mdclog_write(MDCLOG_DEBUG, "EXIT OK from %s", __FUNCTION__);
2023 * Send message to the CU that is not expecting for successful or unsuccessful results
2024 * @param messageBuffer
2026 * @param failedMsgId
2030 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messageBuffer,
2031 ReportingMessages_t &message,
2033 Sctp_Map_t *sctpMap) {
2035 getRequestMetaData(message, messageBuffer);
2036 if (mdclog_level_get() >= MDCLOG_INFO) {
2037 mdclog_write(MDCLOG_INFO, "send message to %s address", message.message.enodbName);
2040 auto rc = sendMessagetoCu(sctpMap, messageBuffer, message, failedMsgId);
2047 * @param messageBuffer
2049 * @param failedMesgId
2052 int sendMessagetoCu(Sctp_Map_t *sctpMap,
2053 RmrMessagesBuffer_t &messageBuffer,
2054 ReportingMessages_t &message,
2056 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(message.message.enodbName);
2057 if (peerInfo == nullptr) {
2058 if (failedMesgId != 0) {
2059 sendFailedSendingMessagetoXapp(messageBuffer, message, failedMesgId);
2061 mdclog_write(MDCLOG_ERR, "Failed to send message no CU entry %s", message.message.enodbName);
2067 message.message.messageType = messageBuffer.rcvMessage->mtype;
2068 auto rc = sendSctpMsg(peerInfo, message, sctpMap);
2074 * @param rmrCtx the rmr context to send and receive
2075 * @param msg the msg we got fromxApp
2076 * @param metaData data from xApp in ordered struct
2077 * @param failedMesgId the return message type error
2080 sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message, int failedMesgId) {
2081 rmr_mbuf_t *msg = rmrMessageBuffer.sendMessage;
2082 msg->len = snprintf((char *) msg->payload, 200, "the gNb/eNode name %s not found",
2083 message.message.enodbName);
2084 if (mdclog_level_get() >= MDCLOG_INFO) {
2085 mdclog_write(MDCLOG_INFO, "%s", msg->payload);
2087 msg->mtype = failedMesgId;
2090 static unsigned char tx[32];
2091 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
2092 rmr_bytes2xact(msg, tx, strlen((const char *) tx));
2094 sendRmrMessage(rmrMessageBuffer, message);
2109 int addToEpoll(int epoll_fd,
2110 ConnectedCU_t *peerInfo,
2112 Sctp_Map_t *sctpMap,
2116 struct epoll_event event{};
2117 event.data.ptr = peerInfo;
2118 event.events = events;
2119 if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, peerInfo->fileDescriptor, &event) < 0) {
2120 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2121 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here), %s, %s %d",
2122 strerror(errno), __func__, __LINE__);
2124 close(peerInfo->fileDescriptor);
2125 if (enodbName != nullptr) {
2126 cleanHashEntry(peerInfo, sctpMap);
2127 char key[MAX_ENODB_NAME_SIZE * 2];
2128 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2129 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2130 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2132 auto tmp = sctpMap->find(key);
2135 sctpMap->erase(key);
2138 peerInfo->enodbName[0] = 0;
2140 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2156 int modifyToEpoll(int epoll_fd,
2157 ConnectedCU_t *peerInfo,
2159 Sctp_Map_t *sctpMap,
2163 struct epoll_event event{};
2164 event.data.ptr = peerInfo;
2165 event.events = events;
2166 if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, peerInfo->fileDescriptor, &event) < 0) {
2167 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2168 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_MOD (may chack not to quit here), %s, %s %d",
2169 strerror(errno), __func__, __LINE__);
2171 close(peerInfo->fileDescriptor);
2172 cleanHashEntry(peerInfo, sctpMap);
2173 char key[MAX_ENODB_NAME_SIZE * 2];
2174 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2175 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2176 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2178 auto tmp = sctpMap->find(key);
2182 sctpMap->erase(key);
2183 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2190 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message) {
2191 buildJsonMessage(message);
2193 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2195 if (rmrMessageBuffer.sendMessage == nullptr) {
2196 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2197 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
2201 if (rmrMessageBuffer.sendMessage->state != 0) {
2202 char meid[RMR_MAX_MEID]{};
2203 if (rmrMessageBuffer.sendMessage->state == RMR_ERR_RETRY) {
2205 rmrMessageBuffer.sendMessage->state = 0;
2206 mdclog_write(MDCLOG_INFO, "RETRY sending Message type %d to Xapp from %s",
2207 rmrMessageBuffer.sendMessage->mtype,
2208 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2209 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2210 if (rmrMessageBuffer.sendMessage == nullptr) {
2211 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
2212 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2214 } else if (rmrMessageBuffer.sendMessage->state != 0) {
2215 mdclog_write(MDCLOG_ERR,
2216 "Message state %s while sending request %d to Xapp from %s after retry of 10 microseconds",
2217 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
2218 rmrMessageBuffer.sendMessage->mtype,
2219 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2220 auto rc = rmrMessageBuffer.sendMessage->state;
2224 mdclog_write(MDCLOG_ERR, "Message state %s while sending request %d to Xapp from %s",
2225 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
2226 rmrMessageBuffer.sendMessage->mtype,
2227 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2228 return rmrMessageBuffer.sendMessage->state;
2234 void buildJsonMessage(ReportingMessages_t &message) {
2236 message.outLen = sizeof(message.base64Data);
2237 base64::encode((const unsigned char *) message.message.asndata,
2238 (const int) message.message.asnLength,
2241 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2242 mdclog_write(MDCLOG_DEBUG, "asn data length = %d, base64 message length = %d ",
2243 (int) message.message.asnLength,
2244 (int) message.outLen);
2247 snprintf(message.buffer, sizeof(message.buffer),
2248 "{\"header\": {\"ts\": \"%ld.%09ld\","
2249 "\"ranName\": \"%s\","
2250 "\"messageType\": %d,"
2251 "\"direction\": \"%c\"},"
2252 "\"base64Length\": %d,"
2253 "\"asnBase64\": \"%s\"}",
2254 message.message.time.tv_sec,
2255 message.message.time.tv_nsec,
2256 message.message.enodbName,
2257 message.message.messageType,
2258 message.message.direction,
2259 (int) message.outLen,
2260 message.base64Data);
2261 static src::logger_mt &lg = my_logger::get();
2263 BOOST_LOG(lg) << message.buffer;
2269 * take RMR error code to string
2273 string translateRmrErrorMessages(int state) {
2277 str = "RMR_OK - state is good";
2279 case RMR_ERR_BADARG:
2280 str = "RMR_ERR_BADARG - argument passd to function was unusable";
2282 case RMR_ERR_NOENDPT:
2283 str = "RMR_ERR_NOENDPT - send//call could not find an endpoint based on msg type";
2286 str = "RMR_ERR_EMPTY - msg received had no payload; attempt to send an empty message";
2289 str = "RMR_ERR_NOHDR - message didn't contain a valid header";
2291 case RMR_ERR_SENDFAILED:
2292 str = "RMR_ERR_SENDFAILED - send failed; errno has nano reason";
2294 case RMR_ERR_CALLFAILED:
2295 str = "RMR_ERR_CALLFAILED - unable to send call() message";
2297 case RMR_ERR_NOWHOPEN:
2298 str = "RMR_ERR_NOWHOPEN - no wormholes are open";
2301 str = "RMR_ERR_WHID - wormhole id was invalid";
2303 case RMR_ERR_OVERFLOW:
2304 str = "RMR_ERR_OVERFLOW - operation would have busted through a buffer/field size";
2307 str = "RMR_ERR_RETRY - request (send/call/rts) failed, but caller should retry (EAGAIN for wrappers)";
2309 case RMR_ERR_RCVFAILED:
2310 str = "RMR_ERR_RCVFAILED - receive failed (hard error)";
2312 case RMR_ERR_TIMEOUT:
2313 str = "RMR_ERR_TIMEOUT - message processing call timed out";
2316 str = "RMR_ERR_UNSET - the message hasn't been populated with a transport buffer";
2319 str = "RMR_ERR_TRUNC - received message likely truncated";
2321 case RMR_ERR_INITFAILED:
2322 str = "RMR_ERR_INITFAILED - initialisation of something (probably message) failed";
2324 case RMR_ERR_NOTSUPP:
2325 str = "RMR_ERR_NOTSUPP - the request is not supported, or RMr was not initialised for the request";
2329 snprintf(buf, sizeof buf, "UNDOCUMENTED RMR_ERR : %d", state);