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);
280 int main(const int argc, char **argv) {
281 sctp_params_t sctpParams;
284 std::random_device device{};
285 std::mt19937 generator(device());
286 std::uniform_int_distribution<long> distribution(1, (long) 1e12);
287 transactionCounter = distribution(generator);
291 // uint32_t aux1 = 0;
292 // st = rdtscp(aux1);
294 unsigned num_cpus = std::thread::hardware_concurrency();
296 mdclog_level_set(MDCLOG_INFO);
298 if (std::signal(SIGINT, catch_function) == SIG_ERR) {
299 mdclog_write(MDCLOG_ERR, "Error initializing SIGINT");
302 if (std::signal(SIGABRT, catch_function)== SIG_ERR) {
303 mdclog_write(MDCLOG_ERR, "Error initializing SIGABRT");
306 if (std::signal(SIGTERM, catch_function)== SIG_ERR) {
307 mdclog_write(MDCLOG_ERR, "Error initializing SIGTERM");
311 cpuClock = approx_CPU_MHz(100);
313 mdclog_write(MDCLOG_DEBUG, "CPU speed %11.11f", cpuClock);
315 auto result = parse(argc, argv, sctpParams);
317 if (buildConfiguration(sctpParams) != 0) {
322 sctpParams.epoll_fd = epoll_create1(0);
323 if (sctpParams.epoll_fd == -1) {
324 mdclog_write(MDCLOG_ERR, "failed to open epoll descriptor");
328 getRmrContext(sctpParams);
329 if (sctpParams.rmrCtx == nullptr) {
330 close(sctpParams.epoll_fd);
334 if (buildInotify(sctpParams) == -1) {
335 close(sctpParams.rmrListenFd);
336 rmr_close(sctpParams.rmrCtx);
337 close(sctpParams.epoll_fd);
341 if (buildListeningPort(sctpParams) != 0) {
342 close(sctpParams.rmrListenFd);
343 rmr_close(sctpParams.rmrCtx);
344 close(sctpParams.epoll_fd);
348 sctpParams.sctpMap = new mapWrapper();
350 std::vector<std::thread> threads(num_cpus);
351 // std::vector<std::thread> threads;
354 for (unsigned int i = 0; i < num_cpus; i++) {
355 threads[i] = std::thread(listener, &sctpParams);
360 int rc = pthread_setaffinity_np(threads[i].native_handle(), sizeof(cpu_set_t), &cpuset);
362 mdclog_write(MDCLOG_ERR, "Error calling pthread_setaffinity_np: %d", rc);
366 //loop over term_init until first message from xApp
367 handleTermInit(sctpParams);
369 for (auto &t : threads) {
376 void handleTermInit(sctp_params_t &sctpParams) {
377 sendTermInit(sctpParams);
378 //send to e2 manager init of e2 term
383 auto xappMessages = num_of_XAPP_messages.load(std::memory_order_acquire);
384 if (xappMessages > 0) {
385 if (mdclog_level_get() >= MDCLOG_INFO) {
386 mdclog_write(MDCLOG_INFO, "Got a message from some appliction, stop sending E2_TERM_INIT");
392 if (count % 1000 == 0) {
393 mdclog_write(MDCLOG_ERR, "GOT No messages from any xApp");
394 sendTermInit(sctpParams);
399 void sendTermInit(sctp_params_t &sctpParams) {
400 rmr_mbuf_t *msg = rmr_alloc_msg(sctpParams.rmrCtx, sctpParams.ka_message_length);
403 msg->mtype = E2_TERM_INIT;
405 rmr_bytes2payload(msg, (unsigned char *)sctpParams.ka_message, sctpParams.ka_message_length);
406 static unsigned char tx[32];
407 auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
408 rmr_bytes2xact(msg, tx, txLen);
409 msg = rmr_send_msg(sctpParams.rmrCtx, msg);
410 if (msg == nullptr) {
411 msg = rmr_alloc_msg(sctpParams.rmrCtx, sctpParams.myIP.length());
412 } else if (msg->state == 0) {
414 if (mdclog_level_get() >= MDCLOG_INFO) {
415 mdclog_write(MDCLOG_INFO, "E2_TERM_INIT succsesfuly sent ");
419 if (count % 100 == 0) {
420 mdclog_write(MDCLOG_ERR, "Error sending E2_TERM_INIT cause : %s ", translateRmrErrorMessages(msg->state).c_str());
435 cxxopts::ParseResult parse(int argc, char *argv[], sctp_params_t &sctpParams) {
436 cxxopts::Options options(argv[0], "e2 term help");
437 options.positional_help("[optional args]").show_positional_help();
438 options.allow_unrecognised_options().add_options()
439 ("p,path", "config file path", cxxopts::value<std::string>(sctpParams.configFilePath)->default_value("config"))
440 ("f,file", "config file name", cxxopts::value<std::string>(sctpParams.configFileName)->default_value("config.conf"))
441 ("h,help", "Print help");
443 auto result = options.parse(argc, argv);
445 if (result.count("help")) {
446 std::cout << options.help({""}) << std::endl;
455 * @return -1 failed 0 success
457 int buildInotify(sctp_params_t &sctpParams) {
458 sctpParams.inotifyFD = inotify_init1(IN_NONBLOCK);
459 if (sctpParams.inotifyFD == -1) {
460 mdclog_write(MDCLOG_ERR, "Failed to init inotify (inotify_init1) %s", strerror(errno));
461 close(sctpParams.rmrListenFd);
462 rmr_close(sctpParams.rmrCtx);
463 close(sctpParams.epoll_fd);
467 sctpParams.inotifyWD = inotify_add_watch(sctpParams.inotifyFD,
468 (const char *)sctpParams.configFilePath.c_str(),
469 (unsigned)IN_OPEN | (unsigned)IN_CLOSE_WRITE | (unsigned)IN_CLOSE_NOWRITE); //IN_CLOSE = (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
470 if (sctpParams.inotifyWD == -1) {
471 mdclog_write(MDCLOG_ERR, "Failed to add directory : %s to inotify (inotify_add_watch) %s",
472 sctpParams.configFilePath.c_str(),
474 close(sctpParams.inotifyFD);
478 struct epoll_event event{};
479 event.events = (EPOLLIN);
480 event.data.fd = sctpParams.inotifyFD;
481 // add listening RMR FD to epoll
482 if (epoll_ctl(sctpParams.epoll_fd, EPOLL_CTL_ADD, sctpParams.inotifyFD, &event)) {
483 mdclog_write(MDCLOG_ERR, "Failed to add inotify FD to epoll");
484 close(sctpParams.inotifyFD);
495 void listener(sctp_params_t *params) {
496 int num_of_SCTP_messages = 0;
497 auto totalTime = 0.0;
499 mdclog_level_set(params->logLevel);
501 std::thread::id this_id = std::this_thread::get_id();
503 streambuf *oldCout = cout.rdbuf();
504 ostringstream memCout;
506 cout.rdbuf(memCout.rdbuf());
508 //return to the normal cout
512 memcpy(tid, memCout.str().c_str(), memCout.str().length() < 32 ? memCout.str().length() : 31);
513 tid[memCout.str().length()] = 0;
514 mdclog_mdc_add("thread id", tid);
516 if (mdclog_level_get() >= MDCLOG_DEBUG) {
517 mdclog_write(MDCLOG_DEBUG, "started thread number %s", tid);
521 RmrMessagesBuffer_t rmrMessageBuffer{};
522 //create and init RMR
523 rmrMessageBuffer.rmrCtx = params->rmrCtx;
525 auto *events = (struct epoll_event *) calloc(MAXEVENTS, sizeof(struct epoll_event));
526 struct timespec end{0, 0};
527 struct timespec start{0, 0};
529 rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
530 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
532 memcpy(rmrMessageBuffer.ka_message, params->ka_message, params->ka_message_length);
533 rmrMessageBuffer.ka_message_len = params->ka_message_length;
534 rmrMessageBuffer.ka_message[rmrMessageBuffer.ka_message_len] = 0;
536 if (mdclog_level_get() >= MDCLOG_DEBUG) {
537 mdclog_write(MDCLOG_DEBUG, "keep alive message is : %s", rmrMessageBuffer.ka_message);
540 ReportingMessages_t message {};
542 for (int i = 0; i < MAX_RMR_BUFF_ARRY; i++) {
543 rmrMessageBuffer.rcvBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
544 rmrMessageBuffer.sendBufferedMessages[i] = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
548 if (mdclog_level_get() >= MDCLOG_DEBUG) {
549 mdclog_write(MDCLOG_DEBUG, "Start EPOLL Wait");
551 auto numOfEvents = epoll_wait(params->epoll_fd, events, MAXEVENTS, -1);
552 if (numOfEvents < 0 && errno == EINTR) {
553 if (mdclog_level_get() >= MDCLOG_DEBUG) {
554 mdclog_write(MDCLOG_DEBUG, "got EINTR : %s", strerror(errno));
558 if (numOfEvents < 0) {
559 mdclog_write(MDCLOG_ERR, "Epoll wait failed, errno = %s", strerror(errno));
562 for (auto i = 0; i < numOfEvents; i++) {
563 if (mdclog_level_get() >= MDCLOG_DEBUG) {
564 mdclog_write(MDCLOG_DEBUG, "handling epoll event %d out of %d", i + 1, numOfEvents);
566 clock_gettime(CLOCK_MONOTONIC, &message.message.time);
567 start.tv_sec = message.message.time.tv_sec;
568 start.tv_nsec = message.message.time.tv_nsec;
571 if ((events[i].events & EPOLLERR) || (events[i].events & EPOLLHUP)) {
572 handlepoll_error(events[i], message, rmrMessageBuffer, params);
573 } else if (events[i].events & EPOLLOUT) {
574 handleEinprogressMessages(events[i], message, rmrMessageBuffer, params);
575 } else if (params->listenFD == events[i].data.fd) {
576 if (mdclog_level_get() >= MDCLOG_INFO) {
577 mdclog_write(MDCLOG_INFO, "New connection request from sctp network\n");
579 // new connection is requested from RAN start build connection
581 struct sockaddr in_addr {};
583 char hostBuff[NI_MAXHOST];
584 char portBuff[NI_MAXSERV];
586 in_len = sizeof(in_addr);
587 auto *peerInfo = (ConnectedCU_t *)calloc(1, sizeof(ConnectedCU_t));
588 peerInfo->sctpParams = params;
589 peerInfo->fileDescriptor = accept(params->listenFD, &in_addr, &in_len);
590 if (peerInfo->fileDescriptor == -1) {
591 if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
592 /* We have processed all incoming connections. */
595 mdclog_write(MDCLOG_ERR, "Accept error, errno = %s", strerror(errno));
599 if (setSocketNoBlocking(peerInfo->fileDescriptor) == -1) {
600 mdclog_write(MDCLOG_ERR, "setSocketNoBlocking failed to set new connection %s on port %s\n", hostBuff, portBuff);
601 close(peerInfo->fileDescriptor);
604 auto ans = getnameinfo(&in_addr, in_len,
605 peerInfo->hostName, NI_MAXHOST,
606 peerInfo->portNumber, NI_MAXSERV, (unsigned )((unsigned int)NI_NUMERICHOST | (unsigned int)NI_NUMERICSERV));
608 mdclog_write(MDCLOG_ERR, "Failed to get info on connection request. %s\n", strerror(errno));
609 close(peerInfo->fileDescriptor);
612 if (mdclog_level_get() >= MDCLOG_DEBUG) {
613 mdclog_write(MDCLOG_DEBUG, "Accepted connection on descriptor %d (host=%s, port=%s)\n", peerInfo->fileDescriptor, peerInfo->hostName, peerInfo->portNumber);
615 peerInfo->isConnected = false;
616 peerInfo->gotSetup = false;
617 if (addToEpoll(params->epoll_fd,
620 params->sctpMap, nullptr,
626 } else if (params->rmrListenFd == events[i].data.fd) {
627 // got message from XAPP
628 num_of_XAPP_messages.fetch_add(1, std::memory_order_release);
629 num_of_messages.fetch_add(1, std::memory_order_release);
630 if (mdclog_level_get() >= MDCLOG_DEBUG) {
631 mdclog_write(MDCLOG_DEBUG, "new message from RMR");
633 if (receiveXappMessages(params->sctpMap,
635 message.message.time) != 0) {
636 mdclog_write(MDCLOG_ERR, "Error handling Xapp message");
638 } else if (params->inotifyFD == events[i].data.fd) {
639 mdclog_write(MDCLOG_INFO, "Got event from inotify (configuration update)");
640 handleConfigChange(params);
642 /* We RMR_ERR_RETRY have data on the fd waiting to be read. Read and display it.
643 * We must read whatever data is available completely, as we are running
644 * in edge-triggered mode and won't get a notification again for the same data. */
645 num_of_messages.fetch_add(1, std::memory_order_release);
646 if (mdclog_level_get() >= MDCLOG_DEBUG) {
647 mdclog_write(MDCLOG_DEBUG, "new message from SCTP, epoll flags are : %0x", events[i].events);
649 receiveDataFromSctp(&events[i],
651 num_of_SCTP_messages,
653 message.message.time);
656 clock_gettime(CLOCK_MONOTONIC, &end);
657 if (mdclog_level_get() >= MDCLOG_INFO) {
658 totalTime += ((end.tv_sec + 1.0e-9 * end.tv_nsec) -
659 ((double) start.tv_sec + 1.0e-9 * start.tv_nsec));
661 if (mdclog_level_get() >= MDCLOG_DEBUG) {
662 mdclog_write(MDCLOG_DEBUG, "message handling is %ld seconds %ld nanoseconds",
663 end.tv_sec - start.tv_sec,
664 end.tv_nsec - start.tv_nsec);
674 void handleConfigChange(sctp_params_t *sctpParams) {
675 char buf[4096] __attribute__ ((aligned(__alignof__(struct inotify_event))));
676 const struct inotify_event *event;
679 path p = (sctpParams->configFilePath + "/" + sctpParams->configFileName).c_str();
680 auto endlessLoop = true;
681 while (endlessLoop) {
682 auto len = read(sctpParams->inotifyFD, buf, sizeof buf);
684 if (errno != EAGAIN) {
685 mdclog_write(MDCLOG_ERR, "read %s ", strerror(errno));
695 for (ptr = buf; ptr < buf + len; ptr += sizeof(struct inotify_event) + event->len) {
696 event = (const struct inotify_event *)ptr;
697 if (event->mask & (uint32_t)IN_ISDIR) {
701 // the directory name
702 if (sctpParams->inotifyWD == event->wd) {
706 if (!(sctpParams->configFileName.compare(event->name))) {
710 // only the file we want
711 if (event->mask & (uint32_t)IN_CLOSE_WRITE) {
713 const int size = 2048;
714 auto fileSize = file_size(p);
715 if (fileSize > size) {
716 mdclog_write(MDCLOG_ERR, "File %s larger than %d", p.string().c_str(), size);
720 mdclog_write(MDCLOG_ERR, "Configuration File %s not exists", p.string().c_str());
725 if (conf.openConfigFile(p.string()) == -1) {
726 mdclog_write(MDCLOG_ERR, "Filed to open config file %s, %s",
727 p.string().c_str(), strerror(errno));
731 auto tmpStr = conf.getStringValue("loglevel");
732 if (tmpStr.length() == 0) {
733 mdclog_write(MDCLOG_ERR, "illigal loglevel. Set loglevel to MDCLOG_INFO");
736 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
738 if ((tmpStr.compare("debug")) == 0) {
739 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_DEBUG");
740 sctpParams->logLevel = MDCLOG_DEBUG;
741 } else if ((tmpStr.compare("info")) == 0) {
742 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_INFO");
743 sctpParams->logLevel = MDCLOG_INFO;
744 } else if ((tmpStr.compare("warning")) == 0) {
745 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_WARN");
746 sctpParams->logLevel = MDCLOG_WARN;
747 } else if ((tmpStr.compare("error")) == 0) {
748 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_ERR");
749 sctpParams->logLevel = MDCLOG_ERR;
751 mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
752 sctpParams->logLevel = MDCLOG_INFO;
754 mdclog_level_set(sctpParams->logLevel);
757 tmpStr = conf.getStringValue("trace");
758 if (tmpStr.length() == 0) {
759 mdclog_write(MDCLOG_ERR, "illigal trace. Set trace to stop");
763 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
764 if ((tmpStr.compare("start")) == 0) {
765 mdclog_write(MDCLOG_INFO, "Trace set to: start");
766 sctpParams->trace = true;
767 } else if ((tmpStr.compare("stop")) == 0) {
768 mdclog_write(MDCLOG_INFO, "Trace set to: stop");
769 sctpParams->trace = false;
771 mdclog_write(MDCLOG_ERR, "Trace was set to wrong value %s, set to stop", tmpStr.c_str());
772 sctpParams->trace = false;
774 jsonTrace = sctpParams->trace;
785 * @param rmrMessageBuffer
788 void handleEinprogressMessages(struct epoll_event &event,
789 ReportingMessages_t &message,
790 RmrMessagesBuffer_t &rmrMessageBuffer,
791 sctp_params_t *params) {
792 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
793 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
795 mdclog_write(MDCLOG_INFO, "file descriptor %d got EPOLLOUT", peerInfo->fileDescriptor);
797 socklen_t retValLen = 0;
798 auto rc = getsockopt(peerInfo->fileDescriptor, SOL_SOCKET, SO_ERROR, &retVal, &retValLen);
799 if (rc != 0 || retVal != 0) {
801 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
802 "%s|Failed SCTP Connection, after EINPROGRESS the getsockopt%s",
803 peerInfo->enodbName, strerror(errno));
804 } else if (retVal != 0) {
805 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
806 "%s|Failed SCTP Connection after EINPROGRESS, SO_ERROR",
807 peerInfo->enodbName);
810 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
811 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
812 mdclog_write(MDCLOG_ERR, "%s", rmrMessageBuffer.sendMessage->payload);
813 message.message.direction = 'N';
814 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
815 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
817 memset(peerInfo->asnData, 0, peerInfo->asnLength);
818 peerInfo->asnLength = 0;
823 peerInfo->isConnected = true;
825 if (modifyToEpoll(params->epoll_fd, peerInfo, (EPOLLIN | EPOLLET), params->sctpMap, peerInfo->enodbName,
826 peerInfo->mtype) != 0) {
827 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_MOD");
831 message.message.asndata = (unsigned char *)peerInfo->asnData;
832 message.message.asnLength = peerInfo->asnLength;
833 message.message.messageType = peerInfo->mtype;
834 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
835 num_of_messages.fetch_add(1, std::memory_order_release);
836 if (mdclog_level_get() >= MDCLOG_DEBUG) {
837 mdclog_write(MDCLOG_DEBUG, "send the delayed SETUP/ENDC SETUP to sctp for %s",
838 message.message.enodbName);
840 if (sendSctpMsg(peerInfo, message, params->sctpMap) != 0) {
841 if (mdclog_level_get() >= MDCLOG_DEBUG) {
842 mdclog_write(MDCLOG_DEBUG, "Error write to SCTP %s %d", __func__, __LINE__);
847 memset(peerInfo->asnData, 0, peerInfo->asnLength);
848 peerInfo->asnLength = 0;
853 void handlepoll_error(struct epoll_event &event,
854 ReportingMessages_t &message,
855 RmrMessagesBuffer_t &rmrMessageBuffer,
856 sctp_params_t *params) {
857 if (event.data.fd != params->rmrListenFd) {
858 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
859 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on fd %d, RAN NAME : %s",
860 event.events, peerInfo->fileDescriptor, peerInfo->enodbName);
862 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
863 "%s|Failed SCTP Connection",
864 peerInfo->enodbName);
865 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
866 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
868 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
869 message.message.direction = 'N';
870 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
871 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
874 close(peerInfo->fileDescriptor);
875 cleanHashEntry((ConnectedCU_t *) event.data.ptr, params->sctpMap);
877 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on RMR FD", event.events);
885 int setSocketNoBlocking(int socket) {
886 auto flags = fcntl(socket, F_GETFL, 0);
889 mdclog_mdc_add("func", "fcntl");
890 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
895 flags = (unsigned) flags | (unsigned) O_NONBLOCK;
896 if (fcntl(socket, F_SETFL, flags) == -1) {
897 mdclog_mdc_add("func", "fcntl");
898 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
911 void cleanHashEntry(ConnectedCU_t *val, Sctp_Map_t *m) {
913 auto port = (uint16_t) strtol(val->portNumber, &dummy, 10);
914 char searchBuff[2048]{};
916 snprintf(searchBuff, sizeof searchBuff, "host:%s:%d", val->hostName, port);
917 m->erase(searchBuff);
919 m->erase(val->enodbName);
925 * @param fd file discriptor
926 * @param data the asn data to send
927 * @param len length of the data
928 * @param enodbName the enodbName as in the map for printing purpose
929 * @param m map host information
930 * @param mtype message number
931 * @return 0 success, anegative number on fail
933 int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_t *m) {
934 auto loglevel = mdclog_level_get();
935 int fd = peerInfo->fileDescriptor;
936 if (loglevel >= MDCLOG_DEBUG) {
937 mdclog_write(MDCLOG_DEBUG, "Send SCTP message for CU %s, %s",
938 message.message.enodbName, __FUNCTION__);
942 if (send(fd,message.message.asndata, message.message.asnLength,MSG_NOSIGNAL) < 0) {
943 if (errno == EINTR) {
946 mdclog_write(MDCLOG_ERR, "error writing to CU a message, %s ", strerror(errno));
947 if (!peerInfo->isConnected) {
948 mdclog_write(MDCLOG_ERR, "connection to CU %s is still in progress.", message.message.enodbName);
951 cleanHashEntry(peerInfo, m);
953 char key[MAX_ENODB_NAME_SIZE * 2];
954 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName,
955 message.message.messageType);
956 if (loglevel >= MDCLOG_DEBUG) {
957 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
959 auto tmp = m->find(key);
966 peerInfo->sentMesgs++;
967 message.message.direction = 'D';
968 // send report.buffer of size
969 buildJsonMessage(message);
971 if (loglevel >= MDCLOG_DEBUG) {
972 mdclog_write(MDCLOG_DEBUG,
973 "SCTP message for CU %s sent from %s",
974 message.message.enodbName,
984 * @param rmrMessageBuffer
986 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer) {
987 rmr_get_meid(rmrMessageBuffer.rcvMessage, (unsigned char *) (message.message.enodbName));
989 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
990 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
992 if (mdclog_level_get() >= MDCLOG_DEBUG) {
993 mdclog_write(MDCLOG_DEBUG, "Message from Xapp RAN name = %s message length = %ld",
994 message.message.enodbName, (unsigned long) message.message.asnLength);
1004 * @param numOfMessages
1005 * @param rmrMessageBuffer
1009 int receiveDataFromSctp(struct epoll_event *events,
1010 Sctp_Map_t *sctpMap,
1012 RmrMessagesBuffer_t &rmrMessageBuffer,
1013 struct timespec &ts) {
1014 /* We have data on the fd waiting to be read. Read and display it.
1015 * We must read whatever data is available completely, as we are running
1016 * in edge-triggered mode and won't get a notification again for the same data. */
1017 ReportingMessages_t message {};
1019 auto loglevel = mdclog_level_get();
1021 // get the identity of the interface
1022 message.peerInfo = (ConnectedCU_t *)events->data.ptr;
1025 struct timespec start{0, 0};
1026 struct timespec decodestart{0, 0};
1027 struct timespec end{0, 0};
1029 E2AP_PDU_t *pdu = nullptr;
1033 if (loglevel >= MDCLOG_DEBUG) {
1034 mdclog_write(MDCLOG_DEBUG, "Start Read from SCTP %d fd", message.peerInfo->fileDescriptor);
1035 clock_gettime(CLOCK_MONOTONIC, &start);
1037 // read the buffer directly to rmr payload
1038 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1039 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1040 read(message.peerInfo->fileDescriptor, rmrMessageBuffer.sendMessage->payload, RECEIVE_SCTP_BUFFER_SIZE);
1042 if (loglevel >= MDCLOG_DEBUG) {
1043 mdclog_write(MDCLOG_DEBUG, "Finish Read from SCTP %d fd message length = %ld",
1044 message.peerInfo->fileDescriptor, message.message.asnLength);
1046 message.peerInfo->rcvMsgs++;
1047 memcpy(message.message.enodbName, message.peerInfo->enodbName, sizeof(message.peerInfo->enodbName));
1048 message.message.direction = 'U';
1049 message.message.time.tv_nsec = ts.tv_nsec;
1050 message.message.time.tv_sec = ts.tv_sec;
1052 if (message.message.asnLength < 0) {
1053 if (errno == EINTR) {
1056 /* If errno == EAGAIN, that means we have read all
1057 data. So goReportingMessages_t back to the main loop. */
1058 if (errno != EAGAIN) {
1059 mdclog_write(MDCLOG_ERR, "Read error, %s ", strerror(errno));
1061 } else if (loglevel >= MDCLOG_DEBUG) {
1062 mdclog_write(MDCLOG_DEBUG, "EAGAIN - descriptor = %d", message.peerInfo->fileDescriptor);
1065 } else if (message.message.asnLength == 0) {
1066 /* End of file. The remote has closed the connection. */
1067 if (loglevel >= MDCLOG_INFO) {
1068 mdclog_write(MDCLOG_INFO, "END of File Closed connection - descriptor = %d",
1069 message.peerInfo->fileDescriptor);
1075 asn_dec_rval_t rval;
1076 if (loglevel >= MDCLOG_DEBUG) {
1077 char printBuffer[4096]{};
1078 char *tmp = printBuffer;
1079 for (size_t i = 0; i < (size_t)message.message.asnLength; ++i) {
1080 snprintf(tmp, 3, "%02x", message.message.asndata[i]);
1083 printBuffer[message.message.asnLength] = 0;
1084 clock_gettime(CLOCK_MONOTONIC, &end);
1085 mdclog_write(MDCLOG_DEBUG, "Before Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1086 message.peerInfo->enodbName, end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1087 mdclog_write(MDCLOG_DEBUG, "PDU buffer length = %ld, data = : %s", message.message.asnLength,
1089 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1092 rval = asn_decode(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void **) &pdu,
1093 message.message.asndata, message.message.asnLength);
1094 if (rval.code != RC_OK) {
1095 mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) E2AP PDU from RAN : %s", rval.code,
1096 message.peerInfo->enodbName);
1100 if (loglevel >= MDCLOG_DEBUG) {
1101 clock_gettime(CLOCK_MONOTONIC, &end);
1102 mdclog_write(MDCLOG_DEBUG, "After Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1103 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1106 FILE *stream = open_memstream(&printBuffer, &size);
1107 asn_fprint(stream, &asn_DEF_E2AP_PDU, pdu);
1108 mdclog_write(MDCLOG_DEBUG, "Encoding E2AP PDU past : %s", printBuffer);
1109 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1112 switch (pdu->present) {
1113 case E2AP_PDU_PR_initiatingMessage: {//initiating message
1114 asnInitiatingRequest(pdu, message, rmrMessageBuffer);
1117 case E2AP_PDU_PR_successfulOutcome: { //successful outcome
1118 asnSuccsesfulMsg(pdu, message, rmrMessageBuffer);
1121 case E2AP_PDU_PR_unsuccessfulOutcome: { //Unsuccessful Outcome
1122 asnUnSuccsesfulMsg(pdu, message, rmrMessageBuffer);
1126 mdclog_write(MDCLOG_ERR, "Unknown index %d in E2AP PDU", pdu->present);
1129 if (loglevel >= MDCLOG_DEBUG) {
1130 clock_gettime(CLOCK_MONOTONIC, &end);
1131 mdclog_write(MDCLOG_DEBUG,
1132 "After processing message and sent to rmr for : %s, Read time is : %ld seconds, %ld nanoseconds",
1133 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1136 // remove the break for EAGAIN
1138 if (pdu != nullptr) {
1139 //TODO need to test ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu); to get better performance
1140 //ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu);
1141 ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1144 //clock_gettime(CLOCK_MONOTONIC, &start);
1146 // in case of break to avoid memory leak
1147 if (pdu != nullptr) {
1148 ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1153 if (loglevel >= MDCLOG_INFO) {
1154 mdclog_write(MDCLOG_INFO, "Closed connection - descriptor = %d", message.peerInfo->fileDescriptor);
1156 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1157 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
1159 "%s|CU disconnected unexpectedly",
1160 message.peerInfo->enodbName);
1161 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1163 if (sendRequestToXapp(message,
1164 RIC_SCTP_CONNECTION_FAILURE,
1165 rmrMessageBuffer) != 0) {
1166 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
1169 /* Closing descriptor make epoll remove it from the set of descriptors which are monitored. */
1170 close(message.peerInfo->fileDescriptor);
1171 cleanHashEntry((ConnectedCU_t *) events->data.ptr, sctpMap);
1173 if (loglevel >= MDCLOG_DEBUG) {
1174 clock_gettime(CLOCK_MONOTONIC, &end);
1175 mdclog_write(MDCLOG_DEBUG, "from receive SCTP to send RMR time is %ld seconds and %ld nanoseconds",
1176 end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1182 static void buildAndsendSetupRequest(ReportingMessages_t &message,
1183 E2setupRequestIEs_t *ie,
1184 RmrMessagesBuffer_t &rmrMessageBuffer,
1186 auto logLevel = mdclog_level_get();
1189 if (buildRanName(message.peerInfo->enodbName, ie) < 0) {
1190 mdclog_write(MDCLOG_ERR, "Bad param in E2setupRequestIEs GlobalE2node_ID.\n");
1192 memcpy(message.message.enodbName, message.peerInfo->enodbName, strlen(message.peerInfo->enodbName));
1194 // now we can send the data to e2Mgr
1195 auto buffer_size = RECEIVE_SCTP_BUFFER_SIZE;
1197 auto *rmrMsg = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, buffer_size);
1198 // add addrees to message
1199 auto j = snprintf((char *)rmrMsg->payload, 256, "%s:%d|", message.peerInfo->sctpParams->myIP.c_str(), message.peerInfo->sctpParams->rmrPort);
1202 unsigned char *buffer = &rmrMsg->payload[j];
1205 er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu, buffer, buffer_size - j);
1206 if (er.encoded == -1) {
1207 mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
1208 } else if (er.encoded > (ssize_t) buffer_size) {
1209 mdclog_write(MDCLOG_ERR, "Buffer of size %d is to small for %s",
1211 asn_DEF_E2AP_PDU.name);
1213 if (logLevel >= MDCLOG_DEBUG) {
1214 mdclog_write(MDCLOG_DEBUG, "Buffer of size %d, data = %s", (int) er.encoded, buffer);
1217 message.message.messageType = rmrMsg->mtype = RIC_E2_SETUP_REQ;
1219 rmr_bytes2meid(rmrMsg, (unsigned char *) message.message.enodbName, strlen(message.message.enodbName));
1221 static unsigned char tx[32];
1222 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1223 rmr_bytes2xact(rmrMsg, tx, strlen((const char *) tx));
1225 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1226 if (rmrMsg == nullptr) {
1227 mdclog_write(MDCLOG_ERR, "RMR failed to send returned nullptr");
1228 } else if (rmrMsg->state != 0) {
1229 char meid[RMR_MAX_MEID]{};
1230 if (rmrMsg->state == RMR_ERR_RETRY) {
1233 mdclog_write(MDCLOG_INFO, "RETRY sending Message %d to Xapp from %s",
1234 rmrMsg->mtype, rmr_get_meid(rmrMsg, (unsigned char *) meid));
1235 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1236 if (rmrMsg == nullptr) {
1237 mdclog_write(MDCLOG_ERR, "RMR failed send returned nullptr");
1238 } else if (rmrMsg->state != 0) {
1239 mdclog_write(MDCLOG_ERR,
1240 "RMR Retry failed %s sending request %d to Xapp from %s",
1241 translateRmrErrorMessages(rmrMsg->state).c_str(),
1243 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1246 mdclog_write(MDCLOG_ERR, "RMR failed: %s. sending request %d to Xapp from %s",
1247 translateRmrErrorMessages(rmrMsg->state).c_str(),
1249 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1252 message.peerInfo->gotSetup = true;
1253 buildJsonMessage(message);
1261 * @param rmrMessageBuffer
1263 void asnInitiatingRequest(E2AP_PDU_t *pdu,
1264 ReportingMessages_t &message,
1265 RmrMessagesBuffer_t &rmrMessageBuffer) {
1266 auto logLevel = mdclog_level_get();
1267 auto procedureCode = ((InitiatingMessage_t *) pdu->choice.initiatingMessage)->procedureCode;
1268 if (logLevel >= MDCLOG_DEBUG) {
1269 mdclog_write(MDCLOG_DEBUG, "Initiating message %ld\n", procedureCode);
1271 switch (procedureCode) {
1272 case ProcedureCode_id_E2setup: {
1273 if (logLevel >= MDCLOG_DEBUG) {
1274 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1277 memset(message.peerInfo->enodbName, 0 , MAX_ENODB_NAME_SIZE);
1278 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.count; i++) {
1279 auto *ie = pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.array[i];
1280 if (ie->id == ProtocolIE_ID_id_GlobalE2node_ID) {
1281 if (ie->value.present == E2setupRequestIEs__value_PR_GlobalE2node_ID) {
1282 buildAndsendSetupRequest(message, ie, rmrMessageBuffer, pdu);
1289 case ProcedureCode_id_ErrorIndication: {
1290 if (logLevel >= MDCLOG_DEBUG) {
1291 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1293 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1294 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1298 case ProcedureCode_id_Reset: {
1299 if (logLevel >= MDCLOG_DEBUG) {
1300 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1302 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1303 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1307 case ProcedureCode_id_RICcontrol: {
1308 if (logLevel >= MDCLOG_DEBUG) {
1309 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1313 case ProcedureCode_id_RICindication: {
1314 if (logLevel >= MDCLOG_DEBUG) {
1315 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1317 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1318 auto messageSent = false;
1319 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1320 if (logLevel >= MDCLOG_DEBUG) {
1321 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1323 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1324 if (logLevel >= MDCLOG_DEBUG) {
1325 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1327 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1328 static unsigned char tx[32];
1329 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1330 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1331 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1332 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1333 (unsigned char *)message.message.enodbName,
1334 strlen(message.message.enodbName));
1335 rmrMessageBuffer.sendMessage->state = 0;
1336 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1337 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1338 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1339 rmrMessageBuffer.sendMessage->sub_id,
1340 rmrMessageBuffer.sendMessage->mtype);
1342 sendRmrMessage(rmrMessageBuffer, message);
1345 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1354 case ProcedureCode_id_RICserviceQuery: {
1355 if (logLevel >= MDCLOG_DEBUG) {
1356 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1360 case ProcedureCode_id_RICserviceUpdate: {
1361 if (logLevel >= MDCLOG_DEBUG) {
1362 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1364 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1365 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1369 case ProcedureCode_id_RICsubscription: {
1370 if (logLevel >= MDCLOG_DEBUG) {
1371 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1375 case ProcedureCode_id_RICsubscriptionDelete: {
1376 if (logLevel >= MDCLOG_DEBUG) {
1377 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1382 mdclog_write(MDCLOG_ERR, "Undefined or not supported message = %ld", procedureCode);
1383 message.message.messageType = 0; // no RMR message type yet
1385 buildJsonMessage(message);
1396 * @param rmrMessageBuffer
1398 void asnSuccsesfulMsg(E2AP_PDU_t *pdu, ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer) {
1399 auto procedureCode = pdu->choice.successfulOutcome->procedureCode;
1400 auto logLevel = mdclog_level_get();
1401 if (logLevel >= MDCLOG_INFO) {
1402 mdclog_write(MDCLOG_INFO, "Successful Outcome %ld", procedureCode);
1404 switch (procedureCode) {
1405 case ProcedureCode_id_E2setup: {
1406 if (logLevel >= MDCLOG_DEBUG) {
1407 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1411 case ProcedureCode_id_ErrorIndication: {
1412 if (logLevel >= MDCLOG_DEBUG) {
1413 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1415 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1416 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1420 case ProcedureCode_id_Reset: {
1421 if (logLevel >= MDCLOG_DEBUG) {
1422 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1424 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1425 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1429 case ProcedureCode_id_RICcontrol: {
1430 if (logLevel >= MDCLOG_DEBUG) {
1431 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1434 i < pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.count; i++) {
1435 auto messageSent = false;
1436 RICcontrolAcknowledge_IEs_t *ie = pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.array[i];
1437 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1438 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1440 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1441 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1442 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1444 if (ie->value.present == RICcontrolAcknowledge_IEs__value_PR_RICrequestID) {
1445 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_ACK;
1446 rmrMessageBuffer.sendMessage->state = 0;
1447 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1448 static unsigned char tx[32];
1449 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1450 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1451 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1452 (unsigned char *)message.message.enodbName,
1453 strlen(message.message.enodbName));
1455 sendRmrMessage(rmrMessageBuffer, message);
1458 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1468 case ProcedureCode_id_RICindication: {
1469 if (logLevel >= MDCLOG_DEBUG) {
1470 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1472 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1473 auto messageSent = false;
1474 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1475 if (logLevel >= MDCLOG_DEBUG) {
1476 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1478 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1479 if (logLevel >= MDCLOG_DEBUG) {
1480 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1482 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1483 static unsigned char tx[32];
1484 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1485 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1486 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1487 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1488 (unsigned char *)message.message.enodbName,
1489 strlen(message.message.enodbName));
1490 rmrMessageBuffer.sendMessage->state = 0;
1491 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1492 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1493 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1494 rmrMessageBuffer.sendMessage->sub_id,
1495 rmrMessageBuffer.sendMessage->mtype);
1497 sendRmrMessage(rmrMessageBuffer, message);
1500 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1509 case ProcedureCode_id_RICserviceQuery: {
1510 if (logLevel >= MDCLOG_DEBUG) {
1511 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1515 case ProcedureCode_id_RICserviceUpdate: {
1516 if (logLevel >= MDCLOG_DEBUG) {
1517 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1519 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1520 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1524 case ProcedureCode_id_RICsubscription: {
1525 if (logLevel >= MDCLOG_DEBUG) {
1526 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1528 if (sendRequestToXapp(message, RIC_SUB_RESP, rmrMessageBuffer) != 0) {
1529 mdclog_write(MDCLOG_ERR, "Subscription successful message failed to send to xAPP");
1533 case ProcedureCode_id_RICsubscriptionDelete: {
1534 if (logLevel >= MDCLOG_DEBUG) {
1535 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1537 if (sendRequestToXapp(message, RIC_SUB_DEL_RESP, rmrMessageBuffer) != 0) {
1538 mdclog_write(MDCLOG_ERR, "Subscription delete successful message failed to send to xAPP");
1543 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1544 message.message.messageType = 0; // no RMR message type yet
1545 buildJsonMessage(message);
1556 * @param rmrMessageBuffer
1558 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
1559 ReportingMessages_t &message,
1560 RmrMessagesBuffer_t &rmrMessageBuffer) {
1561 auto procedureCode = pdu->choice.unsuccessfulOutcome->procedureCode;
1562 auto logLevel = mdclog_level_get();
1563 if (logLevel >= MDCLOG_INFO) {
1564 mdclog_write(MDCLOG_INFO, "Unsuccessful Outcome %ld", procedureCode);
1566 switch (procedureCode) {
1567 case ProcedureCode_id_E2setup: {
1568 if (logLevel >= MDCLOG_DEBUG) {
1569 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1573 case ProcedureCode_id_ErrorIndication: {
1574 if (logLevel >= MDCLOG_DEBUG) {
1575 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1577 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1578 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1582 case ProcedureCode_id_Reset: {
1583 if (logLevel >= MDCLOG_DEBUG) {
1584 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1586 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1587 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1591 case ProcedureCode_id_RICcontrol: {
1592 if (logLevel >= MDCLOG_DEBUG) {
1593 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1596 i < pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.count; i++) {
1597 auto messageSent = false;
1598 RICcontrolFailure_IEs_t *ie = pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.array[i];
1599 if (logLevel >= MDCLOG_DEBUG) {
1600 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1602 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1603 if (logLevel >= MDCLOG_DEBUG) {
1604 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1606 if (ie->value.present == RICcontrolFailure_IEs__value_PR_RICrequestID) {
1607 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_FAILURE;
1608 rmrMessageBuffer.sendMessage->state = 0;
1609 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1610 static unsigned char tx[32];
1611 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1612 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1613 rmr_bytes2meid(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.enodbName,
1614 strlen(message.message.enodbName));
1615 sendRmrMessage(rmrMessageBuffer, message);
1618 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1627 case ProcedureCode_id_RICindication: {
1628 if (logLevel >= MDCLOG_DEBUG) {
1629 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1631 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1632 auto messageSent = false;
1633 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1634 if (logLevel >= MDCLOG_DEBUG) {
1635 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1637 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1638 if (logLevel >= MDCLOG_DEBUG) {
1639 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1641 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1642 static unsigned char tx[32];
1643 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1644 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1645 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1646 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1647 (unsigned char *)message.message.enodbName,
1648 strlen(message.message.enodbName));
1649 rmrMessageBuffer.sendMessage->state = 0;
1650 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1651 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1652 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1653 rmrMessageBuffer.sendMessage->sub_id,
1654 rmrMessageBuffer.sendMessage->mtype);
1656 sendRmrMessage(rmrMessageBuffer, message);
1659 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1668 case ProcedureCode_id_RICserviceQuery: {
1669 if (logLevel >= MDCLOG_DEBUG) {
1670 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1674 case ProcedureCode_id_RICserviceUpdate: {
1675 if (logLevel >= MDCLOG_DEBUG) {
1676 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1678 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1679 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1683 case ProcedureCode_id_RICsubscription: {
1684 if (logLevel >= MDCLOG_DEBUG) {
1685 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1687 if (sendRequestToXapp(message, RIC_SUB_FAILURE, rmrMessageBuffer) != 0) {
1688 mdclog_write(MDCLOG_ERR, "Subscription unsuccessful message failed to send to xAPP");
1692 case ProcedureCode_id_RICsubscriptionDelete: {
1693 if (logLevel >= MDCLOG_DEBUG) {
1694 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1696 if (sendRequestToXapp(message, RIC_SUB_DEL_FAILURE, rmrMessageBuffer) != 0) {
1697 mdclog_write(MDCLOG_ERR, "Subscription Delete unsuccessful message failed to send to xAPP");
1702 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1703 message.message.messageType = 0; // no RMR message type yet
1705 buildJsonMessage(message);
1716 * @param rmrMmessageBuffer
1719 int sendRequestToXapp(ReportingMessages_t &message,
1721 RmrMessagesBuffer_t &rmrMmessageBuffer) {
1722 rmr_bytes2meid(rmrMmessageBuffer.sendMessage,
1723 (unsigned char *)message.message.enodbName,
1724 strlen(message.message.enodbName));
1725 message.message.messageType = rmrMmessageBuffer.sendMessage->mtype = requestId;
1726 rmrMmessageBuffer.sendMessage->state = 0;
1727 static unsigned char tx[32];
1728 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1729 rmr_bytes2xact(rmrMmessageBuffer.sendMessage, tx, strlen((const char *) tx));
1731 auto rc = sendRmrMessage(rmrMmessageBuffer, message);
1736 void getRmrContext(sctp_params_t &pSctpParams) {
1737 pSctpParams.rmrCtx = nullptr;
1738 pSctpParams.rmrCtx = rmr_init(pSctpParams.rmrAddress, RMR_MAX_RCV_BYTES, RMRFL_NONE);
1739 if (pSctpParams.rmrCtx == nullptr) {
1740 mdclog_write(MDCLOG_ERR, "Failed to initialize RMR");
1744 rmr_set_stimeout(pSctpParams.rmrCtx, 0); // disable retries for any send operation
1745 // we need to find that routing table exist and we can run
1746 if (mdclog_level_get() >= MDCLOG_INFO) {
1747 mdclog_write(MDCLOG_INFO, "We are after RMR INIT wait for RMR_Ready");
1752 if ((rmrReady = rmr_ready(pSctpParams.rmrCtx)) == 0) {
1756 if (count % 60 == 0) {
1757 mdclog_write(MDCLOG_INFO, "waiting to RMR ready state for %d seconds", count);
1760 if (mdclog_level_get() >= MDCLOG_INFO) {
1761 mdclog_write(MDCLOG_INFO, "RMR running");
1763 rmr_init_trace(pSctpParams.rmrCtx, 200);
1764 // get the RMR fd for the epoll
1765 pSctpParams.rmrListenFd = rmr_get_rcvfd(pSctpParams.rmrCtx);
1766 struct epoll_event event{};
1767 // add RMR fd to epoll
1768 event.events = (EPOLLIN);
1769 event.data.fd = pSctpParams.rmrListenFd;
1770 // add listening RMR FD to epoll
1771 if (epoll_ctl(pSctpParams.epoll_fd, EPOLL_CTL_ADD, pSctpParams.rmrListenFd, &event)) {
1772 mdclog_write(MDCLOG_ERR, "Failed to add RMR descriptor to epoll");
1773 close(pSctpParams.rmrListenFd);
1774 rmr_close(pSctpParams.rmrCtx);
1775 pSctpParams.rmrCtx = nullptr;
1782 * @param rmrMessageBuffer
1786 int receiveXappMessages(Sctp_Map_t *sctpMap,
1787 RmrMessagesBuffer_t &rmrMessageBuffer,
1788 struct timespec &ts) {
1789 if (rmrMessageBuffer.rcvMessage == nullptr) {
1791 mdclog_write(MDCLOG_ERR, "RMR Allocation message, %s", strerror(errno));
1795 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1796 mdclog_write(MDCLOG_DEBUG, "Call to rmr_rcv_msg");
1798 rmrMessageBuffer.rcvMessage = rmr_rcv_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.rcvMessage);
1799 if (rmrMessageBuffer.rcvMessage == nullptr) {
1800 mdclog_write(MDCLOG_ERR, "RMR Receving message with null pointer, Realloc rmr mesage buffer");
1801 rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
1804 ReportingMessages_t message;
1805 message.message.direction = 'D';
1806 message.message.time.tv_nsec = ts.tv_nsec;
1807 message.message.time.tv_sec = ts.tv_sec;
1809 // get message payload
1810 //auto msgData = msg->payload;
1811 if (rmrMessageBuffer.rcvMessage->state != 0) {
1812 mdclog_write(MDCLOG_ERR, "RMR Receving message with stat = %d", rmrMessageBuffer.rcvMessage->state);
1815 switch (rmrMessageBuffer.rcvMessage->mtype) {
1816 case RIC_E2_SETUP_RESP : {
1817 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1818 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_RESP");
1823 case RIC_E2_SETUP_FAILURE : {
1824 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1825 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_FAILURE");
1830 case RIC_ERROR_INDICATION: {
1831 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1832 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ERROR_INDICATION");
1838 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1839 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_REQ");
1844 case RIC_SUB_DEL_REQ: {
1845 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1846 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_DEL_REQ");
1851 case RIC_CONTROL_REQ: {
1852 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1853 mdclog_write(MDCLOG_ERR, "Failed to send RIC_CONTROL_REQ");
1858 case RIC_SERVICE_QUERY: {
1859 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1860 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_QUERY");
1865 case RIC_SERVICE_UPDATE_ACK: {
1866 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1867 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_ACK");
1872 case RIC_SERVICE_UPDATE_FAILURE: {
1873 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1874 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_FAILURE");
1879 case RIC_X2_RESET: {
1880 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1881 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET");
1886 case RIC_X2_RESET_RESP: {
1887 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1888 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET_RESP");
1893 case RIC_SCTP_CLEAR_ALL: {
1894 mdclog_write(MDCLOG_INFO, "RIC_SCTP_CLEAR_ALL");
1895 // loop on all keys and close socket and then erase all map.
1897 sctpMap->getKeys(v);
1898 for (auto const &iter : v) { //}; iter != sctpMap.end(); iter++) {
1899 if (!boost::starts_with((string) (iter), "host:") && !boost::starts_with((string) (iter), "msg:")) {
1900 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(iter);
1901 if (peerInfo == nullptr) {
1904 close(peerInfo->fileDescriptor);
1905 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
1906 message.message.direction = 'D';
1907 message.message.time.tv_nsec = ts.tv_nsec;
1908 message.message.time.tv_sec = ts.tv_sec;
1910 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1911 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
1913 "%s|RIC_SCTP_CLEAR_ALL",
1914 peerInfo->enodbName);
1915 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1916 mdclog_write(MDCLOG_INFO, "%s", message.message.asndata);
1917 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
1918 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
1928 case E2_TERM_KEEP_ALIVE_REQ: {
1929 // send message back
1930 rmr_bytes2payload(rmrMessageBuffer.sendMessage,
1931 (unsigned char *)rmrMessageBuffer.ka_message,
1932 rmrMessageBuffer.ka_message_len);
1933 rmrMessageBuffer.sendMessage->mtype = E2_TERM_KEEP_ALIVE_RESP;
1934 rmrMessageBuffer.sendMessage->state = 0;
1935 static unsigned char tx[32];
1936 auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1937 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, txLen);
1938 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
1939 if (rmrMessageBuffer.sendMessage == nullptr) {
1940 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
1941 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP RMR message returned NULL");
1942 } else if (rmrMessageBuffer.sendMessage->state != 0) {
1943 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP, on RMR state = %d ( %s)",
1944 rmrMessageBuffer.sendMessage->state, translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str());
1945 } else if (mdclog_level_get() >= MDCLOG_INFO) {
1946 mdclog_write(MDCLOG_INFO, "Got Keep Alive Request send : %s", rmrMessageBuffer.ka_message);
1952 mdclog_write(MDCLOG_WARN, "Message Type : %d is not seported", rmrMessageBuffer.rcvMessage->mtype);
1953 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
1954 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
1955 message.message.time.tv_nsec = ts.tv_nsec;
1956 message.message.time.tv_sec = ts.tv_sec;
1957 message.message.messageType = rmrMessageBuffer.rcvMessage->mtype;
1959 buildJsonMessage(message);
1964 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1965 mdclog_write(MDCLOG_DEBUG, "EXIT OK from %s", __FUNCTION__);
1971 * Send message to the CU that is not expecting for successful or unsuccessful results
1972 * @param messageBuffer
1974 * @param failedMsgId
1978 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messageBuffer,
1979 ReportingMessages_t &message,
1981 Sctp_Map_t *sctpMap) {
1983 getRequestMetaData(message, messageBuffer);
1984 if (mdclog_level_get() >= MDCLOG_INFO) {
1985 mdclog_write(MDCLOG_INFO, "send message to %s address", message.message.enodbName);
1988 auto rc = sendMessagetoCu(sctpMap, messageBuffer, message, failedMsgId);
1995 * @param messageBuffer
1997 * @param failedMesgId
2000 int sendMessagetoCu(Sctp_Map_t *sctpMap,
2001 RmrMessagesBuffer_t &messageBuffer,
2002 ReportingMessages_t &message,
2004 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(message.message.enodbName);
2005 if (peerInfo == nullptr) {
2006 if (failedMesgId != 0) {
2007 sendFailedSendingMessagetoXapp(messageBuffer, message, failedMesgId);
2009 mdclog_write(MDCLOG_ERR, "Failed to send message no CU entry %s", message.message.enodbName);
2015 message.message.messageType = messageBuffer.rcvMessage->mtype;
2016 auto rc = sendSctpMsg(peerInfo, message, sctpMap);
2022 * @param rmrCtx the rmr context to send and receive
2023 * @param msg the msg we got fromxApp
2024 * @param metaData data from xApp in ordered struct
2025 * @param failedMesgId the return message type error
2028 sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message, int failedMesgId) {
2029 rmr_mbuf_t *msg = rmrMessageBuffer.sendMessage;
2030 msg->len = snprintf((char *) msg->payload, 200, "the gNb/eNode name %s not found",
2031 message.message.enodbName);
2032 if (mdclog_level_get() >= MDCLOG_INFO) {
2033 mdclog_write(MDCLOG_INFO, "%s", msg->payload);
2035 msg->mtype = failedMesgId;
2038 static unsigned char tx[32];
2039 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
2040 rmr_bytes2xact(msg, tx, strlen((const char *) tx));
2042 sendRmrMessage(rmrMessageBuffer, message);
2057 int addToEpoll(int epoll_fd,
2058 ConnectedCU_t *peerInfo,
2060 Sctp_Map_t *sctpMap,
2064 struct epoll_event event{};
2065 event.data.ptr = peerInfo;
2066 event.events = events;
2067 if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, peerInfo->fileDescriptor, &event) < 0) {
2068 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2069 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here), %s, %s %d",
2070 strerror(errno), __func__, __LINE__);
2072 close(peerInfo->fileDescriptor);
2073 if (enodbName != nullptr) {
2074 cleanHashEntry(peerInfo, sctpMap);
2075 char key[MAX_ENODB_NAME_SIZE * 2];
2076 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2077 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2078 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2080 auto tmp = sctpMap->find(key);
2083 sctpMap->erase(key);
2086 peerInfo->enodbName[0] = 0;
2088 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2104 int modifyToEpoll(int epoll_fd,
2105 ConnectedCU_t *peerInfo,
2107 Sctp_Map_t *sctpMap,
2111 struct epoll_event event{};
2112 event.data.ptr = peerInfo;
2113 event.events = events;
2114 if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, peerInfo->fileDescriptor, &event) < 0) {
2115 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2116 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_MOD (may chack not to quit here), %s, %s %d",
2117 strerror(errno), __func__, __LINE__);
2119 close(peerInfo->fileDescriptor);
2120 cleanHashEntry(peerInfo, sctpMap);
2121 char key[MAX_ENODB_NAME_SIZE * 2];
2122 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2123 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2124 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2126 auto tmp = sctpMap->find(key);
2130 sctpMap->erase(key);
2131 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2138 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message) {
2139 buildJsonMessage(message);
2141 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2143 if (rmrMessageBuffer.sendMessage == nullptr) {
2144 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2145 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
2149 if (rmrMessageBuffer.sendMessage->state != 0) {
2150 char meid[RMR_MAX_MEID]{};
2151 if (rmrMessageBuffer.sendMessage->state == RMR_ERR_RETRY) {
2153 rmrMessageBuffer.sendMessage->state = 0;
2154 mdclog_write(MDCLOG_INFO, "RETRY sending Message type %d to Xapp from %s",
2155 rmrMessageBuffer.sendMessage->mtype,
2156 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2157 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2158 if (rmrMessageBuffer.sendMessage == nullptr) {
2159 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
2160 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2162 } else if (rmrMessageBuffer.sendMessage->state != 0) {
2163 mdclog_write(MDCLOG_ERR,
2164 "Message state %s while sending request %d to Xapp from %s after retry of 10 microseconds",
2165 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
2166 rmrMessageBuffer.sendMessage->mtype,
2167 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2168 auto rc = rmrMessageBuffer.sendMessage->state;
2172 mdclog_write(MDCLOG_ERR, "Message state %s while sending request %d to Xapp from %s",
2173 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
2174 rmrMessageBuffer.sendMessage->mtype,
2175 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2176 return rmrMessageBuffer.sendMessage->state;
2182 void buildJsonMessage(ReportingMessages_t &message) {
2184 message.outLen = sizeof(message.base64Data);
2185 base64::encode((const unsigned char *) message.message.asndata,
2186 (const int) message.message.asnLength,
2189 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2190 mdclog_write(MDCLOG_DEBUG, "asn data length = %d, base64 message length = %d ",
2191 (int) message.message.asnLength,
2192 (int) message.outLen);
2195 snprintf(message.buffer, sizeof(message.buffer),
2196 "{\"header\": {\"ts\": \"%ld.%09ld\","
2197 "\"ranName\": \"%s\","
2198 "\"messageType\": %d,"
2199 "\"direction\": \"%c\"},"
2200 "\"base64Length\": %d,"
2201 "\"asnBase64\": \"%s\"}",
2202 message.message.time.tv_sec,
2203 message.message.time.tv_nsec,
2204 message.message.enodbName,
2205 message.message.messageType,
2206 message.message.direction,
2207 (int) message.outLen,
2208 message.base64Data);
2209 static src::logger_mt &lg = my_logger::get();
2211 BOOST_LOG(lg) << message.buffer;
2217 * take RMR error code to string
2221 string translateRmrErrorMessages(int state) {
2225 str = "RMR_OK - state is good";
2227 case RMR_ERR_BADARG:
2228 str = "RMR_ERR_BADARG - argument passd to function was unusable";
2230 case RMR_ERR_NOENDPT:
2231 str = "RMR_ERR_NOENDPT - send//call could not find an endpoint based on msg type";
2234 str = "RMR_ERR_EMPTY - msg received had no payload; attempt to send an empty message";
2237 str = "RMR_ERR_NOHDR - message didn't contain a valid header";
2239 case RMR_ERR_SENDFAILED:
2240 str = "RMR_ERR_SENDFAILED - send failed; errno has nano reason";
2242 case RMR_ERR_CALLFAILED:
2243 str = "RMR_ERR_CALLFAILED - unable to send call() message";
2245 case RMR_ERR_NOWHOPEN:
2246 str = "RMR_ERR_NOWHOPEN - no wormholes are open";
2249 str = "RMR_ERR_WHID - wormhole id was invalid";
2251 case RMR_ERR_OVERFLOW:
2252 str = "RMR_ERR_OVERFLOW - operation would have busted through a buffer/field size";
2255 str = "RMR_ERR_RETRY - request (send/call/rts) failed, but caller should retry (EAGAIN for wrappers)";
2257 case RMR_ERR_RCVFAILED:
2258 str = "RMR_ERR_RCVFAILED - receive failed (hard error)";
2260 case RMR_ERR_TIMEOUT:
2261 str = "RMR_ERR_TIMEOUT - message processing call timed out";
2264 str = "RMR_ERR_UNSET - the message hasn't been populated with a transport buffer";
2267 str = "RMR_ERR_TRUNC - received message likely truncated";
2269 case RMR_ERR_INITFAILED:
2270 str = "RMR_ERR_INITFAILED - initialisation of something (probably message) failed";
2272 case RMR_ERR_NOTSUPP:
2273 str = "RMR_ERR_NOTSUPP - the request is not supported, or RMr was not initialised for the request";
2277 snprintf(buf, sizeof buf, "UNDOCUMENTED RMR_ERR : %d", state);