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 // new connection is requested from RAN start build connection
578 struct sockaddr in_addr {};
580 char hostBuff[NI_MAXHOST];
581 char portBuff[NI_MAXSERV];
583 in_len = sizeof(in_addr);
584 auto *peerInfo = (ConnectedCU_t *)calloc(1, sizeof(ConnectedCU_t));
585 peerInfo->sctpParams = params;
586 peerInfo->fileDescriptor = accept(params->listenFD, &in_addr, &in_len);
587 if (peerInfo->fileDescriptor == -1) {
588 if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
589 /* We have processed all incoming connections. */
592 mdclog_write(MDCLOG_ERR, "Accept error, errno = %s", strerror(errno));
596 if (setSocketNoBlocking(peerInfo->fileDescriptor) == -1) {
597 mdclog_write(MDCLOG_ERR, "setSocketNoBlocking failed to set new connection %s on port %s\n", hostBuff, portBuff);
598 close(peerInfo->fileDescriptor);
601 auto ans = getnameinfo(&in_addr, in_len,
602 peerInfo->hostName, NI_MAXHOST,
603 peerInfo->portNumber, NI_MAXSERV, (signed )((unsigned)NI_NUMERICHOST | NI_NUMERICSERV));
605 mdclog_write(MDCLOG_ERR, "Failed to get info on connection request. %s\n", strerror(errno));
606 close(peerInfo->fileDescriptor);
609 if (mdclog_level_get() >= MDCLOG_DEBUG) {
610 mdclog_write(MDCLOG_DEBUG, "Accepted connection on descriptor %d (host=%s, port=%s)\n", peerInfo->fileDescriptor, peerInfo->hostName, peerInfo->portNumber);
612 peerInfo->isConnected = false;
613 peerInfo->gotSetup = false;
614 if (addToEpoll(params->epoll_fd,
617 params->sctpMap, nullptr,
622 } else if (params->rmrListenFd == events[i].data.fd) {
623 // got message from XAPP
624 num_of_XAPP_messages.fetch_add(1, std::memory_order_release);
625 num_of_messages.fetch_add(1, std::memory_order_release);
626 if (mdclog_level_get() >= MDCLOG_DEBUG) {
627 mdclog_write(MDCLOG_DEBUG, "new message from RMR");
629 if (receiveXappMessages(params->epoll_fd,
632 message.message.time) != 0) {
633 mdclog_write(MDCLOG_ERR, "Error handling Xapp message");
635 } else if (params->inotifyFD == events[i].data.fd) {
636 mdclog_write(MDCLOG_INFO, "Got event from inotify (configuration update)");
637 handleConfigChange(params);
639 /* We RMR_ERR_RETRY have data on the fd waiting to be read. Read and display it.
640 * We must read whatever data is available completely, as we are running
641 * in edge-triggered mode and won't get a notification again for the same data. */
642 num_of_messages.fetch_add(1, std::memory_order_release);
643 if (mdclog_level_get() >= MDCLOG_DEBUG) {
644 mdclog_write(MDCLOG_DEBUG, "new message from SCTP, epoll flags are : %0x", events[i].events);
646 receiveDataFromSctp(&events[i],
648 num_of_SCTP_messages,
650 message.message.time);
653 clock_gettime(CLOCK_MONOTONIC, &end);
654 if (mdclog_level_get() >= MDCLOG_INFO) {
655 totalTime += ((end.tv_sec + 1.0e-9 * end.tv_nsec) -
656 ((double) start.tv_sec + 1.0e-9 * start.tv_nsec));
658 if (mdclog_level_get() >= MDCLOG_DEBUG) {
659 mdclog_write(MDCLOG_DEBUG, "message handling is %ld seconds %ld nanoseconds",
660 end.tv_sec - start.tv_sec,
661 end.tv_nsec - start.tv_nsec);
671 void handleConfigChange(sctp_params_t *sctpParams) {
672 char buf[4096] __attribute__ ((aligned(__alignof__(struct inotify_event))));
673 const struct inotify_event *event;
676 path p = (sctpParams->configFilePath + "/" + sctpParams->configFileName).c_str();
677 auto endlessLoop = true;
678 while (endlessLoop) {
679 auto len = read(sctpParams->inotifyFD, buf, sizeof buf);
681 if (errno != EAGAIN) {
682 mdclog_write(MDCLOG_ERR, "read %s ", strerror(errno));
692 for (ptr = buf; ptr < buf + len; ptr += sizeof(struct inotify_event) + event->len) {
693 event = (const struct inotify_event *)ptr;
694 if (event->mask & (uint32_t)IN_ISDIR) {
698 // the directory name
699 if (sctpParams->inotifyWD == event->wd) {
703 if (!(sctpParams->configFileName.compare(event->name))) {
707 // only the file we want
708 if (event->mask & (uint32_t)IN_CLOSE_WRITE) {
710 const int size = 2048;
711 auto fileSize = file_size(p);
712 if (fileSize > size) {
713 mdclog_write(MDCLOG_ERR, "File %s larger than %d", p.string().c_str(), size);
717 mdclog_write(MDCLOG_ERR, "Configuration File %s not exists", p.string().c_str());
722 if (conf.openConfigFile(p.string()) == -1) {
723 mdclog_write(MDCLOG_ERR, "Filed to open config file %s, %s",
724 p.string().c_str(), strerror(errno));
728 auto tmpStr = conf.getStringValue("loglevel");
729 if (tmpStr.length() == 0) {
730 mdclog_write(MDCLOG_ERR, "illigal loglevel. Set loglevel to MDCLOG_INFO");
733 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
735 if ((tmpStr.compare("debug")) == 0) {
736 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_DEBUG");
737 sctpParams->logLevel = MDCLOG_DEBUG;
738 } else if ((tmpStr.compare("info")) == 0) {
739 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_INFO");
740 sctpParams->logLevel = MDCLOG_INFO;
741 } else if ((tmpStr.compare("warning")) == 0) {
742 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_WARN");
743 sctpParams->logLevel = MDCLOG_WARN;
744 } else if ((tmpStr.compare("error")) == 0) {
745 mdclog_write(MDCLOG_INFO, "Log level set to MDCLOG_ERR");
746 sctpParams->logLevel = MDCLOG_ERR;
748 mdclog_write(MDCLOG_ERR, "illigal loglevel = %s. Set loglevel to MDCLOG_INFO", tmpStr.c_str());
749 sctpParams->logLevel = MDCLOG_INFO;
751 mdclog_level_set(sctpParams->logLevel);
754 tmpStr = conf.getStringValue("trace");
755 if (tmpStr.length() == 0) {
756 mdclog_write(MDCLOG_ERR, "illigal trace. Set trace to stop");
760 transform(tmpStr.begin(), tmpStr.end(), tmpStr.begin(), ::tolower);
761 if ((tmpStr.compare("start")) == 0) {
762 mdclog_write(MDCLOG_INFO, "Trace set to: start");
763 sctpParams->trace = true;
764 } else if ((tmpStr.compare("stop")) == 0) {
765 mdclog_write(MDCLOG_INFO, "Trace set to: stop");
766 sctpParams->trace = false;
768 mdclog_write(MDCLOG_ERR, "Trace was set to wrong value %s, set to stop", tmpStr.c_str());
769 sctpParams->trace = false;
771 jsonTrace = sctpParams->trace;
782 * @param rmrMessageBuffer
785 void handleEinprogressMessages(struct epoll_event &event,
786 ReportingMessages_t &message,
787 RmrMessagesBuffer_t &rmrMessageBuffer,
788 sctp_params_t *params) {
789 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
790 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
792 mdclog_write(MDCLOG_INFO, "file descriptor %d got EPOLLOUT", peerInfo->fileDescriptor);
794 socklen_t retValLen = 0;
795 auto rc = getsockopt(peerInfo->fileDescriptor, SOL_SOCKET, SO_ERROR, &retVal, &retValLen);
796 if (rc != 0 || retVal != 0) {
798 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
799 "%s|Failed SCTP Connection, after EINPROGRESS the getsockopt%s",
800 peerInfo->enodbName, strerror(errno));
801 } else if (retVal != 0) {
802 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
803 "%s|Failed SCTP Connection after EINPROGRESS, SO_ERROR",
804 peerInfo->enodbName);
807 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
808 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
809 mdclog_write(MDCLOG_ERR, "%s", rmrMessageBuffer.sendMessage->payload);
810 message.message.direction = 'N';
811 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
812 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
814 memset(peerInfo->asnData, 0, peerInfo->asnLength);
815 peerInfo->asnLength = 0;
820 peerInfo->isConnected = true;
822 if (modifyToEpoll(params->epoll_fd, peerInfo, (EPOLLIN | EPOLLET), params->sctpMap, peerInfo->enodbName,
823 peerInfo->mtype) != 0) {
824 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_MOD");
828 message.message.asndata = (unsigned char *)peerInfo->asnData;
829 message.message.asnLength = peerInfo->asnLength;
830 message.message.messageType = peerInfo->mtype;
831 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
832 num_of_messages.fetch_add(1, std::memory_order_release);
833 if (mdclog_level_get() >= MDCLOG_DEBUG) {
834 mdclog_write(MDCLOG_DEBUG, "send the delayed SETUP/ENDC SETUP to sctp for %s",
835 message.message.enodbName);
837 if (sendSctpMsg(peerInfo, message, params->sctpMap) != 0) {
838 if (mdclog_level_get() >= MDCLOG_DEBUG) {
839 mdclog_write(MDCLOG_DEBUG, "Error write to SCTP %s %d", __func__, __LINE__);
844 memset(peerInfo->asnData, 0, peerInfo->asnLength);
845 peerInfo->asnLength = 0;
850 void handlepoll_error(struct epoll_event &event,
851 ReportingMessages_t &message,
852 RmrMessagesBuffer_t &rmrMessageBuffer,
853 sctp_params_t *params) {
854 if (event.data.fd != params->rmrListenFd) {
855 auto *peerInfo = (ConnectedCU_t *)event.data.ptr;
856 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on fd %d, RAN NAME : %s",
857 event.events, peerInfo->fileDescriptor, peerInfo->enodbName);
859 rmrMessageBuffer.sendMessage->len = snprintf((char *)rmrMessageBuffer.sendMessage->payload, 256,
860 "%s|Failed SCTP Connection",
861 peerInfo->enodbName);
862 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
863 message.message.asnLength = rmrMessageBuffer.sendMessage->len;
865 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
866 message.message.direction = 'N';
867 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
868 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
871 close(peerInfo->fileDescriptor);
872 cleanHashEntry((ConnectedCU_t *) event.data.ptr, params->sctpMap);
874 mdclog_write(MDCLOG_ERR, "epoll error, events %0x on RMR FD", event.events);
882 int setSocketNoBlocking(int socket) {
883 auto flags = fcntl(socket, F_GETFL, 0);
886 mdclog_mdc_add("func", "fcntl");
887 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
892 flags = (unsigned) flags | (unsigned) O_NONBLOCK;
893 if (fcntl(socket, F_SETFL, flags) == -1) {
894 mdclog_mdc_add("func", "fcntl");
895 mdclog_write(MDCLOG_ERR, "%s, %s", __FUNCTION__, strerror(errno));
908 void cleanHashEntry(ConnectedCU_t *val, Sctp_Map_t *m) {
910 auto port = (uint16_t) strtol(val->portNumber, &dummy, 10);
911 char searchBuff[2048]{};
913 snprintf(searchBuff, sizeof searchBuff, "host:%s:%d", val->hostName, port);
914 m->erase(searchBuff);
916 m->erase(val->enodbName);
922 * @param fd file discriptor
923 * @param data the asn data to send
924 * @param len length of the data
925 * @param enodbName the enodbName as in the map for printing purpose
926 * @param m map host information
927 * @param mtype message number
928 * @return 0 success, anegative number on fail
930 int sendSctpMsg(ConnectedCU_t *peerInfo, ReportingMessages_t &message, Sctp_Map_t *m) {
931 auto loglevel = mdclog_level_get();
932 int fd = peerInfo->fileDescriptor;
933 if (loglevel >= MDCLOG_DEBUG) {
934 mdclog_write(MDCLOG_DEBUG, "Send SCTP message for CU %s, %s",
935 message.message.enodbName, __FUNCTION__);
939 if (send(fd,message.message.asndata, message.message.asnLength,MSG_NOSIGNAL) < 0) {
940 if (errno == EINTR) {
943 mdclog_write(MDCLOG_ERR, "error writing to CU a message, %s ", strerror(errno));
944 if (!peerInfo->isConnected) {
945 mdclog_write(MDCLOG_ERR, "connection to CU %s is still in progress.", message.message.enodbName);
948 cleanHashEntry(peerInfo, m);
950 char key[MAX_ENODB_NAME_SIZE * 2];
951 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", message.message.enodbName,
952 message.message.messageType);
953 if (loglevel >= MDCLOG_DEBUG) {
954 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
956 auto tmp = m->find(key);
963 peerInfo->sentMesgs++;
964 message.message.direction = 'D';
965 // send report.buffer of size
966 buildJsonMessage(message);
968 if (loglevel >= MDCLOG_DEBUG) {
969 mdclog_write(MDCLOG_DEBUG,
970 "SCTP message for CU %s sent from %s",
971 message.message.enodbName,
981 * @param rmrMessageBuffer
983 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer) {
984 rmr_get_meid(rmrMessageBuffer.rcvMessage, (unsigned char *) (message.message.enodbName));
986 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
987 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
989 if (mdclog_level_get() >= MDCLOG_DEBUG) {
990 mdclog_write(MDCLOG_DEBUG, "Message from Xapp RAN name = %s message length = %ld",
991 message.message.enodbName, (unsigned long) message.message.asnLength);
1001 * @param numOfMessages
1002 * @param rmrMessageBuffer
1006 int receiveDataFromSctp(struct epoll_event *events,
1007 Sctp_Map_t *sctpMap,
1009 RmrMessagesBuffer_t &rmrMessageBuffer,
1010 struct timespec &ts) {
1011 /* We have data on the fd waiting to be read. Read and display it.
1012 * We must read whatever data is available completely, as we are running
1013 * in edge-triggered mode and won't get a notification again for the same data. */
1014 ReportingMessages_t message {};
1016 auto loglevel = mdclog_level_get();
1018 // get the identity of the interface
1019 message.peerInfo = (ConnectedCU_t *)events->data.ptr;
1022 struct timespec start{0, 0};
1023 struct timespec decodestart{0, 0};
1024 struct timespec end{0, 0};
1026 E2AP_PDU_t *pdu = nullptr;
1030 if (loglevel >= MDCLOG_DEBUG) {
1031 mdclog_write(MDCLOG_DEBUG, "Start Read from SCTP %d fd", message.peerInfo->fileDescriptor);
1032 clock_gettime(CLOCK_MONOTONIC, &start);
1034 // read the buffer directly to rmr payload
1035 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1036 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1037 read(message.peerInfo->fileDescriptor, rmrMessageBuffer.sendMessage->payload, RECEIVE_SCTP_BUFFER_SIZE);
1039 if (loglevel >= MDCLOG_DEBUG) {
1040 mdclog_write(MDCLOG_DEBUG, "Finish Read from SCTP %d fd message length = %ld",
1041 message.peerInfo->fileDescriptor, message.message.asnLength);
1043 message.peerInfo->rcvMsgs++;
1044 memcpy(message.message.enodbName, message.peerInfo->enodbName, sizeof(message.peerInfo->enodbName));
1045 message.message.direction = 'U';
1046 message.message.time.tv_nsec = ts.tv_nsec;
1047 message.message.time.tv_sec = ts.tv_sec;
1049 if (message.message.asnLength < 0) {
1050 if (errno == EINTR) {
1053 /* If errno == EAGAIN, that means we have read all
1054 data. So goReportingMessages_t back to the main loop. */
1055 if (errno != EAGAIN) {
1056 mdclog_write(MDCLOG_ERR, "Read error, %s ", strerror(errno));
1058 } else if (loglevel >= MDCLOG_DEBUG) {
1059 mdclog_write(MDCLOG_DEBUG, "EAGAIN - descriptor = %d", message.peerInfo->fileDescriptor);
1062 } else if (message.message.asnLength == 0) {
1063 /* End of file. The remote has closed the connection. */
1064 if (loglevel >= MDCLOG_INFO) {
1065 mdclog_write(MDCLOG_INFO, "END of File Closed connection - descriptor = %d",
1066 message.peerInfo->fileDescriptor);
1072 asn_dec_rval_t rval;
1073 if (loglevel >= MDCLOG_DEBUG) {
1074 char printBuffer[4096]{};
1075 char *tmp = printBuffer;
1076 for (size_t i = 0; i < (size_t)message.message.asnLength; ++i) {
1077 snprintf(tmp, 3, "%02x", message.message.asndata[i]);
1080 printBuffer[message.message.asnLength] = 0;
1081 clock_gettime(CLOCK_MONOTONIC, &end);
1082 mdclog_write(MDCLOG_DEBUG, "Before Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1083 message.peerInfo->enodbName, end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1084 mdclog_write(MDCLOG_DEBUG, "PDU buffer length = %ld, data = : %s", message.message.asnLength,
1086 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1089 rval = asn_decode(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void **) &pdu,
1090 message.message.asndata, message.message.asnLength);
1091 if (rval.code != RC_OK) {
1092 mdclog_write(MDCLOG_ERR, "Error %d Decoding (unpack) E2AP PDU from RAN : %s", rval.code,
1093 message.peerInfo->enodbName);
1097 if (loglevel >= MDCLOG_DEBUG) {
1098 clock_gettime(CLOCK_MONOTONIC, &end);
1099 mdclog_write(MDCLOG_DEBUG, "After Encoding E2AP PDU for : %s, Read time is : %ld seconds, %ld nanoseconds",
1100 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1103 FILE *stream = open_memstream(&printBuffer, &size);
1104 asn_fprint(stream, &asn_DEF_E2AP_PDU, pdu);
1105 mdclog_write(MDCLOG_DEBUG, "Encoding E2AP PDU past : %s", printBuffer);
1106 clock_gettime(CLOCK_MONOTONIC, &decodestart);
1109 switch (pdu->present) {
1110 case E2AP_PDU_PR_initiatingMessage: {//initiating message
1111 asnInitiatingRequest(pdu, message, rmrMessageBuffer);
1114 case E2AP_PDU_PR_successfulOutcome: { //successful outcome
1115 asnSuccsesfulMsg(pdu, message, rmrMessageBuffer);
1118 case E2AP_PDU_PR_unsuccessfulOutcome: { //Unsuccessful Outcome
1119 asnUnSuccsesfulMsg(pdu, message, rmrMessageBuffer);
1123 mdclog_write(MDCLOG_ERR, "Unknown index %d in E2AP PDU", pdu->present);
1126 if (loglevel >= MDCLOG_DEBUG) {
1127 clock_gettime(CLOCK_MONOTONIC, &end);
1128 mdclog_write(MDCLOG_DEBUG,
1129 "After processing message and sent to rmr for : %s, Read time is : %ld seconds, %ld nanoseconds",
1130 message.peerInfo->enodbName, end.tv_sec - decodestart.tv_sec, end.tv_nsec - decodestart.tv_nsec);
1133 // remove the break for EAGAIN
1135 if (pdu != nullptr) {
1136 //TODO need to test ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu); to get better performance
1137 //ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu);
1138 ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1141 //clock_gettime(CLOCK_MONOTONIC, &start);
1143 // in case of break to avoid memory leak
1144 if (pdu != nullptr) {
1145 ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, pdu);
1150 if (loglevel >= MDCLOG_INFO) {
1151 mdclog_write(MDCLOG_INFO, "Closed connection - descriptor = %d", message.peerInfo->fileDescriptor);
1153 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1154 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
1156 "%s|CU disconnected unexpectedly",
1157 message.peerInfo->enodbName);
1158 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1160 if (sendRequestToXapp(message,
1161 RIC_SCTP_CONNECTION_FAILURE,
1162 rmrMessageBuffer) != 0) {
1163 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
1166 /* Closing descriptor make epoll remove it from the set of descriptors which are monitored. */
1167 close(message.peerInfo->fileDescriptor);
1168 cleanHashEntry((ConnectedCU_t *) events->data.ptr, sctpMap);
1170 if (loglevel >= MDCLOG_DEBUG) {
1171 clock_gettime(CLOCK_MONOTONIC, &end);
1172 mdclog_write(MDCLOG_DEBUG, "from receive SCTP to send RMR time is %ld seconds and %ld nanoseconds",
1173 end.tv_sec - start.tv_sec, end.tv_nsec - start.tv_nsec);
1179 static void buildAndsendSetupRequest(ReportingMessages_t &message,
1180 E2setupRequestIEs_t *ie,
1181 RmrMessagesBuffer_t &rmrMessageBuffer,
1183 auto logLevel = mdclog_level_get();
1186 if (buildRanName(message.peerInfo->enodbName, ie) < 0) {
1187 mdclog_write(MDCLOG_ERR, "Bad param in E2setupRequestIEs GlobalE2node_ID.\n");
1189 memcpy(message.message.enodbName, message.peerInfo->enodbName, strlen(message.peerInfo->enodbName));
1191 // now we can send the data to e2Mgr
1192 auto buffer_size = RECEIVE_SCTP_BUFFER_SIZE;
1194 auto *rmrMsg = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, buffer_size);
1195 // add addrees to message
1196 auto j = snprintf((char *)rmrMsg->payload, 256, "%s:%d|", message.peerInfo->sctpParams->myIP.c_str(), message.peerInfo->sctpParams->rmrPort);
1199 unsigned char *buffer = &rmrMsg->payload[j];
1202 er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu, buffer, buffer_size - j);
1203 if (er.encoded == -1) {
1204 mdclog_write(MDCLOG_ERR, "encoding of %s failed, %s", asn_DEF_E2AP_PDU.name, strerror(errno));
1205 } else if (er.encoded > (ssize_t) buffer_size) {
1206 mdclog_write(MDCLOG_ERR, "Buffer of size %d is to small for %s",
1208 asn_DEF_E2AP_PDU.name);
1210 if (logLevel >= MDCLOG_DEBUG) {
1211 mdclog_write(MDCLOG_DEBUG, "Buffer of size %d, data = %s", (int) er.encoded, buffer);
1214 message.message.messageType = rmrMsg->mtype = RIC_E2_SETUP_REQ;
1216 rmr_bytes2meid(rmrMsg, (unsigned char *) message.message.enodbName, strlen(message.message.enodbName));
1218 static unsigned char tx[32];
1219 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1220 rmr_bytes2xact(rmrMsg, tx, strlen((const char *) tx));
1222 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1223 if (rmrMsg == nullptr) {
1224 mdclog_write(MDCLOG_ERR, "RMR failed to send returned nullptr");
1225 } else if (rmrMsg->state != 0) {
1226 char meid[RMR_MAX_MEID]{};
1227 if (rmrMsg->state == RMR_ERR_RETRY) {
1230 mdclog_write(MDCLOG_INFO, "RETRY sending Message %d to Xapp from %s",
1231 rmrMsg->mtype, rmr_get_meid(rmrMsg, (unsigned char *) meid));
1232 rmrMsg = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMsg);
1233 if (rmrMsg == nullptr) {
1234 mdclog_write(MDCLOG_ERR, "RMR failed send returned nullptr");
1235 } else if (rmrMsg->state != 0) {
1236 mdclog_write(MDCLOG_ERR,
1237 "RMR Retry failed %s sending request %d to Xapp from %s",
1238 translateRmrErrorMessages(rmrMsg->state).c_str(),
1240 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1243 mdclog_write(MDCLOG_ERR, "RMR failed: %s. sending request %d to Xapp from %s",
1244 translateRmrErrorMessages(rmrMsg->state).c_str(),
1246 rmr_get_meid(rmrMsg, (unsigned char *) meid));
1249 message.peerInfo->gotSetup = true;
1250 buildJsonMessage(message);
1258 * @param rmrMessageBuffer
1260 void asnInitiatingRequest(E2AP_PDU_t *pdu,
1261 ReportingMessages_t &message,
1262 RmrMessagesBuffer_t &rmrMessageBuffer) {
1263 auto logLevel = mdclog_level_get();
1264 auto procedureCode = ((InitiatingMessage_t *) pdu->choice.initiatingMessage)->procedureCode;
1265 if (logLevel >= MDCLOG_DEBUG) {
1266 mdclog_write(MDCLOG_DEBUG, "Initiating message %ld\n", procedureCode);
1268 switch (procedureCode) {
1269 case ProcedureCode_id_E2setup: {
1270 if (logLevel >= MDCLOG_DEBUG) {
1271 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1274 memset(message.peerInfo->enodbName, 0 , MAX_ENODB_NAME_SIZE);
1275 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.count; i++) {
1276 auto *ie = pdu->choice.initiatingMessage->value.choice.E2setupRequest.protocolIEs.list.array[i];
1277 if (ie->id == ProtocolIE_ID_id_GlobalE2node_ID) {
1278 if (ie->value.present == E2setupRequestIEs__value_PR_GlobalE2node_ID) {
1279 buildAndsendSetupRequest(message, ie, rmrMessageBuffer, pdu);
1286 case ProcedureCode_id_ErrorIndication: {
1287 if (logLevel >= MDCLOG_DEBUG) {
1288 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1290 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1291 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1295 case ProcedureCode_id_Reset: {
1296 if (logLevel >= MDCLOG_DEBUG) {
1297 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1299 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1300 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1304 case ProcedureCode_id_RICcontrol: {
1305 if (logLevel >= MDCLOG_DEBUG) {
1306 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1310 case ProcedureCode_id_RICindication: {
1311 if (logLevel >= MDCLOG_DEBUG) {
1312 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1314 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1315 auto messageSent = false;
1316 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1317 if (logLevel >= MDCLOG_DEBUG) {
1318 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1320 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1321 if (logLevel >= MDCLOG_DEBUG) {
1322 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1324 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1325 static unsigned char tx[32];
1326 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1327 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1328 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1329 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1330 (unsigned char *)message.message.enodbName,
1331 strlen(message.message.enodbName));
1332 rmrMessageBuffer.sendMessage->state = 0;
1333 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1334 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1335 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1336 rmrMessageBuffer.sendMessage->sub_id,
1337 rmrMessageBuffer.sendMessage->mtype);
1339 sendRmrMessage(rmrMessageBuffer, message);
1342 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1351 case ProcedureCode_id_RICserviceQuery: {
1352 if (logLevel >= MDCLOG_DEBUG) {
1353 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1357 case ProcedureCode_id_RICserviceUpdate: {
1358 if (logLevel >= MDCLOG_DEBUG) {
1359 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1361 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1362 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1366 case ProcedureCode_id_RICsubscription: {
1367 if (logLevel >= MDCLOG_DEBUG) {
1368 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1372 case ProcedureCode_id_RICsubscriptionDelete: {
1373 if (logLevel >= MDCLOG_DEBUG) {
1374 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1379 mdclog_write(MDCLOG_ERR, "Undefined or not supported message = %ld", procedureCode);
1380 message.message.messageType = 0; // no RMR message type yet
1382 buildJsonMessage(message);
1393 * @param rmrMessageBuffer
1395 void asnSuccsesfulMsg(E2AP_PDU_t *pdu, ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer) {
1396 auto procedureCode = pdu->choice.successfulOutcome->procedureCode;
1397 auto logLevel = mdclog_level_get();
1398 if (logLevel >= MDCLOG_INFO) {
1399 mdclog_write(MDCLOG_INFO, "Successful Outcome %ld", procedureCode);
1401 switch (procedureCode) {
1402 case ProcedureCode_id_E2setup: {
1403 if (logLevel >= MDCLOG_DEBUG) {
1404 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1408 case ProcedureCode_id_ErrorIndication: {
1409 if (logLevel >= MDCLOG_DEBUG) {
1410 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1412 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1413 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1417 case ProcedureCode_id_Reset: {
1418 if (logLevel >= MDCLOG_DEBUG) {
1419 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1421 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1422 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1426 case ProcedureCode_id_RICcontrol: {
1427 if (logLevel >= MDCLOG_DEBUG) {
1428 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1431 i < pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.count; i++) {
1432 auto messageSent = false;
1433 RICcontrolAcknowledge_IEs_t *ie = pdu->choice.successfulOutcome->value.choice.RICcontrolAcknowledge.protocolIEs.list.array[i];
1434 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1435 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1437 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1438 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1439 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1441 if (ie->value.present == RICcontrolAcknowledge_IEs__value_PR_RICrequestID) {
1442 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_ACK;
1443 rmrMessageBuffer.sendMessage->state = 0;
1444 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1445 static unsigned char tx[32];
1446 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1447 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1448 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1449 (unsigned char *)message.message.enodbName,
1450 strlen(message.message.enodbName));
1452 sendRmrMessage(rmrMessageBuffer, message);
1455 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1465 case ProcedureCode_id_RICindication: {
1466 if (logLevel >= MDCLOG_DEBUG) {
1467 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1469 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1470 auto messageSent = false;
1471 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1472 if (logLevel >= MDCLOG_DEBUG) {
1473 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1475 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1476 if (logLevel >= MDCLOG_DEBUG) {
1477 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1479 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1480 static unsigned char tx[32];
1481 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1482 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1483 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1484 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1485 (unsigned char *)message.message.enodbName,
1486 strlen(message.message.enodbName));
1487 rmrMessageBuffer.sendMessage->state = 0;
1488 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1489 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1490 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1491 rmrMessageBuffer.sendMessage->sub_id,
1492 rmrMessageBuffer.sendMessage->mtype);
1494 sendRmrMessage(rmrMessageBuffer, message);
1497 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1506 case ProcedureCode_id_RICserviceQuery: {
1507 if (logLevel >= MDCLOG_DEBUG) {
1508 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1512 case ProcedureCode_id_RICserviceUpdate: {
1513 if (logLevel >= MDCLOG_DEBUG) {
1514 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1516 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1517 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1521 case ProcedureCode_id_RICsubscription: {
1522 if (logLevel >= MDCLOG_DEBUG) {
1523 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1525 if (sendRequestToXapp(message, RIC_SUB_RESP, rmrMessageBuffer) != 0) {
1526 mdclog_write(MDCLOG_ERR, "Subscription successful message failed to send to xAPP");
1530 case ProcedureCode_id_RICsubscriptionDelete: {
1531 if (logLevel >= MDCLOG_DEBUG) {
1532 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1534 if (sendRequestToXapp(message, RIC_SUB_DEL_RESP, rmrMessageBuffer) != 0) {
1535 mdclog_write(MDCLOG_ERR, "Subscription delete successful message failed to send to xAPP");
1540 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1541 message.message.messageType = 0; // no RMR message type yet
1542 buildJsonMessage(message);
1553 * @param rmrMessageBuffer
1555 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
1556 ReportingMessages_t &message,
1557 RmrMessagesBuffer_t &rmrMessageBuffer) {
1558 auto procedureCode = pdu->choice.unsuccessfulOutcome->procedureCode;
1559 auto logLevel = mdclog_level_get();
1560 if (logLevel >= MDCLOG_INFO) {
1561 mdclog_write(MDCLOG_INFO, "Unsuccessful Outcome %ld", procedureCode);
1563 switch (procedureCode) {
1564 case ProcedureCode_id_E2setup: {
1565 if (logLevel >= MDCLOG_DEBUG) {
1566 mdclog_write(MDCLOG_DEBUG, "Got E2setup\n");
1570 case ProcedureCode_id_ErrorIndication: {
1571 if (logLevel >= MDCLOG_DEBUG) {
1572 mdclog_write(MDCLOG_DEBUG, "Got ErrorIndication %s", message.message.enodbName);
1574 if (sendRequestToXapp(message, RIC_ERROR_INDICATION, rmrMessageBuffer) != 0) {
1575 mdclog_write(MDCLOG_ERR, "RIC_ERROR_INDICATION failed to send to xAPP");
1579 case ProcedureCode_id_Reset: {
1580 if (logLevel >= MDCLOG_DEBUG) {
1581 mdclog_write(MDCLOG_DEBUG, "Got Reset %s", message.message.enodbName);
1583 if (sendRequestToXapp(message, RIC_X2_RESET, rmrMessageBuffer) != 0) {
1584 mdclog_write(MDCLOG_ERR, "RIC_X2_RESET message failed to send to xAPP");
1588 case ProcedureCode_id_RICcontrol: {
1589 if (logLevel >= MDCLOG_DEBUG) {
1590 mdclog_write(MDCLOG_DEBUG, "Got RICcontrol %s", message.message.enodbName);
1593 i < pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.count; i++) {
1594 auto messageSent = false;
1595 RICcontrolFailure_IEs_t *ie = pdu->choice.unsuccessfulOutcome->value.choice.RICcontrolFailure.protocolIEs.list.array[i];
1596 if (logLevel >= MDCLOG_DEBUG) {
1597 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1599 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1600 if (logLevel >= MDCLOG_DEBUG) {
1601 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1603 if (ie->value.present == RICcontrolFailure_IEs__value_PR_RICrequestID) {
1604 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_CONTROL_FAILURE;
1605 rmrMessageBuffer.sendMessage->state = 0;
1606 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1607 static unsigned char tx[32];
1608 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1609 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1610 rmr_bytes2meid(rmrMessageBuffer.sendMessage, (unsigned char *) message.message.enodbName,
1611 strlen(message.message.enodbName));
1612 sendRmrMessage(rmrMessageBuffer, message);
1615 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1624 case ProcedureCode_id_RICindication: {
1625 if (logLevel >= MDCLOG_DEBUG) {
1626 mdclog_write(MDCLOG_DEBUG, "Got RICindication %s", message.message.enodbName);
1628 for (auto i = 0; i < pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.count; i++) {
1629 auto messageSent = false;
1630 RICindication_IEs_t *ie = pdu->choice.initiatingMessage->value.choice.RICindication.protocolIEs.list.array[i];
1631 if (logLevel >= MDCLOG_DEBUG) {
1632 mdclog_write(MDCLOG_DEBUG, "ie type (ProtocolIE_ID) = %ld", ie->id);
1634 if (ie->id == ProtocolIE_ID_id_RICrequestID) {
1635 if (logLevel >= MDCLOG_DEBUG) {
1636 mdclog_write(MDCLOG_DEBUG, "Got RIC requestId entry, ie type (ProtocolIE_ID) = %ld", ie->id);
1638 if (ie->value.present == RICindication_IEs__value_PR_RICrequestID) {
1639 static unsigned char tx[32];
1640 message.message.messageType = rmrMessageBuffer.sendMessage->mtype = RIC_INDICATION;
1641 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1642 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, strlen((const char *) tx));
1643 rmr_bytes2meid(rmrMessageBuffer.sendMessage,
1644 (unsigned char *)message.message.enodbName,
1645 strlen(message.message.enodbName));
1646 rmrMessageBuffer.sendMessage->state = 0;
1647 rmrMessageBuffer.sendMessage->sub_id = (int) ie->value.choice.RICrequestID.ricRequestorID;
1648 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1649 mdclog_write(MDCLOG_DEBUG, "RIC sub id = %d, message type = %d",
1650 rmrMessageBuffer.sendMessage->sub_id,
1651 rmrMessageBuffer.sendMessage->mtype);
1653 sendRmrMessage(rmrMessageBuffer, message);
1656 mdclog_write(MDCLOG_ERR, "RIC request id missing illigal request");
1665 case ProcedureCode_id_RICserviceQuery: {
1666 if (logLevel >= MDCLOG_DEBUG) {
1667 mdclog_write(MDCLOG_DEBUG, "Got RICserviceQuery %s", message.message.enodbName);
1671 case ProcedureCode_id_RICserviceUpdate: {
1672 if (logLevel >= MDCLOG_DEBUG) {
1673 mdclog_write(MDCLOG_DEBUG, "Got RICserviceUpdate %s", message.message.enodbName);
1675 if (sendRequestToXapp(message, RIC_SERVICE_UPDATE, rmrMessageBuffer) != 0) {
1676 mdclog_write(MDCLOG_ERR, "RIC_SERVICE_UPDATE message failed to send to xAPP");
1680 case ProcedureCode_id_RICsubscription: {
1681 if (logLevel >= MDCLOG_DEBUG) {
1682 mdclog_write(MDCLOG_DEBUG, "Got RICsubscription %s", message.message.enodbName);
1684 if (sendRequestToXapp(message, RIC_SUB_FAILURE, rmrMessageBuffer) != 0) {
1685 mdclog_write(MDCLOG_ERR, "Subscription unsuccessful message failed to send to xAPP");
1689 case ProcedureCode_id_RICsubscriptionDelete: {
1690 if (logLevel >= MDCLOG_DEBUG) {
1691 mdclog_write(MDCLOG_DEBUG, "Got RICsubscriptionDelete %s", message.message.enodbName);
1693 if (sendRequestToXapp(message, RIC_SUB_DEL_FAILURE, rmrMessageBuffer) != 0) {
1694 mdclog_write(MDCLOG_ERR, "Subscription Delete unsuccessful message failed to send to xAPP");
1699 mdclog_write(MDCLOG_WARN, "Undefined or not supported message = %ld", procedureCode);
1700 message.message.messageType = 0; // no RMR message type yet
1702 buildJsonMessage(message);
1713 * @param rmrMmessageBuffer
1716 int sendRequestToXapp(ReportingMessages_t &message,
1718 RmrMessagesBuffer_t &rmrMmessageBuffer) {
1719 rmr_bytes2meid(rmrMmessageBuffer.sendMessage,
1720 (unsigned char *)message.message.enodbName,
1721 strlen(message.message.enodbName));
1722 message.message.messageType = rmrMmessageBuffer.sendMessage->mtype = requestId;
1723 rmrMmessageBuffer.sendMessage->state = 0;
1724 static unsigned char tx[32];
1725 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1726 rmr_bytes2xact(rmrMmessageBuffer.sendMessage, tx, strlen((const char *) tx));
1728 auto rc = sendRmrMessage(rmrMmessageBuffer, message);
1733 void getRmrContext(sctp_params_t &pSctpParams) {
1734 pSctpParams.rmrCtx = nullptr;
1735 pSctpParams.rmrCtx = rmr_init(pSctpParams.rmrAddress, RMR_MAX_RCV_BYTES, RMRFL_NONE);
1736 if (pSctpParams.rmrCtx == nullptr) {
1737 mdclog_write(MDCLOG_ERR, "Failed to initialize RMR");
1741 rmr_set_stimeout(pSctpParams.rmrCtx, 0); // disable retries for any send operation
1742 // we need to find that routing table exist and we can run
1743 if (mdclog_level_get() >= MDCLOG_INFO) {
1744 mdclog_write(MDCLOG_INFO, "We are after RMR INIT wait for RMR_Ready");
1749 if ((rmrReady = rmr_ready(pSctpParams.rmrCtx)) == 0) {
1753 if (count % 60 == 0) {
1754 mdclog_write(MDCLOG_INFO, "waiting to RMR ready state for %d seconds", count);
1757 if (mdclog_level_get() >= MDCLOG_INFO) {
1758 mdclog_write(MDCLOG_INFO, "RMR running");
1760 rmr_init_trace(pSctpParams.rmrCtx, 200);
1761 // get the RMR fd for the epoll
1762 pSctpParams.rmrListenFd = rmr_get_rcvfd(pSctpParams.rmrCtx);
1763 struct epoll_event event{};
1764 // add RMR fd to epoll
1765 event.events = (EPOLLIN);
1766 event.data.fd = pSctpParams.rmrListenFd;
1767 // add listening RMR FD to epoll
1768 if (epoll_ctl(pSctpParams.epoll_fd, EPOLL_CTL_ADD, pSctpParams.rmrListenFd, &event)) {
1769 mdclog_write(MDCLOG_ERR, "Failed to add RMR descriptor to epoll");
1770 close(pSctpParams.rmrListenFd);
1771 rmr_close(pSctpParams.rmrCtx);
1772 pSctpParams.rmrCtx = nullptr;
1780 * @param rmrMessageBuffer
1784 int receiveXappMessages(int epoll_fd,
1785 Sctp_Map_t *sctpMap,
1786 RmrMessagesBuffer_t &rmrMessageBuffer,
1787 struct timespec &ts) {
1788 if (rmrMessageBuffer.rcvMessage == nullptr) {
1790 mdclog_write(MDCLOG_ERR, "RMR Allocation message, %s", strerror(errno));
1794 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1795 mdclog_write(MDCLOG_DEBUG, "Call to rmr_rcv_msg");
1797 rmrMessageBuffer.rcvMessage = rmr_rcv_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.rcvMessage);
1798 if (rmrMessageBuffer.rcvMessage == nullptr) {
1799 mdclog_write(MDCLOG_ERR, "RMR Receving message with null pointer, Realloc rmr mesage buffer");
1800 rmrMessageBuffer.rcvMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
1803 ReportingMessages_t message;
1804 message.message.direction = 'D';
1805 message.message.time.tv_nsec = ts.tv_nsec;
1806 message.message.time.tv_sec = ts.tv_sec;
1808 // get message payload
1809 //auto msgData = msg->payload;
1810 if (rmrMessageBuffer.rcvMessage->state != 0) {
1811 mdclog_write(MDCLOG_ERR, "RMR Receving message with stat = %d", rmrMessageBuffer.rcvMessage->state);
1814 switch (rmrMessageBuffer.rcvMessage->mtype) {
1815 case RIC_E2_SETUP_RESP : {
1816 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1817 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_RESP");
1822 case RIC_E2_SETUP_FAILURE : {
1823 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1824 mdclog_write(MDCLOG_ERR, "Failed to send RIC_E2_SETUP_FAILURE");
1829 case RIC_ERROR_INDICATION: {
1830 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1831 mdclog_write(MDCLOG_ERR, "Failed to send RIC_ERROR_INDICATION");
1837 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1838 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_REQ");
1843 case RIC_SUB_DEL_REQ: {
1844 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1845 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SUB_DEL_REQ");
1850 case RIC_CONTROL_REQ: {
1851 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1852 mdclog_write(MDCLOG_ERR, "Failed to send RIC_CONTROL_REQ");
1857 case RIC_SERVICE_QUERY: {
1858 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1859 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_QUERY");
1864 case RIC_SERVICE_UPDATE_ACK: {
1865 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1866 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_ACK");
1871 case RIC_SERVICE_UPDATE_FAILURE: {
1872 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1873 mdclog_write(MDCLOG_ERR, "Failed to send RIC_SERVICE_UPDATE_FAILURE");
1878 case RIC_X2_RESET: {
1879 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1880 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET");
1885 case RIC_X2_RESET_RESP: {
1886 if (sendDirectionalSctpMsg(rmrMessageBuffer, message, 0, sctpMap) != 0) {
1887 mdclog_write(MDCLOG_ERR, "Failed to send RIC_X2_RESET_RESP");
1892 case RIC_SCTP_CLEAR_ALL: {
1893 mdclog_write(MDCLOG_INFO, "RIC_SCTP_CLEAR_ALL");
1894 // loop on all keys and close socket and then erase all map.
1896 sctpMap->getKeys(v);
1897 for (auto const &iter : v) { //}; iter != sctpMap.end(); iter++) {
1898 if (!boost::starts_with((string) (iter), "host:") && !boost::starts_with((string) (iter), "msg:")) {
1899 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(iter);
1900 if (peerInfo == nullptr) {
1903 close(peerInfo->fileDescriptor);
1904 memcpy(message.message.enodbName, peerInfo->enodbName, sizeof(peerInfo->enodbName));
1905 message.message.direction = 'D';
1906 message.message.time.tv_nsec = ts.tv_nsec;
1907 message.message.time.tv_sec = ts.tv_sec;
1909 message.message.asnLength = rmrMessageBuffer.sendMessage->len =
1910 snprintf((char *)rmrMessageBuffer.sendMessage->payload,
1912 "%s|RIC_SCTP_CLEAR_ALL",
1913 peerInfo->enodbName);
1914 message.message.asndata = rmrMessageBuffer.sendMessage->payload;
1915 mdclog_write(MDCLOG_INFO, "%s", message.message.asndata);
1916 if (sendRequestToXapp(message, RIC_SCTP_CONNECTION_FAILURE, rmrMessageBuffer) != 0) {
1917 mdclog_write(MDCLOG_ERR, "SCTP_CONNECTION_FAIL message failed to send to xAPP");
1927 case E2_TERM_KEEP_ALIVE_REQ: {
1928 // send message back
1929 rmr_bytes2payload(rmrMessageBuffer.sendMessage,
1930 (unsigned char *)rmrMessageBuffer.ka_message,
1931 rmrMessageBuffer.ka_message_len);
1932 rmrMessageBuffer.sendMessage->mtype = E2_TERM_KEEP_ALIVE_RESP;
1933 rmrMessageBuffer.sendMessage->state = 0;
1934 static unsigned char tx[32];
1935 auto txLen = snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
1936 rmr_bytes2xact(rmrMessageBuffer.sendMessage, tx, txLen);
1937 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
1938 if (rmrMessageBuffer.sendMessage == nullptr) {
1939 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
1940 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP RMR message returned NULL");
1941 } else if (rmrMessageBuffer.sendMessage->state != 0) {
1942 mdclog_write(MDCLOG_ERR, "Failed to send E2_TERM_KEEP_ALIVE_RESP, on RMR state = %d ( %s)",
1943 rmrMessageBuffer.sendMessage->state, translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str());
1944 } else if (mdclog_level_get() >= MDCLOG_INFO) {
1945 mdclog_write(MDCLOG_INFO, "Got Keep Alive Request send : %s", rmrMessageBuffer.ka_message);
1951 mdclog_write(MDCLOG_WARN, "Message Type : %d is not seported", rmrMessageBuffer.rcvMessage->mtype);
1952 message.message.asndata = rmrMessageBuffer.rcvMessage->payload;
1953 message.message.asnLength = rmrMessageBuffer.rcvMessage->len;
1954 message.message.time.tv_nsec = ts.tv_nsec;
1955 message.message.time.tv_sec = ts.tv_sec;
1956 message.message.messageType = rmrMessageBuffer.rcvMessage->mtype;
1958 buildJsonMessage(message);
1963 if (mdclog_level_get() >= MDCLOG_DEBUG) {
1964 mdclog_write(MDCLOG_DEBUG, "EXIT OK from %s", __FUNCTION__);
1970 * Send message to the CU that is not expecting for successful or unsuccessful results
1971 * @param messageBuffer
1973 * @param failedMsgId
1977 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messageBuffer,
1978 ReportingMessages_t &message,
1980 Sctp_Map_t *sctpMap) {
1982 getRequestMetaData(message, messageBuffer);
1983 if (mdclog_level_get() >= MDCLOG_INFO) {
1984 mdclog_write(MDCLOG_INFO, "send message to %s address", message.message.enodbName);
1987 auto rc = sendMessagetoCu(sctpMap, messageBuffer, message, failedMsgId);
1994 * @param messageBuffer
1996 * @param failedMesgId
1999 int sendMessagetoCu(Sctp_Map_t *sctpMap,
2000 RmrMessagesBuffer_t &messageBuffer,
2001 ReportingMessages_t &message,
2003 auto *peerInfo = (ConnectedCU_t *) sctpMap->find(message.message.enodbName);
2004 if (peerInfo == nullptr) {
2005 if (failedMesgId != 0) {
2006 sendFailedSendingMessagetoXapp(messageBuffer, message, failedMesgId);
2008 mdclog_write(MDCLOG_ERR, "Failed to send message no CU entry %s", message.message.enodbName);
2014 message.message.messageType = messageBuffer.rcvMessage->mtype;
2015 auto rc = sendSctpMsg(peerInfo, message, sctpMap);
2021 * @param rmrCtx the rmr context to send and receive
2022 * @param msg the msg we got fromxApp
2023 * @param metaData data from xApp in ordered struct
2024 * @param failedMesgId the return message type error
2027 sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message, int failedMesgId) {
2028 rmr_mbuf_t *msg = rmrMessageBuffer.sendMessage;
2029 msg->len = snprintf((char *) msg->payload, 200, "the gNb/eNode name %s not found",
2030 message.message.enodbName);
2031 if (mdclog_level_get() >= MDCLOG_INFO) {
2032 mdclog_write(MDCLOG_INFO, "%s", msg->payload);
2034 msg->mtype = failedMesgId;
2037 static unsigned char tx[32];
2038 snprintf((char *) tx, sizeof tx, "%15ld", transactionCounter++);
2039 rmr_bytes2xact(msg, tx, strlen((const char *) tx));
2041 sendRmrMessage(rmrMessageBuffer, message);
2056 int addToEpoll(int epoll_fd,
2057 ConnectedCU_t *peerInfo,
2059 Sctp_Map_t *sctpMap,
2063 struct epoll_event event{};
2064 event.data.ptr = peerInfo;
2065 event.events = events;
2066 if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, peerInfo->fileDescriptor, &event) < 0) {
2067 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2068 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here), %s, %s %d",
2069 strerror(errno), __func__, __LINE__);
2071 close(peerInfo->fileDescriptor);
2072 if (enodbName != nullptr) {
2073 cleanHashEntry(peerInfo, sctpMap);
2074 char key[MAX_ENODB_NAME_SIZE * 2];
2075 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2076 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2077 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2079 auto tmp = sctpMap->find(key);
2082 sctpMap->erase(key);
2085 peerInfo->enodbName[0] = 0;
2087 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2103 int modifyToEpoll(int epoll_fd,
2104 ConnectedCU_t *peerInfo,
2106 Sctp_Map_t *sctpMap,
2110 struct epoll_event event{};
2111 event.data.ptr = peerInfo;
2112 event.events = events;
2113 if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, peerInfo->fileDescriptor, &event) < 0) {
2114 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2115 mdclog_write(MDCLOG_DEBUG, "epoll_ctl EPOLL_CTL_MOD (may chack not to quit here), %s, %s %d",
2116 strerror(errno), __func__, __LINE__);
2118 close(peerInfo->fileDescriptor);
2119 cleanHashEntry(peerInfo, sctpMap);
2120 char key[MAX_ENODB_NAME_SIZE * 2];
2121 snprintf(key, MAX_ENODB_NAME_SIZE * 2, "msg:%s|%d", enodbName, msgType);
2122 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2123 mdclog_write(MDCLOG_DEBUG, "remove key = %s from %s at line %d", key, __FUNCTION__, __LINE__);
2125 auto tmp = sctpMap->find(key);
2129 sctpMap->erase(key);
2130 mdclog_write(MDCLOG_ERR, "epoll_ctl EPOLL_CTL_ADD (may chack not to quit here)");
2137 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message) {
2138 buildJsonMessage(message);
2140 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2142 if (rmrMessageBuffer.sendMessage == nullptr) {
2143 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2144 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
2148 if (rmrMessageBuffer.sendMessage->state != 0) {
2149 char meid[RMR_MAX_MEID]{};
2150 if (rmrMessageBuffer.sendMessage->state == RMR_ERR_RETRY) {
2152 rmrMessageBuffer.sendMessage->state = 0;
2153 mdclog_write(MDCLOG_INFO, "RETRY sending Message type %d to Xapp from %s",
2154 rmrMessageBuffer.sendMessage->mtype,
2155 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2156 rmrMessageBuffer.sendMessage = rmr_send_msg(rmrMessageBuffer.rmrCtx, rmrMessageBuffer.sendMessage);
2157 if (rmrMessageBuffer.sendMessage == nullptr) {
2158 mdclog_write(MDCLOG_ERR, "RMR failed send message returned with NULL pointer");
2159 rmrMessageBuffer.sendMessage = rmr_alloc_msg(rmrMessageBuffer.rmrCtx, RECEIVE_XAPP_BUFFER_SIZE);
2161 } else if (rmrMessageBuffer.sendMessage->state != 0) {
2162 mdclog_write(MDCLOG_ERR,
2163 "Message state %s while sending request %d to Xapp from %s after retry of 10 microseconds",
2164 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
2165 rmrMessageBuffer.sendMessage->mtype,
2166 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2167 auto rc = rmrMessageBuffer.sendMessage->state;
2171 mdclog_write(MDCLOG_ERR, "Message state %s while sending request %d to Xapp from %s",
2172 translateRmrErrorMessages(rmrMessageBuffer.sendMessage->state).c_str(),
2173 rmrMessageBuffer.sendMessage->mtype,
2174 rmr_get_meid(rmrMessageBuffer.sendMessage, (unsigned char *)meid));
2175 return rmrMessageBuffer.sendMessage->state;
2181 void buildJsonMessage(ReportingMessages_t &message) {
2183 message.outLen = sizeof(message.base64Data);
2184 base64::encode((const unsigned char *) message.message.asndata,
2185 (const int) message.message.asnLength,
2188 if (mdclog_level_get() >= MDCLOG_DEBUG) {
2189 mdclog_write(MDCLOG_DEBUG, "asn data length = %d, base64 message length = %d ",
2190 (int) message.message.asnLength,
2191 (int) message.outLen);
2194 snprintf(message.buffer, sizeof(message.buffer),
2195 "{\"header\": {\"ts\": \"%ld.%09ld\","
2196 "\"ranName\": \"%s\","
2197 "\"messageType\": %d,"
2198 "\"direction\": \"%c\"},"
2199 "\"base64Length\": %d,"
2200 "\"asnBase64\": \"%s\"}",
2201 message.message.time.tv_sec,
2202 message.message.time.tv_nsec,
2203 message.message.enodbName,
2204 message.message.messageType,
2205 message.message.direction,
2206 (int) message.outLen,
2207 message.base64Data);
2208 static src::logger_mt &lg = my_logger::get();
2210 BOOST_LOG(lg) << message.buffer;
2216 * take RMR error code to string
2220 string translateRmrErrorMessages(int state) {
2224 str = "RMR_OK - state is good";
2226 case RMR_ERR_BADARG:
2227 str = "RMR_ERR_BADARG - argument passd to function was unusable";
2229 case RMR_ERR_NOENDPT:
2230 str = "RMR_ERR_NOENDPT - send//call could not find an endpoint based on msg type";
2233 str = "RMR_ERR_EMPTY - msg received had no payload; attempt to send an empty message";
2236 str = "RMR_ERR_NOHDR - message didn't contain a valid header";
2238 case RMR_ERR_SENDFAILED:
2239 str = "RMR_ERR_SENDFAILED - send failed; errno has nano reason";
2241 case RMR_ERR_CALLFAILED:
2242 str = "RMR_ERR_CALLFAILED - unable to send call() message";
2244 case RMR_ERR_NOWHOPEN:
2245 str = "RMR_ERR_NOWHOPEN - no wormholes are open";
2248 str = "RMR_ERR_WHID - wormhole id was invalid";
2250 case RMR_ERR_OVERFLOW:
2251 str = "RMR_ERR_OVERFLOW - operation would have busted through a buffer/field size";
2254 str = "RMR_ERR_RETRY - request (send/call/rts) failed, but caller should retry (EAGAIN for wrappers)";
2256 case RMR_ERR_RCVFAILED:
2257 str = "RMR_ERR_RCVFAILED - receive failed (hard error)";
2259 case RMR_ERR_TIMEOUT:
2260 str = "RMR_ERR_TIMEOUT - message processing call timed out";
2263 str = "RMR_ERR_UNSET - the message hasn't been populated with a transport buffer";
2266 str = "RMR_ERR_TRUNC - received message likely truncated";
2268 case RMR_ERR_INITFAILED:
2269 str = "RMR_ERR_INITFAILED - initialisation of something (probably message) failed";
2271 case RMR_ERR_NOTSUPP:
2272 str = "RMR_ERR_NOTSUPP - the request is not supported, or RMr was not initialised for the request";
2276 snprintf(buf, sizeof buf, "UNDOCUMENTED RMR_ERR : %d", state);