2 * Copyright 2019 AT&T Intellectual Property
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 * This source code is part of the near-RT RIC (RAN Intelligent Controller)
20 * platform project (RICP).
23 #ifndef X2_SCTP_THREAD_H
24 #define X2_SCTP_THREAD_H
33 #include <sys/socket.h>
34 #include <arpa/inet.h>
35 #include <netinet/in_systm.h>
36 #include <netinet/in.h>
37 #include <netinet/ip.h>
38 #include <netinet/ip_icmp.h>
39 #include <netinet/sctp.h>
42 #include <sys/param.h>
44 #include <sys/types.h>
48 #include <sys/epoll.h>
50 #include <shared_mutex>
53 #include <sys/inotify.h>
58 #include <rmr/RIC_message_types.h>
59 #include <mdclog/mdclog.h>
63 #include <boost/algorithm/string/predicate.hpp>
64 #include <boost/lexical_cast.hpp>
65 #include <boost/move/utility.hpp>
66 #include <boost/log/sources/logger.hpp>
67 #include <boost/log/sources/record_ostream.hpp>
68 #include <boost/log/sources/global_logger_storage.hpp>
69 #include <boost/log/utility/setup/file.hpp>
70 #include <boost/log/utility/setup/common_attributes.hpp>
71 #include <boost/filesystem.hpp>
73 #include <mdclog/mdclog.h>
75 #include "oranE2/E2AP-PDU.h"
76 #include "oranE2/ProtocolIE-Container.h"
77 #include "oranE2/InitiatingMessage.h"
78 #include "oranE2/SuccessfulOutcome.h"
79 #include "oranE2/UnsuccessfulOutcome.h"
80 #include "oranE2/ProtocolIE-Container.h"
81 #include "oranE2/ProtocolIE-Field.h"
82 #include "oranE2/GlobalE2node-gNB-ID.h"
83 #include "oranE2/GlobalE2node-en-gNB-ID.h"
84 #include "oranE2/GlobalE2node-ng-eNB-ID.h"
85 #include "oranE2/GlobalE2node-eNB-ID.h"
87 #include "cxxopts.hpp"
88 //#include "config-cpp/include/config-cpp/config-cpp.h"
90 #include <prometheus/counter.h>
91 #include <prometheus/exposer.h>
92 #include <prometheus/gateway.h>
93 #include <prometheus/registry.h>
95 using namespace prometheus;
97 #include "mapWrapper.h"
101 #include "ReadConfigFile.h"
104 namespace logging = boost::log;
105 namespace src = boost::log::sources;
106 namespace keywords = boost::log::keywords;
107 namespace sinks = boost::log::sinks;
108 namespace posix_time = boost::posix_time;
109 namespace expr = boost::log::expressions;
111 #define SRC_PORT 36422
112 #define SA struct sockaddr
113 #define MAX_ENODB_NAME_SIZE 64
115 #define MAXEVENTS 128
117 #define RECEIVE_SCTP_BUFFER_SIZE (256 * 1024)
118 #define RECEIVE_XAPP_BUFFER_SIZE RECEIVE_SCTP_BUFFER_SIZE
120 typedef mapWrapper Sctp_Map_t;
124 #define VOLUME_URL_SIZE 256
125 #define KA_MESSAGE_SIZE 2048
127 typedef struct sctp_params {
128 int epollTimeOut = -1;
129 uint16_t rmrPort = 0;
130 uint16_t sctpPort = SRC_PORT;
136 void *rmrCtx = nullptr;
137 Sctp_Map_t *sctpMap = nullptr;
138 char ka_message[KA_MESSAGE_SIZE] {};
139 int ka_message_length = 0;
140 char rmrAddress[256] {}; // "tcp:port number" "tcp:5566" listen to all address on port 5566
141 char volume[VOLUME_URL_SIZE];
145 string configFilePath {};
146 string configFileName {};
148 shared_ptr<prometheus::Registry> prometheusRegistry;
149 string prometheusPort {"8088"};
150 Family<Counter> *prometheusFamily;
151 Exposer *prometheusExposer = nullptr;
152 Counter *e2tCounters[6][2][ProcedureCode_id_RICsubscriptionDeleteRequired + 1] {};
156 #define IN_INITI 0 //INITIATING
157 #define IN_SUCC 1 //SUCCESSFUL
158 #define IN_UN_SUCC 2 //UN-Successful
161 #define OUT_INITI 3 //INITIATING
162 #define OUT_SUCC 4 //SUCCESSFUL
163 #define OUT_UN_SUCC 5 //UN-Successful
165 #define MSG_COUNTER 0
166 #define BYTES_COUNTER 1
168 #define INVALID_STREAM_ID -1
170 typedef struct ConnectedCU {
171 int fileDescriptor = 0;
172 char hostName[NI_MAXHOST] {};
173 char portNumber[NI_MAXSERV] {};
174 char enodbName[MAX_ENODB_NAME_SIZE] {};
175 char asnData[RECEIVE_SCTP_BUFFER_SIZE] {};
176 size_t asnLength = 0;
178 bool isConnected = false;
179 bool gotSetup = false;
180 sctp_params_t *sctpParams = nullptr;
181 Counter *counters[6][2][ProcedureCode_id_RICsubscriptionDeleteRequired + 1] {};
182 bool isSingleStream = false;
183 int singleStreamId = 0;
187 #define MAX_RMR_BUFF_ARRAY 32
188 typedef struct RmrMessagesBuffer {
189 char ka_message[KA_MESSAGE_SIZE] {};
190 int ka_message_len = 0;
191 void *rmrCtx = nullptr;
192 rmr_mbuf_t *sendMessage= nullptr;
193 //rmr_mbuf_t *sendBufferedMessages[MAX_RMR_BUFF_ARRAY] {};
194 rmr_mbuf_t *rcvMessage= nullptr;
195 //rmr_mbuf_t *rcvBufferedMessages[MAX_RMR_BUFF_ARRAY] {};
196 } RmrMessagesBuffer_t;
198 typedef struct formatedMessage {
199 char enodbName[MAX_ENODB_NAME_SIZE];
200 struct timespec time;
204 unsigned char *asndata;
207 typedef struct ReportingMessages {
208 FormatedMessage_t message {};
209 ConnectedCU_t *peerInfo = nullptr;
211 unsigned char base64Data[RECEIVE_SCTP_BUFFER_SIZE * 2] {};
212 char buffer[RECEIVE_SCTP_BUFFER_SIZE * 8] {};
213 } ReportingMessages_t;
215 cxxopts::ParseResult parse(int argc, char *argv[], sctp_params_t &pSctpParams);
217 int buildInotify(sctp_params_t &sctpParams);
219 void handleTermInit(sctp_params_t &sctpParams);
221 void handleConfigChange(sctp_params_t *sctpParams);
223 void listener(sctp_params_t *params);
225 void sendTermInit(sctp_params_t &sctpParams);
227 int setSocketNoBlocking(int socket);
229 void handleEinprogressMessages(struct epoll_event &event,
230 ReportingMessages_t &message,
231 RmrMessagesBuffer_t &rmrMessageBuffer,
232 sctp_params_t *params);
234 void handlepoll_error(struct epoll_event &event,
235 ReportingMessages_t &message,
236 RmrMessagesBuffer_t &rmrMessageBuffer,
237 sctp_params_t *params);
240 void cleanHashEntry(ConnectedCU_t *peerInfo, Sctp_Map_t *m);
246 * @param rmrMessageBuffer
248 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer);
253 * @param messageBuffer
255 * @param failedMesgId
258 int sendMessagetoCu(Sctp_Map_t *sctpMap,
259 RmrMessagesBuffer_t &messageBuffer,
260 ReportingMessages_t &message,
263 void sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer,
264 ReportingMessages_t &message,
267 int sendRequestToXapp(ReportingMessages_t &message,
269 RmrMessagesBuffer_t &rmrMmessageBuffer);
276 * @param rmrMessageBuffer
281 int sendResponseToXapp(ReportingMessages_t &message,
284 RmrMessagesBuffer_t &rmrMessageBuffer,
285 Sctp_Map_t *sctpMap);
295 int sendSctpMsg(ConnectedCU_t *peerInfo,
296 ReportingMessages_t &message,
303 * @param numOfMessages
304 * @param rmrMessageBuffer
308 int receiveDataFromSctp(struct epoll_event *events,
311 RmrMessagesBuffer_t &rmrMessageBuffer,
312 struct timespec &ts);
319 void getRmrContext(sctp_params_t &pSctpParams);
324 * @param rmrMessageBuffer
328 int receiveXappMessages(Sctp_Map_t *sctpMap,
329 RmrMessagesBuffer_t &rmrMessageBuffer,
330 struct timespec &ts);
334 * @param messageBuffer
339 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messageBuffer,
340 ReportingMessages_t &message,
342 Sctp_Map_t *sctpMap);
347 * @param rmrMessageBuffer
349 void asnInitiatingRequest(E2AP_PDU_t *pdu,
351 ReportingMessages_t &message,
352 RmrMessagesBuffer_t &rmrMessageBuffer,int streamId);
358 * @param rmrMessageBuffer
360 void asnSuccessfulMsg(E2AP_PDU_t *pdu,
362 ReportingMessages_t &message,
363 RmrMessagesBuffer_t &rmrMessageBuffer);
369 * @param rmrMessageBuffer
371 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
373 ReportingMessages_t &message,
374 RmrMessagesBuffer_t &rmrMessageBuffer);
378 * @param rmrMessageBuffer
382 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message);
391 * @returnsrc::logger_mt& lg = my_logger::get();
393 int addToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType);
404 int modifyToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType);
410 void buildJsonMessage(ReportingMessages_t &message);
418 string translateRmrErrorMessages(int state);
420 int buildConfiguration(sctp_params_t &sctpParams);
421 void startPrometheus(sctp_params_t &sctpParams);
422 static int enable_log_change_notify(const char* fileName);
423 static int register_log_change_notify(const char *fileName);
424 static void * monitor_loglevel_change_handler(void* arg);
425 void update_mdc_log_level_severity(char* log_level);
426 char* getinterfaceip();
427 static char* parse_file(char* filename);
430 static inline uint64_t rdtscp(uint32_t &aux) {
432 asm volatile ("rdtscp\n" : "=a" (rax), "=d" (rdx), "=c" (aux) : :);
433 return (rdx << (unsigned)32) + rax;
435 #ifndef RIC_SCTP_CONNECTION_FAILURE
436 #define RIC_SCTP_CONNECTION_FAILURE 10080
440 #define FILE_DESCRIPTOR 53424 /*Dummy value for file descriptor only when UT is defined*/
443 int buildListeningPort(sctp_params_t &sctpParams);
444 void buildE2TPrometheusCounters(sctp_params_t &sctpParams);
446 int fetchStreamId(ConnectedCU_t *peerInfo, ReportingMessages_t &message);
447 #endif //X2_SCTP_THREAD_H