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>
46 #include <sys/epoll.h>
48 #include <shared_mutex>
51 #include <sys/inotify.h>
55 #include <rmr/RIC_message_types.h>
56 #include <mdclog/mdclog.h>
60 #include <boost/algorithm/string/predicate.hpp>
61 #include <boost/lexical_cast.hpp>
62 #include <boost/move/utility.hpp>
63 #include <boost/log/sources/logger.hpp>
64 #include <boost/log/sources/record_ostream.hpp>
65 #include <boost/log/sources/global_logger_storage.hpp>
66 #include <boost/log/utility/setup/file.hpp>
67 #include <boost/log/utility/setup/common_attributes.hpp>
68 #include <boost/filesystem.hpp>
70 #include <mdclog/mdclog.h>
72 #include "oranE2/E2AP-PDU.h"
73 #include "oranE2/ProtocolIE-Container.h"
74 #include "oranE2/InitiatingMessage.h"
75 #include "oranE2/SuccessfulOutcome.h"
76 #include "oranE2/UnsuccessfulOutcome.h"
77 #include "oranE2/ProtocolIE-Container.h"
78 #include "oranE2/ProtocolIE-Field.h"
79 #include "oranE2/GlobalE2node-gNB-ID.h"
80 #include "oranE2/GlobalE2node-en-gNB-ID.h"
81 #include "oranE2/GlobalE2node-ng-eNB-ID.h"
82 #include "oranE2/GlobalE2node-eNB-ID.h"
84 #include "cxxopts.hpp"
85 //#include "config-cpp/include/config-cpp/config-cpp.h"
88 #include "openTracing.h"
91 #include "mapWrapper.h"
95 #include "ReadConfigFile.h"
98 namespace logging = boost::log;
99 namespace src = boost::log::sources;
100 namespace keywords = boost::log::keywords;
101 namespace sinks = boost::log::sinks;
102 namespace posix_time = boost::posix_time;
103 namespace expr = boost::log::expressions;
105 #define SRC_PORT 36422
106 #define SA struct sockaddr
107 #define MAX_ENODB_NAME_SIZE 64
109 #define MAXEVENTS 128
111 #define RECEIVE_SCTP_BUFFER_SIZE (8 * 1024)
112 #define RECEIVE_XAPP_BUFFER_SIZE RECEIVE_SCTP_BUFFER_SIZE
114 typedef mapWrapper Sctp_Map_t;
117 #define VOLUME_URL_SIZE 256
118 #define KA_MESSAGE_SIZE 2048
120 typedef struct sctp_params {
121 uint16_t rmrPort = 0;
122 uint16_t sctpPort = SRC_PORT;
128 void *rmrCtx = nullptr;
129 Sctp_Map_t *sctpMap = nullptr;
130 char ka_message[KA_MESSAGE_SIZE] {};
131 int ka_message_length = 0;
132 char rmrAddress[256] {}; // "tcp:portnumber" "tcp:5566" listen to all address on port 5566
133 mdclog_severity_t logLevel = MDCLOG_INFO;
134 char volume[VOLUME_URL_SIZE];
138 string configFilePath {};
139 string configFileName {};
141 //shared_timed_mutex fence; // moved to mapWrapper
144 typedef struct ConnectedCU {
145 int fileDescriptor = 0;
146 char hostName[NI_MAXHOST] {};
147 char portNumber[NI_MAXSERV] {};
148 char enodbName[MAX_ENODB_NAME_SIZE] {};
149 char asnData[RECEIVE_SCTP_BUFFER_SIZE] {};
152 size_t asnLength = 0;
154 bool isConnected = false;
155 bool gotSetup = false;
156 sctp_params_t *sctpParams = nullptr;
159 #define MAX_RMR_BUFF_ARRY 32
160 typedef struct RmrMessagesBuffer {
161 char ka_message[KA_MESSAGE_SIZE] {};
162 int ka_message_len = 0;
163 void *rmrCtx = nullptr;
164 rmr_mbuf_t *sendMessage= nullptr;
165 rmr_mbuf_t *sendBufferedMessages[MAX_RMR_BUFF_ARRY] {};
166 rmr_mbuf_t *rcvMessage= nullptr;
167 rmr_mbuf_t *rcvBufferedMessages[MAX_RMR_BUFF_ARRY] {};
168 } RmrMessagesBuffer_t;
170 typedef struct formatedMessage {
171 char enodbName[MAX_ENODB_NAME_SIZE];
172 struct timespec time;
176 unsigned char *asndata;
179 typedef struct ReportingMessages {
180 FormatedMessage_t message {};
181 ConnectedCU_t *peerInfo = nullptr;
183 unsigned char base64Data[RECEIVE_SCTP_BUFFER_SIZE * 2] {};
184 char buffer[RECEIVE_SCTP_BUFFER_SIZE * 8] {};
185 } ReportingMessages_t;
187 cxxopts::ParseResult parse(int argc, char *argv[], sctp_params_t &pSctpParams);
189 int buildInotify(sctp_params_t &sctpParams);
191 void handleTermInit(sctp_params_t &sctpParams);
193 void handleConfigChange(sctp_params_t *sctpParams);
195 void listener(sctp_params_t *params);
197 void sendTermInit(sctp_params_t &sctpParams);
199 int setSocketNoBlocking(int socket);
201 void handleEinprogressMessages(struct epoll_event &event,
202 ReportingMessages_t &message,
203 RmrMessagesBuffer_t &rmrMessageBuffer,
204 sctp_params_t *params);
206 void handlepoll_error(struct epoll_event &event,
207 ReportingMessages_t &message,
208 RmrMessagesBuffer_t &rmrMessageBuffer,
209 sctp_params_t *params);
212 void cleanHashEntry(ConnectedCU_t *peerInfo, Sctp_Map_t *m);
218 * @param rmrMessageBuffer
220 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer);
225 * @param messagBuffer
227 * @param failedMesgId
230 int sendMessagetoCu(Sctp_Map_t *sctpMap,
231 RmrMessagesBuffer_t &messagBuffer,
232 ReportingMessages_t &message,
235 void sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer,
236 ReportingMessages_t &message,
239 int sendRequestToXapp(ReportingMessages_t &message,
241 RmrMessagesBuffer_t &rmrMmessageBuffer);
248 * @param rmrMessageBuffer
253 int sendResponseToXapp(ReportingMessages_t &message,
256 RmrMessagesBuffer_t &rmrMessageBuffer,
257 Sctp_Map_t *sctpMap);
267 int sendSctpMsg(ConnectedCU_t *peerInfo,
268 ReportingMessages_t &message,
275 * @param numOfMessages
276 * @param rmrMessageBuffer
280 int receiveDataFromSctp(struct epoll_event *events,
283 RmrMessagesBuffer_t &rmrMessageBuffer,
284 struct timespec &ts);
291 void getRmrContext(sctp_params_t &pSctpParams);
298 * @param messagBuffer
301 int receiveXappMessages(int epoll_fd,
303 RmrMessagesBuffer_t &rmrMessageBuffer,
304 struct timespec &ts);
308 * @param messagBuffer
313 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messagBuffer,
314 ReportingMessages_t &message,
316 Sctp_Map_t *sctpMap);
321 * @param rmrMessageBuffer
323 void asnInitiatingRequest(E2AP_PDU_t *pdu,
324 ReportingMessages_t &message,
325 RmrMessagesBuffer_t &rmrMessageBuffer);
331 * @param rmrMessageBuffer
333 void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
334 ReportingMessages_t &message,
335 RmrMessagesBuffer_t &rmrMessageBuffer);
341 * @param rmrMessageBuffer
343 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
344 ReportingMessages_t &message,
345 RmrMessagesBuffer_t &rmrMessageBuffer);
349 * @param rmrMessageBuffer
353 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message);
362 * @returnsrc::logger_mt& lg = my_logger::get();
364 int addToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType);
375 int modifyToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType);
381 void buildJsonMessage(ReportingMessages_t &message);
389 string translateRmrErrorMessages(int state);
392 static inline uint64_t rdtscp(uint32_t &aux) {
394 asm volatile ("rdtscp\n" : "=a" (rax), "=d" (rdx), "=c" (aux) : :);
395 return (rdx << (unsigned)32) + rax;
397 #ifndef RIC_SCTP_CONNECTION_FAILURE
398 #define RIC_SCTP_CONNECTION_FAILURE 10080
401 #endif //X2_SCTP_THREAD_H