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] {};
150 size_t asnLength = 0;
152 bool isConnected = false;
153 bool gotSetup = false;
154 sctp_params_t *sctpParams = nullptr;
157 #define MAX_RMR_BUFF_ARRY 32
158 typedef struct RmrMessagesBuffer {
159 char ka_message[KA_MESSAGE_SIZE] {};
160 int ka_message_len = 0;
161 void *rmrCtx = nullptr;
162 rmr_mbuf_t *sendMessage= nullptr;
163 rmr_mbuf_t *sendBufferedMessages[MAX_RMR_BUFF_ARRY] {};
164 rmr_mbuf_t *rcvMessage= nullptr;
165 rmr_mbuf_t *rcvBufferedMessages[MAX_RMR_BUFF_ARRY] {};
166 } RmrMessagesBuffer_t;
168 typedef struct formatedMessage {
169 char enodbName[MAX_ENODB_NAME_SIZE];
170 struct timespec time;
174 unsigned char *asndata;
177 typedef struct ReportingMessages {
178 FormatedMessage_t message {};
179 ConnectedCU_t *peerInfo = nullptr;
181 unsigned char base64Data[RECEIVE_SCTP_BUFFER_SIZE * 2] {};
182 char buffer[RECEIVE_SCTP_BUFFER_SIZE * 8] {};
183 } ReportingMessages_t;
185 cxxopts::ParseResult parse(int argc, char *argv[], sctp_params_t &pSctpParams);
187 int buildInotify(sctp_params_t &sctpParams);
189 void handleTermInit(sctp_params_t &sctpParams);
191 void handleConfigChange(sctp_params_t *sctpParams);
193 void listener(sctp_params_t *params);
195 void sendTermInit(sctp_params_t &sctpParams);
197 int setSocketNoBlocking(int socket);
199 void handleEinprogressMessages(struct epoll_event &event,
200 ReportingMessages_t &message,
201 RmrMessagesBuffer_t &rmrMessageBuffer,
202 sctp_params_t *params);
204 void handlepoll_error(struct epoll_event &event,
205 ReportingMessages_t &message,
206 RmrMessagesBuffer_t &rmrMessageBuffer,
207 sctp_params_t *params);
210 void cleanHashEntry(ConnectedCU_t *peerInfo, Sctp_Map_t *m);
212 int getSetupRequestMetaData(ReportingMessages_t &message, char *data, char *host, uint16_t &port);
217 * @param rmrMessageBuffer
219 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer);
224 * @param messagBuffer
226 * @param failedMesgId
229 int sendMessagetoCu(Sctp_Map_t *sctpMap,
230 RmrMessagesBuffer_t &messagBuffer,
231 ReportingMessages_t &message,
234 void sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer,
235 ReportingMessages_t &message,
238 int sendRequestToXapp(ReportingMessages_t &message,
240 RmrMessagesBuffer_t &rmrMmessageBuffer);
247 * @param rmrMessageBuffer
252 int sendResponseToXapp(ReportingMessages_t &message,
255 RmrMessagesBuffer_t &rmrMessageBuffer,
256 Sctp_Map_t *sctpMap);
266 int sendSctpMsg(ConnectedCU_t *peerInfo,
267 ReportingMessages_t &message,
274 * @param numOfMessages
275 * @param rmrMessageBuffer
279 int receiveDataFromSctp(struct epoll_event *events,
282 RmrMessagesBuffer_t &rmrMessageBuffer,
283 struct timespec &ts);
290 void getRmrContext(sctp_params_t &pSctpParams);
297 * @param messagBuffer
300 int receiveXappMessages(int epoll_fd,
302 RmrMessagesBuffer_t &rmrMessageBuffer,
303 struct timespec &ts);
307 * @param rmrMessageBuffer
313 int connectToCUandSetUp(RmrMessagesBuffer_t &rmrMessageBuffer,
314 ReportingMessages_t &message,
316 Sctp_Map_t *sctpMap);
320 * @param messagBuffer
325 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messagBuffer,
326 ReportingMessages_t &message,
328 Sctp_Map_t *sctpMap);
333 * @param rmrMessageBuffer
335 void asnInitiatingRequest(E2AP_PDU_t *pdu,
336 ReportingMessages_t &message,
337 RmrMessagesBuffer_t &rmrMessageBuffer);
343 * @param rmrMessageBuffer
345 void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
346 ReportingMessages_t &message,
348 RmrMessagesBuffer_t &rmrMessageBuffer);
354 * @param rmrMessageBuffer
356 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
357 ReportingMessages_t &message,
359 RmrMessagesBuffer_t &rmrMessageBuffer);
363 * @param rmrMessageBuffer
367 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message);
376 * @returnsrc::logger_mt& lg = my_logger::get();
378 int addToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType);
389 int modifyToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType);
395 void buildJsonMessage(ReportingMessages_t &message);
403 string translateRmrErrorMessages(int state);
406 static inline uint64_t rdtscp(uint32_t &aux) {
408 asm volatile ("rdtscp\n" : "=a" (rax), "=d" (rdx), "=c" (aux) : :);
409 return (rdx << (unsigned)32) + rax;
411 #ifndef RIC_SCTP_CONNECTION_FAILURE
412 #define RIC_SCTP_CONNECTION_FAILURE 10080
415 #endif //X2_SCTP_THREAD_H