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).
24 #ifndef X2_SCTP_THREAD_H
25 #define X2_SCTP_THREAD_H
34 #include <sys/socket.h>
35 #include <arpa/inet.h>
36 #include <netinet/in_systm.h>
37 #include <netinet/in.h>
38 #include <netinet/ip.h>
39 #include <netinet/ip_icmp.h>
40 #include <netinet/sctp.h>
43 #include <sys/param.h>
47 #include <sys/epoll.h>
49 #include <shared_mutex>
54 #include <rmr/RIC_message_types.h>
55 #include <mdclog/mdclog.h>
59 #include <boost/algorithm/string/predicate.hpp>
60 #include <boost/lexical_cast.hpp>
61 #include <boost/move/utility.hpp>
62 #include <boost/log/sources/logger.hpp>
63 #include <boost/log/sources/record_ostream.hpp>
64 #include <boost/log/sources/global_logger_storage.hpp>
65 #include <boost/log/utility/setup/file.hpp>
66 #include <boost/log/utility/setup/common_attributes.hpp>
69 #include <mdclog/mdclog.h>
71 #include "3rdparty/asn1cFiles/E2AP-PDU.h"
72 #include <3rdparty/asn1cFiles/ProtocolIE-Container.h>
73 #include "3rdparty/asn1cFiles/InitiatingMessage.h"
74 #include "3rdparty/asn1cFiles/SuccessfulOutcome.h"
75 #include "3rdparty/asn1cFiles/UnsuccessfulOutcome.h"
76 #include "3rdparty/asn1cFiles/ProtocolIE-Container.h"
77 #include "3rdparty/asn1cFiles/ProtocolIE-Field.h"
80 #include "openTracing.h"
83 #include "mapWrapper.h"
88 namespace logging = boost::log;
89 namespace src = boost::log::sources;
90 namespace keywords = boost::log::keywords;
91 namespace sinks = boost::log::sinks;
92 namespace posix_time = boost::posix_time;
93 namespace expr = boost::log::expressions;
95 #define SRC_PORT 36422
96 #define SA struct sockaddr
97 #define MAX_ENODB_NAME_SIZE 64
101 #define RECEIVE_SCTP_BUFFER_SIZE (64*1024)
102 #define RECEIVE_XAPP_BUFFER_SIZE RECEIVE_SCTP_BUFFER_SIZE
104 typedef mapWrapper Sctp_Map_t;
107 typedef const std::unique_ptr<opentracing::Span> otSpan;
109 typedef const int otSpan;
112 #define VOLUME_URL_SIZE 256
114 typedef struct sctp_params {
115 uint16_t rmrPort = 0;
118 void *rmrCtx = nullptr;
119 Sctp_Map_t *sctpMap = nullptr;
120 char rmrAddress[256] {}; // "tcp:portnumber" "tcp:5566" listen to all address on port 5566
121 mdclog_severity_t logLevel = MDCLOG_INFO;
122 char volume[VOLUME_URL_SIZE];
123 //shared_timed_mutex fence; // moved to mapWrapper
126 typedef struct ConnectedCU {
127 int fileDescriptor = 0;
128 char hostName[NI_MAXHOST] {};
129 char portNumber[NI_MAXSERV] {};
130 char enodbName[MAX_ENODB_NAME_SIZE] {};
131 char asnData[RECEIVE_SCTP_BUFFER_SIZE] {};
132 size_t asnLength = 0;
134 bool isConnected = false;
137 #define MAX_RMR_BUFF_ARRY 32
138 typedef struct RmrMessagesBuffer {
140 rmr_mbuf_t *sendMessage;
141 rmr_mbuf_t *sendBufferedMessages[MAX_RMR_BUFF_ARRY];
142 rmr_mbuf_t *rcvMessage;
143 rmr_mbuf_t *rcvBufferedMessages[MAX_RMR_BUFF_ARRY];
144 } RmrMessagesBuffer_t;
146 typedef struct formatedMessage {
147 char enodbName[MAX_ENODB_NAME_SIZE];
148 struct timespec time;
152 unsigned char *asndata;
155 typedef struct ReportingMessages {
156 FormatedMessage_t message;
158 unsigned char base64Data[RECEIVE_SCTP_BUFFER_SIZE * 2];
159 char buffer[RECEIVE_SCTP_BUFFER_SIZE * 8];
161 } ReportingMessages_t;
164 void listener(sctp_params_t *params);
166 int setSocketNoBlocking(int socket);
168 void cleanHashEntry(ConnectedCU_t *peerInfo, Sctp_Map_t *m, otSpan *pSpan);
170 int getSetupRequestMetaData(ReportingMessages_t &message, char *data, char *host, uint16_t &port, otSpan *pSpan);
175 * @param rmrMessageBuffer
178 void getRequestMetaData(ReportingMessages_t &message, RmrMessagesBuffer_t &rmrMessageBuffer, otSpan *pSpan);
183 * @param messagBuffer
185 * @param failedMesgId
189 int sendMessagetoCu(Sctp_Map_t *sctpMap,
190 RmrMessagesBuffer_t &messagBuffer,
191 ReportingMessages_t &message,
192 int failedMesgId, otSpan *pSpan);
194 void sendFailedSendingMessagetoXapp(RmrMessagesBuffer_t &rmrMessageBuffer,
195 ReportingMessages_t &message,
199 int sendRequestToXapp(ReportingMessages_t &message,
201 RmrMessagesBuffer_t &rmrMmessageBuffer,
209 * @param rmrMessageBuffer
214 int sendResponseToXapp(ReportingMessages_t &message,
217 RmrMessagesBuffer_t &rmrMessageBuffer,
229 int sendSctpMsg(ConnectedCU_t *peerInfo,
230 ReportingMessages_t &message,
238 * @param numOfMessages
239 * @param rmrMessageBuffer
244 int receiveDataFromSctp(struct epoll_event *events,
247 RmrMessagesBuffer_t &rmrMessageBuffer,
257 void *getRmrContext(char *rmrAddress, otSpan *pSpan);
264 * @param messagBuffer
268 int receiveXappMessages(int epoll_fd,
270 RmrMessagesBuffer_t &rmrMessageBuffer,
276 * @param rmrMessageBuffer
283 int connectToCUandSetUp(RmrMessagesBuffer_t &rmrMessageBuffer,
284 ReportingMessages_t &message,
291 * @param messagBuffer
297 int sendDirectionalSctpMsg(RmrMessagesBuffer_t &messagBuffer,
298 ReportingMessages_t &message,
306 * @param rmrMessageBuffer
309 void asnInitiatingRequest(E2AP_PDU_t *pdu,
310 ReportingMessages_t &message,
311 RmrMessagesBuffer_t &rmrMessageBuffer,
318 * @param rmrMessageBuffer
321 void asnSuccsesfulMsg(E2AP_PDU_t *pdu,
322 ReportingMessages_t &message,
324 RmrMessagesBuffer_t &rmrMessageBuffer,
331 * @param rmrMessageBuffer
334 void asnUnSuccsesfulMsg(E2AP_PDU_t *pdu,
335 ReportingMessages_t &message,
337 RmrMessagesBuffer_t &rmrMessageBuffer,
342 * @param rmrMessageBuffer
347 int sendRmrMessage(RmrMessagesBuffer_t &rmrMessageBuffer, ReportingMessages_t &message, otSpan *pSpan);
358 * @returnsrc::logger_mt& lg = my_logger::get();
360 int addToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType, otSpan *pSpan);
372 int modifyToEpoll(int epoll_fd, ConnectedCU_t *peerInfo, uint32_t events, Sctp_Map_t *sctpMap, char *enodbName, int msgType, otSpan *pSpan);
378 void buildJsonMessage(ReportingMessages_t &message);
386 string translateRmrErrorMessages(int state);
388 #ifndef RIC_SCTP_CONNECTION_FAILURE
389 #define RIC_SCTP_CONNECTION_FAILURE 10080
392 #endif //X2_SCTP_THREAD_H