2 ==================================================================================
4 Copyright (c) 2019-2020 AT&T Intellectual Property.
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
17 ==================================================================================
20 #ifndef XAPP_RMR_XAPP_RMR_H_
21 #define XAPP_RMR_XAPP_RMR_H_
25 #define likely(x) __builtin_expect((x), 1)
26 #define unlikely(x) __builtin_expect((x), 0)
29 #define unlikely(x) (x)
43 #include <sys/epoll.h>
45 #include <rmr/RIC_message_types.h>
46 #include <mdclog/mdclog.h>
53 int32_t payload_length;
54 unsigned char sid[RMR_MAX_SID]; //Subscription ID.
55 unsigned char src[RMR_MAX_SRC]; //Xapp Name
56 unsigned char meid[RMR_MAX_MEID]={};
63 std::string _proto_port;
68 rmr_mbuf_t* _xapp_send_buff; // send buffer
69 rmr_mbuf_t* _xapp_received_buff; // received buffer
74 XappRmr(std::string, int rmrattempts=10);
76 void xapp_rmr_init(bool);
78 template <class MessageProcessor>
79 void xapp_rmr_receive(MessageProcessor&&, XappRmr *parent);
81 bool xapp_rmr_send(xapp_rmr_header*, void*);
83 bool rmr_header(xapp_rmr_header*);
84 void set_listen(bool);
85 bool get_listen(void);
86 int get_is_ready(void);
87 bool get_isRunning(void);
88 void* get_rmr_context(void);
93 // main workhorse thread which does the listen->process->respond loop
94 template <class MsgHandler>
95 void XappRmr::xapp_rmr_receive(MsgHandler&& msgproc, XappRmr *parent){
97 bool* resend = new bool(false);
99 std::thread::id my_id = std::this_thread::get_id();
100 std::stringstream thread_id;
101 std::stringstream ss;
105 // Get the rmr context from parent (all threads and parent use same rmr context. rmr context is expected to be thread safe)
106 if(!parent->get_is_ready()){
107 mdclog_write( MDCLOG_ERR, "RMR Shows Not Ready in RECEIVER, file= %s, line=%d ",__FILE__,__LINE__);
110 void *rmr_context = parent->get_rmr_context();
111 assert(rmr_context != NULL);
113 // Get buffer specific to this thread
114 this->_xapp_received_buff = NULL;
115 this->_xapp_received_buff = rmr_alloc_msg(rmr_context, RMR_DEF_SIZE);
116 assert(this->_xapp_received_buff != NULL);
118 mdclog_write(MDCLOG_INFO, "Starting receiver thread %s", thread_id.str().c_str());
120 while(parent->get_listen()) {
121 mdclog_write(MDCLOG_INFO, "Listening at Thread: %s", thread_id.str().c_str());
123 this->_xapp_received_buff = rmr_rcv_msg( rmr_context, this->_xapp_received_buff );
124 //this->_xapp_received_buff = rmr_call( rmr_context, this->_xapp_received_buff);
126 if( this->_xapp_received_buff->mtype < 0 || this->_xapp_received_buff->state != RMR_OK ) {
127 mdclog_write(MDCLOG_ERR, "bad msg: state=%d errno=%d, file= %s, line=%d", this->_xapp_received_buff->state, errno, __FILE__,__LINE__ );
132 mdclog_write(MDCLOG_INFO,"RMR Received Message of Type: %d",this->_xapp_received_buff->mtype);
133 mdclog_write(MDCLOG_INFO,"RMR Received Message: %s",(char*)this->_xapp_received_buff->payload);
135 //in case message handler returns true, need to resend the message.
136 msgproc(this->_xapp_received_buff, resend);
139 mdclog_write(MDCLOG_INFO,"RMR Return to Sender Message of Type: %d",this->_xapp_received_buff->mtype);
140 mdclog_write(MDCLOG_INFO,"RMR Return to Sender Message: %s",(char*)this->_xapp_received_buff->payload);
141 rmr_rts_msg(rmr_context, this->_xapp_received_buff );
153 rmr_free_msg(this->_xapp_received_buff);
155 catch(std::runtime_error &e){
156 std::string identifier = __FILE__ + std::string(", Line: ") + std::to_string(__LINE__) ;
157 std::string error_string = identifier = " Error freeing RMR message ";
158 mdclog_write(MDCLOG_ERR, error_string.c_str(), "");
167 #endif /* XAPP_RMR_XAPP_RMR_H_ */