2 ==================================================================================
4 Copyright (c) 2018-2019 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 xid[RMR_MAX_XID]; //space for user transaction id.
55 unsigned char sid[RMR_MAX_SID]; //sender ID for return to sender needs.(ACKS required)
56 unsigned char src[RMR_MAX_SRC]; //name of the sender (source)
62 std::string _proto_port;
67 rmr_mbuf_t* _xapp_send_buff; // send buffer
68 rmr_mbuf_t* _xapp_received_buff; // received buffer
73 XappRmr(std::string, int rmrattempts=10);
75 void xapp_rmr_init(void);
77 template <class MessageProcessor>
78 void xapp_rmr_receive(MessageProcessor&&, XappRmr *parent);
79 bool xapp_rmr_send(xapp_rmr_header*, void*);
81 void set_listen(bool);
82 bool get_listen(void);
83 int get_is_ready(void);
84 bool get_isRunning(void);
85 void* get_rmr_context(void);
89 // main workhorse thread which does the listen->process->respond loop
90 template <class MsgHandler>
91 void XappRmr::xapp_rmr_receive(MsgHandler&& msgproc, XappRmr *parent){
93 bool* resend = new bool(false);
95 std::thread::id my_id = std::this_thread::get_id();
96 std::stringstream thread_id;
101 // Get the rmr context from parent (all threads and parent use same rmr context. rmr context is expected to be thread safe)
102 if(!parent->get_is_ready()){
103 mdclog_write( MDCLOG_ERR, "RMR Shows Not Ready in RECEIVER, file= %s, line=%d ",__FILE__,__LINE__);
106 void *rmr_context = parent->get_rmr_context();
107 assert(rmr_context != NULL);
109 // Get buffer specific to this thread
110 this->_xapp_received_buff = NULL;
111 this->_xapp_received_buff = rmr_alloc_msg(rmr_context, RMR_DEF_SIZE);
112 assert(this->_xapp_received_buff != NULL);
114 mdclog_write(MDCLOG_INFO, "Starting receiver thread %s", thread_id.str().c_str());
116 while(parent->get_listen()) {
117 mdclog_write(MDCLOG_INFO, "Listening at Thread: %s", thread_id.str().c_str());
119 this->_xapp_received_buff = rmr_rcv_msg( rmr_context, this->_xapp_received_buff );
122 if( this->_xapp_received_buff->mtype < 0 || this->_xapp_received_buff->state != RMR_OK ) {
123 mdclog_write(MDCLOG_ERR, "bad msg: state=%d errno=%d, file= %s, line=%d", this->_xapp_received_buff->state, errno, __FILE__,__LINE__ );
128 mdclog_write(MDCLOG_INFO,"RMR Received Message of Type: %d",this->_xapp_received_buff->mtype);
129 mdclog_write(MDCLOG_INFO,"RMR Received Message: %s",(char*)this->_xapp_received_buff->payload);
131 //in case message handler returns true, need to resend the message.
132 msgproc(this->_xapp_received_buff, resend);
134 //mdclog_write(MDCLOG_INFO,"RMR Return to Sender Message of Type: %d",this->_xapp_received_buff->mtype);
135 //mdclog_write(MDCLOG_INFO,"RMR Return to Sender Message: %s",(char*)this->_xapp_received_buff->payload);
136 rmr_rts_msg(rmr_context, this->_xapp_received_buff );
148 rmr_free_msg(this->_xapp_received_buff);
150 catch(std::runtime_error &e){
151 std::string identifier = __FILE__ + std::string(", Line: ") + std::to_string(__LINE__) ;
152 std::string error_string = identifier = " Error freeing RMR message ";
153 mdclog_write(MDCLOG_ERR, error_string.c_str(), "");
162 #endif /* XAPP_RMR_XAPP_RMR_H_ */