2 // Copyright 2019 AT&T Intellectual Property
3 // Copyright 2019 Nokia
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.
20 // #cgo LDFLAGS: -L/usr/local/lib -lrmr_nng -lnng
21 // #include <rmr/rmr.h>
22 // #include <stdlib.h>
26 "github.com/pkg/errors"
34 func (*Context) Init(port string, maxMsgSize int, flags int, logger *logger.Logger) *RmrMessenger {//TODO remove pointer from interface
36 defer C.free(unsafe.Pointer(pp))
37 logger.Debugf("#rmrCgoApi.Init - Going to initiate RMR router")
38 ctx := NewContext(maxMsgSize, flags, C.rmr_init(pp, C.int(maxMsgSize), C.int(flags)), logger)
40 //TODO use time.Ticker()
42 time.Sleep(time.Second)
43 if time.Since(start) >= time.Minute {
44 logger.Debugf("#rmrCgoApi.Init - Routing table is not ready")
48 logger.Infof("#rmrCgoApi.Init - RMR router has been initiated")
49 r := RmrMessenger(ctx)
53 func (ctx *Context) SendMsg(msg *MBuf, maxMsgSize int) (*MBuf, error) {
54 ctx.checkContextInitialized()
55 ctx.Logger.Debugf("#rmrCgoApi.SendMsg - Going to send message. MBuf: %v", *msg)
56 allocatedCMBuf := ctx.getAllocatedCRmrMBuf(ctx.Logger, msg, maxMsgSize)
57 defer C.rmr_free_msg(allocatedCMBuf)
58 state := allocatedCMBuf.state
60 errorMessage := fmt.Sprintf("#rmrCgoApi.SendMsg - Failed to get allocated message. state: %v - %s", state, states[int(state)])
61 return nil, errors.New(errorMessage)
64 //TODO: if debug enabled
65 transactionId := string(*msg.XAction)
66 tmpTid := strings.TrimSpace(transactionId)
67 ctx.Logger.Infof("[E2 Manager -> RMR] #rmrCgoApi.SendMsg - Going to send message %v for transaction id: %s", *msg, tmpTid)
69 currCMBuf := C.rmr_send_msg(ctx.RmrCtx, allocatedCMBuf)
70 state = currCMBuf.state
71 ctx.Logger.Debugf("#rmrCgoApi.SendMsg - The current message state: %v, message buffer:%v", state, currCMBuf)
74 errorMessage := fmt.Sprintf("#rmrCgoApi.SendMsg - Failed to send message. state: %v - %s", state, states[int(state)])
75 return nil, errors.New(errorMessage)
78 ctx.Logger.Debugf("#rmrCgoApi.SendMsg - The message has been sent successfully ")
79 return convertToMBuf(ctx.Logger, currCMBuf), nil
82 func (ctx *Context) RecvMsg() (*MBuf, error) {
83 ctx.checkContextInitialized()
84 ctx.Logger.Debugf("#rmrCgoApi.RecvMsg - Going to receive message")
85 allocatedCMBuf := C.rmr_alloc_msg(ctx.RmrCtx, C.int(ctx.MaxMsgSize))
86 defer C.rmr_free_msg(allocatedCMBuf)
88 currCMBuf := C.rmr_rcv_msg(ctx.RmrCtx, allocatedCMBuf)
89 state := currCMBuf.state
92 errorMessage := fmt.Sprintf("#rmrCgoApi.RecvMsg - Failed to receive message. state: %v - %s", state, states[int(state)])
93 ctx.Logger.Errorf(errorMessage)
94 return nil, errors.New(errorMessage)
97 mbuf := convertToMBuf(ctx.Logger, currCMBuf)
98 transactionId := string(*mbuf.XAction)
99 tmpTid := strings.TrimSpace(transactionId)
100 ctx.Logger.Infof("[RMR -> E2 Manager] #rmrCgoApi.RecvMsg - message %v has been received for transaction id: %s", *mbuf, tmpTid)
104 func (ctx *Context) RtsMsg(msg *MBuf) {
105 ctx.checkContextInitialized()
106 ctx.Logger.Debugf("#rmrCgoApi.RtsMsg - Going to return message to the sender")
107 allocatedCMBuf := C.rmr_alloc_msg(ctx.RmrCtx, C.int(ctx.MaxMsgSize))
108 defer C.rmr_free_msg(allocatedCMBuf)
109 C.rmr_rts_msg(ctx.RmrCtx, allocatedCMBuf)
112 func (ctx *Context) IsReady() bool {
113 ctx.Logger.Debugf("#rmrCgoApi.IsReady - Going to check if routing table is initialized")
114 return int(C.rmr_ready(ctx.RmrCtx)) != 0
117 func (ctx *Context) Close() {
118 ctx.Logger.Debugf("#rmrCgoApi.Close - Going to close RMR context")
119 C.rmr_close(ctx.RmrCtx)
120 time.Sleep(100 * time.Millisecond)