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>
32 func convertToMBuf(logger *logger.Logger, m *C.rmr_mbuf_t) *MBuf {
33 payloadArr := C.GoBytes(unsafe.Pointer(m.payload),C.int(m.len))
34 xActionArr := C.GoBytes(unsafe.Pointer(m.xaction),C.int(RMR_MAX_XACTION_LEN))
36 // Trim padding (space and 0)
37 xActionStr := strings.TrimRight(string(xActionArr),"\040\000")
38 xActionArr = []byte(xActionStr)
47 meidBuf := make([]byte, RMR_MAX_MEID_LEN)
48 if meidCstr := C.rmr_get_meid(m, (*C.uchar)(unsafe.Pointer(&meidBuf[0]))); meidCstr != nil {
49 mbuf.Meid = strings.TrimRight(string(meidBuf), "\000")
55 func (ctx *Context) getAllocatedCRmrMBuf(logger *logger.Logger, mBuf *MBuf, maxMsgSize int) (cMBuf *C.rmr_mbuf_t) {
56 var xActionBuf [RMR_MAX_XACTION_LEN]byte
57 var meidBuf[RMR_MAX_MEID_LEN]byte
59 cMBuf = C.rmr_alloc_msg(ctx.RmrCtx, C.int(maxMsgSize))
60 cMBuf.mtype = C.int(mBuf.MType)
61 cMBuf.len = C.int(mBuf.Len)
63 payloadLen := len(*mBuf.Payload)
64 xActionLen := len(*mBuf.XAction)
67 copy(xActionBuf[:], *mBuf.XAction)
68 for i:= xActionLen; i < RMR_MAX_XACTION_LEN; i++{
69 xActionBuf[i] = '\040' //space
73 copy(meidBuf[:], mBuf.Meid)
74 for i:= len(mBuf.Meid); i < RMR_MAX_MEID_LEN; i++{
78 payloadArr := (*[1 << 30]byte)(unsafe.Pointer(cMBuf.payload))[:payloadLen:payloadLen]
79 xActionArr := (*[1 << 30]byte)(unsafe.Pointer(cMBuf.xaction))[:RMR_MAX_XACTION_LEN:RMR_MAX_XACTION_LEN]
81 err := binary.Read(bytes.NewReader(*mBuf.Payload), binary.LittleEndian, payloadArr)
84 "#rmrCgoUtils.getAllocatedCRmrMBuf - Failed to read payload to allocated RMR message buffer")
86 err = binary.Read(bytes.NewReader(xActionBuf[:]), binary.LittleEndian, xActionArr)
89 "#rmrCgoUtils.getAllocatedCRmrMBuf - Failed to read xAction data to allocated RMR message buffer")
91 len := C.rmr_bytes2meid(cMBuf, (*C.uchar)(unsafe.Pointer(&meidBuf[0])), C.int(RMR_MAX_MEID_LEN))
92 if int(len) != RMR_MAX_MEID_LEN {
94 "#rmrCgoUtils.getAllocatedCRmrMBuf - Failed to copy meid data to allocated RMR message buffer")
99 //TODO: change to assert or return error
100 func (ctx *Context) checkContextInitialized() {
101 if ctx.RmrCtx == nil {
102 if ctx.Logger != nil {
103 ctx.Logger.DPanicf("#rmrCgoUtils.checkContextInitialized - The RMR router has not been initialized")
105 panic("#rmrCgoUtils.checkContextInitialized - The RMR router has not been initialized. To initialize router please call Init() method")