import (
"github.com/spf13/viper"
"strconv"
- "sync"
+ "strings"
"time"
"unsafe"
)
{Name: "ReceiveError", Help: "The total number of RMR receive errors"},
}
-// To be removed ...
-type RMRStatistics struct{}
-
-type RMRClient struct {
- context unsafe.Pointer
- ready int
- wg sync.WaitGroup
- mux sync.Mutex
- stat map[string]Counter
- consumers []MessageConsumer
- readyCb ReadyCB
- readyCbParams interface{}
-}
-
-type MessageConsumer interface {
- Consume(mtype int, sid int, len int, payload []byte) error
+type RMRParams struct {
+ Mtype int
+ Payload []byte
+ PayloadLen int
+ Meid *RMRMeid
+ Xid string
+ SubId int
+ Src string
+ Mbuf *C.rmr_mbuf_t
}
func NewRMRClient() *RMRClient {
}
func (m *RMRClient) Start(c MessageConsumer) {
+ if c != nil {
+ m.consumers = append(m.consumers, c)
+ }
+
for {
Logger.Info("rmrClient: Waiting for RMR to be ready ...")
}
m.wg.Add(viper.GetInt("rmr.numWorkers"))
- if c != nil {
- m.consumers = append(m.consumers, c)
+ if m.readyCb != nil {
+ go m.readyCb(m.readyCbParams)
}
for w := 0; w < viper.GetInt("rmr.numWorkers"); w++ {
go m.Worker("worker-"+strconv.Itoa(w), 0)
}
-
- if m.readyCb != nil {
- m.readyCb(m.readyCbParams)
- }
-
m.Wait()
}
return
}
+ params := &RMRParams{}
+ params.Mbuf = rxBuffer
+ params.Mtype = int(rxBuffer.mtype)
+ params.SubId = int(rxBuffer.sub_id)
+ params.Meid = &RMRMeid{}
+
+ meidBuf := make([]byte, int(C.RMR_MAX_MEID))
+ if meidCstr := C.rmr_get_meid(rxBuffer, (*C.uchar)(unsafe.Pointer(&meidBuf[0]))); meidCstr != nil {
+ params.Meid.RanName = strings.TrimRight(string(meidBuf), "\000")
+ }
+
+ xidBuf := make([]byte, int(C.RMR_MAX_XID))
+ if xidCstr := C.rmr_get_xact(rxBuffer, (*C.uchar)(unsafe.Pointer(&xidBuf[0]))); xidCstr != nil {
+ params.Xid = strings.TrimRight(string(xidBuf[0:32]), "\000")
+ }
+
+ srcBuf := make([]byte, int(C.RMR_MAX_SRC))
+ if srcStr := C.rmr_get_src(rxBuffer, (*C.uchar)(unsafe.Pointer(&srcBuf[0]))); srcStr != nil {
+ params.Src = strings.TrimRight(string(srcBuf[0:64]), "\000")
+ }
+
for _, c := range m.consumers {
cptr := unsafe.Pointer(rxBuffer.payload)
- payload := C.GoBytes(cptr, C.int(rxBuffer.len))
+ params.Payload = C.GoBytes(cptr, C.int(rxBuffer.len))
+ params.PayloadLen = int(rxBuffer.len)
- err := c.Consume(int(rxBuffer.mtype), int(rxBuffer.sub_id), int(rxBuffer.len), payload)
+ err := c.Consume(params)
if err != nil {
Logger.Warn("rmrClient: Consumer returned error: %v", err)
}
if buf == nil {
Logger.Error("rmrClient: Allocating message buffer failed!")
}
-
return buf
}
-func (m *RMRClient) Send(mtype int, sid int, len int, payload []byte) bool {
- buf := m.Allocate()
-
- buf.mtype = C.int(mtype)
- buf.sub_id = C.int(sid)
- buf.len = C.int(len)
- datap := C.CBytes(payload)
- defer C.free(datap)
+func (m *RMRClient) Free(mbuf *C.rmr_mbuf_t) {
+ if mbuf == nil {
+ Logger.Error("rmrClient: Can't free mbuffer, given nil pointer")
+ return
+ }
+ C.rmr_free_msg(mbuf)
+}
- C.write_bytes_array(buf.payload, datap, C.int(len))
+func (m *RMRClient) SendMsg(params *RMRParams) bool {
+ return m.SendBuffer(params, false)
+}
- return m.SendBuf(buf)
+func (m *RMRClient) SendRts(params *RMRParams) bool {
+ return m.SendBuffer(params, true)
}
-func (m *RMRClient) SendBuf(txBuffer *C.rmr_mbuf_t) bool {
+func (m *RMRClient) SendBuffer(params *RMRParams, isRts bool) bool {
+ defer m.Free(params.Mbuf)
for i := 0; i < 10; i++ {
- txBuffer.state = 0
- txBuffer := C.rmr_send_msg(m.context, txBuffer)
- if txBuffer == nil {
- break
- } else if txBuffer.state != C.RMR_OK {
- if txBuffer.state != C.RMR_ERR_RETRY {
- time.Sleep(100 * time.Microsecond)
- m.UpdateStatCounter("TransmitError")
- }
- for j := 0; j < 100 && txBuffer.state == C.RMR_ERR_RETRY; j++ {
- txBuffer = C.rmr_send_msg(m.context, txBuffer)
- }
- }
-
- if txBuffer.state == C.RMR_OK {
+ errCode := m.Send(params, isRts)
+ if errCode == C.RMR_OK {
m.UpdateStatCounter("Transmitted")
return true
}
+ if errCode != C.RMR_ERR_RETRY {
+ Logger.Error("rmrClient: rmr_send returned hard error - %d", errCode)
+ break
+ }
+
}
m.UpdateStatCounter("TransmitError")
return false
}
+func (m *RMRClient) Send(params *RMRParams, isRts bool) C.int {
+ txBuffer := params.Mbuf
+ if txBuffer == nil {
+ txBuffer = m.Allocate()
+ }
+
+ txBuffer.mtype = C.int(params.Mtype)
+ txBuffer.sub_id = C.int(params.SubId)
+ txBuffer.len = C.int(len(params.Payload))
+ if params.PayloadLen != 0 {
+ txBuffer.len = C.int(params.PayloadLen)
+ }
+ datap := C.CBytes(params.Payload)
+ defer C.free(datap)
+
+ if params != nil {
+ if params.Meid != nil {
+ b := make([]byte, int(C.RMR_MAX_MEID))
+ copy(b, []byte(params.Meid.RanName))
+ C.rmr_bytes2meid(txBuffer, (*C.uchar)(unsafe.Pointer(&b[0])), C.int(len(b)))
+ }
+ xidLen := len(params.Xid)
+ if xidLen > 0 && xidLen <= C.RMR_MAX_XID {
+ b := make([]byte, int(C.RMR_MAX_MEID))
+ copy(b, []byte(params.Xid))
+ C.rmr_bytes2xact(txBuffer, (*C.uchar)(unsafe.Pointer(&b[0])), C.int(len(b)))
+ }
+ }
+ C.write_bytes_array(txBuffer.payload, datap, txBuffer.len)
+
+ txBuffer.state = 0
+ currBuffer := txBuffer
+ if isRts {
+ currBuffer = C.rmr_rts_msg(m.context, txBuffer)
+ } else {
+ currBuffer = C.rmr_send_msg(m.context, txBuffer)
+ }
+
+ if currBuffer != nil {
+ return currBuffer.state
+ }
+ return -1
+}
+
func (m *RMRClient) UpdateStatCounter(name string) {
m.mux.Lock()
m.stat[name].Inc()
m.stat = Metric.RegisterCounterGroup(RMRCounterOpts, "RMR")
}
-// To be removed ...
-func (m *RMRClient) GetStat() (r RMRStatistics) {
- return
-}
-
func (m *RMRClient) Wait() {
m.wg.Wait()
}
}
return
}
+
+// To be removed ...
+func (m *RMRClient) GetStat() (r RMRStatistics) {
+ return
+}
Code Review / ric-plt / xapp-frame.git / blobdiff