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fix(cwmp): device msg answer to already timed out request

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This commit is contained in:
leandrofars 2024-05-30 10:08:07 -03:00
parent 8d1ce2529b
commit 5158fd345c
2 changed files with 28 additions and 20 deletions
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45
backend/services/acs/internal/server/handler/cwmp.go
View File

@ -1,7 +1,6 @@
package handler
import (
"encoding/json"
"encoding/xml"
"fmt"
"io/ioutil"
@ -92,6 +91,7 @@ func (h *Handler) CwmpHandler(w http.ResponseWriter, r *http.Request) {
http.SetCookie(w, &cookie)
//data, _ := xml.Marshal(cwmp.InformResponse(envelope.Header.Id))
fmt.Fprintf(w, cwmp.InformResponse(envelope.Header.Id))
} else if messageType == "TransferComplete" {
} else if messageType == "GetRPC" {
@ -103,34 +103,27 @@ func (h *Handler) CwmpHandler(w http.ResponseWriter, r *http.Request) {
}
if cpe.Waiting != nil {
log.Println("CPE was waiting for a response, now received something")
var e cwmp.SoapEnvelope
xml.Unmarshal([]byte(body), &e)
log.Println("Kind of envelope: ", e.KindOf())
if e.KindOf() == "GetParameterNamesResponse" {
// var envelope cwmp.GetParameterNamesResponse
// xml.Unmarshal([]byte(body), &envelope)
// msg := new(NatsSendMessage)
// msg.MsgType = "GetParameterNamesResponse"
// msg.Data, _ = json.Marshal(envelope)
log.Println("Receive GetParameterNamesResponse from CPE:", cpe.SerialNumber)
cpe.Waiting.Callback <- tmp
msgAnswer(cpe.Waiting.Callback, cpe.Waiting.Time, h.acsConfig.DeviceAnswerTimeout, tmp)
} else if e.KindOf() == "GetParameterValuesResponse" {
var envelope cwmp.GetParameterValuesResponse
xml.Unmarshal([]byte(body), &envelope)
msg := new(NatsSendMessage)
msg.MsgType = "GetParameterValuesResponse"
msg.Data, _ = json.Marshal(envelope)
cpe.Waiting.Callback <- tmp
log.Println("Receive GetParameterValuesResponse from CPE:", cpe.SerialNumber)
msgAnswer(cpe.Waiting.Callback, cpe.Waiting.Time, h.acsConfig.DeviceAnswerTimeout, tmp)
} else if e.KindOf() == "Fault" {
log.Println("Receive FaultResponse from CPE:", cpe.SerialNumber)
msgAnswer(cpe.Waiting.Callback, cpe.Waiting.Time, h.acsConfig.DeviceAnswerTimeout, tmp)
log.Println(body)
} else {
log.Println("Unknown message type")
cpe.Waiting.Callback <- tmp
log.Println("Envelope:", e)
msgAnswer(cpe.Waiting.Callback, cpe.Waiting.Time, h.acsConfig.DeviceAnswerTimeout, tmp)
}
cpe.Waiting = nil
} else {
@ -151,6 +144,7 @@ func (h *Handler) CwmpHandler(w http.ResponseWriter, r *http.Request) {
}
}
h.Cpes[cpe.SerialNumber] = cpe
log.Println("---End of CWMP Handler---")
}
func (h *Handler) ConnectionRequest(cpe CPE) error {
@ -167,3 +161,16 @@ func (h *Handler) ConnectionRequest(cpe CPE) error {
log.Println("<-- Successfully authenticated to CPE", cpe.SerialNumber)
return err
}
func msgAnswer(
callback chan []byte,
timeMsgWasSent time.Time,
timeOut time.Duration,
msgAnswer []byte,
) {
if time.Since(timeMsgWasSent) > timeOut {
log.Println("CPE took too long to answer the request, the message will be discarded")
} else {
callback <- msgAnswer
}
}

1
backend/services/acs/internal/server/handler/handler.go
View File

@ -16,6 +16,7 @@ type Request struct {
User string
Password string
CwmpMsg []byte
Time time.Time
Callback chan []byte
}