Refactor (De)SerializeSessionDescription as common utils

client/lib/util.go

@@ -1,11 +1,8 @@
 package lib
 
 import (
-	"encoding/json"
 	"log"
 	"time"
-
-	"github.com/pion/webrtc/v2"
 )
 
 const (
@@ -86,52 +83,3 @@ func (b *BytesSyncLogger) AddInbound(amount int) {
 	}
 	b.InboundChan <- amount
 }
-func deserializeSessionDescription(msg string) *webrtc.SessionDescription {
-	var parsed map[string]interface{}
-	err := json.Unmarshal([]byte(msg), &parsed)
-	if nil != err {
-		log.Println(err)
-		return nil
-	}
-	if _, ok := parsed["type"]; !ok {
-		log.Println("Cannot deserialize SessionDescription without type field.")
-		return nil
-	}
-	if _, ok := parsed["sdp"]; !ok {
-		log.Println("Cannot deserialize SessionDescription without sdp field.")
-		return nil
-	}
-
-	var stype webrtc.SDPType
-	switch parsed["type"].(string) {
-	default:
-		log.Println("Unknown SDP type")
-		return nil
-	case "offer":
-		stype = webrtc.SDPTypeOffer
-	case "pranswer":
-		stype = webrtc.SDPTypePranswer
-	case "answer":
-		stype = webrtc.SDPTypeAnswer
-	case "rollback":
-		stype = webrtc.SDPTypeRollback
-	}
-
-	if err != nil {
-		log.Println(err)
-		return nil
-	}
-	return &webrtc.SessionDescription{
-		Type: stype,
-		SDP:  parsed["sdp"].(string),
-	}
-}
-
-func serializeSessionDescription(desc *webrtc.SessionDescription) string {
-	bytes, err := json.Marshal(*desc)
-	if nil != err {
-		log.Println(err)
-		return ""
-	}
-	return string(bytes)
-}