X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=pkg%2Fcontrol%2Fe2ap.go;h=c6b5e285f453fdaba19ab5b9160bceff45739539;hb=fbc56f981b7bd3387f7326401ceccbf31893a2ed;hp=ff9c778ef777f17265304bf4642422276cbf90ff;hpb=303e57cbddf5d0d5e77e2bf7ec60643fcf525419;p=ric-plt%2Fsubmgr.git diff --git a/pkg/control/e2ap.go b/pkg/control/e2ap.go index ff9c778..c6b5e28 100644 --- a/pkg/control/e2ap.go +++ b/pkg/control/e2ap.go @@ -19,66 +19,57 @@ package control +/* +#include + +#cgo LDFLAGS: -lwrapper +*/ +import "C" + import ( - "encoding/gob" - "bytes" - "errors" + "errors" + "unsafe" ) type E2ap struct { } -func (c *E2ap) GetSubscriptionSequenceNumber(payload []byte) (int, error) { - asn1 := new(Asn1) - message, err := asn1.Decode(payload) - if err != nil { - return 0, errors.New("Unable to decode payload due to "+ err.Error()) - } - return message.SubscriptionId, nil -} - -func (c *E2ap) SetSubscriptionSequenceNumber(payload []byte, newSubscriptionid int) ([]byte ,error) { - asn1 := new(Asn1) - message, err := asn1.Decode(payload) - if err != nil { - return make([]byte,0), errors.New("Unable to decode payload due to "+ err.Error()) - } - message.SubscriptionId = newSubscriptionid - payload, err = asn1.Encode(message) - if err != nil { - return make([]byte,0), errors.New("Unable to encode message due to "+ err.Error()) - } - return payload, nil +func (c *E2ap) GetSubscriptionRequestSequenceNumber(payload []byte) (sub_id uint16, err error) { + cptr := unsafe.Pointer(&payload[0]) + cret := C.e2ap_get_ric_subscription_request_sequence_number(cptr, C.size_t(len(payload))) + if cret < 0 { + return 0, errors.New("e2ap wrapper is unable to get Subscirption Request Sequence Number due to wrong or invalid payload") + } + sub_id = uint16(cret) + return } - -func (c *E2ap) GetPayloadContent(payload []byte) (content string, err error) { - asn1 := new(Asn1) - message, err := asn1.Decode(payload) - content = message.Content - return -} -/* -Serialize and Deserialize message using this until real ASN1 GO wrapper is not in place -*/ -type Asn1 struct { +func (c *E2ap) SetSubscriptionRequestSequenceNumber(payload []byte, newSubscriptionid uint16) (new_payload []byte, err error) { + cptr := unsafe.Pointer(&payload[0]) + size := C.e2ap_set_ric_subscription_request_sequence_number(cptr, C.size_t(len(payload)), C.long(newSubscriptionid)) + if size < 0 { + return make([]byte, 0), errors.New("e2ap wrapper is unable to set Subscirption Request Sequence Number due to wrong or invalid payload") + } + new_payload = C.GoBytes(cptr, C.int(size)) + return } -func (a *Asn1) Encode(message RmrPayload) ([]byte, error) { - buffer := new(bytes.Buffer) - asn1 := gob.NewEncoder(buffer) - if err := asn1.Encode(message); err != nil { - return nil, err - } - return buffer.Bytes(), nil +func (c *E2ap) GetSubscriptionResponseSequenceNumber(payload []byte) (sub_id uint16, err error) { + cptr := unsafe.Pointer(&payload[0]) + cret := C.e2ap_get_ric_subscription_response_sequence_number(cptr, C.size_t(len(payload))) + if cret < 0 { + return 0, errors.New("e2ap wrapper is unable to get Subscirption Response Sequence Number due to wrong or invalid payload") + } + sub_id = uint16(cret) + return } -func (a *Asn1) Decode(data []byte) (RmrPayload, error) { - message := new(RmrPayload) - buffer := bytes.NewBuffer(data) - asn1 := gob.NewDecoder(buffer) - if err := asn1.Decode(message); err != nil { - return RmrPayload{}, err - } - return *message, nil +func (c *E2ap) SetSubscriptionResponseSequenceNumber(payload []byte, newSubscriptionid uint16) (new_payload []byte, err error) { + cptr := unsafe.Pointer(&payload[0]) + size := C.e2ap_set_ric_subscription_response_sequence_number(cptr, C.size_t(len(payload)), C.long(newSubscriptionid)) + if size < 0 { + return make([]byte, 0), errors.New("e2ap wrapper is unable to set Subscirption Reponse Sequence Number due to wrong or invalid payload") + } + new_payload = C.GoBytes(cptr, C.int(size)) + return }