X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=pkg%2Fcontrol%2Fe2ap.go;h=5cabe6e88e5c4500e8986e9f1c06ad0b86fe975b;hb=86a462083a043a01f499610209ba7a1b6ee8d652;hp=ff9c778ef777f17265304bf4642422276cbf90ff;hpb=4511475f03107eb53c88545649898e3cfbcc2765;p=ric-plt%2Fsubmgr.git diff --git a/pkg/control/e2ap.go b/pkg/control/e2ap.go index ff9c778..5cabe6e 100644 --- a/pkg/control/e2ap.go +++ b/pkg/control/e2ap.go @@ -19,66 +19,232 @@ package control +/* +#include + +#cgo LDFLAGS: -le2ap_wrapper -le2ap +*/ +import "C" + import ( - "encoding/gob" - "bytes" - "errors" + "fmt" + "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap" + "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap_wrapper" + "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/packer" + "unsafe" ) +var packerif e2ap.E2APPackerIf = e2ap_wrapper.NewAsn1E2Packer() + 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 +/* RICsubscriptionRequest */ + +// Used by submgr, xapp test stub +func (c *E2ap) GetSubscriptionResponseSequenceNumber(payload []byte) (subId 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, fmt.Errorf("e2ap wrapper is unable to get Subscirption Response Sequence Number due to wrong or invalid payload. Erroxappde: %v", cret) + } + subId = uint16(cret) + return } -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 +// Used by e2t test stub +func (c *E2ap) SetSubscriptionResponseSequenceNumber(payload []byte, newSubscriptionid uint16) (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 fmt.Errorf("e2ap wrapper is unable to set Subscription Response Sequence Number due to wrong or invalid payload. Erroxappde: %v", size) + } + return } +/* RICsubscriptionDeleteRequest */ -func (c *E2ap) GetPayloadContent(payload []byte) (content string, err error) { - asn1 := new(Asn1) - message, err := asn1.Decode(payload) - content = message.Content - return +// Used by submgr, e2t test stub +func (c *E2ap) GetSubscriptionDeleteRequestSequenceNumber(payload []byte) (subId uint16, err error) { + cptr := unsafe.Pointer(&payload[0]) + cret := C.e2ap_get_ric_subscription_delete_request_sequence_number(cptr, C.size_t(len(payload))) + if cret < 0 { + return 0, fmt.Errorf("e2ap wrapper is unable to get Subscirption Delete Request Sequence Number due to wrong or invalid payload. Erroxappde: %v", cret) + } + subId = uint16(cret) + return } -/* -Serialize and Deserialize message using this until real ASN1 GO wrapper is not in place -*/ -type Asn1 struct { + +// Used by xapp test stub +func (c *E2ap) SetSubscriptionDeleteRequestSequenceNumber(payload []byte, newSubscriptionid uint16) (err error) { + cptr := unsafe.Pointer(&payload[0]) + size := C.e2ap_set_ric_subscription_delete_request_sequence_number(cptr, C.size_t(len(payload)), C.long(newSubscriptionid)) + if size < 0 { + return fmt.Errorf("e2ap wrapper is unable to set Subscription Delete Request Sequence Number due to wrong or invalid payload. Erroxappde: %v", size) + } + return +} + +/* RICsubscriptionDeleteResponse */ + +// Used by submgr, e2t test stub +func (c *E2ap) GetSubscriptionDeleteResponseSequenceNumber(payload []byte) (subId uint16, err error) { + cptr := unsafe.Pointer(&payload[0]) + cret := C.e2ap_get_ric_subscription_delete_response_sequence_number(cptr, C.size_t(len(payload))) + if cret < 0 { + return 0, fmt.Errorf("e2ap wrapper is unable to get Subscirption Delete Response Sequence Number due to wrong or invalid payload. Erroxappde: %v", cret) + } + subId = uint16(cret) + return +} + +// Used by e2t test stub +func (c *E2ap) SetSubscriptionDeleteResponseSequenceNumber(payload []byte, newSubscriptionid uint16) (err error) { + cptr := unsafe.Pointer(&payload[0]) + size := C.e2ap_set_ric_subscription_delete_response_sequence_number(cptr, C.size_t(len(payload)), C.long(newSubscriptionid)) + if size < 0 { + return fmt.Errorf("e2ap wrapper is unable to set Subscription Delete Response Sequence Number due to wrong or invalid payload. Erroxappde: %v", size) + } + return +} + +/* RICsubscriptionRequestFailure */ + +// Used by submgr +func (c *E2ap) GetSubscriptionFailureSequenceNumber(payload []byte) (subId uint16, err error) { + cptr := unsafe.Pointer(&payload[0]) + cret := C.e2ap_get_ric_subscription_failure_sequence_number(cptr, C.size_t(len(payload))) + if cret < 0 { + return 0, fmt.Errorf("e2ap wrapper is unable to get Subscirption Failure Sequence Number due to wrong or invalid payload. Erroxappde: %v", cret) + } + subId = uint16(cret) + return +} + +// Used by e2t test stub +func (c *E2ap) SetSubscriptionFailureSequenceNumber(payload []byte, newSubscriptionid uint16) (err error) { + cptr := unsafe.Pointer(&payload[0]) + size := C.e2ap_set_ric_subscription_failure_sequence_number(cptr, C.size_t(len(payload)), C.long(newSubscriptionid)) + if size < 0 { + return fmt.Errorf("e2ap wrapper is unable to set Subscription Failure Sequence Number due to wrong or invalid payload. Erroxappde: %v", size) + } + return +} + +/* RICsubscriptionDeleteFailure */ + +// Used by submgr +func (c *E2ap) GetSubscriptionDeleteFailureSequenceNumber(payload []byte) (subId uint16, err error) { + cptr := unsafe.Pointer(&payload[0]) + cret := C.e2ap_get_ric_subscription_delete_failure_sequence_number(cptr, C.size_t(len(payload))) + if cret < 0 { + return 0, fmt.Errorf("e2ap wrapper is unable to get Subscirption Delete Failure Sequence Number due to wrong or invalid payload. Erroxappde: %v", cret) + } + subId = uint16(cret) + return +} + +// Used by submgr +func (c *E2ap) SetSubscriptionDeleteFailureSequenceNumber(payload []byte, newSubscriptionid uint16) (err error) { + cptr := unsafe.Pointer(&payload[0]) + size := C.e2ap_set_ric_subscription_delete_failure_sequence_number(cptr, C.size_t(len(payload)), C.long(newSubscriptionid)) + if size < 0 { + return fmt.Errorf("e2ap wrapper is unable to set Subscription Delete Failure Sequence Number due to wrong or invalid payload. Erroxappde: %v", size) + } + return +} + +// Used by submgr +func (c *E2ap) PackSubscriptionDeleteResponseFromSubDelReq(payload []byte, newSubscriptionid uint16) (newPayload []byte, err error) { + + subDelReq, err := c.UnpackSubscriptionDeleteRequest(payload) + if err != nil { + return make([]byte, 0), fmt.Errorf("PackSubDelRespFromSubDelReq: SubDelReq unpack failed: %s", err.Error()) + } + + subDelResp := &e2ap.E2APSubscriptionDeleteResponse{} + subDelResp.RequestId.Id = subDelReq.RequestId.Id + subDelResp.RequestId.Seq = uint32(newSubscriptionid) + subDelResp.FunctionId = subDelReq.FunctionId + + packedData, err := c.PackSubscriptionDeleteResponse(subDelResp) + if err != nil { + return make([]byte, 0), fmt.Errorf("PackSubDelRespFromSubDelReq: SubDelResp pack failed: %s", err.Error()) + } + return packedData.Buf, nil } -func (a *Asn1) Encode(message RmrPayload) ([]byte, error) { - buffer := new(bytes.Buffer) - asn1 := gob.NewEncoder(buffer) - if err := asn1.Encode(message); err != nil { +//----------------------------------------------------------------------------- +// +//----------------------------------------------------------------------------- +func (c *E2ap) UnpackSubscriptionRequest(payload []byte) (*e2ap.E2APSubscriptionRequest, error) { + e2SubReq := packerif.NewPackerSubscriptionRequest() + packedData := &packer.PackedData{} + packedData.Buf = payload + err := e2SubReq.UnPack(packedData) + if err != nil { + return nil, err + } + err, subReq := e2SubReq.Get() + if err != nil { + return nil, err + } + return subReq, nil +} + +func (c *E2ap) PackSubscriptionRequest(req *e2ap.E2APSubscriptionRequest) (*packer.PackedData, error) { + e2SubReq := packerif.NewPackerSubscriptionRequest() + err := e2SubReq.Set(req) + if err != nil { + return nil, err + } + err, packedData := e2SubReq.Pack(nil) + if err != nil { + return nil, err + } + return packedData, nil +} + +//----------------------------------------------------------------------------- +// +//----------------------------------------------------------------------------- +func (c *E2ap) UnpackSubscriptionDeleteRequest(payload []byte) (*e2ap.E2APSubscriptionDeleteRequest, error) { + e2SubDelReq := packerif.NewPackerSubscriptionDeleteRequest() + packedData := &packer.PackedData{} + packedData.Buf = payload + err := e2SubDelReq.UnPack(packedData) + if err != nil { + return nil, err + } + err, subReq := e2SubDelReq.Get() + if err != nil { + return nil, err + } + return subReq, nil +} + +func (c *E2ap) PackSubscriptionDeleteRequest(req *e2ap.E2APSubscriptionDeleteRequest) (*packer.PackedData, error) { + e2SubDelReq := packerif.NewPackerSubscriptionDeleteRequest() + err := e2SubDelReq.Set(req) + if err != nil { + return nil, err + } + err, packedData := e2SubDelReq.Pack(nil) + if err != nil { + return nil, err + } + return packedData, nil +} + +func (c *E2ap) PackSubscriptionDeleteResponse(req *e2ap.E2APSubscriptionDeleteResponse) (*packer.PackedData, error) { + e2SubDelResp := packerif.NewPackerSubscriptionDeleteResponse() + err := e2SubDelResp.Set(req) + if err != nil { + return nil, err + } + err, packedData := e2SubDelResp.Pack(nil) + if err != nil { return nil, err - } - return buffer.Bytes(), nil -} - -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 + } + return packedData, nil }