push code back with legal issues fix
Change-Id: I0fb323d1dedea5c1c219949684031430e7f7455e
Signed-off-by: ss412g <shuky.har-noy@intl.att.com>
diff --git a/E2Manager/handlers/x2apPdu_asn1_unpacker.go b/E2Manager/handlers/x2apPdu_asn1_unpacker.go
new file mode 100644
index 0000000..89ec216
--- /dev/null
+++ b/E2Manager/handlers/x2apPdu_asn1_unpacker.go
@@ -0,0 +1,77 @@
+//
+// Copyright 2019 AT&T Intellectual Property
+// Copyright 2019 Nokia
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package handlers
+
+// #cgo CFLAGS: -I../asn1codec/inc/ -I../asn1codec/e2ap_engine/
+// #cgo LDFLAGS: -L ../asn1codec/lib/ -L../asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
+// #include <asn1codec_utils.h>
+// #include <x2setup_request_wrapper.h>
+import "C"
+import (
+ "e2mgr/logger"
+ "fmt"
+ "github.com/pkg/errors"
+ "unsafe"
+)
+
+type X2PduRefinedResponse struct {
+ pduPrint string
+}
+
+func unpackX2apPdu(logger *logger.Logger, allocationBufferSize int, packedBufferSize int, packedBuf []byte, maxMessageBufferSize int) (*C.E2AP_PDU_t, error) {
+ pdu := C.new_pdu(C.ulong(allocationBufferSize))
+
+ if pdu == nil {
+ return nil, errors.New("allocation failure (pdu)")
+ }
+
+ logger.Infof("#x2apPdu_asn1_unpacker.unpackX2apPdu - Packed pdu(%d):%x", packedBufferSize, packedBuf)
+
+ errBuf := make([]C.char, maxMessageBufferSize)
+ if !C.per_unpack_pdu(pdu, C.ulong(packedBufferSize), (*C.uchar)(unsafe.Pointer(&packedBuf[0])), C.ulong(len(errBuf)), &errBuf[0]) {
+ return nil, errors.New(fmt.Sprintf("unpacking error: %s", C.GoString(&errBuf[0])))
+ }
+
+ if logger.DebugEnabled() {
+ C.asn1_pdu_printer(pdu, C.size_t(len(errBuf)), &errBuf[0])
+ logger.Debugf("#x2apPdu_asn1_unpacker.unpackX2apPdu - PDU: %v packed size:%d", C.GoString(&errBuf[0]), packedBufferSize)
+ }
+
+ return pdu, nil
+}
+
+func unpackX2apPduAndRefine(logger *logger.Logger, allocationBufferSize int, packedBufferSize int, packedBuf []byte, maxMessageBufferSize int) (*X2PduRefinedResponse, error) {
+ pdu, err := unpackX2apPdu(logger, allocationBufferSize, packedBufferSize, packedBuf, maxMessageBufferSize)
+ if err != nil {
+ return nil, err
+ }
+
+ defer C.delete_pdu(pdu)
+
+ var refinedResponse = ""
+ if logger.DebugEnabled() {
+ buf := make([]C.char, 16*maxMessageBufferSize)
+ C.asn1_pdu_printer(pdu, C.size_t(len(buf)), &buf[0])
+ refinedResponse = C.GoString(&buf[0])
+ }
+
+ return &X2PduRefinedResponse{pduPrint: refinedResponse}, nil
+}
+
+
+