1 files changed, 0 insertions, 69 deletions
diff --git a/pkg/flipcall/flipcall_unsafe.go b/pkg/flipcall/flipcall_unsafe.go
deleted file mode 100644
index 73e6eef29..000000000
--- a/pkg/flipcall/flipcall_unsafe.go
+++ /dev/null
@@ -1,69 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// 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 flipcall
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-// Packets consist of a 16-byte header followed by an arbitrarily-sized
-// datagram. The header consists of:
-//
-// - A 4-byte native-endian connection state.
-//
-// - A 4-byte native-endian datagram length in bytes.
-//
-// - 8 reserved bytes.
-const (
-	// PacketHeaderBytes is the size of a flipcall packet header in bytes. The
-	// maximum datagram size supported by a flipcall connection is equal to the
-	// length of the packet window minus PacketHeaderBytes.
-	//
-	// PacketHeaderBytes is exported to support its use in constant
-	// expressions. Non-constant expressions may prefer to use
-	// PacketWindowLengthForDataCap().
-	PacketHeaderBytes = 16
-)
-
-func (ep *Endpoint) connState() *uint32 {
-	return (*uint32)((unsafe.Pointer)(ep.packet))
-}
-
-func (ep *Endpoint) dataLen() *uint32 {
-	return (*uint32)((unsafe.Pointer)(ep.packet + 4))
-}
-
-// Data returns the datagram part of ep's packet window as a byte slice.
-//
-// Note that the packet window is shared with the potentially-untrusted peer
-// Endpoint, which may concurrently mutate the contents of the packet window.
-// Thus:
-//
-// - Readers must not assume that two reads of the same byte in Data() will
-// return the same result. In other words, readers should read any given byte
-// in Data() at most once.
-//
-// - Writers must not assume that they will read back the same data that they
-// have written. In other words, writers should avoid reading from Data() at
-// all.
-func (ep *Endpoint) Data() []byte {
-	var bs []byte
-	bsReflect := (*reflect.SliceHeader)((unsafe.Pointer)(&bs))
-	bsReflect.Data = ep.packet + PacketHeaderBytes
-	bsReflect.Len = int(ep.dataCap)
-	bsReflect.Cap = int(ep.dataCap)
-	return bs
-}