mirror of
https://github.com/ceph/ceph-csi.git
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f87d06ed85
Several packages are only used while running the e2e suite. These packages are less important to update, as the they can not influence the final executable that is part of the Ceph-CSI container-image. By moving these dependencies out of the main Ceph-CSI go.mod, it is easier to identify if a reported CVE affects Ceph-CSI, or only the testing (like most of the Kubernetes CVEs). Signed-off-by: Niels de Vos <ndevos@ibm.com>
67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package proto
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import (
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"reflect"
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"google.golang.org/protobuf/reflect/protoreflect"
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"google.golang.org/protobuf/runtime/protoiface"
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)
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// Equal reports whether two messages are equal,
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// by recursively comparing the fields of the message.
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//
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// - Bytes fields are equal if they contain identical bytes.
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// Empty bytes (regardless of nil-ness) are considered equal.
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//
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// - Floating-point fields are equal if they contain the same value.
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// Unlike the == operator, a NaN is equal to another NaN.
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//
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// - Other scalar fields are equal if they contain the same value.
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//
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// - Message fields are equal if they have
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// the same set of populated known and extension field values, and
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// the same set of unknown fields values.
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//
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// - Lists are equal if they are the same length and
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// each corresponding element is equal.
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//
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// - Maps are equal if they have the same set of keys and
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// the corresponding value for each key is equal.
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//
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// An invalid message is not equal to a valid message.
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// An invalid message is only equal to another invalid message of the
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// same type. An invalid message often corresponds to a nil pointer
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// of the concrete message type. For example, (*pb.M)(nil) is not equal
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// to &pb.M{}.
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// If two valid messages marshal to the same bytes under deterministic
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// serialization, then Equal is guaranteed to report true.
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func Equal(x, y Message) bool {
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if x == nil || y == nil {
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return x == nil && y == nil
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}
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if reflect.TypeOf(x).Kind() == reflect.Ptr && x == y {
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// Avoid an expensive comparison if both inputs are identical pointers.
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return true
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}
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mx := x.ProtoReflect()
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my := y.ProtoReflect()
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if mx.IsValid() != my.IsValid() {
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return false
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}
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// Only one of the messages needs to implement the fast-path for it to work.
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pmx := protoMethods(mx)
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pmy := protoMethods(my)
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if pmx != nil && pmy != nil && pmx.Equal != nil && pmy.Equal != nil {
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return pmx.Equal(protoiface.EqualInput{MessageA: mx, MessageB: my}).Equal
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}
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vx := protoreflect.ValueOfMessage(mx)
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vy := protoreflect.ValueOfMessage(my)
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return vx.Equal(vy)
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}
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