tailcfg: add accumulator API
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>pull/5922/head
parent
3555a49518
commit
31d7ab09a6
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@ -241,6 +241,15 @@ type Node struct {
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// DataPlaneAuditLogID is the per-node logtail ID used for data plane audit logging.
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DataPlaneAuditLogID string `json:",omitempty"`
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// Accumulators are scoped accumulator values allocated to this node.
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Accumulators []Accumulator `json:",omitempty"`
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}
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// Accumulator is a scoped monotonically-increasing accumulator value.
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type Accumulator struct {
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Scope string // default scope is "*"
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Accumulator uint64 // allocated values are greater than zero
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}
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// DisplayName returns the user-facing name for a node which should
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@ -513,6 +522,7 @@ type Hostinfo struct {
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Cloud string `json:",omitempty"`
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Userspace opt.Bool `json:",omitempty"` // if the client is running in userspace (netstack) mode
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UserspaceRouter opt.Bool `json:",omitempty"` // if the client's subnet router is running in userspace (netstack) mode
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Accumulator opt.Bool `json:",omitempty"` // node participates in tailnet accumulator store
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// NOTE: any new fields containing pointers in this type
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// require changes to Hostinfo.Equal.
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@ -1391,6 +1401,10 @@ type MapResponse struct {
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// server. An initial nil is equivalent to new(ControlDialPlan).
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// A subsequent streamed nil means no change.
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ControlDialPlan *ControlDialPlan `json:",omitempty"`
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// MaxAccumulator is the maximum accumulator allocated in this
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// tailnet for each scope.
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MaxAccumulators []Accumulator `json:",omitempty"`
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}
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// ControlDialPlan is instructions from the control server to the client on how
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@ -1557,7 +1571,8 @@ func (n *Node) Equal(n2 *Node) bool {
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n.ComputedName == n2.ComputedName &&
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n.computedHostIfDifferent == n2.computedHostIfDifferent &&
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n.ComputedNameWithHost == n2.ComputedNameWithHost &&
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eqStrings(n.Tags, n2.Tags)
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eqStrings(n.Tags, n2.Tags) &&
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eqAccumulators(n.Accumulators, n2.Accumulators)
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}
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func eqBoolPtr(a, b *bool) bool {
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@ -1571,6 +1586,18 @@ func eqBoolPtr(a, b *bool) bool {
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}
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func eqAccumulators(a, b []Accumulator) bool {
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if len(a) != len(b) || ((a == nil) != (b == nil)) {
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return false
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}
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for i, v := range a {
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if v != b[i] {
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return false
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}
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}
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return true
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}
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func eqStrings(a, b []string) bool {
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if len(a) != len(b) || ((a == nil) != (b == nil)) {
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return false
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@ -1846,6 +1873,25 @@ type OverTLSPublicKeyResponse struct {
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PublicKey key.MachinePublic `json:"publicKey"`
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}
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// AccumulatorRequest requests the accumulator for a scope be incremented.
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//
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// It is JSON-encoded and sent over Noise to "/machine/accumulator".
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type AccumulatorRequest struct {
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CapVersion CapabilityVersion // the clients' current CapabilityVersion
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NodeKey key.NodePublic // the client's current node key
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Scope string // always "*" for now
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CurValue uint64
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// ToValue, if set, means the node does not want to bump the
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// MaxAccumulator, but has upgraded its own local state to ToValue.
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ToValue uint64 `json:",omitempty"`
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}
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// An AccumulatorResponse is the response to an AccumulatorRequest,
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// it is sent when the value is successfully incremented.
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type AccumulatorResponse struct {
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NewValue uint64
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}
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// TokenRequest is a request to get an OIDC ID token for an audience.
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// The token can be presented to any resource provider which offers OIDC
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// Federation.
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@ -64,6 +64,7 @@ func (src *Node) Clone() *Node {
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*dst.Online = *src.Online
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}
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dst.Capabilities = append(src.Capabilities[:0:0], src.Capabilities...)
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dst.Accumulators = append(src.Accumulators[:0:0], src.Accumulators...)
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return dst
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}
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@ -96,6 +97,7 @@ var _NodeCloneNeedsRegeneration = Node(struct {
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computedHostIfDifferent string
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ComputedNameWithHost string
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DataPlaneAuditLogID string
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Accumulators []Accumulator
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}{})
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// Clone makes a deep copy of Hostinfo.
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@ -143,6 +145,7 @@ var _HostinfoCloneNeedsRegeneration = Hostinfo(struct {
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Cloud string
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Userspace opt.Bool
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UserspaceRouter opt.Bool
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Accumulator opt.Bool
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}{})
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// Clone makes a deep copy of NetInfo.
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@ -58,6 +58,7 @@ func TestHostinfoEqual(t *testing.T) {
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"Cloud",
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"Userspace",
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"UserspaceRouter",
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"Accumulator",
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}
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if have := fieldsOf(reflect.TypeOf(Hostinfo{})); !reflect.DeepEqual(have, hiHandles) {
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t.Errorf("Hostinfo.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
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@ -333,6 +334,7 @@ func TestNodeEqual(t *testing.T) {
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"Capabilities",
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"ComputedName", "computedHostIfDifferent", "ComputedNameWithHost",
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"DataPlaneAuditLogID",
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"Accumulators",
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}
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if have := fieldsOf(reflect.TypeOf(Node{})); !reflect.DeepEqual(have, nodeHandles) {
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t.Errorf("Node.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
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@ -168,13 +168,14 @@ func (v NodeView) Online() *bool {
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return &x
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}
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func (v NodeView) KeepAlive() bool { return v.ж.KeepAlive }
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func (v NodeView) MachineAuthorized() bool { return v.ж.MachineAuthorized }
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func (v NodeView) Capabilities() views.Slice[string] { return views.SliceOf(v.ж.Capabilities) }
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func (v NodeView) ComputedName() string { return v.ж.ComputedName }
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func (v NodeView) ComputedNameWithHost() string { return v.ж.ComputedNameWithHost }
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func (v NodeView) DataPlaneAuditLogID() string { return v.ж.DataPlaneAuditLogID }
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func (v NodeView) Equal(v2 NodeView) bool { return v.ж.Equal(v2.ж) }
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func (v NodeView) KeepAlive() bool { return v.ж.KeepAlive }
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func (v NodeView) MachineAuthorized() bool { return v.ж.MachineAuthorized }
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func (v NodeView) Capabilities() views.Slice[string] { return views.SliceOf(v.ж.Capabilities) }
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func (v NodeView) ComputedName() string { return v.ж.ComputedName }
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func (v NodeView) ComputedNameWithHost() string { return v.ж.ComputedNameWithHost }
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func (v NodeView) DataPlaneAuditLogID() string { return v.ж.DataPlaneAuditLogID }
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func (v NodeView) Accumulators() views.Slice[Accumulator] { return views.SliceOf(v.ж.Accumulators) }
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func (v NodeView) Equal(v2 NodeView) bool { return v.ж.Equal(v2.ж) }
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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var _NodeViewNeedsRegeneration = Node(struct {
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@ -205,6 +206,7 @@ var _NodeViewNeedsRegeneration = Node(struct {
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computedHostIfDifferent string
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ComputedNameWithHost string
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DataPlaneAuditLogID string
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Accumulators []Accumulator
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}{})
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// View returns a readonly view of Hostinfo.
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@ -281,6 +283,7 @@ func (v HostinfoView) SSH_HostKeys() views.Slice[string] { return views.SliceOf(
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func (v HostinfoView) Cloud() string { return v.ж.Cloud }
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func (v HostinfoView) Userspace() opt.Bool { return v.ж.Userspace }
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func (v HostinfoView) UserspaceRouter() opt.Bool { return v.ж.UserspaceRouter }
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func (v HostinfoView) Accumulator() opt.Bool { return v.ж.Accumulator }
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func (v HostinfoView) Equal(v2 HostinfoView) bool { return v.ж.Equal(v2.ж) }
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// A compilation failure here means this code must be regenerated, with the command at the top of this file.
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@ -312,6 +315,7 @@ var _HostinfoViewNeedsRegeneration = Hostinfo(struct {
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Cloud string
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Userspace opt.Bool
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UserspaceRouter opt.Bool
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Accumulator opt.Bool
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}{})
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// View returns a readonly view of NetInfo.
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@ -575,7 +575,7 @@ func TestGetTypeHasher(t *testing.T) {
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{
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name: "tailcfg.Node",
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val: &tailcfg.Node{},
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out: "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\tn\x88\xf1\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\tn\x88\xf1\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
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out: "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\tn\x88\xf1\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\tn\x88\xf1\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
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},
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}
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for _, tt := range tests {
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@ -594,7 +594,7 @@ func TestGetTypeHasher(t *testing.T) {
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}
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h.sum()
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if got := string(hb.B); got != tt.out {
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t.Fatalf("got %q; want %q", got, tt.out)
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t.Fatalf("\n got %q;\nwant %q", got, tt.out)
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}
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})
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}
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