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crudcomponent.go
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crudcomponent.go
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package gocbcore
import (
"encoding/binary"
"time"
"github.com/couchbase/gocbcore/v10/memd"
)
type crudComponent struct {
cidMgr *collectionsComponent
defaultRetryStrategy RetryStrategy
tracer *tracerComponent
errMapManager *errMapComponent
featureVerifier bucketCapabilityVerifier
clientProvider clientProvider
disableDecompression bool
}
func newCRUDComponent(cidMgr *collectionsComponent, defaultRetryStrategy RetryStrategy, tracerCmpt *tracerComponent,
errMapManager *errMapComponent, featureVerifier bucketCapabilityVerifier, clientProvider clientProvider,
disableDecompression bool) *crudComponent {
return &crudComponent{
cidMgr: cidMgr,
defaultRetryStrategy: defaultRetryStrategy,
tracer: tracerCmpt,
errMapManager: errMapManager,
featureVerifier: featureVerifier,
disableDecompression: disableDecompression,
clientProvider: clientProvider,
}
}
func (crud *crudComponent) Get(opts GetOptions, cb GetCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "Get", opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
if len(resp.Extras) != 4 {
tracer.Finish()
cb(nil, errProtocol)
return
}
res := GetResult{}
res.Value = resp.Value
res.Flags = binary.BigEndian.Uint32(resp.Extras[0:])
res.Cas = Cas(resp.Cas)
res.Datatype = resp.Datatype
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(&res, nil)
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: memd.CmdGet,
Datatype: 0,
Cas: 0,
Extras: nil,
Key: opts.Key,
Value: nil,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, "Get", errUnambiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) GetAndTouch(opts GetAndTouchOptions, cb GetAndTouchCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "GetAndTouch", opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
if len(resp.Extras) != 4 {
tracer.Finish()
cb(nil, errProtocol)
return
}
flags := binary.BigEndian.Uint32(resp.Extras[0:])
res := &GetAndTouchResult{
Value: resp.Value,
Flags: flags,
Cas: Cas(resp.Cas),
Datatype: resp.Datatype,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
extraBuf := make([]byte, 4)
binary.BigEndian.PutUint32(extraBuf[0:], opts.Expiry)
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: memd.CmdGAT,
Datatype: 0,
Cas: 0,
Extras: extraBuf,
Key: opts.Key,
Value: nil,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, "GetAndTouch", errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) GetAndLock(opts GetAndLockOptions, cb GetAndLockCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "GetAndLock", opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
if len(resp.Extras) != 4 {
tracer.Finish()
cb(nil, errProtocol)
return
}
flags := binary.BigEndian.Uint32(resp.Extras[0:])
res := &GetAndLockResult{
Value: resp.Value,
Flags: flags,
Cas: Cas(resp.Cas),
Datatype: resp.Datatype,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
extraBuf := make([]byte, 4)
binary.BigEndian.PutUint32(extraBuf[0:], opts.LockTime)
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: memd.CmdGetLocked,
Datatype: 0,
Cas: 0,
Extras: extraBuf,
Key: opts.Key,
Value: nil,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, "GetAndLock", errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) GetOneReplica(opts GetOneReplicaOptions, cb GetReplicaCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "GetOneReplica", opts.TraceContext)
if opts.ReplicaIdx <= 0 {
tracer.Finish()
return nil, errInvalidReplica
}
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
if len(resp.Extras) != 4 {
tracer.Finish()
cb(nil, errProtocol)
return
}
flags := binary.BigEndian.Uint32(resp.Extras[0:])
res := &GetReplicaResult{
Value: resp.Value,
Flags: flags,
Cas: Cas(resp.Cas),
Datatype: resp.Datatype,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: memd.CmdGetReplica,
Datatype: 0,
Cas: 0,
Extras: nil,
Key: opts.Key,
Value: nil,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
ReplicaIdx: opts.ReplicaIdx,
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
ServerGroup: opts.ServerGroup,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, "GetOneReplica", errUnambiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) Touch(opts TouchOptions, cb TouchCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "Touch", opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
mutToken := MutationToken{}
if len(resp.Extras) >= 16 {
mutToken.VbID = req.Vbucket
mutToken.VbUUID = VbUUID(binary.BigEndian.Uint64(resp.Extras[0:]))
mutToken.SeqNo = SeqNo(binary.BigEndian.Uint64(resp.Extras[8:]))
}
res := &TouchResult{
Cas: Cas(resp.Cas),
MutationToken: mutToken,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
extraBuf := make([]byte, 4)
binary.BigEndian.PutUint32(extraBuf[0:], opts.Expiry)
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: memd.CmdTouch,
Datatype: 0,
Cas: 0,
Extras: extraBuf,
Key: opts.Key,
Value: nil,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, "Touch", errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) Unlock(opts UnlockOptions, cb UnlockCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "Unlock", opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
mutToken := MutationToken{}
if len(resp.Extras) >= 16 {
mutToken.VbID = req.Vbucket
mutToken.VbUUID = VbUUID(binary.BigEndian.Uint64(resp.Extras[0:]))
mutToken.SeqNo = SeqNo(binary.BigEndian.Uint64(resp.Extras[8:]))
}
res := &UnlockResult{
Cas: Cas(resp.Cas),
MutationToken: mutToken,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: memd.CmdUnlockKey,
Datatype: 0,
Cas: uint64(opts.Cas),
Extras: nil,
Key: opts.Key,
Value: nil,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, "Unlock", errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) Delete(opts DeleteOptions, cb DeleteCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "Delete", opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
mutToken := MutationToken{}
if len(resp.Extras) >= 16 {
mutToken.VbID = req.Vbucket
mutToken.VbUUID = VbUUID(binary.BigEndian.Uint64(resp.Extras[0:]))
mutToken.SeqNo = SeqNo(binary.BigEndian.Uint64(resp.Extras[8:]))
}
res := &DeleteResult{
Cas: Cas(resp.Cas),
MutationToken: mutToken,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var duraLevelFrame *memd.DurabilityLevelFrame
var duraTimeoutFrame *memd.DurabilityTimeoutFrame
if opts.DurabilityLevel > 0 {
if crud.featureVerifier.HasBucketCapabilityStatus(BucketCapabilityDurableWrites, CapabilityStatusUnsupported) {
return nil, errFeatureNotAvailable
}
duraLevelFrame = &memd.DurabilityLevelFrame{
DurabilityLevel: opts.DurabilityLevel,
}
duraTimeoutFrame = &memd.DurabilityTimeoutFrame{
DurabilityTimeout: opts.DurabilityLevelTimeout,
}
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: memd.CmdDelete,
Datatype: 0,
Cas: uint64(opts.Cas),
Extras: nil,
Key: opts.Key,
Value: nil,
DurabilityLevelFrame: duraLevelFrame,
DurabilityTimeoutFrame: duraTimeoutFrame,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, "Delete", errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) store(opName string, opcode memd.CmdCode, opts storeOptions, cb StoreCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, opName, opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
mutToken := MutationToken{}
if len(resp.Extras) >= 16 {
mutToken.VbID = req.Vbucket
mutToken.VbUUID = VbUUID(binary.BigEndian.Uint64(resp.Extras[0:]))
mutToken.SeqNo = SeqNo(binary.BigEndian.Uint64(resp.Extras[8:]))
}
res := &StoreResult{
Cas: Cas(resp.Cas),
MutationToken: mutToken,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var duraLevelFrame *memd.DurabilityLevelFrame
var duraTimeoutFrame *memd.DurabilityTimeoutFrame
if opts.DurabilityLevel > 0 {
if crud.featureVerifier.HasBucketCapabilityStatus(BucketCapabilityDurableWrites, CapabilityStatusUnsupported) {
return nil, errFeatureNotAvailable
}
duraLevelFrame = &memd.DurabilityLevelFrame{
DurabilityLevel: opts.DurabilityLevel,
}
duraTimeoutFrame = &memd.DurabilityTimeoutFrame{
DurabilityTimeout: opts.DurabilityLevelTimeout,
}
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
var preserveExpiryFrame *memd.PreserveExpiryFrame
if opts.PreserveExpiry {
preserveExpiryFrame = &memd.PreserveExpiryFrame{}
}
extraBuf := make([]byte, 8)
binary.BigEndian.PutUint32(extraBuf[0:], opts.Flags)
binary.BigEndian.PutUint32(extraBuf[4:], opts.Expiry)
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: opcode,
Datatype: opts.Datatype,
Cas: uint64(opts.Cas),
Extras: extraBuf,
Key: opts.Key,
Value: opts.Value,
DurabilityLevelFrame: duraLevelFrame,
DurabilityTimeoutFrame: duraTimeoutFrame,
UserImpersonationFrame: userFrame,
CollectionID: opts.CollectionID,
PreserveExpiryFrame: preserveExpiryFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, opName, errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) Set(opts SetOptions, cb StoreCallback) (PendingOp, error) {
return crud.store("Set", memd.CmdSet, storeOptions{
Key: opts.Key,
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
Value: opts.Value,
Flags: opts.Flags,
Datatype: opts.Datatype,
Cas: 0,
Expiry: opts.Expiry,
TraceContext: opts.TraceContext,
DurabilityLevel: opts.DurabilityLevel,
DurabilityLevelTimeout: opts.DurabilityLevelTimeout,
CollectionID: opts.CollectionID,
Deadline: opts.Deadline,
User: opts.User,
PreserveExpiry: opts.PreserveExpiry,
}, cb)
}
func (crud *crudComponent) Add(opts AddOptions, cb StoreCallback) (PendingOp, error) {
return crud.store("Add", memd.CmdAdd, storeOptions{
Key: opts.Key,
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
Value: opts.Value,
Flags: opts.Flags,
Datatype: opts.Datatype,
Cas: 0,
Expiry: opts.Expiry,
TraceContext: opts.TraceContext,
DurabilityLevel: opts.DurabilityLevel,
DurabilityLevelTimeout: opts.DurabilityLevelTimeout,
CollectionID: opts.CollectionID,
Deadline: opts.Deadline,
User: opts.User,
}, cb)
}
func (crud *crudComponent) Replace(opts ReplaceOptions, cb StoreCallback) (PendingOp, error) {
if opts.PreserveExpiry && opts.Expiry > 0 {
return nil, wrapError(errInvalidArgument, "cannot use preserve expiry and an expiry > 0 for replace")
}
return crud.store("Replace", memd.CmdReplace, storeOptions(opts), cb)
}
func (crud *crudComponent) adjoin(opName string, opcode memd.CmdCode, opts AdjoinOptions, cb AdjoinCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, opName, opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
mutToken := MutationToken{}
if len(resp.Extras) >= 16 {
mutToken.VbID = req.Vbucket
mutToken.VbUUID = VbUUID(binary.BigEndian.Uint64(resp.Extras[0:]))
mutToken.SeqNo = SeqNo(binary.BigEndian.Uint64(resp.Extras[8:]))
}
res := &AdjoinResult{
Cas: Cas(resp.Cas),
MutationToken: mutToken,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
var duraLevelFrame *memd.DurabilityLevelFrame
var duraTimeoutFrame *memd.DurabilityTimeoutFrame
if opts.DurabilityLevel > 0 {
if crud.featureVerifier.HasBucketCapabilityStatus(BucketCapabilityDurableWrites, CapabilityStatusUnsupported) {
return nil, errFeatureNotAvailable
}
duraLevelFrame = &memd.DurabilityLevelFrame{
DurabilityLevel: opts.DurabilityLevel,
}
duraTimeoutFrame = &memd.DurabilityTimeoutFrame{
DurabilityTimeout: opts.DurabilityLevelTimeout,
}
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
var preserveExpiryFrame *memd.PreserveExpiryFrame
if opts.PreserveExpiry {
preserveExpiryFrame = &memd.PreserveExpiryFrame{}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: opcode,
Datatype: 0,
Cas: uint64(opts.Cas),
Extras: nil,
Key: opts.Key,
Value: opts.Value,
DurabilityLevelFrame: duraLevelFrame,
DurabilityTimeoutFrame: duraTimeoutFrame,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
PreserveExpiryFrame: preserveExpiryFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, opName, errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) Append(opts AdjoinOptions, cb AdjoinCallback) (PendingOp, error) {
return crud.adjoin("Append", memd.CmdAppend, opts, cb)
}
func (crud *crudComponent) Prepend(opts AdjoinOptions, cb AdjoinCallback) (PendingOp, error) {
return crud.adjoin("Prepend", memd.CmdPrepend, opts, cb)
}
func (crud *crudComponent) counter(opName string, opcode memd.CmdCode, opts CounterOptions, cb CounterCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, opName, opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
if len(resp.Value) != 8 {
tracer.Finish()
cb(nil, errProtocol)
return
}
intVal := binary.BigEndian.Uint64(resp.Value)
mutToken := MutationToken{}
if len(resp.Extras) >= 16 {
mutToken.VbID = req.Vbucket
mutToken.VbUUID = VbUUID(binary.BigEndian.Uint64(resp.Extras[0:]))
mutToken.SeqNo = SeqNo(binary.BigEndian.Uint64(resp.Extras[8:]))
}
res := &CounterResult{
Value: intVal,
Cas: Cas(resp.Cas),
MutationToken: mutToken,
}
res.Internal.ResourceUnits = req.ResourceUnits()
tracer.Finish()
cb(res, nil)
}
// You cannot have an expiry when you do not want to create the document.
if opts.Initial == uint64(0xFFFFFFFFFFFFFFFF) && opts.Expiry != 0 {
return nil, errInvalidArgument
}
var duraLevelFrame *memd.DurabilityLevelFrame
var duraTimeoutFrame *memd.DurabilityTimeoutFrame
if opts.DurabilityLevel > 0 {
if crud.featureVerifier.HasBucketCapabilityStatus(BucketCapabilityDurableWrites, CapabilityStatusUnsupported) {
return nil, errFeatureNotAvailable
}
duraLevelFrame = &memd.DurabilityLevelFrame{
DurabilityLevel: opts.DurabilityLevel,
}
duraTimeoutFrame = &memd.DurabilityTimeoutFrame{
DurabilityTimeout: opts.DurabilityLevelTimeout,
}
}
var userFrame *memd.UserImpersonationFrame
if len(opts.User) > 0 {
userFrame = &memd.UserImpersonationFrame{
User: []byte(opts.User),
}
}
var preserveExpiryFrame *memd.PreserveExpiryFrame
if opts.PreserveExpiry {
preserveExpiryFrame = &memd.PreserveExpiryFrame{}
}
if opts.RetryStrategy == nil {
opts.RetryStrategy = crud.defaultRetryStrategy
}
extraBuf := make([]byte, 20)
binary.BigEndian.PutUint64(extraBuf[0:], opts.Delta)
if opts.Initial != uint64(0xFFFFFFFFFFFFFFFF) {
binary.BigEndian.PutUint64(extraBuf[8:], opts.Initial)
binary.BigEndian.PutUint32(extraBuf[16:], opts.Expiry)
} else {
binary.BigEndian.PutUint64(extraBuf[8:], 0x0000000000000000)
binary.BigEndian.PutUint32(extraBuf[16:], 0xFFFFFFFF)
}
req := &memdQRequest{
Packet: memd.Packet{
Magic: memd.CmdMagicReq,
Command: opcode,
Datatype: 0,
Cas: uint64(opts.Cas),
Extras: extraBuf,
Key: opts.Key,
Value: nil,
DurabilityLevelFrame: duraLevelFrame,
DurabilityTimeoutFrame: duraTimeoutFrame,
CollectionID: opts.CollectionID,
UserImpersonationFrame: userFrame,
PreserveExpiryFrame: preserveExpiryFrame,
},
Callback: handler,
RootTraceContext: tracer.RootContext(),
CollectionName: opts.CollectionName,
ScopeName: opts.ScopeName,
RetryStrategy: opts.RetryStrategy,
}
op, err := crud.cidMgr.Dispatch(req)
if err != nil {
tracer.Finish()
return nil, err
}
if !opts.Deadline.IsZero() {
start := time.Now()
req.SetTimer(time.AfterFunc(opts.Deadline.Sub(start), func() {
req.cancelWithCallbackAndFinishTracer(
makeTimeoutError(start, opName, errAmbiguousTimeout, req),
tracer,
)
}))
}
return op, nil
}
func (crud *crudComponent) Increment(opts CounterOptions, cb CounterCallback) (PendingOp, error) {
return crud.counter("Increment", memd.CmdIncrement, opts, cb)
}
func (crud *crudComponent) Decrement(opts CounterOptions, cb CounterCallback) (PendingOp, error) {
return crud.counter("Decrement", memd.CmdDecrement, opts, cb)
}
func (crud *crudComponent) GetRandom(opts GetRandomOptions, cb GetRandomCallback) (PendingOp, error) {
tracer := crud.tracer.StartTelemeteryHandler(metricValueServiceKeyValue, "GetRandom", opts.TraceContext)
handler := func(resp *memdQResponse, req *memdQRequest, err error) {
if err != nil {
tracer.Finish()
cb(nil, err)
return
}
if len(resp.Extras) != 4 {
tracer.Finish()
cb(nil, errProtocol)
return
}