/
kvmuxstate.go
170 lines (136 loc) · 4.7 KB
/
kvmuxstate.go
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package gocbcore
import (
"fmt"
)
type kvMuxState struct {
pipelines []*memdPipeline
deadPipe *memdPipeline
routeCfg routeConfig
expectedBucketName string
bucketCapabilities map[BucketCapability]CapabilityStatus
collectionsSupported bool
kvServerList []routeEndpoint
tlsConfig *dynTLSConfig
authMechanisms []AuthMechanism
auth AuthProvider
}
func newKVMuxState(cfg *routeConfig, kvServerList []routeEndpoint, tlsConfig *dynTLSConfig,
authMechanisms []AuthMechanism, auth AuthProvider, expectedBucketName string, pipelines []*memdPipeline, deadpipe *memdPipeline) *kvMuxState {
mux := &kvMuxState{
pipelines: pipelines,
deadPipe: deadpipe,
routeCfg: *cfg,
expectedBucketName: expectedBucketName,
bucketCapabilities: map[BucketCapability]CapabilityStatus{
BucketCapabilityDurableWrites: CapabilityStatusUnknown,
BucketCapabilityCreateAsDeleted: CapabilityStatusUnknown,
BucketCapabilityReplaceBodyWithXattr: CapabilityStatusUnknown,
BucketCapabilityRangeScan: CapabilityStatusUnknown,
BucketCapabilityReplicaRead: CapabilityStatusUnknown,
BucketCapabilityNonDedupedHistory: CapabilityStatusUnknown,
},
collectionsSupported: cfg.ContainsBucketCapability("collections"),
kvServerList: kvServerList,
tlsConfig: tlsConfig,
authMechanisms: authMechanisms,
auth: auth,
}
// We setup with a fake config, this means that durability support is still unknown.
// We only want to update bucket capabilities once we actually have a bucket config.
if cfg.revID > -1 && cfg.name == expectedBucketName {
if cfg.ContainsBucketCapability("durableWrite") {
mux.bucketCapabilities[BucketCapabilityDurableWrites] = CapabilityStatusSupported
} else {
mux.bucketCapabilities[BucketCapabilityDurableWrites] = CapabilityStatusUnsupported
}
if cfg.ContainsBucketCapability("tombstonedUserXAttrs") {
mux.bucketCapabilities[BucketCapabilityCreateAsDeleted] = CapabilityStatusSupported
} else {
mux.bucketCapabilities[BucketCapabilityCreateAsDeleted] = CapabilityStatusUnsupported
}
if cfg.ContainsBucketCapability("subdoc.ReplaceBodyWithXattr") {
mux.bucketCapabilities[BucketCapabilityReplaceBodyWithXattr] = CapabilityStatusSupported
} else {
mux.bucketCapabilities[BucketCapabilityReplaceBodyWithXattr] = CapabilityStatusUnsupported
}
if cfg.ContainsBucketCapability("rangeScan") {
mux.bucketCapabilities[BucketCapabilityRangeScan] = CapabilityStatusSupported
} else {
mux.bucketCapabilities[BucketCapabilityRangeScan] = CapabilityStatusUnsupported
}
if cfg.ContainsBucketCapability("subdoc.ReplicaRead") {
mux.bucketCapabilities[BucketCapabilityReplicaRead] = CapabilityStatusSupported
} else {
mux.bucketCapabilities[BucketCapabilityReplicaRead] = CapabilityStatusUnsupported
}
if cfg.ContainsBucketCapability("nonDedupedHistory") {
mux.bucketCapabilities[BucketCapabilityNonDedupedHistory] = CapabilityStatusSupported
} else {
mux.bucketCapabilities[BucketCapabilityNonDedupedHistory] = CapabilityStatusUnsupported
}
}
return mux
}
func (mux *kvMuxState) RouteConfig() *routeConfig {
return &mux.routeCfg
}
func (mux *kvMuxState) RevID() int64 {
return mux.routeCfg.revID
}
func (mux *kvMuxState) VBMap() *vbucketMap {
return mux.routeCfg.vbMap
}
func (mux *kvMuxState) UUID() string {
return mux.routeCfg.uuid
}
func (mux *kvMuxState) KetamaMap() *ketamaContinuum {
return mux.routeCfg.ketamaMap
}
func (mux *kvMuxState) BucketType() bucketType {
return mux.routeCfg.bktType
}
func (mux *kvMuxState) KVEps() []string {
var epList []string
for _, s := range mux.kvServerList {
epList = append(epList, s.Address)
}
return epList
}
func (mux *kvMuxState) NumPipelines() int {
return len(mux.pipelines)
}
func (mux *kvMuxState) GetPipeline(index int) *memdPipeline {
if index < 0 || index >= len(mux.pipelines) {
return mux.deadPipe
}
return mux.pipelines[index]
}
func (mux *kvMuxState) HasBucketCapabilityStatus(cap BucketCapability, status CapabilityStatus) bool {
st, ok := mux.bucketCapabilities[cap]
if !ok {
return status == CapabilityStatusUnsupported
}
return st == status
}
func (mux *kvMuxState) BucketCapabilityStatus(cap BucketCapability) CapabilityStatus {
st, ok := mux.bucketCapabilities[cap]
if !ok {
return CapabilityStatusUnsupported
}
return st
}
// nolint: unused
func (mux *kvMuxState) debugString() string {
var outStr string
for i, n := range mux.pipelines {
outStr += fmt.Sprintf("Pipeline %d:\n", i)
outStr += reindentLog(" ", n.debugString()) + "\n"
}
outStr += "Dead Pipeline:\n"
if mux.deadPipe != nil {
outStr += reindentLog(" ", mux.deadPipe.debugString()) + "\n"
} else {
outStr += " Disabled\n"
}
return outStr
}