l2vtgate

Documentation

Overview

Package l2vtgate provides the core functionnality of a second-layer vtgate to route queries from an original vtgate to a subset of tablets.

Index

• Variables
• type L2VTGate
  • func Init(hc discovery.HealthCheck, topoServer topo.Server, serv topo.SrvTopoServer, ...) *L2VTGate
  • func (l *L2VTGate) Gateway() gateway.Gateway
  • func (l *L2VTGate) GetGatewayCacheStatus() gateway.TabletCacheStatusList
• type RegisterL2VTGate

Variables

var RegisterL2VTGates []RegisterL2VTGate

RegisterL2VTGates stores register funcs for L2VTGate server.

Types

type L2VTGate

type L2VTGate struct {
	queryservice.QueryService
	// contains filtered or unexported fields
}

L2VTGate implements queryservice.QueryService and forwards queries to the underlying gateway.

func Init

func Init(hc discovery.HealthCheck, topoServer topo.Server, serv topo.SrvTopoServer, statsName, cell string, retryCount int, tabletTypesToWait []topodatapb.TabletType) *L2VTGate

Init creates the single L2VTGate with the provided parameters.

func (*L2VTGate) Gateway

func (l *L2VTGate) Gateway() gateway.Gateway

Gateway returns this l2vtgate Gateway object (for tests mainly).

func (*L2VTGate) GetGatewayCacheStatus

func (l *L2VTGate) GetGatewayCacheStatus() gateway.TabletCacheStatusList

GetGatewayCacheStatus returns a displayable version of the Gateway cache.

type RegisterL2VTGate

type RegisterL2VTGate func(queryservice.QueryService)

RegisterL2VTGate defines the type of registration mechanism.