plugins

type ClusterGeneratorPlugin interface {
	Plugin
	GeneratedClusters(params Params) ([]*envoyapi.Cluster, error)
}

type FilterStage int

type HttpFilterPlugin interface {
	Plugin
	HttpFilters(params Params, listener *v1.HttpListener) ([]StagedHttpFilter, error)
}

type InitParams struct {
	Ctx                context.Context
	ExtensionsSettings *v1.Extensions
	Settings           *v1.Settings
}

type ListenerFilterChainPlugin interface {
	Plugin
	ProcessListenerFilterChain(params Params, in *v1.Listener) ([]envoylistener.FilterChain, error)
}

type ListenerFilterPlugin interface {
	Plugin
	ProcessListenerFilter(params Params, in *v1.Listener) ([]StagedListenerFilter, error)
}

type ListenerPlugin interface {
	Plugin
	ProcessListener(params Params, in *v1.Listener, out *envoyapi.Listener) error
}

type Params struct {
	Ctx      context.Context
	Snapshot *v1.ApiSnapshot
}

type Plugin interface {
	Init(params InitParams) error
}

type RouteActionPlugin interface {
	Plugin
	ProcessRouteAction(params RouteParams, inAction *v1.RouteAction, out *envoyroute.RouteAction) error
}

type RouteParams struct {
	VirtualHostParams
	VirtualHost *v1.VirtualHost
}

type RoutePlugin interface {
	Plugin
	ProcessRoute(params RouteParams, in *v1.Route, out *envoyroute.Route) error
}

type StagedHttpFilter struct {
	HttpFilter *envoyhttp.HttpFilter
	Stage      FilterStage
}

type StagedListenerFilter struct {
	ListenerFilter envoylistener.Filter
	Stage          FilterStage
}

type UpstreamPlugin interface {
	Plugin
	ProcessUpstream(params Params, in *v1.Upstream, out *envoyapi.Cluster) error
}

type VirtualHostParams struct {
	Params
	Proxy    *v1.Proxy
	Listener *v1.Listener
}

type VirtualHostPlugin interface {
	Plugin
	ProcessVirtualHost(params VirtualHostParams, in *v1.VirtualHost, out *envoyroute.VirtualHost) error
}

type WeightedDestinationPlugin interface {
	Plugin
	ProcessWeightedDestination(params RouteParams, in *v1.WeightedDestination, out *envoyroute.WeightedCluster_ClusterWeight) error
}