proxy

type BackendIterator interface {
	Next([]*BackendRuntime) (*BackendRuntime, bool)
}

type BackendPool struct {
	Name          string
	Targets       []*BackendRuntime
	Iterator      BackendIterator
	Impersonation *ImpersonationRuntime
}

type BackendRuntime struct {
	Name   string
	Labels map[string]string

	URL *url.URL

	CacheTTL time.Duration

	TLSConfig *tls.Config
	Transport http.RoundTripper

	AuthInjector RequestAuthInjector

	Active atomic.Int64
}

type BackendTarget struct {
	ID      string
	URL     *url.URL
	Healthy atomic.Bool
	Weight  int
}

type CompiledRoutes struct {
	Paths        []*RouteRuntime
	PathPrefixes []*RouteRuntime
	Headers      []*RouteRuntime
	SNIExact     map[string][]*RouteRuntime
	JWT          []*RouteRuntime
}

type EvalResult int

type Float64Bucket struct {
	Start time.Time
	Count int64
	Sum   float64
}

type Float64Histogram struct {
	Histogram metric.Float64Histogram
	Buckets   []Float64Bucket
	// contains filtered or unexported fields
}

type Forwarder struct {
	// contains filtered or unexported fields
}

type HeaderRuntime struct {
	Name      string
	Canonical string
	Value     string
}

type ImpersonationRuntime struct {
	Name          string
	Enabled       bool
	UsernameClaim string
	GroupsClaim   string
	ExtraClaims   []string
}

type Int64Bucket struct {
	Start time.Time
	Value int64
}

type Int64Counter struct {
	Counter metric.Int64Counter
	Current atomic.Int64
	Buckets []Int64Bucket
	// contains filtered or unexported fields
}

type Int64GaugeBucket struct {
	Start time.Time
	Max   int64
}

type Int64Histogram struct {
	Histogram metric.Int64Histogram
	Buckets   []Int64HistogramBucket
	// contains filtered or unexported fields
}

type Int64HistogramBucket struct {
	Start time.Time
	Count int64
	Sum   int64
}

type Int64UpDownCounter struct {
	Counter metric.Int64UpDownCounter

	Buckets []Int64GaugeBucket
	// contains filtered or unexported fields
}

type JWTRuntime struct {
	Claim string
	Value string
}

type K8sRequest struct {
	APIGroup    string
	Resource    string
	SubResource string
	Namespace   string
	Name        string
	Verb        string
}

type LeastConnectionsLB struct{}

type Principal struct {
	Subject         string
	User            string
	Groups          []string
	Issuer          string
	Audience        []string
	ServiceAccounts []string
	Claims          map[string]any
	ExpiresAt       time.Time
}

type Proxy struct {
	// contains filtered or unexported fields
}

type ProxyMetrics struct {
	// Request metrics
	RequestsTotal     Int64Counter
	RequestDuration   Float64Histogram
	ActiveRequests    Int64UpDownCounter
	RequestSizeBytes  Int64Histogram
	ResponseSizeBytes Int64Histogram

	// Backend metrics
	BackendRequestsTotal   Int64Counter
	BackendRequestDuration Float64Histogram
	BackendActiveRequests  Int64UpDownCounter

	// Auth metrics
	AuthRequestsTotal      Int64Counter
	PolicyEvaluationsTotal Int64Counter

	// Route matching metrics
	RouteMatchesTotal Int64Counter
	RouteNoMatchTotal Int64Counter
}

type ProxyOption func(*Proxy)

type RequestAuthInjector interface {
	Apply(req *http.Request) error
}

type RoundRobinLB struct {
	// contains filtered or unexported fields
}

type RouteMatchKind uint8

type RouteRuntime struct {
	Name    string
	Kind    RouteMatchKind
	Timeout time.Duration

	Path       string
	PathPrefix string
	Header     *HeaderRuntime
	SNI        string
	JWT        *JWTRuntime

	Handler     http.Handler
	BackendPool *BackendPool
}

type RuntimeConfig struct {
	Version uint64

	Routes   CompiledRoutes
	Backends map[string]*BackendPool
	Policies []*policyv1.Policy
}

type RuntimeStore struct {
	// contains filtered or unexported fields
}