add more node options

admission/admission.go

@@ -2,8 +2,11 @@ package admission
 
 import "context"
 
+type Options struct{}
+type Option func(opts *Options)
+
 type Admission interface {
-	Admit(ctx context.Context, addr string) bool
+	Admit(ctx context.Context, addr string, opts ...Option) bool
 }
 
 type admissionGroup struct {
@@ -16,9 +19,9 @@ func AdmissionGroup(admissions ...Admission) Admission {
 	}
 }
 
-func (p *admissionGroup) Admit(ctx context.Context, addr string) bool {
+func (p *admissionGroup) Admit(ctx context.Context, addr string, opts ...Option) bool {
 	for _, admission := range p.admissions {
-		if admission != nil && !admission.Admit(ctx, addr) {
+		if admission != nil && !admission.Admit(ctx, addr, opts...) {
 			return false
 		}
 	}

auth/auth.go

@@ -2,9 +2,13 @@ package auth
 
 import "context"
 
+type Options struct{}
+
+type Option func(opts *Options)
+
 // Authenticator is an interface for user authentication.
 type Authenticator interface {
-	Authenticate(ctx context.Context, user, password string) (id string, ok bool)
+	Authenticate(ctx context.Context, user, password string, opts ...Option) (id string, ok bool)
 }
 
 type authenticatorGroup struct {
@@ -17,7 +21,7 @@ func AuthenticatorGroup(authers ...Authenticator) Authenticator {
 	}
 }
 
-func (p *authenticatorGroup) Authenticate(ctx context.Context, user, password string) (string, bool) {
+func (p *authenticatorGroup) Authenticate(ctx context.Context, user, password string, opts ...Option) (string, bool) {
 	if len(p.authers) == 0 {
 		return "", false
 	}
@@ -26,7 +30,7 @@ func (p *authenticatorGroup) Authenticate(ctx context.Context, user, password st
 			continue
 		}
 
-		if id, ok := auther.Authenticate(ctx, user, password); ok {
+		if id, ok := auther.Authenticate(ctx, user, password, opts...); ok {
 			return id, ok
 		}
 	}

bypass/bypass.go

@@ -4,6 +4,7 @@ import "context"
 
 type Options struct {
 	Host string
+	Path string
 }
 
 type Option func(opts *Options)
@@ -14,6 +15,12 @@ func WithHostOpton(host string) Option {
 	}
 }
 
+func WithPathOption(path string) Option {
+	return func(opts *Options) {
+		opts.Path = path
+	}
+}
+
 // Bypass is a filter of address (IP or domain).
 type Bypass interface {
 	// Contains reports whether the bypass includes addr.

chain/node.go

@@ -17,6 +17,11 @@ type HTTPNodeSettings struct {
 type TLSNodeSettings struct {
 	ServerName string
 	Secure     bool
+	Options    struct {
+		MinVersion   string
+		MaxVersion   string
+		CipherSuites []string
+	}
 }
 
 type NodeOptions struct {
@@ -26,7 +31,9 @@ type NodeOptions struct {
 	HostMapper hosts.HostMapper
 	Metadata   metadata.Metadata
 	Host       string
+	Network    string
 	Protocol   string
+	Path       string
 	HTTP       *HTTPNodeSettings
 	TLS        *TLSNodeSettings
 	Auther     auth.Authenticator
@@ -64,12 +71,24 @@ func HostNodeOption(host string) NodeOption {
 	}
 }
 
+func NetworkNodeOption(network string) NodeOption {
+	return func(o *NodeOptions) {
+		o.Network = network
+	}
+}
+
 func ProtocolNodeOption(protocol string) NodeOption {
 	return func(o *NodeOptions) {
 		o.Protocol = protocol
 	}
 }
 
+func PathNodeOption(path string) NodeOption {
+	return func(o *NodeOptions) {
+		o.Path = path
+	}
+}
+
 func MetadataNodeOption(md metadata.Metadata) NodeOption {
 	return func(o *NodeOptions) {
 		o.Metadata = md

common/bufpool/pool.go

@@ -14,7 +14,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 128)
-					return &b
+					return b
 				},
 			},
 		},
@@ -23,7 +23,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 512)
-					return &b
+					return b
 				},
 			},
 		},
@@ -32,7 +32,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 1024)
-					return &b
+					return b
 				},
 			},
 		},
@@ -41,7 +41,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 2048)
-					return &b
+					return b
 				},
 			},
 		},
@@ -50,7 +50,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 4096)
-					return &b
+					return b
 				},
 			},
 		},
@@ -59,7 +59,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 8192)
-					return &b
+					return b
 				},
 			},
 		},
@@ -68,7 +68,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 16*1024)
-					return &b
+					return b
 				},
 			},
 		},
@@ -77,7 +77,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 32*1024)
-					return &b
+					return b
 				},
 			},
 		},
@@ -86,7 +86,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 64*1024)
-					return &b
+					return b
 				},
 			},
 		},
@@ -95,7 +95,7 @@ var (
 			pool: sync.Pool{
 				New: func() any {
 					b := make([]byte, 65*1024)
-					return &b
+					return b
 				},
 			},
 		},
@@ -103,21 +103,20 @@ var (
 )
 
 // Get returns a buffer of specified size.
-func Get(size int) *[]byte {
+func Get(size int) []byte {
 	for i := range pools {
 		if size <= pools[i].size {
-			b := pools[i].pool.Get().(*[]byte)
+			b := pools[i].pool.Get().([]byte)
-			*b = (*b)[:size]
+			return b[:size]
-			return b
 		}
 	}
 	b := make([]byte, size)
-	return &b
+	return b
 }
 
-func Put(b *[]byte) {
+func Put(b []byte) {
 	for i := range pools {
-		if cap(*b) == pools[i].size {
+		if cap(b) == pools[i].size {
 			pools[i].pool.Put(b)
 		}
 	}

common/net/dialer/dialer.go

@@ -47,6 +47,13 @@ func (d *NetDialer) Dial(ctx context.Context, network, addr string) (conn net.Co
 		log = logger.Default()
 	}
 
+	switch network {
+	case "unix":
+		netd := net.Dialer{}
+		return netd.DialContext(ctx, network, addr)
+	default:
+	}
+
 	deadline := time.Now().Add(timeout)
 	ifces := strings.Split(d.Interface, ",")
 	for _, ifce := range ifces {

common/net/udp/conn.go

@@ -37,7 +37,7 @@ func (c *conn) ReadFrom(b []byte) (n int, addr net.Addr, err error) {
 	case bb := <-c.rc:
 		n = copy(b, bb)
 		c.SetIdle(false)
-		bufpool.Put(&bb)
+		bufpool.Put(bb)
 
 	case <-c.closed:
 		err = net.ErrClosed

common/net/udp/listener.go

@@ -35,11 +35,13 @@ func NewListener(conn net.PacketConn, cfg *ListenConfig) net.Listener {
 	ln := &listener{
 		conn:    conn,
 		cqueue:  make(chan net.Conn, cfg.Backlog),
-		connPool: newConnPool(cfg.TTL).WithLogger(cfg.Logger),
 		closed:  make(chan struct{}),
 		errChan: make(chan error, 1),
 		config:  cfg,
 	}
+	if cfg.KeepAlive {
+		ln.connPool = newConnPool(cfg.TTL).WithLogger(cfg.Logger)
+	}
 	go ln.listenLoop()
 
 	return ln
@@ -69,7 +71,7 @@ func (ln *listener) listenLoop() {
 
 		b := bufpool.Get(ln.config.ReadBufferSize)
 
-		n, raddr, err := ln.conn.ReadFrom(*b)
+		n, raddr, err := ln.conn.ReadFrom(b)
 		if err != nil {
 			ln.errChan <- err
 			close(ln.errChan)
@@ -82,7 +84,7 @@ func (ln *listener) listenLoop() {
 			continue
 		}
 
-		if err := c.WriteQueue((*b)[:n]); err != nil {
+		if err := c.WriteQueue(b[:n]); err != nil {
 			ln.config.Logger.Warn("data discarded: ", err)
 		}
 	}

common/net/udp/pool.go

@@ -29,6 +29,10 @@ func (p *connPool) WithLogger(logger logger.Logger) *connPool {
 }
 
 func (p *connPool) Get(key any) (c *conn, ok bool) {
+	if p == nil {
+		return
+	}
+
 	v, ok := p.m.Load(key)
 	if ok {
 		c, ok = v.(*conn)
@@ -37,14 +41,25 @@ func (p *connPool) Get(key any) (c *conn, ok bool) {
 }
 
 func (p *connPool) Set(key any, c *conn) {
+	if p == nil {
+		return
+	}
+
 	p.m.Store(key, c)
 }
 
 func (p *connPool) Delete(key any) {
+	if p == nil {
+		return
+	}
 	p.m.Delete(key)
 }
 
 func (p *connPool) Close() {
+	if p == nil {
+		return
+	}
+
 	select {
 	case <-p.closed:
 		return

hop/hop.go

@@ -9,8 +9,9 @@ import (
 type SelectOptions struct {
 	Network  string
 	Addr     string
-	Host     string
 	Protocol string
+	Host     string
+	Path     string
 }
 
 type SelectOption func(*SelectOptions)
@@ -27,15 +28,21 @@ func AddrSelectOption(addr string) SelectOption {
 	}
 }
 
+func ProtocolSelectOption(protocol string) SelectOption {
+	return func(o *SelectOptions) {
+		o.Protocol = protocol
+	}
+}
+
 func HostSelectOption(host string) SelectOption {
 	return func(o *SelectOptions) {
 		o.Host = host
 	}
 }
 
-func ProtocolSelectOption(protocol string) SelectOption {
+func PathSelectOption(path string) SelectOption {
 	return func(o *SelectOptions) {
-		o.Protocol = protocol
+		o.Path = path
 	}
 }
 

hosts/hosts.go

@@ -5,7 +5,11 @@ import (
 	"net"
 )
 
+type Options struct{}
+
+type Option func(opts *Options)
+
 // HostMapper is a mapping from hostname to IP.
 type HostMapper interface {
-	Lookup(ctx context.Context, network, host string) ([]net.IP, bool)
+	Lookup(ctx context.Context, network, host string, opts ...Option) ([]net.IP, bool)
 }

ingress/ingress.go

@@ -2,6 +2,15 @@ package ingress
 
 import "context"
 
+type GetOptions struct{}
+
+type GetOption func(opts *GetOptions)
+
+type SetOptions struct{}
+
+type SetOption func(opts *SetOptions)
+
 type Ingress interface {
-	Get(ctx context.Context, host string) string
+	Get(ctx context.Context, host string, opts ...GetOption) string
+	Set(ctx context.Context, host, endpoint string, opts ...SetOption)
 }

recorder/recorder.go

@@ -4,8 +4,20 @@ import (
 	"context"
 )
 
+type RecordOptions struct {
+	Metadata any
+}
+
+type RecordOption func(opts *RecordOptions)
+
+func MetadataReocrdOption(md any) RecordOption {
+	return func(opts *RecordOptions) {
+		opts.Metadata = md
+	}
+}
+
 type Recorder interface {
-	Record(ctx context.Context, b []byte) error
+	Record(ctx context.Context, b []byte, opts ...RecordOption) error
 }
 
 type RecorderObject struct {

resolver/resolver.go

@@ -10,8 +10,12 @@ var (
 	ErrInvalid = errors.New("invalid resolver")
 )
 
+type Options struct{}
+
+type Option func(opts *Options)
+
 type Resolver interface {
 	// Resolve returns a slice of the host's IPv4 and IPv6 addresses.
 	// The network should be 'ip', 'ip4' or 'ip6', default network is 'ip'.
-	Resolve(ctx context.Context, network, host string) ([]net.IP, error)
+	Resolve(ctx context.Context, network, host string, opts ...Option) ([]net.IP, error)
 }

sd/sd.go

@@ -0,0 +1,25 @@
+package sd
+
+import (
+	"context"
+)
+
+type Options struct{}
+
+type Option func(opts *Options)
+
+type Service struct {
+	ID      string
+	Name    string
+	Node    string
+	Network string
+	Address string
+}
+
+// SD is the service discovery interface.
+type SD interface {
+	Register(ctx context.Context, service *Service, opts ...Option) error
+	Deregister(ctx context.Context, service *Service) error
+	Renew(ctx context.Context, service *Service) error
+	Get(ctx context.Context, name string) ([]*Service, error)
+}