netapi

package
v0.3.3 Latest Latest
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 Go to latest Published: Jan 27, 2024 License: MIT Imports: 19 Imported by: 0

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Constants

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Variables

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var ErrBlocked = errors.New("BLOCK")

Functions

func Get 

func Get[T any](ctx context.Context, k any) (t T, _ bool)

func GetDefault 

func GetDefault[T any](ctx context.Context, k any, Default T) T

func MergeBufioReaderConn added in v0.3.3 

func MergeBufioReaderConn(c net.Conn, r *bufio.Reader) (net.Conn, error)

func NewBlockError 

func NewBlockError(network statistic.Type, hostname string) error

func NewMultipleReaderConn 

func NewMultipleReaderConn(c net.Conn, r io.Reader) net.Conn

func NewPrefixBytesConn 

func NewPrefixBytesConn(c net.Conn, prefix ...*pool.Bytes) net.Conn

func NewStore 

func NewStore(ctx context.Context) context.Context

func PaseNetwork 

func PaseNetwork(s string) statistic.Type

Types

type Address 

type Address interface {
	// Hostname return hostname of address, eg: www.example.com, 127.0.0.1, ff::ff
	Hostname() string
	// IP return net.IP, if address is ip else resolve the domain and return one of ips
	IP(context.Context) (net.IP, error)
	AddrPort(context.Context) (netip.AddrPort, error)
	UDPAddr(context.Context) (*net.UDPAddr, error)
	TCPAddr(context.Context) (*net.TCPAddr, error)
	// Port return port of address
	Port() Port
	// Type return type of address, domain or ip
	Type() Type
	NetworkType() statistic.Type

	net.Addr

	// WithResolver will use call IP(), IPHost(), UDPAddr(), TCPAddr()
	// return the current resolver is applied, if can't apply return false
	WithResolver(_ Resolver, canCover bool) bool
	PreferIPv6(b bool)
	// OverrideHostname clone address(exclude Values) and change hostname
	OverrideHostname(string) Address
	OverridePort(Port) Address
}
var EmptyAddr Address = &emptyAddr{}

func ParseAddrPort 

func ParseAddrPort(net statistic.Type, addrPort netip.AddrPort) Address

func ParseAddress 

func ParseAddress(network statistic.Type, addr string) (ad Address, _ error)

func ParseAddressPort 

func ParseAddressPort(network statistic.Type, addr string, port Port) (ad Address)

func ParseIPAddr 

func ParseIPAddr(ad *net.IPAddr) Address

func ParseSysAddr 

func ParseSysAddr(ad net.Addr) (Address, error)

func ParseTCPAddress 

func ParseTCPAddress(ad *net.TCPAddr) Address

func ParseUDPAddr 

func ParseUDPAddr(ad *net.UDPAddr) Address

func ParseUnixAddr 

func ParseUnixAddr(ad *net.UnixAddr) Address

func ReadFrom added in v0.3.3 

func ReadFrom(pc net.PacketConn) (*pool.Bytes, Address, error)

type ChannelListener 

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

func NewChannelListener 

func NewChannelListener(addr net.Addr) *ChannelListener

func (*ChannelListener) Accept 

func (c *ChannelListener) Accept() (net.Conn, error)

func (*ChannelListener) Addr 

func (c *ChannelListener) Addr() net.Addr

func (*ChannelListener) Close 

func (c *ChannelListener) Close() error

func (*ChannelListener) NewConn 

func (c *ChannelListener) NewConn(conn net.Conn)

type CurrentKey 

type CurrentKey struct{}

type DNSErrCode added in v0.3.3 

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

func NewDNSErrCode added in v0.3.3 

func NewDNSErrCode(code dnsmessage.RCode) *DNSErrCode

func (*DNSErrCode) As added in v0.3.3 

func (d *DNSErrCode) As(err any) bool

func (*DNSErrCode) Code added in v0.3.3 

func (d *DNSErrCode) Code() dnsmessage.RCode

func (DNSErrCode) Error added in v0.3.3 

func (d DNSErrCode) Error() string

type DNSHandler 

type DNSHandler interface {
	Server
	HandleUDP(context.Context, net.PacketConn) error
	HandleTCP(context.Context, net.Conn) error
	Do(context.Context, *pool.Bytes, func([]byte) error) error
}
var EmptyDNSServer DNSHandler = &emptyHandler{}

type DestinationKey 

type DestinationKey struct{}

func (DestinationKey) String 

func (DestinationKey) String() string

type DomainAddr 

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

func (*DomainAddr) AddrPort 

func (d *DomainAddr) AddrPort(ctx context.Context) (netip.AddrPort, error)

func (*DomainAddr) Hostname 

func (d *DomainAddr) Hostname() string

func (*DomainAddr) IP 

func (d *DomainAddr) IP(ctx context.Context) (net.IP, error)

func (DomainAddr) Network 

func (d DomainAddr) Network() string

func (DomainAddr) NetworkType 

func (d DomainAddr) NetworkType() statistic.Type

func (*DomainAddr) OverrideHostname 

func (d *DomainAddr) OverrideHostname(s string) Address

func (*DomainAddr) OverridePort 

func (d *DomainAddr) OverridePort(p Port) Address

func (*DomainAddr) Port 

func (d *DomainAddr) Port() Port

func (DomainAddr) PreferIPv6 

func (d DomainAddr) PreferIPv6(b bool)

func (DomainAddr) Resolver 

func (d DomainAddr) Resolver() Resolver

func (*DomainAddr) String 

func (d *DomainAddr) String() string

func (*DomainAddr) TCPAddr 

func (d *DomainAddr) TCPAddr(ctx context.Context) (*net.TCPAddr, error)

func (*DomainAddr) Type 

func (d *DomainAddr) Type() Type

func (*DomainAddr) UDPAddr 

func (d *DomainAddr) UDPAddr(ctx context.Context) (*net.UDPAddr, error)

func (DomainAddr) WithResolver 

func (d DomainAddr) WithResolver(resolver Resolver, canCover bool) bool

type DropResolver added in v0.3.3 

type DropResolver struct{}

func (DropResolver) Close added in v0.3.3 

func (e DropResolver) Close() error

func (DropResolver) LookupIP added in v0.3.3 

func (e DropResolver) LookupIP(_ context.Context, domain string) ([]net.IP, error)

func (DropResolver) Raw added in v0.3.3 

func (e DropResolver) Raw(_ context.Context, req dnsmessage.Question) (dnsmessage.Message, error)

type DynamicProxy 

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

func NewDynamicProxy 

func NewDynamicProxy(p Proxy) *DynamicProxy

func (*DynamicProxy) Conn 

func (d *DynamicProxy) Conn(ctx context.Context, a Address) (net.Conn, error)

func (*DynamicProxy) Dispatch 

func (d *DynamicProxy) Dispatch(ctx context.Context, a Address) (Address, error)

func (*DynamicProxy) PacketConn 

func (d *DynamicProxy) PacketConn(ctx context.Context, a Address) (net.PacketConn, error)

func (*DynamicProxy) Set 

func (d *DynamicProxy) Set(p Proxy)

type EmptyDispatch 

type EmptyDispatch struct{}

func (EmptyDispatch) Dispatch 

func (EmptyDispatch) Dispatch(_ context.Context, a Address) (Address, error)

type EmptyPacketListener added in v0.3.3 

type EmptyPacketListener struct {
	net.Listener
}

func (EmptyPacketListener) Packet added in v0.3.3 

func (EmptyPacketListener) Packet(context.Context) (net.PacketConn, error)

func (*EmptyPacketListener) Stream added in v0.3.3 

func (e *EmptyPacketListener) Stream(ctx context.Context) (net.Listener, error)

type ErrorResolver 

type ErrorResolver func(domain string) error

func (ErrorResolver) Close 

func (e ErrorResolver) Close() error

func (ErrorResolver) LookupIP 

func (e ErrorResolver) LookupIP(_ context.Context, domain string) ([]net.IP, error)

func (ErrorResolver) Raw 

func (e ErrorResolver) Raw(_ context.Context, req dnsmessage.Question) (dnsmessage.Message, error)

type FakeIPKey 

type FakeIPKey struct{}

func (FakeIPKey) String 

func (FakeIPKey) String() string

type ForceFakeIP 

type ForceFakeIP struct{}

type IPAddrPort 

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

func (*IPAddrPort) AddrPort 

func (d *IPAddrPort) AddrPort(context.Context) (netip.AddrPort, error)

func (*IPAddrPort) Hostname 

func (d *IPAddrPort) Hostname() string

func (*IPAddrPort) IP 

func (d *IPAddrPort) IP(context.Context) (net.IP, error)

func (IPAddrPort) Network 

func (d IPAddrPort) Network() string

func (IPAddrPort) NetworkType 

func (d IPAddrPort) NetworkType() statistic.Type

func (*IPAddrPort) OverrideHostname 

func (d *IPAddrPort) OverrideHostname(s string) Address

func (*IPAddrPort) OverridePort 

func (d *IPAddrPort) OverridePort(p Port) Address

func (*IPAddrPort) Port 

func (d *IPAddrPort) Port() Port

func (IPAddrPort) PreferIPv6 

func (d IPAddrPort) PreferIPv6(b bool)

func (IPAddrPort) Resolver 

func (d IPAddrPort) Resolver() Resolver

func (*IPAddrPort) String 

func (d *IPAddrPort) String() string

func (*IPAddrPort) TCPAddr 

func (d *IPAddrPort) TCPAddr(context.Context) (*net.TCPAddr, error)

func (*IPAddrPort) Type 

func (d *IPAddrPort) Type() Type

func (*IPAddrPort) UDPAddr 

func (d *IPAddrPort) UDPAddr(context.Context) (*net.UDPAddr, error)

func (IPAddrPort) WithResolver 

func (d IPAddrPort) WithResolver(resolver Resolver, canCover bool) bool

type InboundKey 

type InboundKey struct{}

func (InboundKey) String 

func (InboundKey) String() string

type Listener added in v0.3.3 

type Listener interface {
	Stream(context.Context) (net.Listener, error)
	Packet(context.Context) (net.PacketConn, error)
	Server
}

func NewEmptyPacketListener added in v0.3.3 

func NewEmptyPacketListener(lis net.Listener) Listener

type LogConn 

type LogConn struct {
	net.Conn
}

func (*LogConn) Read 

func (l *LogConn) Read(b []byte) (int, error)

func (*LogConn) SetDeadline 

func (l *LogConn) SetDeadline(t time.Time) error

func (*LogConn) SetReadDeadline 

func (l *LogConn) SetReadDeadline(t time.Time) error

func (*LogConn) SetWriteDeadline 

func (l *LogConn) SetWriteDeadline(t time.Time) error

func (*LogConn) Write 

func (l *LogConn) Write(b []byte) (int, error)

type Packet 

type Packet struct {
	Src       net.Addr
	Dst       Address
	WriteBack WriteBack
	Payload   *pool.Bytes
}

type PacketProxy 

type PacketProxy interface {
	PacketConn(context.Context, Address) (net.PacketConn, error)
}

type Port 

type Port interface {
	Port() uint16
	String() string
}
var EmptyPort Port = PortUint16(0)

func ParsePort 

func ParsePort[T constraints.Integer](p T) Port

func ParsePortStr 

func ParsePortStr(p string) (Port, error)

type PortUint16 

type PortUint16 uint16

func (PortUint16) Port 

func (p PortUint16) Port() uint16

func (PortUint16) String 

func (p PortUint16) String() string

type PreferIPv6 

type PreferIPv6 struct{}

type ProtocolServer added in v0.3.3 

type ProtocolServer interface {
	Server
	AcceptStream() (*StreamMeta, error)
	AcceptPacket() (*Packet, error)
}

type Proxy 

type Proxy interface {
	StreamProxy
	PacketProxy
	Dispatch(context.Context, Address) (Address, error)
}

func NewErrProxy 

func NewErrProxy(err error) Proxy

func NewWrapStoreProxy 

func NewWrapStoreProxy(p Proxy) Proxy

type Reader added in v0.3.3 

type Reader struct {
	io.Reader
}

func NewReader added in v0.3.3 

func NewReader(r io.Reader) *Reader

func (*Reader) ReadByte added in v0.3.3 

func (r *Reader) ReadByte() (byte, error)

func (*Reader) ReadBytes added in v0.3.3 

func (r *Reader) ReadBytes(n int) ([]byte, error)

type Resolver 

type Resolver interface {
	LookupIP(ctx context.Context, domain string) ([]net.IP, error)
	Raw(ctx context.Context, req dnsmessage.Question) (dnsmessage.Message, error)
	io.Closer
}
var Bootstrap Resolver = &System{}

type Server 

type Server interface {
	io.Closer
}

type SourceKey 

type SourceKey struct{}

func (SourceKey) String 

func (SourceKey) String() string

type Store 

type Store interface {
	Add(k, v any) Store
	Get(k any) (any, bool)
	Range(func(k, v any) bool)
	Map() map[any]any
}

func StoreFromContext 

func StoreFromContext(ctx context.Context) Store

type StreamMeta 

type StreamMeta struct {
	Source      net.Addr
	Destination net.Addr
	Inbound     net.Addr

	Src     net.Conn
	Address Address
}

type StreamProxy 

type StreamProxy interface {
	Conn(context.Context, Address) (net.Conn, error)
}

type System 

type System struct{ DisableIPv6 bool }

func (*System) Close 

func (d *System) Close() error

func (*System) LookupIP 

func (d *System) LookupIP(ctx context.Context, domain string) ([]net.IP, error)

func (*System) Raw 

func (d *System) Raw(context.Context, dnsmessage.Question) (dnsmessage.Message, error)

type Type 

type Type uint8
const (
	DOMAIN Type = 1
	IP     Type = 2
	UNIX   Type = 3
	EMPTY  Type = 4
)

func (Type) String 

func (t Type) String() string

type WrapListener added in v0.3.3 

type WrapListener struct {
	Listener
	// contains filtered or unexported fields
}

func ListenWrap added in v0.3.3 

func ListenWrap(lis net.Listener, inbound Listener) *WrapListener

func (*WrapListener) Close added in v0.3.3 

func (w *WrapListener) Close() error

func (*WrapListener) Stream added in v0.3.3 

func (w *WrapListener) Stream(ctx context.Context) (net.Listener, error)

type WriteBack added in v0.3.3 

type WriteBack func(b []byte, addr net.Addr) (int, error)

type Writer added in v0.3.3 

type Writer struct {
	io.Writer
}

func NewWriter added in v0.3.3 

func NewWriter(w io.Writer) *Writer

func (*Writer) WriteByte added in v0.3.3 

func (w *Writer) WriteByte(b byte) error

func (*Writer) WriteString added in v0.3.3 

func (w *Writer) WriteString(b string) (int, error)

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