common

type BasicError struct {
	// Error message
	Msg string

	// Nested error, if any.
	Err error
	// contains filtered or unexported fields
}

type ByteOrderN interface {
	binary.ByteOrder
	// Width is the size of the unsigned int value in bytes.
	UintN(b []byte, width int) uint64
	// Width is the size of the unsigned int value in bytes.
	PutUintN(b []byte, v uint64, width int)
}

type ErrorMsger interface {
	error
	GetMsg() string
}

type ErrorNester interface {
	error
	TopError() string // should not include the nested error
	GetErr() error
}

type Extension interface {
	ExtnBase
	// Allocate buffer, write extn into it, and return it.
	Pack() (RawBytes, error)
	// Write extn into supplied buffer
	Write(b RawBytes) error
	Copy() Extension
	// bool is true if extn is reversed, and false if it should be dropped.
	Reverse() (bool, error)
}

type ExtnBase interface {
	// Length in bytes, excluding 3B subheader
	Len() int
	Class() L4ProtocolType
	Type() ExtnType
	fmt.Stringer
}

type ExtnType struct {
	Class L4ProtocolType
	Type  uint8
}

type IFIDType uint64

type L4ProtocolType uint8

type Payload interface {
	fmt.Stringer
	Len() int
	Copy() (Payload, error)
	// Writes payload to buffer
	WritePld(RawBytes) (int, error)
}

type RawBytes []byte

type Temporary interface {
	error
	Temporary() bool
}

type Timeout interface {
	error
	Timeout() bool
}