package hpack
Import Path
vendor/golang.org/x/net/http2/hpack (on golang.org and go.dev)
Dependency Relation
imports 5 packages, and imported by one package
Involved Source Files
encode.go
d-> hpack.go
huffman.go
tables.go
Exported Type Names
type Decoder (struct)
A Decoder is the decoding context for incremental processing of
header blocks.
(*T) Close() error
(*T) DecodeFull(p []byte) ([]HeaderField, error)
(*T) EmitEnabled() bool
(*T) SetAllowedMaxDynamicTableSize(v uint32)
(*T) SetEmitEnabled(v bool)
(*T) SetEmitFunc(emitFunc func(f HeaderField))
(*T) SetMaxDynamicTableSize(v uint32)
(*T) SetMaxStringLength(n int)
(*T) Write(p []byte) (n int, err error)
*T : io.Closer
*T : io.WriteCloser
*T : io.Writer
func NewDecoder(maxDynamicTableSize uint32, emitFunc func(f HeaderField)) *Decoder
type DecodingError (struct)
A DecodingError is something the spec defines as a decoding error.
Err error
(T) Error() string
T : error
type Encoder (struct)
(*T) SetMaxDynamicTableSize(v uint32)
(*T) SetMaxDynamicTableSizeLimit(v uint32)
(*T) WriteField(f HeaderField) error
func NewEncoder(w io.Writer) *Encoder
type HeaderField (struct)
A HeaderField is a name-value pair. Both the name and value are
treated as opaque sequences of octets.
Name string
Sensitive bool
Value string
(T) IsPseudo() bool
(T) Size() uint32
(T) String() string
T : fmt.Stringer
func (*Decoder).DecodeFull(p []byte) ([]HeaderField, error)
func (*Encoder).WriteField(f HeaderField) error
type InvalidIndexError int
An InvalidIndexError is returned when an encoder references a table
entry before the static table or after the end of the dynamic table.
(T) Error() string
T : error
Exported Values
func AppendHuffmanString(dst []byte, s string) []byte
AppendHuffmanString appends s, as encoded in Huffman codes, to dst
and returns the extended buffer.
var ErrInvalidHuffman error
ErrInvalidHuffman is returned for errors found decoding
Huffman-encoded strings.
var ErrStringLength error
ErrStringLength is returned by Decoder.Write when the max string length
(as configured by Decoder.SetMaxStringLength) would be violated.
func HuffmanDecode(w io.Writer, v []byte) (int, error)
HuffmanDecode decodes the string in v and writes the expanded
result to w, returning the number of bytes written to w and the
Write call's return value. At most one Write call is made.
func HuffmanEncodeLength(s string) uint64
HuffmanEncodeLength returns the number of bytes required to encode
s in Huffman codes. The result is round up to byte boundary.
func NewDecoder(maxDynamicTableSize uint32, emitFunc func(f HeaderField)) *Decoder
NewDecoder returns a new decoder with the provided maximum dynamic
table size. The emitFunc will be called for each valid field
parsed, in the same goroutine as calls to Write, before Write returns.
func NewEncoder(w io.Writer) *Encoder
NewEncoder returns a new Encoder which performs HPACK encoding. An
encoded data is written to w.
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