From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001 From: Niall Sheridan Date: Sun, 7 Jul 2019 21:33:44 +0100 Subject: Switch to modules --- .../private/protocol/eventstream/encode.go | 114 --------------------- 1 file changed, 114 deletions(-) delete mode 100644 vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/encode.go (limited to 'vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/encode.go') diff --git a/vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/encode.go b/vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/encode.go deleted file mode 100644 index 150a609..0000000 --- a/vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/encode.go +++ /dev/null @@ -1,114 +0,0 @@ -package eventstream - -import ( - "bytes" - "encoding/binary" - "hash" - "hash/crc32" - "io" -) - -// Encoder provides EventStream message encoding. -type Encoder struct { - w io.Writer - - headersBuf *bytes.Buffer -} - -// NewEncoder initializes and returns an Encoder to encode Event Stream -// messages to an io.Writer. -func NewEncoder(w io.Writer) *Encoder { - return &Encoder{ - w: w, - headersBuf: bytes.NewBuffer(nil), - } -} - -// Encode encodes a single EventStream message to the io.Writer the Encoder -// was created with. An error is returned if writing the message fails. -func (e *Encoder) Encode(msg Message) error { - e.headersBuf.Reset() - - err := encodeHeaders(e.headersBuf, msg.Headers) - if err != nil { - return err - } - - crc := crc32.New(crc32IEEETable) - hashWriter := io.MultiWriter(e.w, crc) - - headersLen := uint32(e.headersBuf.Len()) - payloadLen := uint32(len(msg.Payload)) - - if err := encodePrelude(hashWriter, crc, headersLen, payloadLen); err != nil { - return err - } - - if headersLen > 0 { - if _, err := io.Copy(hashWriter, e.headersBuf); err != nil { - return err - } - } - - if payloadLen > 0 { - if _, err := hashWriter.Write(msg.Payload); err != nil { - return err - } - } - - msgCRC := crc.Sum32() - return binary.Write(e.w, binary.BigEndian, msgCRC) -} - -func encodePrelude(w io.Writer, crc hash.Hash32, headersLen, payloadLen uint32) error { - p := messagePrelude{ - Length: minMsgLen + headersLen + payloadLen, - HeadersLen: headersLen, - } - if err := p.ValidateLens(); err != nil { - return err - } - - err := binaryWriteFields(w, binary.BigEndian, - p.Length, - p.HeadersLen, - ) - if err != nil { - return err - } - - p.PreludeCRC = crc.Sum32() - err = binary.Write(w, binary.BigEndian, p.PreludeCRC) - if err != nil { - return err - } - - return nil -} - -func encodeHeaders(w io.Writer, headers Headers) error { - for _, h := range headers { - hn := headerName{ - Len: uint8(len(h.Name)), - } - copy(hn.Name[:hn.Len], h.Name) - if err := hn.encode(w); err != nil { - return err - } - - if err := h.Value.encode(w); err != nil { - return err - } - } - - return nil -} - -func binaryWriteFields(w io.Writer, order binary.ByteOrder, vs ...interface{}) error { - for _, v := range vs { - if err := binary.Write(w, order, v); err != nil { - return err - } - } - return nil -} -- cgit v1.2.3