forked from forgejo/forgejo
Prometheus endpoint (#5256)
* Add prometheus collector and route * dep ensure -add github.com/prometheus/client_golang/prometheus * dep ensure -update github.com/golang/protobuf * add metrics to reserved usernames * add comment head in metrics package * fix style imports * add metrics settings * add bearer token check * mapping metrics configs * fix lint * update config cheat sheet * update conf sample, typo fix
This commit is contained in:
Stanislav
techknowlogick
parent
92fb89f6e1
commit
078c404c3b
112 changed files with 24693 additions and 3011 deletions
774
vendor/github.com/golang/protobuf/proto/decode.go
generated
vendored
774
vendor/github.com/golang/protobuf/proto/decode.go
generated
vendored
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@ -39,8 +39,6 @@ import (
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"errors"
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"fmt"
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"io"
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"os"
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"reflect"
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)
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// errOverflow is returned when an integer is too large to be represented.
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@ -50,10 +48,6 @@ var errOverflow = errors.New("proto: integer overflow")
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// wire type is encountered. It does not get returned to user code.
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var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
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// The fundamental decoders that interpret bytes on the wire.
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// Those that take integer types all return uint64 and are
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// therefore of type valueDecoder.
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// DecodeVarint reads a varint-encoded integer from the slice.
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// It returns the integer and the number of bytes consumed, or
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// zero if there is not enough.
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@ -61,7 +55,6 @@ var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for
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// int32, int64, uint32, uint64, bool, and enum
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// protocol buffer types.
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func DecodeVarint(buf []byte) (x uint64, n int) {
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// x, n already 0
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for shift := uint(0); shift < 64; shift += 7 {
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if n >= len(buf) {
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return 0, 0
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@ -78,13 +71,7 @@ func DecodeVarint(buf []byte) (x uint64, n int) {
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return 0, 0
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}
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// DecodeVarint reads a varint-encoded integer from the Buffer.
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// This is the format for the
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// int32, int64, uint32, uint64, bool, and enum
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// protocol buffer types.
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func (p *Buffer) DecodeVarint() (x uint64, err error) {
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// x, err already 0
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func (p *Buffer) decodeVarintSlow() (x uint64, err error) {
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i := p.index
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l := len(p.buf)
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@ -107,6 +94,107 @@ func (p *Buffer) DecodeVarint() (x uint64, err error) {
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return
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}
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// DecodeVarint reads a varint-encoded integer from the Buffer.
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// This is the format for the
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// int32, int64, uint32, uint64, bool, and enum
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// protocol buffer types.
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func (p *Buffer) DecodeVarint() (x uint64, err error) {
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i := p.index
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buf := p.buf
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if i >= len(buf) {
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return 0, io.ErrUnexpectedEOF
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} else if buf[i] < 0x80 {
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p.index++
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return uint64(buf[i]), nil
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} else if len(buf)-i < 10 {
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return p.decodeVarintSlow()
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}
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var b uint64
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// we already checked the first byte
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x = uint64(buf[i]) - 0x80
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i++
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b = uint64(buf[i])
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i++
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x += b << 7
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 7
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b = uint64(buf[i])
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i++
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x += b << 14
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 14
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b = uint64(buf[i])
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i++
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x += b << 21
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 21
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b = uint64(buf[i])
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i++
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x += b << 28
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 28
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b = uint64(buf[i])
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i++
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x += b << 35
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 35
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b = uint64(buf[i])
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i++
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x += b << 42
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 42
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b = uint64(buf[i])
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i++
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x += b << 49
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 49
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b = uint64(buf[i])
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i++
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x += b << 56
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if b&0x80 == 0 {
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goto done
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}
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x -= 0x80 << 56
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b = uint64(buf[i])
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i++
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x += b << 63
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if b&0x80 == 0 {
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goto done
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}
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// x -= 0x80 << 63 // Always zero.
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return 0, errOverflow
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done:
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p.index = i
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return x, nil
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}
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// DecodeFixed64 reads a 64-bit integer from the Buffer.
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// This is the format for the
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// fixed64, sfixed64, and double protocol buffer types.
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@ -173,9 +261,6 @@ func (p *Buffer) DecodeZigzag32() (x uint64, err error) {
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return
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}
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// These are not ValueDecoders: they produce an array of bytes or a string.
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// bytes, embedded messages
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// DecodeRawBytes reads a count-delimited byte buffer from the Buffer.
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// This is the format used for the bytes protocol buffer
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// type and for embedded messages.
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@ -217,81 +302,29 @@ func (p *Buffer) DecodeStringBytes() (s string, err error) {
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return string(buf), nil
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}
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// Skip the next item in the buffer. Its wire type is decoded and presented as an argument.
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// If the protocol buffer has extensions, and the field matches, add it as an extension.
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// Otherwise, if the XXX_unrecognized field exists, append the skipped data there.
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func (o *Buffer) skipAndSave(t reflect.Type, tag, wire int, base structPointer, unrecField field) error {
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oi := o.index
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err := o.skip(t, tag, wire)
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if err != nil {
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return err
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}
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if !unrecField.IsValid() {
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return nil
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}
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ptr := structPointer_Bytes(base, unrecField)
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// Add the skipped field to struct field
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obuf := o.buf
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o.buf = *ptr
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o.EncodeVarint(uint64(tag<<3 | wire))
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*ptr = append(o.buf, obuf[oi:o.index]...)
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o.buf = obuf
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return nil
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}
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// Skip the next item in the buffer. Its wire type is decoded and presented as an argument.
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func (o *Buffer) skip(t reflect.Type, tag, wire int) error {
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var u uint64
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var err error
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switch wire {
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case WireVarint:
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_, err = o.DecodeVarint()
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case WireFixed64:
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_, err = o.DecodeFixed64()
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case WireBytes:
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_, err = o.DecodeRawBytes(false)
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case WireFixed32:
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_, err = o.DecodeFixed32()
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case WireStartGroup:
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for {
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u, err = o.DecodeVarint()
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if err != nil {
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break
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}
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fwire := int(u & 0x7)
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if fwire == WireEndGroup {
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break
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}
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ftag := int(u >> 3)
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err = o.skip(t, ftag, fwire)
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if err != nil {
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break
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}
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}
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default:
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err = fmt.Errorf("proto: can't skip unknown wire type %d for %s", wire, t)
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}
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return err
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}
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// Unmarshaler is the interface representing objects that can
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// unmarshal themselves. The method should reset the receiver before
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// decoding starts. The argument points to data that may be
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// unmarshal themselves. The argument points to data that may be
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// overwritten, so implementations should not keep references to the
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// buffer.
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// Unmarshal implementations should not clear the receiver.
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// Any unmarshaled data should be merged into the receiver.
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// Callers of Unmarshal that do not want to retain existing data
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// should Reset the receiver before calling Unmarshal.
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type Unmarshaler interface {
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Unmarshal([]byte) error
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}
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// newUnmarshaler is the interface representing objects that can
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// unmarshal themselves. The semantics are identical to Unmarshaler.
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//
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// This exists to support protoc-gen-go generated messages.
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// The proto package will stop type-asserting to this interface in the future.
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//
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// DO NOT DEPEND ON THIS.
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type newUnmarshaler interface {
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XXX_Unmarshal([]byte) error
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}
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// Unmarshal parses the protocol buffer representation in buf and places the
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// decoded result in pb. If the struct underlying pb does not match
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// the data in buf, the results can be unpredictable.
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@ -301,7 +334,13 @@ type Unmarshaler interface {
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// to preserve and append to existing data.
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func Unmarshal(buf []byte, pb Message) error {
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pb.Reset()
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return UnmarshalMerge(buf, pb)
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if u, ok := pb.(newUnmarshaler); ok {
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return u.XXX_Unmarshal(buf)
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}
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if u, ok := pb.(Unmarshaler); ok {
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return u.Unmarshal(buf)
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}
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return NewBuffer(buf).Unmarshal(pb)
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}
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// UnmarshalMerge parses the protocol buffer representation in buf and
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@ -311,8 +350,16 @@ func Unmarshal(buf []byte, pb Message) error {
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// UnmarshalMerge merges into existing data in pb.
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// Most code should use Unmarshal instead.
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func UnmarshalMerge(buf []byte, pb Message) error {
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// If the object can unmarshal itself, let it.
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if u, ok := pb.(newUnmarshaler); ok {
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return u.XXX_Unmarshal(buf)
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}
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if u, ok := pb.(Unmarshaler); ok {
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// NOTE: The history of proto have unfortunately been inconsistent
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// whether Unmarshaler should or should not implicitly clear itself.
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// Some implementations do, most do not.
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// Thus, calling this here may or may not do what people want.
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//
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// See https://github.com/golang/protobuf/issues/424
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return u.Unmarshal(buf)
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}
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return NewBuffer(buf).Unmarshal(pb)
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@ -328,541 +375,54 @@ func (p *Buffer) DecodeMessage(pb Message) error {
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}
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// DecodeGroup reads a tag-delimited group from the Buffer.
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// StartGroup tag is already consumed. This function consumes
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// EndGroup tag.
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func (p *Buffer) DecodeGroup(pb Message) error {
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typ, base, err := getbase(pb)
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if err != nil {
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return err
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b := p.buf[p.index:]
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x, y := findEndGroup(b)
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if x < 0 {
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return io.ErrUnexpectedEOF
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}
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return p.unmarshalType(typ.Elem(), GetProperties(typ.Elem()), true, base)
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err := Unmarshal(b[:x], pb)
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p.index += y
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return err
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}
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// Unmarshal parses the protocol buffer representation in the
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// Buffer and places the decoded result in pb. If the struct
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// underlying pb does not match the data in the buffer, the results can be
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// unpredictable.
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//
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// Unlike proto.Unmarshal, this does not reset pb before starting to unmarshal.
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func (p *Buffer) Unmarshal(pb Message) error {
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// If the object can unmarshal itself, let it.
|
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if u, ok := pb.(newUnmarshaler); ok {
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err := u.XXX_Unmarshal(p.buf[p.index:])
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p.index = len(p.buf)
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return err
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}
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if u, ok := pb.(Unmarshaler); ok {
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// NOTE: The history of proto have unfortunately been inconsistent
|
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// whether Unmarshaler should or should not implicitly clear itself.
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// Some implementations do, most do not.
|
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// Thus, calling this here may or may not do what people want.
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//
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// See https://github.com/golang/protobuf/issues/424
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err := u.Unmarshal(p.buf[p.index:])
|
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p.index = len(p.buf)
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return err
|
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}
|
||||
|
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typ, base, err := getbase(pb)
|
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if err != nil {
|
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return err
|
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}
|
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|
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err = p.unmarshalType(typ.Elem(), GetProperties(typ.Elem()), false, base)
|
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|
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if collectStats {
|
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stats.Decode++
|
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}
|
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|
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return err
|
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}
|
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|
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// unmarshalType does the work of unmarshaling a structure.
|
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func (o *Buffer) unmarshalType(st reflect.Type, prop *StructProperties, is_group bool, base structPointer) error {
|
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var state errorState
|
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required, reqFields := prop.reqCount, uint64(0)
|
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|
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var err error
|
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for err == nil && o.index < len(o.buf) {
|
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oi := o.index
|
||||
var u uint64
|
||||
u, err = o.DecodeVarint()
|
||||
if err != nil {
|
||||
break
|
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}
|
||||
wire := int(u & 0x7)
|
||||
if wire == WireEndGroup {
|
||||
if is_group {
|
||||
return nil // input is satisfied
|
||||
}
|
||||
return fmt.Errorf("proto: %s: wiretype end group for non-group", st)
|
||||
}
|
||||
tag := int(u >> 3)
|
||||
if tag <= 0 {
|
||||
return fmt.Errorf("proto: %s: illegal tag %d (wire type %d)", st, tag, wire)
|
||||
}
|
||||
fieldnum, ok := prop.decoderTags.get(tag)
|
||||
if !ok {
|
||||
// Maybe it's an extension?
|
||||
if prop.extendable {
|
||||
if e := structPointer_Interface(base, st).(extendableProto); isExtensionField(e, int32(tag)) {
|
||||
if err = o.skip(st, tag, wire); err == nil {
|
||||
ext := e.ExtensionMap()[int32(tag)] // may be missing
|
||||
ext.enc = append(ext.enc, o.buf[oi:o.index]...)
|
||||
e.ExtensionMap()[int32(tag)] = ext
|
||||
}
|
||||
continue
|
||||
}
|
||||
}
|
||||
// Maybe it's a oneof?
|
||||
if prop.oneofUnmarshaler != nil {
|
||||
m := structPointer_Interface(base, st).(Message)
|
||||
// First return value indicates whether tag is a oneof field.
|
||||
ok, err = prop.oneofUnmarshaler(m, tag, wire, o)
|
||||
if err == ErrInternalBadWireType {
|
||||
// Map the error to something more descriptive.
|
||||
// Do the formatting here to save generated code space.
|
||||
err = fmt.Errorf("bad wiretype for oneof field in %T", m)
|
||||
}
|
||||
if ok {
|
||||
continue
|
||||
}
|
||||
}
|
||||
err = o.skipAndSave(st, tag, wire, base, prop.unrecField)
|
||||
continue
|
||||
}
|
||||
p := prop.Prop[fieldnum]
|
||||
|
||||
if p.dec == nil {
|
||||
fmt.Fprintf(os.Stderr, "proto: no protobuf decoder for %s.%s\n", st, st.Field(fieldnum).Name)
|
||||
continue
|
||||
}
|
||||
dec := p.dec
|
||||
if wire != WireStartGroup && wire != p.WireType {
|
||||
if wire == WireBytes && p.packedDec != nil {
|
||||
// a packable field
|
||||
dec = p.packedDec
|
||||
} else {
|
||||
err = fmt.Errorf("proto: bad wiretype for field %s.%s: got wiretype %d, want %d", st, st.Field(fieldnum).Name, wire, p.WireType)
|
||||
continue
|
||||
}
|
||||
}
|
||||
decErr := dec(o, p, base)
|
||||
if decErr != nil && !state.shouldContinue(decErr, p) {
|
||||
err = decErr
|
||||
}
|
||||
if err == nil && p.Required {
|
||||
// Successfully decoded a required field.
|
||||
if tag <= 64 {
|
||||
// use bitmap for fields 1-64 to catch field reuse.
|
||||
var mask uint64 = 1 << uint64(tag-1)
|
||||
if reqFields&mask == 0 {
|
||||
// new required field
|
||||
reqFields |= mask
|
||||
required--
|
||||
}
|
||||
} else {
|
||||
// This is imprecise. It can be fooled by a required field
|
||||
// with a tag > 64 that is encoded twice; that's very rare.
|
||||
// A fully correct implementation would require allocating
|
||||
// a data structure, which we would like to avoid.
|
||||
required--
|
||||
}
|
||||
}
|
||||
}
|
||||
if err == nil {
|
||||
if is_group {
|
||||
return io.ErrUnexpectedEOF
|
||||
}
|
||||
if state.err != nil {
|
||||
return state.err
|
||||
}
|
||||
if required > 0 {
|
||||
// Not enough information to determine the exact field. If we use extra
|
||||
// CPU, we could determine the field only if the missing required field
|
||||
// has a tag <= 64 and we check reqFields.
|
||||
return &RequiredNotSetError{"{Unknown}"}
|
||||
}
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
||||
// Individual type decoders
|
||||
// For each,
|
||||
// u is the decoded value,
|
||||
// v is a pointer to the field (pointer) in the struct
|
||||
|
||||
// Sizes of the pools to allocate inside the Buffer.
|
||||
// The goal is modest amortization and allocation
|
||||
// on at least 16-byte boundaries.
|
||||
const (
|
||||
boolPoolSize = 16
|
||||
uint32PoolSize = 8
|
||||
uint64PoolSize = 4
|
||||
)
|
||||
|
||||
// Decode a bool.
|
||||
func (o *Buffer) dec_bool(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if len(o.bools) == 0 {
|
||||
o.bools = make([]bool, boolPoolSize)
|
||||
}
|
||||
o.bools[0] = u != 0
|
||||
*structPointer_Bool(base, p.field) = &o.bools[0]
|
||||
o.bools = o.bools[1:]
|
||||
return nil
|
||||
}
|
||||
|
||||
func (o *Buffer) dec_proto3_bool(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
*structPointer_BoolVal(base, p.field) = u != 0
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode an int32.
|
||||
func (o *Buffer) dec_int32(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
word32_Set(structPointer_Word32(base, p.field), o, uint32(u))
|
||||
return nil
|
||||
}
|
||||
|
||||
func (o *Buffer) dec_proto3_int32(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
word32Val_Set(structPointer_Word32Val(base, p.field), uint32(u))
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode an int64.
|
||||
func (o *Buffer) dec_int64(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
word64_Set(structPointer_Word64(base, p.field), o, u)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (o *Buffer) dec_proto3_int64(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
word64Val_Set(structPointer_Word64Val(base, p.field), o, u)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a string.
|
||||
func (o *Buffer) dec_string(p *Properties, base structPointer) error {
|
||||
s, err := o.DecodeStringBytes()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
*structPointer_String(base, p.field) = &s
|
||||
return nil
|
||||
}
|
||||
|
||||
func (o *Buffer) dec_proto3_string(p *Properties, base structPointer) error {
|
||||
s, err := o.DecodeStringBytes()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
*structPointer_StringVal(base, p.field) = s
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of bytes ([]byte).
|
||||
func (o *Buffer) dec_slice_byte(p *Properties, base structPointer) error {
|
||||
b, err := o.DecodeRawBytes(true)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
*structPointer_Bytes(base, p.field) = b
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of bools ([]bool).
|
||||
func (o *Buffer) dec_slice_bool(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
v := structPointer_BoolSlice(base, p.field)
|
||||
*v = append(*v, u != 0)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of bools ([]bool) in packed format.
|
||||
func (o *Buffer) dec_slice_packed_bool(p *Properties, base structPointer) error {
|
||||
v := structPointer_BoolSlice(base, p.field)
|
||||
|
||||
nn, err := o.DecodeVarint()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
nb := int(nn) // number of bytes of encoded bools
|
||||
fin := o.index + nb
|
||||
if fin < o.index {
|
||||
return errOverflow
|
||||
}
|
||||
|
||||
y := *v
|
||||
for o.index < fin {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
y = append(y, u != 0)
|
||||
}
|
||||
|
||||
*v = y
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of int32s ([]int32).
|
||||
func (o *Buffer) dec_slice_int32(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
structPointer_Word32Slice(base, p.field).Append(uint32(u))
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of int32s ([]int32) in packed format.
|
||||
func (o *Buffer) dec_slice_packed_int32(p *Properties, base structPointer) error {
|
||||
v := structPointer_Word32Slice(base, p.field)
|
||||
|
||||
nn, err := o.DecodeVarint()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
nb := int(nn) // number of bytes of encoded int32s
|
||||
|
||||
fin := o.index + nb
|
||||
if fin < o.index {
|
||||
return errOverflow
|
||||
}
|
||||
for o.index < fin {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
v.Append(uint32(u))
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of int64s ([]int64).
|
||||
func (o *Buffer) dec_slice_int64(p *Properties, base structPointer) error {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
structPointer_Word64Slice(base, p.field).Append(u)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of int64s ([]int64) in packed format.
|
||||
func (o *Buffer) dec_slice_packed_int64(p *Properties, base structPointer) error {
|
||||
v := structPointer_Word64Slice(base, p.field)
|
||||
|
||||
nn, err := o.DecodeVarint()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
nb := int(nn) // number of bytes of encoded int64s
|
||||
|
||||
fin := o.index + nb
|
||||
if fin < o.index {
|
||||
return errOverflow
|
||||
}
|
||||
for o.index < fin {
|
||||
u, err := p.valDec(o)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
v.Append(u)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of strings ([]string).
|
||||
func (o *Buffer) dec_slice_string(p *Properties, base structPointer) error {
|
||||
s, err := o.DecodeStringBytes()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
v := structPointer_StringSlice(base, p.field)
|
||||
*v = append(*v, s)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a slice of slice of bytes ([][]byte).
|
||||
func (o *Buffer) dec_slice_slice_byte(p *Properties, base structPointer) error {
|
||||
b, err := o.DecodeRawBytes(true)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
v := structPointer_BytesSlice(base, p.field)
|
||||
*v = append(*v, b)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a map field.
|
||||
func (o *Buffer) dec_new_map(p *Properties, base structPointer) error {
|
||||
raw, err := o.DecodeRawBytes(false)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
oi := o.index // index at the end of this map entry
|
||||
o.index -= len(raw) // move buffer back to start of map entry
|
||||
|
||||
mptr := structPointer_NewAt(base, p.field, p.mtype) // *map[K]V
|
||||
if mptr.Elem().IsNil() {
|
||||
mptr.Elem().Set(reflect.MakeMap(mptr.Type().Elem()))
|
||||
}
|
||||
v := mptr.Elem() // map[K]V
|
||||
|
||||
// Prepare addressable doubly-indirect placeholders for the key and value types.
|
||||
// See enc_new_map for why.
|
||||
keyptr := reflect.New(reflect.PtrTo(p.mtype.Key())).Elem() // addressable *K
|
||||
keybase := toStructPointer(keyptr.Addr()) // **K
|
||||
|
||||
var valbase structPointer
|
||||
var valptr reflect.Value
|
||||
switch p.mtype.Elem().Kind() {
|
||||
case reflect.Slice:
|
||||
// []byte
|
||||
var dummy []byte
|
||||
valptr = reflect.ValueOf(&dummy) // *[]byte
|
||||
valbase = toStructPointer(valptr) // *[]byte
|
||||
case reflect.Ptr:
|
||||
// message; valptr is **Msg; need to allocate the intermediate pointer
|
||||
valptr = reflect.New(reflect.PtrTo(p.mtype.Elem())).Elem() // addressable *V
|
||||
valptr.Set(reflect.New(valptr.Type().Elem()))
|
||||
valbase = toStructPointer(valptr)
|
||||
default:
|
||||
// everything else
|
||||
valptr = reflect.New(reflect.PtrTo(p.mtype.Elem())).Elem() // addressable *V
|
||||
valbase = toStructPointer(valptr.Addr()) // **V
|
||||
}
|
||||
|
||||
// Decode.
|
||||
// This parses a restricted wire format, namely the encoding of a message
|
||||
// with two fields. See enc_new_map for the format.
|
||||
for o.index < oi {
|
||||
// tagcode for key and value properties are always a single byte
|
||||
// because they have tags 1 and 2.
|
||||
tagcode := o.buf[o.index]
|
||||
o.index++
|
||||
switch tagcode {
|
||||
case p.mkeyprop.tagcode[0]:
|
||||
if err := p.mkeyprop.dec(o, p.mkeyprop, keybase); err != nil {
|
||||
return err
|
||||
}
|
||||
case p.mvalprop.tagcode[0]:
|
||||
if err := p.mvalprop.dec(o, p.mvalprop, valbase); err != nil {
|
||||
return err
|
||||
}
|
||||
default:
|
||||
// TODO: Should we silently skip this instead?
|
||||
return fmt.Errorf("proto: bad map data tag %d", raw[0])
|
||||
}
|
||||
}
|
||||
keyelem, valelem := keyptr.Elem(), valptr.Elem()
|
||||
if !keyelem.IsValid() {
|
||||
keyelem = reflect.Zero(p.mtype.Key())
|
||||
}
|
||||
if !valelem.IsValid() {
|
||||
valelem = reflect.Zero(p.mtype.Elem())
|
||||
}
|
||||
|
||||
v.SetMapIndex(keyelem, valelem)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decode a group.
|
||||
func (o *Buffer) dec_struct_group(p *Properties, base structPointer) error {
|
||||
bas := structPointer_GetStructPointer(base, p.field)
|
||||
if structPointer_IsNil(bas) {
|
||||
// allocate new nested message
|
||||
bas = toStructPointer(reflect.New(p.stype))
|
||||
structPointer_SetStructPointer(base, p.field, bas)
|
||||
}
|
||||
return o.unmarshalType(p.stype, p.sprop, true, bas)
|
||||
}
|
||||
|
||||
// Decode an embedded message.
|
||||
func (o *Buffer) dec_struct_message(p *Properties, base structPointer) (err error) {
|
||||
raw, e := o.DecodeRawBytes(false)
|
||||
if e != nil {
|
||||
return e
|
||||
}
|
||||
|
||||
bas := structPointer_GetStructPointer(base, p.field)
|
||||
if structPointer_IsNil(bas) {
|
||||
// allocate new nested message
|
||||
bas = toStructPointer(reflect.New(p.stype))
|
||||
structPointer_SetStructPointer(base, p.field, bas)
|
||||
}
|
||||
|
||||
// If the object can unmarshal itself, let it.
|
||||
if p.isUnmarshaler {
|
||||
iv := structPointer_Interface(bas, p.stype)
|
||||
return iv.(Unmarshaler).Unmarshal(raw)
|
||||
}
|
||||
|
||||
obuf := o.buf
|
||||
oi := o.index
|
||||
o.buf = raw
|
||||
o.index = 0
|
||||
|
||||
err = o.unmarshalType(p.stype, p.sprop, false, bas)
|
||||
o.buf = obuf
|
||||
o.index = oi
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
// Decode a slice of embedded messages.
|
||||
func (o *Buffer) dec_slice_struct_message(p *Properties, base structPointer) error {
|
||||
return o.dec_slice_struct(p, false, base)
|
||||
}
|
||||
|
||||
// Decode a slice of embedded groups.
|
||||
func (o *Buffer) dec_slice_struct_group(p *Properties, base structPointer) error {
|
||||
return o.dec_slice_struct(p, true, base)
|
||||
}
|
||||
|
||||
// Decode a slice of structs ([]*struct).
|
||||
func (o *Buffer) dec_slice_struct(p *Properties, is_group bool, base structPointer) error {
|
||||
v := reflect.New(p.stype)
|
||||
bas := toStructPointer(v)
|
||||
structPointer_StructPointerSlice(base, p.field).Append(bas)
|
||||
|
||||
if is_group {
|
||||
err := o.unmarshalType(p.stype, p.sprop, is_group, bas)
|
||||
return err
|
||||
}
|
||||
|
||||
raw, err := o.DecodeRawBytes(false)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// If the object can unmarshal itself, let it.
|
||||
if p.isUnmarshaler {
|
||||
iv := v.Interface()
|
||||
return iv.(Unmarshaler).Unmarshal(raw)
|
||||
}
|
||||
|
||||
obuf := o.buf
|
||||
oi := o.index
|
||||
o.buf = raw
|
||||
o.index = 0
|
||||
|
||||
err = o.unmarshalType(p.stype, p.sprop, is_group, bas)
|
||||
|
||||
o.buf = obuf
|
||||
o.index = oi
|
||||
|
||||
// Slow workaround for messages that aren't Unmarshalers.
|
||||
// This includes some hand-coded .pb.go files and
|
||||
// bootstrap protos.
|
||||
// TODO: fix all of those and then add Unmarshal to
|
||||
// the Message interface. Then:
|
||||
// The cast above and code below can be deleted.
|
||||
// The old unmarshaler can be deleted.
|
||||
// Clients can call Unmarshal directly (can already do that, actually).
|
||||
var info InternalMessageInfo
|
||||
err := info.Unmarshal(pb, p.buf[p.index:])
|
||||
p.index = len(p.buf)
|
||||
return err
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue