// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package profile
import (
"errors"
"fmt"
"sort"
)
func (p *Profile) decoder() []decoder {
return profileDecoder
}
// preEncode populates the unexported fields to be used by encode
// (with suffix X) from the corresponding exported fields. The
// exported fields are cleared up to facilitate testing.
func (p *Profile) preEncode() {
strings := make(map[string]int)
addString(strings, "")
for _, st := range p.SampleType {
st.typeX = addString(strings, st.Type)
st.unitX = addString(strings, st.Unit)
}
for _, s := range p.Sample {
s.labelX = nil
var keys []string
for k := range s.Label {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
vs := s.Label[k]
for _, v := range vs {
s.labelX = append(s.labelX,
Label{
keyX: addString(strings, k),
strX: addString(strings, v),
},
)
}
}
var numKeys []string
for k := range s.NumLabel {
numKeys = append(numKeys, k)
}
sort.Strings(numKeys)
for _, k := range numKeys {
vs := s.NumLabel[k]
for _, v := range vs {
s.labelX = append(s.labelX,
Label{
keyX: addString(strings, k),
numX: v,
},
)
}
}
s.locationIDX = nil
for _, l := range s.Location {
s.locationIDX = append(s.locationIDX, l.ID)
}
}
for _, m := range p.Mapping {
m.fileX = addString(strings, m.File)
m.buildIDX = addString(strings, m.BuildID)
}
for _, l := range p.Location {
for i, ln := range l.Line {
if ln.Function != nil {
l.Line[i].functionIDX = ln.Function.ID
} else {
l.Line[i].functionIDX = 0
}
}
if l.Mapping != nil {
l.mappingIDX = l.Mapping.ID
} else {
l.mappingIDX = 0
}
}
for _, f := range p.Function {
f.nameX = addString(strings, f.Name)
f.systemNameX = addString(strings, f.SystemName)
f.filenameX = addString(strings, f.Filename)
}
p.dropFramesX = addString(strings, p.DropFrames)
p.keepFramesX = addString(strings, p.KeepFrames)
if pt := p.PeriodType; pt != nil {
pt.typeX = addString(strings, pt.Type)
pt.unitX = addString(strings, pt.Unit)
}
p.stringTable = make([]string, len(strings))
for s, i := range strings {
p.stringTable[i] = s
}
}
func (p *Profile) encode(b *buffer) {
for _, x := range p.SampleType {
encodeMessage(b, 1, x)
}
for _, x := range p.Sample {
encodeMessage(b, 2, x)
}
for _, x := range p.Mapping {
encodeMessage(b, 3, x)
}
for _, x := range p.Location {
encodeMessage(b, 4, x)
}
for _, x := range p.Function {
encodeMessage(b, 5, x)
}
encodeStrings(b, 6, p.stringTable)
encodeInt64Opt(b, 7, p.dropFramesX)
encodeInt64Opt(b, 8, p.keepFramesX)
encodeInt64Opt(b, 9, p.TimeNanos)
encodeInt64Opt(b, 10, p.DurationNanos)
if pt := p.PeriodType; pt != nil && (pt.typeX != 0 || pt.unitX != 0) {
encodeMessage(b, 11, p.PeriodType)
}
encodeInt64Opt(b, 12, p.Period)
}
var profileDecoder = []decoder{
nil, // 0
// repeated ValueType sample_type = 1
func(b *buffer, m message) error {
x := new(ValueType)
pp := m.(*Profile)
pp.SampleType = append(pp.SampleType, x)
return decodeMessage(b, x)
},
// repeated Sample sample = 2
func(b *buffer, m message) error {
x := new(Sample)
pp := m.(*Profile)
pp.Sample = append(pp.Sample, x)
return decodeMessage(b, x)
},
// repeated Mapping mapping = 3
func(b *buffer, m message) error {
x := new(Mapping)
pp := m.(*Profile)
pp.Mapping = append(pp.Mapping, x)
return decodeMessage(b, x)
},
// repeated Location location = 4
func(b *buffer, m message) error {
x := new(Location)
pp := m.(*Profile)
pp.Location = append(pp.Location, x)
return decodeMessage(b, x)
},
// repeated Function function = 5
func(b *buffer, m message) error {
x := new(Function)
pp := m.(*Profile)
pp.Function = append(pp.Function, x)
return decodeMessage(b, x)
},
// repeated string string_table = 6
func(b *buffer, m message) error {
err := decodeStrings(b, &m.(*Profile).stringTable)
if err != nil {
return err
}
if *&m.(*Profile).stringTable[0] != "" {
return errors.New("string_table[0] must be ''")
}
return nil
},
// repeated int64 drop_frames = 7
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).dropFramesX) },
// repeated int64 keep_frames = 8
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).keepFramesX) },
// repeated int64 time_nanos = 9
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).TimeNanos) },
// repeated int64 duration_nanos = 10
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).DurationNanos) },
// optional string period_type = 11
func(b *buffer, m message) error {
x := new(ValueType)
pp := m.(*Profile)
pp.PeriodType = x
return decodeMessage(b, x)
},
// repeated int64 period = 12
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).Period) },
// repeated int64 comment = 13
func(b *buffer, m message) error { return decodeInt64s(b, &m.(*Profile).commentX) },
// int64 defaultSampleType = 14
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Profile).defaultSampleTypeX) },
}
// postDecode takes the unexported fields populated by decode (with
// suffix X) and populates the corresponding exported fields.
// The unexported fields are cleared up to facilitate testing.
func (p *Profile) postDecode() error {
var err error
mappings := make(map[uint64]*Mapping)
for _, m := range p.Mapping {
m.File, err = getString(p.stringTable, &m.fileX, err)
m.BuildID, err = getString(p.stringTable, &m.buildIDX, err)
mappings[m.ID] = m
}
functions := make(map[uint64]*Function)
for _, f := range p.Function {
f.Name, err = getString(p.stringTable, &f.nameX, err)
f.SystemName, err = getString(p.stringTable, &f.systemNameX, err)
f.Filename, err = getString(p.stringTable, &f.filenameX, err)
functions[f.ID] = f
}
locations := make(map[uint64]*Location)
for _, l := range p.Location {
l.Mapping = mappings[l.mappingIDX]
l.mappingIDX = 0
for i, ln := range l.Line {
if id := ln.functionIDX; id != 0 {
l.Line[i].Function = functions[id]
if l.Line[i].Function == nil {
return fmt.Errorf("Function ID %d not found", id)
}
l.Line[i].functionIDX = 0
}
}
locations[l.ID] = l
}
for _, st := range p.SampleType {
st.Type, err = getString(p.stringTable, &st.typeX, err)
st.Unit, err = getString(p.stringTable, &st.unitX, err)
}
for _, s := range p.Sample {
labels := make(map[string][]string)
numLabels := make(map[string][]int64)
for _, l := range s.labelX {
var key, value string
key, err = getString(p.stringTable, &l.keyX, err)
if l.strX != 0 {
value, err = getString(p.stringTable, &l.strX, err)
labels[key] = append(labels[key], value)
} else {
numLabels[key] = append(numLabels[key], l.numX)
}
}
if len(labels) > 0 {
s.Label = labels
}
if len(numLabels) > 0 {
s.NumLabel = numLabels
}
s.Location = nil
for _, lid := range s.locationIDX {
s.Location = append(s.Location, locations[lid])
}
s.locationIDX = nil
}
p.DropFrames, err = getString(p.stringTable, &p.dropFramesX, err)
p.KeepFrames, err = getString(p.stringTable, &p.keepFramesX, err)
if pt := p.PeriodType; pt == nil {
p.PeriodType = &ValueType{}
}
if pt := p.PeriodType; pt != nil {
pt.Type, err = getString(p.stringTable, &pt.typeX, err)
pt.Unit, err = getString(p.stringTable, &pt.unitX, err)
}
for _, i := range p.commentX {
var c string
c, err = getString(p.stringTable, &i, err)
p.Comments = append(p.Comments, c)
}
p.commentX = nil
p.DefaultSampleType, err = getString(p.stringTable, &p.defaultSampleTypeX, err)
p.stringTable = nil
return nil
}
func (p *ValueType) decoder() []decoder {
return valueTypeDecoder
}
func (p *ValueType) encode(b *buffer) {
encodeInt64Opt(b, 1, p.typeX)
encodeInt64Opt(b, 2, p.unitX)
}
var valueTypeDecoder = []decoder{
nil, // 0
// optional int64 type = 1
func(b *buffer, m message) error { return decodeInt64(b, &m.(*ValueType).typeX) },
// optional int64 unit = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*ValueType).unitX) },
}
func (p *Sample) decoder() []decoder {
return sampleDecoder
}
func (p *Sample) encode(b *buffer) {
encodeUint64s(b, 1, p.locationIDX)
for _, x := range p.Value {
encodeInt64(b, 2, x)
}
for _, x := range p.labelX {
encodeMessage(b, 3, x)
}
}
var sampleDecoder = []decoder{
nil, // 0
// repeated uint64 location = 1
func(b *buffer, m message) error { return decodeUint64s(b, &m.(*Sample).locationIDX) },
// repeated int64 value = 2
func(b *buffer, m message) error { return decodeInt64s(b, &m.(*Sample).Value) },
// repeated Label label = 3
func(b *buffer, m message) error {
s := m.(*Sample)
n := len(s.labelX)
s.labelX = append(s.labelX, Label{})
return decodeMessage(b, &s.labelX[n])
},
}
func (p Label) decoder() []decoder {
return labelDecoder
}
func (p Label) encode(b *buffer) {
encodeInt64Opt(b, 1, p.keyX)
encodeInt64Opt(b, 2, p.strX)
encodeInt64Opt(b, 3, p.numX)
}
var labelDecoder = []decoder{
nil, // 0
// optional int64 key = 1
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Label).keyX) },
// optional int64 str = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Label).strX) },
// optional int64 num = 3
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Label).numX) },
}
func (p *Mapping) decoder() []decoder {
return mappingDecoder
}
func (p *Mapping) encode(b *buffer) {
encodeUint64Opt(b, 1, p.ID)
encodeUint64Opt(b, 2, p.Start)
encodeUint64Opt(b, 3, p.Limit)
encodeUint64Opt(b, 4, p.Offset)
encodeInt64Opt(b, 5, p.fileX)
encodeInt64Opt(b, 6, p.buildIDX)
encodeBoolOpt(b, 7, p.HasFunctions)
encodeBoolOpt(b, 8, p.HasFilenames)
encodeBoolOpt(b, 9, p.HasLineNumbers)
encodeBoolOpt(b, 10, p.HasInlineFrames)
}
var mappingDecoder = []decoder{
nil, // 0
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).ID) }, // optional uint64 id = 1
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).Start) }, // optional uint64 memory_offset = 2
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).Limit) }, // optional uint64 memory_limit = 3
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Mapping).Offset) }, // optional uint64 file_offset = 4
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Mapping).fileX) }, // optional int64 filename = 5
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Mapping).buildIDX) }, // optional int64 build_id = 6
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasFunctions) }, // optional bool has_functions = 7
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasFilenames) }, // optional bool has_filenames = 8
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasLineNumbers) }, // optional bool has_line_numbers = 9
func(b *buffer, m message) error { return decodeBool(b, &m.(*Mapping).HasInlineFrames) }, // optional bool has_inline_frames = 10
}
func (p *Location) decoder() []decoder {
return locationDecoder
}
func (p *Location) encode(b *buffer) {
encodeUint64Opt(b, 1, p.ID)
encodeUint64Opt(b, 2, p.mappingIDX)
encodeUint64Opt(b, 3, p.Address)
for i := range p.Line {
encodeMessage(b, 4, &p.Line[i])
}
}
var locationDecoder = []decoder{
nil, // 0
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Location).ID) }, // optional uint64 id = 1;
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Location).mappingIDX) }, // optional uint64 mapping_id = 2;
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Location).Address) }, // optional uint64 address = 3;
func(b *buffer, m message) error { // repeated Line line = 4
pp := m.(*Location)
n := len(pp.Line)
pp.Line = append(pp.Line, Line{})
return decodeMessage(b, &pp.Line[n])
},
}
func (p *Line) decoder() []decoder {
return lineDecoder
}
func (p *Line) encode(b *buffer) {
encodeUint64Opt(b, 1, p.functionIDX)
encodeInt64Opt(b, 2, p.Line)
}
var lineDecoder = []decoder{
nil, // 0
// optional uint64 function_id = 1
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Line).functionIDX) },
// optional int64 line = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Line).Line) },
}
func (p *Function) decoder() []decoder {
return functionDecoder
}
func (p *Function) encode(b *buffer) {
encodeUint64Opt(b, 1, p.ID)
encodeInt64Opt(b, 2, p.nameX)
encodeInt64Opt(b, 3, p.systemNameX)
encodeInt64Opt(b, 4, p.filenameX)
encodeInt64Opt(b, 5, p.StartLine)
}
var functionDecoder = []decoder{
nil, // 0
// optional uint64 id = 1
func(b *buffer, m message) error { return decodeUint64(b, &m.(*Function).ID) },
// optional int64 function_name = 2
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).nameX) },
// optional int64 function_system_name = 3
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).systemNameX) },
// repeated int64 filename = 4
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).filenameX) },
// optional int64 start_line = 5
func(b *buffer, m message) error { return decodeInt64(b, &m.(*Function).StartLine) },
}
func addString(strings map[string]int, s string) int64 {
i, ok := strings[s]
if !ok {
i = len(strings)
strings[s] = i
}
return int64(i)
}
func getString(strings []string, strng *int64, err error) (string, error) {
if err != nil {
return "", err
}
s := int(*strng)
if s < 0 || s >= len(strings) {
return "", errMalformed
}
*strng = 0
return strings[s], nil
}
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