mirror of
https://github.com/rwinkhart/go-winio.git
synced 2026-08-28 04:46:50 -04:00
Support logging more Go types to ETW
Signed-off-by: Kevin Parsons <kevpar@ntdev.microsoft.com>
This commit is contained in:
Kevin Parsons
@@ -24,6 +24,26 @@ func (ed *EventData) WriteString(data string) {
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ed.buffer.WriteByte(0)
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}
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// WriteInt8 appends a int8 to the buffer.
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func (ed *EventData) WriteInt8(value int8) {
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ed.buffer.WriteByte(uint8(value))
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}
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// WriteInt16 appends a int16 to the buffer.
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func (ed *EventData) WriteInt16(value int16) {
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binary.Write(&ed.buffer, binary.LittleEndian, value)
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}
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// WriteInt32 appends a int32 to the buffer.
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func (ed *EventData) WriteInt32(value int32) {
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binary.Write(&ed.buffer, binary.LittleEndian, value)
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}
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// WriteInt64 appends a int64 to the buffer.
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func (ed *EventData) WriteInt64(value int64) {
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binary.Write(&ed.buffer, binary.LittleEndian, value)
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}
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// WriteUint8 appends a uint8 to the buffer.
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func (ed *EventData) WriteUint8(value uint8) {
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ed.buffer.WriteByte(value)
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+340
-1
@@ -1,5 +1,10 @@
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package etw
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import (
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"math"
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"unsafe"
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)
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// FieldOpt defines the option function type that can be passed to
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// Provider.WriteEvent to add fields to the event.
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type FieldOpt func(em *EventMetadata, ed *EventData)
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@@ -9,6 +14,33 @@ func WithFields(opts ...FieldOpt) []FieldOpt {
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return opts
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}
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// BoolField adds a single bool field to the event.
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func BoolField(name string, value bool) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeUint8, OutTypeBoolean, 0)
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bool8 := uint8(0)
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if value {
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bool8 = uint8(1)
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}
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ed.WriteUint8(bool8)
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}
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}
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// BoolArray adds an array of bool to the event.
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func BoolArray(name string, values []bool) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeUint8, OutTypeBoolean, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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bool8 := uint8(0)
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if v {
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bool8 = uint8(1)
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}
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ed.WriteUint8(bool8)
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}
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}
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}
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// StringField adds a single string field to the event.
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func StringField(name string, value string) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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@@ -17,7 +49,7 @@ func StringField(name string, value string) FieldOpt {
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}
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}
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// StringArray adds an array of strings to the event.
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// StringArray adds an array of string to the event.
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func StringArray(name string, values []string) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeANSIString, OutTypeUTF8, 0)
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@@ -28,6 +60,313 @@ func StringArray(name string, values []string) FieldOpt {
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}
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}
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// IntField adds a single int field to the event.
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func IntField(name string, value int) FieldOpt {
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switch unsafe.Sizeof(value) {
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case 4:
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return Int32Field(name, int32(value))
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case 8:
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return Int64Field(name, int64(value))
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default:
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panic("Unsupported int size")
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}
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}
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// IntArray adds an array of int to the event.
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func IntArray(name string, values []int) FieldOpt {
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inType := InTypeNull
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var writeItem func(*EventData, int)
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switch unsafe.Sizeof(values[0]) {
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case 4:
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inType = InTypeInt32
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writeItem = func(ed *EventData, item int) { ed.WriteInt32(int32(item)) }
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case 8:
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inType = InTypeInt64
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writeItem = func(ed *EventData, item int) { ed.WriteInt64(int64(item)) }
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default:
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panic("Unsupported int size")
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}
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, inType, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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writeItem(ed, v)
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}
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}
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}
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// Int8Field adds a single int8 field to the event.
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func Int8Field(name string, value int8) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeInt8, OutTypeDefault, 0)
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ed.WriteInt8(value)
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}
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}
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// Int8Array adds an array of int8 to the event.
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func Int8Array(name string, values []int8) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeInt8, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteInt8(v)
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}
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}
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}
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// Int16Field adds a single int16 field to the event.
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func Int16Field(name string, value int16) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeInt16, OutTypeDefault, 0)
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ed.WriteInt16(value)
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}
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}
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// Int16Array adds an array of int16 to the event.
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func Int16Array(name string, values []int16) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeInt16, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteInt16(v)
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}
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}
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}
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// Int32Field adds a single int32 field to the event.
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func Int32Field(name string, value int32) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeInt32, OutTypeDefault, 0)
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ed.WriteInt32(value)
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}
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}
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// Int32Array adds an array of int32 to the event.
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func Int32Array(name string, values []int32) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeInt32, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteInt32(v)
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}
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}
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}
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// Int64Field adds a single int64 field to the event.
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func Int64Field(name string, value int64) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeInt64, OutTypeDefault, 0)
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ed.WriteInt64(value)
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}
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}
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// Int64Array adds an array of int64 to the event.
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func Int64Array(name string, values []int64) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeInt64, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteInt64(v)
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}
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}
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}
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// UintField adds a single uint field to the event.
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func UintField(name string, value uint) FieldOpt {
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switch unsafe.Sizeof(value) {
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case 4:
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return Uint32Field(name, uint32(value))
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case 8:
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return Uint64Field(name, uint64(value))
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default:
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panic("Unsupported uint size")
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}
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}
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// UintArray adds an array of uint to the event.
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func UintArray(name string, values []uint) FieldOpt {
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inType := InTypeNull
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var writeItem func(*EventData, uint)
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switch unsafe.Sizeof(values[0]) {
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case 4:
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inType = InTypeUint32
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writeItem = func(ed *EventData, item uint) { ed.WriteUint32(uint32(item)) }
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case 8:
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inType = InTypeUint64
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writeItem = func(ed *EventData, item uint) { ed.WriteUint64(uint64(item)) }
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default:
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panic("Unsupported uint size")
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}
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, inType, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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writeItem(ed, v)
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}
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}
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}
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// Uint8Field adds a single uint8 field to the event.
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func Uint8Field(name string, value uint8) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeUint8, OutTypeDefault, 0)
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ed.WriteUint8(value)
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}
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}
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// Uint8Array adds an array of uint8 to the event.
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func Uint8Array(name string, values []uint8) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeUint8, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteUint8(v)
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}
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}
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}
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// Uint16Field adds a single uint16 field to the event.
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func Uint16Field(name string, value uint16) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeUint16, OutTypeDefault, 0)
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ed.WriteUint16(value)
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}
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}
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// Uint16Array adds an array of uint16 to the event.
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func Uint16Array(name string, values []uint16) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeUint16, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteUint16(v)
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}
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}
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}
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// Uint32Field adds a single uint32 field to the event.
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func Uint32Field(name string, value uint32) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeUint32, OutTypeDefault, 0)
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ed.WriteUint32(value)
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}
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}
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// Uint32Array adds an array of uint32 to the event.
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func Uint32Array(name string, values []uint32) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeUint32, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteUint32(v)
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}
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}
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}
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// Uint64Field adds a single uint64 field to the event.
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func Uint64Field(name string, value uint64) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeUint64, OutTypeDefault, 0)
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ed.WriteUint64(value)
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}
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}
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// Uint64Array adds an array of uint64 to the event.
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func Uint64Array(name string, values []uint64) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeUint64, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteUint64(v)
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}
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}
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}
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// UintptrField adds a single uintptr field to the event.
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func UintptrField(name string, value uintptr) FieldOpt {
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inType := InTypeNull
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var writeItem func(*EventData, uintptr)
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switch unsafe.Sizeof(value) {
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case 4:
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inType = InTypeHexInt32
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writeItem = func(ed *EventData, item uintptr) { ed.WriteUint32(uint32(item)) }
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case 8:
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inType = InTypeHexInt64
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writeItem = func(ed *EventData, item uintptr) { ed.WriteUint64(uint64(item)) }
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default:
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panic("Unsupported uintptr size")
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}
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, inType, OutTypeDefault, 0)
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writeItem(ed, value)
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}
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}
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// UintptrArray adds an array of uintptr to the event.
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func UintptrArray(name string, values []uintptr) FieldOpt {
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inType := InTypeNull
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var writeItem func(*EventData, uintptr)
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switch unsafe.Sizeof(values[0]) {
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case 4:
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inType = InTypeHexInt32
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writeItem = func(ed *EventData, item uintptr) { ed.WriteUint32(uint32(item)) }
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case 8:
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inType = InTypeHexInt64
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writeItem = func(ed *EventData, item uintptr) { ed.WriteUint64(uint64(item)) }
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default:
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panic("Unsupported uintptr size")
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}
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, inType, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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writeItem(ed, v)
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}
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}
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}
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// Float32Field adds a single float32 field to the event.
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func Float32Field(name string, value float32) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeFloat, OutTypeDefault, 0)
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ed.WriteUint32(math.Float32bits(value))
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}
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}
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// Float32Array adds an array of float32 to the event.
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func Float32Array(name string, values []float32) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeFloat, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
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for _, v := range values {
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ed.WriteUint32(math.Float32bits(v))
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}
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}
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}
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// Float64Field adds a single float64 field to the event.
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func Float64Field(name string, value float64) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteField(name, InTypeDouble, OutTypeDefault, 0)
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ed.WriteUint64(math.Float64bits(value))
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}
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}
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// Float64Array adds an array of float64 to the event.
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func Float64Array(name string, values []float64) FieldOpt {
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return func(em *EventMetadata, ed *EventData) {
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em.WriteArray(name, InTypeDouble, OutTypeDefault, 0)
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ed.WriteUint16(uint16(len(values)))
|
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for _, v := range values {
|
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ed.WriteUint64(math.Float64bits(v))
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}
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}
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}
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// Struct adds a nested struct to the event, the FieldOpts in the opts argument
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// are used to specify the fields of the struct.
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func Struct(name string, opts ...FieldOpt) FieldOpt {
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+122
-6
@@ -53,12 +53,7 @@ func (h *Hook) Fire(e *logrus.Entry) error {
|
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fields = append(fields, etw.StringField("Message", e.Message))
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|
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for k, v := range e.Data {
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switch v := v.(type) {
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case string:
|
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fields = append(fields, etw.StringField(k, v))
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default:
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fields = append(fields, etw.StringField(k, fmt.Sprintf("<unknown type: %v> %v", reflect.TypeOf(v), v)))
|
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}
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fields = append(fields, getFieldOpt(k, v))
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}
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|
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// We could try to map Logrus levels to ETW levels, but we would lose some
|
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@@ -70,6 +65,127 @@ func (h *Hook) Fire(e *logrus.Entry) error {
|
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fields)
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}
|
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|
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// Currently, we support logging basic builtin types (int, string, etc), slices
|
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// of basic builtin types, error, types derived from the basic types (e.g. "type
|
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// foo int"), and structs (recursively logging their fields). We do not support
|
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// slices of derived types (e.g. "[]foo").
|
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//
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// For types that we don't support, the value is formatted via fmt.Sprint, and
|
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// we also log a message that the type is unsupported along with the formatted
|
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// type. The intent of this is to make it easier to see which types are not
|
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// supported in traces, so we can evaluate adding support for more types in the
|
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// future.
|
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func getFieldOpt(k string, v interface{}) etw.FieldOpt {
|
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switch v := v.(type) {
|
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case bool:
|
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return etw.BoolField(k, v)
|
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case []bool:
|
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return etw.BoolArray(k, v)
|
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case string:
|
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return etw.StringField(k, v)
|
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case []string:
|
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return etw.StringArray(k, v)
|
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case int:
|
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return etw.IntField(k, v)
|
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case []int:
|
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return etw.IntArray(k, v)
|
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case int8:
|
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return etw.Int8Field(k, v)
|
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case []int8:
|
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return etw.Int8Array(k, v)
|
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case int16:
|
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return etw.Int16Field(k, v)
|
||||
case []int16:
|
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return etw.Int16Array(k, v)
|
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case int32:
|
||||
return etw.Int32Field(k, v)
|
||||
case []int32:
|
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return etw.Int32Array(k, v)
|
||||
case int64:
|
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return etw.Int64Field(k, v)
|
||||
case []int64:
|
||||
return etw.Int64Array(k, v)
|
||||
case uint:
|
||||
return etw.UintField(k, v)
|
||||
case []uint:
|
||||
return etw.UintArray(k, v)
|
||||
case uint8:
|
||||
return etw.Uint8Field(k, v)
|
||||
case []uint8:
|
||||
return etw.Uint8Array(k, v)
|
||||
case uint16:
|
||||
return etw.Uint16Field(k, v)
|
||||
case []uint16:
|
||||
return etw.Uint16Array(k, v)
|
||||
case uint32:
|
||||
return etw.Uint32Field(k, v)
|
||||
case []uint32:
|
||||
return etw.Uint32Array(k, v)
|
||||
case uint64:
|
||||
return etw.Uint64Field(k, v)
|
||||
case []uint64:
|
||||
return etw.Uint64Array(k, v)
|
||||
case uintptr:
|
||||
return etw.UintptrField(k, v)
|
||||
case []uintptr:
|
||||
return etw.UintptrArray(k, v)
|
||||
case float32:
|
||||
return etw.Float32Field(k, v)
|
||||
case []float32:
|
||||
return etw.Float32Array(k, v)
|
||||
case float64:
|
||||
return etw.Float64Field(k, v)
|
||||
case []float64:
|
||||
return etw.Float64Array(k, v)
|
||||
case error:
|
||||
return etw.StringField(k, v.Error())
|
||||
default:
|
||||
switch rv := reflect.ValueOf(v); rv.Kind() {
|
||||
case reflect.Bool:
|
||||
return getFieldOpt(k, rv.Bool())
|
||||
case reflect.Int:
|
||||
return getFieldOpt(k, int(rv.Int()))
|
||||
case reflect.Int8:
|
||||
return getFieldOpt(k, int8(rv.Int()))
|
||||
case reflect.Int16:
|
||||
return getFieldOpt(k, int16(rv.Int()))
|
||||
case reflect.Int32:
|
||||
return getFieldOpt(k, int32(rv.Int()))
|
||||
case reflect.Int64:
|
||||
return getFieldOpt(k, int64(rv.Int()))
|
||||
case reflect.Uint:
|
||||
return getFieldOpt(k, uint(rv.Uint()))
|
||||
case reflect.Uint8:
|
||||
return getFieldOpt(k, uint8(rv.Uint()))
|
||||
case reflect.Uint16:
|
||||
return getFieldOpt(k, uint16(rv.Uint()))
|
||||
case reflect.Uint32:
|
||||
return getFieldOpt(k, uint32(rv.Uint()))
|
||||
case reflect.Uint64:
|
||||
return getFieldOpt(k, uint64(rv.Uint()))
|
||||
case reflect.Uintptr:
|
||||
return getFieldOpt(k, uintptr(rv.Uint()))
|
||||
case reflect.Float32:
|
||||
return getFieldOpt(k, float32(rv.Float()))
|
||||
case reflect.Float64:
|
||||
return getFieldOpt(k, float64(rv.Float()))
|
||||
case reflect.String:
|
||||
return getFieldOpt(k, rv.String())
|
||||
case reflect.Struct:
|
||||
fields := make([]etw.FieldOpt, 0, rv.NumField())
|
||||
for i := 0; i < rv.NumField(); i++ {
|
||||
field := rv.Field(i)
|
||||
if field.CanInterface() {
|
||||
fields = append(fields, getFieldOpt(k, field.Interface()))
|
||||
}
|
||||
}
|
||||
return etw.Struct(k, fields...)
|
||||
}
|
||||
}
|
||||
|
||||
return etw.StringField(k, fmt.Sprintf("(Unsupported: %T) %v", v, v))
|
||||
}
|
||||
|
||||
// Close cleans up the hook and closes the ETW provider.
|
||||
func (h *Hook) Close() error {
|
||||
return h.provider.Close()
|
||||
|
||||
@@ -0,0 +1,111 @@
|
||||
package etwlogrus
|
||||
|
||||
import (
|
||||
"github.com/Microsoft/go-winio/internal/etw"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func fireEvent(t *testing.T, p *etw.Provider, name string, value interface{}) {
|
||||
if err := p.WriteEvent(
|
||||
name,
|
||||
nil,
|
||||
etw.WithFields(getFieldOpt("Field", value))); err != nil {
|
||||
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
// The purpose of this test is to log lots of different field types, to test the
|
||||
// logic that converts them to ETW. Because we don't have a way to
|
||||
// programatically validate the ETW events, this test has two main purposes: (1)
|
||||
// validate nothing causes a panic while logging (2) allow manual validation that
|
||||
// the data is logged correctly (through a tool like WPA).
|
||||
func TestFieldLogging(t *testing.T) {
|
||||
// Sample WPRP to collect this provider:
|
||||
//
|
||||
// <?xml version="1.0"?>
|
||||
// <WindowsPerformanceRecorder Version="1">
|
||||
// <Profiles>
|
||||
// <EventCollector Id="Collector" Name="MyCollector">
|
||||
// <BufferSize Value="256"/>
|
||||
// <Buffers Value="100"/>
|
||||
// </EventCollector>
|
||||
// <EventProvider Id="HookTest" Name="5e50de03-107c-5a83-74c6-998c4491e7e9"/>
|
||||
// <Profile Id="Test.Verbose.File" Name="Test" Description="Test" LoggingMode="File" DetailLevel="Verbose">
|
||||
// <Collectors>
|
||||
// <EventCollectorId Value="Collector">
|
||||
// <EventProviders>
|
||||
// <EventProviderId Value="HookTest"/>
|
||||
// </EventProviders>
|
||||
// </EventCollectorId>
|
||||
// </Collectors>
|
||||
// </Profile>
|
||||
// </Profiles>
|
||||
// </WindowsPerformanceRecorder>
|
||||
//
|
||||
// Start collection:
|
||||
// wpr -start HookTest.wprp -filemode
|
||||
//
|
||||
// Stop collection:
|
||||
// wpr -stop HookTest.etl
|
||||
p, err := etw.NewProvider("HookTest", nil)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer func() {
|
||||
if err := p.Close(); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}()
|
||||
|
||||
fireEvent(t, p, "Bool", true)
|
||||
fireEvent(t, p, "BoolSlice", []bool{true, false, true})
|
||||
fireEvent(t, p, "String", "teststring")
|
||||
fireEvent(t, p, "StringSlice", []string{"sstr1", "sstr2", "sstr3"})
|
||||
fireEvent(t, p, "Int", int(1))
|
||||
fireEvent(t, p, "IntSlice", []int{2, 3, 4})
|
||||
fireEvent(t, p, "Int8", int8(5))
|
||||
fireEvent(t, p, "Int8Slice", []int8{6, 7, 8})
|
||||
fireEvent(t, p, "Int16", int16(9))
|
||||
fireEvent(t, p, "Int16Slice", []int16{10, 11, 12})
|
||||
fireEvent(t, p, "Int32", int32(13))
|
||||
fireEvent(t, p, "Int32Slice", []int32{14, 15, 16})
|
||||
fireEvent(t, p, "Int64", int64(17))
|
||||
fireEvent(t, p, "Int64Slice", []int64{18, 19, 20})
|
||||
fireEvent(t, p, "Uint", uint(21))
|
||||
fireEvent(t, p, "UintSlice", []uint{22, 23, 24})
|
||||
fireEvent(t, p, "Uint8", uint8(25))
|
||||
fireEvent(t, p, "Uint8Slice", []uint8{26, 27, 28})
|
||||
fireEvent(t, p, "Uint16", uint16(29))
|
||||
fireEvent(t, p, "Uint16Slice", []uint16{30, 31, 32})
|
||||
fireEvent(t, p, "Uint32", uint32(33))
|
||||
fireEvent(t, p, "Uint32Slice", []uint32{34, 35, 36})
|
||||
fireEvent(t, p, "Uint64", uint64(37))
|
||||
fireEvent(t, p, "Uint64Slice", []uint64{38, 39, 40})
|
||||
fireEvent(t, p, "Uintptr", uintptr(41))
|
||||
fireEvent(t, p, "UintptrSlice", []uintptr{42, 43, 44})
|
||||
fireEvent(t, p, "Float32", float32(45.46))
|
||||
fireEvent(t, p, "Float32Slice", []float32{47.48, 49.50, 51.52})
|
||||
fireEvent(t, p, "Float64", float64(53.54))
|
||||
fireEvent(t, p, "Float64Slice", []float64{55.56, 57.58, 59.60})
|
||||
|
||||
type struct1 struct {
|
||||
A float32
|
||||
priv int
|
||||
B []uint
|
||||
}
|
||||
type struct2 struct {
|
||||
A int
|
||||
B int
|
||||
}
|
||||
type struct3 struct {
|
||||
struct2
|
||||
A int
|
||||
B string
|
||||
priv string
|
||||
C struct1
|
||||
D uint16
|
||||
}
|
||||
// Unexported fields, and fields in embedded structs, should not log.
|
||||
fireEvent(t, p, "Struct1", struct3{struct2{-1, -2}, 1, "2s", "-3s", struct1{3.4, -4, []uint{5, 6, 7}}, 8})
|
||||
}
|
||||
Reference in New Issue
Block a user