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//go:build windows
// +build windows
// Shows a sample usage of the ETW logging package.
package main
import (
"bufio"
"fmt"
"log"
"os"
"runtime"
"github.com/Microsoft/go-winio/pkg/etw"
"github.com/Microsoft/go-winio/pkg/guid"
)
func callback(sourceID guid.GUID, state etw.ProviderState, level etw.Level, matchAnyKeyword uint64, matchAllKeyword uint64, filterData uintptr) {
fmt.Printf("Callback: isEnabled=%d, level=%d, matchAnyKeyword=%d\n", state, level, matchAnyKeyword)
}
func main() {
fmt.Printf("Running on %s/%s\n", runtime.GOOS, runtime.GOARCH)
group, err := guid.FromString("12341234-abcd-abcd-abcd-123412341234")
if err != nil {
log.Fatal(err)
}
provider, err := etw.NewProvider("TestProvider", callback)
if err != nil {
log.Fatal(err)
}
defer func() {
if err := provider.Close(); err != nil {
log.Fatal(err)
}
}()
providerWithGroup, err := etw.NewProviderWithOptions("TestProviderWithGroup", etw.WithGroup(group), etw.WithCallback(callback))
if err != nil {
log.Fatal(err)
}
defer func() {
if err := providerWithGroup.Close(); err != nil {
log.Fatal(err)
}
}()
fmt.Printf("Provider ID: %s\n", provider)
fmt.Printf("Provider w/ Group ID: %s\n", providerWithGroup)
reader := bufio.NewReader(os.Stdin)
fmt.Println("Press enter to log events")
reader.ReadString('\n')
if err := provider.WriteEvent(
"TestEvent",
etw.WithEventOpts(
etw.WithLevel(etw.LevelInfo),
etw.WithKeyword(0x140),
),
etw.WithFields(
etw.StringField("TestField", "Foo"),
etw.StringField("TestField2", "Bar"),
etw.Struct("TestStruct",
etw.StringField("Field1", "Value1"),
etw.StringField("Field2", "Value2")),
etw.StringArray("TestArray", []string{
"Item1",
"Item2",
"Item3",
"Item4",
"Item5",
})),
); err != nil {
log.Fatal(err)
}
if err := providerWithGroup.WriteEvent(
"TestEventWithGroup",
etw.WithEventOpts(
etw.WithLevel(etw.LevelInfo),
etw.WithKeyword(0x140),
),
etw.WithFields(
etw.StringField("TestField", "Foo"),
etw.StringField("TestField2", "Bar"),
etw.Struct("TestStruct",
etw.StringField("Field1", "Value1"),
etw.StringField("Field2", "Value2")),
etw.StringArray("TestArray", []string{
"Item1",
"Item2",
"Item3",
"Item4",
"Item5",
})),
); err != nil {
log.Fatal(err)
}
}
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