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//go:build windows
// +build windows
package etw
import (
"github.com/Microsoft/go-winio/pkg/guid"
)
type eventOptions struct {
descriptor *eventDescriptor
activityID guid.GUID
relatedActivityID guid.GUID
tags uint32
}
// EventOpt defines the option function type that can be passed to
// Provider.WriteEvent to specify general event options, such as level and
// keyword.
type EventOpt func(options *eventOptions)
// WithEventOpts returns the variadic arguments as a single slice.
func WithEventOpts(opts ...EventOpt) []EventOpt {
return opts
}
// WithLevel specifies the level of the event to be written.
func WithLevel(level Level) EventOpt {
return func(options *eventOptions) {
options.descriptor.level = level
}
}
// WithKeyword specifies the keywords of the event to be written. Multiple uses
// of this option are OR'd together.
func WithKeyword(keyword uint64) EventOpt {
return func(options *eventOptions) {
options.descriptor.keyword |= keyword
}
}
// WithChannel specifies the channel of the event to be written.
func WithChannel(channel Channel) EventOpt {
return func(options *eventOptions) {
options.descriptor.channel = channel
}
}
// WithOpcode specifies the opcode of the event to be written.
func WithOpcode(opcode Opcode) EventOpt {
return func(options *eventOptions) {
options.descriptor.opcode = opcode
}
}
// WithTags specifies the tags of the event to be written. Tags is a 28-bit
// value (top 4 bits are ignored) which are interpreted by the event consumer.
func WithTags(newTags uint32) EventOpt {
return func(options *eventOptions) {
options.tags |= newTags
}
}
// WithActivityID specifies the activity ID of the event to be written.
func WithActivityID(activityID guid.GUID) EventOpt {
return func(options *eventOptions) {
options.activityID = activityID
}
}
// WithRelatedActivityID specifies the parent activity ID of the event to be written.
func WithRelatedActivityID(activityID guid.GUID) EventOpt {
return func(options *eventOptions) {
options.relatedActivityID = activityID
}
}
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