Files
containerd/vendor/github.com/Microsoft/go-winio/internal/etw/eventopt.go
John Howard d83e4e9b3b Vendor Microsoft/go-winio@v0.4.12
Signed-off-by: John Howard <jhoward@microsoft.com>
2019-02-21 14:16:51 -08:00

64 lines
1.6 KiB
Go

package etw
import (
"golang.org/x/sys/windows"
)
type eventOptions struct {
descriptor *EventDescriptor
activityID *windows.GUID
relatedActivityID *windows.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
}
}
func WithChannel(channel Channel) EventOpt {
return func(options *eventOptions) {
options.descriptor.Channel = channel
}
}
// 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
}
}
func WithActivityID(activityID *windows.GUID) EventOpt {
return func(options *eventOptions) {
options.activityID = activityID
}
}
func WithRelatedActivityID(activityID *windows.GUID) EventOpt {
return func(options *eventOptions) {
options.relatedActivityID = activityID
}
}