open-consul/vendor/github.com/DataDog/datadog-go/statsd/options.go

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package statsd
import "time"
var (
// DefaultNamespace is the default value for the Namespace option
DefaultNamespace = ""
// DefaultTags is the default value for the Tags option
DefaultTags = []string{}
// DefaultBuffered is the default value for the Buffered option
DefaultBuffered = false
// DefaultMaxMessagesPerPayload is the default value for the MaxMessagesPerPayload option
DefaultMaxMessagesPerPayload = 16
// DefaultAsyncUDS is the default value for the AsyncUDS option
DefaultAsyncUDS = false
// DefaultWriteTimeoutUDS is the default value for the WriteTimeoutUDS option
DefaultWriteTimeoutUDS = 1 * time.Millisecond
)
// Options contains the configuration options for a client.
type Options struct {
// Namespace to prepend to all metrics, events and service checks name.
Namespace string
// Tags are global tags to be applied to every metrics, events and service checks.
Tags []string
// Buffered allows to pack multiple DogStatsD messages in one payload. Messages will be buffered
// until the total size of the payload exceeds MaxMessagesPerPayload metrics, events and/or service
// checks or after 100ms since the payload startedto be built.
Buffered bool
// MaxMessagesPerPayload is the maximum number of metrics, events and/or service checks a single payload will contain.
// Note that this option only takes effect when the client is buffered.
MaxMessagesPerPayload int
// AsyncUDS allows to switch between async and blocking mode for UDS.
// Blocking mode allows for error checking but does not guarentee that calls won't block the execution.
AsyncUDS bool
// WriteTimeoutUDS is the timeout after which a UDS packet is dropped.
WriteTimeoutUDS time.Duration
}
func resolveOptions(options []Option) (*Options, error) {
o := &Options{
Namespace: DefaultNamespace,
Tags: DefaultTags,
Buffered: DefaultBuffered,
MaxMessagesPerPayload: DefaultMaxMessagesPerPayload,
AsyncUDS: DefaultAsyncUDS,
WriteTimeoutUDS: DefaultWriteTimeoutUDS,
}
for _, option := range options {
err := option(o)
if err != nil {
return nil, err
}
}
return o, nil
}
// Option is a client option. Can return an error if validation fails.
type Option func(*Options) error
// WithNamespace sets the Namespace option.
func WithNamespace(namespace string) Option {
return func(o *Options) error {
o.Namespace = namespace
return nil
}
}
// WithTags sets the Tags option.
func WithTags(tags []string) Option {
return func(o *Options) error {
o.Tags = tags
return nil
}
}
// Buffered sets the Buffered option.
func Buffered() Option {
return func(o *Options) error {
o.Buffered = true
return nil
}
}
// WithMaxMessagesPerPayload sets the MaxMessagesPerPayload option.
func WithMaxMessagesPerPayload(maxMessagesPerPayload int) Option {
return func(o *Options) error {
o.MaxMessagesPerPayload = maxMessagesPerPayload
return nil
}
}
// WithAsyncUDS sets the AsyncUDS option.
func WithAsyncUDS() Option {
return func(o *Options) error {
o.AsyncUDS = true
return nil
}
}
// WithWriteTimeoutUDS sets the WriteTimeoutUDS option.
func WithWriteTimeoutUDS(writeTimeoutUDS time.Duration) Option {
return func(o *Options) error {
o.WriteTimeoutUDS = writeTimeoutUDS
return nil
}
}