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options.go
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options.go
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package handler
import (
"github.com/unistack-org/micro/v3/api/router"
"github.com/unistack-org/micro/v3/client"
"github.com/unistack-org/micro/v3/logger"
)
var (
// DefaultMaxRecvSize specifies max recv size for handler
DefaultMaxRecvSize int64 = 1024 * 1024 * 100 // 10Mb
)
// Options struct holds handler options
type Options struct {
Router router.Router
Client client.Client
Logger logger.Logger
Namespace string
MaxRecvSize int64
}
// Option func signature
type Option func(o *Options)
// NewOptions creates new options struct and fills it
func NewOptions(opts ...Option) Options {
options := Options{
Client: client.DefaultClient,
Router: router.DefaultRouter,
Logger: logger.DefaultLogger,
MaxRecvSize: DefaultMaxRecvSize,
}
for _, o := range opts {
o(&options)
}
// set namespace if blank
if len(options.Namespace) == 0 {
WithNamespace("go.micro.api")(&options)
}
return options
}
// WithNamespace specifies the namespace for the handler
func WithNamespace(s string) Option {
return func(o *Options) {
o.Namespace = s
}
}
// WithRouter specifies a router to be used by the handler
func WithRouter(r router.Router) Option {
return func(o *Options) {
o.Router = r
}
}
// WithClient specifies client to be used by the handler
func WithClient(c client.Client) Option {
return func(o *Options) {
o.Client = c
}
}
// WithMaxRecvSize specifies max body size
func WithMaxRecvSize(size int64) Option {
return func(o *Options) {
o.MaxRecvSize = size
}
}