micro/api/handler/options.go

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package handler
import (
"github.com/micro/go-micro/v2/api/router"
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"github.com/micro/go-micro/v2/client"
"github.com/micro/go-micro/v2/client/grpc"
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)
var (
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DefaultMaxRecvSize int64 = 1024 * 1024 * 100 // 10Mb
)
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type Options struct {
MaxRecvSize int64
Namespace string
Router router.Router
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Client client.Client
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}
type Option func(o *Options)
// NewOptions fills in the blanks
func NewOptions(opts ...Option) Options {
var options Options
for _, o := range opts {
o(&options)
}
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if options.Client == nil {
WithClient(grpc.NewClient())(&options)
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}
// set namespace if blank
if len(options.Namespace) == 0 {
WithNamespace("go.micro.api")(&options)
}
if options.MaxRecvSize == 0 {
options.MaxRecvSize = DefaultMaxRecvSize
}
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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
}
}
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func WithClient(c client.Client) Option {
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return func(o *Options) {
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o.Client = c
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}
}
// WithmaxRecvSize specifies max body size
func WithMaxRecvSize(size int64) Option {
return func(o *Options) {
o.MaxRecvSize = size
}
}