41 lines
955 B
Go
41 lines
955 B
Go
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package ratelimit
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import (
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"github.com/micro/go-micro/client"
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"github.com/micro/go-micro/server"
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"go.uber.org/ratelimit"
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"golang.org/x/net/context"
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)
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type clientWrapper struct {
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r ratelimit.Limiter
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client.Client
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}
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func (c *clientWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
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c.r.Take()
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return c.Client.Call(ctx, req, rsp, opts...)
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}
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// NewClientWrapper creates a blocking side rate limiter
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func NewClientWrapper(rate int) client.Wrapper {
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r := ratelimit.New(rate)
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return func(c client.Client) client.Client {
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return &clientWrapper{r, c}
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}
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}
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// NewHandlerWrapper creates a blocking server side rate limiter
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func NewHandlerWrapper(rate int) server.HandlerWrapper {
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r := ratelimit.New(rate)
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return func(h server.HandlerFunc) server.HandlerFunc {
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return func(ctx context.Context, req server.Request, rsp interface{}) error {
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r.Take()
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return h(ctx, req, rsp)
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}
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}
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}
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