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30 lines
707 B
Go
30 lines
707 B
Go
package clientinterceptors
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import (
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"context"
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"path"
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"zero/core/breaker"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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func acceptable(err error) bool {
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switch status.Code(err) {
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case codes.DeadlineExceeded, codes.Internal, codes.Unavailable, codes.DataLoss:
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return false
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default:
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return true
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}
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}
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func BreakerInterceptor(ctx context.Context, method string, req, reply interface{},
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cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
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breakerName := path.Join(cc.Target(), method)
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return breaker.DoWithAcceptable(breakerName, func() error {
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return invoker(ctx, method, req, reply, cc, opts...)
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}, acceptable)
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}
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