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go-zero/zrpc/internal/clientinterceptors/timeoutinterceptor.go

24 lines
640 B
Go

package clientinterceptors
import (
"context"
"time"
"github.com/tal-tech/go-zero/core/contextx"
"google.golang.org/grpc"
)
// TimeoutInterceptor is an interceptor that controls timeout.
func TimeoutInterceptor(timeout time.Duration) grpc.UnaryClientInterceptor {
return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn,
invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
if timeout <= 0 {
return invoker(ctx, method, req, reply, cc, opts...)
}
ctx, cancel := contextx.ShrinkDeadline(ctx, timeout)
defer cancel()
return invoker(ctx, method, req, reply, cc, opts...)
}
}