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harunpeksen/UnaryServerInterceptor.go

Created March 10, 2022 16:11
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UnaryServerInterceptor.go
// Example of Unary Interceptor
func exampleUnaryServerInterceptor(ctx context.Context, req interface{},
info *grpc.UnaryServerInfo, handler grpc.UnaryHandler)
(interface{}, error) {
// Codes before executing GRPC
log.Println("Some messages before execution")
// Usual execution of a unary RPC
m, err := handler(ctx, req)
// Codes after executing GRPC
log.Println("Some messages after execution")
return m, err
}
func main() {
...
// Registering gRPC server with UnaryInterceptor
s := grpc.NewServer(grpc.UnaryInterceptor(exampleUnaryServerInterceptor))
...
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