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#include "grpc_request_proxy.h" 
 
#include "rpc_calls.h" 
#include "rpc_kqp_base.h" 
#include "rpc_request_base.h" 
 
#include <ydb/library/yql/public/issue/yql_issue_message.h>
#include <ydb/library/yql/public/issue/yql_issue.h>
 
#include <library/cpp/actors/core/interconnect.h> 
#include <library/cpp/actors/core/hfunc.h> 
#include <library/cpp/actors/interconnect/interconnect.h> 
#include <library/cpp/digest/old_crc/crc.h> 
 
#include <util/random/shuffle.h> 
 
#include <ydb/core/health_check/health_check.h>
 
namespace NKikimr { 
namespace NGRpcService { 
 
using namespace NActors; 
using namespace Ydb; 
 
class TSelfCheckRPC : public TRpcRequestActor<TSelfCheckRPC, TEvSelfCheckRequest> { 
public: 
    using TRpcRequestActor::TRpcRequestActor; 
 
    THolder<NHealthCheck::TEvSelfCheckResult> Result; 
    Ydb::StatusIds_StatusCode Status = Ydb::StatusIds::SUCCESS; 
 
    void Bootstrap() { 
        THolder<NHealthCheck::TEvSelfCheckRequest> request = MakeHolder<NHealthCheck::TEvSelfCheckRequest>(); 
        request->Request = *(Request->GetProtoRequest()); 
        if (Request->GetDatabaseName()) { 
            request->Database = Request->GetDatabaseName().GetRef(); 
        } 
        Send(NHealthCheck::MakeHealthCheckID(), request.Release()); 
        Become(&TThis::StateWait); 
    } 
 
    STATEFN(StateWait) { 
        switch (ev->GetTypeRewrite()) { 
            hFunc(TEvents::TEvUndelivered, Handle); 
            hFunc(NHealthCheck::TEvSelfCheckResult, Handle); 
        } 
    } 
 
    void Handle(NHealthCheck::TEvSelfCheckResult::TPtr& ev) { 
        Status = Ydb::StatusIds::SUCCESS; 
        Result = ev->Release(); 
        ReplyAndPassAway(); 
    } 
 
    void Handle(TEvents::TEvUndelivered::TPtr&) { 
        Status = Ydb::StatusIds::UNAVAILABLE; 
        ReplyAndPassAway(); 
    } 
 
    void ReplyAndPassAway() { 
        TResponse response; 
        Ydb::Operations::Operation& operation = *response.mutable_operation(); 
        operation.set_ready(true); 
        operation.set_status(Status); 
        if (Result) { 
            operation.mutable_result()->PackFrom(Result->Result); 
        } 
        return Reply(response); 
    } 
}; 
 
void TGRpcRequestProxy::Handle(TEvSelfCheckRequest::TPtr& ev, const TActorContext& ctx) { 
    ctx.Register(new TSelfCheckRPC(ev->Release().Release())); 
} 
 
} // namespace NGRpcService 
} // namespace NKikimr