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#pragma once

#include <string>

#include "pb_string.h"

#include "pb_utils.h"

namespace triton { namespace backend { namespace python {

struct PbErrorShm {

TRITONSERVER_Error_Code code;

bi::managed_external_buffer::handle_t message_shm_handle;

};

class PbError {

public:

PbError(

const std::string& message,

TRITONSERVER_Error_Code code = TRITONSERVER_ERROR_INTERNAL)

: code_(code), message_(message)

{

}

DISALLOW_COPY_AND_ASSIGN(PbError);

TRITONSERVER_Error_Code Code();

const std::string& Message();

void SaveToSharedMemory(std::unique_ptr<SharedMemoryManager>& shm_pool);

bi::managed_external_buffer::handle_t ShmHandle();

static std::shared_ptr<PbError> LoadFromSharedMemory(

std::unique_ptr<SharedMemoryManager>& shm_pool,

bi::managed_external_buffer::handle_t handle);

private:

PbError(

std::shared_ptr<PbString>&& message_shm,

AllocatedSharedMemory<PbErrorShm>&& error_shm,

TRITONSERVER_Error_Code code, std::string&& message);

std::shared_ptr<PbString> message_shm_;

AllocatedSharedMemory<PbErrorShm> error_shm_;

bi::managed_external_buffer::handle_t shm_handle_;

TRITONSERVER_Error_Code code_;

std::string message_;

};

}}}; // namespace triton::backend::python