Message.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Trace/Config.h"
#include "Trace/Trace.h"
#include <stdio.h>
 
#if TRACE_PRIVATE_MINIMAL_ENABLED
 
namespace UE {
namespace Trace {
namespace Private {
 
bool GetErrorMessage(char* OutBuffer, uint32 BufferSize, int32 ErrorCode);
 
#define UE_TRACE_MESSAGE_FMT_MAX_SIZE 512
#define UE_TRACE_MESSAGE_ERR_MAX_SIZE 256
 
#define UE_TRACE_MESSAGE(Type, Msg) \
    Message_Send(EMessageType::Type, #Type, Msg);
 
#define UE_TRACE_MESSAGE_F(Type, Fmt, ...) \
    {\
        char Buff[UE_TRACE_MESSAGE_FMT_MAX_SIZE];\
        snprintf(Buff, UE_TRACE_MESSAGE_FMT_MAX_SIZE, Fmt, __VA_ARGS__);\
        Message_Send(EMessageType::Type, #Type, Buff);\
    }
 
#define UE_TRACE_ERRORMESSAGE(Type, ErrorCode)\
    {\
        char ErrorMessageBuffer[UE_TRACE_MESSAGE_ERR_MAX_SIZE] = {'\0'};\
        GetErrorMessage(ErrorMessageBuffer, UE_TRACE_MESSAGE_ERR_MAX_SIZE, ErrorCode);\
        UE_TRACE_MESSAGE_F(Type, "(error code %d): '%s'", ErrorCode, ErrorMessageBuffer)\
    }
 
#define UE_TRACE_ERRORMESSAGE_F(Type, ErrorCode, ContextFmt, ...)\
    {\
        char ErrorMessageBuffer[UE_TRACE_MESSAGE_ERR_MAX_SIZE];\
        if (GetErrorMessage(ErrorMessageBuffer, UE_TRACE_MESSAGE_ERR_MAX_SIZE, ErrorCode))\
        {\
            char FinalBuff[UE_TRACE_MESSAGE_FMT_MAX_SIZE];\
            snprintf(FinalBuff, UE_TRACE_MESSAGE_FMT_MAX_SIZE, ContextFmt ": '%s'", __VA_ARGS__, ErrorMessageBuffer);\
            Message_Send(EMessageType::Type, #Type, FinalBuff);\
        }\
        else\
        {\
            UE_TRACE_MESSAGE_F(Type, "(error code %d)", ErrorCode)\
        }\
    }
 
void Message_SetCallback(UE::Trace::OnMessageFunc* Callback);
 
void Message_Send(EMessageType Type, const char* TypeStr, const char* Description = nullptr);
 
 
} } } // namespace UE::Trace::Private
 
#endif // TRACE_PRIVATE_MINIMAL_ENABLED