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/* $Id: errorprint.cpp $ */
/** @file
* MS COM / XPCOM Abstraction Layer:
* Error info print helpers. This implements the shared code from the macros from errorprint.h.
*/
/*
* Copyright (C) 2009-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include <VBox/com/ErrorInfo.h>
#include <VBox/com/errorprint.h>
#include <VBox/log.h>
#include <ProgressImpl.h>
#include <iprt/stream.h>
#include <iprt/message.h>
#include <iprt/path.h>
namespace com
{
void GluePrintErrorInfo(const com::ErrorInfo &info)
{
bool haveResultCode = false;
#if defined (RT_OS_WIN)
haveResultCode = info.isFullAvailable();
bool haveComponent = true;
bool haveInterfaceID = true;
#else /* defined (RT_OS_WIN) */
haveResultCode = true;
bool haveComponent = info.isFullAvailable();
bool haveInterfaceID = info.isFullAvailable();
#endif
try
{
Utf8Str str;
RTCList<Utf8Str> comp;
Bstr bstrDetailsText = info.getText();
if (!bstrDetailsText.isEmpty())
str = Utf8StrFmt("%ls\n",
bstrDetailsText.raw());
if (haveResultCode)
comp.append(Utf8StrFmt("code %Rhrc (0x%RX32)",
info.getResultCode(),
info.getResultCode()));
if (haveComponent)
comp.append(Utf8StrFmt("component %ls",
info.getComponent().raw()));
if (haveInterfaceID)
comp.append(Utf8StrFmt("interface %ls",
info.getInterfaceName().raw()));
if (!info.getCalleeName().isEmpty())
comp.append(Utf8StrFmt("callee %ls",
info.getCalleeName().raw()));
if (comp.size() > 0)
{
str += "Details: ";
for (size_t i = 0; i < comp.size() - 1; ++i)
str += comp.at(i) + ", ";
str += comp.last();
str += "\n";
}
// print and log
RTMsgError("%s", str.c_str());
Log(("ERROR: %s", str.c_str()));
}
catch (std::bad_alloc &)
{
RTMsgError("std::bad_alloc in GluePrintErrorInfo!");
Log(("ERROR: std::bad_alloc in GluePrintErrorInfo!\n"));
}
}
void GluePrintErrorContext(const char *pcszContext, const char *pcszSourceFile, uint32_t ulLine)
{
// pcszSourceFile comes from __FILE__ macro, which always contains the full path,
// which we don't want to see printed:
// print and log
const char *pszFilenameOnly = RTPathFilename(pcszSourceFile);
RTMsgError("Context: \"%s\" at line %d of file %s\n", pcszContext, ulLine, pszFilenameOnly);
Log(("Context: \"%s\" at line %d of file %s\n", pcszContext, ulLine, pszFilenameOnly));
}
void GluePrintRCMessage(HRESULT rc)
{
// print and log
RTMsgError("Code %Rhra (extended info not available)\n", rc);
Log(("ERROR: Code %Rhra (extended info not available)\n", rc));
}
static void glueHandleComErrorInternal(com::ErrorInfo &info,
const char *pcszContext,
HRESULT rc,
const char *pcszSourceFile,
uint32_t ulLine)
{
if (info.isFullAvailable() || info.isBasicAvailable())
{
const com::ErrorInfo *pInfo = &info;
do
{
GluePrintErrorInfo(*pInfo);
pInfo = pInfo->getNext();
/* If there is more than one error, separate them visually. */
if (pInfo)
{
/* If there are several errors then at least basic error
* information must be available, otherwise something went
* horribly wrong. */
Assert(pInfo->isFullAvailable() || pInfo->isBasicAvailable());
RTMsgError("--------\n");
}
}
while (pInfo);
}
else
GluePrintRCMessage(rc);
GluePrintErrorContext(pcszContext, pcszSourceFile, ulLine);
}
void GlueHandleComError(ComPtr<IUnknown> iface,
const char *pcszContext,
HRESULT rc,
const char *pcszSourceFile,
uint32_t ulLine)
{
/* If we have full error info, print something nice, and start with the
* actual error message. */
com::ErrorInfo info(iface, COM_IIDOF(IUnknown));
glueHandleComErrorInternal(info,
pcszContext,
rc,
pcszSourceFile,
ulLine);
}
void GlueHandleComErrorProgress(ComPtr<IProgress> progress,
const char *pcszContext,
HRESULT rc,
const char *pcszSourceFile,
uint32_t ulLine)
{
/* Get the error info out of the progress object. */
ProgressErrorInfo ei(progress);
glueHandleComErrorInternal(ei,
pcszContext,
rc,
pcszSourceFile,
ulLine);
}
} /* namespace com */
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