greenplumn CMiniDumperTest 代码
文件路径：/src/backend/gporca/libgpos/server/src/unittest/gpos/error/CMiniDumperTest.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2011 EMC Corp.
/
/ @filename:
/ CMiniDumperTest.cpp
/
/ @doc:
/ Tests for minidump handler
/---------------------------------------------------------------------------
#include "unittest/gpos/error/CMiniDumperTest.h"
#include "gpos/base.h"
#include "gpos/common/clibwrapper.h"
#include "gpos/error/CErrorContext.h"
#include "gpos/io/COstreamString.h"
#include "gpos/memory/CAutoMemoryPool.h"
#include "gpos/string/CWStringDynamic.h"
#include "gpos/string/CWStringStatic.h"
#include "gpos/task/CAutoSuspendAbort.h"
#include "gpos/task/CAutoTaskProxy.h"
#include "gpos/test/CUnittest.h"
using namespace gpos;
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::EresUnittest
/
/ @doc:
/ Function for testing minidump handler
/
/---------------------------------------------------------------------------
GPOS_RESULT
CMiniDumperTest::EresUnittest()
{
CUnittest rgut[] = {
GPOS_UNITTEST_FUNC(CMiniDumperTest::EresUnittest_Basic)};
return CUnittest::EresExecute(rgut, GPOS_ARRAY_SIZE(rgut));
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::EresUnittest_Basic
/
/ @doc:
/ Basic test for minidump handler
/
/---------------------------------------------------------------------------
GPOS_RESULT
CMiniDumperTest::EresUnittest_Basic()
{
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
CMiniDumperStream mdrs;
CWStringDynamic wstrMinidump(mp);
COstreamString oss(&wstrMinidump);
mdrs.Init(&oss);
GPOS_TRY
{
(void) PvRaise(nullptr);
}
GPOS_CATCH_EX(ex)
{
mdrs.Finalize();
GPOS_RESET_EX;
GPOS_TRACE(wstrMinidump.GetBuffer());
}
GPOS_CATCH_END;
return GPOS_OK;
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::PvRaise
/
/ @doc:
/ Function raising an exception
/
/---------------------------------------------------------------------------
void *
CMiniDumperTest::PvRaise(void * / pv
)
{
/ register stack serializer with error context
CSerializableStack ss;
clib::USleep(1000);
/ raise exception to trigger minidump
GPOS_OOM_CHECK(nullptr);
return nullptr;
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CMiniDumperStream::CMiniDumperStream
/
/ @doc:
/ Ctor
/
/---------------------------------------------------------------------------
CMiniDumperTest::CMiniDumperStream::CMiniDumperStream() : CMiniDumper()
{
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CMiniDumperStream::~CMiniDumperStream
/
/ @doc:
/ Dtor
/
/---------------------------------------------------------------------------
CMiniDumperTest::CMiniDumperStream::~CMiniDumperStream() = default;
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CMiniDumperStream::UlSerializeHeader
/
/ @doc:
/ Serialize minidump header
/
/---------------------------------------------------------------------------
void
CMiniDumperTest::CMiniDumperStream::SerializeHeader()
{
*m_oos << "\n<MINIDUMP_TEST>\n";
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CMiniDumperStream::UlSerializeFooter
/
/ @doc:
/ Serialize minidump footer
/
/---------------------------------------------------------------------------
void
CMiniDumperTest::CMiniDumperStream::SerializeFooter()
{
*m_oos << "</MINIDUMP_TEST>\n";
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CMiniDumperStream::SerializeEntryHeader
/
/ @doc:
/ Serialize entry header
/
/---------------------------------------------------------------------------
void
CMiniDumperTest::CMiniDumperStream::SerializeEntryHeader()
{
WCHAR wszBuffer[GPOS_MINIDUMP_BUF_SIZE];
CWStringStatic wstr(wszBuffer, GPOS_ARRAY_SIZE(wszBuffer));
wstr.AppendFormat(GPOS_WSZ_LIT("<THREAD ID=%d>\n"), 0);
*m_oos << wstr.GetBuffer();
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CMiniDumperStream::SerializeEntryFooter
/
/ @doc:
/ Serialize entry footer
/
/---------------------------------------------------------------------------
void
CMiniDumperTest::CMiniDumperStream::SerializeEntryFooter()
{
*m_oos << "</THREAD>\n";
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CSerializableStack::CSerializableStack
/
/ @doc:
/ Ctor
/
/---------------------------------------------------------------------------
CMiniDumperTest::CSerializableStack::CSerializableStack() : CSerializable()
{
}
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CSerializableStack::~CSerializableStack
/
/ @doc:
/ Dtor
/
/---------------------------------------------------------------------------
CMiniDumperTest::CSerializableStack::~CSerializableStack() = default;
/---------------------------------------------------------------------------
/ @function:
/ CMiniDumperTest::CSerializableStack::Serialize
/
/ @doc:
/ Serialize object to passed stream
/
/---------------------------------------------------------------------------
void
CMiniDumperTest::CSerializableStack::Serialize(COstream &oos)
{
WCHAR wszStackBuffer[GPOS_MINIDUMP_BUF_SIZE];
CWStringStatic wstr(wszStackBuffer, GPOS_ARRAY_SIZE(wszStackBuffer));
wstr.AppendFormat(GPOS_WSZ_LIT("<STACK_TRACE>\n"));
CErrorContext *perrctxt = CTask::Self()->ConvertErrCtxt();
perrctxt->GetStackDescriptor()->AppendTrace(&wstr);
wstr.AppendFormat(GPOS_WSZ_LIT("</STACK_TRACE>\n"));
oos << wstr.GetBuffer();
}
/ EOF
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