greenplumn CSerializableStackTrace 代码
文件路径：/src/backend/gporca/libgpopt/src/minidump/CSerializableStackTrace.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2012 EMC Corp.
/
/ @filename:
/ CSerializableStackTrace.cpp
/
/ @doc:
/ Serializable stack trace object
/---------------------------------------------------------------------------
#include "gpopt/minidump/CSerializableStackTrace.h"
#include "gpos/base.h"
#include "gpos/error/CErrorContext.h"
#include "gpos/task/CTask.h"
#include "naucrates/dxl/CDXLUtils.h"
#include "naucrates/dxl/xml/CDXLSections.h"
#define GPOPT_MINIDUMP_BUF_SIZE (1024 * 4)
using namespace gpos;
using namespace gpopt;
using namespace gpdxl;
/---------------------------------------------------------------------------
/ @function:
/ CSerializableStackTrace::CSerializableStackTrace
/
/ @doc:
/ Ctor
/
/---------------------------------------------------------------------------
CSerializableStackTrace::CSerializableStackTrace() : CSerializable()
{
}
/---------------------------------------------------------------------------
/ @function:
/ CSerializableStackTrace::~CSerializableStackTrace
/
/ @doc:
/ Dtor
/
/---------------------------------------------------------------------------
CSerializableStackTrace::~CSerializableStackTrace() = default;
/---------------------------------------------------------------------------
/ @function:
/ CSerializableStackTrace::Serialize
/
/ @doc:
/ Serialize contents into provided stream
/
/---------------------------------------------------------------------------
void
CSerializableStackTrace::Serialize(COstream &oos)
{
if (!ITask::Self()->HasPendingExceptions())
{
/ no pending exception: no need to serialize stack trace
return;
}
WCHAR wszStackBuffer[GPOPT_MINIDUMP_BUF_SIZE];
CWStringStatic str(wszStackBuffer, GPOS_ARRAY_SIZE(wszStackBuffer));
str.AppendFormat(CDXLSections::m_wszStackTraceHeader);
CErrorContext *perrctxt = CTask::Self()->ConvertErrCtxt();
perrctxt->GetStackDescriptor()->AppendTrace(&str);
str.AppendFormat(CDXLSections::m_wszStackTraceFooter);
oos << wszStackBuffer;
}
/ EOF
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