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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include "common.h"
#include "fastserializer.h"
#include "diagnosticprotocolhelper.h"
#include "diagnosticsipc.h"
#include "diagnosticsprotocol.h"
#ifdef FEATURE_PERFTRACING
#ifdef FEATURE_PAL
static void WriteStatus(uint64_t result, IpcStream* pStream)
{
uint32_t nBytesWritten = 0;
bool fSuccess = pStream->Write(&result, sizeof(result), nBytesWritten);
if (fSuccess)
{
fSuccess = pStream->Flush();
}
}
void DiagnosticProtocolHelper::GenerateCoreDump(IpcStream* pStream)
{
CONTRACTL
{
THROWS;
GC_TRIGGERS;
MODE_PREEMPTIVE;
PRECONDITION(pStream != nullptr);
}
CONTRACTL_END;
if (pStream == nullptr)
return;
HRESULT hr = S_OK;
// TODO: Read within a loop.
uint8_t buffer[IpcStreamReadBufferSize] { };
uint32_t nNumberOfBytesRead = 0;
bool fSuccess = pStream->Read(buffer, sizeof(buffer), nNumberOfBytesRead);
if (fSuccess)
{
// The protocol buffer is defined as:
// string - dumpName (UTF16)
// int - dumpType
// int - diagnostics
// returns
// ulong - status
LPCWSTR pwszDumpName;
INT dumpType;
INT diagnostics;
uint8_t *pBufferCursor = buffer;
uint32_t bufferLen = nNumberOfBytesRead;
if (TryParseString(pBufferCursor, bufferLen, pwszDumpName) &&
TryParse(pBufferCursor, bufferLen, dumpType) &&
TryParse(pBufferCursor, bufferLen, diagnostics))
{
MAKE_UTF8PTR_FROMWIDE_NOTHROW(szDumpName, pwszDumpName);
if (szDumpName != nullptr)
{
if (!PAL_GenerateCoreDump(szDumpName, dumpType, diagnostics))
{
hr = E_FAIL;
}
}
else
{
hr = E_OUTOFMEMORY;
}
}
else
{
hr = E_INVALIDARG;
}
}
else
{
hr = E_UNEXPECTED;
}
WriteStatus(hr, pStream);
delete pStream;
}
#endif // FEATURE_PAL
#endif // FEATURE_PERFTRACING
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