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#include <sstream>
#include <thread>
#include "../util/record-utility.h"
#include "record-manager.h"
#include "../../core/slang-io.h"
namespace SlangRecord
{
RecordManager::RecordManager(uint64_t globalSessionHandle)
: m_recorder(&m_memoryStream)
{
std::stringstream ss;
ss << "gs-"<< globalSessionHandle <<"-t-"<<std::this_thread::get_id() << ".cap";
m_recordFileDirectory = Slang::Path::combine(m_recordFileDirectory, "slang-record");
if (!Slang::File::exists(m_recordFileDirectory))
{
if (!Slang::Path::createDirectoryRecursive(m_recordFileDirectory))
{
slangRecordLog(LogLevel::Error, "Fail to create directory: %s\n",
m_recordFileDirectory.getBuffer());
}
}
Slang::String recordFilePath = Slang::Path::combine(m_recordFileDirectory, Slang::String(ss.str().c_str()));
m_fileStream = new FileOutputStream(recordFilePath);
}
void RecordManager::clearWithHeader(const ApiCallId& callId, uint64_t handleId)
{
m_memoryStream.flush();
FunctionHeader header;
header.callId = callId;
header.handleId = handleId;
// write header to memory stream
m_memoryStream.write(&header, sizeof(FunctionHeader));
}
void RecordManager::clearWithTailer()
{
m_memoryStream.flush();
FunctionTailer tailer;
// write header to memory stream
m_memoryStream.write(&tailer, sizeof(FunctionTailer));
}
ParameterRecorder* RecordManager::beginMethodRecord(const ApiCallId& callId, uint64_t handleId)
{
clearWithHeader(callId, handleId);
return &m_recorder;
}
ParameterRecorder* RecordManager::endMethodRecord()
{
FunctionHeader* pHeader = const_cast<FunctionHeader*>(
reinterpret_cast<const FunctionHeader*>(m_memoryStream.getData()));
pHeader->dataSizeInBytes = m_memoryStream.getSizeInBytes() - sizeof(FunctionHeader);
std::hash<std::thread::id> hasher;
pHeader->threadId = hasher(std::this_thread::get_id());
// write record data to file
m_fileStream->write(m_memoryStream.getData(), m_memoryStream.getSizeInBytes());
// take effect of the write
m_fileStream->flush();
// clear the memory stream
m_memoryStream.flush();
clearWithTailer();
return &m_recorder;
}
void RecordManager::apendOutput()
{
FunctionTailer* pTailer = const_cast<FunctionTailer*>(
reinterpret_cast<const FunctionTailer*>(m_memoryStream.getData()));
pTailer->dataSizeInBytes = (uint32_t)(m_memoryStream.getSizeInBytes() - sizeof(FunctionTailer));
// write record data to file
m_fileStream->write(m_memoryStream.getData(), m_memoryStream.getSizeInBytes());
// take effect of the write
m_fileStream->flush();
// clear the memory stream
m_memoryStream.flush();
}
}
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