C++ FileHandle::open方法代码示例

bool SMTController::makeThreads()
{
	for (uint32 x=0; x<m_uiNumber; x++)
	{
		gcString file("{0}", m_szFile);

		UTIL::FS::FileHandle* fh = new UTIL::FS::FileHandle();

		if (x != 0)
			file += gcString(".part_{0}", x);

		try
		{
			fh->open(file.c_str(), UTIL::FS::FILE_WRITE);

			//due to the first thread being the proper MCF we have to allow for the header.
			if (x == 0)
				fh->seek(MCFCore::MCFHeader::getSizeS());
		}
		catch (gcException &except)
		{
			safe_delete(fh);
			onErrorEvent(except);
			return false;
		}

		SMTWorkerInfo* temp = new SMTWorkerInfo(this, x, fh, file.c_str());
		m_vWorkerList.push_back(temp);
		temp->workThread->start();

		m_iRunningWorkers++;
	}

	return true;
}

int32 FileSystemJSBinding::OpenFileForWrite(gcString file)
{
	UTIL::FS::Path path = UTIL::FS::PathWithFile(file);
	UTIL::FS::recMakeFolder(path);

	UTIL::FS::FileHandle* handle = new UTIL::FS::FileHandle();

	try
	{
		handle->open(path, UTIL::FS::FILE_WRITE);
		m_vFileHandles.push_back(handle);
		return m_vFileHandles.size() - 1;
	}
	catch (gcException &e)
	{
		safe_delete(handle);
		Warning("Failed to to open file in scriptcore: {0}\n", e);
	}

	return 0;
}

void SMTController::postProcessing()
{
	if (m_uiNumber == 1)
		return;

	UTIL::FS::FileHandle fhSource;
	UTIL::FS::FileHandle fhSink;

	UTIL::FS::Path path(m_szFile, "", true);

	uint64 sinkSize = UTIL::FS::getFileSize(path);

	try
	{
		fhSink.open(path, UTIL::FS::FILE_APPEND);
	}
	catch (gcException &)
	{
		return;
	}

	char buff[BLOCKSIZE];

	for (size_t x=1; x<m_vWorkerList.size(); x++)
	{
		SMTWorkerInfo *worker = m_vWorkerList[x];

		uint64 fileSize = UTIL::FS::getFileSize(UTIL::FS::PathWithFile(worker->file));
		uint64 done = 0;

		uint32 readSize = BLOCKSIZE;

		try
		{
			fhSource.open(worker->file.c_str(), UTIL::FS::FILE_READ);
			while (fileSize > done)
			{
				if ((fileSize-done) < (uint64)readSize)
					readSize = (uint32)(fileSize-done);

				fhSource.read(buff, readSize);
				fhSink.write(buff, readSize);

				done += readSize;
			}
			fhSource.close();
		}
		catch (gcException &)
		{
		}

		for (size_t y=0; y<worker->vFileList.size(); y++)
		{
			uint32 index = worker->vFileList[y];
			MCFCore::MCFFile *temp = m_rvFileList[index];

			if (!temp)
				continue;

			temp->setOffSet( temp->getOffSet() + sinkSize );
		}

		sinkSize += fileSize;
		UTIL::FS::delFile(UTIL::FS::PathWithFile(worker->file));
	}

	if (m_bCreateDiff == false)
		return;
}

void MCF::getWriteHandle(UTIL::FS::FileHandle& handle)
{
	assert(m_uiFileOffset == 0);
	handle.open(m_szFile.c_str(), UTIL::FS::FILE_WRITE, m_uiFileOffset);
}

void MCF::getReadHandle(UTIL::FS::FileHandle& handle)
{
	handle.open(m_szFile.c_str(), UTIL::FS::FILE_READ, m_uiFileOffset);
}

bool UploadDump(const char* file, const char* user, int build, int branch, DelegateI<Prog_s&>* progress, const char* szTracer)
{
	if (build == 0)
		build = 9999;

	if (branch == 0)
		branch = BUILDID_PUBLIC;

	g_Logger.write("---------------------------------------\r\n");

	time_t ltime; /* calendar time */
	ltime=time(nullptr); /* get current cal time */

	
#if defined(WIN32) && !defined(__MINGW32__)
	char buff[255] = {0};

	struct tm t;
	localtime_s(&t, &ltime);
	asctime_s(buff, 255, &t);
#else
	struct tm *t = localtime(&ltime);
	char* buff = asctime(t);
#endif

	g_Logger.write("%s\r\n", buff);
	g_Logger.write("---------------------------------------\r\n");

	g_Logger.write("Uploaded crash dump: [%s]\r\n", file);


	gcString dump(file);
	gcString tracer(szTracer);
	gcString log(dump + ".log");

	if (PrepDumpForUpload(dump) == false)
	{
		g_Logger.write("Failed to prepare crash dump.\r\n");
		return false;
	}
	else
	{
		g_Logger.write("Prepared crash dump to: [%s]\r\n", dump.c_str());
	}

	if (!tracer.empty())
	{
		try
		{
			auto valid = false;
			UTIL::FS::FileHandle fh;

			std::function<void(const char*, uint32)> write = [&fh, &valid, log](const char* szData, uint32 nSize)
			{
				if (!valid)
					fh.open(log.c_str(), UTIL::FS::FILE_WRITE);

				valid = true;
				fh.write(szData, nSize);
			};

			DumpTracerToFile(tracer, write);

			if (!valid)
				log = "";
		}
		catch (...)
		{
			log = "";
		}

		if (!log.empty())
			PrepDumpForUpload(log);

#ifdef WIN32
		//Let desura exit now.
		gcString tracerEventName("Global\\{0}Event", tracer);

		auto hHandle = OpenEvent(EVENT_MODIFY_STATE, FALSE, tracerEventName.c_str());

		if (hHandle)
		{
			SetEvent(hHandle);
			CloseHandle(hHandle);
		}
#endif
	}

	std::string os = UTIL::OS::getOSString();

	HttpHandle hh(DUMP_UPLOAD_URL);

	if (progress)
		hh->getProgressEvent() += progress;

	hh->setUserAgent(DUMP_UPLOAD_AGENT);

	hh->cleanUp();
	hh->addPostText("os", os.c_str());
	hh->addPostText("build", build);
//.........这里部分代码省略.........