#ifndef TFARMSERVER_H
#define TFARMSERVER_H

#include <memory>

#include "tcommon.h"

#include <QString>

#include "tfarmplatforms.h"

//------------------------------------------------------------------------------

#ifdef TFARMAPI
#undef TFARMAPI
#endif

#ifdef _WIN32
#ifdef TFARM_EXPORTS
#define TFARMAPI __declspec(dllexport)
#else
#define TFARMAPI __declspec(dllimport)
#endif
#else
#define TFARMAPI
#endif

//------------------------------------------------------------------------------

class TFARMAPI TFarmServer
{
public:
	class HwInfo
	{
	public:
		HwInfo()
			: m_cpuCount(0), m_totPhysMem(0), m_availPhysMem(0), m_totVirtMem(0), m_availVirtMem(0), m_type(NoPlatform) {}

		int m_cpuCount;
		unsigned int m_totPhysMem;
		unsigned int m_availPhysMem;
		unsigned int m_totVirtMem;
		unsigned int m_availVirtMem;
		TFarmPlatform m_type;
	};

	virtual ~TFarmServer() {}

	virtual int addTask(const QString &taskid, const QString &cmdline) = 0;
	virtual int terminateTask(const QString &taskid) = 0;
	virtual int getTasks(vector<QString> &tasks) = 0;

	virtual void queryHwInfo(HwInfo &hwInfo) = 0;

	// used (by a controller) to notify a controller start
	virtual void attachController(const QString &name, const QString &addr, int port) = 0;

	// used (by a controller) to notify a controller stop
	virtual void detachController(const QString &name, const QString &addr, int port) = 0;
};

//------------------------------------------------------------------------------

class TFARMAPI TFarmServerFactory
{
public:
	TFarmServerFactory();
	~TFarmServerFactory();

	int create(const QString &hostName, const QString &addr, int port, TFarmServer **tfserver);
};

//------------------------------------------------------------------------------

class TFARMAPI TFarmServerStub
{
public:
	TFarmServerStub(TFarmServer *farmServer, int port);
	~TFarmServerStub();

	int run();
	int shutdown();

	int getPort() const;

private:
	class Imp;
	std::unique_ptr<Imp> m_imp;
};

#endif