OpenTTD/src/network/network_survey.h

51 lines
1.8 KiB
C++

/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file network_survey.h Part of the network protocol handling opt-in survey. */
#ifndef NETWORK_SURVEY_H
#define NETWORK_SURVEY_H
#include <condition_variable>
#include <mutex>
#include "core/http.h"
/**
* Socket handler for the survey connection
*/
class NetworkSurveyHandler : public HTTPCallback {
protected:
void OnFailure() override;
void OnReceiveData(std::unique_ptr<char[]> data, size_t length) override;
bool IsCancelled() const override { return false; }
public:
enum class Reason {
PREVIEW, ///< User is previewing the survey result.
LEAVE, ///< User is leaving the game (but not exiting the application).
EXIT, ///< User is exiting the application.
CRASH, ///< Game crashed.
};
void Transmit(Reason reason, bool blocking = false);
std::string CreatePayload(Reason reason, bool for_preview = false);
constexpr static bool IsSurveyPossible()
{
return true;
}
private:
std::mutex mutex; ///< Mutex for the condition variable.
std::atomic<bool> transmitted; ///< Whether the survey has been transmitted.
std::condition_variable transmitted_cv; ///< Condition variable to inform changes to transmitted.
};
extern NetworkSurveyHandler _survey;
#endif /* NETWORK_SURVEY_H */