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Location: cpp/openttd-patchpack/source/src/network/network_survey.cpp - annotation
r28025:9116d6e411b0
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* 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.cpp Opt-in survey part of the network protocol. */
#include "../stdafx.h"
#include "network_survey.h"
#include "settings_table.h"
#include "network.h"
#include "../debug.h"
#include "../survey.h"
#include "../3rdparty/fmt/chrono.h"
#include "../3rdparty/fmt/std.h"
#include "../safeguards.h"
extern std::string _savegame_id;
NetworkSurveyHandler _survey = {};
NLOHMANN_JSON_SERIALIZE_ENUM(NetworkSurveyHandler::Reason, {
{NetworkSurveyHandler::Reason::PREVIEW, "preview"},
{NetworkSurveyHandler::Reason::LEAVE, "leave"},
{NetworkSurveyHandler::Reason::EXIT, "exit"},
{NetworkSurveyHandler::Reason::CRASH, "crash"},
})
/**
* Create the payload for the survey.
*
* @param reason The reason for sending the survey.
* @param for_preview Whether the payload is meant for preview. This indents the result, and filters out the id/key.
* @return std::string The JSON payload as string for the survey.
*/
std::string NetworkSurveyHandler::CreatePayload(Reason reason, bool for_preview)
{
nlohmann::json survey;
survey["schema"] = NETWORK_SURVEY_VERSION;
survey["reason"] = reason;
survey["id"] = _savegame_id;
survey["date"] = fmt::format("{:%Y-%m-%d %H:%M:%S} (UTC)", fmt::gmtime(time(nullptr)));
#ifdef SURVEY_KEY
/* We censor the key to avoid people trying to be "clever" and use it to send their own surveys. */
survey["key"] = for_preview ? "(redacted)" : SURVEY_KEY;
#else
survey["key"] = "";
#endif
{
auto &info = survey["info"];
SurveyOS(info["os"]);
SurveyOpenTTD(info["openttd"]);
SurveyConfiguration(info["configuration"]);
SurveyFont(info["font"]);
SurveyCompiler(info["compiler"]);
SurveyLibraries(info["libraries"]);
}
{
auto &game = survey["game"];
SurveyTimers(game["timers"]);
SurveyCompanies(game["companies"]);
SurveySettings(game["settings"], false);
SurveyGrfs(game["grfs"]);
SurveyGameScript(game["game_script"]);
}
/* For preview, we indent with 4 whitespaces to make things more readable. */
int indent = for_preview ? 4 : -1;
return survey.dump(indent);
}
/**
* Transmit the survey.
*
* @param reason The reason for sending the survey.
* @param blocking Whether to block until the survey is sent.
*/
void NetworkSurveyHandler::Transmit(Reason reason, bool blocking)
{
if constexpr (!NetworkSurveyHandler::IsSurveyPossible()) {
Debug(net, 4, "Survey: not possible to send survey; most likely due to missing JSON library at compile-time");
return;
}
if (_settings_client.network.participate_survey != PS_YES) {
Debug(net, 5, "Survey: user is not participating in survey; skipping survey");
return;
}
Debug(net, 1, "Survey: sending survey results");
NetworkHTTPSocketHandler::Connect(NetworkSurveyUriString(), this, this->CreatePayload(reason));
if (blocking) {
std::unique_lock<std::mutex> lock(this->mutex);
/* Block no longer than 2 seconds. If we failed to send the survey in that time, so be it. */
this->loaded.wait_for(lock, std::chrono::seconds(2));
}
}
void NetworkSurveyHandler::OnFailure()
{
Debug(net, 1, "Survey: failed to send survey results");
this->loaded.notify_all();
}
void NetworkSurveyHandler::OnReceiveData(const char *data, size_t)
{
if (data == nullptr) {
Debug(net, 1, "Survey: survey results sent");
this->loaded.notify_all();
}
}
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