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Codechange: move Survey-related functions to their own file

In a later commit, this will be shared by the crashlog, as the
crashlog too needs to survey the system. This makes it easier in
the next commit to see what actually changes, and what is just
a plain old move of code.
pull/11232/head
Patric Stout 2023-09-13 10:59:38 +02:00
parent a0353af223
commit b5abfb8954
7 changed files with 358 additions and 318 deletions

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@ -432,6 +432,8 @@ add_files(
subsidy_func.h
subsidy_gui.cpp
subsidy_type.h
survey.cpp
survey.h
tar_type.h
terraform_cmd.cpp
terraform_cmd.h

View File

@ -12,26 +12,9 @@
#include "settings_table.h"
#include "network.h"
#include "../debug.h"
#include "../rev.h"
#include "../settings_type.h"
#include "../timer/timer_game_tick.h"
#include "../currency.h"
#include "../fontcache.h"
#include "../language.h"
#include "../ai/ai_info.hpp"
#include "../game/game.hpp"
#include "../game/game_info.hpp"
#include "../music/music_driver.hpp"
#include "../sound/sound_driver.hpp"
#include "../video/video_driver.hpp"
#include "../base_media_base.h"
#include "../blitter/factory.hpp"
#include "../3rdparty/nlohmann/json.hpp"
#include "../survey.h"
#include "../3rdparty/fmt/chrono.h"
#include "../3rdparty/fmt/std.h"
#include "../safeguards.h"
@ -46,294 +29,6 @@ NLOHMANN_JSON_SERIALIZE_ENUM(NetworkSurveyHandler::Reason, {
{NetworkSurveyHandler::Reason::CRASH, "crash"},
})
NLOHMANN_JSON_SERIALIZE_ENUM(GRFStatus, {
{GRFStatus::GCS_UNKNOWN, "unknown"},
{GRFStatus::GCS_DISABLED, "disabled"},
{GRFStatus::GCS_NOT_FOUND, "not found"},
{GRFStatus::GCS_INITIALISED, "initialised"},
{GRFStatus::GCS_ACTIVATED, "activated"},
})
static const std::string _vehicle_type_to_string[] = {
"train",
"roadveh",
"ship",
"aircraft",
};
/* Defined in one of the os/ survey files. */
extern void SurveyOS(nlohmann::json &json);
/**
* List of all the generic setting tables.
*
* There are a few tables that are special and not processed like the rest:
* - _currency_settings
* - _misc_settings
* - _company_settings
* - _win32_settings
* As such, they are not part of this list.
*/
static auto &GenericSettingTables()
{
static const SettingTable _generic_setting_tables[] = {
_difficulty_settings,
_economy_settings,
_game_settings,
_gui_settings,
_linkgraph_settings,
_locale_settings,
_multimedia_settings,
_network_settings,
_news_display_settings,
_pathfinding_settings,
_script_settings,
_world_settings,
};
return _generic_setting_tables;
}
/**
* Convert a settings table to JSON.
*
* @param survey The JSON object.
* @param table The settings table to convert.
* @param object The object to get the settings from.
*/
static void SurveySettingsTable(nlohmann::json &survey, const SettingTable &table, void *object)
{
for (auto &desc : table) {
const SettingDesc *sd = GetSettingDesc(desc);
/* Skip any old settings we no longer save/load. */
if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
auto name = sd->GetName();
survey[name] = sd->FormatValue(object);
}
}
/**
* Convert settings to JSON.
*
* @param survey The JSON object.
*/
static void SurveySettings(nlohmann::json &survey)
{
SurveySettingsTable(survey, _misc_settings, nullptr);
#if defined(_WIN32) && !defined(DEDICATED)
SurveySettingsTable(survey, _win32_settings, nullptr);
#endif
for (auto &table : GenericSettingTables()) {
SurveySettingsTable(survey, table, &_settings_game);
}
SurveySettingsTable(survey, _currency_settings, &_custom_currency);
SurveySettingsTable(survey, _company_settings, &_settings_client.company);
}
/**
* Convert generic OpenTTD information to JSON.
*
* @param survey The JSON object.
*/
static void SurveyOpenTTD(nlohmann::json &survey)
{
survey["version"]["revision"] = std::string(_openttd_revision);
survey["version"]["modified"] = _openttd_revision_modified;
survey["version"]["tagged"] = _openttd_revision_tagged;
survey["version"]["hash"] = std::string(_openttd_revision_hash);
survey["version"]["newgrf"] = fmt::format("{:X}", _openttd_newgrf_version);
survey["version"]["content"] = std::string(_openttd_content_version);
survey["build_date"] = std::string(_openttd_build_date);
survey["bits"] =
#ifdef POINTER_IS_64BIT
64
#else
32
#endif
;
survey["endian"] =
#if (TTD_ENDIAN == TTD_LITTLE_ENDIAN)
"little"
#else
"big"
#endif
;
survey["dedicated_build"] =
#ifdef DEDICATED
"yes"
#else
"no"
#endif
;
}
/**
* Convert generic game information to JSON.
*
* @param survey The JSON object.
*/
static void SurveyConfiguration(nlohmann::json &survey)
{
survey["network"] = _networking ? (_network_server ? "server" : "client") : "no";
if (_current_language != nullptr) {
survey["language"]["filename"] = _current_language->file.filename().string();
survey["language"]["name"] = _current_language->name;
survey["language"]["isocode"] = _current_language->isocode;
}
if (BlitterFactory::GetCurrentBlitter() != nullptr) {
survey["blitter"] = BlitterFactory::GetCurrentBlitter()->GetName();
}
if (MusicDriver::GetInstance() != nullptr) {
survey["music_driver"] = MusicDriver::GetInstance()->GetName();
}
if (SoundDriver::GetInstance() != nullptr) {
survey["sound_driver"] = SoundDriver::GetInstance()->GetName();
}
if (VideoDriver::GetInstance() != nullptr) {
survey["video_driver"] = VideoDriver::GetInstance()->GetName();
survey["video_info"] = VideoDriver::GetInstance()->GetInfoString();
}
if (BaseGraphics::GetUsedSet() != nullptr) {
survey["graphics_set"] = fmt::format("{}.{}", BaseGraphics::GetUsedSet()->name, BaseGraphics::GetUsedSet()->version);
}
if (BaseMusic::GetUsedSet() != nullptr) {
survey["music_set"] = fmt::format("{}.{}", BaseMusic::GetUsedSet()->name, BaseMusic::GetUsedSet()->version);
}
if (BaseSounds::GetUsedSet() != nullptr) {
survey["sound_set"] = fmt::format("{}.{}", BaseSounds::GetUsedSet()->name, BaseSounds::GetUsedSet()->version);
}
}
/**
* Convert font information to JSON.
*
* @param survey The JSON object.
*/
static void SurveyFont(nlohmann::json &survey)
{
survey["small"] = FontCache::Get(FS_SMALL)->GetFontName();
survey["medium"] = FontCache::Get(FS_NORMAL)->GetFontName();
survey["large"] = FontCache::Get(FS_LARGE)->GetFontName();
survey["mono"] = FontCache::Get(FS_MONO)->GetFontName();
}
/**
* Convert company information to JSON.
*
* @param survey The JSON object.
*/
static void SurveyCompanies(nlohmann::json &survey)
{
for (const Company *c : Company::Iterate()) {
auto &company = survey[std::to_string(c->index)];
if (c->ai_info == nullptr) {
company["type"] = "human";
} else {
company["type"] = "ai";
company["script"] = fmt::format("{}.{}", c->ai_info->GetName(), c->ai_info->GetVersion());
}
for (VehicleType type = VEH_BEGIN; type < VEH_COMPANY_END; type++) {
uint amount = c->group_all[type].num_vehicle;
company["vehicles"][_vehicle_type_to_string[type]] = amount;
}
company["infrastructure"]["road"] = c->infrastructure.GetRoadTotal();
company["infrastructure"]["tram"] = c->infrastructure.GetTramTotal();
company["infrastructure"]["rail"] = c->infrastructure.GetRailTotal();
company["infrastructure"]["signal"] = c->infrastructure.signal;
company["infrastructure"]["water"] = c->infrastructure.water;
company["infrastructure"]["station"] = c->infrastructure.station;
company["infrastructure"]["airport"] = c->infrastructure.airport;
}
}
/**
* Convert timer information to JSON.
*
* @param survey The JSON object.
*/
static void SurveyTimers(nlohmann::json &survey)
{
survey["ticks"] = TimerGameTick::counter;
survey["seconds"] = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now() - _switch_mode_time).count();
TimerGameCalendar::YearMonthDay ymd;
TimerGameCalendar::ConvertDateToYMD(TimerGameCalendar::date, &ymd);
survey["calendar"] = fmt::format("{:04}-{:02}-{:02} ({})", ymd.year, ymd.month + 1, ymd.day, TimerGameCalendar::date_fract);
}
/**
* Convert GRF information to JSON.
*
* @param survey The JSON object.
*/
static void SurveyGrfs(nlohmann::json &survey)
{
for (GRFConfig *c = _grfconfig; c != nullptr; c = c->next) {
auto grfid = fmt::format("{:08x}", BSWAP32(c->ident.grfid));
auto &grf = survey[grfid];
grf["md5sum"] = FormatArrayAsHex(c->ident.md5sum);
grf["status"] = c->status;
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_UNSET) grf["palette"] = "unset";
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_DOS) grf["palette"] = "dos";
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_WINDOWS) grf["palette"] = "windows";
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_ANY) grf["palette"] = "any";
if ((c->palette & GRFP_BLT_MASK) == GRFP_BLT_UNSET) grf["blitter"] = "unset";
if ((c->palette & GRFP_BLT_MASK) == GRFP_BLT_32BPP) grf["blitter"] = "32bpp";
grf["is_static"] = HasBit(c->flags, GCF_STATIC);
std::vector<uint32_t> parameters;
for (int i = 0; i < c->num_params; i++) {
parameters.push_back(c->param[i]);
}
grf["parameters"] = parameters;
}
}
/**
* Convert game-script information to JSON.
*
* @param survey The JSON object.
*/
static void SurveyGameScript(nlohmann::json &survey)
{
if (Game::GetInfo() == nullptr) return;
survey = fmt::format("{}.{}", Game::GetInfo()->GetName(), Game::GetInfo()->GetVersion());
}
/**
* Change the bytes of memory into a textual version rounded up to the biggest unit.
*
* For example, 16751108096 would become 16 GiB.
*
* @param memory The bytes of memory.
* @return std::string A textual representation.
*/
std::string SurveyMemoryToText(uint64_t memory)
{
memory = memory / 1024; // KiB
memory = CeilDiv(memory, 1024); // MiB
/* Anything above 512 MiB we represent in GiB. */
if (memory > 512) {
return fmt::format("{} GiB", CeilDiv(memory, 1024));
}
/* Anything above 64 MiB we represent in a multiplier of 128 MiB. */
if (memory > 64) {
return fmt::format("{} MiB", Ceil(memory, 128));
}
/* Anything else in a multiplier of 4 MiB. */
return fmt::format("{} MiB", Ceil(memory, 4));
}
/**
* Create the payload for the survey.
*

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@ -10,7 +10,7 @@
#include "../../stdafx.h"
#include "../../3rdparty/fmt/format.h"
#include "../../3rdparty/nlohmann/json.hpp"
#include "../../survey.h"
#include "macos.h"
#include <mach-o/arch.h>
@ -18,8 +18,6 @@
#include "../../safeguards.h"
extern std::string SurveyMemoryToText(uint64_t memory);
void SurveyOS(nlohmann::json &json)
{
int ver_maj, ver_min, ver_bug;

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@ -8,8 +8,7 @@
/** @file survey_unix.cpp Unix implementation of OS-specific survey information. */
#include "../../stdafx.h"
#include "../../3rdparty/nlohmann/json.hpp"
#include "../../survey.h"
#include <sys/utsname.h>
#include <thread>
@ -17,8 +16,6 @@
#include "../../safeguards.h"
extern std::string SurveyMemoryToText(uint64_t memory);
void SurveyOS(nlohmann::json &json)
{
struct utsname name;

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@ -10,15 +10,13 @@
#include "../../stdafx.h"
#include "../../3rdparty/fmt/format.h"
#include "../../3rdparty/nlohmann/json.hpp"
#include "../../survey.h"
#include <thread>
#include <windows.h>
#include "../../safeguards.h"
extern std::string SurveyMemoryToText(uint64_t memory);
void SurveyOS(nlohmann::json &json)
{
_OSVERSIONINFOA os;

321
src/survey.cpp 100644
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@ -0,0 +1,321 @@
/*
* 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 survey.cpp Functions to survey the current game / system, for crashlog and network-survey. */
#include "stdafx.h"
#include "survey.h"
#include "settings_table.h"
#include "network/network.h"
#include "rev.h"
#include "settings_type.h"
#include "timer/timer_game_tick.h"
#include "currency.h"
#include "fontcache.h"
#include "language.h"
#include "ai/ai_info.hpp"
#include "game/game.hpp"
#include "game/game_info.hpp"
#include "music/music_driver.hpp"
#include "sound/sound_driver.hpp"
#include "video/video_driver.hpp"
#include "base_media_base.h"
#include "blitter/factory.hpp"
#include "safeguards.h"
NLOHMANN_JSON_SERIALIZE_ENUM(GRFStatus, {
{GRFStatus::GCS_UNKNOWN, "unknown"},
{GRFStatus::GCS_DISABLED, "disabled"},
{GRFStatus::GCS_NOT_FOUND, "not found"},
{GRFStatus::GCS_INITIALISED, "initialised"},
{GRFStatus::GCS_ACTIVATED, "activated"},
})
/** Lookup table to convert a VehicleType to a string. */
static const std::string _vehicle_type_to_string[] = {
"train",
"roadveh",
"ship",
"aircraft",
};
/**
* List of all the generic setting tables.
*
* There are a few tables that are special and not processed like the rest:
* - _currency_settings
* - _misc_settings
* - _company_settings
* - _win32_settings
* As such, they are not part of this list.
*/
static auto &GenericSettingTables()
{
static const SettingTable _generic_setting_tables[] = {
_difficulty_settings,
_economy_settings,
_game_settings,
_gui_settings,
_linkgraph_settings,
_locale_settings,
_multimedia_settings,
_network_settings,
_news_display_settings,
_pathfinding_settings,
_script_settings,
_world_settings,
};
return _generic_setting_tables;
}
/**
* Convert a settings table to JSON.
*
* @param survey The JSON object.
* @param table The settings table to convert.
* @param object The object to get the settings from.
*/
static void SurveySettingsTable(nlohmann::json &survey, const SettingTable &table, void *object)
{
for (auto &desc : table) {
const SettingDesc *sd = GetSettingDesc(desc);
/* Skip any old settings we no longer save/load. */
if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
auto name = sd->GetName();
survey[name] = sd->FormatValue(object);
}
}
/**
* Convert settings to JSON.
*
* @param survey The JSON object.
*/
void SurveySettings(nlohmann::json &survey)
{
SurveySettingsTable(survey, _misc_settings, nullptr);
#if defined(_WIN32) && !defined(DEDICATED)
SurveySettingsTable(survey, _win32_settings, nullptr);
#endif
for (auto &table : GenericSettingTables()) {
SurveySettingsTable(survey, table, &_settings_game);
}
SurveySettingsTable(survey, _currency_settings, &_custom_currency);
SurveySettingsTable(survey, _company_settings, &_settings_client.company);
}
/**
* Convert generic OpenTTD information to JSON.
*
* @param survey The JSON object.
*/
void SurveyOpenTTD(nlohmann::json &survey)
{
survey["version"]["revision"] = std::string(_openttd_revision);
survey["version"]["modified"] = _openttd_revision_modified;
survey["version"]["tagged"] = _openttd_revision_tagged;
survey["version"]["hash"] = std::string(_openttd_revision_hash);
survey["version"]["newgrf"] = fmt::format("{:X}", _openttd_newgrf_version);
survey["version"]["content"] = std::string(_openttd_content_version);
survey["build_date"] = std::string(_openttd_build_date);
survey["bits"] =
#ifdef POINTER_IS_64BIT
64
#else
32
#endif
;
survey["endian"] =
#if (TTD_ENDIAN == TTD_LITTLE_ENDIAN)
"little"
#else
"big"
#endif
;
survey["dedicated_build"] =
#ifdef DEDICATED
"yes"
#else
"no"
#endif
;
}
/**
* Convert generic game information to JSON.
*
* @param survey The JSON object.
*/
void SurveyConfiguration(nlohmann::json &survey)
{
survey["network"] = _networking ? (_network_server ? "server" : "client") : "no";
if (_current_language != nullptr) {
survey["language"]["filename"] = _current_language->file.filename().string();
survey["language"]["name"] = _current_language->name;
survey["language"]["isocode"] = _current_language->isocode;
}
if (BlitterFactory::GetCurrentBlitter() != nullptr) {
survey["blitter"] = BlitterFactory::GetCurrentBlitter()->GetName();
}
if (MusicDriver::GetInstance() != nullptr) {
survey["music_driver"] = MusicDriver::GetInstance()->GetName();
}
if (SoundDriver::GetInstance() != nullptr) {
survey["sound_driver"] = SoundDriver::GetInstance()->GetName();
}
if (VideoDriver::GetInstance() != nullptr) {
survey["video_driver"] = VideoDriver::GetInstance()->GetName();
survey["video_info"] = VideoDriver::GetInstance()->GetInfoString();
}
if (BaseGraphics::GetUsedSet() != nullptr) {
survey["graphics_set"] = fmt::format("{}.{}", BaseGraphics::GetUsedSet()->name, BaseGraphics::GetUsedSet()->version);
}
if (BaseMusic::GetUsedSet() != nullptr) {
survey["music_set"] = fmt::format("{}.{}", BaseMusic::GetUsedSet()->name, BaseMusic::GetUsedSet()->version);
}
if (BaseSounds::GetUsedSet() != nullptr) {
survey["sound_set"] = fmt::format("{}.{}", BaseSounds::GetUsedSet()->name, BaseSounds::GetUsedSet()->version);
}
}
/**
* Convert font information to JSON.
*
* @param survey The JSON object.
*/
void SurveyFont(nlohmann::json &survey)
{
survey["small"] = FontCache::Get(FS_SMALL)->GetFontName();
survey["medium"] = FontCache::Get(FS_NORMAL)->GetFontName();
survey["large"] = FontCache::Get(FS_LARGE)->GetFontName();
survey["mono"] = FontCache::Get(FS_MONO)->GetFontName();
}
/**
* Convert company information to JSON.
*
* @param survey The JSON object.
*/
void SurveyCompanies(nlohmann::json &survey)
{
for (const Company *c : Company::Iterate()) {
auto &company = survey[std::to_string(c->index)];
if (c->ai_info == nullptr) {
company["type"] = "human";
} else {
company["type"] = "ai";
company["script"] = fmt::format("{}.{}", c->ai_info->GetName(), c->ai_info->GetVersion());
}
for (VehicleType type = VEH_BEGIN; type < VEH_COMPANY_END; type++) {
uint amount = c->group_all[type].num_vehicle;
company["vehicles"][_vehicle_type_to_string[type]] = amount;
}
company["infrastructure"]["road"] = c->infrastructure.GetRoadTotal();
company["infrastructure"]["tram"] = c->infrastructure.GetTramTotal();
company["infrastructure"]["rail"] = c->infrastructure.GetRailTotal();
company["infrastructure"]["signal"] = c->infrastructure.signal;
company["infrastructure"]["water"] = c->infrastructure.water;
company["infrastructure"]["station"] = c->infrastructure.station;
company["infrastructure"]["airport"] = c->infrastructure.airport;
}
}
/**
* Convert timer information to JSON.
*
* @param survey The JSON object.
*/
void SurveyTimers(nlohmann::json &survey)
{
survey["ticks"] = TimerGameTick::counter;
survey["seconds"] = std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now() - _switch_mode_time).count();
TimerGameCalendar::YearMonthDay ymd;
TimerGameCalendar::ConvertDateToYMD(TimerGameCalendar::date, &ymd);
survey["calendar"] = fmt::format("{:04}-{:02}-{:02} ({})", ymd.year, ymd.month + 1, ymd.day, TimerGameCalendar::date_fract);
}
/**
* Convert GRF information to JSON.
*
* @param survey The JSON object.
*/
void SurveyGrfs(nlohmann::json &survey)
{
for (GRFConfig *c = _grfconfig; c != nullptr; c = c->next) {
auto grfid = fmt::format("{:08x}", BSWAP32(c->ident.grfid));
auto &grf = survey[grfid];
grf["md5sum"] = FormatArrayAsHex(c->ident.md5sum);
grf["status"] = c->status;
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_UNSET) grf["palette"] = "unset";
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_DOS) grf["palette"] = "dos";
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_WINDOWS) grf["palette"] = "windows";
if ((c->palette & GRFP_GRF_MASK) == GRFP_GRF_ANY) grf["palette"] = "any";
if ((c->palette & GRFP_BLT_MASK) == GRFP_BLT_UNSET) grf["blitter"] = "unset";
if ((c->palette & GRFP_BLT_MASK) == GRFP_BLT_32BPP) grf["blitter"] = "32bpp";
grf["is_static"] = HasBit(c->flags, GCF_STATIC);
std::vector<uint32_t> parameters;
for (int i = 0; i < c->num_params; i++) {
parameters.push_back(c->param[i]);
}
grf["parameters"] = parameters;
}
}
/**
* Convert game-script information to JSON.
*
* @param survey The JSON object.
*/
void SurveyGameScript(nlohmann::json &survey)
{
if (Game::GetInfo() == nullptr) return;
survey = fmt::format("{}.{}", Game::GetInfo()->GetName(), Game::GetInfo()->GetVersion());
}
/**
* Change the bytes of memory into a textual version rounded up to the biggest unit.
*
* For example, 16751108096 would become 16 GiB.
*
* @param memory The bytes of memory.
* @return std::string A textual representation.
*/
std::string SurveyMemoryToText(uint64_t memory)
{
memory = memory / 1024; // KiB
memory = CeilDiv(memory, 1024); // MiB
/* Anything above 512 MiB we represent in GiB. */
if (memory > 512) {
return fmt::format("{} GiB", CeilDiv(memory, 1024));
}
/* Anything above 64 MiB we represent in a multiplier of 128 MiB. */
if (memory > 64) {
return fmt::format("{} MiB", Ceil(memory, 128));
}
/* Anything else in a multiplier of 4 MiB. */
return fmt::format("{} MiB", Ceil(memory, 4));
}

29
src/survey.h 100644
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@ -0,0 +1,29 @@
/*
* 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 survey.h Functions to survey the current game / system, for crashlog and network-survey. */
#ifndef SURVEY_H
#define SURVEY_H
#include "3rdparty/nlohmann/json.hpp"
std::string SurveyMemoryToText(uint64_t memory);
void SurveyCompanies(nlohmann::json &survey);
void SurveyConfiguration(nlohmann::json &survey);
void SurveyFont(nlohmann::json &survey);
void SurveyGameScript(nlohmann::json &survey);
void SurveyGrfs(nlohmann::json &survey);
void SurveyOpenTTD(nlohmann::json &survey);
void SurveySettings(nlohmann::json &survey);
void SurveyTimers(nlohmann::json &survey);
/* Defined in os/<os>/survey_<os>.cpp. */
void SurveyOS(nlohmann::json &json);
#endif /* SURVEY_H */