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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 config.cpp Configuration of the connection strings for network stuff using environment variables.
*/
#include "../../stdafx.h"
#include <cstdlib>
#include "../../string_func.h"
#include "../../safeguards.h"
/**
* Get the environment variable using std::getenv and when it is an empty string (or nullptr), return a fallback value instead.
* @param variable The environment variable to read from.
* @param fallback The fallback in case the environment variable is not set.
* @return The environment value, or when that does not exist the given fallback value.
*/
static const char *GetEnv(const char *variable, const char *fallback)
{
const char *value = std::getenv(variable);
return StrEmpty(value) ? fallback : value;
}
/**
* Get the connection string for the game coordinator from the environment variable OTTD_COORDINATOR_CS,
* or when it has not been set a hard coded default DNS hostname of the production server.
* @return The game coordinator's connection string.
*/
const char *NetworkCoordinatorConnectionString()
{
return GetEnv("OTTD_COORDINATOR_CS", "coordinator.openttd.org");
}
/**
* Get the connection string for the content server from the environment variable OTTD_CONTENT_SERVER_CS,
* or when it has not been set a hard coded default DNS hostname of the production server.
* @return The game coordinator's connection string.
*/
const char *NetworkContentServerConnectionString()
{
return GetEnv("OTTD_CONTENT_SERVER_CS", "content.openttd.org");
}
/**
* Get the connection string for the content mirror from the environment variable OTTD_CONTENT_MIRROR_CS,
* or when it has not been set a hard coded default DNS hostname of the production server.
* @return The game coordinator's connection string.
*/
const char *NetworkContentMirrorConnectionString()
{
return GetEnv("OTTD_CONTENT_MIRROR_CS", "binaries.openttd.org");
}
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