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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "main.h"
#include "BuildInfo.h"
#include "Logger.h"
#include "MemorySettingsRepository.h"
#include "Root.h"
#include "tclap/CmdLine.h"
#include "OSSupport/ConsoleSignalHandler.h"
#include "OSSupport/NetworkSingleton.h"
#include "OSSupport/MiniDumpWriter.h"
#include "OSSupport/SleepResolutionBooster.h"
#include "OSSupport/StartAsService.h"
bool g_ShouldLogCommIn;
bool g_ShouldLogCommOut;
bool g_RunAsService;
////////////////////////////////////////////////////////////////////////////////
// ParseArguments - Read the startup arguments and store into a settings object
static void ParseArguments(int argc, char ** argv, cMemorySettingsRepository & a_Settings)
{
// Parse the comand line args:
TCLAP::CmdLine cmd("Cuberite");
TCLAP::ValueArg<int> slotsArg ("s", "max-players", "Maximum number of slots for the server to use, overrides setting in setting.ini", false, -1, "number", cmd);
TCLAP::ValueArg<AString> confArg ("c", "config-file", "Config file to use", false, "settings.ini", "string", cmd);
TCLAP::MultiArg<int> portsArg ("p", "port", "The port number the server should listen to", false, "port", cmd);
TCLAP::SwitchArg commLogArg ("", "log-comm", "Log server client communications to file", cmd);
TCLAP::SwitchArg commLogInArg ("", "log-comm-in", "Log inbound server client communications to file", cmd);
TCLAP::SwitchArg commLogOutArg ("", "log-comm-out", "Log outbound server client communications to file", cmd);
TCLAP::SwitchArg crashDumpFull ("", "crash-dump-full", "Crashdumps created by the server will contain full server memory", cmd);
TCLAP::SwitchArg crashDumpGlobals("", "crash-dump-globals", "Crashdumps created by the server will contain the global variables' values", cmd);
TCLAP::SwitchArg noBufArg ("", "no-output-buffering", "Disable output buffering", cmd);
TCLAP::SwitchArg noFileLogArg ("", "no-log-file", "Disable logging to file", cmd);
TCLAP::SwitchArg runAsServiceArg ("d", "service", "Run as a service on Windows, or daemon on UNIX like systems", cmd);
cmd.parse(argc, argv);
// Copy the parsed args' values into a settings repository:
if (confArg.isSet())
{
AString conf_file = confArg.getValue();
a_Settings.AddValue("Server", "ConfigFile", conf_file);
}
if (slotsArg.isSet())
{
int slots = slotsArg.getValue();
a_Settings.AddValue("Server", "MaxPlayers", static_cast<Int64>(slots));
}
if (portsArg.isSet())
{
for (auto port: portsArg.getValue())
{
a_Settings.AddValue("Server", "Ports", std::to_string(port));
}
}
if (noFileLogArg.getValue())
{
a_Settings.AddValue("Server", "DisableLogFile", true);
}
if (commLogArg.getValue())
{
g_ShouldLogCommIn = true;
g_ShouldLogCommOut = true;
}
else
{
g_ShouldLogCommIn = commLogInArg.getValue();
g_ShouldLogCommOut = commLogOutArg.getValue();
}
if (noBufArg.getValue())
{
setvbuf(stdout, nullptr, _IONBF, 0);
}
a_Settings.SetReadOnly();
if (runAsServiceArg.getValue())
{
g_RunAsService = true;
}
// Apply the CrashDump flags for platforms that support them:
if (crashDumpGlobals.getValue())
{
MiniDumpWriter::AddDumpFlags(MiniDumpFlags::WithDataSegments);
}
if (crashDumpFull.getValue())
{
MiniDumpWriter::AddDumpFlags(MiniDumpFlags::WithFullMemory);
}
}
////////////////////////////////////////////////////////////////////////////////
// UniversalMain - Main startup logic for both standard running and as a service
static int UniversalMain(int argc, char * argv[], const bool a_RunningAsService)
{
const struct MiniDumpWriterRAII
{
MiniDumpWriterRAII()
{
// Registers a last chance exception handler to write a minidump on crash:
MiniDumpWriter::Register();
}
~MiniDumpWriterRAII()
{
MiniDumpWriter::Unregister();
}
} MiniDumpWriter;
const struct SleepResolutionBoosterRAII
{
SleepResolutionBoosterRAII()
{
// Boost timer resolution to keep TPS high:
SleepResolutionBooster::Register();
}
~SleepResolutionBoosterRAII()
{
SleepResolutionBooster::Unregister();
}
} SleepResolutionBooster;
// Register signal handlers, enabling graceful shutdown from the terminal:
ConsoleSignalHandler::Register();
// Initialize logging subsystem:
cLogger::InitiateMultithreading();
try
{
cMemorySettingsRepository Settings;
ParseArguments(argc, argv, Settings); // Make sure g_RunAsService is set correctly before checking its value.
// Attempt to run as a service:
if (g_RunAsService && !a_RunningAsService)
{
// This will either fork or call UniversalMain again:
if (StartAsService::MakeIntoService<&UniversalMain>())
{
return EXIT_SUCCESS;
}
}
while (true)
{
const struct NetworkRAII
{
NetworkRAII()
{
// Initialize LibEvent:
cNetworkSingleton::Get().Initialise();
}
~NetworkRAII()
{
// Shutdown all of LibEvent:
cNetworkSingleton::Get().Terminate();
}
} LibEvent;
cRoot Root;
if (!Root.Run(Settings))
{
break;
}
}
return EXIT_SUCCESS;
}
catch (const fmt::format_error & Oops)
{
std::cerr << "Formatting exception: " << Oops.what() << '\n';
}
catch (const TCLAP::ArgException & Oops)
{
std::cerr << fmt::sprintf("Error reading command line {} for argument {}\n", Oops.error(), Oops.argId());
}
catch (const std::exception & Oops)
{
std::cerr << "Standard exception: " << Oops.what() << '\n';
}
catch (...)
{
std::cerr << "Unknown exception!\n";
}
return EXIT_FAILURE;
}
int main(int argc, char ** argv)
{
#if !defined(NDEBUG) && defined(_MSC_VER)
_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
// _X: The simple built-in CRT leak finder - simply break when allocating the Nth block ({N} is listed in the leak output)
// Only useful when the leak is in the same sequence all the time
// _CrtSetBreakAlloc(85950);
#endif // !NDEBUG && _MSC_VER
return UniversalMain(argc, argv, false);
}
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