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-rw-r--r--src/main.cpp204
1 files changed, 104 insertions, 100 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 5cd057278..2103f3356 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -39,7 +39,7 @@ bool cRoot::m_RunAsService = false;
#if defined(_WIN32)
- SERVICE_STATUS_HANDLE g_StatusHandle = NULL;
+ SERVICE_STATUS_HANDLE g_StatusHandle = nullptr;
HANDLE g_ServiceThread = INVALID_HANDLE_VALUE;
#define SERVICE_NAME "MCServerService"
#endif
@@ -145,7 +145,7 @@ Its purpose is to create the crashdump using the dbghlp DLLs
*/
LONG WINAPI LastChanceExceptionFilter(__in struct _EXCEPTION_POINTERS * a_ExceptionInfo)
{
- char * newStack = &g_ExceptionStack[sizeof(g_ExceptionStack)];
+ char * newStack = &g_ExceptionStack[sizeof(g_ExceptionStack) - 1];
char * oldStack;
// Use the substitute stack:
@@ -249,7 +249,8 @@ void universalMain(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
-#if defined(_WIN32)
+
+#if defined(_WIN32) // Windows service support.
////////////////////////////////////////////////////////////////////////////////
// serviceWorkerThread: Keep the service alive
@@ -266,6 +267,7 @@ DWORD WINAPI serviceWorkerThread(LPVOID lpParam)
+
////////////////////////////////////////////////////////////////////////////////
// serviceSetState: Set the internal status of the service
@@ -319,14 +321,10 @@ void WINAPI serviceCtrlHandler(DWORD CtrlCode)
void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
{
- #if defined(_DEBUG) && defined(DEBUG_SERVICE_STARTUP)
- Sleep(10000);
- #endif
-
char applicationFilename[MAX_PATH];
char applicationDirectory[MAX_PATH];
- GetModuleFileName(NULL, applicationFilename, sizeof(applicationFilename)); // This binary's file path.
+ GetModuleFileName(nullptr, applicationFilename, sizeof(applicationFilename)); // This binary's file path.
// Strip off the filename, keep only the path:
strncpy_s(applicationDirectory, sizeof(applicationDirectory), applicationFilename, (strrchr(applicationFilename, '\\') - applicationFilename));
@@ -337,8 +335,7 @@ void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
SetCurrentDirectory(applicationDirectory);
g_StatusHandle = RegisterServiceCtrlHandler(SERVICE_NAME, serviceCtrlHandler);
-
- if (g_StatusHandle == NULL)
+ if (g_StatusHandle == nullptr)
{
OutputDebugStringA("RegisterServiceCtrlHandler() failed\n");
serviceSetState(0, SERVICE_STOPPED, GetLastError());
@@ -347,8 +344,9 @@ void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
serviceSetState(SERVICE_ACCEPT_STOP, SERVICE_RUNNING, 0);
- g_ServiceThread = CreateThread(NULL, 0, serviceWorkerThread, NULL, 0, NULL);
- if (g_ServiceThread == NULL)
+ DWORD ThreadID;
+ g_ServiceThread = CreateThread(nullptr, 0, serviceWorkerThread, nullptr, 0, &ThreadID);
+ if (g_ServiceThread == nullptr)
{
OutputDebugStringA("CreateThread() failed\n");
serviceSetState(0, SERVICE_STOPPED, GetLastError());
@@ -360,7 +358,9 @@ void WINAPI serviceMain(DWORD argc, TCHAR *argv[])
serviceSetState(0, SERVICE_STOPPED, 0);
}
-#endif
+#endif // Windows service support.
+
+
@@ -368,42 +368,33 @@ std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
{
try
{
+ // Parse the comand line args:
TCLAP::CmdLine cmd("MCServer");
-
- 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::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 noBufArg("", "no-output-buffering", "Disable output buffering", cmd);
-
+ 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::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 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:
auto repo = cpp14::make_unique<cMemorySettingsRepository>();
-
if (slotsArg.isSet())
{
-
int slots = slotsArg.getValue();
-
repo->AddValue("Server", "MaxPlayers", static_cast<Int64>(slots));
-
}
-
if (portsArg.isSet())
{
- std::vector<int> ports = portsArg.getValue();
- for (auto port : ports)
+ for (auto port: portsArg.getValue())
{
repo->AddValue("Server", "Port", static_cast<Int64>(port));
}
}
-
if (commLogArg.getValue())
{
g_ShouldLogCommIn = true;
@@ -414,120 +405,133 @@ std::unique_ptr<cMemorySettingsRepository> parseArguments(int argc, char **argv)
g_ShouldLogCommIn = commLogInArg.getValue();
g_ShouldLogCommOut = commLogOutArg.getValue();
}
-
if (noBufArg.getValue())
{
setvbuf(stdout, nullptr, _IONBF, 0);
}
-
repo->SetReadOnly();
+ // Set the service flag directly to cRoot:
+ if (runAsServiceArg.getValue())
+ {
+ cRoot::m_RunAsService = true;
+ }
+
+ // Apply the CrashDump flags for platforms that support them:
+ #if defined(_WIN32) && !defined(_WIN64) && defined(_MSC_VER) // 32-bit Windows app compiled in MSVC
+ if (crashDumpGlobals.getValue())
+ {
+ g_DumpFlags = static_cast<MINIDUMP_TYPE>(g_DumpFlags | MiniDumpWithDataSegs);
+ }
+ if (crashDumpFull.getValue())
+ {
+ g_DumpFlags = static_cast<MINIDUMP_TYPE>(g_DumpFlags | MiniDumpWithFullMemory);
+ }
+ #endif // 32-bit Windows app compiled in MSVC
+
return repo;
}
- catch (TCLAP::ArgException &e)
+ catch (const TCLAP::ArgException & exc)
{
- printf("error reading command line %s for arg %s", e.error().c_str(), e.argId().c_str());
+ printf("Error reading command line %s for arg %s", exc.error().c_str(), exc.argId().c_str());
return cpp14::make_unique<cMemorySettingsRepository>();
}
}
+
+
+
////////////////////////////////////////////////////////////////////////////////
// main:
int main(int argc, char **argv)
{
-
#if defined(_MSC_VER) && defined(_DEBUG) && defined(ENABLE_LEAK_FINDER)
- InitLeakFinder();
+ InitLeakFinder();
#endif
// Magic code to produce dump-files on Windows if the server crashes:
- #if defined(_WIN32) && !defined(_WIN64) && defined(_MSC_VER)
- HINSTANCE hDbgHelp = LoadLibrary("DBGHELP.DLL");
- g_WriteMiniDump = (pMiniDumpWriteDump)GetProcAddress(hDbgHelp, "MiniDumpWriteDump");
- if (g_WriteMiniDump != nullptr)
- {
- _snprintf_s(g_DumpFileName, ARRAYCOUNT(g_DumpFileName), _TRUNCATE, "crash_mcs_%x.dmp", GetCurrentProcessId());
- SetUnhandledExceptionFilter(LastChanceExceptionFilter);
-
- // Parse arguments for minidump flags:
- for (int i = 0; i < argc; i++)
+ #if defined(_WIN32) && !defined(_WIN64) && defined(_MSC_VER) // 32-bit Windows app compiled in MSVC
+ HINSTANCE hDbgHelp = LoadLibrary("DBGHELP.DLL");
+ g_WriteMiniDump = (pMiniDumpWriteDump)GetProcAddress(hDbgHelp, "MiniDumpWriteDump");
+ if (g_WriteMiniDump != nullptr)
{
- if (_stricmp(argv[i], "/cdg") == 0)
- {
- // Add globals to the dump
- g_DumpFlags = (MINIDUMP_TYPE)(g_DumpFlags | MiniDumpWithDataSegs);
- }
- else if (_stricmp(argv[i], "/cdf") == 0)
- {
- // Add full memory to the dump (HUUUGE file)
- g_DumpFlags = (MINIDUMP_TYPE)(g_DumpFlags | MiniDumpWithFullMemory);
- }
- } // for i - argv[]
- }
- #endif // _WIN32 && !_WIN64
+ _snprintf_s(g_DumpFileName, ARRAYCOUNT(g_DumpFileName), _TRUNCATE, "crash_mcs_%x.dmp", GetCurrentProcessId());
+ SetUnhandledExceptionFilter(LastChanceExceptionFilter);
+ }
+ #endif // 32-bit Windows app compiled in MSVC
// End of dump-file magic
+
#if defined(_DEBUG) && defined(_MSC_VER)
- _CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
+ _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);
+ // _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 // _DEBUG && _MSC_VER
#ifndef _DEBUG
- std::signal(SIGSEGV, NonCtrlHandler);
- std::signal(SIGTERM, NonCtrlHandler);
- std::signal(SIGINT, NonCtrlHandler);
- std::signal(SIGABRT, NonCtrlHandler);
- #ifdef SIGABRT_COMPAT
- std::signal(SIGABRT_COMPAT, NonCtrlHandler);
- #endif // SIGABRT_COMPAT
+ std::signal(SIGSEGV, NonCtrlHandler);
+ std::signal(SIGTERM, NonCtrlHandler);
+ std::signal(SIGINT, NonCtrlHandler);
+ std::signal(SIGABRT, NonCtrlHandler);
+ #ifdef SIGABRT_COMPAT
+ std::signal(SIGABRT_COMPAT, NonCtrlHandler);
+ #endif // SIGABRT_COMPAT
#endif
- // DEBUG: test the dumpfile creation:
- // *((int *)0) = 0;
-
auto argsRepo = parseArguments(argc, argv);
-
- // Check if comm logging is to be enabled:
- for (int i = 0; i < argc; i++)
- {
- AString Arg(argv[i]);
- if (NoCaseCompare(Arg, "/service") == 0)
- {
- cRoot::m_RunAsService = true;
- }
- } // for i - argv[]
- #if defined(_WIN32)
// Attempt to run as a service
if (cRoot::m_RunAsService)
{
- SERVICE_TABLE_ENTRY ServiceTable[] =
- {
- { SERVICE_NAME, (LPSERVICE_MAIN_FUNCTION)serviceMain },
- { NULL, NULL }
- };
+ #if defined(_WIN32) // Windows service.
+ SERVICE_TABLE_ENTRY ServiceTable[] =
+ {
+ { SERVICE_NAME, (LPSERVICE_MAIN_FUNCTION)serviceMain },
+ { nullptr, nullptr }
+ };
- if (StartServiceCtrlDispatcher(ServiceTable) == FALSE)
- {
- LOGERROR("Attempted, but failed, service startup.");
- return GetLastError();
- }
+ if (StartServiceCtrlDispatcher(ServiceTable) == FALSE)
+ {
+ LOGERROR("Attempted, but failed, service startup.");
+ return GetLastError();
+ }
+ #else // UNIX daemon.
+ pid_t pid = fork();
+
+ // fork() returns a negative value on error.
+ if (pid < 0)
+ {
+ LOGERROR("Could not fork process.");
+ return EXIT_FAILURE;
+ }
+
+ // Check if we are the parent or child process. Parent stops here.
+ if (pid > 0)
+ {
+ return EXIT_SUCCESS;
+ }
+
+ // Child process now goes quiet, running in the background.
+ close(STDIN_FILENO);
+ close(STDOUT_FILENO);
+ close(STDERR_FILENO);
+
+ universalMain(std::move(argsRepo));
+ #endif
}
else
- #endif
{
// Not running as a service, do normal startup
universalMain(std::move(argsRepo));
}
#if defined(_MSC_VER) && defined(_DEBUG) && defined(ENABLE_LEAK_FINDER)
- DeinitLeakFinder();
+ DeinitLeakFinder();
#endif
return EXIT_SUCCESS;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 04:01:28 +0100