AudioCppTray/Server.cpp at main · spicchio72/AudioCppTray · GitHub

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#include "Server.h"
#include "LogWatcher.h"
#include "LogBuffer.h"
#include "Settings.h"
#include "Status.h"
#include "Localization.h"

#include <windows.h>
#include <string>


static PROCESS_INFORMATION g_processInfo{};


// Recupera la cartella dell'eseguibile corrente
std::wstring GetAppFolder()
{
    wchar_t path[MAX_PATH];

    GetModuleFileNameW(
        nullptr,
        path,
        MAX_PATH
    );

    std::wstring full(path);

    size_t pos = full.find_last_of(L"\\/");

    if (pos != std::wstring::npos)
        return full.substr(0, pos);

    return L".";
}


// controlla se il server è ancora vivo
bool IsServerRunning()
{
    if (!g_processInfo.hProcess)
        return false;


    DWORD result = WaitForSingleObject(
        g_processInfo.hProcess,
        0
    );


    return result == WAIT_TIMEOUT;
}


// avvia il server
bool StartServer()
{
    if (IsServerRunning())
    {
        SetServerStatus(ServerStatus::Online);
        return true;
    }

    if (!HasRequiredSettings())
    {
        SetServerStatus(ServerStatus::Offline);
        return false;
    }


    AppSettings settings = GetAppSettings();
    std::wstring folder = settings.serverFolder;


    std::wstring exe =
        folder +
        L"\\audiocpp_server.exe";


    std::wstring logArgument = settings.logFile;

    if (logArgument.find(L'\"') != std::wstring::npos)
        logArgument.clear();

    std::wstring command =
        L"\"" +
        exe +
        L"\" --config \"" +
        ResolveConfigFilePath(settings) +
        L"\" --log --log-file \"" +
        logArgument +
        L"\"";


    SetServerStatus(ServerStatus::Starting);


    ZeroMemory(
        &g_processInfo,
        sizeof(g_processInfo)
    );


    STARTUPINFOW si{};

    si.cb = sizeof(si);


    BOOL ok = CreateProcessW(
        nullptr,
        &command[0],
        nullptr,
        nullptr,
        FALSE,
        CREATE_NO_WINDOW | CREATE_UNICODE_ENVIRONMENT,
        nullptr,
        folder.c_str(),
        &si,
        &g_processInfo
    );


    if (ok)
    {
		ClearLogBuffer();
        StartLogWatcher();
		NotifyServerEvent(Translate(L"notification.started", L"AudioCpp Started").c_str());

    }
	else
	{
		SetServerStatus(ServerStatus::Offline);
	}


    return ok;
}


// ferma il server
void StopServer()
{
    if (!g_processInfo.hProcess)
    {
        SetServerStatus(ServerStatus::Offline);
        return;
    }


    bool wasRunning = IsServerRunning();

    if (wasRunning)
    {
        TerminateProcess(
            g_processInfo.hProcess,
            0
        );

        // TerminateProcess e' asincrona: attendiamo il rilascio di log.txt
        // prima che un roll log provi a rinominarlo.
        WaitForSingleObject(
            g_processInfo.hProcess,
            5000
        );
    }


    StopLogWatcher();


    CloseHandle(
        g_processInfo.hProcess
    );


    CloseHandle(
        g_processInfo.hThread
    );


    ZeroMemory(
        &g_processInfo,
        sizeof(g_processInfo)
    );

    SetServerStatus(ServerStatus::Offline);

    if (wasRunning)
        NotifyServerEvent(Translate(L"notification.stopped", L"AudioCpp Stopped").c_str());
}