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fix : 도커 의존성 추가, 윈도우용 미니덤프 제거 Dotnet-dump사용

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This commit is contained in:
qornwh1
2026-03-11 12:55:24 +09:00
parent 9828b967a1
commit 1487082cc6
4 changed files with 32 additions and 106 deletions
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2
MMOTestServer/MMOserver/Dockerfile
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@@ -5,7 +5,9 @@ WORKDIR /app
FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
ARG BUILD_CONFIGURATION=Release
WORKDIR /src
# ServerLib 의존성 포함해서 restore (캐시 레이어 최적화)
COPY ["MMOserver/MMOserver.csproj", "MMOserver/"]
COPY ["ServerLib/ServerLib.csproj", "ServerLib/"]
RUN dotnet restore "MMOserver/MMOserver.csproj"
COPY . .
WORKDIR "/src/MMOserver"

5
MMOTestServer/MMOserver/MMOserver.csproj
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@@ -9,6 +9,11 @@
<LangVersion>13</LangVersion>
</PropertyGroup>
<PropertyGroup>
<DebugType>portable</DebugType>
<DebugSymbols>true</DebugSymbols>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="LiteNetLib" Version="2.0.2" />
<PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.3" />

115
MMOTestServer/ServerLib/Utils/CrashDumpHandler.cs
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@@ -1,4 +1,3 @@
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;
using Serilog;
@@ -6,12 +5,17 @@ using Serilog;
namespace ServerLib.Utils;
/// <summary>
/// 릴리즈 빌드 크래시 덤프 핸들러
/// 크래시 핸들러 (Windows / Linux 공통)
/// Register() 를 Program.cs 최상단에서 한 번 호출.
///
/// 덤프 생성은 CLR 환경변수로 처리 (스택 언와인드 전에 찍힘):
/// DOTNET_DbgEnableMiniDump=1
/// DOTNET_DbgMiniDumpType=4
/// DOTNET_DbgMiniDumpName=crashes/crash_%p_%t.dmp
///
/// 생성 파일 (crashes/ 폴더):
/// Debug : crash_YYYY-MM-DD_HH-mm-ss.log
/// Release : crash_YYYY-MM-DD_HH-mm-ss.log
/// crash_YYYY-MM-DD_HH-mm-ss.dmp ← 메모리 덤프 추가
/// crash_YYYY-MM-DD_HH-mm-ss.log ← 항상 생성
/// crash_%p_%t.dmp ← CLR이 직접 생성 (정확한 크래시 위치)
/// </summary>
public static class CrashDumpHandler
{
@@ -36,52 +40,35 @@ public static class CrashDumpHandler
private static void OnUnhandledException(object sender, UnhandledExceptionEventArgs e)
{
// 예외 컨텍스트가 살아있는 지금 즉시 캡처
IntPtr exceptionPointers = Marshal.GetExceptionPointers();
Exception? ex = e.ExceptionObject as Exception;
string tag = $"[CrashDump] UnhandledException (IsTerminating={e.IsTerminating})";
WriteCrash(tag, ex, exceptionPointers);
WriteCrash(tag, ex);
}
private static void OnUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
{
// Task 예외는 파이널라이저 스레드에서 통보되므로 포인터가 없을 수 있음
IntPtr exceptionPointers = Marshal.GetExceptionPointers();
e.SetObserved(); // 프로세스 종료 방지
string tag = "[CrashDump] UnobservedTaskException";
WriteCrash(tag, e.Exception, exceptionPointers);
WriteCrash(tag, e.Exception);
}
// ─── 핵심 처리 ───────────────────────────────────────────────────────
private static void WriteCrash(string tag, Exception? ex, IntPtr exceptionPointers)
private static void WriteCrash(string tag, Exception? ex)
{
try
{
Directory.CreateDirectory(CRASH_DIR);
string timestamp = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
string basePath = Path.Combine(CRASH_DIR, $"crash_{timestamp}");
string logPath = Path.Combine(CRASH_DIR, $"crash_{timestamp}.log");
// 1. 크래시 로그 작성
string logPath = $"{basePath}.log";
WriteCrashLog(logPath, ex);
Log.Fatal("{Tag} → {Log}", tag, logPath);
#if !DEBUG
// 2. 메모리 덤프 작성 (Release only)
string dmpPath = $"{basePath}.dmp";
WriteDumpFile(dmpPath, exceptionPointers);
Log.Fatal("[CrashDump] 덤프 파일 저장 완료 → {Dmp}", dmpPath);
#endif
}
catch (Exception writeEx)
{
// 덤프 저장 실패는 무시 (이미 크래시 중이므로)
Log.Error(writeEx, "[CrashDump] 덤프 저장 실패");
Log.Error(writeEx, "[CrashDump] 로그 저장 실패");
}
finally
{
@@ -97,7 +84,6 @@ public static class CrashDumpHandler
sb.AppendLine("═══════════════════════════════════════════════════");
sb.AppendLine();
// 환경 정보
sb.AppendLine("[Environment]");
sb.AppendLine($" OS : {RuntimeInformation.OSDescription}");
sb.AppendLine($" Runtime : {RuntimeInformation.FrameworkDescription}");
@@ -106,12 +92,10 @@ public static class CrashDumpHandler
sb.AppendLine($" MachineName: {Environment.MachineName}");
sb.AppendLine();
// 스레드 정보
sb.AppendLine("[Thread]");
sb.AppendLine($" ThreadId : {Environment.CurrentManagedThreadId}");
sb.AppendLine();
// 예외 정보
sb.AppendLine("[Exception]");
if (ex is null)
{
@@ -158,75 +142,4 @@ public static class CrashDumpHandler
AppendException(sb, ex.InnerException, depth + 1);
}
}
#if !DEBUG
// ─── Windows P/Invoke ────────────────────────────────────────────────
[StructLayout(LayoutKind.Sequential, Pack = 4)]
private struct MinidumpExceptionInformation
{
public uint ThreadId;
public IntPtr ExceptionPointers;
public int ClientPointers; // 0 = 서버 자신의 주소 공간
}
[DllImport("kernel32.dll")]
private static extern uint GetCurrentThreadId();
[DllImport("dbghelp.dll", SetLastError = true)]
private static extern bool MiniDumpWriteDump(
IntPtr hProcess, uint processId, IntPtr hFile,
uint dumpType, IntPtr exceptionParam,
IntPtr userStreamParam, IntPtr callbackParam);
private const uint MINI_DUMP_WITH_FULL_MEMORY = 0x00000002;
private static void WriteDumpFile(string path, IntPtr exceptionPointers)
{
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Log.Warning("[CrashDump] 덤프 생성은 Windows만 지원");
return;
}
using Process process = Process.GetCurrentProcess();
using FileStream fs = new(path, FileMode.Create, FileAccess.Write, FileShare.None);
IntPtr exInfoPtr = IntPtr.Zero;
try
{
if (exceptionPointers != IntPtr.Zero)
{
MinidumpExceptionInformation exInfo = new()
{
ThreadId = GetCurrentThreadId(),
ExceptionPointers = exceptionPointers,
ClientPointers = 0
};
exInfoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(exInfo));
Marshal.StructureToPtr(exInfo, exInfoPtr, false);
}
bool success = MiniDumpWriteDump(
process.Handle,
(uint)process.Id,
fs.SafeFileHandle.DangerousGetHandle(),
MINI_DUMP_WITH_FULL_MEMORY,
exInfoPtr, // 크래시 원인 스레드 & 예외 정보
IntPtr.Zero, IntPtr.Zero);
if (!success)
{
int err = Marshal.GetLastWin32Error();
Log.Error("[CrashDump] MiniDumpWriteDump 실패 (Win32 Error={Err})", err);
}
}
finally
{
if (exInfoPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(exInfoPtr);
}
}
}
#endif
}

6
MMOTestServer/compose.yaml
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@@ -7,4 +7,10 @@
ports:
- "9050:9050/udp" # LiteNetLib UDP 포트
- "9500:9500/udp" # LiteNetLib UDP 포트
environment:
- DOTNET_DbgEnableMiniDump=1 # 크래시 시 덤프 자동 생성
- DOTNET_DbgMiniDumpType=4 # 4 = Full dump
- DOTNET_DbgMiniDumpName=/app/crashes/crash_%p_%t.dmp
volumes:
- ./crashes:/app/crashes # 덤프/로그 로컬 마운트
restart: unless-stopped