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Show error messagebox outside CLR from VEH (#933)

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kizer 2022-07-24 00:36:37 +09:00 • committed by GitHub
parent 1574ef7c33
commit 379c52f5d4
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 27 additions and 29 deletions
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35
Dalamud.Boot/veh.cpp
View file

@ -2,6 +2,9 @@
#include "veh.h"
#include "logging.h"
#include "utils.h"
PVOID g_veh_handle = nullptr;
bool g_veh_do_full_dump = false;
@ -218,7 +221,7 @@ void print_exception_info(const EXCEPTION_POINTERS* ex, std::wostringstream& log
LONG exception_handler(EXCEPTION_POINTERS* ex)
{
static std::mutex s_exception_handler_mutex;
static std::recursive_mutex s_exception_handler_mutex;
if (!is_whitelist_exception(ex->ExceptionRecord->ExceptionCode))
return EXCEPTION_CONTINUE_SEARCH;
@ -229,16 +232,13 @@ LONG exception_handler(EXCEPTION_POINTERS* ex)
// block any other exceptions hitting the veh while the messagebox is open
const auto lock = std::lock_guard(s_exception_handler_mutex);
DWORD64 module_base;
std::filesystem::path module_path;
get_module_file_and_base(reinterpret_cast<DWORD64>(&exception_handler), module_base, module_path);
const auto module_path = utils::loaded_module(g_hModule).path().parent_path();
#ifndef NDEBUG
std::wstring dmp_path = module_path.replace_filename(L"dalamud_appcrashd.dmp").wstring();
const auto dmp_path = (module_path / L"dalamud_appcrashd.dmp").wstring();
#else
std::wstring dmp_path = module_path.replace_filename(L"dalamud_appcrash.dmp").wstring();
const auto dmp_path = (module_path / L"dalamud_appcrash.dmp").wstring();
#endif
std::wstring log_path = module_path.replace_filename(L"dalamud_appcrash.log").wstring();
const auto log_path = (module_path / L"dalamud_appcrash.log").wstring();
std::wostringstream log;
log << std::format(L"Unhandled native exception occurred at {}", to_address_string(ex->ContextRecord->Rip, false)) << std::endl;
@ -262,6 +262,7 @@ LONG exception_handler(EXCEPTION_POINTERS* ex)
MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), file, miniDumpType, &ex_info, nullptr, nullptr);
CloseHandle(file);
std::wstring message;
void* fn;
if (const auto err = static_cast<DWORD>(g_clr->get_function_pointer(
L"Dalamud.EntryPoint, Dalamud",
@ -269,25 +270,27 @@ LONG exception_handler(EXCEPTION_POINTERS* ex)
L"Dalamud.EntryPoint+VehDelegate, Dalamud",
nullptr, nullptr, &fn)))
{
const auto formatted = std::format(
message = std::format(
L"An error within the game has occurred.\n\n"
L"This may be caused by a faulty plugin, a broken TexTools modification, any other third-party tool or simply a bug in the game.\n"
L"Please try \"Start Over\" or \"Download Index Backup\" in TexTools, an integrity check in the XIVLauncher settings, and disabling plugins you don't need.\n\n"
L"The log file is located at:\n"
L"{1}\n\n"
L"Press OK to exit the application.\n\nFailed to read stack trace: {2:08x}",
L"Press OK to exit the application.\n\nFailed to read stack trace: 0x{2:08x}",
dmp_path, log_path, err);
// show in another thread to prevent messagebox from pumping messages of current thread
std::thread([&]() {
MessageBoxW(nullptr, formatted.c_str(), L"Dalamud Error", MB_OK | MB_ICONERROR | MB_TOPMOST);
}).join();
}
else
{
((void(__stdcall*)(const void*, const void*, const void*))fn)(dmp_path.c_str(), log_path.c_str(), log.str().c_str());
const auto pMessage = ((wchar_t*(__stdcall*)(const void*, const void*, const void*))fn)(dmp_path.c_str(), log_path.c_str(), log.str().c_str());
message = pMessage;
// Don't free it, as the program's going to be quit anyway
}
logging::E(std::format(L"Trapped in VEH handler: {}", message));
// show in another thread to prevent messagebox from pumping messages of current thread
std::thread([&]() { MessageBoxW(nullptr, message.c_str(), L"Dalamud Error", MB_ICONERROR | MB_TOPMOST | MB_OK); }).join();
return EXCEPTION_CONTINUE_SEARCH;
}

21
Dalamud/EntryPoint.cs
View file

@ -3,6 +3,7 @@ using System.Diagnostics;
using System.IO;
using System.Net;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
@ -43,7 +44,8 @@ namespace Dalamud
/// <param name="dumpPath">Path to minidump file created in UTF-16.</param>
/// <param name="logPath">Path to log file to create in UTF-16.</param>
/// <param name="log">Log text in UTF-16.</param>
public delegate void VehDelegate(IntPtr dumpPath, IntPtr logPath, IntPtr log);
/// <returns>HGLOBAL for message.</returns>
public delegate IntPtr VehDelegate(IntPtr dumpPath, IntPtr logPath, IntPtr log);
/// <summary>
/// Initialize Dalamud.
@ -67,7 +69,7 @@ namespace Dalamud
/// <param name="dumpPath">Path to minidump file created in UTF-16.</param>
/// <param name="logPath">Path to log file to create in UTF-16.</param>
/// <param name="log">Log text in UTF-16.</param>
public static void VehCallback(IntPtr dumpPath, IntPtr logPath, IntPtr log)
public static IntPtr VehCallback(IntPtr dumpPath, IntPtr logPath, IntPtr log)
{
string stackTrace;
try
@ -97,19 +99,12 @@ namespace Dalamud
msg += "\n\nAdditionally, failed to write file: " + e.ToString();
}
// Show in another thread to prevent messagebox from pumping messages of current thread.
var msgThread = new Thread(() =>
{
Utility.Util.Fatal(
msg.Format(
msg = msg.Format(
Marshal.PtrToStringUni(dumpPath),
Marshal.PtrToStringUni(logPath),
stackTrace),
"Dalamud Error",
false);
});
msgThread.Start();
msgThread.Join();
stackTrace);
return Marshal.StringToHGlobalUni(msg);
}
/// <summary>