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log exceptions and flush log file

This commit is contained in:
georgemoralis 2023-10-27 18:57:48 +03:00
parent af3710887c
commit 2f0fec806a
1 changed files with 64 additions and 0 deletions
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64
src/Util/log.cpp
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@ -7,8 +7,53 @@
#include <vector>
#include <Util/config.h>
#ifdef _WIN64
#include <Windows.h>
#endif
#include "log.h"
namespace logging {
std::vector<spdlog::sink_ptr> sinks;
constexpr bool log_file_exceptions = true; // disable it to disable logging
void flush() { spdlog::details::registry::instance().flush_all(); }
#ifdef _WIN64
static LONG WINAPI exception_handler(PEXCEPTION_POINTERS pExp) noexcept {
const unsigned ec = pExp->ExceptionRecord->ExceptionCode;
switch (ec) {
case EXCEPTION_ACCESS_VIOLATION:
LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_ACCESS_VIOLATION ({}). ", log_hex(ec));
switch (pExp->ExceptionRecord->ExceptionInformation[0]) {
case 0: LOG_CRITICAL_IF(log_file_exceptions,"Read violation at address {}.", log_hex(pExp->ExceptionRecord->ExceptionInformation[1])); break;
case 1: LOG_CRITICAL_IF(log_file_exceptions,"Write violation at address {}.", log_hex(pExp->ExceptionRecord->ExceptionInformation[1])); break;
case 8:LOG_CRITICAL_IF(log_file_exceptions,"DEP violation at address {}.", log_hex(pExp->ExceptionRecord->ExceptionInformation[1])); break;
default: break;
}
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_ARRAY_BOUNDS_EXCEEDED ({}). ", log_hex(ec)); break;
case EXCEPTION_DATATYPE_MISALIGNMENT: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_DATATYPE_MISALIGNMENT ({}). ", log_hex(ec)); break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_FLT_DIVIDE_BY_ZERO ({}). ", log_hex(ec)); break;
case EXCEPTION_ILLEGAL_INSTRUCTION: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_ILLEGAL_INSTRUCTION ({}). ", log_hex(ec)); break;
case EXCEPTION_IN_PAGE_ERROR: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_IN_PAGE_ERROR ({}). ", log_hex(ec)); break;
case EXCEPTION_INT_DIVIDE_BY_ZERO: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_INT_DIVIDE_BY_ZERO ({}). ", log_hex(ec)); break;
case EXCEPTION_PRIV_INSTRUCTION: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_PRIV_INSTRUCTION ({}). ", log_hex(ec)); break;
case EXCEPTION_STACK_OVERFLOW: LOG_CRITICAL_IF(log_file_exceptions,"Exception EXCEPTION_STACK_OVERFLOW ({}). ", log_hex(ec)); break;
default: return EXCEPTION_CONTINUE_SEARCH;
}
flush();
return EXCEPTION_CONTINUE_SEARCH;
}
void register_log_exception_handler() {
if (!AddVectoredExceptionHandler(0, exception_handler)) {
LOG_CRITICAL_IF(log_file_exceptions,"Failed to register an exception handler");
}
}
#endif
int init(bool use_stdout) {
sinks.clear(); // clear existing sinks
@ -20,9 +65,28 @@ int init(bool use_stdout) {
spdlog::set_formatter(std::move(f));
spdlog::set_level(static_cast<spdlog::level::level_enum>(Config::getLogLevel()));
spdlog::level::level_enum t = spdlog::get_level();
#ifdef _WIN64
register_log_exception_handler();
#endif
static std::terminate_handler old_terminate = nullptr;
old_terminate = std::set_terminate([]() {
try {
std::rethrow_exception(std::current_exception());
} catch (const std::exception &e) {
LOG_CRITICAL_IF(log_file_exceptions, "Unhandled C++ exception. {}", e.what());
} catch (...) {
LOG_CRITICAL_IF(log_file_exceptions, "Unhandled C++ exception. UNKNOWN");
}
flush();
if (old_terminate) old_terminate();
});
return 0; // all ok
}
void set_level(spdlog::level::level_enum log_level) { spdlog::set_level(log_level); }
} // namespace logging