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catch exceptions during flush and cal handler

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This commit is contained in:
gabime 2018-05-22 21:59:14 +03:00
parent d0b8ecb6dd
commit cf63bcb808
2 changed files with 34 additions and 8 deletions
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11
include/spdlog/details/logger_impl.h
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@ -278,7 +278,18 @@ inline spdlog::log_err_handler spdlog::logger::error_handler()
inline void spdlog::logger::flush() inline void spdlog::logger::flush()
{ {
try
{
_flush(); _flush();
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in logger during flush: " + _name);
}
} }
inline void spdlog::logger::flush_on(level::level_enum log_level) inline void spdlog::logger::flush_on(level::level_enum log_level)

29
tests/errors.cpp
View File

@ -7,16 +7,20 @@
class failing_sink : public spdlog::sinks::sink class failing_sink : public spdlog::sinks::sink
{ {
void log(const spdlog::details::log_msg &msg) override void log(const spdlog::details::log_msg &) override
{ {
throw std::runtime_error("some error happened during log"); throw std::runtime_error("some error happened during log");
} }
void flush() override {} void flush() override
{
throw std::runtime_error("some error happened during flush");
}
}; };
TEST_CASE("default_error_handler", "[errors]]") TEST_CASE("default_error_handler", "[errors]]")
{ {
spdlog::drop_all();
prepare_logdir(); prepare_logdir();
std::string filename = "logs/simple_log.txt"; std::string filename = "logs/simple_log.txt";
@ -40,11 +44,12 @@ struct custom_ex
}; };
TEST_CASE("custom_error_handler", "[errors]]") TEST_CASE("custom_error_handler", "[errors]]")
{ {
spdlog::drop_all();
prepare_logdir(); prepare_logdir();
std::string filename = "logs/simple_log.txt"; std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true); auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->flush_on(spdlog::level::info); logger->flush_on(spdlog::level::info);
logger->set_error_handler([=](const std::string &msg) { throw custom_ex(); }); logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
logger->info("Good message #1"); logger->info("Good message #1");
#if !defined(SPDLOG_FMT_PRINTF) #if !defined(SPDLOG_FMT_PRINTF)
REQUIRE_THROWS_AS(logger->info("Bad format msg {} {}", "xxx"), custom_ex); REQUIRE_THROWS_AS(logger->info("Bad format msg {} {}", "xxx"), custom_ex);
@ -57,14 +62,23 @@ TEST_CASE("custom_error_handler", "[errors]]")
TEST_CASE("default_error_handler2", "[errors]]") TEST_CASE("default_error_handler2", "[errors]]")
{ {
spdlog::drop_all();
auto logger = spdlog::create<failing_sink>("failed_logger"); auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &msg) { throw custom_ex(); }); logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
REQUIRE_THROWS_AS(logger->info("Some message"), custom_ex); REQUIRE_THROWS_AS(logger->info("Some message"), custom_ex);
} }
TEST_CASE("flush_error_handler", "[errors]]")
{
spdlog::drop_all();
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
REQUIRE_THROWS_AS(logger->flush(), custom_ex);
}
TEST_CASE("async_error_handler", "[errors]]") TEST_CASE("async_error_handler", "[errors]]")
{ {
spdlog::drop_all();
prepare_logdir(); prepare_logdir();
std::string err_msg("log failed with some msg"); std::string err_msg("log failed with some msg");
@ -72,7 +86,7 @@ TEST_CASE("async_error_handler", "[errors]]")
{ {
spdlog::init_thread_pool(128, 1); spdlog::init_thread_pool(128, 1);
auto logger = spdlog::create_async_logger<spdlog::sinks::simple_file_sink_mt>("logger", filename, true); auto logger = spdlog::create_async_logger<spdlog::sinks::simple_file_sink_mt>("logger", filename, true);
logger->set_error_handler([=](const std::string &msg) { logger->set_error_handler([=](const std::string &) {
std::ofstream ofs("logs/custom_err.txt"); std::ofstream ofs("logs/custom_err.txt");
if (!ofs) if (!ofs)
throw std::runtime_error("Failed open logs/custom_err.txt"); throw std::runtime_error("Failed open logs/custom_err.txt");
@ -95,12 +109,13 @@ TEST_CASE("async_error_handler", "[errors]]")
// Make sure async error handler is executed // Make sure async error handler is executed
TEST_CASE("async_error_handler2", "[errors]]") TEST_CASE("async_error_handler2", "[errors]]")
{ {
spdlog::drop_all();
prepare_logdir(); prepare_logdir();
std::string err_msg("This is async handler error message"); std::string err_msg("This is async handler error message");
{ {
spdlog::init_thread_pool(128, 1); spdlog::init_thread_pool(128, 1);
auto logger = spdlog::create_async_logger<failing_sink>("failed_logger"); auto logger = spdlog::create_async_logger<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &msg) { logger->set_error_handler([=](const std::string &) {
std::ofstream ofs("logs/custom_err2.txt"); std::ofstream ofs("logs/custom_err2.txt");
if (!ofs) if (!ofs)
throw std::runtime_error("Failed open logs/custom_err2.txt"); throw std::runtime_error("Failed open logs/custom_err2.txt");