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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <gtest/gtest.h>
#include <cstdlib>
#include <iostream>
#include <string>
#include "opentelemetry/nostd/shared_ptr.h"
#include "opentelemetry/sdk/common/attribute_utils.h"
#include "opentelemetry/sdk/common/global_log_handler.h"
class GlobalLogHandlerChecker
{
public:
GlobalLogHandlerChecker() {}
~GlobalLogHandlerChecker()
{
using opentelemetry::sdk::common::internal_log::GlobalLogHandler;
auto handle = GlobalLogHandler::GetLogHandler();
if (handle && custom_handler_destroyed)
{
OTEL_INTERNAL_LOG_ERROR("GlobalLogHandler should be destroyed here");
abort();
}
std::cout << "GlobalLogHandlerChecker destroyed and check pass.\n";
}
void Print() { std::cout << "GlobalLogHandlerChecker constructed\n"; }
GlobalLogHandlerChecker(const GlobalLogHandlerChecker &) = delete;
GlobalLogHandlerChecker(GlobalLogHandlerChecker &&) = delete;
GlobalLogHandlerChecker &operator=(const GlobalLogHandlerChecker &) = delete;
GlobalLogHandlerChecker &operator=(GlobalLogHandlerChecker &&) = delete;
static bool custom_handler_destroyed;
};
bool GlobalLogHandlerChecker::custom_handler_destroyed = false;
namespace
{
static GlobalLogHandlerChecker &ConstructChecker()
{
static GlobalLogHandlerChecker checker;
return checker;
}
} // namespace
class CustomLogHandler : public opentelemetry::sdk::common::internal_log::LogHandler
{
public:
~CustomLogHandler() override
{
GlobalLogHandlerChecker::custom_handler_destroyed = true;
std::cout << "Custom Gobal Log Handle destroyed\n";
}
void Handle(opentelemetry::sdk::common::internal_log::LogLevel level,
const char *,
int,
const char *msg,
const opentelemetry::sdk::common::AttributeMap &) noexcept override
{
if (level == opentelemetry::sdk::common::internal_log::LogLevel::Debug)
{
std::cout << "Custom Gobal Log Handle[Debug]: " << msg << "\n";
}
else if (level == opentelemetry::sdk::common::internal_log::LogLevel::Error)
{
std::cout << "Custom Gobal Log Handle[Error]: " << msg << "\n";
}
else if (level == opentelemetry::sdk::common::internal_log::LogLevel::Info)
{
std::cout << "Custom Gobal Log Handle[Info]: " << msg << "\n";
}
else if (level == opentelemetry::sdk::common::internal_log::LogLevel::Warning)
{
std::cout << "Custom Gobal Log Handle[Warning]: " << msg << "\n";
}
++count;
}
size_t count = 0;
};
TEST(GlobalLogHandleSingletonTest, Lifetime)
{
// Setup a new static variable which will be destroyed after the global handle
ConstructChecker().Print();
using opentelemetry::sdk::common::internal_log::GlobalLogHandler;
using opentelemetry::sdk::common::internal_log::LogHandler;
auto custom_log_handler = opentelemetry::nostd::shared_ptr<LogHandler>(new CustomLogHandler{});
opentelemetry::sdk::common::internal_log::GlobalLogHandler::SetLogHandler(custom_log_handler);
auto before_count = static_cast<CustomLogHandler *>(custom_log_handler.get())->count;
opentelemetry::sdk::common::AttributeMap attributes = {
{"url", "https://opentelemetry.io/"}, {"content-length", 0}, {"content-type", "text/html"}};
OTEL_INTERNAL_LOG_ERROR("Error message");
OTEL_INTERNAL_LOG_DEBUG("Debug message. Headers:", attributes);
EXPECT_EQ(before_count + 1, static_cast<CustomLogHandler *>(custom_log_handler.get())->count);
{
auto handle = GlobalLogHandler::GetLogHandler();
EXPECT_TRUE(!!handle);
}
}
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