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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <string>
#include <cstdlib>
#include <chrono>
namespace ns_log {
[[noreturn]] void throwInvalid(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
class InvalidLogException {
private:
std::string _what;
public:
InvalidLogException& operator = (const InvalidLogException&) = delete;
InvalidLogException(const InvalidLogException &x) = default;
explicit InvalidLogException(const char *s) : _what(s) {}
~InvalidLogException() = default;
[[nodiscard]] const char *what() const { return _what.c_str(); }
};
using system_time = std::chrono::system_clock::time_point;
using duration = system_time::duration;
constexpr int64_t
count_s(duration d) noexcept {
return std::chrono::duration_cast<std::chrono::seconds>(d).count();
}
constexpr int64_t
count_us(duration d) noexcept {
return std::chrono::duration_cast<std::chrono::microseconds>(d).count();
}
// XXX this is way too complicated, must be some simpler way to do this
/** Timer class used to retrieve timestamp, such that we can override in test */
struct Timer {
virtual ~Timer() = default;
virtual system_time getTimestamp() const noexcept;
};
} // end namespace ns_log
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