82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
#pragma once
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#include <chrono>
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#include <sstream>
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static std::string GetCurrentTimeStamp(int time_stamp_type )
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{
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std::chrono::system_clock::time_point now = std::chrono::system_clock::now();
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std::time_t now_time_t = std::chrono::system_clock::to_time_t(now);
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std::tm* now_tm = std::localtime(&now_time_t);
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char buffer[128];
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strftime(buffer, sizeof(buffer), "%F %T", now_tm);
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std::ostringstream ss;
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ss.fill('0');
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std::chrono::milliseconds ms;
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std::chrono::microseconds cs;
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std::chrono::nanoseconds ns;
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switch (time_stamp_type)
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{
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case 0:
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ss << buffer;
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break;
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case 1:
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ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()) % 1000;
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ss << buffer << ":" << ms.count();
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break;
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case 2:
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ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()) % 1000;
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cs = std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch()) % 1000000;
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ss << buffer << ":" << ms.count() << ":" << cs.count() % 1000;
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break;
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case 3:
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ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()) % 1000;
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cs = std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch()) % 1000000;
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ns = std::chrono::duration_cast<std::chrono::nanoseconds>(now.time_since_epoch()) % 1000000000;
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ss << buffer << ":" << ms.count() << ":" << cs.count() % 1000 << ":" << ns.count() % 1000;
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break;
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default:
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ss << buffer;
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break;
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}
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return ss.str();
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}
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class StopWatch
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{
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public:
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StopWatch() {
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_start = std::chrono::steady_clock::now();
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}
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void reset() {
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_start = std::chrono::steady_clock::now();
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}
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double elapsed_s() {
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return std::chrono::duration<double>(std::chrono::steady_clock::now() - _start).count();
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}
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double elapsed_ms() {
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return std::chrono::duration<double, std::milli>(std::chrono::steady_clock::now() - _start).count();
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}
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double elapsed_us() {
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return std::chrono::duration<double, std::micro>(std::chrono::steady_clock::now() - _start).count();
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}
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double elapsed_ns() {
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return std::chrono::duration<double, std::nano>(std::chrono::steady_clock::now() - _start).count();
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}
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private:
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std::chrono::steady_clock::time_point _start;
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};
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