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WIP

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This commit is contained in:
Erik Frojdh
2020-03-04 15:25:49 +01:00
parent ff9c37701b
commit 661adaf4ed
4 changed files with 118 additions and 88 deletions
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60
slsSupportLib/include/logger2.h
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@ -1,33 +1,26 @@
#pragma once
/*Utility to log to console*/
#include "ansi.h" //Colors
#include "logger.h"
#include "ansi.h" //Colors
#include "logger.h" //for enum, to be removed
#include <iostream>
#include <chrono>
#include <sstream>
#include <iomanip>
#include <map>
/*
Define the max level that is visible
The compiler should optimize away any calls below
this level
*/
#ifndef LOG_MAX_LEVEL
#define LOG_MAX_LEVEL logINFO
// Compiler should optimize away anything below this value
#ifndef LOG_MAX_REPORTING_LEVEL
#define LOG_MAX_REPORTING_LEVEL logINFO
#endif
namespace sls {
class Logger {
std::ostringstream os;
TLogLevel level = LOG_MAX_LEVEL;
TLogLevel level = LOG_MAX_REPORTING_LEVEL;
public:
Logger() = default;
Logger(TLogLevel level) : level(level){};
~Logger() {
// output happens in the destructor to allow for <<
// output in the destructor to allow for << syntax
os << Reset() << '\n';
std::clog << os.str(); // Single write
}
@ -38,13 +31,14 @@ class Logger {
}
// Danger this buffer need as many elements as TLogLevel
static const char *Color(TLogLevel level) {
static const char *Color(TLogLevel level) noexcept {
static const char *const colors[] = {
RED BOLD, YELLOW BOLD, RESET, BLUE, RED, RESET,
RESET, RESET, RESET, RESET, RESET, RESET};
return colors[level];
}
static const char *Reset() {
static const char *Reset() noexcept {
static const char *reset = RESET;
return reset;
}
@ -58,26 +52,32 @@ class Logger {
}
std::ostringstream &Get() {
os << Color(level);
os << "- " << Time();
os << " " << ToString(level) << ": ";
os << Color(level) << "- " << Timestamp() << " " << ToString(level)
<< ": ";
return os;
}
std::string Time(decltype(std::chrono::system_clock::now()) now =
std::chrono::system_clock::now()) {
std::ostringstream oss;
auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(
now.time_since_epoch()) %
1000;
std::time_t now_time = std::chrono::system_clock::to_time_t(now);
oss << std::put_time(std::localtime(&now_time), "%H:%M:%S") << "."
<< std::setw(3) << std::setfill('0') << ms.count();
return oss.str();
std::string Timestamp() {
constexpr size_t buffer_len = 12;
char buffer[buffer_len];
time_t t;
time(&t);
tm r;
strftime(buffer, buffer_len, "%X", localtime_r(&t, &r));
buffer[buffer_len - 1] = '\0';
struct timeval tv;
gettimeofday(&tv, nullptr);
constexpr size_t result_len = 100;
char result[result_len];
snprintf(result, result_len, "%s.%03ld", buffer,
(long)tv.tv_usec / 1000);
result[result_len - 1] = '\0';
return result;
}
};
#define LOG(level) \
if (level > LOG_MAX_LEVEL) \
if (level > LOG_MAX_REPORTING_LEVEL) \
; \
else if (level > sls::Logger::ReportingLevel()) \
; \