blob: ad11398a382760f4e98e57579141a9e37438b3cd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#include "common.hh"
#include "logger_base.hh"
#include <fstream>
#include <mutex>
namespace {
class LoggerFile : public LoggerBase {
public:
explicit LoggerFile(std::filesystem::path const& path)
: out_(path, std::ios::out | std::ios::app) {}
bool good() const {
return out_.good();
}
protected:
void msg(Level lvl, std::string_view msg) override {
std::lock_guard<std::mutex> lock(mutex_);
switch (lvl) {
case Level::ERR:
out_ << "Error: " << msg << std::endl;
break;
case Level::WARN:
out_ << "Warning: " << msg << std::endl;
break;
case Level::INFO:
out_ << msg << std::endl;
break;
case Level::DBG:
out_ << "Debug: " << msg << std::endl;
break;
}
}
private:
std::mutex mutex_;
std::fstream out_;
};
} // namespace
std::unique_ptr<Logger> Logger::create_file(std::filesystem::path const& path,
Logger* fallback) {
auto logger = std::make_unique<LoggerFile>(path);
if (logger->good())
return logger;
fallback->warn("Unable to open %s for appending.", path.c_str());
return nullptr;
}
|
