A very simple and fast c++ logging library. Current backend is cerr. Removing mysql backend for simplicity. (I will add more backends using callback functions which is more flexible).
Libflog has no dependencies, so just build and install it as any ordinary C++ library:
# Build:
mkdir build && cd build
cmake ..
cmake --build .
# Optional: Test the library
ctest .
# Install:
cmake --build . --target installusing namespace flog;
auto l = logger::instance();
l->log("Checking engines...");
l->log(logger::level::INFO, "Inspection procedure started, please standby...");
l->log(logger::level::TRACE, "We are here at %d with %s", line, "Coder");
l->log(logger::level::DEBUG, "Entered engine check function...");
for(int engine=1; engine <= engine_count; ++engine)
{
std::this_thread::sleep_for(std::chrono::seconds{5});
l->log(logger::level::ERROR_,"Engine %d down!", engine);
}
l->log(logger::level::FATAL,"We will die on this planet...");Which will possibly output:
[2017-09-10 11:36:44.452][ INFO]: Checking engines...
[2017-09-10 11:36:44.452][ INFO]: Inspection procedure started, please standby...
[2017-09-10 11:36:44.452][TRACE]: We are here at 16582 with Coder
[2017-09-10 11:36:44.452][DEBUG]: Entered engine check function...
[2017-09-10 11:36:48.001][ERROR]: Engine 1 down!
[2017-09-10 11:36:54.191][ERROR]: Engine 2 down!
[2017-09-10 11:36:59.452][ERROR]: Engine 3 down!
[2017-09-10 11:37:04.463][ERROR]: Engine 4 down!
[2017-09-10 11:37:04.353][FATAL]: We will die on this planet...
Following features are planned for the first release (v1.x)
- Remove singleton API, replace it with static context on heap;
- Enable multiple backends in a single process;
- Add synchronous mode (currently only asynchronous logging is available);
- Add more backends:
- ordinary text file;
- rotary text file;
- syslog (on *nix systems);
- Winodws Event Log (on Microsoft Windows systems);
- MySQL;
- PostgreSQL;
- Microsoft SQL Server;
- SQLite;
- Add support for custom schema in for SQL-based backends;
- Add REST and SOAP endpoints to build centralized logging.