Logging

[tbobm]

Create / add a global logging library

Bonus point if async.

Should be able to:

• Have different log levels
• Display timestamp
• Filename / line ?
• Configuration based on file (or arguments from CLI, if necessary)
• Message

Can be printf-based, of course. Like, printf's formatting.

Extra bonus point if handles HTTP requests with POST.

The functions should be available through a library. Best should be to use it as a dynamic library (.so/.dylib), in order to use printf for the server development, then easily switch to real logging using this library.

I'm available on this subject to help you package this.

---

Usage

#include "logging.h"
# or something along these lines

int    main(void) {
    log_info("starting program");
    log_debug("less useful information");
    return (0);
}

/*
 * log_info, log_debug, log_error can be implicit wrapper around another function,
 * log(int level, char *str, ...);
*/

---

Output

Stdout is a must-have. Having the option to write to a file or even /var/log/softwar.log would be really great too.

[tbobm]

See https://github.com/rxi/log.c

[tbobm]

Concrete usage:

log_trace(const char *fmt, ...);
log_debug(const char *fmt, ...);
log_info(const char *fmt, ...);
log_warn(const char *fmt, ...);
log_error(const char *fmt, ...);
log_fatal(const char *fmt, ...);