Green Sky
227425b90e
git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455
120 lines
2.8 KiB
C
120 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
|
|
* Copyright © 2016-2018 The TokTok team.
|
|
* Copyright © 2013-2015 Tox project.
|
|
*/
|
|
|
|
/**
|
|
* Text logging abstraction.
|
|
*/
|
|
#include "logger.h"
|
|
|
|
#include <assert.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "ccompat.h"
|
|
|
|
struct Logger {
|
|
logger_cb *callback;
|
|
void *context;
|
|
void *userdata;
|
|
};
|
|
|
|
#ifndef NDEBUG
|
|
static const char *logger_level_name(Logger_Level level)
|
|
{
|
|
switch (level) {
|
|
case LOGGER_LEVEL_TRACE:
|
|
return "TRACE";
|
|
|
|
case LOGGER_LEVEL_DEBUG:
|
|
return "DEBUG";
|
|
|
|
case LOGGER_LEVEL_INFO:
|
|
return "INFO";
|
|
|
|
case LOGGER_LEVEL_WARNING:
|
|
return "WARNING";
|
|
|
|
case LOGGER_LEVEL_ERROR:
|
|
return "ERROR";
|
|
}
|
|
|
|
return "<unknown>";
|
|
}
|
|
#endif
|
|
|
|
non_null(1, 3, 5, 6) nullable(7)
|
|
static void logger_stderr_handler(void *context, Logger_Level level, const char *file, int line, const char *func,
|
|
const char *message, void *userdata)
|
|
{
|
|
#ifndef NDEBUG
|
|
// GL stands for "global logger".
|
|
fprintf(stderr, "[GL] %s %s:%d(%s): %s\n", logger_level_name(level), file, line, func, message);
|
|
fprintf(stderr, "Default stderr logger triggered; aborting program\n");
|
|
abort();
|
|
#endif
|
|
}
|
|
|
|
static const Logger logger_stderr = {
|
|
logger_stderr_handler,
|
|
nullptr,
|
|
nullptr,
|
|
};
|
|
|
|
/*
|
|
* Public Functions
|
|
*/
|
|
|
|
Logger *logger_new(void)
|
|
{
|
|
return (Logger *)calloc(1, sizeof(Logger));
|
|
}
|
|
|
|
void logger_kill(Logger *log)
|
|
{
|
|
free(log);
|
|
}
|
|
|
|
void logger_callback_log(Logger *log, logger_cb *function, void *context, void *userdata)
|
|
{
|
|
log->callback = function;
|
|
log->context = context;
|
|
log->userdata = userdata;
|
|
}
|
|
|
|
void logger_write(const Logger *log, Logger_Level level, const char *file, int line, const char *func,
|
|
const char *format, ...)
|
|
{
|
|
if (log == nullptr) {
|
|
log = &logger_stderr;
|
|
}
|
|
|
|
if (log->callback == nullptr) {
|
|
return;
|
|
}
|
|
|
|
// Only pass the file name, not the entire file path, for privacy reasons.
|
|
// The full path may contain PII of the person compiling toxcore (their
|
|
// username and directory layout).
|
|
const char *filename = strrchr(file, '/');
|
|
file = filename != nullptr ? filename + 1 : file;
|
|
#if defined(_WIN32) || defined(__CYGWIN__)
|
|
// On Windows, the path separator *may* be a backslash, so we look for that
|
|
// one too.
|
|
const char *windows_filename = strrchr(file, '\\');
|
|
file = windows_filename != nullptr ? windows_filename + 1 : file;
|
|
#endif
|
|
|
|
// Format message
|
|
char msg[1024];
|
|
va_list args;
|
|
va_start(args, format);
|
|
vsnprintf(msg, sizeof(msg), format, args);
|
|
va_end(args);
|
|
|
|
log->callback(log->context, level, file, line, func, msg, log->userdata);
|
|
}
|