forked from Green-Sky/tomato
Green Sky
83e200df43
e29e185c03 feat: add ngc events 2b0dc0f46b add ngc related unpack functions b2315c50e0 Add groupchat API function that returns an IP address string for a peer 5f863a5492 feat: Add `to_string` functions for all public enums. 0c998a7598 add real timeout test 68c827609a chore: Move s390x build to post-merge. 028b017d79 perf: Slightly reduce bandwidth usage when there are few nodes. 90f7496819 feat: Enable ubsan on bootstrap nodes. 89b6450d66 test: Add check-c run to bazel build. REVERT: adbd5b32d8 feat: add ngc events git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: e29e185c03fea7337036e5ef4d1d9080a6cee721
125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2016-2018 The TokTok team.
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* Copyright © 2013-2015 Tox project.
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*/
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/**
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* Text logging abstraction.
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*/
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#include "logger.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ccompat.h"
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struct Logger {
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logger_cb *callback;
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void *context;
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void *userdata;
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};
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#ifndef NDEBUG
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static const char *logger_level_name(Logger_Level level)
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{
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switch (level) {
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case LOGGER_LEVEL_TRACE:
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return "TRACE";
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case LOGGER_LEVEL_DEBUG:
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return "DEBUG";
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case LOGGER_LEVEL_INFO:
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return "INFO";
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case LOGGER_LEVEL_WARNING:
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return "WARNING";
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case LOGGER_LEVEL_ERROR:
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return "ERROR";
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}
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return "<unknown>";
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}
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#endif
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non_null(1, 3, 5, 6) nullable(7)
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static void logger_stderr_handler(void *context, Logger_Level level, const char *file, int line, const char *func,
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const char *message, void *userdata)
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{
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#ifndef NDEBUG
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// GL stands for "global logger".
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fprintf(stderr, "[GL] %s %s:%d(%s): %s\n", logger_level_name(level), file, line, func, message);
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fprintf(stderr, "Default stderr logger triggered; aborting program\n");
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abort();
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#endif
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}
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static const Logger logger_stderr = {
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logger_stderr_handler,
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nullptr,
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nullptr,
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};
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/*
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* Public Functions
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*/
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Logger *logger_new(void)
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{
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return (Logger *)calloc(1, sizeof(Logger));
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}
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void logger_kill(Logger *log)
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{
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free(log);
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}
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void logger_callback_log(Logger *log, logger_cb *function, void *context, void *userdata)
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{
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log->callback = function;
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log->context = context;
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log->userdata = userdata;
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}
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void logger_write(const Logger *log, Logger_Level level, const char *file, int line, const char *func,
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const char *format, ...)
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{
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if (log == nullptr) {
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log = &logger_stderr;
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}
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if (log->callback == nullptr) {
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return;
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}
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// Only pass the file name, not the entire file path, for privacy reasons.
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// The full path may contain PII of the person compiling toxcore (their
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// username and directory layout).
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const char *filename = strrchr(file, '/');
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file = filename != nullptr ? filename + 1 : file;
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#if defined(_WIN32) || defined(__CYGWIN__)
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// On Windows, the path separator *may* be a backslash, so we look for that
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// one too.
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const char *windows_filename = strrchr(file, '\\');
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file = windows_filename != nullptr ? windows_filename + 1 : file;
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#endif
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// Format message
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char msg[1024];
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va_list args;
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va_start(args, format);
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vsnprintf(msg, sizeof(msg), format, args);
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va_end(args);
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log->callback(log->context, level, file, line, func, msg, log->userdata);
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}
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void logger_abort(void)
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{
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abort();
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}
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