Matija Kecman
ca5337161d
PiperOrigin-RevId: 954769526 Change-Id: I4cdee083082f7d55c2babd5e664ec0283a2aaf63
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
// Copyright 2026 DeepMind Technologies Limited
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NETIMGUI_GOOGLE_LOGGING_H_
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#define THIRD_PARTY_NETIMGUI_GOOGLE_LOGGING_H_
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#include <time.h>
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#include <chrono>
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#include <cstdarg>
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#include <cstdio>
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#include <cstring>
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#if defined(__EMSCRIPTEN__)
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#include <emscripten/console.h>
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#endif
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namespace NetImgui {
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enum class LogSeverity { kInfo, kWarning, kError };
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// Set to 1 or higher to enable VLOG messages at runtime.
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constexpr int kLogVerbosity = 0;
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__attribute__((format(printf, 4, 5))) inline void NetImGuiLog(
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LogSeverity severity, const char* file, int line, const char* fmt, ...) {
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char buf[1024];
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const char* basename = strrchr(file, '/');
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basename = basename ? basename + 1 : file;
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auto now_tp = std::chrono::system_clock::now();
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time_t now = std::chrono::system_clock::to_time_t(now_tp);
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auto now_usec = std::chrono::duration_cast<std::chrono::microseconds>(
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now_tp.time_since_epoch())
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.count() %
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1000000;
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struct tm tm_info;
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localtime_r(&now, &tm_info);
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const char severity_char = severity == LogSeverity::kError ? 'E'
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: severity == LogSeverity::kWarning ? 'W'
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: 'I';
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int prefix_len = snprintf(
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buf, sizeof(buf), "%c%02d%02d %02d:%02d:%02d.%06d %s:%d] ", severity_char,
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tm_info.tm_mon + 1, tm_info.tm_mday, tm_info.tm_hour, tm_info.tm_min,
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tm_info.tm_sec, static_cast<int>(now_usec), basename, line);
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if (prefix_len < 0 || prefix_len >= static_cast<int>(sizeof(buf))) {
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prefix_len = 0; // overwrite prefix on error or truncation
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}
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va_list args;
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va_start(args, fmt);
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vsnprintf(buf + prefix_len, sizeof(buf) - prefix_len, fmt, args);
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va_end(args);
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if (severity == LogSeverity::kInfo) {
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#if defined(__EMSCRIPTEN__)
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emscripten_out(buf);
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#else
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fputs(buf, stdout);
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fputc('\n', stdout);
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fflush(stdout);
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#endif
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} else {
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#if defined(__EMSCRIPTEN__)
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emscripten_err(buf);
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#else
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fputs(buf, stderr);
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fputc('\n', stderr);
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fflush(stderr);
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#endif
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}
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}
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} // namespace NetImgui
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#define LOG(severity, fmt, ...) \
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::NetImgui::NetImGuiLog(::NetImgui::LogSeverity::k##severity, __FILE__, \
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__LINE__, fmt, ##__VA_ARGS__)
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#define VLOG(level, fmt, ...) \
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do { \
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if (::NetImgui::kLogVerbosity >= (level)) \
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::NetImgui::NetImGuiLog(::NetImgui::LogSeverity::kInfo, __FILE__, \
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__LINE__, fmt, ##__VA_ARGS__); \
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} while (0)
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#endif // THIRD_PARTY_NETIMGUI_GOOGLE_LOGGING_H_
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