blob: 791b6deba68a133d1e938c99ab35c7ae2052b685 [file] [log] [blame]
// Copyright 2019 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "dawn/common/Log.h"
#include <cstdio>
#include <string>
#include "dawn/common/Assert.h"
#include "dawn/common/Platform.h"
#if DAWN_PLATFORM_IS(ANDROID)
#include <android/log.h>
#endif
#if DAWN_PLATFORM_IS(WINDOWS)
#include <windows.h>
#endif
namespace dawn {
namespace {
#if !defined(DAWN_DISABLE_LOGGING)
const char* SeverityName(LogSeverity severity) {
switch (severity) {
case LogSeverity::Debug:
return "Debug";
case LogSeverity::Info:
return "Info";
case LogSeverity::Warning:
return "Warning";
case LogSeverity::Error:
return "Error";
default:
DAWN_UNREACHABLE();
return "";
}
}
#endif
#if DAWN_PLATFORM_IS(ANDROID)
android_LogPriority AndroidLogPriority(LogSeverity severity) {
switch (severity) {
case LogSeverity::Debug:
return ANDROID_LOG_INFO;
case LogSeverity::Info:
return ANDROID_LOG_INFO;
case LogSeverity::Warning:
return ANDROID_LOG_WARN;
case LogSeverity::Error:
return ANDROID_LOG_ERROR;
default:
DAWN_UNREACHABLE();
return ANDROID_LOG_ERROR;
}
}
#endif // DAWN_PLATFORM_IS(ANDROID)
} // anonymous namespace
LogMessage::LogMessage(LogSeverity severity) : mSeverity(severity) {}
LogMessage::LogMessage(LogMessage&& other) = default;
LogMessage& LogMessage::operator=(LogMessage&& other) = default;
#if defined(DAWN_DISABLE_LOGGING)
LogMessage::~LogMessage() {
(void)mSeverity;
// Don't print logs to make fuzzing more efficient. Implemented as
// an early return to avoid warnings about unused member variables.
return;
}
#else // defined(DAWN_DISABLE_LOGGING)
LogMessage::~LogMessage() {
std::string fullMessage = mStream.str();
// If this message has been moved, its stream is empty.
if (fullMessage.empty()) {
return;
}
const char* severityName = SeverityName(mSeverity);
#if DAWN_PLATFORM_IS(ANDROID)
android_LogPriority androidPriority = AndroidLogPriority(mSeverity);
__android_log_print(androidPriority, "Dawn", "%s: %s\n", severityName, fullMessage.c_str());
#else // DAWN_PLATFORM_IS(ANDROID)
FILE* outputStream = stdout;
if (mSeverity == LogSeverity::Warning || mSeverity == LogSeverity::Error) {
outputStream = stderr;
}
#if DAWN_PLATFORM_IS(WINDOWS) && defined(OFFICIAL_BUILD)
// If we are in a sandboxed process on an official build, the stdout/stderr
// handles are likely not set, so trying to log to them will crash.
HANDLE handle;
if (outputStream == stderr) {
handle = GetStdHandle(STD_ERROR_HANDLE);
} else {
handle = GetStdHandle(STD_OUTPUT_HANDLE);
}
if (handle == INVALID_HANDLE_VALUE) {
return;
}
#endif // DAWN_PLATFORM_IS(WINDOWS) && defined(OFFICIAL_BUILD)
// Note: we use fprintf because <iostream> includes static initializers.
fprintf(outputStream, "%s: %s\n", severityName, fullMessage.c_str());
fflush(outputStream);
#endif // DAWN_PLATFORM_IS(ANDROID)
}
#endif // defined(DAWN_DISABLE_LOGGING)
LogMessage DebugLog() {
return LogMessage(LogSeverity::Debug);
}
LogMessage InfoLog() {
return LogMessage(LogSeverity::Info);
}
LogMessage WarningLog() {
return LogMessage(LogSeverity::Warning);
}
LogMessage ErrorLog() {
return LogMessage(LogSeverity::Error);
}
LogMessage DebugLog(const char* file, const char* function, int line) {
LogMessage message = DebugLog();
message << file << ":" << line << "(" << function << ")";
return message;
}
} // namespace dawn