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// Copyright (C) 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "icing/util/logging_raw.h"
#include <cstdio>
#include <string>
// NOTE: this file contains two implementations: one for Android, one for all
// other cases. We always build exactly one implementation.
#if defined(__ANDROID__)
// Compiled as part of Android.
#include <android/log.h>
namespace icing {
namespace lib {
namespace {
// Converts LogSeverity to level for __android_log_write.
int GetAndroidLogLevel(LogSeverity::Code severity) {
switch (severity) {
case LogSeverity::VERBOSE:
return ANDROID_LOG_VERBOSE;
case LogSeverity::DBG:
return ANDROID_LOG_DEBUG;
case LogSeverity::INFO:
return ANDROID_LOG_INFO;
case LogSeverity::WARNING:
return ANDROID_LOG_WARN;
case LogSeverity::ERROR:
return ANDROID_LOG_ERROR;
case LogSeverity::FATAL:
return ANDROID_LOG_FATAL;
}
}
} // namespace
void LowLevelLogging(LogSeverity::Code severity, const std::string& tag,
const std::string& message) {
const int android_log_level = GetAndroidLogLevel(severity);
__android_log_write(android_log_level, tag.c_str(), message.c_str());
}
} // namespace lib
} // namespace icing
#else // if defined(__ANDROID__)
// Not on Android: implement LowLevelLogging to print to stderr (see below).
namespace icing {
namespace lib {
namespace {
// Converts LogSeverity to human-readable text.
const char *LogSeverityToString(LogSeverity::Code severity) {
switch (severity) {
case LogSeverity::VERBOSE:
return "VERBOSE";
case LogSeverity::DBG:
return "DEBUG";
case LogSeverity::INFO:
return "INFO";
case LogSeverity::WARNING:
return "WARNING";
case LogSeverity::ERROR:
return "ERROR";
case LogSeverity::FATAL:
return "FATAL";
}
}
} // namespace
void LowLevelLogging(LogSeverity::Code severity, const std::string &tag,
const std::string &message) {
// TODO(b/146903474) Do not log to stderr for logs other than FATAL and ERROR.
fprintf(stderr, "[%s] %s : %s\n", LogSeverityToString(severity), tag.c_str(),
message.c_str());
fflush(stderr);
}
} // namespace lib
} // namespace icing
#endif // if defined(__ANDROID__)
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