blob: d4273b9381da77da073c8e3e4285bfdc31c5b6e4 [file] [log] [blame] [edit]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <algorithm>
#include <iostream>
#include "flutter/fml/build_config.h"
#include "flutter/fml/log_settings.h"
#include "flutter/fml/logging.h"
#if defined(OS_ANDROID)
#include <android/log.h>
#elif defined(OS_IOS)
#include <syslog.h>
#endif
namespace fml {
namespace {
const char* const kLogSeverityNames[LOG_NUM_SEVERITIES] = {"INFO", "WARNING",
"ERROR", "FATAL"};
const char* GetNameForLogSeverity(LogSeverity severity) {
if (severity >= LOG_INFO && severity < LOG_NUM_SEVERITIES) {
return kLogSeverityNames[severity];
}
return "UNKNOWN";
}
const char* StripDots(const char* path) {
while (strncmp(path, "../", 3) == 0) {
path += 3;
}
return path;
}
const char* StripPath(const char* path) {
auto* p = strrchr(path, '/');
if (p) {
return p + 1;
}
return path;
}
} // namespace
LogMessage::LogMessage(LogSeverity severity,
const char* file,
int line,
const char* condition)
: severity_(severity), file_(file), line_(line) {
stream_ << "[";
if (severity >= LOG_INFO) {
stream_ << GetNameForLogSeverity(severity);
} else {
stream_ << "VERBOSE" << -severity;
}
stream_ << ":" << (severity > LOG_INFO ? StripDots(file_) : StripPath(file_))
<< "(" << line_ << ")] ";
if (condition) {
stream_ << "Check failed: " << condition << ". ";
}
}
LogMessage::~LogMessage() {
stream_ << std::endl;
#if defined(OS_ANDROID)
android_LogPriority priority =
(severity_ < 0) ? ANDROID_LOG_VERBOSE : ANDROID_LOG_UNKNOWN;
switch (severity_) {
case LOG_INFO:
priority = ANDROID_LOG_INFO;
break;
case LOG_WARNING:
priority = ANDROID_LOG_WARN;
break;
case LOG_ERROR:
priority = ANDROID_LOG_ERROR;
break;
case LOG_FATAL:
priority = ANDROID_LOG_FATAL;
break;
}
__android_log_write(priority, "flutter", stream_.str().c_str());
#elif defined(OS_IOS)
syslog(LOG_ALERT, "%s", stream_.str().c_str());
#else
std::cerr << stream_.str();
std::cerr.flush();
#endif
if (severity_ >= LOG_FATAL) {
abort();
}
}
int GetVlogVerbosity() {
return std::max(-1, LOG_INFO - GetMinLogLevel());
}
bool ShouldCreateLogMessage(LogSeverity severity) {
return severity >= GetMinLogLevel();
}
} // namespace fml