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