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This commit is contained in:
Rogee
2025-09-28 10:05:07 +08:00
commit 7fcabe0225
481 changed files with 125127 additions and 0 deletions

522
internal/logging/entry.go Normal file
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package logging
import (
"encoding/json"
"fmt"
"runtime"
"time"
)
// LogLevel 定义日志级别
type LogLevel int
const (
DEBUG LogLevel = iota
INFO
WARN
ERROR
FATAL
)
// LogEntry 表示日志条目
// 该结构体包含结构化日志的所有字段
type LogEntry struct {
// 基本字段
Timestamp time.Time `json:"timestamp"`
Level LogLevel `json:"level"`
Message string `json:"message"`
LevelString string `json:"level_string"`
// 位置信息
File string `json:"file,omitempty"`
Line int `json:"line,omitempty"`
Function string `json:"function,omitempty"`
Stacktrace string `json:"stacktrace,omitempty"`
// 上下文信息
RequestID string `json:"request_id,omitempty"`
UserID string `json:"user_id,omitempty"`
SessionID string `json:"session_id,omitempty"`
IPAddress string `json:"ip_address,omitempty"`
UserAgent string `json:"user_agent,omitempty"`
// 分类信息
Category string `json:"category,omitempty"`
Subsystem string `json:"subsystem,omitempty"`
Component string `json:"component,omitempty"`
Operation string `json:"operation,omitempty"`
// 数据字段
Fields map[string]interface{} `json:"fields,omitempty"`
Metrics map[string]interface{} `json:"metrics,omitempty"`
Tags []string `json:"tags,omitempty"`
// 错误信息
Error error `json:"error,omitempty"`
ErrorType string `json:"error_type,omitempty"`
ErrorDetail string `json:"error_detail,omitempty"`
// 性能信息
Duration time.Duration `json:"duration,omitempty"`
MemoryUsage int64 `json:"memory_usage,omitempty"`
CPUUsage float64 `json:"cpu_usage,omitempty"`
// 请求信息
Method string `json:"method,omitempty"`
Path string `json:"path,omitempty"`
StatusCode int `json:"status_code,omitempty"`
ResponseSize int64 `json:"response_size,omitempty"`
// 自定义属性
Custom map[string]interface{} `json:"custom,omitempty"`
}
// NewLogEntry 创建新的日志条目
// 返回包含基本信息的LogEntry结构体
func NewLogEntry(level LogLevel, message string) *LogEntry {
return &LogEntry{
Timestamp: time.Now(),
Level: level,
Message: message,
LevelString: levelToString(level),
Fields: make(map[string]interface{}),
Metrics: make(map[string]interface{}),
Custom: make(map[string]interface{}),
}
}
// NewLogEntryWithLocation 创建包含位置信息的日志条目
// 返回包含调用位置信息的LogEntry结构体
func NewLogEntryWithLocation(level LogLevel, message string) *LogEntry {
entry := NewLogEntry(level, message)
entry.captureLocation()
return entry
}
// captureLocation 捕获调用位置信息
func (e *LogEntry) captureLocation() {
_, file, line, ok := runtime.Caller(2) // 跳过2层调用栈
if ok {
e.File = file
e.Line = line
e.Function = getFunctionName(file, line)
}
}
// getFunctionName 获取函数名称
func getFunctionName(file string, line int) string {
// 简化的函数名获取,实际可以使用更复杂的方法
return fmt.Sprintf("%s:%d", file, line)
}
// WithField 添加字段到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithField(key string, value interface{}) *LogEntry {
if e.Fields == nil {
e.Fields = make(map[string]interface{})
}
e.Fields[key] = value
return e
}
// WithFields 添加多个字段到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithFields(fields map[string]interface{}) *LogEntry {
if e.Fields == nil {
e.Fields = make(map[string]interface{})
}
for k, v := range fields {
e.Fields[k] = v
}
return e
}
// WithMetric 添加指标到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithMetric(key string, value interface{}) *LogEntry {
if e.Metrics == nil {
e.Metrics = make(map[string]interface{})
}
e.Metrics[key] = value
return e
}
// WithTag 添加标签到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithTag(tag string) *LogEntry {
if e.Tags == nil {
e.Tags = make([]string, 0)
}
e.Tags = append(e.Tags, tag)
return e
}
// WithTags 添加多个标签到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithTags(tags []string) *LogEntry {
if e.Tags == nil {
e.Tags = make([]string, 0)
}
e.Tags = append(e.Tags, tags...)
return e
}
// WithError 添加错误信息到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithError(err error) *LogEntry {
if err != nil {
e.Error = err
e.ErrorType = fmt.Sprintf("%T", err)
e.ErrorDetail = err.Error()
}
return e
}
// WithDuration 添加持续时间到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithDuration(duration time.Duration) *LogEntry {
e.Duration = duration
return e
}
// WithRequest 添加请求信息到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithRequest(method, path string, statusCode int) *LogEntry {
e.Method = method
e.Path = path
e.StatusCode = statusCode
return e
}
// WithContext 添加上下文信息到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithContext(requestID, userID, sessionID string) *LogEntry {
e.RequestID = requestID
e.UserID = userID
e.SessionID = sessionID
return e
}
// WithNetwork 添加网络信息到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithNetwork(ip, userAgent string) *LogEntry {
e.IPAddress = ip
e.UserAgent = userAgent
return e
}
// WithCategory 添加分类信息到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithCategory(category, subsystem, component string) *LogEntry {
e.Category = category
e.Subsystem = subsystem
e.Component = component
return e
}
// WithOperation 添加操作信息到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithOperation(operation string) *LogEntry {
e.Operation = operation
return e
}
// WithPerformance 添加性能信息到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithPerformance(memory int64, cpu float64) *LogEntry {
e.MemoryUsage = memory
e.CPUUsage = cpu
return e
}
// WithCustom 添加自定义属性到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithCustom(key string, value interface{}) *LogEntry {
if e.Custom == nil {
e.Custom = make(map[string]interface{})
}
e.Custom[key] = value
return e
}
// WithResponseSize 添加响应大小到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithResponseSize(size int64) *LogEntry {
e.ResponseSize = size
return e
}
// WithStacktrace 添加堆栈跟踪到日志条目
// 返回更新后的LogEntry实例
func (e *LogEntry) WithStacktrace(stacktrace string) *LogEntry {
e.Stacktrace = stacktrace
return e
}
// String 返回日志条目的字符串表示
// 实现Stringer接口
func (e *LogEntry) String() string {
if e.Level == DEBUG || e.Level == INFO {
return fmt.Sprintf("[%s] %s", e.LevelString, e.Message)
}
return fmt.Sprintf("[%s] %s - %s:%d", e.LevelString, e.Message, e.File, e.Line)
}
// ToJSON 将日志条目转换为JSON格式
// 返回JSON格式的日志字符串
func (e *LogEntry) ToJSON() (string, error) {
data, err := json.Marshal(e)
if err != nil {
return "", fmt.Errorf("failed to marshal log entry: %v", err)
}
return string(data), nil
}
// ToJSONBytes 将日志条目转换为JSON字节数组
// 返回JSON格式的日志字节数组
func (e *LogEntry) ToJSONBytes() ([]byte, error) {
return json.Marshal(e)
}
// FromJSON 从JSON字符串解析日志条目
// 解析JSON字符串到LogEntry
func (e *LogEntry) FromJSON(jsonStr string) error {
return json.Unmarshal([]byte(jsonStr), e)
}
// ToText 将日志条目转换为文本格式
// 返回文本格式的日志字符串
func (e *LogEntry) ToText() string {
var fields []string
for k, v := range e.Fields {
fields = append(fields, fmt.Sprintf("%s=%v", k, v))
}
var metrics []string
for k, v := range e.Metrics {
metrics = append(metrics, fmt.Sprintf("%s=%v", k, v))
}
var tags []string
for _, tag := range e.Tags {
tags = append(tags, tag)
}
result := fmt.Sprintf("[%s] %s", e.LevelString, e.Message)
if len(fields) > 0 {
result += fmt.Sprintf(" fields=[%s]", joinStrings(fields, ", "))
}
if len(metrics) > 0 {
result += fmt.Sprintf(" metrics=[%s]", joinStrings(metrics, ", "))
}
if len(tags) > 0 {
result += fmt.Sprintf(" tags=[%s]", joinStrings(tags, ", "))
}
if e.Duration > 0 {
result += fmt.Sprintf(" duration=%v", e.Duration)
}
if e.Error != nil {
result += fmt.Sprintf(" error=%v", e.Error)
}
if e.File != "" {
result += fmt.Sprintf(" location=%s:%d", e.File, e.Line)
}
return result
}
// Validate 验证日志条目的有效性
// 返回error如果日志条目无效nil表示有效
func (e *LogEntry) Validate() error {
if e.Timestamp.IsZero() {
return fmt.Errorf("timestamp cannot be zero")
}
if e.Message == "" {
return fmt.Errorf("message cannot be empty")
}
if e.Level < DEBUG || e.Level > FATAL {
return fmt.Errorf("invalid log level: %d", e.Level)
}
if e.LevelString != levelToString(e.Level) {
return fmt.Errorf("level string mismatch: expected %s, got %s",
levelToString(e.Level), e.LevelString)
}
return nil
}
// Clone 创建日志条目的副本
// 返回新的LogEntry实例
func (e *LogEntry) Clone() *LogEntry {
clone := &LogEntry{
Timestamp: e.Timestamp,
Level: e.Level,
Message: e.Message,
LevelString: e.LevelString,
File: e.File,
Line: e.Line,
Function: e.Function,
Stacktrace: e.Stacktrace,
RequestID: e.RequestID,
UserID: e.UserID,
SessionID: e.SessionID,
IPAddress: e.IPAddress,
UserAgent: e.UserAgent,
Category: e.Category,
Subsystem: e.Subsystem,
Component: e.Component,
Operation: e.Operation,
Error: e.Error,
ErrorType: e.ErrorType,
ErrorDetail: e.ErrorDetail,
Duration: e.Duration,
MemoryUsage: e.MemoryUsage,
CPUUsage: e.CPUUsage,
Method: e.Method,
Path: e.Path,
StatusCode: e.StatusCode,
ResponseSize: e.ResponseSize,
}
// 深拷贝切片
if e.Tags != nil {
clone.Tags = make([]string, len(e.Tags))
copy(clone.Tags, e.Tags)
}
// 深拷贝映射
if e.Fields != nil {
clone.Fields = make(map[string]interface{})
for k, v := range e.Fields {
clone.Fields[k] = v
}
}
if e.Metrics != nil {
clone.Metrics = make(map[string]interface{})
for k, v := range e.Metrics {
clone.Metrics[k] = v
}
}
if e.Custom != nil {
clone.Custom = make(map[string]interface{})
for k, v := range e.Custom {
clone.Custom[k] = v
}
}
return clone
}
// GetField 获取字段值
// 返回指定字段的值和是否存在
func (e *LogEntry) GetField(key string) (interface{}, bool) {
value, exists := e.Fields[key]
return value, exists
}
// GetMetric 获取指标值
// 返回指定指标的值和是否存在
func (e *LogEntry) GetMetric(key string) (interface{}, bool) {
value, exists := e.Metrics[key]
return value, exists
}
// GetCustom 获取自定义属性值
// 返回指定自定义属性的值和是否存在
func (e *LogEntry) GetCustom(key string) (interface{}, bool) {
value, exists := e.Custom[key]
return value, exists
}
// HasTag 检查是否包含指定标签
// 返回true如果包含指定标签
func (e *LogEntry) HasTag(tag string) bool {
for _, t := range e.Tags {
if t == tag {
return true
}
}
return false
}
// IsErrorLevel 检查是否为错误级别
// 返回true如果是ERROR或FATAL级别
func (e *LogEntry) IsErrorLevel() bool {
return e.Level >= ERROR
}
// IsDebugLevel 检查是否为调试级别
// 返回true如果是DEBUG级别
func (e *LogEntry) IsDebugLevel() bool {
return e.Level == DEBUG
}
// GetLevelString 获取级别字符串
// 返回日志级别的字符串表示
func (e *LogEntry) GetLevelString() string {
return e.LevelString
}
// GetTimestamp 获取时间戳
// 返回日志记录的时间戳
func (e *LogEntry) GetTimestamp() time.Time {
return e.Timestamp
}
// GetMessage 获取消息
// 返回日志消息
func (e *LogEntry) GetMessage() string {
return e.Message
}
// GetError 获取错误信息
// 返回错误信息
func (e *LogEntry) GetError() error {
return e.Error
}
// GetDuration 获取持续时间
// 返回操作持续时间
func (e *LogEntry) GetDuration() time.Duration {
return e.Duration
}
// 辅助函数
func levelToString(level LogLevel) string {
switch level {
case DEBUG:
return "DEBUG"
case INFO:
return "INFO"
case WARN:
return "WARN"
case ERROR:
return "ERROR"
case FATAL:
return "FATAL"
default:
return "UNKNOWN"
}
}
func joinStrings(strings []string, separator string) string {
result := ""
for i, s := range strings {
if i > 0 {
result += separator
}
result += s
}
return result
}