提交qiming-mcp-proxy

qiming-mcp-proxy/document-parser/src/production/production_logging.rs

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+//! 生产环境日志模块
+//!
+//! 提供生产环境专用的日志功能，包括结构化日志、日志聚合、性能监控等。
+#![allow(dead_code)]
+
+use anyhow::{Context, Result};
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use std::sync::Arc;
+use std::time::{Duration, SystemTime};
+use tokio::sync::RwLock;
+use tracing::error;
+
+/// 生产日志管理器
+#[derive(Clone)]
+pub struct ProductionLogger {
+    /// 日志配置
+    config: LoggingConfig,
+    /// 日志收集器
+    collectors: Vec<Arc<dyn LogCollector + Send + Sync>>,
+    /// 日志过滤器
+    filters: Vec<Arc<dyn LogFilter + Send + Sync>>,
+    /// 日志统计
+    stats: Arc<RwLock<LoggingStats>>,
+    /// 日志缓冲区
+    buffer: Arc<RwLock<LogBuffer>>,
+}
+
+impl std::fmt::Debug for ProductionLogger {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("ProductionLogger")
+            .field("config", &self.config)
+            .field("collectors_count", &self.collectors.len())
+            .field("filters_count", &self.filters.len())
+            .finish()
+    }
+}
+
+/// 日志配置
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LoggingConfig {
+    /// 日志级别
+    pub level: LogLevel,
+    /// 输出格式
+    pub format: LogFormat,
+    /// 输出目标
+    pub targets: Vec<LogTarget>,
+    /// 缓冲配置
+    pub buffer_config: BufferConfig,
+    /// 轮转配置
+    pub rotation_config: RotationConfig,
+    /// 采样配置
+    pub sampling_config: SamplingConfig,
+}
+
+/// 日志级别
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum LogLevel {
+    Trace,
+    Debug,
+    Info,
+    Warn,
+    Error,
+}
+
+/// 日志格式
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum LogFormat {
+    /// JSON 格式
+    Json,
+    /// 纯文本格式
+    Text,
+    /// 结构化格式
+    Structured,
+    /// 自定义格式
+    Custom(String),
+}
+
+/// 日志输出目标
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum LogTarget {
+    /// 控制台输出
+    Console,
+    /// 文件输出
+    File { path: String },
+    /// 系统日志
+    Syslog,
+    /// 远程日志服务
+    Remote { endpoint: String, api_key: String },
+    /// Elasticsearch
+    Elasticsearch { url: String, index: String },
+    /// 自定义目标
+    Custom(String),
+}
+
+/// 缓冲配置
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct BufferConfig {
+    /// 缓冲区大小
+    pub size: usize,
+    /// 刷新间隔
+    pub flush_interval: Duration,
+    /// 批量大小
+    pub batch_size: usize,
+    /// 是否启用压缩
+    pub enable_compression: bool,
+}
+
+/// 轮转配置
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RotationConfig {
+    /// 最大文件大小 (MB)
+    pub max_file_size_mb: u64,
+    /// 最大文件数量
+    pub max_files: u32,
+    /// 轮转间隔
+    pub rotation_interval: Duration,
+    /// 压缩旧文件
+    pub compress_old_files: bool,
+}
+
+/// 采样配置
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct SamplingConfig {
+    /// 是否启用采样
+    pub enabled: bool,
+    /// 采样率 (0.0-1.0)
+    pub rate: f64,
+    /// 采样策略
+    pub strategy: SamplingStrategy,
+}
+
+/// 采样策略
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum SamplingStrategy {
+    /// 随机采样
+    Random,
+    /// 基于时间的采样
+    TimeBased,
+    /// 基于级别的采样
+    LevelBased,
+    /// 自适应采样
+    Adaptive,
+}
+
+/// 日志条目
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LogEntry {
+    /// 时间戳
+    pub timestamp: SystemTime,
+    /// 日志级别
+    pub level: LogLevel,
+    /// 消息
+    pub message: String,
+    /// 模块
+    pub module: String,
+    /// 文件名
+    pub file: Option<String>,
+    /// 行号
+    pub line: Option<u32>,
+    /// 字段
+    pub fields: HashMap<String, serde_json::Value>,
+    /// 跟踪 ID
+    pub trace_id: Option<String>,
+    /// 跨度 ID
+    pub span_id: Option<String>,
+}
+
+/// 日志收集器 trait
+pub trait LogCollector {
+    /// 收集日志
+    fn collect(&self, entry: &LogEntry) -> Result<()>;
+    /// 刷新缓冲区
+    fn flush(&self) -> Result<()>;
+    /// 获取收集器名称
+    fn name(&self) -> &str;
+}
+
+/// 日志过滤器 trait
+pub trait LogFilter {
+    /// 过滤日志
+    fn filter(&self, entry: &LogEntry) -> bool;
+    /// 获取过滤器名称
+    fn name(&self) -> &str;
+}
+
+/// 控制台日志收集器
+pub struct ConsoleCollector {
+    /// 收集器名称
+    name: String,
+    /// 格式化器
+    formatter: Box<dyn LogFormatter + Send + Sync>,
+}
+
+impl std::fmt::Debug for ConsoleCollector {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("ConsoleCollector")
+            .field("name", &self.name)
+            .finish()
+    }
+}
+
+/// 文件日志收集器
+pub struct FileCollector {
+    /// 收集器名称
+    name: String,
+    /// 文件路径
+    file_path: String,
+    /// 轮转配置
+    rotation_config: RotationConfig,
+    /// 格式化器
+    formatter: Box<dyn LogFormatter + Send + Sync>,
+}
+
+impl std::fmt::Debug for FileCollector {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("FileCollector")
+            .field("name", &self.name)
+            .field("file_path", &self.file_path)
+            .field("rotation_config", &self.rotation_config)
+            .finish()
+    }
+}
+
+/// 远程日志收集器
+pub struct RemoteCollector {
+    /// 收集器名称
+    name: String,
+    /// 远程端点
+    endpoint: String,
+    /// API 密钥
+    api_key: String,
+    /// HTTP 客户端
+    client: reqwest::Client,
+}
+
+impl std::fmt::Debug for RemoteCollector {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("RemoteCollector")
+            .field("name", &self.name)
+            .field("endpoint", &self.endpoint)
+            .field("api_key", &"<hidden>")
+            .finish()
+    }
+}
+
+/// 日志格式化器 trait
+pub trait LogFormatter {
+    /// 格式化日志条目
+    fn format(&self, entry: &LogEntry) -> Result<String>;
+}
+
+/// JSON 格式化器
+#[derive(Debug)]
+pub struct JsonFormatter;
+
+/// 文本格式化器
+#[derive(Debug)]
+pub struct TextFormatter {
+    /// 时间格式
+    time_format: String,
+    /// 是否包含颜色
+    colored: bool,
+}
+
+/// 级别过滤器
+#[derive(Debug)]
+pub struct LevelFilter {
+    /// 最小级别
+    min_level: LogLevel,
+}
+
+/// 模块过滤器
+#[derive(Debug)]
+pub struct ModuleFilter {
+    /// 允许的模块
+    allowed_modules: Vec<String>,
+    /// 禁止的模块
+    denied_modules: Vec<String>,
+}
+
+/// 速率限制过滤器
+#[derive(Debug)]
+pub struct RateLimitFilter {
+    /// 速率限制器
+    limiter: Arc<RwLock<HashMap<String, RateLimiter>>>,
+    /// 每秒最大日志数
+    max_logs_per_second: u32,
+}
+
+/// 简单速率限制器
+#[derive(Debug)]
+struct RateLimiter {
+    /// 最后重置时间
+    last_reset: SystemTime,
+    /// 当前计数
+    count: u32,
+    /// 限制
+    limit: u32,
+}
+
+/// 日志缓冲区
+#[derive(Debug)]
+pub struct LogBuffer {
+    /// 缓冲的日志条目
+    entries: Vec<LogEntry>,
+    /// 缓冲区大小限制
+    max_size: usize,
+    /// 最后刷新时间
+    last_flush: SystemTime,
+}
+
+/// 日志统计
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LoggingStats {
+    /// 总日志数
+    pub total_logs: u64,
+    /// 按级别统计
+    pub logs_by_level: HashMap<String, u64>,
+    /// 按模块统计
+    pub logs_by_module: HashMap<String, u64>,
+    /// 错误统计
+    pub error_count: u64,
+    /// 警告统计
+    pub warning_count: u64,
+    /// 平均处理时间
+    pub avg_processing_time: Duration,
+    /// 缓冲区使用率
+    pub buffer_usage: f64,
+    /// 丢弃的日志数
+    pub dropped_logs: u64,
+}
+
+impl ProductionLogger {
+    /// 创建新的生产日志管理器
+    pub fn new(config: LoggingConfig) -> Self {
+        Self {
+            config,
+            collectors: Vec::new(),
+            filters: Vec::new(),
+            stats: Arc::new(RwLock::new(LoggingStats::default())),
+            buffer: Arc::new(RwLock::new(LogBuffer::new(1000))),
+        }
+    }
+
+    /// 添加日志收集器
+    pub fn add_collector(&mut self, collector: Arc<dyn LogCollector + Send + Sync>) {
+        self.collectors.push(collector);
+    }
+
+    /// 添加日志过滤器
+    pub fn add_filter(&mut self, filter: Arc<dyn LogFilter + Send + Sync>) {
+        self.filters.push(filter);
+    }
+
+    /// 记录日志
+    pub async fn log(&self, entry: LogEntry) -> Result<()> {
+        // 应用过滤器
+        for filter in &self.filters {
+            if !filter.filter(&entry) {
+                return Ok(());
+            }
+        }
+
+        // 更新统计
+        self.update_stats(&entry).await;
+
+        // 添加到缓冲区
+        let mut buffer = self.buffer.write().await;
+        buffer.add_entry(entry.clone());
+
+        // 检查是否需要刷新
+        if buffer.should_flush(&self.config.buffer_config) {
+            drop(buffer);
+            self.flush_buffer().await?;
+        }
+
+        Ok(())
+    }
+
+    /// 刷新缓冲区
+    pub async fn flush_buffer(&self) -> Result<()> {
+        let mut buffer = self.buffer.write().await;
+        let entries = buffer.drain_entries();
+        drop(buffer);
+
+        // 发送到所有收集器
+        for entry in entries {
+            for collector in &self.collectors {
+                if let Err(e) = collector.collect(&entry) {
+                    error!(
+                        "Log collector {} processing failed: {}",
+                        collector.name(),
+                        e
+                    );
+                }
+            }
+        }
+
+        // 刷新所有收集器
+        for collector in &self.collectors {
+            if let Err(e) = collector.flush() {
+                error!(
+                    "Log collector {} failed to refresh: {}",
+                    collector.name(),
+                    e
+                );
+            }
+        }
+
+        Ok(())
+    }
+
+    /// 更新统计信息
+    async fn update_stats(&self, entry: &LogEntry) {
+        let mut stats = self.stats.write().await;
+        stats.total_logs += 1;
+
+        let level_key = format!("{:?}", entry.level);
+        *stats.logs_by_level.entry(level_key).or_insert(0) += 1;
+
+        *stats
+            .logs_by_module
+            .entry(entry.module.clone())
+            .or_insert(0) += 1;
+
+        match entry.level {
+            LogLevel::Error => stats.error_count += 1,
+            LogLevel::Warn => stats.warning_count += 1,
+            _ => {}
+        }
+    }
+
+    /// 获取统计信息
+    pub async fn get_stats(&self) -> LoggingStats {
+        self.stats.read().await.clone()
+    }
+
+    /// 启动后台任务
+    pub async fn start_background_tasks(&self) {
+        let buffer = Arc::clone(&self.buffer);
+        let config = self.config.clone();
+        let logger = self.clone();
+
+        tokio::spawn(async move {
+            let mut interval = tokio::time::interval(config.buffer_config.flush_interval);
+
+            loop {
+                interval.tick().await;
+
+                let should_flush = {
+                    let buffer = buffer.read().await;
+                    !buffer.entries.is_empty()
+                };
+
+                if should_flush {
+                    if let Err(e) = logger.flush_buffer().await {
+                        error!("Failed to refresh the log buffer regularly: {}", e);
+                    }
+                }
+            }
+        });
+    }
+}
+
+impl LogCollector for ConsoleCollector {
+    fn collect(&self, entry: &LogEntry) -> Result<()> {
+        let formatted = self.formatter.format(entry)?;
+        println!("{formatted}");
+        Ok(())
+    }
+
+    fn flush(&self) -> Result<()> {
+        // 控制台不需要刷新
+        Ok(())
+    }
+
+    fn name(&self) -> &str {
+        &self.name
+    }
+}
+
+impl LogCollector for FileCollector {
+    fn collect(&self, entry: &LogEntry) -> Result<()> {
+        let _formatted = self.formatter.format(entry)?;
+        // 这里应该实现文件写入逻辑
+        // 包括轮转检查
+        Ok(())
+    }
+
+    fn flush(&self) -> Result<()> {
+        // 刷新文件缓冲区
+        Ok(())
+    }
+
+    fn name(&self) -> &str {
+        &self.name
+    }
+}
+
+impl LogCollector for RemoteCollector {
+    fn collect(&self, _entry: &LogEntry) -> Result<()> {
+        // 这里应该实现异步发送到远程服务
+        // 可以使用队列缓冲
+        Ok(())
+    }
+
+    fn flush(&self) -> Result<()> {
+        // 刷新远程队列
+        Ok(())
+    }
+
+    fn name(&self) -> &str {
+        &self.name
+    }
+}
+
+impl LogFormatter for JsonFormatter {
+    fn format(&self, entry: &LogEntry) -> Result<String> {
+        serde_json::to_string(entry).context("序列化日志条目为 JSON 失败")
+    }
+}
+
+impl LogFormatter for TextFormatter {
+    fn format(&self, entry: &LogEntry) -> Result<String> {
+        let timestamp = entry
+            .timestamp
+            .duration_since(SystemTime::UNIX_EPOCH)
+            .unwrap_or_default();
+
+        Ok(format!(
+            "[{}] {:5} {}: {}",
+            timestamp.as_secs(),
+            format!("{:?}", entry.level),
+            entry.module,
+            entry.message
+        ))
+    }
+}
+
+impl LogFilter for LevelFilter {
+    fn filter(&self, entry: &LogEntry) -> bool {
+        self.level_to_number(&entry.level) >= self.level_to_number(&self.min_level)
+    }
+
+    fn name(&self) -> &str {
+        "level_filter"
+    }
+}
+
+impl LevelFilter {
+    fn level_to_number(&self, level: &LogLevel) -> u8 {
+        match level {
+            LogLevel::Trace => 0,
+            LogLevel::Debug => 1,
+            LogLevel::Info => 2,
+            LogLevel::Warn => 3,
+            LogLevel::Error => 4,
+        }
+    }
+}
+
+impl LogFilter for ModuleFilter {
+    fn filter(&self, entry: &LogEntry) -> bool {
+        if !self.denied_modules.is_empty()
+            && self
+                .denied_modules
+                .iter()
+                .any(|m| entry.module.starts_with(m))
+        {
+            return false;
+        }
+
+        if !self.allowed_modules.is_empty() {
+            return self
+                .allowed_modules
+                .iter()
+                .any(|m| entry.module.starts_with(m));
+        }
+
+        true
+    }
+
+    fn name(&self) -> &str {
+        "module_filter"
+    }
+}
+
+impl LogFilter for RateLimitFilter {
+    fn filter(&self, _entry: &LogEntry) -> bool {
+        // 这里应该实现速率限制逻辑
+        // 基于模块或其他标识符
+        true
+    }
+
+    fn name(&self) -> &str {
+        "rate_limit_filter"
+    }
+}
+
+impl LogBuffer {
+    /// 创建新的日志缓冲区
+    pub fn new(max_size: usize) -> Self {
+        Self {
+            entries: Vec::with_capacity(max_size),
+            max_size,
+            last_flush: SystemTime::now(),
+        }
+    }
+
+    /// 添加日志条目
+    pub fn add_entry(&mut self, entry: LogEntry) {
+        if self.entries.len() >= self.max_size {
+            // 移除最旧的条目
+            self.entries.remove(0);
+        }
+        self.entries.push(entry);
+    }
+
+    /// 检查是否应该刷新
+    pub fn should_flush(&self, config: &BufferConfig) -> bool {
+        self.entries.len() >= config.batch_size
+            || self.last_flush.elapsed().unwrap_or_default() >= config.flush_interval
+    }
+
+    /// 排空缓冲区
+    pub fn drain_entries(&mut self) -> Vec<LogEntry> {
+        self.last_flush = SystemTime::now();
+        std::mem::take(&mut self.entries)
+    }
+}
+
+impl Default for LoggingConfig {
+    fn default() -> Self {
+        Self {
+            level: LogLevel::Info,
+            format: LogFormat::Json,
+            targets: vec![LogTarget::Console],
+            buffer_config: BufferConfig {
+                size: 1000,
+                flush_interval: Duration::from_secs(5),
+                batch_size: 100,
+                enable_compression: false,
+            },
+            rotation_config: RotationConfig {
+                max_file_size_mb: 100,
+                max_files: 10,
+                rotation_interval: Duration::from_secs(3600),
+                compress_old_files: true,
+            },
+            sampling_config: SamplingConfig {
+                enabled: false,
+                rate: 1.0,
+                strategy: SamplingStrategy::Random,
+            },
+        }
+    }
+}
+
+impl Default for LoggingStats {
+    fn default() -> Self {
+        Self {
+            total_logs: 0,
+            logs_by_level: HashMap::new(),
+            logs_by_module: HashMap::new(),
+            error_count: 0,
+            warning_count: 0,
+            avg_processing_time: Duration::from_millis(0),
+            buffer_usage: 0.0,
+            dropped_logs: 0,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[tokio::test]
+    async fn test_production_logger() {
+        let config = LoggingConfig::default();
+        let logger = ProductionLogger::new(config);
+
+        let entry = LogEntry {
+            timestamp: SystemTime::now(),
+            level: LogLevel::Info,
+            message: "测试日志".to_string(),
+            module: "test".to_string(),
+            file: None,
+            line: None,
+            fields: HashMap::new(),
+            trace_id: None,
+            span_id: None,
+        };
+
+        logger.log(entry).await.unwrap();
+
+        let stats = logger.get_stats().await;
+        assert_eq!(stats.total_logs, 1);
+    }
+
+    #[test]
+    fn test_level_filter() {
+        let filter = LevelFilter {
+            min_level: LogLevel::Warn,
+        };
+
+        let info_entry = LogEntry {
+            timestamp: SystemTime::now(),
+            level: LogLevel::Info,
+            message: "信息日志".to_string(),
+            module: "test".to_string(),
+            file: None,
+            line: None,
+            fields: HashMap::new(),
+            trace_id: None,
+            span_id: None,
+        };
+
+        let error_entry = LogEntry {
+            level: LogLevel::Error,
+            ..info_entry.clone()
+        };
+
+        assert!(!filter.filter(&info_entry));
+        assert!(filter.filter(&error_entry));
+    }
+
+    #[test]
+    fn test_json_formatter() {
+        let formatter = JsonFormatter;
+
+        let entry = LogEntry {
+            timestamp: SystemTime::now(),
+            level: LogLevel::Info,
+            message: "测试消息".to_string(),
+            module: "test".to_string(),
+            file: Some("test.rs".to_string()),
+            line: Some(42),
+            fields: HashMap::new(),
+            trace_id: Some("trace123".to_string()),
+            span_id: Some("span456".to_string()),
+        };
+
+        let formatted = formatter.format(&entry).unwrap();
+        assert!(formatted.contains("测试消息"));
+        assert!(formatted.contains("trace123"));
+    }
+}