amberjs 1.16.1

// HTTP/2 服务器实现
// 支持 HTTP/2 协议的多路复用特性

use crate::network::{NetworkConfig, NetworkError};
use std::collections::BTreeMap;
use std::sync::{Arc, Mutex};
use std::collections::HashMap;
use std::net::TcpListener;

/// HTTP/2 路由处理器类型
pub type Http2Handler = fn(&str, &[u8]) -> Result<Vec<u8>, NetworkError>;
/// HTTP/2 路由
#[derive(Debug, Clone)]
pub struct Http2Route {
    pub path: String,
    pub handler: Http2Handler,
}
/// HTTP/2 服务器统计信息
#[derive(Debug, Clone)]
pub struct Http2ServerStats {
    /// 总请求数
    pub total_requests: u64,
    /// 活跃流数
    pub active_streams: usize,
    /// 总连接数
    pub total_connections: usize,
}
/// HTTP/2 服务器
pub struct Http2Server {
    config: NetworkConfig,
    enabled: bool,
    routes: HashMap<String, Http2Handler>,
    stats: std::sync::Arc<std::sync::Mutex<Http2ServerStats>>,
}
impl Http2Server {
    /// 创建新的 HTTP/2 服务器
    pub fn new(config: NetworkConfig) -> Result<Self, NetworkError> {
        Ok(Self {
            enabled: config.enable_http2,
            config,
            routes: HashMap::new(),
            stats: std::sync::Arc::new(Mutex::new(Http2ServerStats {
                total_requests: 0,
                active_streams: 0,
                total_connections: 0,
            })),
        })
    }
    /// 添加路由
    pub fn add_route(&mut self, path: &str, handler: Http2Handler) -> Result<(), NetworkError> {
        self.routes.insert(path.to_string(), handler);
        Ok(())
    }
    /// 检查服务器是否启用
    pub fn is_enabled(&self) -> bool {
        self.enabled
    }
    /// 启动服务器
    pub fn start(&mut self, addr: &str) -> Result<TcpListener, NetworkError> {
        if !self.enabled {
            return Err(NetworkError::Connection("HTTP/2 is not enabled".to_string()));
        }
        let listener: _ = TcpListener::bind(addr)
            .map_err(|e| NetworkError::Connection(e.to_string()))?;
        {
            let mut stats = self.stats.lock().unwrap();
            stats.total_connections += 1;
        }
        Ok(listener)
    }
    /// 处理 HTTP/2 请求 (模拟实现)
    pub fn handle_request(&self, path: &str, body: &[u8]) -> Result<Vec<u8>, NetworkError> {
        let mut stats = self.stats.lock().unwrap();
        stats.total_requests += 1;
        if let Some(handler) = self.routes.get(path) {
            handler(path, body)
        } else {
            // 默认 404 响应
            Ok(b"HTTP/2 404 Not Found".to_vec())
        }
    }
    /// 获取服务器统计信息
    pub fn get_stats(&self) -> Http2ServerStats {
        self.stats.lock().unwrap().clone()
    }
}
impl Default for Http2Server {
    fn default() -> Self {
        Http2Server::new(NetworkConfig::default()).unwrap()
    }
}