feat: integration usockets backend
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meiseayoung
@@ -0,0 +1,323 @@
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// uSockets Server Backend for V-Hono
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//
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// 这个文件提供 V-Hono 的 uSockets 高性能服务器后端
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//
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// 安装步骤:
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// 1. 将 usockets 目录复制到 V-Hono 项目目录
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// 2. 将此文件复制到 V-Hono 项目根目录
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// 3. 修改 usockets/usockets.v 中的路径为绝对路径
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//
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// 使用方法:
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// app.listen_usockets(3000) // 使用 uSockets 后端
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// app.listen(":3000") // 使用默认 picoev 后端
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//
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// 编译命令 (必须使用 -enable-globals):
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// v -enable-globals -cc gcc -ldflags "-ldbghelp" your_app.v -o app.exe
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//
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// 性能对比 (200连接, 100K请求):
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// uSockets: ~22,000 RPS (高并发优化)
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// picoev: ~15,000 RPS
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//
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// 注意: uSockets 在高并发场景下优势明显 (~50% 提升)
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// 低并发时两者性能相近
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module hono
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import usockets
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import net.http
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import strings
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// uSockets 服务器配置
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pub struct UsocketsConfig {
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pub:
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port int = 8080
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host string = '0.0.0.0'
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keepalive_timeout int = 30
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max_keepalive_req int = 10000
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}
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// 全局变量存储应用引用 (需要 -enable-globals 编译选项)
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__global g_usockets_app = &Hono(unsafe { nil })
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__global g_usockets_config = UsocketsConfig{}
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// 使用 uSockets 启动服务器
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pub fn (mut app Hono) listen_usockets(port int) {
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app.listen_usockets_with_config(UsocketsConfig{
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port: port
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})
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}
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// 使用 uSockets 启动服务器（带配置）
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pub fn (mut app Hono) listen_usockets_with_config(config UsocketsConfig) {
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// 存储到全局变量
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g_usockets_app = unsafe { &app }
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g_usockets_config = config
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// 创建 uSockets 事件循环
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loop := usockets.create_loop()
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ctx := usockets.create_socket_context(loop)
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// 设置回调
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ctx.on_open(usockets_on_open)
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ctx.on_data(usockets_on_data)
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ctx.on_close(usockets_on_close)
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ctx.on_writable(usockets_on_writable)
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ctx.on_timeout(usockets_on_timeout)
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ctx.on_end(usockets_on_end)
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// 开始监听
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listener := ctx.listen(config.port)
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if listener.is_valid() {
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host_str := if config.host == '' { '127.0.0.1' } else { config.host }
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println('[v-hono] Listening on http://${host_str}:${config.port}/ (uSockets)')
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loop.run()
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} else {
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eprintln('[v-hono] Failed to listen on port ${config.port}')
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}
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}
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// uSockets 回调函数
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fn usockets_on_open(s usockets.Socket, is_client int, ip &char, ip_length int) usockets.Socket {
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return s
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}
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fn usockets_on_data(s usockets.Socket, data &char, length int) usockets.Socket {
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if g_usockets_app == unsafe { nil } {
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s.write_bytes('HTTP/1.1 500 Internal Server Error\r\nContent-Length: 21\r\n\r\nInternal Server Error')
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return s
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}
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// 解析 HTTP 请求
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raw_data := unsafe { tos(&u8(data), length) }
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method, path, query_map, body := parse_http_request_usockets(raw_data)
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if method.len == 0 {
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s.write_bytes('HTTP/1.1 400 Bad Request\r\nContent-Length: 11\r\n\r\nBad Request')
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return s
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}
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// 路由匹配 - 优先使用快速路由器
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mut response_sent := false
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if g_usockets_app.use_fast_router {
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if route_match := g_usockets_app.fast_router.match_route(method, path) {
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mut hono_ctx := create_usockets_context(method, path, route_match.params, query_map, body)
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middlewares := get_middlewares_for_path_usockets(g_usockets_app, path)
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response := exec_middlewares_usockets(0, middlewares, mut hono_ctx, route_match.handler)
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send_usockets_response(s, hono_ctx, response)
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response_sent = true
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}
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}
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// 回退到混合路由器
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if !response_sent {
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if route_match := g_usockets_app.context_hybrid_router.match_route(method, path) {
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mut hono_ctx := create_usockets_context(method, path, route_match.params, query_map, body)
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middlewares := get_middlewares_for_path_usockets(g_usockets_app, path)
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response := exec_middlewares_usockets(0, middlewares, mut hono_ctx, route_match.handler)
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send_usockets_response(s, hono_ctx, response)
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response_sent = true
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}
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}
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// 404 Not Found
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if !response_sent {
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mut hono_ctx := create_usockets_context(method, path, map[string]string{}, query_map, body)
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if handler := g_usockets_app.not_found_handler {
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response := handler(mut hono_ctx)
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send_usockets_response(s, hono_ctx, response)
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} else {
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s.write_bytes('HTTP/1.1 404 Not Found\r\nContent-Type: text/plain\r\nContent-Length: 9\r\nConnection: keep-alive\r\n\r\nNot Found')
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}
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}
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return s
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}
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fn usockets_on_close(s usockets.Socket, code int, reason voidptr) usockets.Socket {
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return s
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}
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fn usockets_on_writable(s usockets.Socket) usockets.Socket {
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return s
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}
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fn usockets_on_timeout(s usockets.Socket) usockets.Socket {
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return s.close()
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}
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fn usockets_on_end(s usockets.Socket) usockets.Socket {
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s.shutdown()
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return s.close()
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}
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// 解析 HTTP 请求
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fn parse_http_request_usockets(raw string) (string, string, map[string]string, string) {
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mut method := ''
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mut path := ''
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mut query_map := map[string]string{}
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mut body := ''
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line_end := raw.index('\r\n') or { return method, path, query_map, body }
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request_line := raw[..line_end]
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parts := request_line.split(' ')
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if parts.len < 2 {
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return method, path, query_map, body
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}
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method = parts[0]
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full_path := parts[1]
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if query_idx := full_path.index('?') {
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path = full_path[..query_idx]
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query_str := full_path[query_idx + 1..]
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for part in query_str.split('&') {
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if eq_idx := part.index('=') {
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query_map[part[..eq_idx]] = part[eq_idx + 1..]
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}
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}
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} else {
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path = full_path
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}
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if body_start := raw.index('\r\n\r\n') {
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body = raw[body_start + 4..]
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}
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return method, path, query_map, body
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}
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// 创建 uSockets 上下文
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fn create_usockets_context(method string, path string, params map[string]string, query map[string]string, body string) Context {
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return Context{
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req: http.Request{
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method: match method {
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'GET' { http.Method.get }
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'POST' { http.Method.post }
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'PUT' { http.Method.put }
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'DELETE' { http.Method.delete }
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'PATCH' { http.Method.patch }
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'HEAD' { http.Method.head }
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'OPTIONS' { http.Method.options }
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else { http.Method.get }
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}
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url: path
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data: body
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}
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params: params
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query: query
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body: body
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url: path
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path: path
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status_code: 200
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headers: map[string]string{}
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}
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}
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// 获取路径对应的所有中间件
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fn get_middlewares_for_path_usockets(app &Hono, path string) []ContextMiddleware {
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mut middlewares := app.context_middlewares.clone()
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mut prefixes := app.route_middlewares.keys()
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prefixes.sort(a.len < b.len)
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for prefix in prefixes {
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if path.starts_with(prefix) || prefix == '/' {
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if mws := app.route_middlewares[prefix] {
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middlewares << mws
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}
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}
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}
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return middlewares
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}
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// 执行中间件链
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fn exec_middlewares_usockets(idx int, middlewares []ContextMiddleware, mut ctx Context, handler IHandler) http.Response {
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if idx < middlewares.len {
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mw := middlewares[idx]
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return mw(mut ctx, fn [idx, middlewares, handler] (mut c Context) http.Response {
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return exec_middlewares_usockets(idx + 1, middlewares, mut c, handler)
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})
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}
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return handler.handle(mut ctx)
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}
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// 发送 uSockets 响应
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fn send_usockets_response(s usockets.Socket, ctx Context, response http.Response) {
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status_code := if ctx.status_code != 0 { ctx.status_code } else { response.status_code }
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mut resp := strings.new_builder(512)
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// 状态行
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resp.write_string('HTTP/1.1 ')
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resp.write_string(status_code.str())
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resp.write_string(' ')
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resp.write_string(get_status_text_usockets(status_code))
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resp.write_string('\r\n')
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// 头部
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mut has_content_type := false
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for key, value in ctx.headers {
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if key.to_lower() == 'content-length' {
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continue
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}
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resp.write_string(key)
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resp.write_string(': ')
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resp.write_string(value)
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resp.write_string('\r\n')
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if key.to_lower() == 'content-type' {
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has_content_type = true
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}
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}
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if content_type := response.header.get(.content_type) {
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if !has_content_type {
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resp.write_string('Content-Type: ')
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resp.write_string(content_type)
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resp.write_string('\r\n')
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has_content_type = true
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}
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}
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if !has_content_type {
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resp.write_string('Content-Type: text/plain; charset=utf-8\r\n')
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}
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// Content-Length
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resp.write_string('Content-Length: ')
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resp.write_string(response.body.len.str())
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resp.write_string('\r\n')
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// Connection
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resp.write_string('Connection: keep-alive\r\n')
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// 空行 + body
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resp.write_string('\r\n')
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resp.write_string(response.body)
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s.write_bytes(resp.str())
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}
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// 获取状态码文本
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fn get_status_text_usockets(code int) string {
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return match code {
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200 { 'OK' }
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201 { 'Created' }
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204 { 'No Content' }
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301 { 'Moved Permanently' }
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302 { 'Found' }
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304 { 'Not Modified' }
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400 { 'Bad Request' }
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401 { 'Unauthorized' }
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403 { 'Forbidden' }
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404 { 'Not Found' }
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405 { 'Method Not Allowed' }
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500 { 'Internal Server Error' }
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502 { 'Bad Gateway' }
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503 { 'Service Unavailable' }
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else { 'Unknown' }
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}
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}
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