wip: 0.2.3

1. websocket hook
  2. rtc init ok

frontend/src/api/auth.ts

@@ -1,5 +1,5 @@
 import {useState} from "react";
-import {message} from "../component/message/u-message.tsx";
+import {message} from "../hook/message/u-message.tsx";
 
 export interface User {
     id: number;

frontend/src/hook/websocket/u-ws.tsx

@@ -0,0 +1,77 @@
+import { useCallback, useRef } from 'react';
+
+export interface Prop {
+    /** 事件处理函数（可选） */
+    fn?: (event: MessageEvent) => Promise<void>;
+    /** 最大重试次数（可选） */
+    retry?: number;
+}
+
+export const useWebsocket = (prop?: Prop) => {
+    const wsRef = useRef<WebSocket | null>(null);
+    const retryCountRef = useRef(0);
+    const reconnectTimerRef = useRef<number>(0);
+    const currentPropRef = useRef(prop);
+
+    // 更新最新 prop
+    currentPropRef.current = prop;
+
+    const connect = useCallback((url: string, connectProp?: Prop) => {
+        // 合并 prop 优先级：connectProp > hook prop
+        const mergedProp = { ...currentPropRef.current, ...connectProp };
+
+        // 清理现有连接
+        if (wsRef.current) {
+            wsRef.current.close();
+            wsRef.current = null;
+        }
+        clearTimeout(reconnectTimerRef.current);
+
+        const createConnection = () => {
+            const ws = new WebSocket(url);
+
+            ws.onopen = () => {
+                retryCountRef.current = 0;
+            };
+
+            ws.onmessage = (event) => {
+                mergedProp?.fn?.(event).catch(error => {
+                    console.error('WebSocket message handler error:', error);
+                });
+            };
+
+            ws.onclose = (event) => {
+                const maxRetries = mergedProp?.retry ?? 0;
+
+                if (!event.wasClean && retryCountRef.current < maxRetries) {
+                    retryCountRef.current += 1;
+                    const retryDelay = Math.pow(2, retryCountRef.current) * 1000;
+
+                    reconnectTimerRef.current = setTimeout(() => {
+                        createConnection();
+                    }, retryDelay);
+                }
+            };
+
+            ws.onerror = (error) => {
+                console.error('WebSocket error:', error);
+                ws.close();
+            };
+
+            wsRef.current = ws;
+        };
+
+        createConnection();
+    }, []);
+
+    const close = useCallback(() => {
+        wsRef.current?.close();
+        clearTimeout(reconnectTimerRef.current);
+        retryCountRef.current = currentPropRef.current?.retry || 0;
+    }, []);
+
+    return {
+        connect,
+        close
+    };
+};

frontend/src/page/component/panel-left.tsx

@@ -2,7 +2,7 @@ import {createUseStyles} from "react-jss";
 import {UButton} from "../../component/button/u-button.tsx";
 import React, {useState} from "react";
 import {useStore} from "../../store/share.ts";
-import {message} from "../../component/message/u-message.tsx";
+import {message} from "../../hook/message/u-message.tsx";
 import {useFileUpload} from "../../api/upload.ts";
 
 const useUploadStyle = createUseStyles({

frontend/src/page/local.tsx

@@ -1,8 +1,8 @@
 import {CloudBackground} from "../component/fluid/cloud.tsx";
-import {useEffect} from "react";
+import {useEffect, useState} from "react";
 import {createUseStyles} from "react-jss";
-import {useRTC} from "../store/rtc.ts";
+import {useWebsocket} from "../hook/websocket/u-ws.tsx";
-import {Client, useRoom} from "../store/local.ts";
+import {Resp} from "../interface/response.ts";
 
 const useClass = createUseStyles({
     '@global': {
@@ -68,10 +68,40 @@ interface Bubble {
     angle: number;  // 新增角度属性
 }
 
+interface Client {
+    client_type: 'desktop' | 'mobile' | 'tablet';
+    app_type: 'web';
+    room: string;
+    ip: number;
+    name: string;
+    id: string;
+    register_at: string;
+    offer: RTCSessionDescription;
+}
+
+interface Store {
+    client: Client | null
+    clients: Client[]
+    rtc: RTCPeerConnection | null
+    offer: RTCSessionDescription | null
+    candidate: RTCIceCandidate | null
+}
+
+function setupDataChannel(ch: RTCDataChannel) {
+    ch.onopen = () => console.log('通道已打开！');
+    ch.onmessage = (e) => handleFileChunk(e.data);
+    ch.onclose = () => console.log('通道关闭');
+}
+
+// 接收文件块
+function handleFileChunk(chunk: any) {
+    console.log("[D] rtc file chunk =", chunk)
+}
+
 export const LocalSharing: React.FC = () => {
     const classes = useClass();
-    const {register, enter, list, cleanup, client, clients} = useRoom();
+    const [rtcStore, setRTCStore] = useState<Store>({} as Store)
-    const {connect, create} = useRTC();
+    const {connect, close} = useWebsocket({})
 
     // 生成随机颜色
     const generateColor = () => {
@@ -97,7 +127,7 @@ export const LocalSharing: React.FC = () => {
             let attempt = 0;
             let validPosition = false;
 
-            if (cs[index].id == client?.id) {
+            if (cs[index].id == rtcStore.client?.id) {
                 continue
             }
 
@@ -146,29 +176,68 @@ export const LocalSharing: React.FC = () => {
     };
 
     useEffect(() => {
-        register().then(() => {
+        const fn = async () => {
-            enter().then(() => {
+            const rtc = new RTCPeerConnection({iceServers: [{urls: "stun:stun.qq.com:3478"}]})
-                list().then()
+            const dataChannel = rtc.createDataChannel('fileTransfer', {ordered: true});
+            setupDataChannel(dataChannel);
+            const waitCandidate = new Promise<RTCIceCandidate | null>(resolve => {
+                rtc.onicecandidate = (e) => {
+                    resolve(e.candidate)
+                }
             })
-        });
+            const waitNegotiationneeded = new Promise<void>(resolve => {
-        connect().then(() => {
+                rtc.onnegotiationneeded = async () => {
-            console.log("[D] rtc create!!!")
+                    const _offer = await rtc.createOffer()
+                    await rtc.setLocalDescription(_offer)
+                    resolve()
+                }
             })
-        return () => cleanup();
+
+            console.log('[D] rtc step 1')
+
+            await waitNegotiationneeded
+            const candidate: RTCIceCandidate | null = await waitCandidate;
+            if (!candidate) throw new Error("candidate is null")
+            console.log('[D] rtc step 2')
+
+            const res = await fetch("/api/ulocal/register", {
+                method: "POST",
+                headers: {"Content-Type": "application/json"},
+                body: JSON.stringify({candidate: candidate, offer: rtc.localDescription})
+            })
+            const jes = await res.json() as Resp<Client>;
+            setRTCStore(val => {
+                return {...val, client: jes.data, candidate: candidate, offer: rtc.localDescription}
+            })
+
+            const api = `${window.location.protocol === 'https' ? 'wss' : 'ws'}://${window.location.host}/api/ulocal/ws?id=${jes.data.id}`
+            console.log('[D] websocker url =', api)
+            connect(api, {})
+
+            const res2 = await fetch(`/api/ulocal/clients?room=${jes.data.room}`)
+            const jes2 = await res2.json() as Resp<Client[]>
+            setRTCStore(val => {
+                return {...val, clients: jes2.data}
+            })
+        }
+
+        fn()
+
+        return () => close();
     }, []);
 
     // 气泡点击处理
     const handleBubbleClick = async (id: string) => {
         console.log('[D] click bubble!!!', id)
-        await create()
+        // await link(id)
     };
 
     return <div className={classes.container}>
         <CloudBackground/>
-        <h1 className={classes.title}>{client?.name}</h1>
+        <h1 className={classes.title}>{rtcStore.client?.name}</h1>
-        {clients && generateBubbles(clients).map(bubble => {
+        {rtcStore.clients && generateBubbles(rtcStore.clients).map(bubble => {
             // const client = clients.find(c => c.id === bubble.id);
-            return client ? (
+            return rtcStore.client ? (
                 <div
                     key={bubble.id}
                     className={classes.bubble}

frontend/src/store/local.ts

@@ -1,140 +0,0 @@
-import {create} from 'zustand'
-import {Resp} from "../interface/response.ts";
-
-export interface Client {
-    client_type: 'desktop' | 'mobile' | 'tablet';
-    app_type: 'web';
-    room: string;
-    ip: number;
-    name: string;
-    id: string;
-    register_at: string;
-}
-
-type RoomState = {
-    conn: WebSocket | null
-    client: Client | null
-    clients: Client[]
-    retryCount: number
-    reconnectTimer: number | null
-}
-
-type RoomActions = {
-    register: () => Promise<void>
-    enter: () => Promise<void>
-    list: () => Promise<void>
-    cleanup: () => void
-}
-
-interface Message {
-    type: 'ping' | 'self' | 'enter' | 'leave';
-    time: number;
-    body: any;
-}
-
-const MAX_RETRY_DELAY = 30000 // 最大重试间隔30秒
-const NORMAL_CLOSE_CODE = 1000 // 正常关闭的状态码
-
-export const useRoom = create<RoomState & RoomActions>()((set, get) => ({
-    conn: null,
-    client: null,
-    clients: [],
-    retryCount: 0,
-    reconnectTimer: null,
-    register: async () => {
-        const api = `/api/ulocal/register`
-        const res = await fetch(api, {method: 'POST'})
-        const jes = await res.json() as Resp<Client>
-        return set(state => {
-            return {...state, client: jes.data}
-        })
-    },
-    enter: async () => {
-        const {conn, reconnectTimer} = get()
-
-        // 清理旧连接和定时器
-        if (reconnectTimer) clearTimeout(reconnectTimer)
-        if (conn) conn.close()
-
-        const api = `${window.location.protocol === 'https' ? 'wss' : 'ws'}://${window.location.host}/api/ulocal/ws?id=${get().client?.id}`
-        console.log('[D] websocket api =',api)
-        const newConn = new WebSocket(api)
-
-        newConn.onopen = () => {
-            set({conn: newConn, retryCount: 0}) // 重置重试计数器
-        }
-
-        newConn.onerror = (error) => {
-            console.error('WebSocket error:', error)
-        }
-
-        newConn.onmessage = (event) => {
-            const msg = JSON.parse(event.data) as Message;
-            console.log('[D] ws msg =', msg)
-            let nc: Client
-            switch (msg.type) {
-                case "enter":
-                    nc = msg.body as Client
-                    if(nc.id && nc.name && nc.id !== get().client?.id) {
-                        console.log('[D] enter new client =', nc)
-                        set(state => {
-                            return {...state, clients: [...get().clients, nc]}
-                        })
-                    }
-                    break
-                case "leave":
-                    nc = msg.body as Client
-                    if(nc.id) {
-                        let idx = 0;
-                        let items = get().clients;
-                        for (const item of items) {
-                            if (item.id === nc.id) {
-                                items.splice(idx, 1)
-                                set(state => {
-                                    return {...state, clients: items}
-                                })
-                               break;
-                            }
-                            idx++;
-                        }
-                    }
-                    break
-            }
-        }
-
-        newConn.onclose = (event) => {
-            // 非正常关闭时触发重连
-            if (event.code !== NORMAL_CLOSE_CODE) {
-                const {retryCount} = get()
-                const nextRetry = retryCount + 1
-                const delay = Math.min(1000 * Math.pow(2, nextRetry), MAX_RETRY_DELAY)
-
-                const timer = setTimeout(() => {
-                    get().register()
-                }, delay)
-
-                set({
-                    retryCount: nextRetry,
-                    reconnectTimer: timer,
-                    conn: null
-                })
-            }
-        }
-
-        set({conn: newConn, reconnectTimer: null})
-    },
-    list: async () => {
-        const api = "/api/ulocal/clients?room="
-        const res = await fetch(api + get().client?.room)
-        const jes = await res.json() as Resp<Client[]>
-        set(state => {
-            return {...state, clients: jes.data}
-        })
-    },
-    cleanup: () => {
-        const {conn, reconnectTimer} = get()
-        if (reconnectTimer) clearTimeout(reconnectTimer)
-        if (conn) conn.close()
-        set({conn: null, retryCount: 0, reconnectTimer: null})
-    }
-}))

frontend/src/store/rtc.ts

@@ -1,50 +0,0 @@
-import {create} from 'zustand'
-
-type RTCState = {
-    conn: RTCPeerConnection | null
-}
-
-type RTCAction = {
-    connect: () => Promise<void>
-    create: () => Promise<void>
-    cleanup: () => void
-}
-
-export const useRTC = create<RTCState & RTCAction>()((set, get) => ({
-    conn: null,
-    connect: async () => {
-        const conn = new RTCPeerConnection()
-
-        const ch = conn.createDataChannel("fileTransfer", {ordered: true})
-
-        console.log('[D] channel =', ch)
-
-        ch.onopen = (event) => {
-            console.log('🚀🚀🚀 / rtc open event', event)
-        }
-
-        ch.onclose = (event) => {
-        }
-
-        ch.onerror = (event) => {
-        }
-
-        ch.onmessage = (event) => {
-            console.log('🚀🚀🚀 / rtc message event', event)
-        }
-
-        set((state) => {
-            return {...state, conn: conn}
-        })
-    },
-    create: async () => {
-        const conn = get().conn
-        if (conn) conn.onicecandidate = async (event) => {
-            console.log('[D] rtc local desc =', conn.localDescription)
-            const offer = await conn.createOffer()
-            await conn.setLocalDescription(offer)
-        }
-    },
-    cleanup: () => {
-    },
-}))

internal/api/api.go

@@ -26,6 +26,7 @@ func Start(ctx context.Context) <-chan struct{} {
 	{
 		api := app.Group("/api/ulocal")
 		api.Post("/register", handler.LocalRegister())
+		api.Post("/offer", handler.LocalOffer())
 		api.Get("/clients", handler.LocalClients())
 		api.Get("/ws", handler.LocalWS())
 	}

internal/controller/meta.go

@@ -135,14 +135,25 @@ func (m *meta) Start(ctx context.Context) {
 
 	// 清理一天前的文件
 	go func() {
+		if opt.Cfg.CleanInterval <= 0 {
+			log.Warn("meta.Clean: no clean interval set, plz clean manual!!!")
+			return
+		}
+
 		ticker := time.NewTicker(5 * time.Minute)
+		duration := time.Duration(opt.Cfg.CleanInterval) * time.Hour
 
 		for {
 			select {
 			case <-ctx.Done():
 				return
 			case now := <-ticker.C:
+				//log.Debug("meta.Clean: 开始清理过期文件 = %v", duration)
 				_ = filepath.Walk(opt.Cfg.DataPath, func(path string, info os.FileInfo, err error) error {
+					if info == nil {
+						return nil
+					}
+
 					if info.IsDir() {
 						return nil
 					}
@@ -168,12 +179,16 @@ func (m *meta) Start(ctx context.Context) {
 
 					code := strings.TrimPrefix(name, ".meta.")
 
-					if now.Sub(time.UnixMilli(mi.CreatedAt)) > 24*time.Hour {
+					if now.Sub(time.UnixMilli(mi.CreatedAt)) > duration {
 
 						log.Debug("controller.meta: file out of date, code = %s, user_key = %s", code, mi.Uploader)
 
-						os.RemoveAll(opt.FilePath(code))
+						if err = os.RemoveAll(opt.FilePath(code)); err != nil {
-						os.RemoveAll(path)
+							log.Warn("meta.Clean: remove file failed, file = %s, err = %s", opt.FilePath(code), err.Error())
+						}
+						if err = os.RemoveAll(path); err != nil {
+							log.Warn("meta.Clean: remove file failed, file = %s, err = %s", path, err.Error())
+						}
 
 						m.Lock()
 						delete(m.m, code)

internal/controller/room.go

@@ -32,13 +32,24 @@ const (
 type RoomMessageType string
 
 const (
-	RoomMessageTypePing  RoomMessageType = "ping"
-	RoomMessageTypeSelf  RoomMessageType = "self"
 	RoomMessageTypeEnter RoomMessageType = "enter"
 	RoomMessageTypeLeave RoomMessageType = "leave"
 )
 
+type RoomOffer struct {
+	SDP  string `json:"sdp"`
+	Type string `json:"type"`
+}
+
+type RoomCandidate struct {
+	Candidate        string `json:"candidate"`
+	SdpMid           string `json:"sdpMid"`
+	SdpMLineIndex    int    `json:"sdpMLineIndex"`
+	UsernameFragment string `json:"usernameFragment"`
+}
+
 type roomClient struct {
+	sync.Mutex
 	controller *roomController
 	conn       *websocket.Conn
 	ClientType RoomClientType `json:"client_type"`
@@ -48,6 +59,8 @@ type roomClient struct {
 	Name       string         `json:"name"`
 	Id         string         `json:"id"`
 	RegisterAt time.Time      `json:"register_at"`
+	Offer      *RoomOffer     `json:"offer"`
+	Candidate  *RoomCandidate `json:"candidate"`
 	msgChan    chan any
 }
 
@@ -90,10 +103,26 @@ func (rc *roomClient) start(ctx context.Context) {
 				rc.controller.Unregister(rc)
 				return
 			case websocket.TextMessage:
-				log.Info("RoomClient: received text message, IP = %s, Id = %s, Name = %s, text = %s", rc.IP, rc.Id, rc.Name, string(bs))
+				log.Debug("RoomClient: received text message, IP = %s, Id = %s, Name = %s, text = %s", rc.IP, rc.Id, rc.Name, string(bs))
 			case websocket.BinaryMessage:
+				log.Debug("RoomClient: received bytes message, IP = %s, Id = %s, Name = %s, text = %s", rc.IP, rc.Id, rc.Name, string(bs))
 				// todo
-				log.Info("RoomClient: received bytes message, IP = %s, Id = %s, Name = %s, text = %s", rc.IP, rc.Id, rc.Name, string(bs))
+				//msg := new(model.Message)
+				//if err = json.Unmarshal(bs, msg); err != nil {
+				//	log.Error("RoomClient: unmarshal message failed, id = %s, name = %s, err = %s", rc.Id, rc.Name, err.Error())
+				//	continue
+				//}
+				//
+				//switch msg.Type {
+				//case model.WSMessageTypeOffer:
+				//	rc.Lock()
+				//	rc.Offer = msg.Body
+				//	rc.Unlock()
+				//case model.WSMessageTypeCandidate:
+				//	rc.Lock()
+				//	rc.Candidate = msg.Body
+				//	rc.Unlock()
+				//}
 			}
 		}
 	}()
@@ -134,7 +163,7 @@ func (rc *roomController) Start(ctx context.Context) {
 	}()
 }
 
-func (rc *roomController) Register(ip, userAgent string) *roomClient {
+func (rc *roomController) Register(ip, userAgent string, candidate *RoomCandidate, offer *RoomOffer) *roomClient {
 	nrc := &roomClient{
 		controller: rc,
 		ClientType: ClientTypeDesktop,
@@ -144,6 +173,8 @@ func (rc *roomController) Register(ip, userAgent string) *roomClient {
 		Name:       tool.RandomName(),
 		msgChan:    make(chan any, 1),
 		RegisterAt: time.Now(),
+		Candidate:  candidate,
+		Offer:      offer,
 	}
 
 	ua := useragent.Parse(userAgent)
@@ -240,3 +271,18 @@ func (rc *roomController) Unregister(client *roomClient) {
 
 	rc.Broadcast(key, map[string]any{"type": RoomMessageTypeLeave, "time": time.Now().UnixMilli(), "body": client})
 }
+
+func (rc *roomController) Offer(room, id string, offer *RoomOffer) {
+	if _, ok := rc.rooms[room]; !ok {
+		return
+	}
+
+	if _, ok := rc.rooms[room][id]; !ok {
+		return
+	}
+
+	rc.rooms[room][id].msgChan <- map[string]any{
+		"type":  "offer",
+		"offer": offer,
+	}
+}

internal/handler/local.go

@@ -11,10 +11,23 @@ import (
 
 func LocalRegister() nf.HandlerFunc {
 	return func(c *nf.Ctx) error {
-		ip := c.IP(true)
+		type Req struct {
-		ua := c.Get("User-Agent")
+			Candidate *controller.RoomCandidate `json:"candidate"`
+			Offer     *controller.RoomOffer     `json:"offer"`
+		}
 
-		client := controller.RoomController.Register(ip, ua)
+		var (
+			err error
+			req = new(Req)
+			ip  = c.IP(true)
+			ua  = c.Get("User-Agent")
+		)
+
+		if err = c.BodyParser(req); err != nil {
+			return c.Status(http.StatusBadRequest).JSON(map[string]interface{}{"msg": err.Error()})
+		}
+
+		client := controller.RoomController.Register(ip, ua, req.Candidate, req.Offer)
 
 		return resp.Resp200(c, client)
 	}
@@ -61,3 +74,26 @@ func LocalWS() nf.HandlerFunc {
 		return nil
 	}
 }
+
+func LocalOffer() nf.HandlerFunc {
+	return func(c *nf.Ctx) error {
+		type Req struct {
+			Room  string                `json:"room"`
+			Id    string                `json:"id"`
+			Offer *controller.RoomOffer `json:"offer"`
+		}
+
+		var (
+			err error
+			req = new(Req)
+		)
+
+		if err = c.BodyParser(req); err != nil {
+			return c.Status(http.StatusBadRequest).JSON(map[string]string{"err": err.Error()})
+		}
+
+		controller.RoomController.Offer(req.Room, req.Id, req.Offer)
+
+		return resp.Resp200(c, req.Offer)
+	}
+}

internal/model/ws.go

@@ -0,0 +1,14 @@
+package model
+
+type WSMessageType string
+
+const (
+	WSMessageTypeOffer     WSMessageType = "offer"
+	WSMessageTypeCandidate WSMessageType = "candidate"
+)
+
+type Message struct {
+	Type WSMessageType `json:"type"`
+	Time int64         `json:"time"`
+	Body any           `json:"body"`
+}

internal/opt/opt.go

@@ -11,6 +11,7 @@ type config struct {
 	Address       string
 	DataPath      string
 	Auth          string
+	CleanInterval int
 }
 
 var (

main.go

@@ -7,6 +7,7 @@ import (
 	"github.com/loveuer/ushare/internal/api"
 	"github.com/loveuer/ushare/internal/controller"
 	"github.com/loveuer/ushare/internal/opt"
+	"github.com/loveuer/ushare/internal/pkg/tool"
 	"os/signal"
 	"syscall"
 )
@@ -16,11 +17,12 @@ func init() {
 	flag.StringVar(&opt.Cfg.Address, "address", "0.0.0.0:9119", "")
 	flag.StringVar(&opt.Cfg.DataPath, "data", "/data", "")
 	flag.StringVar(&opt.Cfg.Auth, "auth", "", "auth required(admin, password)")
+	flag.IntVar(&opt.Cfg.CleanInterval, "clean", 24, "清理文件的周期, 单位: 小时, 0 则表示不自动清理")
 	flag.Parse()
 
 	if opt.Cfg.Debug {
 		log.SetLogLevel(log.LogLevelDebug)
-		log.Debug("start server with debug mode")
+		tool.TablePrinter(opt.Cfg)
 	}
 }