├── .gitignore ├── LICENSE ├── README.md ├── bilibili ├── client.go ├── handler.go ├── protocol.go └── utils.go ├── cmds └── danmi │ └── main.go ├── douyu ├── client.go ├── handler.go ├── protocol.go └── utils.go └── panda ├── client.go ├── handler.go ├── protocol.go └── utils.go /.gitignore: -------------------------------------------------------------------------------- 1 | test 2 | cmds/danmi/danmi 3 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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-------------------------------------------------------------------------------- 1 | ## danmaku 2 | 各直播平台弹幕协议和开放平台API 3 | 4 | ## 支持列表 5 | * **douyu.com** 6 | 7 | ```go 8 | package main 9 | 10 | import ( 11 | "fmt" 12 | "github.com/songtianyi/barrage/douyu" 13 | "github.com/songtianyi/rrframework/logs" 14 | ) 15 | 16 | func chatmsg(msg *douyu.Message) { 17 | level := msg.GetStringField("level") 18 | nn := msg.GetStringField("nn") 19 | txt := msg.GetStringField("txt") 20 | logs.Info(fmt.Sprintf("level(%s) - %s >>> %s", level, nn, txt)) 21 | } 22 | 23 | func main() { 24 | client, err := douyu.Connect("openbarrage.douyutv.com:8601", nil) 25 | if err != nil { 26 | logs.Error(err) 27 | return 28 | } 29 | 30 | client.HandlerRegister.Add("chatmsg", douyu.Handler(chatmsg), "chatmsg") 31 | if err := client.JoinRoom(288016); err != nil { 32 | logs.Error(fmt.Sprintf("Join room fail, %s", err.Error())) 33 | return 34 | } 35 | client.Serve() 36 | } 37 | ``` 38 | 39 | * **live.bilibili.com** 40 | 41 | ``` 42 | package main 43 | 44 | import ( 45 | "github.com/songtianyi/barrage/bilibili" 46 | "github.com/songtianyi/rrframework/logs" 47 | ) 48 | 49 | func danmu(msg *bilibili.Message) { 50 | logs.Debug(">>> ", string(msg.Bytes())) 51 | } 52 | 53 | func main() { 54 | // uri, userid, handlerRegister 55 | client, err := bilibili.Connect("https://live.bilibili.com/43783", -1, nil) 56 | if err != nil { 57 | logs.Error(err) 58 | return 59 | } 60 | client.HandlerRegister.Add(bilibili.DANMU_MSG, bilibili.Handler(danmu), "danmu") 61 | client.Serve() 62 | } 63 | ``` 64 | 65 | * **padatv.com** 66 | ``` 67 | package main 68 | 69 | import ( 70 | "github.com/songtianyi/barrage/panda" 71 | "github.com/songtianyi/rrframework/logs" 72 | ) 73 | 74 | func danmu(msg *panda.DecodedMessage) { 75 | logs.Debug("(%s) - %s >>> %s", msg.Type, msg.Nickname, msg.Content) 76 | } 77 | 78 | func main() { 79 | // uri, handlerRegister 80 | client, err := panda.Connect("https://www.panda.tv/66666", nil) 81 | if err != nil { 82 | logs.Error(err) 83 | return 84 | } 85 | client.HandlerRegister.Add(panda.DANMU_MSG, panda.Handler(danmu), "danmu") 86 | client.Serve() 87 | } 88 | ``` 89 | 90 | ## demo 91 | ![douyu-barrage-demo](http://ww1.sinaimg.cn/large/006HJ39wgy1fhjnykako6j30ik0g5adm.jpg) 92 | -------------------------------------------------------------------------------- /bilibili/client.go: -------------------------------------------------------------------------------- 1 | package bilibili 2 | 3 | import ( 4 | "encoding/binary" 5 | "fmt" 6 | "github.com/songtianyi/rrframework/logs" 7 | "io" 8 | "net" 9 | "strconv" 10 | "sync" 11 | "time" 12 | ) 13 | 14 | type Client struct { 15 | conn net.Conn 16 | HandlerRegister *HandlerRegister 17 | closed chan struct{} 18 | roomid int 19 | uid int 20 | 21 | rLock sync.Mutex 22 | wLock sync.Mutex 23 | } 24 | 25 | func Connect(uri string, uid int, handlerRegister *HandlerRegister) (*Client, error) { 26 | 27 | roomStr, err := GetRoomId(uri) 28 | if err != nil { 29 | return nil, err 30 | } 31 | server, state, err := GetBarrageServerAndLiveState(roomStr) 32 | if err != nil { 33 | return nil, err 34 | } 35 | server += ":" + SERVER_PORT 36 | conn, err := net.DialTimeout("tcp", server, 10*time.Second) 37 | if err != nil { 38 | return nil, err 39 | } 40 | 41 | logs.Info(fmt.Sprintf("%s connected, live status %s", server, state)) 42 | 43 | roomid, err := strconv.Atoi(roomStr) 44 | if err != nil { 45 | return nil, err 46 | } 47 | if uid < 0 { 48 | uid = RandUser() 49 | } 50 | 51 | client := &Client{ 52 | conn: conn, 53 | roomid: roomid, 54 | uid: uid, 55 | } 56 | if handlerRegister == nil { 57 | client.HandlerRegister = CreateHandlerRegister() 58 | } else { 59 | client.HandlerRegister = handlerRegister 60 | } 61 | 62 | handshake := NewHandshakeMessage(roomid, uid) 63 | if _, err := client.Send(handshake.Encode()); err != nil { 64 | return nil, err 65 | } 66 | 67 | go client.heartbeat() 68 | return client, nil 69 | } 70 | 71 | func (c *Client) Send(b []byte) (int, error) { 72 | c.wLock.Lock() 73 | defer c.wLock.Unlock() 74 | return c.conn.Write(b) 75 | } 76 | 77 | func (c *Client) Receive() ([]byte, int, error) { 78 | c.rLock.Lock() 79 | defer c.rLock.Unlock() 80 | buf := make([]byte, 512) 81 | if _, err := io.ReadFull(c.conn, buf[:HEADER_LENGTH]); err != nil { 82 | return buf, -1, err 83 | } 84 | 85 | // header 86 | // 4byte for packet length 87 | pl := binary.BigEndian.Uint32(buf[:4]) 88 | 89 | // ignore buf[4:6] and buf[6:8] 90 | code := int(binary.BigEndian.Uint32(buf[8:12])) 91 | // ignore buf[12:16] 92 | 93 | // body content length 94 | cl := pl - HEADER_LENGTH 95 | 96 | if cl > 512 { 97 | // expand buffer 98 | buf = make([]byte, cl) 99 | } 100 | if _, err := io.ReadFull(c.conn, buf[:cl]); err != nil { 101 | return buf, code, err 102 | } 103 | return buf[:cl], code, nil 104 | } 105 | 106 | // Close connnection 107 | func (c *Client) Close() error { 108 | c.closed <- struct{}{} // receive 109 | c.closed <- struct{}{} // heartbeat 110 | return c.conn.Close() 111 | } 112 | 113 | func (c *Client) heartbeat() { 114 | tick := time.Tick(30 * time.Second) 115 | loop: 116 | for { 117 | select { 118 | case <-c.closed: 119 | break loop 120 | case <-tick: 121 | heartbeat := NewHeartbeatMessage(c.roomid, c.uid) 122 | 123 | if _, err := c.conn.Write(heartbeat.Encode()); err != nil { 124 | logs.Error("heartbeat failed, " + err.Error()) 125 | } 126 | } 127 | } 128 | } 129 | 130 | func (c *Client) Serve() { 131 | loop: 132 | for { 133 | select { 134 | case <-c.closed: 135 | break loop 136 | default: 137 | b, code, err := c.Receive() 138 | if err != nil { 139 | logs.Error(err) 140 | continue 141 | } 142 | switch code { 143 | case 3: 144 | logs.Info("heartbeat ok") 145 | continue 146 | case 8: 147 | logs.Info("handshake ok") 148 | continue 149 | case 5: 150 | msg := NewMessage(b, code).Decode() 151 | err, handlers := c.HandlerRegister.Get(msg.GetCmd()) 152 | if err != nil { 153 | logs.Warn(err) 154 | continue 155 | } 156 | for _, v := range handlers { 157 | go v.Run(msg) 158 | } 159 | default: 160 | logs.Warn(fmt.Sprintf("unhandled body type %d", code)) 161 | 162 | } 163 | 164 | } 165 | } 166 | } 167 | -------------------------------------------------------------------------------- /bilibili/handler.go: -------------------------------------------------------------------------------- 1 | package bilibili 2 | 3 | import ( 4 | "fmt" 5 | "sync" 6 | ) 7 | 8 | // Handler: message function wrapper 9 | type Handler func(*Message) 10 | 11 | // HandlerWrapper: message handler wrapper 12 | type HandlerWrapper struct { 13 | handle Handler 14 | enabled bool 15 | name string 16 | } 17 | 18 | // Run: message handler callback 19 | func (s *HandlerWrapper) Run(msg *Message) { 20 | if s.enabled { 21 | s.handle(msg) 22 | } 23 | } 24 | 25 | func (s *HandlerWrapper) getName() string { 26 | return s.name 27 | } 28 | 29 | func (s *HandlerWrapper) enableHandle() { 30 | s.enabled = true 31 | return 32 | } 33 | 34 | func (s *HandlerWrapper) disableHandle() { 35 | s.enabled = false 36 | return 37 | } 38 | 39 | // HandlerRegister: message handler manager 40 | type HandlerRegister struct { 41 | mu sync.RWMutex 42 | hmap map[string][]*HandlerWrapper 43 | } 44 | 45 | // CreateHandlerRegister: create handler register 46 | func CreateHandlerRegister() *HandlerRegister { 47 | return &HandlerRegister{ 48 | hmap: make(map[string][]*HandlerWrapper), 49 | } 50 | } 51 | 52 | // Add: add message callback handle to handler register 53 | func (hr *HandlerRegister) Add(key string, h Handler, name string) error { 54 | hr.mu.Lock() 55 | defer hr.mu.Unlock() 56 | for _, v := range hr.hmap { 57 | for _, handle := range v { 58 | if handle.getName() == name { 59 | return fmt.Errorf("handler name %s has been registered", name) 60 | } 61 | } 62 | } 63 | hr.hmap[key] = append(hr.hmap[key], &HandlerWrapper{handle: h, enabled: true, name: name}) 64 | return nil 65 | } 66 | 67 | // Get: get message handler 68 | func (hr *HandlerRegister) Get(key string) (error, []*HandlerWrapper) { 69 | hr.mu.RLock() 70 | defer hr.mu.RUnlock() 71 | if v, ok := hr.hmap[key]; ok { 72 | return nil, v 73 | } 74 | return fmt.Errorf("no handlers for key [%s]", key), nil 75 | } 76 | 77 | // EnableByType: enable handler by message type 78 | func (hr *HandlerRegister) EnableByType(key string) error { 79 | err, handles := hr.Get(key) 80 | if err != nil { 81 | return err 82 | } 83 | hr.mu.Lock() 84 | defer hr.mu.Unlock() 85 | // all 86 | for _, v := range handles { 87 | v.enableHandle() 88 | } 89 | return nil 90 | } 91 | 92 | // DisableByType: disable handler by message type 93 | func (hr *HandlerRegister) DisableByType(key string) error { 94 | err, handles := hr.Get(key) 95 | if err != nil { 96 | return err 97 | } 98 | hr.mu.Lock() 99 | defer hr.mu.Unlock() 100 | // all 101 | for _, v := range handles { 102 | v.disableHandle() 103 | } 104 | return nil 105 | } 106 | 107 | // EnableByName: enable message handler by name 108 | func (hr *HandlerRegister) EnableByName(name string) error { 109 | hr.mu.Lock() 110 | defer hr.mu.Unlock() 111 | for _, handles := range hr.hmap { 112 | for _, v := range handles { 113 | if v.getName() == name { 114 | v.enableHandle() 115 | return nil 116 | } 117 | } 118 | } 119 | return fmt.Errorf("cannot find handler %s", name) 120 | } 121 | 122 | // DisableByName: disable message handler by name 123 | func (hr *HandlerRegister) DisableByName(name string) error { 124 | hr.mu.Lock() 125 | defer hr.mu.Unlock() 126 | for _, handles := range hr.hmap { 127 | for _, v := range handles { 128 | if v.getName() == name { 129 | v.disableHandle() 130 | return nil 131 | } 132 | } 133 | } 134 | return fmt.Errorf("cannot find handler %s", name) 135 | } 136 | 137 | // Dump: output all message handlers 138 | func (hr *HandlerRegister) Dump() string { 139 | hr.mu.RLock() 140 | defer hr.mu.RUnlock() 141 | str := "[plugins dump]\n" 142 | for k, handles := range hr.hmap { 143 | for _, v := range handles { 144 | str += fmt.Sprintf("%d %s [%v]\n", k, v.getName(), v.enabled) 145 | } 146 | } 147 | return str 148 | } 149 | -------------------------------------------------------------------------------- /bilibili/protocol.go: -------------------------------------------------------------------------------- 1 | package bilibili 2 | 3 | import ( 4 | "bytes" 5 | "encoding/binary" 6 | "fmt" 7 | "github.com/songtianyi/rrframework/config" 8 | "github.com/songtianyi/rrframework/logs" 9 | ) 10 | 11 | const ( 12 | HEADER_LENGTH = 16 // in bytes 13 | DEVICE_TYPE = 1 14 | DEVICE = 1 15 | ) 16 | 17 | const ( 18 | // cmd types 19 | DANMU_MSG = "DANMU_MSG" 20 | 21 | // 22 | SERVER_PORT = "2243" 23 | ) 24 | 25 | type Message struct { 26 | body []byte 27 | bodyType int32 28 | } 29 | 30 | func NewHandshakeMessage(roomid, uid int) *Message { 31 | 32 | data := fmt.Sprintf(`{"roomid":%d,"uid":%d}`, roomid, uid) 33 | message := &Message{ 34 | body: []byte(data), 35 | bodyType: 7, 36 | } 37 | return message 38 | 39 | } 40 | 41 | func NewHeartbeatMessage(room, uid int) *Message { 42 | 43 | data := fmt.Sprintf(`{"roomid":%d,"uid":%d}`, room, uid) 44 | message := &Message{ 45 | body: []byte(data), 46 | bodyType: 2, 47 | } 48 | return message 49 | 50 | } 51 | 52 | func NewMessage(b []byte, btype int) *Message { 53 | return &Message{ 54 | body: b, 55 | bodyType: int32(btype), 56 | } 57 | 58 | } 59 | 60 | func (msg *Message) Encode() []byte { 61 | buffer := bytes.NewBuffer([]byte{}) 62 | binary.Write(buffer, binary.BigEndian, int32(len(msg.body)+HEADER_LENGTH)) // write package length 63 | binary.Write(buffer, binary.BigEndian, int16(HEADER_LENGTH)) // header length 64 | binary.Write(buffer, binary.BigEndian, int16(DEVICE_TYPE)) 65 | binary.Write(buffer, binary.BigEndian, int32(msg.bodyType)) 66 | binary.Write(buffer, binary.BigEndian, int32(DEVICE)) 67 | binary.Write(buffer, binary.BigEndian, msg.body) 68 | return buffer.Bytes() 69 | } 70 | 71 | func (msg *Message) Decode() *Message { 72 | // TODO 73 | return msg 74 | } 75 | 76 | func (msg *Message) GetCmd() string { 77 | jc, err := rrconfig.LoadJsonConfigFromBytes(msg.body) 78 | if err != nil { 79 | logs.Error(err) 80 | return "INVALID" 81 | } 82 | cmd, err := jc.GetString("cmd") 83 | if err != nil { 84 | logs.Error(err) 85 | return "ERROR" 86 | } 87 | return cmd 88 | 89 | } 90 | 91 | func (msg *Message) Bytes() []byte { 92 | return msg.body 93 | } 94 | -------------------------------------------------------------------------------- /bilibili/utils.go: -------------------------------------------------------------------------------- 1 | package bilibili 2 | 3 | import ( 4 | "fmt" 5 | "io/ioutil" 6 | "math/rand" 7 | "net/http" 8 | "regexp" 9 | ) 10 | 11 | var ( 12 | roomReg = regexp.MustCompile("var ROOMID = (\\d+)") 13 | serverReg = regexp.MustCompile("(.*?)") 14 | stateReg = regexp.MustCompile("(.*?)") 15 | ) 16 | 17 | func doHttp(uri string) ([]byte, error) { 18 | resp, err := http.Get(uri) 19 | if err != nil { 20 | return nil, err 21 | } 22 | defer resp.Body.Close() 23 | body, _ := ioutil.ReadAll(resp.Body) 24 | return body, nil 25 | } 26 | 27 | func GetRoomId(uri string) (string, error) { 28 | body, err := doHttp(uri) 29 | if err != nil { 30 | return "", err 31 | } 32 | fmt.Println(string(body)) 33 | matchs := roomReg.FindStringSubmatch(string(body)) 34 | if len(matchs) < 2 { 35 | return "", fmt.Errorf("ROOMID submatch %q", matchs) 36 | } 37 | return matchs[1], nil 38 | } 39 | 40 | func GetBarrageServerAndLiveState(room string) (string, string, error) { 41 | uri := "http://live.bilibili.com/api/player?id=cid:" + room 42 | body, err := doHttp(uri) 43 | if err != nil { 44 | return "", "", err 45 | } 46 | matchs := serverReg.FindStringSubmatch(string(body)) 47 | if len(matchs) < 2 { 48 | return "", "", fmt.Errorf("server submatch %q", matchs) 49 | } 50 | server := matchs[1] 51 | 52 | matchs = stateReg.FindStringSubmatch(string(body)) 53 | if len(matchs) < 2 { 54 | return "", "", fmt.Errorf("state submatch %q", matchs) 55 | } 56 | state := matchs[1] 57 | return server, state, nil 58 | } 59 | 60 | func RandUser() int { 61 | return rand.Intn(4e7-1e5) + 1e5 62 | } 63 | -------------------------------------------------------------------------------- /cmds/danmi/main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "fmt" 5 | "log" 6 | "os" 7 | "strings" 8 | 9 | "github.com/songtianyi/danmaku/bilibili" 10 | "github.com/songtianyi/danmaku/douyu" 11 | "github.com/songtianyi/danmaku/panda" 12 | "github.com/songtianyi/rrframework/logs" 13 | "github.com/urfave/cli" 14 | "github.com/yanyiwu/gojieba" 15 | ) 16 | 17 | var ( 18 | jieba = gojieba.NewJieba() 19 | string2Level = map[string]int{ 20 | "EMERGENCY": logs.LevelEmergency, 21 | "ALERT": logs.LevelAlert, 22 | "CRITICAL": logs.LevelCritical, 23 | "ERROR": logs.LevelError, 24 | "WARNING": logs.LevelWarning, 25 | "NOTICE": logs.LevelNotice, 26 | "INFO": logs.LevelInformational, 27 | "DEBUG": logs.LevelDebug, 28 | } 29 | ) 30 | 31 | func chatmsg(msg *douyu.Message) { 32 | level := msg.GetStringField("level") 33 | nn := msg.GetStringField("nn") 34 | txt := msg.GetStringField("txt") 35 | 36 | // contents := jieba.CutAll(txt) 37 | 38 | // logs.Info(fmt.Sprintf("level(%s) - %s >>> %s\n%s", level, nn, txt, string(contents))) 39 | // logs.Info(fmt.Sprintf("level(%s) - %s >>> %s\n%s", level, nn, txt, strings.Join(contents, "/"))) 40 | logs.Info(fmt.Sprintf("level(%s) - %s >>> %s", level, nn, txt)) 41 | 42 | } 43 | 44 | func douyuHandler(ctx *cli.Context) error { 45 | server := ctx.String("s") 46 | client, err := douyu.Connect(server, nil) 47 | if err != nil { 48 | return err 49 | } 50 | 51 | client.HandlerRegister.Add("chatmsg", douyu.Handler(chatmsg), "chatmsg") 52 | if err := client.JoinRoom(ctx.Int("rid")); err != nil { 53 | logs.Error(fmt.Sprintf("Join room fail, %s", err.Error())) 54 | return err 55 | } 56 | client.Serve() 57 | return nil 58 | } 59 | 60 | func danmu(msg *bilibili.Message) { 61 | logs.Debug(">>>", string(msg.Bytes())) 62 | } 63 | 64 | func bilibiliHandler(ctx *cli.Context) error { 65 | prefix := ctx.String("s") 66 | if !strings.HasSuffix(prefix, "/") { 67 | prefix += "/" 68 | } 69 | rid := ctx.String("rid") 70 | uid := ctx.Int("uid") 71 | client, err := bilibili.Connect(prefix+rid, uid, nil) 72 | if err != nil { 73 | return err 74 | } 75 | client.HandlerRegister.Add(bilibili.DANMU_MSG, bilibili.Handler(danmu), "danmu") 76 | client.Serve() 77 | return nil 78 | } 79 | 80 | func pandaTV(msg *panda.DecodedMessage) { 81 | logs.Debug("(%s) - %s >>> %s", msg.Type, msg.Nickname, msg.Content) 82 | } 83 | 84 | func pandaHandler(ctx *cli.Context) error { 85 | // uri, handlerRegister 86 | prefix := ctx.String("s") 87 | if !strings.HasSuffix(prefix, "/") { 88 | prefix += "/" 89 | } 90 | rid := ctx.String("rid") 91 | client, err := panda.Connect(prefix+rid, nil) 92 | if err != nil { 93 | logs.Error(err) 94 | return err 95 | } 96 | client.HandlerRegister.Add(panda.DANMU_MSG, panda.Handler(pandaTV), "danmu") 97 | client.Serve() 98 | 99 | return nil 100 | } 101 | 102 | func main() { 103 | app := cli.NewApp() 104 | app.Usage = "A cli tool to stat danmu messages." 105 | app.Version = "1.0.0" 106 | app.Commands = []cli.Command{ 107 | { 108 | Name: "douyu", 109 | Usage: "connect to douyu danmu message server", 110 | Action: douyuHandler, 111 | Flags: []cli.Flag{ 112 | cli.StringFlag{ 113 | Name: "server, s", 114 | Value: "openbarrage.douyutv.com:8601", 115 | Usage: "douyu danmu message server address", 116 | }, 117 | cli.IntFlag{ 118 | Name: "room, rid", 119 | Value: 667351, 120 | Usage: "douyu room id", 121 | }, 122 | }, 123 | }, 124 | { 125 | Name: "bilibili", 126 | Usage: "connect to bilibili danmu message api", 127 | Action: bilibiliHandler, 128 | Flags: []cli.Flag{ 129 | cli.StringFlag{ 130 | Name: "server, s", 131 | Value: "https://live.bilibili.com/", 132 | Usage: "bilibili danmu api prefix", 133 | }, 134 | cli.IntFlag{ 135 | Name: "room, rid", 136 | Value: 28645, 137 | Usage: "bilibili room id", 138 | }, 139 | cli.IntFlag{ 140 | Name: "user, uid", 141 | Value: -1, 142 | Usage: "bilibili user id", 143 | }, 144 | }, 145 | }, 146 | { 147 | Name: "panda", 148 | Usage: "connect to pandaTV danmu message api", 149 | Action: pandaHandler, 150 | Flags: []cli.Flag{ 151 | cli.StringFlag{ 152 | Name: "server, s", 153 | Value: "https://www.panda.tv/", 154 | Usage: "pandaTV danmu api prefix", 155 | }, 156 | cli.IntFlag{ 157 | Name: "room, rid", 158 | Value: 66666, 159 | Usage: "pandaTV room id", 160 | }, 161 | }, 162 | }, 163 | } 164 | app.Flags = []cli.Flag{ 165 | cli.StringFlag{ 166 | Name: "log, l", 167 | Value: "DEBUG", 168 | Usage: "log level settings, case insensitive, {" + 169 | "EMERGENCY|ALERT|CRITICAL|ERROR|WARNING|NOTICE|INFO|DEBUG}", 170 | }, 171 | } 172 | app.Action = func(ctx *cli.Context) error { 173 | if v, ok := string2Level[ctx.String("l")]; ok { 174 | logs.SetLevel(v) 175 | } 176 | return nil 177 | } 178 | err := app.Run(os.Args) 179 | if err != nil { 180 | log.Fatal(err) 181 | } 182 | return 183 | } 184 | -------------------------------------------------------------------------------- /douyu/client.go: -------------------------------------------------------------------------------- 1 | package douyu 2 | 3 | import ( 4 | "encoding/binary" 5 | "fmt" 6 | "io" 7 | "net" 8 | "sync" 9 | "time" 10 | 11 | "github.com/songtianyi/rrframework/logs" 12 | ) 13 | 14 | type Client struct { 15 | conn net.Conn 16 | HandlerRegister *HandlerRegister 17 | closed chan struct{} 18 | 19 | rLock sync.Mutex 20 | wLock sync.Mutex 21 | } 22 | 23 | // Connect to douyu barrage server 24 | func Connect(connStr string, handlerRegister *HandlerRegister) (*Client, error) { 25 | conn, err := net.Dial("tcp", connStr) 26 | if err != nil { 27 | return nil, err 28 | } 29 | 30 | logs.Info(fmt.Sprintf("%s connected.", connStr)) 31 | 32 | // server connected 33 | client := &Client{ 34 | conn: conn, 35 | } 36 | 37 | if handlerRegister == nil { 38 | client.HandlerRegister = CreateHandlerRegister() 39 | } else { 40 | client.HandlerRegister = handlerRegister 41 | } 42 | 43 | go client.heartbeat() 44 | return client, nil 45 | } 46 | 47 | // Send message to server 48 | func (c *Client) Send(b []byte) (int, error) { 49 | c.wLock.Lock() 50 | defer c.wLock.Unlock() 51 | return c.conn.Write(b) 52 | } 53 | 54 | // Receive message from server 55 | func (c *Client) Receive() ([]byte, int, error) { 56 | c.rLock.Lock() 57 | defer c.rLock.Unlock() 58 | buf := make([]byte, 512) 59 | if _, err := io.ReadFull(c.conn, buf[:12]); err != nil { 60 | return buf, 0, err 61 | } 62 | 63 | // 12 bytes header 64 | // 4byte for packet length 65 | pl := binary.LittleEndian.Uint32(buf[:4]) 66 | 67 | // ignore buf[4:8] 68 | 69 | // 2byte for message type 70 | code := binary.LittleEndian.Uint16(buf[8:10]) 71 | 72 | // 1byte for secret 73 | // 1byte for reserved 74 | 75 | // body content length(include ENDING) 76 | cl := pl - 8 77 | 78 | if cl > 512 { 79 | // expand buffer 80 | buf = make([]byte, cl) 81 | } 82 | if _, err := io.ReadFull(c.conn, buf[:cl]); err != nil { 83 | return buf, int(code), err 84 | } 85 | // exclude ENDING 86 | return buf[:cl-1], int(code), nil 87 | } 88 | 89 | // Close connnection 90 | func (c *Client) Close() error { 91 | c.closed <- struct{}{} // receive 92 | c.closed <- struct{}{} // heartbeat 93 | return c.conn.Close() 94 | } 95 | 96 | // JoinRoom 97 | func (c *Client) JoinRoom(room int) error { 98 | loginMessage := NewMessage(nil, MESSAGE_TO_SERVER). 99 | SetField("type", MSG_TYPE_LOGINREQ). 100 | SetField("roomid", room) 101 | 102 | logs.Info(fmt.Sprintf("joining room %d...", room)) 103 | if _, err := c.Send(loginMessage.Encode()); err != nil { 104 | return err 105 | } 106 | 107 | b, code, err := c.Receive() 108 | if err != nil { 109 | return err 110 | } 111 | 112 | // TODO assert(code == MESSAGE_FROM_SERVER) 113 | logs.Info(fmt.Sprintf("room %d joined", room)) 114 | loginRes := NewMessage(nil, MESSAGE_FROM_SERVER).Decode(b, code) 115 | logs.Info(fmt.Sprintf("room %d live status %s", room, loginRes.GetStringField("live_stat"))) 116 | 117 | joinMessage := NewMessage(nil, MESSAGE_TO_SERVER). 118 | SetField("type", "joingroup"). 119 | SetField("rid", room). 120 | SetField("gid", "-9999") 121 | 122 | logs.Info(fmt.Sprintf("joining group %d...", -9999)) 123 | _, err = c.Send(joinMessage.Encode()) 124 | if err != nil { 125 | return err 126 | } 127 | logs.Info(fmt.Sprintf("group %d joined", -9999)) 128 | return nil 129 | } 130 | 131 | func (c *Client) Serve() { 132 | loop: 133 | for { 134 | select { 135 | case <-c.closed: 136 | break loop 137 | default: 138 | b, code, err := c.Receive() 139 | if err != nil { 140 | logs.Error(err) 141 | break loop 142 | } 143 | 144 | // analize message 145 | msg := NewMessage(nil, MESSAGE_FROM_SERVER).Decode(b, code) 146 | err, handlers := c.HandlerRegister.Get(msg.GetStringField("type")) 147 | if err != nil { 148 | logs.Debug(err) 149 | continue 150 | } 151 | for _, v := range handlers { 152 | go v.Run(msg) 153 | } 154 | } 155 | } 156 | } 157 | 158 | func (c *Client) heartbeat() { 159 | tick := time.Tick(45 * time.Second) 160 | loop: 161 | for { 162 | select { 163 | case <-c.closed: 164 | break loop 165 | case <-tick: 166 | heartbeatMsg := NewMessage(nil, MESSAGE_TO_SERVER). 167 | SetField("type", "keeplive"). 168 | SetField("tick", time.Now().Unix()) 169 | 170 | _, err := c.Send(heartbeatMsg.Encode()) 171 | if err != nil { 172 | logs.Error("heartbeat failed, " + err.Error()) 173 | } 174 | } 175 | } 176 | } 177 | -------------------------------------------------------------------------------- /douyu/handler.go: -------------------------------------------------------------------------------- 1 | package douyu 2 | 3 | import ( 4 | "fmt" 5 | "sync" 6 | ) 7 | 8 | // Handler: message function wrapper 9 | type Handler func(*Message) 10 | 11 | // HandlerWrapper: message handler wrapper 12 | type HandlerWrapper struct { 13 | handle Handler 14 | enabled bool 15 | name string 16 | } 17 | 18 | // Run: message handler callback 19 | func (s *HandlerWrapper) Run(msg *Message) { 20 | if s.enabled { 21 | s.handle(msg) 22 | } 23 | } 24 | 25 | func (s *HandlerWrapper) getName() string { 26 | return s.name 27 | } 28 | 29 | func (s *HandlerWrapper) enableHandle() { 30 | s.enabled = true 31 | return 32 | } 33 | 34 | func (s *HandlerWrapper) disableHandle() { 35 | s.enabled = false 36 | return 37 | } 38 | 39 | // HandlerRegister: message handler manager 40 | type HandlerRegister struct { 41 | mu sync.RWMutex 42 | hmap map[string][]*HandlerWrapper 43 | } 44 | 45 | // CreateHandlerRegister: create handler register 46 | func CreateHandlerRegister() *HandlerRegister { 47 | return &HandlerRegister{ 48 | hmap: make(map[string][]*HandlerWrapper), 49 | } 50 | } 51 | 52 | // Add: add message callback handle to handler register 53 | func (hr *HandlerRegister) Add(key string, h Handler, name string) error { 54 | hr.mu.Lock() 55 | defer hr.mu.Unlock() 56 | for _, v := range hr.hmap { 57 | for _, handle := range v { 58 | if handle.getName() == name { 59 | return fmt.Errorf("handler name %s has been registered", name) 60 | } 61 | } 62 | } 63 | hr.hmap[key] = append(hr.hmap[key], &HandlerWrapper{handle: h, enabled: true, name: name}) 64 | return nil 65 | } 66 | 67 | // Get: get message handler 68 | func (hr *HandlerRegister) Get(key string) (error, []*HandlerWrapper) { 69 | hr.mu.RLock() 70 | defer hr.mu.RUnlock() 71 | if v, ok := hr.hmap[key]; ok { 72 | return nil, v 73 | } 74 | return fmt.Errorf("no handlers for key [%s]", key), nil 75 | } 76 | 77 | // EnableByType: enable handler by message type 78 | func (hr *HandlerRegister) EnableByType(key string) error { 79 | err, handles := hr.Get(key) 80 | if err != nil { 81 | return err 82 | } 83 | hr.mu.Lock() 84 | defer hr.mu.Unlock() 85 | // all 86 | for _, v := range handles { 87 | v.enableHandle() 88 | } 89 | return nil 90 | } 91 | 92 | // DisableByType: disable handler by message type 93 | func (hr *HandlerRegister) DisableByType(key string) error { 94 | err, handles := hr.Get(key) 95 | if err != nil { 96 | return err 97 | } 98 | hr.mu.Lock() 99 | defer hr.mu.Unlock() 100 | // all 101 | for _, v := range handles { 102 | v.disableHandle() 103 | } 104 | return nil 105 | } 106 | 107 | // EnableByName: enable message handler by name 108 | func (hr *HandlerRegister) EnableByName(name string) error { 109 | hr.mu.Lock() 110 | defer hr.mu.Unlock() 111 | for _, handles := range hr.hmap { 112 | for _, v := range handles { 113 | if v.getName() == name { 114 | v.enableHandle() 115 | return nil 116 | } 117 | } 118 | } 119 | return fmt.Errorf("cannot find handler %s", name) 120 | } 121 | 122 | // DisableByName: disable message handler by name 123 | func (hr *HandlerRegister) DisableByName(name string) error { 124 | hr.mu.Lock() 125 | defer hr.mu.Unlock() 126 | for _, handles := range hr.hmap { 127 | for _, v := range handles { 128 | if v.getName() == name { 129 | v.disableHandle() 130 | return nil 131 | } 132 | } 133 | } 134 | return fmt.Errorf("cannot find handler %s", name) 135 | } 136 | 137 | // Dump: output all message handlers 138 | func (hr *HandlerRegister) Dump() string { 139 | hr.mu.RLock() 140 | defer hr.mu.RUnlock() 141 | str := "[plugins dump]\n" 142 | for k, handles := range hr.hmap { 143 | for _, v := range handles { 144 | str += fmt.Sprintf("%d %s [%v]\n", k, v.getName(), v.enabled) 145 | } 146 | } 147 | return str 148 | } 149 | -------------------------------------------------------------------------------- /douyu/protocol.go: -------------------------------------------------------------------------------- 1 | package douyu 2 | 3 | import ( 4 | "bytes" 5 | "encoding/binary" 6 | "fmt" 7 | "strings" 8 | "sync" 9 | ) 10 | 11 | // consts 12 | const ( 13 | MESSAGE_TO_SERVER = int16(689) 14 | MESSAGE_FROM_SERVER = int16(690) 15 | MESSAGE_ENDING = int8(0) 16 | ) 17 | 18 | // 弹幕服务器端相应消息类型 19 | const ( 20 | MSG_TYPE_LOGINREQ = "loginreq" 21 | // 客户端登录请求 22 | // 字段说明 23 | // type 表示为"登录"消息,固定为 loginreq 24 | // roomid 房间id 25 | MSG_TYPE_LOGINRES = "loginres" // 登录响应消息 26 | // 服务端返回登陆响应消息,完整的数据部分应包含的字段如下: 27 | // 字段说明 28 | // type 表示为“登出”消息,固定为 loginres 29 | // userid 用户 ID 30 | // roomgroup 房间权限组 31 | // pg 平台权限组 32 | // sessionid 会话 ID 33 | // username 用户名 34 | // nickname 用户昵称 35 | // is_signed 是否已在房间签到 36 | // signed_count 日总签到次数 37 | // live_stat 直播状态 38 | // npv 是否需要手机验证 39 | // best_dlev 最高酬勤等级 40 | // cur_lev 酬勤等级 41 | MSG_TYPE_KEEPALIVE = "keeplive" // 服务端心跳消息 42 | // 服务端响应客户端心跳的消息,完整的数据部分应包含的字段如下: 43 | // 字段说明 44 | // type 表示为“心跳”消息,固定为 keeplive 45 | // tick 对应客户端心跳请求中的 tick 46 | MSG_TYPE_CHAT_MSG = "chatmsg" // 弹幕消息 47 | // 用户在房间发送弹幕时,服务端发此消息给客户端,完整的数据部分应包含的字 段如下: 48 | // 字段说明 49 | // type 表示为“弹幕”消息,固定为 chatmsg 50 | // gid 弹幕组 id 51 | // rid 房间 id 52 | // uid 发送者 uid 53 | // nn 发送者昵称 54 | // txt 弹幕文本内容 55 | // cid 弹幕唯一 ID 56 | // level 用户等级 57 | // gt 礼物头衔:默认值 0(表示没有头衔) 58 | // col 颜色:默认值 0(表示默认颜色弹幕) 59 | // ct 客户端类型:默认值 0(表示 web 用户) 60 | // rg 房间权限组:默认值 1(表示普通权限用户) 61 | // pg 平台权限组:默认值 1(表示普通权限用户) 62 | // dlv 酬勤等级:默认值 0(表示没有酬勤) 63 | // dc 酬勤数量:默认值 0(表示没有酬勤数量) 64 | // bdlv 最高酬勤等级:默认值 0(表示全站都没有酬勤) 65 | MSG_TYPE_LUCK_GUY = "onlinegift" //领取在线鱼丸暴击消息 66 | // 在线领取鱼丸时,若出现暴击(鱼丸数大于等于 60)服务则发送领取暴击消息 到客户端。完整的数据部分应包含的字段如下: 67 | // 字段说明 68 | // type 表示为“领取在线鱼丸”消息,固定为 onlinegift 69 | // rid 房间 ID 70 | // uid 用户 ID 71 | // gid 弹幕分组 ID 72 | // sil 鱼丸数 73 | // if 领取鱼丸的等级 74 | // ct 客户端类型标识 75 | // nn 用户昵称 76 | MSG_TYPE_NEW_GIFT = "dgb" // 赠送礼物消息 77 | // 用户在房间赠送礼物时,服务端发送此消息给客户端。完整的数据部分应包含的 字段如下: 78 | // 字段说明 79 | // type 表示为“赠送礼物”消息,固定为 dgb 80 | // rid 房间 ID 81 | // gid 弹幕分组 ID 82 | // gfid 礼物 id 83 | // gs 礼物显示样式 84 | // uid 用户 id 85 | // nn 用户昵称 86 | // str 用户战斗力 87 | // level 用户等级 88 | // dw 主播体重 89 | // gfcnt 礼物个数:默认值 1(表示 1 个礼物) 90 | // hits 礼物连击次数:默认值 1(表示 1 连击) 91 | // dlv 酬勤头衔:默认值 0(表示没有酬勤) 92 | // dc 酬勤个数:默认值 0(表示没有酬勤数量) 93 | // bdl 全站最高酬勤等级:默认值 0(表示全站都没有酬勤) 94 | // rg 房间身份组:默认值 1(表示普通权限用户) 95 | // pg 平台身份组:默认值 1(表示普通权限用户) 96 | // rpid 红包 id:默认值 0(表示没有红包) 97 | // slt 红包开启剩余时间:默认值 0(表示没有红包) 98 | // elt 红包销毁剩余时间:默认值 0(表示没有红包) 99 | MSG_TYPE_USER_ENTER = "uenter" // 特殊用户进房通知消息 100 | // 具有特殊属性的用户进入直播间时,服务端发送此消息至客户端。完整的数据部 分应包含的字段如下: 101 | // 字段说明 102 | // type 表示为“用户进房通知”消息,固定为 uenter 103 | // rid 房间 ID 104 | // gid 弹幕分组 ID 105 | // uid 用户 ID 106 | // nn 用户昵称 107 | // str 战斗力 108 | // level 新用户等级 109 | // gt 礼物头衔:默认值 0(表示没有头衔) 110 | // rg 房间权限组:默认值 1(表示普通权限用户) 111 | // pg 平台身份组:默认值 1(表示普通权限用户) 112 | // dlv 酬勤等级:默认值 0(表示没有酬勤) 113 | // dc 酬勤数量:默认值 0(表示没有酬勤数量) 114 | // bdlv 最高酬勤等级:默认值 0(表示全站都没有酬勤) 115 | MSG_TYPE_NEW_DESERVE = "bc_buy_deserve" // 用户赠送酬勤通知消息 116 | // 用户赠送酬勤时,服务端发送此消息至客户端。完整的数据部分应包含的字段如 下: 117 | // 字段说明 118 | // type 表示为“赠送酬勤通知”消息,固定为 bc_buy_deserve 119 | // rid 房间 ID 120 | // gid 弹幕分组 ID 121 | // level 用户等级 122 | // cnt 赠送数量 123 | // hits 赠送连击次数 124 | // lev 酬勤等级 125 | // sui 用户信息序列化字符串,详见下文。注意,此处为嵌套序列化,需注 意符号的转义变换。(转义符号参见 2.2 序列化) 126 | MSG_TYPE_LIVE_STATUS_CHANGE = "rss" // 房间开关播提醒消息 127 | // 房间开播提醒主要部分应包含的字段如下: 128 | // 字段说明 129 | // type 表示为“房间开播提醒”消息,固定为 rss 130 | // rid 房间 id 131 | // gid 弹幕分组 id 132 | // ss 直播状态,0-没有直播,1-正在直播 133 | // code 类型 134 | // rt 开关播原因:0-主播开关播,其他值-其他原因 135 | // notify 通知类型 136 | // endtime 关播时间(仅关播时有效) 137 | MSG_TYPE_RANKLIST = "ranklist" // 广播排行榜消息 138 | MSG_TYPE_SSD = "ssd" // 超级弹幕消息(如，火箭弹幕) 139 | // 超级弹幕主要部分应包含的字段如下: 140 | // 字段说明 141 | // type 表示为“超级弹幕”消息,固定为 ssd 142 | // rid 房间 id 143 | // gid 弹幕分组 id 144 | // sdid 超级弹幕 id 145 | // trid 跳转房间 id 146 | // content 超级弹幕的内容 147 | MSG_TYPE_SPBC = "spbc" // 房间内礼物广播 148 | // 房间内赠送礼物成功后效果主要部分应包含的字段如下: 149 | // 字段说明 150 | // type 表示为“房间内礼物广播”,固定为 spbc 151 | // rid 房间 id 152 | // gid 弹幕分组 id 153 | // sn 赠送者昵称 154 | // dn 受赠者昵称 155 | // gn 礼物名称 156 | // gc 礼物数量 157 | // drid 赠送房间 158 | // gs 广播样式 159 | // gb 是否有礼包(0-无礼包,1-有礼包) 160 | // es 广播展现样式(1-火箭,2-飞机) 161 | // gfid 礼物 id 162 | // eid 特效 id 163 | MSG_TYPE_RED_PACKET = "ggbb" // 房间用户抢红包 164 | // 房间赠送礼物成功后效果(赠送礼物效果,连击数)主要部分应包含的字段如下: 165 | // 字段说明 166 | // type 表示“房间用户抢红包”信息,固定为 ggbb 167 | // rid 房间 id 168 | // gid 弹幕分组 id 169 | // sl 抢到的鱼丸数量 170 | // sid 礼包产生者 id 171 | // did 抢礼包者 id 172 | // snk 礼包产生者昵称 173 | // dnk 抢礼包者昵称 174 | // rpt 礼包类型 175 | MSG_TYPE_RANK_UP = "rankup" // 房间内top10变化消息 176 | // 房间内 top10 排行榜变化后,广播。主要部分应包含的字段如下: 177 | // 字段说明 178 | // type 表示为“房间 top10 排行榜变换”,固定为 rankup 179 | // rid 房间 id 180 | // gid 弹幕分组 id 181 | // uid 用户 id 182 | // drid 目标房间 id 183 | // rt 房间所属栏目类型 184 | // bt 广播类型:1-房间内广播,2-栏目广播,4-全站广播 185 | // sz 展示区域:1-聊天区展示,2-flash 展示,3-都显示 186 | // nk 用户昵称 187 | // rkt top10 榜的类型 1-周榜 2-总榜 4-日榜 188 | // rn 上升后的排名 189 | ) 190 | 191 | type Message struct { 192 | body map[string]interface{} // 消息正文map 193 | headerType int16 // 消息类型，2字节，689为客户端发给服务器 194 | headerSecret int8 // 加密字段，1字节，暂时未用，默认为0 195 | headerReserved int8 // 保留字段，1字节，暂时未用，默认为0 196 | 197 | lock sync.RWMutex 198 | } 199 | 200 | // Create a new message 201 | // NewMessage(nil, MESSAGE_TO_SERVER) 202 | // NewMessage(newMap, MESSAGE_FROM_SERVER) 203 | func NewMessage(body map[string]interface{}, mtype int16) *Message { 204 | if body == nil { 205 | body = make(map[string]interface{}) 206 | } 207 | return &Message{ 208 | body: body, 209 | headerType: mtype, 210 | } 211 | } 212 | 213 | func (msg *Message) SetField(key string, value interface{}) *Message { 214 | msg.lock.Lock() 215 | defer msg.lock.Unlock() 216 | msg.body[key] = value 217 | return msg 218 | } 219 | 220 | // Get certain field 221 | func (msg *Message) GetField(key string) (interface{}, bool) { 222 | msg.lock.RLock() 223 | defer msg.lock.RUnlock() 224 | v, ok := msg.body[key] 225 | return v, ok 226 | } 227 | 228 | // return field value as string 229 | func (msg *Message) GetStringField(key string) string { 230 | value, ok := msg.GetField(key) 231 | if !ok { 232 | return "" 233 | } 234 | return value.(string) 235 | } 236 | 237 | // return field value as int 238 | func (msg *Message) GetIntField(key string) int { 239 | value, ok := msg.GetField(key) 240 | if !ok { 241 | return 0 242 | } 243 | return value.(int) 244 | } 245 | 246 | // return body as string 247 | func (msg *Message) BodyString() string { 248 | values := make([]string, 0, len(msg.body)) 249 | 250 | for k, v := range msg.body { 251 | // @ | / in k, v should replaced by @A | @S by package user 252 | values = append(values, fmt.Sprintf("%s@=%v/", k, v)) 253 | } 254 | return strings.Join(values, "") 255 | } 256 | 257 | func (msg *Message) Encode() []byte { 258 | content := msg.BodyString() 259 | length := 9 + len(content) // 长度4字节 + 类型2字节 + 加密字段1字节 + 保留字段1字节 + 结尾字段1字节 260 | 261 | buffer := bytes.NewBuffer([]byte{}) 262 | binary.Write(buffer, binary.LittleEndian, int32(length)) 263 | binary.Write(buffer, binary.LittleEndian, int32(length)) 264 | binary.Write(buffer, binary.LittleEndian, int16(msg.headerType)) 265 | binary.Write(buffer, binary.LittleEndian, int8(msg.headerSecret)) 266 | binary.Write(buffer, binary.LittleEndian, int8(msg.headerReserved)) 267 | binary.Write(buffer, binary.LittleEndian, []byte(content)) 268 | binary.Write(buffer, binary.LittleEndian, MESSAGE_ENDING) 269 | return buffer.Bytes() 270 | } 271 | 272 | func (msg *Message) Decode(body []byte, mtype int) *Message { 273 | msg.headerType = int16(mtype) 274 | values := strings.Split(strings.Trim(string(body), "/"), "/") 275 | 276 | for _, v := range values { 277 | kv := strings.SplitN(v, "@=", 2) 278 | kk := Unescape(kv[0]) 279 | vv := Unescape(kv[1]) 280 | 281 | msg.SetField(kk, vv) 282 | } 283 | return msg 284 | } 285 | -------------------------------------------------------------------------------- /douyu/utils.go: -------------------------------------------------------------------------------- 1 | package douyu 2 | 3 | import ( 4 | "strings" 5 | ) 6 | 7 | func Escaped(v string) string { 8 | vv := strings.Replace(v, "@", "@A", -1) 9 | vv = strings.Replace(vv, "/", "@S", -1) 10 | return vv 11 | } 12 | 13 | func Unescape(v string) string { 14 | vv := strings.Replace(v, "@A", "@", -1) 15 | vv = strings.Replace(vv, "@S", "/", -1) 16 | return vv 17 | } 18 | -------------------------------------------------------------------------------- /panda/client.go: -------------------------------------------------------------------------------- 1 | package panda 2 | 3 | import ( 4 | //"encoding/binary" 5 | "fmt" 6 | "github.com/songtianyi/rrframework/logs" 7 | "io" 8 | "net" 9 | "strconv" 10 | "sync" 11 | "time" 12 | ) 13 | 14 | type Client struct { 15 | conn net.Conn 16 | HandlerRegister *HandlerRegister 17 | closed chan struct{} 18 | roomid int 19 | chatInfo *ChatInfo 20 | 21 | rLock sync.Mutex 22 | wLock sync.Mutex 23 | } 24 | 25 | func Connect(uri string, handlerRegister *HandlerRegister) (*Client, error) { 26 | 27 | roomStr, err := GetRoomId(uri) 28 | if err != nil { 29 | return nil, err 30 | } 31 | 32 | state, err := GetBarrageLiveState(roomStr) 33 | if err != nil { 34 | return nil, err 35 | } 36 | if state == "2" { 37 | return nil, fmt.Errorf("room state %s", state) 38 | } 39 | 40 | chatInfo, err := GetBarrageChatInfo(roomStr) 41 | if err != nil { 42 | return nil, err 43 | } 44 | 45 | conn, err := net.DialTimeout("tcp", chatInfo.Data.ChatAddrList[0], 10*time.Second) 46 | if err != nil { 47 | return nil, err 48 | } 49 | 50 | logs.Info(fmt.Sprintf("%s connected, live status %s", chatInfo.Data.ChatAddrList[0], state)) 51 | 52 | roomid, err := strconv.Atoi(roomStr) 53 | if err != nil { 54 | return nil, err 55 | } 56 | 57 | client := &Client{ 58 | conn: conn, 59 | roomid: roomid, 60 | chatInfo: chatInfo, 61 | } 62 | 63 | if handlerRegister == nil { 64 | client.HandlerRegister = CreateHandlerRegister() 65 | } else { 66 | client.HandlerRegister = handlerRegister 67 | } 68 | 69 | handshake := NewHandshakeMessage(chatInfo) 70 | if _, err := client.Send(handshake.Encode()); err != nil { 71 | return nil, err 72 | } 73 | 74 | buf := make([]byte, 28) 75 | if _, err := io.ReadFull(client.conn, buf); err != nil { 76 | return nil, err 77 | } 78 | logs.Info("handshake ok") 79 | 80 | go client.heartbeat() 81 | return client, nil 82 | } 83 | 84 | func (c *Client) Send(b []byte) (int, error) { 85 | c.wLock.Lock() 86 | defer c.wLock.Unlock() 87 | return c.conn.Write(b) 88 | } 89 | 90 | func (c *Client) Receive() ([]byte, error) { 91 | c.rLock.Lock() 92 | defer c.rLock.Unlock() 93 | buf := make([]byte, 4096) // big buffer 94 | 95 | n, err := c.conn.Read(buf) 96 | if err != nil { 97 | if err != io.EOF { 98 | return buf[:n], err 99 | } 100 | } 101 | return buf[:n], nil 102 | } 103 | 104 | // Close connnection 105 | func (c *Client) Close() error { 106 | c.closed <- struct{}{} // receive 107 | c.closed <- struct{}{} // heartbeat 108 | return c.conn.Close() 109 | } 110 | 111 | func (c *Client) heartbeat() { 112 | tick := time.Tick(30 * time.Second) 113 | loop: 114 | for { 115 | select { 116 | case <-c.closed: 117 | break loop 118 | case <-tick: 119 | heartbeat := NewHeartbeatMessage() 120 | 121 | if _, err := c.conn.Write(heartbeat.Encode()); err != nil { 122 | logs.Error("heartbeat failed, " + err.Error()) 123 | } 124 | } 125 | } 126 | } 127 | 128 | func (c *Client) Serve() { 129 | loop: 130 | for { 131 | select { 132 | case <-c.closed: 133 | break loop 134 | default: 135 | b, err := c.Receive() 136 | if err != nil { 137 | logs.Error("Receive", err) 138 | continue 139 | } 140 | for _, dm := range NewMessage(b).Decode().Decoded { 141 | err, handlers := c.HandlerRegister.Get(dm.Type) 142 | if err != nil { 143 | logs.Warn(err) 144 | continue 145 | } 146 | for _, v := range handlers { 147 | go v.Run(dm) 148 | } 149 | } 150 | 151 | } 152 | } 153 | } 154 | -------------------------------------------------------------------------------- /panda/handler.go: -------------------------------------------------------------------------------- 1 | package panda 2 | 3 | import ( 4 | "fmt" 5 | "sync" 6 | ) 7 | 8 | // Handler: message function wrapper 9 | type Handler func(*DecodedMessage) 10 | 11 | // HandlerWrapper: message handler wrapper 12 | type HandlerWrapper struct { 13 | handle Handler 14 | enabled bool 15 | name string 16 | } 17 | 18 | // Run: message handler callback 19 | func (s *HandlerWrapper) Run(msg *DecodedMessage) { 20 | if s.enabled { 21 | s.handle(msg) 22 | } 23 | } 24 | 25 | func (s *HandlerWrapper) getName() string { 26 | return s.name 27 | } 28 | 29 | func (s *HandlerWrapper) enableHandle() { 30 | s.enabled = true 31 | return 32 | } 33 | 34 | func (s *HandlerWrapper) disableHandle() { 35 | s.enabled = false 36 | return 37 | } 38 | 39 | // HandlerRegister: message handler manager 40 | type HandlerRegister struct { 41 | mu sync.RWMutex 42 | hmap map[string][]*HandlerWrapper 43 | } 44 | 45 | // CreateHandlerRegister: create handler register 46 | func CreateHandlerRegister() *HandlerRegister { 47 | return &HandlerRegister{ 48 | hmap: make(map[string][]*HandlerWrapper), 49 | } 50 | } 51 | 52 | // Add: add message callback handle to handler register 53 | func (hr *HandlerRegister) Add(key string, h Handler, name string) error { 54 | hr.mu.Lock() 55 | defer hr.mu.Unlock() 56 | for _, v := range hr.hmap { 57 | for _, handle := range v { 58 | if handle.getName() == name { 59 | return fmt.Errorf("handler name %s has been registered", name) 60 | } 61 | } 62 | } 63 | hr.hmap[key] = append(hr.hmap[key], &HandlerWrapper{handle: h, enabled: true, name: name}) 64 | return nil 65 | } 66 | 67 | // Get: get message handler 68 | func (hr *HandlerRegister) Get(key string) (error, []*HandlerWrapper) { 69 | hr.mu.RLock() 70 | defer hr.mu.RUnlock() 71 | if v, ok := hr.hmap[key]; ok { 72 | return nil, v 73 | } 74 | return fmt.Errorf("no handlers for key [%s]", key), nil 75 | } 76 | 77 | // EnableByType: enable handler by message type 78 | func (hr *HandlerRegister) EnableByType(key string) error { 79 | err, handles := hr.Get(key) 80 | if err != nil { 81 | return err 82 | } 83 | hr.mu.Lock() 84 | defer hr.mu.Unlock() 85 | // all 86 | for _, v := range handles { 87 | v.enableHandle() 88 | } 89 | return nil 90 | } 91 | 92 | // DisableByType: disable handler by message type 93 | func (hr *HandlerRegister) DisableByType(key string) error { 94 | err, handles := hr.Get(key) 95 | if err != nil { 96 | return err 97 | } 98 | hr.mu.Lock() 99 | defer hr.mu.Unlock() 100 | // all 101 | for _, v := range handles { 102 | v.disableHandle() 103 | } 104 | return nil 105 | } 106 | 107 | // EnableByName: enable message handler by name 108 | func (hr *HandlerRegister) EnableByName(name string) error { 109 | hr.mu.Lock() 110 | defer hr.mu.Unlock() 111 | for _, handles := range hr.hmap { 112 | for _, v := range handles { 113 | if v.getName() == name { 114 | v.enableHandle() 115 | return nil 116 | } 117 | } 118 | } 119 | return fmt.Errorf("cannot find handler %s", name) 120 | } 121 | 122 | // DisableByName: disable message handler by name 123 | func (hr *HandlerRegister) DisableByName(name string) error { 124 | hr.mu.Lock() 125 | defer hr.mu.Unlock() 126 | for _, handles := range hr.hmap { 127 | for _, v := range handles { 128 | if v.getName() == name { 129 | v.disableHandle() 130 | return nil 131 | } 132 | } 133 | } 134 | return fmt.Errorf("cannot find handler %s", name) 135 | } 136 | 137 | // Dump: output all message handlers 138 | func (hr *HandlerRegister) Dump() string { 139 | hr.mu.RLock() 140 | defer hr.mu.RUnlock() 141 | str := "[plugins dump]\n" 142 | for k, handles := range hr.hmap { 143 | for _, v := range handles { 144 | str += fmt.Sprintf("%d %s [%v]\n", k, v.getName(), v.enabled) 145 | } 146 | } 147 | return str 148 | } 149 | -------------------------------------------------------------------------------- /panda/protocol.go: -------------------------------------------------------------------------------- 1 | package panda 2 | 3 | import ( 4 | "bytes" 5 | "encoding/binary" 6 | "fmt" 7 | //"strings" 8 | "regexp" 9 | ) 10 | 11 | const ( 12 | DANMU_MSG = "1" 13 | ) 14 | 15 | type DecodedMessage struct { 16 | Type string 17 | Nickname string 18 | Content string 19 | } 20 | 21 | type Message struct { 22 | head []byte 23 | body []byte 24 | 25 | Decoded []*DecodedMessage 26 | } 27 | 28 | func NewHandshakeMessage(chatInfo *ChatInfo) *Message { 29 | 30 | data := fmt.Sprintf("u:%d@%s\nk:1\nt:300\nts:%d\nsign:%s\nauthtype:%s", 31 | chatInfo.Data.Rid, chatInfo.Data.AppId, chatInfo.Data.Ts, chatInfo.Data.Sign, chatInfo.Data.AuthType) 32 | 33 | message := &Message{ 34 | head: []byte{0x00, 0x06, 0x00, 0x02}, 35 | body: []byte(data), 36 | } 37 | return message 38 | 39 | } 40 | 41 | func NewHeartbeatMessage() *Message { 42 | 43 | message := &Message{ 44 | head: []byte{0x00, 0x06, 0x00, 0x00}, 45 | } 46 | return message 47 | 48 | } 49 | 50 | func NewMessage(b []byte) *Message { 51 | return &Message{ 52 | body: b, 53 | } 54 | } 55 | 56 | func (msg *Message) Encode() []byte { 57 | buffer := bytes.NewBuffer([]byte{}) 58 | binary.Write(buffer, binary.BigEndian, msg.head) // write head 59 | if msg.body != nil && len(msg.body) > 0 { 60 | binary.Write(buffer, binary.BigEndian, int16(len(msg.body))) // write body length 61 | binary.Write(buffer, binary.BigEndian, msg.body) // write body 62 | } 63 | return buffer.Bytes() 64 | } 65 | 66 | func (msg *Message) Decode() *Message { 67 | // TODO 68 | s := string(msg.body) 69 | //fmt.Println(s) 70 | 71 | // split by "ack:0" 72 | //raw := strings.Split(s, "ack:0") 73 | //for _, v := range raw { 74 | // if n := strings.Index(v, "{"); n > -1 { 75 | // js := v[n:] 76 | // // unmarshal json 77 | // fmt.Println(js) 78 | // } 79 | //} 80 | 81 | nickNameReg := regexp.MustCompile("\"nickName\":\"([^\"]*)\"") 82 | nickNames := nickNameReg.FindAllStringSubmatch(s, -1) 83 | typeReg := regexp.MustCompile("\"type\":\"([^\"]*)\"") 84 | types := typeReg.FindAllStringSubmatch(s, -1) 85 | contentReg := regexp.MustCompile("\"content\":\"([^\"]*)\"") 86 | contents := contentReg.FindAllStringSubmatch(s, -1) 87 | 88 | msg.Decoded = make([]*DecodedMessage, 0) 89 | for i, v := range types { 90 | if v[1] != "1" { 91 | continue 92 | } 93 | msg.Decoded = append(msg.Decoded, &DecodedMessage{ 94 | Type: v[1], 95 | Nickname: nickNames[i][1], 96 | Content: contents[i][1], 97 | }) 98 | } 99 | return msg 100 | } 101 | 102 | func (msg *Message) Bytes() []byte { 103 | return msg.body 104 | } 105 | -------------------------------------------------------------------------------- /panda/utils.go: -------------------------------------------------------------------------------- 1 | package panda 2 | 3 | import ( 4 | "encoding/json" 5 | "fmt" 6 | "github.com/songtianyi/rrframework/config" 7 | "io/ioutil" 8 | "net/http" 9 | "net/url" 10 | "regexp" 11 | "strconv" 12 | "strings" 13 | "time" 14 | ) 15 | 16 | var ( 17 | videoInfoReg = regexp.MustCompile("'videoinfo': (.*),") 18 | stateReg = regexp.MustCompile("(.*?)") 19 | ) 20 | 21 | type ChatData struct { 22 | AppId string `json:"appid"` 23 | Rid int `json:"rid"` 24 | Sign string `json:"sign"` 25 | AuthType string `json:"authType"` 26 | Ts int `json:"ts"` 27 | ChatAddrList []string `json:"chat_addr_list"` 28 | } 29 | 30 | type ChatInfo struct { 31 | Errno int `json:"errno"` 32 | Errmsg string `json:"errmsg"` 33 | Data ChatData `json:"data"` 34 | } 35 | 36 | func doHttp(uri string) ([]byte, error) { 37 | resp, err := http.Get(uri) 38 | if err != nil { 39 | return nil, err 40 | } 41 | defer resp.Body.Close() 42 | body, _ := ioutil.ReadAll(resp.Body) 43 | return body, nil 44 | } 45 | 46 | func GetRoomId(uri string) (string, error) { 47 | uri = strings.Trim(uri, "/") 48 | it := strings.Split(uri, "/") 49 | if len(it) < 2 { 50 | return "", fmt.Errorf("url %s not valid", uri) 51 | } 52 | roomStr := it[len(it)-1] 53 | return roomStr, nil 54 | } 55 | 56 | func GetBarrageLiveState(roomStr string) (string, error) { 57 | 58 | km := url.Values{} 59 | km.Add("roomid", roomStr) 60 | km.Add("pub_key", "") 61 | km.Add("_", strconv.Itoa(int(time.Now().Unix()))) 62 | 63 | api := "http://www.panda.tv/api_room?" + km.Encode() 64 | body, err := doHttp(api) 65 | if err != nil { 66 | return "", err 67 | } 68 | jc, err := rrconfig.LoadJsonConfigFromBytes(body) 69 | if err != nil { 70 | return "", err 71 | } 72 | status, _ := jc.GetString("data.videoinfo.status") 73 | return status, nil 74 | } 75 | 76 | func GetBarrageChatInfo(roomStr string) (*ChatInfo, error) { 77 | km := url.Values{} 78 | km.Add("roomid", roomStr) 79 | km.Add("_", strconv.Itoa(int(time.Now().Unix()))) 80 | 81 | api := "http://www.panda.tv/ajax_chatinfo?" + km.Encode() 82 | body, err := doHttp(api) 83 | if err != nil { 84 | return nil, err 85 | } 86 | var chatInfo ChatInfo 87 | err = json.Unmarshal(body, &chatInfo) 88 | if err != nil { 89 | return nil, err 90 | } 91 | 92 | km = url.Values{} 93 | km.Add("rid", strconv.Itoa(chatInfo.Data.Rid)) 94 | km.Add("roomid", roomStr) 95 | km.Add("retry", "0") 96 | km.Add("sign", chatInfo.Data.Sign) 97 | km.Add("ts", strconv.Itoa(chatInfo.Data.Ts)) 98 | km.Add("_", strconv.Itoa(int(time.Now().Unix()))) 99 | 100 | api = "http://api.homer.panda.tv/chatroom/getinfo?" + km.Encode() 101 | body, err = doHttp(api) 102 | if err != nil { 103 | return nil, err 104 | } 105 | err = json.Unmarshal(body, &chatInfo) 106 | if err != nil { 107 | return nil, err 108 | } 109 | return &chatInfo, nil 110 | } 111 | --------------------------------------------------------------------------------