2021-03-28 16:04:42 +08:00
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// Package websocket...
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//
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// Description : websocket...
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 2021-03-27 6:49 下午
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package websocket
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import (
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"fmt"
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"sync"
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2021-04-17 21:41:40 +08:00
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"github.com/go-developer/gopkg/logger"
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"go.uber.org/zap"
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2021-04-17 15:04:43 +08:00
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"github.com/go-developer/websocket/message"
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"github.com/go-developer/websocket/config"
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2021-04-09 16:08:00 +08:00
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"github.com/tidwall/gjson"
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2021-04-08 18:36:17 +08:00
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"github.com/go-developer/websocket/storage"
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2021-03-28 16:04:42 +08:00
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"github.com/go-developer/websocket/context"
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"gopkg.in/olahol/melody.v1"
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"github.com/go-developer/gopkg/easylock"
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"github.com/gin-gonic/gin"
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"github.com/go-developer/websocket/abstract"
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"github.com/pkg/errors"
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)
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// Server ...
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 8:04 下午 2021/3/27
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type Server struct {
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2021-04-17 21:41:40 +08:00
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ginRouter *gin.Engine // GIN引擎
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wsServer *melody.Melody // websocket引擎
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conf *config.WSServerConfig // 配置
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loggerInstance *zap.Logger // 日志实例
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2021-03-28 16:04:42 +08:00
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}
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var (
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// ginRouterTable 表
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ginRouterTable map[int]*Server
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// commandTable 指令表
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commandTable map[string]map[string]abstract.ICommand
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// 服务启停的信号
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sigChan = make(chan int, 0)
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)
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// NewWebsocketServe 启动websocket服务
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 6:49 下午 2021/3/27
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func NewWebsocketServe(wsInstanceList ...abstract.IWebsocket) error {
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if len(wsInstanceList) == 0 {
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return errors.WithStack(errors.New("register websocket server list is empty"))
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}
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lock := easylock.NewLock()
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ginRouterTable = make(map[int]*Server)
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commandTable = make(map[string]map[string]abstract.ICommand)
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wg := &sync.WaitGroup{}
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wg.Add(len(wsInstanceList))
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for _, wsInstance := range wsInstanceList {
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go func(wsInstance abstract.IWebsocket) {
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defer wg.Done()
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// 初始化ws server
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_ = lock.Lock()
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2021-03-28 16:04:42 +08:00
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if _, exist := ginRouterTable[wsInstance.GetServerPort()]; !exist {
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2021-04-17 21:41:40 +08:00
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wsSetConfigList := wsInstance.GetWSServerConfig()
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if nil == wsSetConfigList {
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wsSetConfigList = make([]config.SetWSServerConfig, 0)
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}
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s := &Server{
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ginRouter: gin.Default(),
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wsServer: melody.New(),
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conf: config.NewWSServerConfig(wsSetConfigList...),
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}
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if s.conf.LogEnable {
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// 开启了日志,初始化日志
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if len(s.conf.LogPath) == 0 {
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panic(wsInstance.GetModuleFlag() + " 模块开启了日志记录,但是没有配置日志路径")
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}
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var (
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err error
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logConf *logger.RotateLogConfig
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)
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optionList := make([]logger.SetLoggerOptionFunc, 0)
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if s.conf.LogConsole {
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optionList = append(optionList, logger.WithConsoleOutput())
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}
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if s.conf.LogConsole {
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optionList = append(optionList, logger.WithConsoleOutput())
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}
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if logConf, err = logger.NewRotateLogConfig(s.conf.LogPath, s.conf.LogFile, logger.WithTimeIntervalType(s.conf.LogSplitInterval)); nil != err {
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panic(wsInstance.GetModuleFlag() + " 模块开启了日志记录,日志初始化失败, 失败原因 : " + err.Error())
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}
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if s.loggerInstance, err = logger.NewLogger(s.conf.LogLevel, logConf, optionList...); nil != err {
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panic(wsInstance.GetModuleFlag() + " 模块开启了日志记录,日志初始化失败, 失败原因 : " + err.Error())
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}
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}
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if nil == s.loggerInstance && s.conf.LogConsole {
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var err error
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// 没有配置文件日志, 但是配置了控制台输出
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if s.loggerInstance, err = logger.NewConsoleLogger(s.conf.LogLevel); nil != err {
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panic(wsInstance.GetModuleFlag() + " 模块开启了控制台日志记录,日志初始化失败, 失败原因 : " + err.Error())
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}
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}
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ginRouterTable[wsInstance.GetServerPort()] = s
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}
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if _, exist := commandTable[wsInstance.GetModuleFlag()]; !exist {
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commandTable[wsInstance.GetModuleFlag()] = make(map[string]abstract.ICommand)
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}
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_ = lock.Unlock()
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routerGroup := ginRouterTable[wsInstance.GetServerPort()].ginRouter.Group(wsInstance.GetModuleFlag())
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// 注册路由
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for _, path := range wsInstance.HandshakeURL() {
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routerGroup.GET(path, func(ctx *gin.Context) {
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parameter := map[string]interface{}{
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"ws_context": context.NewContext(ctx, wsInstance.GetModuleFlag(), nil),
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}
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_ = ginRouterTable[wsInstance.GetServerPort()].wsServer.HandleRequestWithKeys(ctx.Writer, ctx.Request, parameter)
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})
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}
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// 注册回调函数
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// 1. 建立连接的函数
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ginRouterTable[wsInstance.GetServerPort()].wsServer.HandleConnect(func(session *melody.Session) {
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ctxInterface, _ := session.Get("ws_context")
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ctx := ctxInterface.(*context.WSContext)
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ctx.Session = session
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if err := wsInstance.Connect(ctx); nil == err {
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2021-04-17 23:14:54 +08:00
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if ginRouterTable[wsInstance.GetServerPort()].conf.StoreConnection && nil != storage.Connection {
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storage.Connection.Store(ctx)
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}
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}
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})
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// 2. 指令处理的函数
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ginRouterTable[wsInstance.GetServerPort()].wsServer.HandleMessage(func(session *melody.Session, bytes []byte) {
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// TODO : 增加指令回调失败的callback
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ctxInterface, _ := session.Get("ws_context")
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ctx := ctxInterface.(*context.WSContext)
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_ = dispatchCommand(ctx, bytes)
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})
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// 3, 关闭连接的处理函数
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ginRouterTable[wsInstance.GetServerPort()].wsServer.HandleClose(func(session *melody.Session, i int, s string) error {
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ctxInterface, _ := session.Get("ws_context")
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ctx := ctxInterface.(*context.WSContext)
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defer func() {
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if !ginRouterTable[wsInstance.GetServerPort()].conf.StoreConnection || nil == storage.Connection {
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return
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}
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storage.Connection.Del(ctx)
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}()
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return wsInstance.Close(ctx, i, s)
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})
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// 4. 断开连接的处理函数
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ginRouterTable[wsInstance.GetServerPort()].wsServer.HandleDisconnect(func(session *melody.Session) {
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ctxInterface, _ := session.Get("ws_context")
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ctx := ctxInterface.(*context.WSContext)
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defer func() {
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if nil == storage.Connection {
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return
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}
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storage.Connection.Del(ctx)
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}()
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wsInstance.Disconnect(ctx)
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})
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// 注册指令
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for _, cmd := range wsInstance.GetCommandList() {
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if nil != ginRouterTable[wsInstance.GetServerPort()].loggerInstance {
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ginRouterTable[wsInstance.GetServerPort()].loggerInstance.Debug(
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"长连接指令注册成功",
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zap.String("module", wsInstance.GetModuleFlag()),
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zap.String("command", cmd.GetCommand()),
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)
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}
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commandTable[wsInstance.GetModuleFlag()][cmd.GetCommand()] = cmd
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}
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go func() {
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if err := ginRouterTable[wsInstance.GetServerPort()].ginRouter.Run(fmt.Sprintf(":%d", wsInstance.GetServerPort())); nil != err {
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panic(err)
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}
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}()
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}(wsInstance)
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}
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wg.Wait()
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run()
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return nil
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}
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// dispatchCommand 调度command ...
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 3:36 下午 2021/3/28
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func dispatchCommand(ctx *context.WSContext, data []byte) error {
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if _, exist := commandTable[ctx.Flag]; !exist {
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return errors.WithStack(errors.New("未注册【" + ctx.Flag + "】长连接模块"))
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}
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cmd := gjson.Get(string(data), "command").String()
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var (
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exist bool
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cmdInstance abstract.ICommand
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cmdConfig *config.CommandConfig
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err error
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)
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if cmdInstance, exist = commandTable[ctx.Flag][cmd]; !exist {
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return errors.WithStack(errors.New("【" + ctx.Flag + "】长连接模块未注册【" + cmd + "】指令"))
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}
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optionList := cmdInstance.GetConfigOption()
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if nil == optionList {
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optionList = make([]config.SetCommandConfig, 0)
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}
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cmdConfig = config.NewCommandConfig(optionList...)
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if err = cmdInstance.Execute(ctx, data); nil != err {
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if cmdConfig.PushMessageWithError {
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_ = message.Response(ctx, map[string]interface{}{
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"command": cmd,
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"message": err.Error(),
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"success": false,
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})
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}
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return err
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}
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return nil
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2021-03-28 16:04:42 +08:00
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}
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func run() {
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<-sigChan
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// TODO : 增加后置hook
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}
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// Stop 停止服务
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 3:55 下午 2021/3/28
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func Stop() {
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sigChan <- 1
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}
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