259 lines
6.2 KiB
Go
259 lines
6.2 KiB
Go
package player
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import (
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"blazing/common/socket/errorcode"
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"blazing/cool"
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"blazing/logic/service/common"
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"encoding/binary"
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"encoding/hex"
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"sync"
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"context"
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"bytes"
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"fmt"
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"reflect"
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"github.com/bruceshao/lockfree"
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"github.com/gobwas/ws"
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"github.com/gobwas/ws/wsutil"
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"github.com/gogf/gf/v2/os/glog"
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"github.com/lunixbochs/struc"
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"github.com/panjf2000/gnet/v2"
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"github.com/panjf2000/gnet/v2/pkg/logging"
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)
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// getUnderlyingValue 递归解析reflect.Value，解包指针、interface{}到底层具体类型
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func getUnderlyingValue(val reflect.Value) (reflect.Value, error) {
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for {
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switch val.Kind() {
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// 解包指针：获取指针指向的值
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case reflect.Ptr:
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if val.IsNil() {
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return reflect.Value{}, nil
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}
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val = val.Elem()
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// 解包interface{}：获取接口包裹的动态值
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case reflect.Interface:
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if val.IsNil() {
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return reflect.Value{}, nil
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}
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val = val.Elem()
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// 非指针/接口类型，终止递归
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default:
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return val, nil
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}
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}
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}
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// 遍历结构体方法并执行RECV_cmd
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func (h *ClientData) Recv(data common.TomeeHeader) {
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defer func() {
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if err := recover(); err != nil { // 恢复 panic，err 为 panic 错误值
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// 1. 打印错误信息
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cool.Logger.Error(context.TODO(), "panic 错误：", err)
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}
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}()
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cmdlister, ok := cool.CmdCache[data.CMD]
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if !ok {
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// glog.Debug(context.Background(), data.UserID, data.CMD, "cmd未注册")
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return //TODO 待实现cmd未注册
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}
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params := []reflect.Value{}
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//funct := cmdlister.Type().NumIn()
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// 如果需要可设置的变量（用于修改值），创建指针并解引用
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ptrValue := reflect.New(cmdlister.Req)
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tt1 := ptrValue.Elem().Addr().Interface()
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// fmt.Println(tt1)
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err := struc.Unpack(bytes.NewBuffer(data.Data), tt1)
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if err != nil {
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fmt.Println(data.UserID, data.CMD, "解包失败,", hex.EncodeToString(data.Data))
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return
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}
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//fmt.Println(tt1)
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ptrValue1 := ptrValue.Elem().Addr()
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// 设置 Name 字段
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nameField := ptrValue.Elem().Field(0) //首个为header
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nameField.Set(reflect.ValueOf(data))
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if data.CMD > 1001 { //if cmdlister.Type().In(1) == reflect.TypeOf(&Player{}) {
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//t := GetPlayer(c, data.UserID)
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// fmt.Println(data.CMD, "接收 变量的地址 ", &t.Info, t.Info.UserID)
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params = append(params, ptrValue1, reflect.ValueOf(h.Conn.Context().(*ClientData).Player))
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} else {
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params = append(params, ptrValue1, reflect.ValueOf(h.Conn))
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}
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ret := cmdlister.Func.Call(params)
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if len(ret) <= 0 { //如果判断没有参数,那就说明这个包没有返回参数
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return
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}
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aa, ok := ret[1].Interface().(errorcode.ErrorCode) //判断错误
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data.Result = uint32(aa)
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if aa == -1 {
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return
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}
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t, cok := h.Conn.Context().(*ClientData)
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if !cok { //如果链接断开，就返回
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return
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}
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if ok && aa != 0 { //这里实现回复错误包
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glog.Info(context.Background(), data.UserID, data.CMD, aa.Code())
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t.SendPack(data.Pack(nil))
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return
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}
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t1 := data.Pack(ret[0].Interface())
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//cool.Loger.Debug(context.Background(), "发送数据_回包", data.UserID, data.CMD, ret[0].Interface(), hex.EncodeToString(t1))
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//data.Version = 49
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t.SendPack(t1)
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}
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type ClientData struct {
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IsCrossDomain sync.Once //是否跨域过
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Player *Player //客户实体
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//Mu sync.RWMutex
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ERROR_CONNUT int
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Wsmsg *WsCodec
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Conn gnet.Conn
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//SaveL sync.Once //保存锁
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LF *lockfree.Lockfree[[]byte]
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//SaveDone chan struct{}
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}
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func NewClientData(c gnet.Conn) *ClientData {
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// 创建事件处理器
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// 创建消费端串行处理的Lockfree
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cd := &ClientData{
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Conn: c,
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Wsmsg: &WsCodec{},
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}
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cd.LF = lockfree.NewLockfree[[]byte](
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8,
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cd,
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lockfree.NewConditionBlockStrategy(),
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)
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// 启动Lockfree
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if err := cd.LF.Start(); err != nil {
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panic(err)
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}
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return cd
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}
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func XORDecrypt(encryptedData []byte, keyStr string) []byte {
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if len(encryptedData) == 0 || keyStr == "" {
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return []byte{}
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}
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// 1. 将密钥字符串转换为UTF-8字节数组（对应AS3的writeUTFBytes(_arg_2)）
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keyBytes := []byte(keyStr) // Go中string转[]byte默认是UTF-8编码，与AS3的writeUTFBytes一致
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keyLen := len(keyBytes)
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if keyLen == 0 {
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return encryptedData // 空密钥不加密，直接返回
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}
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// 2. 执行异或操作（与加密逻辑一致，异或两次还原数据）
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decrypted := make([]byte, len(encryptedData))
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for i, b := range encryptedData {
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// 循环复用密钥字节（索引取模）
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keyIndex := i % keyLen
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decrypted[i] = b ^ keyBytes[keyIndex]
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}
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return decrypted
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}
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func (h *ClientData) OnEvent(v []byte) {
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defer func() {
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if err := recover(); err != nil { // 恢复 panic，err 为 panic 错误值
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// 1. 打印错误信息
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cool.Logger.Error(context.TODO(), "panic 错误：", err)
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}
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}()
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t, ok := h.Conn.Context().(*ClientData)
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if !ok {
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return
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}
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var header common.TomeeHeader
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// 解析Len（0-3字节）
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header.Len = binary.BigEndian.Uint32(v[0:4])
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// 解析Version（第4字节）
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header.Version = v[4]
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// 解析CMD（5-8字节）
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header.CMD = binary.BigEndian.Uint32(v[5:9])
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// 解析UserID（9-12字节）
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header.UserID = binary.BigEndian.Uint32(v[9:13])
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// 解析Result（13-16字节）
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header.Result = binary.BigEndian.Uint32(v[13:17])
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// 解析数据部分（17字节之后）
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if len(v) > 17 {
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header.Data = XORDecrypt(v[17:], "CWF")
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} else {
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header.Data = []byte{} // 数据部分为空时显式初始化
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}
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if header.CMD > 1001 {
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if t.Player == nil {
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fmt.Println(header.UserID, "账号未注册")
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return
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}
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if t.Player.Info == nil {
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fmt.Println(header.UserID, "未创建角色")
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return
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}
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}
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if cool.Config.ServerInfo.IsDebug != 0 {
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fmt.Println("接收数据", header.UserID, header.CMD)
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}
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h.Recv(header)
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}
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func (p *ClientData) SendPack(b []byte) error {
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if _, ok := p.Conn.Context().(*ClientData); !ok {
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return fmt.Errorf("链接错误,取消发包")
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}
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if p.Conn.Context().(*ClientData).Wsmsg.Upgraded {
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// This is the echo server
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err := wsutil.WriteServerMessage(p.Conn, ws.OpBinary, b)
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if err != nil {
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logging.Infof("conn[%v] [err=%v]", p.Conn.RemoteAddr().String(), err.Error())
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return err
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}
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} else {
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err := p.Conn.AsyncWrite(b, nil)
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if err != nil {
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glog.Debug(context.Background(), err)
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}
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}
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return nil
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}
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