func (this *CacheComponent2) MakeCacheMessage(msg *protocol.Message) (*protocol.Message, error) {
data := make([]byte, 8+msg.DataLen)
t := time.Now().UnixNano()
binary.BigEndian.PutUint64(data[:8], uint64(t))
msg.DataLen += 8
msg.MsgType = protocol.MT_PUSH_WITH_RESPONSE
copy(data[8:], msg.Data)
msg.Data = data
return msg, nil
}
func (this *CacheComponent) Save(msg protocol.Message) error {
this.CacheLock.Lock()
defer this.CacheLock.Unlock()
if this.Cache == nil {
this.Cache = make(map[string]CacheDev, 0)
}
if _, ok := this.Cache[msg.DestUuid]; !ok {
val := CacheDev{
MDev: make(map[uint32]*CacheList, 0),
}
this.Cache[msg.DestUuid] = val
}
if _, ok := this.Cache[msg.DestUuid].MDev[msg.DeviceId]; !ok {
val := &CacheList{
List: list.New(),
Total: 0,
}
this.Cache[msg.DestUuid].MDev[msg.DeviceId] = val
}
this.Cache[msg.DestUuid].MDev[msg.DeviceId].Total++
id := this.Cache[msg.DestUuid].MDev[msg.DeviceId].Total
msg.DataLen = 4 + msg.DataLen
buf := make([]byte, msg.DataLen)
binary.BigEndian.PutUint32(buf[0:4], id)
if len(msg.Data) > 0 {
copy(buf[4:msg.DataLen], msg.Data)
}
msg.Data = buf
msg.MsgType = protocol.MT_PUSH_WITH_RESPONSE
msg.PushType = protocol.PT_PUSHSERVER
msg.Number &= HEAD_RESET
e := this.Cache[msg.DestUuid].MDev[msg.DeviceId].List.PushBack(CacheEntry{msg, id})
if e == nil {
err := errors.New("CacheComponent.Save() Error: can not save msg to list")
fmt.Println(err.Error())
return err
}
return nil
}