package cache
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import (
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"basic.com/dbapi.git"
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"basic.com/pubsub/protomsg.git"
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"basic.com/valib/gopherdiscovery.git"
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"basic.com/pubsub/cache.git/shardmap"
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"basic.com/valib/logger.git"
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"errors"
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"github.com/gogo/protobuf/proto"
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"fmt"
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"github.com/satori/go.uuid"
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"strconv"
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)
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const (
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SERVER_KEY = "SERVERINFO"
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)
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var cMap *shardmap.ShardMap
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func Init(initChan chan bool,dbIp string,surveyPort int,pubSubPort int){
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cMap = shardmap.New(uint8(32))
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urlSurvey := "tcp://" + dbIp + ":" + strconv.Itoa(surveyPort)
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urlPubSub := "tcp://" + dbIp + ":" + strconv.Itoa(pubSubPort)
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client, _ := gopherdiscovery.ClientWithSub(urlSurvey, urlPubSub, "webServerProc_"+uuid.NewV4().String())
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recvMsg := client.HeartBeatMsg()
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fmt.Println(<-recvMsg)
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initCacheData(initChan)
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peers, _ := client.Peers()
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for b := range peers{
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updateData(b)
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}
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}
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func initCacheData(initChan chan bool) {
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initServerInfo()//初始化服务器配置信息
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initChan <- true
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}
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var newUpdateMsg = &protomsg.DbChangeMessage{}
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func updateData(b []byte){
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if err :=proto.Unmarshal(b,newUpdateMsg);err !=nil{
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logger.Debug("dbChangeMsg unmarshal err:",err)
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return
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}
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switch newUpdateMsg.Table {
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case protomsg.TableChanged_T_Server:
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initServerInfo()
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default:
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logger.Debug("other updateData operation")
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}
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}
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func initServerInfo() {
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var api dbapi.SysSetApi
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b, s := api.GetServerInfo()
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if b{
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cMap.Set(SERVER_KEY,s)
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}
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}
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func GetServerInfo() (conf protomsg.LocalConfig,err error) {
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config, b := cMap.Get(SERVER_KEY)
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if b {
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return config.(protomsg.LocalConfig),nil
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} else {
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return conf,errors.New("conf not found")
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}
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}
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