From f1cd5a5e3adc85f80ba79b4b75348651865de8c7 Mon Sep 17 00:00:00 2001
From: liuxiaolong <736321739@qq.com>
Date: 星期四, 15 八月 2019 17:21:34 +0800
Subject: [PATCH] rm a.Stop when Join failed
---
agent.go | 59 +++++++++++++++++++++++++++++++++++++++--------------------
1 files changed, 39 insertions(+), 20 deletions(-)
diff --git a/agent.go b/agent.go
index c58270f..bc2585f 100644
--- a/agent.go
+++ b/agent.go
@@ -25,6 +25,7 @@
"io/ioutil"
"net"
"os"
+ "sync"
//"os"
"strings"
@@ -117,14 +118,17 @@
switch ev := event.(type) {
case serf.UserEvent:
- fmt.Println(string(ev.Payload))
- var tmpstringslice []string
- tmpstringslice = append(tmpstringslice, string(ev.Payload))
- fmt.Println(tmpstringslice)
- results, err := ExecuteWriteSql(tmpstringslice)
-
- for _, result := range results {
- fmt.Println(result, "results err: ", err)
+ //fmt.Println(string(ev.Payload))
+ var sqlUe SqlUserEvent
+ err := json.Unmarshal(ev.Payload, &sqlUe)
+ if err !=nil {
+ fmt.Println("sqlUe unmarshal err:",err)
+ return
+ }
+ if sqlUe.Owner != a.conf.NodeName {
+ //results, err := ExecuteWriteSql(sqlArr)
+ flag, _ := ExecuteSqlByGorm(sqlUe.Sql)
+ fmt.Println("userEvent exec ",sqlUe.Sql,",Result:",flag)
}
case *serf.Query:
@@ -418,7 +422,7 @@
//GetDbFromCluster get the newest database after join cluster
//dbPathWrite the path where to write after got a database,
-func (a *Agent) GetTableDataFromCluster(tableNames []string) error {
+func (a *Agent) GetTableDataFromCluster(tableNames []string) (*[]string,error) {
//members: get name of first member
mbs := a.GroupMembers(a.conf.ClusterID)
var specmembername string
@@ -445,26 +449,27 @@
}
fmt.Println("Query.resp.err:",err,"resp:",resp)
+ var wg sync.WaitGroup
+ wg.Add(1)
+ var dumpSqls []string
go func() {
+ defer wg.Done()
respCh := resp.ResponseCh()
for {
select {
case r := <-respCh:
- fmt.Println("x length is: ", len(r.Payload))
- // // byte to file.
- var dumpSqls []string
+ fmt.Println("Query response's len:", len(r.Payload))
err := json.Unmarshal(r.Payload, &dumpSqls)
if err ==nil {
fmt.Println("dumpSql:",dumpSqls)
- if flag,_ := ExecuteSqlByGorm(dumpSqls);flag{
- fmt.Println("data dump success")
- }
+ fmt.Println("data dump success")
}
return
}
}
}()
- return err
+ wg.Wait()
+ return &dumpSqls,nil
//r, err = c.Query([]string{query}, false, false)
//if err != nil {
@@ -479,10 +484,24 @@
}
+type SqlUserEvent struct {
+ Owner string `json:"owner"`
+ Sql []string `json:"sql"`
+}
+
//SyncSql boardcast sql to cluster
-func (a *Agent) SyncSql(sqlOp string) {
+func (a *Agent) SyncSql(sqlOp []string) {
// event : use to send command to operate db.
- err := a.UserEvent("SyncSql", []byte(sqlOp), false)
+ var sqlUe = SqlUserEvent{
+ Owner: a.conf.NodeName,
+ Sql: sqlOp,
+ }
+ ueB, err := json.Marshal(sqlUe)
+ if err !=nil {
+ fmt.Println("sqlUE marshal err:",err)
+ return
+ }
+ err = a.UserEvent("SyncSql", ueB, false)
if err == nil || !strings.Contains(err.Error(), "cannot contain") {
fmt.Println("err: ", err)
}
@@ -554,8 +573,8 @@
n, err := a.Agent.Join(nodes, true)
if err != nil || n == 0 {
- a.Stop()
- fmt.Println("Stop node")
+ //a.Stop()
+ //fmt.Println("Stop node")
return fmt.Errorf("Error Encrypt Key!")
}
--
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