From aaa2b8f734e8a2f8cc4d57a8e8adfc2fe5da77d9 Mon Sep 17 00:00:00 2001
From: liuxiaolong <736321739@qq.com>
Date: 星期三, 13 五月 2020 11:50:34 +0800
Subject: [PATCH] rm ExecuteSql when recv UserEvent
---
agent.go | 144 +++++++++++++++++++++++++++--------------------
1 files changed, 83 insertions(+), 61 deletions(-)
diff --git a/agent.go b/agent.go
index f6657d6..c3b488c 100644
--- a/agent.go
+++ b/agent.go
@@ -36,6 +36,7 @@
"github.com/hashicorp/serf/serf"
//"github.com/apache/servicecomb-service-center/pkg/log"
"log"
+ "runtime/debug"
)
const (
@@ -61,15 +62,15 @@
}
// Create create serf agent with config
-func Create(conf *Config) (*Agent, error) {
+func Create(conf *Config, snapshotPath string) (*Agent, error) {
// config cover to serf config
- serfConf, err := conf.convertToSerf()
+ serfConf, err := conf.convertToSerf(snapshotPath)
if err != nil {
return nil, err
}
// create serf agent with serf config
- fmt.Println("conf.Config.EncryptKey:", conf.EncryptKey)
+ //fmt.Println("conf.Config.EncryptKey:", conf.EncryptKey)
serfAgent, err := agent.Create(conf.Config, serfConf, nil)
if err != nil {
return nil, err
@@ -77,12 +78,12 @@
// Create the keyring
keyring, err := memberlist.NewKeyring(nil, []byte(conf.EncryptKey))
if err != nil {
- fmt.Printf("Failed to restore keyring: %s", err)
+ //fmt.Printf("Failed to restore keyring: %s", err)
return nil, err
}
serfConf.MemberlistConfig.Keyring = keyring
- fmt.Printf("[INFO] agent: Restored keyring with %d keys from %s",
- len(conf.EncryptKey), conf.EncryptKey)
+ //fmt.Printf("[INFO] agent: Restored keyring with %d keys from %s",
+ // len(conf.EncryptKey), conf.EncryptKey)
return &Agent{
Agent: serfAgent,
@@ -94,6 +95,9 @@
// Start agent
func (a *Agent) Start(ctx context.Context) {
+ log.Println("aaaaaaaaa")
+ log.Println(string(debug.Stack()))
+ //debug.PrintStack()
err := a.Agent.Start()
if err != nil {
log.Println(err, "start serf agent failed")
@@ -113,6 +117,20 @@
go a.BroadcastMemberlist(BroadcastInterval * time.Second)
}
+// define call back interface
+type ReceiveSqlInterface interface {
+ Forward(content string)
+}
+
+// callback instance
+var receiveSqlInterface ReceiveSqlInterface
+
+// save the callback instance
+func RegisterReceiveSqlInterface(c ReceiveSqlInterface) {
+ receiveSqlInterface = c
+}
+
+
// HandleEvent Handles serf.EventMemberJoin events,
// which will wait for members to join until the number of group members is equal to "groupExpect"
// when the startup mode is "ModeCluster",
@@ -123,16 +141,19 @@
case serf.UserEvent:
if ev.Name == UserEventSyncSql {
var sqlUe SqlUserEvent
- fmt.Println(string(ev.Payload))
+ //fmt.Println(string(ev.Payload))
err := json.Unmarshal(ev.Payload, &sqlUe)
if err != nil {
- fmt.Println("sqlUe unmarshal err:", err)
+ //fmt.Println("sqlUe unmarshal err:", err)
return
}
if sqlUe.Owner != a.conf.NodeName {
- results, _ := ExecuteWriteSql(sqlUe.Sql, true)
+ //ExecuteWriteSql(sqlUe.Sql, true)
//flag, _ := ExecuteSqlByGorm(sqlUe.Sql)
- fmt.Println("userEvent exec ", sqlUe.Sql, ",Result:", results)
+ //fmt.Println("userEvent exec 1 ", sqlUe.Sql, ",Result:", results)
+ if receiveSqlInterface != nil && sqlUe.Sql !=nil && len(sqlUe.Sql) > 0 {
+ receiveSqlInterface.Forward(sqlUe.Sql[0])
+ }
}
}
@@ -142,39 +163,43 @@
//bak file and send resp
filename, err := BakDbFile()
if err != nil {
- fmt.Println("bak db file error!")
+ //fmt.Println("bak db file error!")
return
}
- fmt.Println(filename)
+ //fmt.Println(filename)
filebuf, err := ioutil.ReadFile(filename)
- fmt.Println("filebuf: ", len(filebuf))
+ //fmt.Println("filebuf: ", len(filebuf))
if err != nil {
- fmt.Printf("file to []bytes error: %s\n", err)
+ //fmt.Printf("file to []bytes error: %s\n", err)
return
}
err = os.Remove(filename)
if err != nil {
- fmt.Printf("remove file%s\n failed", filename)
+ //fmt.Printf("remove file%s\n failed", filename)
return
}
- fmt.Println("query payload: ", len(ev.Payload))
+ //fmt.Println("query payload: ", len(ev.Payload))
if query, ok := event.(*serf.Query); ok {
if err := query.Respond(filebuf); err != nil {
- fmt.Printf("err: %s\n", err)
+ //fmt.Printf("err: %s\n", err)
return
}
}
} else if ev.Name == QueryEventUpdateDBData {
- fmt.Println(string(ev.Payload))
- var tmpstringslice []string
- tmpstringslice = append(tmpstringslice, string(ev.Payload))
- fmt.Println(tmpstringslice)
- rows, err := ExecuteQuerySql(tmpstringslice)
+ //fmt.Println(string(ev.Payload))
+ var tableNames []string
+ err := json.Unmarshal(ev.Payload, &tableNames)
+ if err !=nil {
+ //fmt.Println("Query tableNames unmarshal err")
+ return
+ }
+
+ rows, err := ExecuteQuerySql(tableNames)
if err != nil {
- fmt.Println("err: ", err)
+ //fmt.Println("err: ", err)
return
}
var rowsReturn []Rows
@@ -183,35 +208,32 @@
}
bytesReturn, err := json.Marshal(rowsReturn)
- fmt.Println("results: ", bytesReturn)
+ //fmt.Println("results: ", bytesReturn)
if query, ok := event.(*serf.Query); ok {
if err := query.Respond(bytesReturn); err != nil {
- fmt.Printf("err: %s\n", err)
+ //fmt.Printf("err: %s\n", err)
return
}
}
-
- //var res []*Rows
- //json.Unmarshal(bytesReturn, &res)
}
case serf.MemberEvent:
if event.EventType() == serf.EventMemberLeave {
if ev.Members != nil && len(ev.Members) == 1 {
leaveMember := ev.Members[0]
leaveSql := "delete from cluster_node where node_id='" + leaveMember.Name + "'"
- fmt.Println("leaveSql:", leaveSql)
+ //fmt.Println("leaveSql:", leaveSql)
_, err := ExecuteWriteSql([]string{leaveSql}, false)
if err != nil {
- fmt.Printf("err: %s\n", err)
+ //fmt.Printf("err: %s\n", err)
}
- fmt.Println("EventMemberLeave,current Members:", ev.Members)
+ //fmt.Println("EventMemberLeave,current Members:", ev.Members)
}
return
}
default:
- fmt.Printf("Unknown event type: %s\n", ev.EventType().String())
+ //fmt.Printf("Unknown event type: %s\n", ev.EventType().String())
}
}
@@ -220,7 +242,7 @@
serf := a.Agent.Serf()
mb := serf.LocalMember()
mblist := serf.Memberlist()
- fmt.Println("mb:", mb)
+ //fmt.Println("mb:", mb)
// copy local node
localNode := *mblist.LocalNode()
@@ -241,7 +263,7 @@
//localNode.Addr = net.IPv4(255,255,255,255)
localNode.Port = BroadcastPort
for {
- // fmt.Printf("localNode: %v %v\n", nodeName, nodeAddress)
+ // //fmt.Printf("localNode: %v %v\n", nodeName, nodeAddress)
mblist.SendBestEffort(&localNode, []byte(message))
time.Sleep(delay)
}
@@ -379,7 +401,7 @@
break
}
}
- fmt.Println(specmembername)
+ //fmt.Println(specmembername)
//query: get db file.
params := serf.QueryParam{
@@ -388,7 +410,7 @@
resp, err := a.Query(QueryEventGetDB, []byte(""), ¶ms)
if err == nil || !strings.Contains(err.Error(), "cannot contain") {
- fmt.Println("err: ", err)
+ //fmt.Println("err: ", err)
}
go func() {
@@ -396,18 +418,18 @@
for {
select {
case r := <-respCh:
- fmt.Println("x length is: ", len(r.Payload))
+ //fmt.Println("x length is: ", len(r.Payload))
// // byte to file.
SerfDbConn.Close()
SerfDbConn = nil
err = ioutil.WriteFile(dbPathWrite, r.Payload, 0644)
if err != nil {
- fmt.Println("query byte to file error!", err)
+ //fmt.Println("query byte to file error!", err)
}
err := InitDbConn("")
if err != nil {
- fmt.Println("create db conn of test.db error: ", err)
+ //fmt.Println("create db conn of test.db error: ", err)
}
return
}
@@ -422,7 +444,7 @@
mbs := a.GroupMembers(a.conf.ClusterID)
var specmembername string
for _, m := range mbs {
- fmt.Println("m", m)
+ //fmt.Println("m", m)
if m.Name != a.conf.NodeName { //鍓嶇紑锛欴SVAD:鍒嗘瀽鏈嶅姟鍣� DSPAD:杩涘嚭鍏ad
if strings.HasPrefix(a.conf.NodeName, "DSVAD"){
if strings.HasPrefix(m.Name, "DSVAD") {
@@ -435,7 +457,7 @@
}
}
}
- fmt.Println("mbs:", mbs, "a.conf.BindAddr:", a.conf.BindAddr, "specmembername:", specmembername)
+ //fmt.Println("mbs:", mbs, "a.conf.BindAddr:", a.conf.BindAddr, "specmembername:", specmembername)
//query: get db file.
params := serf.QueryParam{
@@ -447,9 +469,9 @@
resp, err := a.Query(QueryEventUpdateDBData, tBytes, ¶ms)
if err == nil || !strings.Contains(err.Error(), "cannot contain") {
- fmt.Println("err: ", err)
+ //fmt.Println("err: ", err)
}
- fmt.Println("Query.resp.err:", err, "resp:", resp)
+ //fmt.Println("Query.resp.err:", err, "resp:", resp)
var wg sync.WaitGroup
wg.Add(1)
@@ -460,11 +482,11 @@
for {
select {
case r := <-respCh:
- fmt.Println("Query response's len:", len(r.Payload))
+ //fmt.Println("Query response's len:", len(r.Payload))
err := json.Unmarshal(r.Payload, &dumpSqls)
if err == nil {
- fmt.Println("dumpSql:", dumpSqls)
- fmt.Println("data dump success")
+ //fmt.Println("dumpSql:", dumpSqls)
+ //fmt.Println("data dump success")
}
return
}
@@ -488,26 +510,26 @@
}
ueB, err := json.Marshal(sqlUe)
if err != nil {
- fmt.Println("sqlUE marshal err:", err)
+ //fmt.Println("sqlUE marshal err:", err)
return
}
err = a.UserEvent(UserEventSyncSql, ueB, false)
if err == nil || !strings.Contains(err.Error(), "cannot contain") {
- fmt.Println("err: ", err)
+ //fmt.Println("err: ", err)
}
}
//Init serf Init
-func Init(clusterID string, password string, nodeID string, addrs []string) (*Agent, error) {
- agent, err := InitNode(clusterID, password, nodeID)
+func Init(clusterID string, password string, nodeID string, addrs []string, snapshotPath string) (*Agent, error) {
+ agent, err := InitNode(clusterID, password, nodeID, snapshotPath)
if err != nil {
- fmt.Printf("InitNode failed, error: %s", err)
+ //fmt.Printf("InitNode failed, error: %s", err)
return agent, err
}
err = agent.JoinByNodeAddrs(addrs)
if err != nil {
- fmt.Printf("JoinByNodeIP failed, error: %s", err)
+ //fmt.Printf("JoinByNodeIP failed, error: %s", err)
return agent, err
}
@@ -515,9 +537,9 @@
}
//InitNode web鍚庡彴鏀跺埌鍒涘缓闆嗙兢鐨勮姹傦紝
-func InitNode(clusterID string, password string, nodeID string) (*Agent, error) {
+func InitNode(clusterID string, password string, nodeID string, snapshotPath string) (*Agent, error) {
conf := DefaultConfig()
- fmt.Println("clusterID:", clusterID, "password:", password, "nodeID:", nodeID)
+ //fmt.Println("clusterID:", clusterID, "password:", password, "nodeID:", nodeID)
conf.ClusterID = clusterID
conf.NodeName = nodeID
if password == "" {
@@ -531,9 +553,9 @@
}
conf.EncryptKey = password
}
- agent, err := Create(conf)
+ agent, err := Create(conf, snapshotPath)
if err != nil {
- fmt.Printf("create agent failed, error: %s", err)
+ //fmt.Printf("create agent failed, error: %s", err)
return agent, err
}
@@ -543,9 +565,9 @@
agent.ShutdownCh()
}()
time.Sleep(time.Second)
- fmt.Println("Stats:", agent.Agent.Serf().Stats())
- fmt.Println("EncryptionEnabled:", agent.Agent.Serf().EncryptionEnabled())
- fmt.Println("create agent sucess!!")
+ //fmt.Println("Stats:", agent.Agent.Serf().Stats())
+ //fmt.Println("EncryptionEnabled:", agent.Agent.Serf().EncryptionEnabled())
+ //fmt.Println("create agent sucess!!")
return agent, nil
}
@@ -586,7 +608,7 @@
func (a *Agent) GetNodes() (nodes []NodeInfo) {
var node NodeInfo
- fmt.Println("a.conf.ClusterID:", a.conf.ClusterID)
+ //fmt.Println("a.conf.ClusterID:", a.conf.ClusterID)
mbs := a.GroupMembers(a.conf.ClusterID)
for _, mb := range mbs {
node.NodeID = mb.Name
@@ -598,4 +620,4 @@
}
return nodes
-}
+}
\ No newline at end of file
--
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