func MInit(uri, dbName, k string) error {
DB_NAME = dbName
n := time.Second
var e error
var m_conn *mgo.Session = mcMap[k]
for {
if session, err := mgo.Dial(uri); err != nil {
e = err
} else {
m_conn = session
if err := m_conn.Ping(); err != nil {
e = err
} else {
break
}
}
fmt.Printf("fail to connect mysql,err:%v,uri:%s,try to reconnect in %d second\n", e, uri, n/1000000000)
time.Sleep(n)
n = n * 2
//最大重连间隔时长：10分钟
if n > 600*time.Second {
n = 600 * time.Second
}
}
mcMap[k] = m_conn
return nil
}
func GetMConn(k string) *mgo.Session {
var m_conn *mgo.Session = getMConn(k)
var n = time.Second
for {
if err := m_conn.Ping(); err != nil {
fmt.Printf("mongodb断开连接，%d秒后开始重连", n/time.Second)
m_conn.Refresh()
} else {
if n/time.Second > 1 {
fmt.Printf("重连成功")
}
break
}
fmt.Println("正在尝试重连")
time.Sleep(n)
n = n * 2
//最大重连间隔时长：10分钟
if n > 600*time.Second {
n = 600 * time.Second
}
}
return m_conn
}