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Use fresh cluster state after sleeping

This commit is contained in:
Vladimir Mihailenco 2018-02-27 14:50:08 +02:00
parent 9df09066e2
commit cc47cf2439
1 changed files with 16 additions and 17 deletions
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33
cluster.go
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@ -682,18 +682,23 @@ func (c *ClusterClient) Process(cmd Cmder) error {
}
func (c *ClusterClient) defaultProcess(cmd Cmder) error {
_, node, err := c.cmdSlotAndNode(cmd)
if err != nil {
cmd.setErr(err)
return err
}
var node *clusterNode
var ask bool
for attempt := 0; attempt <= c.opt.MaxRedirects; attempt++ {
if attempt > 0 {
time.Sleep(c.retryBackoff(attempt))
}
if node == nil {
var err error
_, node, err = c.cmdSlotAndNode(cmd)
if err != nil {
cmd.setErr(err)
break
}
}
var err error
if ask {
pipe := node.Client.Pipeline()
_ = pipe.Process(NewCmd("ASKING"))
@ -717,9 +722,8 @@ func (c *ClusterClient) defaultProcess(cmd Cmder) error {
}
if internal.IsRetryableError(err, true) {
var nodeErr error
node, nodeErr = c.nodes.Random()
if nodeErr != nil {
node, err = c.nodes.Random()
if err != nil {
break
}
continue
@ -731,20 +735,15 @@ func (c *ClusterClient) defaultProcess(cmd Cmder) error {
if moved || ask {
c.lazyReloadState()
var nodeErr error
node, nodeErr = c.nodes.GetOrCreate(addr)
if nodeErr != nil {
node, err = c.nodes.GetOrCreate(addr)
if err != nil {
break
}
continue
}
if err == pool.ErrClosed {
_, node, err = c.cmdSlotAndNode(cmd)
if err != nil {
cmd.setErr(err)
break
}
node = nil
continue
}