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Don't panic if no NATS server is configured for clustering

This commit is contained in:
Andreas Neue 2016-08-12 23:49:13 +02:00
parent 8aa7fe1a49
commit ae81e484d3
1 changed files with 11 additions and 2 deletions
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13
cluster.go
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@ -16,9 +16,9 @@ type ClusterConnector struct {
subs map[string]*nats.Subscription
}
func NewClusterConnector(servers string, ssl bool) *ClusterConnector {
func NewClusterConnector(urls string, ssl bool) *ClusterConnector {
opts := nats.DefaultOptions
opts.Servers = strings.Split(servers, ",")
opts.Servers = strings.Split(urls, ",")
for i, s := range opts.Servers {
opts.Servers[i] = strings.Trim(s, " ")
}
@ -32,6 +32,9 @@ func NewClusterConnector(servers string, ssl bool) *ClusterConnector {
}
func (cc *ClusterConnector) Subscribe(subj string, ch chan *irc.Message) {
if cc.conn == nil {
return
}
if _, exists := cc.subs[subj]; exists {
return
}
@ -47,6 +50,9 @@ func (cc *ClusterConnector) Subscribe(subj string, ch chan *irc.Message) {
}
func (cc *ClusterConnector) Unsubscribe(subj string) {
if cc.conn == nil {
return
}
if sub, exists := cc.subs[subj]; exists {
sub.Unsubscribe()
delete(cc.subs, subj)
@ -54,6 +60,9 @@ func (cc *ClusterConnector) Unsubscribe(subj string) {
}
func (cc *ClusterConnector) Publish(msg *irc.Message) {
if cc.conn == nil {
return
}
subj := strings.ToLower(msg.Args[0])
cc.conn.Publish(subj, []byte(msg.String()))
}