68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
// vim:ts=4:sts=4:sw=4:noet:tw=72
|
|
|
|
package irc
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"git.dnix.de/an/xlog"
|
|
|
|
nats "github.com/nats-io/nats.go"
|
|
)
|
|
|
|
type ClusterConnector struct {
|
|
conn *nats.Conn
|
|
subs map[string]*nats.Subscription
|
|
}
|
|
|
|
func NewClusterConnector(urls string, ssl bool) *ClusterConnector {
|
|
opts := nats.DefaultOptions
|
|
opts.Servers = strings.Split(urls, ",")
|
|
for i, s := range opts.Servers {
|
|
opts.Servers[i] = strings.Trim(s, " ")
|
|
}
|
|
opts.Secure = ssl
|
|
conn, err := opts.Connect()
|
|
if err != nil {
|
|
xlog.Error(err.Error())
|
|
}
|
|
subs := make(map[string]*nats.Subscription)
|
|
return &ClusterConnector{conn: conn, subs: subs}
|
|
}
|
|
|
|
func (cc *ClusterConnector) Subscribe(subj string, ch chan *Message) {
|
|
if cc.conn == nil {
|
|
return
|
|
}
|
|
if _, exists := cc.subs[subj]; exists {
|
|
return
|
|
}
|
|
sub, err := cc.conn.Subscribe(subj, func(n *nats.Msg) {
|
|
m := Parse(string(n.Data))
|
|
ch <- m
|
|
})
|
|
if err != nil {
|
|
xlog.Error(err.Error())
|
|
return
|
|
}
|
|
cc.subs[subj] = sub
|
|
}
|
|
|
|
func (cc *ClusterConnector) Unsubscribe(subj string) {
|
|
if cc.conn == nil {
|
|
return
|
|
}
|
|
if sub, exists := cc.subs[subj]; exists {
|
|
sub.Unsubscribe()
|
|
delete(cc.subs, subj)
|
|
}
|
|
}
|
|
|
|
func (cc *ClusterConnector) Publish(msg *Message) {
|
|
if cc.conn == nil {
|
|
return
|
|
}
|
|
subj := strings.ToLower(msg.Args[0])
|
|
cc.conn.Publish(subj, []byte(msg.String()))
|
|
}
|