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|
package xmpp
import (
"crypto/tls"
"crypto/x509"
"log"
)
type Event uint8
const (
DisconnectEvent Event = iota
ConnectEvent
ShouldDisconnectEvent
)
type Conn struct {
ch chan Event
jid, pwd string
tcp *tls.Conn
enc encoder
}
func NewConn(ch chan Event, jid string, pwd string) *Conn {
c := Conn{
ch: ch,
jid: jid,
pwd: pwd}
return &c
}
func (c *Conn) Connect() error {
var err error
domain := domainpart(c.jid)
roots, err := x509.SystemCertPool()
if err != nil {
log.Println(err)
return err
}
c.tcp, err = tls.Dial("tcp", domain+":"+"5223", &tls.Config{RootCAs: roots})
if err != nil {
log.Println(err)
return err
}
return nil
}
func (c *Conn) Disconnect() {
c.tcp.Close()
}
func (c *Conn) Run() {
err := c.Connect()
if err != nil {
return
}
defer c.Disconnect()
decoder := newDecoder(c.tcp)
go decoder.run()
defer decoder.stop()
c.enc = newEncoder(c.tcp)
defer c.enc.Close()
tr := newTokenRouter()
end := sendStreamStart(&c.enc, c.jid)
defer sendStreamEnd(&c.enc, end)
c.ch <- ConnectEvent
defer func() { c.ch <- DisconnectEvent }()
for {
select {
case ev := <-c.ch:
switch ev {
case ShouldDisconnectEvent:
return
default:
log.Printf("Unknown Event '%d'!\n", ev)
}
case token := <-decoder.data:
err = tr.route(token, c)
if err != nil {
log.Println(err)
return
}
}
}
}
|
