func (c *serverConn) OnPacket(r *parser.PacketDecoder) {
if s := c.getState(); s != stateNormal && s != stateUpgrading {
return
}
switch r.Type() {
case parser.OPEN:
case parser.CLOSE:
c.getCurrent().Close()
case parser.PING:
t := c.getCurrent()
u := c.getUpgrade()
newWriter := t.NextWriter
if u != nil {
if w, _ := t.NextWriter(message.MessageText, parser.NOOP); w != nil {
w.Close()
}
newWriter = u.NextWriter
}
if w, _ := newWriter(message.MessageText, parser.PONG); w != nil {
io.Copy(w, r)
w.Close()
}
fallthrough
case parser.PONG:
c.pingChan <- true
case parser.MESSAGE:
closeChan := make(chan struct{})
c.readerChan <- newConnReader(r, closeChan)
<-closeChan
close(closeChan)
r.Close()
case parser.UPGRADE:
c.upgraded()
case parser.NOOP:
}
}