func (this *Peer) connect() (err error) {
//bind local addr since we will use this for peer addr on remote server
laddr, err := net.ResolveTCPAddr("tcp", config.PushdConf.TcpListenAddr)
if err != nil {
panic(err)
}
laddr.Port = 0
dialer := &net.Dialer{LocalAddr: laddr}
this.Conn, err = dialer.Dial("tcp", this.addr)
if err != nil {
log.Warn("s2s connect to %s error: %s", this.addr, err.Error())
}
if this.Conn != nil {
// just wait for s2s server close the connection
go func() {
for {
input := make([]byte, 1460)
_, err = this.Conn.Read(input)
if err != nil {
this.Conn.Close()
return
}
}
}()
}
return
}
func (this Parser) match(txt, tp string) bool {
re, exists := this.Regexps[tp]
if !exists {
log.Warn("regexp not found for %s", tp)
}
return re.MatchString(txt)
}
func (this *Parser) parse(txt, tp string) []string {
re, exists := this.Regexps[tp]
if !exists {
log.Warn("regexp not found for %s", tp)
}
match := re.FindAllStringSubmatch(txt, -1)
for _, r := range match {
for _, rr := range r {
log.Debug(rr)
}
}
if len(match) < 1 || len(match[0]) < 2 {
return []string{}
}
return match[0][1:]
}
func (this *Peer) writeMsg(msg string) {
var err error
if this.Conn != nil {
_, err = this.Write([]byte(msg))
}
if err != nil || this.Conn == nil {
// retry
for i := 0; i < RETRY_CNT; i++ {
err = this.connect()
if err != nil {
log.Warn("write to peer %s error: %s", this.addr, err.Error())
} else {
if this.Conn != nil {
_, err = this.Write([]byte(msg))
if err == nil {
break
}
}
}
}
}
}
func (this *Forwarder) reconnect() {
if this.Conn != nil {
this.Conn.Close()
}
conn, err := net.Dial("tcp", this.config.ToAddr)
if err != nil {
log.Error(err)
}
this.Conn = conn
if conn != nil {
go func() {
for {
_, err := this.Conn.Read(make([]byte, 1000))
if err != nil {
log.Warn(err)
}
this.Conn.Close()
break
}
}()
}
}