func (rc *ReceiveChannel) receiveTopicFrom(target string) {
readWriter, err := util.Dial(rc.tlsConfig, target)
if err != nil {
log.Printf("Fail to dial receive %s: %v", target, err)
return
}
defer readWriter.Close()
// println("receiving", rc.name, "from", target)
buf := make([]byte, 4)
util.WriteBytes(readWriter, buf, util.NewMessage(util.Data, []byte("GET "+rc.name)))
util.WriteUint64(readWriter, rc.offset)
util.WriteBytes(readWriter, buf, util.NewMessage(util.Data, []byte("ok")))
ticker := time.NewTicker(time.Millisecond * 1100)
defer ticker.Stop()
go func() {
buf := make([]byte, 4)
for range ticker.C {
util.WriteBytes(readWriter, buf, util.NewMessage(util.Data, []byte("ok")))
// print(".")
}
}()
for {
f, data, err := util.ReadBytes(readWriter, buf)
if err == io.EOF {
// print("recieve close chan2: eof")
break
}
if err != nil {
log.Printf("receive error:%v", err)
continue
}
rc.offset += 4 + 1
if f != util.Data {
// print("recieve close chan1: ", string([]byte{byte(f)}))
break
}
// println("receive raw data :", string(data.Bytes()))
rc.offset += uint64(len(data.Data()))
rc.Ch <- data.Data()
}
close(rc.Ch)
}
func getDirectCommandConnection(tlsConfig *tls.Config, target string) (io.ReadWriteCloser, error) {
return util.Dial(tlsConfig, target)
}