func Test_DecodeMessage_pingresp(t *testing.T) {
bs := bytes.NewBuffer([]byte{
0xD0,
0x00,
})
presp, _ := packets.ReadPacket(bs)
if presp.(*packets.PingrespPacket).MessageType != packets.Pingresp {
t.Errorf("DecodeMessage ping response wrong msg type: %v", presp.(*packets.PingrespPacket).MessageType)
}
if presp.(*packets.PingrespPacket).RemainingLength != 0 {
t.Errorf("DecodeMessage ping response wrong rem len: %d", presp.(*packets.PingrespPacket).RemainingLength)
}
}
// Get will retrieve a message from the store, the one associated with
// the provided key value.
func (store *FileStore) Get(key string) packets.ControlPacket {
store.RLock()
defer store.RUnlock()
chkcond(store.opened)
filepath := fullpath(store.directory, key)
if !exists(filepath) {
return nil
}
mfile, oerr := os.Open(filepath)
chkerr(oerr)
//all, rerr := ioutil.ReadAll(mfile)
//chkerr(rerr)
msg, rerr := packets.ReadPacket(mfile)
chkerr(rerr)
cerr := mfile.Close()
chkerr(cerr)
return msg
}
// actually read incoming messages off the wire
// send Message object into ibound channel
func incoming(c *Client) {
var err error
defer func(c *Client) {
c.workers.Done()
if err != nil {
ERROR.Println(NET, c.options.ClientID, ":", "incoming closed:", err)
c.internalConnLost(err)
return
}
if e := recover(); e != nil {
ERROR.Println(NET, c.options.ClientID, ":", "incoming panic closed :", e)
c.internalConnLost(fmt.Errorf("读取数据出现严重错误:%v", e))
return
}
ERROR.Println(NET, c.options.ClientID, ":", "incoming closing")
}(c)
var cp packets.ControlPacket
DEBUG.Println(NET, "incoming started")
for {
if cp, err = packets.ReadPacket(c.conn); err != nil {
return
}
DEBUG.Println(NET, "Received Message")
c.lastContact.update()
c.pingOutstanding = false
select {
case c.ibound <- cp:
case <-c.stop:
DEBUG.Println(NET, "incoming stopped")
return
}
}
}
// This function is only used for receiving a connack
// when the connection is first started.
// This prevents receiving incoming data while resume
// is in progress if clean session is false.
func (c *Client) connect() byte {
DEBUG.Println(NET, "connect started")
ca, err := packets.ReadPacket(c.conn)
if err != nil {
ERROR.Println(NET, c.options.ClientID+":connect got error", err)
return packets.ErrNetworkError
}
if ca == nil {
ERROR.Println(NET, c.options.ClientID+":received nil packet")
return packets.ErrNetworkError
}
msg, ok := ca.(*packets.ConnackPacket)
if !ok {
ERROR.Println(NET, c.options.ClientID+":received msg that was not CONNACK")
return packets.ErrNetworkError
}
DEBUG.Println(NET, c.options.ClientID+":received connack")
return msg.ReturnCode
}
