EncodeMsg(msg api.Message, msgID uint16) ([]byte, error)
// DecodeMsg decodes binary-encoded data of a message into provided Message structure.
DecodeMsg(data []byte, msg api.Message) error
+ // DecodeMsgContext decodes context from message data.
+ DecodeMsgContext(data []byte, msg api.Message) (context uint32, err error)
}
// MessageIdentifier provides identification of generated API messages.
msgFactory func() api.Message // function that returns a new instance of the specific message that is expected as a notification
}
-// channel is the main communication interface with govpp core. It contains four Go channels, one for sending the requests
+// Channel is the main communication interface with govpp core. It contains four Go channels, one for sending the requests
// to VPP, one for receiving the replies from it and the same set for notifications. The user can access the Go channels
// via methods provided by Channel interface in this package. Do not use the same channel from multiple goroutines
// concurrently, otherwise the responses could mix! Use multiple channels instead.
_, err := ch.msgIdentifier.GetMessageID(msg)
if err != nil {
if uerr, ok := err.(*adapter.UnknownMsgError); ok {
- m := fmt.Sprintf("%s_%s", uerr.MsgName, uerr.MsgCrc)
- comperr.IncompatibleMessages = append(comperr.IncompatibleMessages, m)
+ comperr.IncompatibleMessages = append(comperr.IncompatibleMessages, getMsgID(uerr.MsgName, uerr.MsgCrc))
continue
}
// other errors return immediatelly
return err
}
+ comperr.CompatibleMessages = append(comperr.CompatibleMessages, getMsgNameWithCrc(msg))
}
if len(comperr.IncompatibleMessages) == 0 {
return nil
for i, item := range sub.ch.conn.subscriptions[sub.msgID] {
if item == sub {
+ // close notification channel
+ close(sub.ch.conn.subscriptions[sub.msgID][i].notifChan)
// remove i-th item in the slice
sub.ch.conn.subscriptions[sub.msgID] = append(sub.ch.conn.subscriptions[sub.msgID][:i], sub.ch.conn.subscriptions[sub.msgID][i+1:]...)
return nil
msgNameCrc = getMsgNameWithCrc(replyMsg)
}
- err = fmt.Errorf("received invalid message ID (seqNum=%d), expected %d (%s), but got %d (%s) "+
+ err = fmt.Errorf("received unexpected message (seqNum=%d), expected %s (ID %d), but got %s (ID %d) "+
"(check if multiple goroutines are not sharing single GoVPP channel)",
- reply.seqNum, expMsgID, msg.GetMessageName(), reply.msgID, msgNameCrc)
+ reply.seqNum, msg.GetMessageName(), expMsgID, msgNameCrc, reply.msgID)
return
}