func SendCommand(cmd *Command, path *tree_graph.Path, cb func(*tree_event.Event, Command) bool) (err tree_lib.TreeError) {
// If command ID not set just setting random string
if len(cmd.ID) == 0 {
cmd.ID = tree_lib.RandomString(10)
}
var (
cmd_data []byte
)
cmd_data, err.Err = ffjson.Marshal(cmd)
if !err.IsNull() {
err.From = tree_lib.FROM_SEND_COMMAND
return
}
e := &tree_event.Event{
Name: tree_event.ON_API_COMMAND,
Data: cmd_data,
FromApi: node_info.CurrentNodeInfo.Value,
From: path.From,
}
tree_event.Emit(e, path)
if cb != nil {
subscribed_command_callbacks[cmd.ID] = cb_str{f: cb, c: make(chan bool)}
<-subscribed_command_callbacks[cmd.ID].c
}
return
}
func UpdateNodeChange(info node_info.NodeInfo) {
var (
ev = &tree_event.Event{}
err tree_lib.TreeError
)
err.From = tree_lib.FROM_UPDATE_NODE_CHANGE
ev.Data, err.Err = ffjson.Marshal(info)
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
path := &tree_graph.Path{From: node_info.CurrentNodeInfo.Name, Nodes: []string{"*"}}
ev.Name = tree_event.ON_UPDATE_NODE_INFO
tree_event.Trigger(ev)
tree_event.Emit(ev, path)
}
func SendCommandCallback(e *tree_event.Event, data []byte) (err tree_lib.TreeError) {
cb_ev := &tree_event.Event{}
path := &tree_graph.Path{}
cb_ev.Name = tree_event.ON_API_COMMAND_CALLBACK
cb_ev.Data = data
path.Nodes = []string{e.From}
path.From = node_info.CurrentNodeInfo.Name
_, err = path.CalculatePathToApi(big.NewInt(e.FromApi))
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
// If it comes from API, then we need multiply also with API's negative value
/*if e.FromApi != 0 {
p.Mul(p, big.NewInt(e.FromApi))
p.Mul(p, big.NewInt(e.FromApi))
}*/
tree_event.Emit(cb_ev, path)
return
}