func TagPath(from_node, tag_name string) (map[string]*big.Int, tree_lib.TreeError) {
var (
err tree_lib.TreeError
path = make(map[string]*big.Int)
nodes_by_tagname []string
)
err.From = tree_lib.FROM_TAG_PATH
nodes_by_tagname, err = tree_db.GetNodesByTagName(tag_name)
if !err.IsNull() {
return nil, err
}
for _, n := range nodes_by_tagname {
if check_node[n] {
targets = append(targets, n)
path[n], err = NodePath(from_node, n)
if !err.IsNull() {
return nil, err
}
} else {
fmt.Println("there is no server with name ", n)
fmt.Println("ignoring server ", n)
}
}
return path, err
}
func HandleListCommand(ev *tree_event.Event, cmd Command) {
var (
info = make(map[string]node_info.NodeInfo)
data []byte
ev_data Command
nodes []string
nodes_in_group []string
nodes_in_tag []string
err tree_lib.TreeError
infos Info
)
err.From = tree_lib.FROM_HANDLE_LIST_COMMAND
err.Err = ffjson.Unmarshal(ev.Data, &ev_data)
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
err.Err = ffjson.Unmarshal(ev_data.Data, &infos)
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
nodes = infos.Target
for _, g := range infos.Group {
nodes_in_group, err = tree_db.GetGroupNodes(g)
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
for _, n := range nodes_in_group {
nodes = append(nodes, n)
}
}
for _, t := range infos.Tag {
nodes_in_tag, err = tree_db.GetNodesByTagName(t)
if !err.IsNull() {
tree_log.Error(err.From, "getting Tags", err.Error())
return
}
for _, n := range nodes_in_tag {
nodes = append(nodes, n)
}
}
for _, n := range nodes {
info[n], err = tree_db.GetNodeInfo(n)
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
}
cb_cmd := cmd
cb_cmd.Data, err.Err = ffjson.Marshal(info)
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
data, err.Err = ffjson.Marshal(cb_cmd)
if !err.IsNull() {
tree_log.Error(err.From, err.Error())
return
}
SendCommandCallback(ev, data)
}