chore: move ubus examples in ubus sub directory.

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

Author: zhaojh329

examples/ubus/signatures.lua

@@ -0,0 +1,34 @@
+#!/usr/bin/env eco
+
+local ubus = require 'eco.ubus'
+
+local attr_types = {
+    [ubus.ARRAY] = 'Array',
+    [ubus.TABLE] = 'Table',
+    [ubus.STRING] = 'String',
+    [ubus.INT64] = 'Integer',
+    [ubus.INT32] = 'Integer',
+    [ubus.INT16] = 'Integer',
+    [ubus.INT8] = 'Boolean',
+    [ubus.DOUBLE] = 'Number'
+}
+
+local con, err = ubus.connect()
+if not con then
+    error(err)
+end
+
+for id, o in pairs(con:objects()) do
+    print(string.format('"%s" @%08x', o, id))
+    for method, signature in pairs(con:signatures(o)) do
+        io.write(string.format('\t"%s":{', method))
+        local comma = ''
+        for k, v in pairs(signature) do
+			io.write(string.format('%s"%s":"%s"', comma, k, attr_types[v] or 'unknown'))
+            comma = ','
+		end
+        print('}')
+    end
+end
+
+con:close()

examples/ubus.lua examples/ubus/ubus.lua

@@ -54,33 +54,6 @@ time.at(1, function()
     print('call eco.defer:', res.message)
 end)
 
-print('\nubus objects:')
-
-local attr_types = {
-    [ubus.ARRAY] = 'Array',
-    [ubus.TABLE] = 'Table',
-    [ubus.STRING] = 'String',
-    [ubus.INT64] = 'Integer',
-    [ubus.INT32] = 'Integer',
-    [ubus.INT16] = 'Integer',
-    [ubus.INT8] = 'Boolean',
-    [ubus.DOUBLE] = 'Number'
-}
-
-for id, obj in pairs(con:objects()) do
-    print(string.format('"%s" @%08x', obj, id))
-    for method, signature in pairs(con:signatures(obj)) do
-        io.write(string.format('\t"%s":{', method))
-        local comma = ''
-        for k, v in pairs(signature) do
-			io.write(string.format('%s"%s":"%s"', comma, k, attr_types[v] or 'unknown'))
-            comma = ','
-		end
-        print('}')
-    end
-end
-print()
-
 while true do
     time.sleep(1)
 end