impl lua c xdb searcher

binding/lua_c/util_test.lua

@@ -0,0 +1,84 @@
+-- Copyright 2022 The Ip2Region Authors. All rights reserved.
+-- Use of this source code is governed by a Apache2.0-style
+-- license that can be found in the LICENSE file.
+--
+-- ---
+-- @Author Lion <chenxin619315@gmail.com>
+-- @Date   2022/06/30
+
+local xdb = require("xdb_searcher")
+
+---- ip checking testing
+print("--- testing check_ip and long2ip ... ")
+local ip_list = {
+    "1.2.3.4", "192.168.2.3", "120.24.78.129", "255.255.255.0",
+    "256.7.12.9", "12.56.78.320", "32.12.45.192", "222.221.220.219",
+    "192.168.1.101 ", "132.96.12.98a", "x23.12.2.12"
+}
+
+local s_time = xdb.now()
+for _, ip_src in ipairs(ip_list) do
+    ip, ok = xdb.check_ip(ip_src)
+    if ok == false then
+        print(string.format("invalid ip address `%s`", ip_src))
+    else
+        ip_dst = xdb.long2ip(ip)
+        io.write(string.format("long(%-15s)=%10d, long2ip(%-10d)=%-15s", ip_src, ip, ip, ip_dst))
+        if ip_src ~= ip_dst then
+            print(" --[Failed]")
+        else
+            print(" --[Ok]")
+        end
+    end
+end
+
+---- buffer loading test
+print("\n--- testing load header ... ")
+header, err = xdb.load_header("../../data/ip2region.xdb")
+if err ~= nil then
+    print("failed to load header: ", err)
+else
+    local tpl = [[
+header: {
+    version: %d
+    index_policy: %d
+    created_at: %d
+    start_index_ptr: %d
+    end_index_ptr: %d
+}]]
+
+    print(string.format(tpl,
+        header["version"], header["index_policy"],
+        header["created_at"], header["start_index_ptr"], header["end_index_ptr"])
+    )
+end
+
+
+print("\n--- testing load vector index ... ")
+v_index, err = xdb.load_vector_index("../../data/ip2region.xdb")
+if err ~= nil then
+    print("failed to load vector index: ", err)
+else
+    print("xdb vector index loaded")
+end
+
+
+print("\n--- testing load content buffer ... ")
+c_buffer, err = xdb.load_content("../../data/ip2region.xdb")
+if err ~= nil then
+    print("failed to load content: ", err)
+else
+    print("xdb content loaded")
+end
+
+print("\n--- testing search ... ")
+local ip_str = "1.2.3.4"
+searcher, err = xdb.new_with_file_only("../../data/ip2region.xdb")
+local t_start = xdb.now()
+region, err = searcher:search(ip_str)
+print(string.format("search(%s): {region=%s, io_count: %d, took: %dμs, err=%s}",
+        ip_str, region, searcher:get_io_count(), xdb.now() - t_start, err))
+
+
+print("")
+print(string.format("all tests done, elapsed %d μs", xdb.now() - s_time))