1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "napi/native_api.h"
17 #include <dirent.h>
18 #include <fcntl.h>
19 #include <ftw.h>
20 #include <js_native_api.h>
21 #include <node_api.h>
22 #include <unistd.h>
23
24 #define TEST_FLAG_SIZE 4
25 #define TEST_FD_LIMIT 128
26 #define PARAM_0666 0666
27 #define PARAM_0777 0777
28 #define R_OK 4
29
copytoU_device(const char *file, const struct stat *sb, int flag)30 int copytoU_device(const char *file, const struct stat *sb, int flag) { return 0; }
31
Ftw(napi_env env, napi_callback_info info)32 static napi_value Ftw(napi_env env, napi_callback_info info)
33 {
34 napi_value result = nullptr;
35 int fileDescribe = open("/data/storage/el2/base/files/fzl.txt", O_CREAT, PARAM_0777);
36 int returnValue = ftw("/data/storage/el2/base/files/", copytoU_device, fileDescribe);
37 napi_create_int32(env, returnValue, &result);
38 close(fileDescribe);
39 return result;
40 }
41
Ftw64(napi_env env, napi_callback_info info)42 static napi_value Ftw64(napi_env env, napi_callback_info info)
43 {
44 napi_value result = nullptr;
45 int fileDescribe = open("/data/storage/el2/base/files/fzl.txt", O_CREAT, PARAM_0777);
46 int returnValue = ftw64("/data/storage/el2/base/files/", copytoU_device, fileDescribe);
47 napi_create_int32(env, returnValue, &result);
48 close(fileDescribe);
49 return result;
50 }
nftw_callback(const char *pathname, const struct stat *sb, int flag, struct FTW *ftw)51 static int nftw_callback(const char *pathname, const struct stat *sb, int flag, struct FTW *ftw) { return 0; }
52
Nftw(napi_env env, napi_callback_info info)53 static napi_value Nftw(napi_env env, napi_callback_info info)
54 {
55 int flag[TEST_FLAG_SIZE] = {FTW_PHYS, FTW_MOUNT, FTW_CHDIR, FTW_DEPTH};
56 const char *path = "/data/storage/el2/base/files/Fzl.txt";
57 int fp = open(path, O_CREAT, PARAM_0666);
58 write(fp, "666", sizeof("666"));
59 close(fp);
60 int ret = nftw(path, nftw_callback, TEST_FD_LIMIT, flag[0]);
61 napi_value result;
62 napi_create_int32(env, ret, &result);
63 return result;
64 }
Nftw64(napi_env env, napi_callback_info info)65 static napi_value Nftw64(napi_env env, napi_callback_info info)
66 {
67 int flag[TEST_FLAG_SIZE] = {FTW_PHYS, FTW_MOUNT, FTW_CHDIR, FTW_DEPTH};
68 const char *path = "/data/storage/el2/base/files/Fzl.txt";
69 int fp = open(path, O_CREAT, PARAM_0666);
70 write(fp, "666", sizeof("666"));
71 close(fp);
72 int ret = nftw64(path, nftw_callback, TEST_FD_LIMIT, flag[0]);
73 napi_value result;
74 napi_create_int32(env, ret, &result);
75 return result;
76 }
77 EXTERN_C_START
Init(napi_env env, napi_value exports)78 static napi_value Init(napi_env env, napi_value exports)
79 {
80 napi_property_descriptor desc[] = {
81 {"ftw", nullptr, Ftw, nullptr, nullptr, nullptr, napi_default, nullptr},
82 {"ftw64", nullptr, Ftw64, nullptr, nullptr, nullptr, napi_default, nullptr},
83 {"nftw", nullptr, Nftw, nullptr, nullptr, nullptr, napi_default, nullptr},
84 {"nftw64", nullptr, Nftw64, nullptr, nullptr, nullptr, napi_default, nullptr},
85
86 };
87 napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
88 return exports;
89 }
90
91 EXTERN_C_END
92
93 static napi_module demoModule = {
94 .nm_version = 1,
95 .nm_flags = 0,
96 .nm_filename = nullptr,
97 .nm_register_func = Init,
98 .nm_modname = "ftw",
99 .nm_priv = ((void *)0),
100 .reserved = {0},
101 };
102
RegisterEntryModule(void)103 extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
104