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 <cstdlib>
18 #include <ifaddrs.h>
19 #include <js_native_api_types.h>
20 #include <net/if.h>
21 #include <sys/inotify.h>
22 #include <sys/random.h>
23 #define BUFFSIZE 32
24 #define DEFAULT_VALUE 0
25 #define FAIL (-1)
26 #define NO_ERRS 0
27
28 #define BUFSIZE 32
Getrandom(napi_env env,napi_callback_info info)29 static napi_value Getrandom(napi_env env, napi_callback_info info)
30 {
31 void *buf = malloc(BUFFSIZE);
32 ssize_t ret = getrandom(buf, BUFFSIZE, DEFAULT_VALUE);
33 napi_value result = nullptr;
34 if (ret != FAIL) {
35 napi_create_int32(env, NO_ERRS, &result);
36 } else {
37 napi_create_int32(env, FAIL, &result);
38 }
39 return result;
40 }
41 EXTERN_C_START
Init(napi_env env,napi_value exports)42 static napi_value Init(napi_env env, napi_value exports)
43 {
44 napi_property_descriptor desc[] = {
45 {"getrandom", nullptr, Getrandom, nullptr, nullptr, nullptr, napi_default, nullptr},
46 };
47 napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
48 return exports;
49 }
50 EXTERN_C_END
51
52 static napi_module demoModule = {
53 .nm_version = 1,
54 .nm_flags = 0,
55 .nm_filename = nullptr,
56 .nm_register_func = Init,
57 .nm_modname = "libunistd",
58 .nm_priv = ((void *)0),
59 .reserved = {0},
60 };
61
RegisterModule(void)62 extern "C" __attribute__((constructor)) void RegisterModule(void) { napi_module_register(&demoModule); }
63