1 /*
2 * Copyright (c) 2021-2025 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 "fdatasync.h"
17
18 #include <cstring>
19 #include <fcntl.h>
20 #include <tuple>
21 #include <unistd.h>
22
23 #include <sys/stat.h>
24
25 #include "n_async_work_callback.h"
26 #include "n_async_work_promise.h"
27 #include "n_func_arg.h"
28
29 namespace OHOS {
30 namespace DistributedFS {
31 namespace ModuleFileIO {
32 using namespace std;
33
Sync(napi_env env,napi_callback_info info)34 napi_value Fdatasync::Sync(napi_env env, napi_callback_info info)
35 {
36 NFuncArg funcArg(env, info);
37 if (!funcArg.InitArgs(NARG_CNT::ONE)) {
38 UniError(EINVAL).ThrowErr(env, "Number of arguments unmatched");
39 return nullptr;
40 }
41
42 auto [resGetFirstArg, fd] = NVal(env, funcArg[NARG_POS::FIRST]).ToInt32();
43 if (!resGetFirstArg) {
44 UniError(EINVAL).ThrowErr(env, "Invalid fd");
45 return nullptr;
46 }
47
48 int ret = fdatasync(fd);
49 if (ret == -1) {
50 UniError(errno).ThrowErr(env);
51 return nullptr;
52 }
53
54 return NVal::CreateUndefined(env).val_;
55 }
56
57
Async(napi_env env,napi_callback_info info)58 napi_value Fdatasync::Async(napi_env env, napi_callback_info info)
59 {
60 NFuncArg funcArg(env, info);
61 if (!funcArg.InitArgs(NARG_CNT::ONE, NARG_CNT::TWO)) {
62 UniError(EINVAL).ThrowErr(env, "Number of arguments unmatched");
63 return nullptr;
64 }
65
66 auto [resGetFirstArg, fd] = NVal(env, funcArg[NARG_POS::FIRST]).ToInt32();
67 if (!resGetFirstArg) {
68 UniError(EINVAL).ThrowErr(env, "Invalid fd");
69 return nullptr;
70 }
71
72 auto cbExec = [fd = fd](napi_env env) -> UniError {
73 int ret = fdatasync(fd);
74 if (ret == -1) {
75 return UniError(errno);
76 } else {
77 return UniError(ERRNO_NOERR);
78 }
79 };
80
81 auto cbComplCallback = [](napi_env env, UniError err) -> NVal {
82 if (err) {
83 return { env, err.GetNapiErr(env) };
84 }
85 return { NVal::CreateUndefined(env) };
86 };
87
88 const string procedureName = "FileIOFdatasync";
89 NVal thisVar(env, funcArg.GetThisVar());
90 if (funcArg.GetArgc() == NARG_CNT::ONE) {
91 return NAsyncWorkPromise(env, thisVar).Schedule(procedureName, cbExec, cbComplCallback).val_;
92 } else {
93 NVal cb(env, funcArg[NARG_POS::SECOND]);
94 return NAsyncWorkCallback(env, thisVar, cb).Schedule(procedureName, cbExec, cbComplCallback).val_;
95 }
96 }
97 } // namespace ModuleFileIO
98 } // namespace DistributedFS
99 } // namespace OHOS