1 /*
2 * Copyright (c) 2022 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 "zlib_callback_info.h"
17
18 #include "app_log_wrapper.h"
19 #include "common_func.h"
20 #include "business_error.h"
21
22 namespace OHOS {
23 namespace AppExecFwk {
24 namespace LIBZIP {
25 namespace {
26 constexpr size_t ARGS_ONE = 1;
27 }
28
ZlibCallbackInfo(napi_env env,napi_ref callback,napi_deferred deferred,bool isCallback)29 ZlibCallbackInfo::ZlibCallbackInfo(napi_env env, napi_ref callback, napi_deferred deferred, bool isCallback)
30 : env_(env), callback_(callback), deferred_(deferred), isCallBack_(isCallback) {}
31
~ZlibCallbackInfo()32 ZlibCallbackInfo::~ZlibCallbackInfo() {}
33
ExcuteWork(uv_loop_s * loop,uv_work_t * work)34 int32_t ZlibCallbackInfo::ExcuteWork(uv_loop_s* loop, uv_work_t* work)
35 {
36 int32_t ret = uv_queue_work(
37 loop, work, [](uv_work_t* work) {},
38 [](uv_work_t* work, int status) {
39 if (work == nullptr) {
40 return;
41 }
42 AsyncCallbackInfo* asyncCallbackInfo = reinterpret_cast<AsyncCallbackInfo*>(work->data);
43 if (asyncCallbackInfo == nullptr) {
44 return;
45 }
46 napi_handle_scope scope = nullptr;
47 napi_open_handle_scope(asyncCallbackInfo->env, &scope);
48 if (scope == nullptr) {
49 return;
50 }
51 std::unique_ptr<AsyncCallbackInfo> callbackPtr {asyncCallbackInfo};
52 napi_value result[ARGS_ONE] = {0};
53 if (asyncCallbackInfo->deliverErrcode) {
54 if (asyncCallbackInfo->callbackResult == ERR_OK) {
55 CHKRV_SCOPE(asyncCallbackInfo->env, napi_get_null(asyncCallbackInfo->env, &result[0]), scope);
56 } else {
57 result[0] = BusinessError::CreateCommonError(asyncCallbackInfo->env,
58 asyncCallbackInfo->callbackResult, "");
59 }
60 } else {
61 napi_create_int32(asyncCallbackInfo->env, asyncCallbackInfo->callbackResult, &result[0]);
62 }
63 if (asyncCallbackInfo->isCallBack) {
64 napi_value callback = 0;
65 napi_value placeHolder = nullptr;
66 napi_get_reference_value(asyncCallbackInfo->env, asyncCallbackInfo->callback, &callback);
67 CHKRV_SCOPE(asyncCallbackInfo->env, napi_call_function(asyncCallbackInfo->env, nullptr,
68 callback, sizeof(result) / sizeof(result[0]), result, &placeHolder), scope);
69 if (asyncCallbackInfo->callback != nullptr) {
70 napi_delete_reference(asyncCallbackInfo->env, asyncCallbackInfo->callback);
71 }
72 } else {
73 if (asyncCallbackInfo->callbackResult == ERR_OK) {
74 CHKRV_SCOPE(asyncCallbackInfo->env, napi_resolve_deferred(asyncCallbackInfo->env,
75 asyncCallbackInfo->deferred, result[0]), scope);
76 } else {
77 CHKRV_SCOPE(asyncCallbackInfo->env, napi_reject_deferred(asyncCallbackInfo->env,
78 asyncCallbackInfo->deferred, result[0]), scope);
79 }
80 }
81 if (work != nullptr) {
82 delete work;
83 work = nullptr;
84 }
85 napi_close_handle_scope(asyncCallbackInfo->env, scope);
86 });
87 return ret;
88 }
89
OnZipUnZipFinish(ErrCode result)90 void ZlibCallbackInfo::OnZipUnZipFinish(ErrCode result)
91 {
92 std::lock_guard<std::mutex> lock(validMutex_);
93 if (!valid_) {
94 APP_LOGE("%{public}s, module exported object is invalid.", __func__);
95 return;
96 }
97
98 // do callback or promise
99 uv_loop_s* loop = nullptr;
100 napi_get_uv_event_loop(env_, &loop);
101 if (loop == nullptr) {
102 APP_LOGE("%{public}s, loop is nullptr.", __func__);
103 return;
104 }
105 uv_work_t* work = new (std::nothrow) uv_work_t;
106 if (work == nullptr) {
107 APP_LOGE("create work failed!");
108 return;
109 }
110 ErrCode err = ERR_OK;
111 if (!deliverErrcode_) {
112 err = result == ERR_OK ? ERR_OK : ERROR_CODE_ERRNO;
113 } else {
114 err = CommonFunc::ConvertErrCode(result);
115 }
116
117 AsyncCallbackInfo* asyncCallbackInfo = new (std::nothrow)AsyncCallbackInfo {
118 .env = env_,
119 .callback = callback_,
120 .deferred = deferred_,
121 .isCallBack = isCallBack_,
122 .callbackResult = err,
123 .deliverErrcode = deliverErrcode_,
124 };
125 std::unique_ptr<AsyncCallbackInfo> callbackPtr {asyncCallbackInfo};
126 if (asyncCallbackInfo == nullptr) {
127 delete work;
128 return;
129 }
130 work->data = reinterpret_cast<void*>(asyncCallbackInfo);
131 int32_t ret = ExcuteWork(loop, work);
132 if (ret != 0) {
133 if (asyncCallbackInfo != nullptr) {
134 delete asyncCallbackInfo;
135 }
136 if (work != nullptr) {
137 delete work;
138 }
139 }
140 callbackPtr.release();
141 }
142
GetIsCallback() const143 bool ZlibCallbackInfo::GetIsCallback() const
144 {
145 return isCallBack_;
146 }
147
SetIsCallback(bool isCallback)148 void ZlibCallbackInfo::SetIsCallback(bool isCallback)
149 {
150 isCallBack_ = isCallback;
151 }
152
SetCallback(napi_ref callback)153 void ZlibCallbackInfo::SetCallback(napi_ref callback)
154 {
155 callback_ = callback;
156 }
157
SetDeferred(napi_deferred deferred)158 void ZlibCallbackInfo::SetDeferred(napi_deferred deferred)
159 {
160 deferred_ = deferred;
161 }
162
SetDeliverErrCode(bool isDeliverErrCode)163 void ZlibCallbackInfo::SetDeliverErrCode(bool isDeliverErrCode)
164 {
165 deliverErrcode_ = isDeliverErrCode;
166 }
167
SetValid(bool valid)168 void ZlibCallbackInfo::SetValid(bool valid)
169 {
170 std::lock_guard<std::mutex> lock(validMutex_);
171 valid_ = valid;
172 }
173 } // namespace LIBZIP
174 } // namespace AppExecFwk
175 } // namespace OHOS
176