1 /*
2  * Copyright (c) 2021-2022 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 "ffrt_descriptor_listener.h"
17 #include "event_logger.h"
18 
19 namespace OHOS {
20 namespace AppExecFwk {
21 namespace {
22     DEFINE_EH_HILOG_LABEL("FfrtDescriptorListener");
23 }
OnReadable(int32_t fileDescriptor)24 void FfrtDescriptorListener::OnReadable(int32_t fileDescriptor)
25 {
26     if (fileDescriptor < 0) {
27         HILOGW("OnReadable bad fd");
28         return;
29     }
30     InvokePollCb(EPOLLIN);
31 }
32 
OnWritable(int32_t fileDescriptor)33 void FfrtDescriptorListener::OnWritable(int32_t fileDescriptor)
34 {
35     if (fileDescriptor < 0) {
36         HILOGW("OnWritable bad fd");
37         return;
38     }
39     InvokePollCb(EPOLLOUT);
40 }
41 
OnShutdown(int32_t fileDescriptor)42 void FfrtDescriptorListener::OnShutdown(int32_t fileDescriptor)
43 {
44     if (fileDescriptor < 0) {
45         HILOGW("OnShutdown bad fd");
46         return;
47     }
48     HILOGW("OnShutdown bad fd %{public}d", fileDescriptor);
49     InvokePollCb(EPOLLHUP);
50 }
51 
OnException(int32_t fileDescriptor)52 void FfrtDescriptorListener::OnException(int32_t fileDescriptor)
53 {
54     if (fileDescriptor < 0) {
55         HILOGW("OnException bad fd");
56         return;
57     }
58     HILOGW("OnException bad fd %{public}d", fileDescriptor);
59     InvokePollCb(EPOLLERR);
60 }
61 
ConvertEvents(uint32_t events)62 uint32_t FfrtDescriptorListener::ConvertEvents(uint32_t events)
63 {
64     uint32_t epollEvents = 0;
65     if ((events & EPOLLIN) != 0) {
66         epollEvents |= FILE_DESCRIPTOR_INPUT_EVENT;
67     }
68 
69     if ((events & EPOLLOUT) != 0) {
70         epollEvents |= FILE_DESCRIPTOR_OUTPUT_EVENT;
71     }
72     return epollEvents;
73 }
74 }}
75