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 "hdf_device_event_manager.h"
17
18 #include <dlfcn.h>
19 #include <unistd.h>
20
21 #include "hdf_device_event_dispatch.h"
22 #include "mmi_log.h"
23
24 #undef MMI_LOG_TAG
25 #define MMI_LOG_TAG "HdfDeviceEventManager"
26
27 using namespace OHOS::HiviewDFX;
28 namespace OHOS {
29 namespace MMI {
30 namespace {
31 constexpr int32_t INPUT_PARAM_FIRST { 0 };
32 constexpr int32_t INPUT_PARAM_SECOND { 1 };
33 } // namespace
ConnectHDFInit()34 void HdfDeviceEventManager::ConnectHDFInit()
35 {
36 std::string name = "mmi-hdf";
37 inputInterface_ = IInputInterfaces::Get(true);
38 if (inputInterface_ == nullptr) {
39 MMI_HILOGE("The inputInterface_ is nullptr");
40 return;
41 }
42 thread_ = std::thread([this] { injectThread_.InjectFunc(); });
43 pthread_setname_np(thread_.native_handle(), name.c_str());
44 int32_t ret = inputInterface_->OpenInputDevice(TOUCH_DEV_ID);
45 if (ret == HDF_SUCCESS) {
46 ret = inputInterface_->GetInputDevice(TOUCH_DEV_ID, iDevInfo_);
47 if (ret != HDF_SUCCESS) {
48 MMI_HILOGE("Get input device failed");
49 return;
50 }
51 callback_ = new (std::nothrow) HdfDeviceEventDispatch(iDevInfo_.attrSet.axisInfo[ABS_MT_POSITION_X].max,
52 iDevInfo_.attrSet.axisInfo[ABS_MT_POSITION_Y].max);
53 if (callback_ == nullptr) {
54 MMI_HILOGE("The callback_ is nullptr");
55 return;
56 }
57 ret = inputInterface_->RegisterReportCallback(TOUCH_DEV_ID, callback_);
58 MMI_HILOGD("RegisterReportCallback ret:%{public}d", ret);
59 } else {
60 MMI_HILOGE("Open input device failed");
61 }
62 }
63 } // namespace MMI
64 } // namespace OHOS
65
main()66 int32_t main() __attribute__((no_sanitize("cfi")))
67 {
68 int sleepSeconds = 1;
69 sleep(sleepSeconds);
70 OHOS::MMI::HdfDeviceEventManager iHdfDeviceEventManager;
71 iHdfDeviceEventManager.ConnectHDFInit();
72
73 int32_t pid = getpid();
74 MMI_HILOGI("Current pid:%{public}d", pid);
75 void *notifyProcessStatus = nullptr;
76 int32_t(* notifyProcessStatusFunc)(int32_t, int32_t, int32_t) = nullptr;
77 void *libMemMgrClientHandle = dlopen("libmemmgrclient.z.so", RTLD_NOW);
78 if (!libMemMgrClientHandle) {
79 MMI_HILOGE("%{public}s, dlopen libmemmgrclient failed.", __func__);
80 goto nextStep;
81 }
82
83 notifyProcessStatus = (dlsym(libMemMgrClientHandle, "notify_process_status"));
84 if (!notifyProcessStatus) {
85 MMI_HILOGE("%{public}s, dlsym notify_process_status failed.", __func__);
86 dlclose(libMemMgrClientHandle);
87 goto nextStep;
88 }
89 notifyProcessStatusFunc = reinterpret_cast<int32_t(*)(int32_t, int32_t, int32_t)>(notifyProcessStatus);
90 if (notifyProcessStatusFunc(pid, OHOS::MMI::INPUT_PARAM_FIRST, OHOS::MMI::INPUT_PARAM_SECOND) != 0) {
91 MMI_HILOGE("%{public}s, get device memory failed.", __func__);
92 }
93 dlclose(libMemMgrClientHandle);
94 MMI_HILOGI("notify_process_status execute end");
95
96 nextStep:
97 MMI_HILOGI("start thread loop");
98 static std::int32_t usleepTime = 1500000;
99 while (true) {
100 usleep(usleepTime);
101 }
102 return 0;
103 }
104