1 /*
2 * Copyright (c) 2021-2024 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 "component_disable.h"
17
18 #include "anonymous_string.h"
19 #include "constants.h"
20 #include "dh_utils_hisysevent.h"
21 #include "dh_utils_tool.h"
22 #include "distributed_hardware_errno.h"
23 #include "distributed_hardware_log.h"
24
25 namespace OHOS {
26 namespace DistributedHardware {
27 #undef DH_LOG_TAG
28 #define DH_LOG_TAG "ComponentDisable"
29
ComponentDisable()30 ComponentDisable::ComponentDisable() : status_(std::numeric_limits<int32_t>::max()) {}
31
~ComponentDisable()32 ComponentDisable::~ComponentDisable() {}
33
Disable(const std::string & networkId,const std::string & dhId,IDistributedHardwareSource * handler)34 int32_t ComponentDisable::Disable(const std::string &networkId, const std::string &dhId,
35 IDistributedHardwareSource *handler)
36 {
37 if (!IsIdLengthValid(networkId) || !IsIdLengthValid(dhId)) {
38 return ERR_DH_FWK_PARA_INVALID;
39 }
40 DHLOGD("networkId = %{public}s dhId = %{public}s.", GetAnonyString(networkId).c_str(),
41 GetAnonyString(dhId).c_str());
42 if (handler == nullptr) {
43 DHLOGE("handler is null, networkId = %{public}s dhId = %{public}s.", GetAnonyString(networkId).c_str(),
44 GetAnonyString(dhId).c_str());
45 return ERR_DH_FWK_PARA_INVALID;
46 }
47
48 auto ret = handler->UnregisterDistributedHardware(networkId, dhId, shared_from_this());
49 if (ret != DH_FWK_SUCCESS) {
50 DHLOGE("UnregisterDistributedHardware failed, networkId = %{public}s dhId = %{public}s.",
51 GetAnonyString(networkId).c_str(), GetAnonyString(dhId).c_str());
52 HiSysEventWriteCompMgrFailedMsg(DHFWK_DH_UNREGISTER_FAIL, OHOS::HiviewDFX::HiSysEvent::EventType::FAULT,
53 GetAnonyString(dhId), ret, "dhfwk unregister distributed hardware failed.");
54 return ERR_DH_FWK_COMPONENT_UNREGISTER_FAILED;
55 }
56
57 // wait for callback until timeout
58 std::unique_lock<std::mutex> lock(mutex_);
59 auto waitStatus = conVar_.wait_for(lock, std::chrono::milliseconds(DISABLE_TIMEOUT_MS),
60 [this]() { return status_ != std::numeric_limits<int32_t>::max(); });
61 if (!waitStatus) {
62 DHLOGE("disable timeout, networkId = %{public}s dhId = %{public}s.", GetAnonyString(networkId).c_str(),
63 GetAnonyString(dhId).c_str());
64 HiSysEventWriteCompMgrFailedMsg(DHFWK_DH_UNREGISTER_FAIL, OHOS::HiviewDFX::HiSysEvent::EventType::FAULT,
65 GetAnonyString(dhId), ERR_DH_FWK_COMPONENT_DISABLE_TIMEOUT,
66 "dhfwk distributed hardware disable timeout.");
67 return ERR_DH_FWK_COMPONENT_DISABLE_TIMEOUT;
68 }
69 return (status_ == DH_FWK_SUCCESS) ? DH_FWK_SUCCESS : ERR_DH_FWK_COMPONENT_DISABLE_FAILED;
70 }
71
OnUnregisterResult(const std::string & networkId,const std::string & dhId,int32_t status,const std::string & data)72 int32_t ComponentDisable::OnUnregisterResult(const std::string &networkId, const std::string &dhId, int32_t status,
73 const std::string &data)
74 {
75 if (!IsIdLengthValid(networkId) || !IsIdLengthValid(dhId)) {
76 return ERR_DH_FWK_PARA_INVALID;
77 }
78 if (status == DH_FWK_SUCCESS) {
79 DHLOGI("disable success, networkId = %{public}s, dhId = %{public}s.", GetAnonyString(networkId).c_str(),
80 GetAnonyString(dhId).c_str());
81 } else {
82 DHLOGE("disable failed, networkId = %{public}s, dhId = %{public}s, status = %{public}d.",
83 GetAnonyString(networkId).c_str(), GetAnonyString(dhId).c_str(), status);
84 }
85
86 std::unique_lock<std::mutex> lock(mutex_);
87 status_ = status;
88 conVar_.notify_all();
89 return status_;
90 }
91 } // namespace DistributedHardware
92 } // namespace OHOS
93