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1 /*
2  * Copyright (c) 2021 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 #include "faultlogger_client.h"
16 
17 #include <unistd.h>
18 
19 #include "hilog/log_cpp.h"
20 #include "if_system_ability_manager.h"
21 #include "ipc_skeleton.h"
22 #include "iservice_registry.h"
23 #include "refbase.h"
24 
25 #include "faultlog_info_ohos.h"
26 #include "faultlog_query_result.h"
27 #include "faultlog_query_result_impl.h"
28 
29 #include "faultlogger_service_proxy.h"
30 #include "ifaultlogger_service.h"
31 
32 namespace OHOS {
33 namespace HiviewDFX {
34 static constexpr OHOS::HiviewDFX::HiLogLabel LOG_LABEL = {LOG_CORE, 0xD002D10, "FaultloggerClient"};
35 constexpr int32_t DFX_HIVIEW_FAULTLOGGER_ID = 1202;
GetFaultloggerService()36 sptr<FaultLoggerServiceProxy> GetFaultloggerService()
37 {
38     sptr<ISystemAbilityManager> serviceManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
39     if (serviceManager == nullptr) {
40         OHOS::HiviewDFX::HiLog::Error(LOG_LABEL, "Failed to find samgr, exit.");
41         return nullptr;
42     }
43 
44     auto service = serviceManager->CheckSystemAbility(DFX_HIVIEW_FAULTLOGGER_ID);
45     if (service == nullptr) {
46         OHOS::HiviewDFX::HiLog::Error(LOG_LABEL, "Failed to find faultlogger service, exit.");
47         return nullptr;
48     }
49 
50     sptr<FaultLoggerServiceProxy> proxy = new FaultLoggerServiceProxy(service);
51     return proxy;
52 }
53 
AddFaultLog(const FaultLogInfoInner & info)54 void AddFaultLog(const FaultLogInfoInner &info)
55 {
56     auto service = GetFaultloggerService();
57     if (service == nullptr) {
58         OHOS::HiviewDFX::HiLog::Info(LOG_LABEL, "Fail to get service.");
59         return;
60     }
61 
62     std::string module = info.module;
63     module.erase(std::remove_if(module.begin(), module.end(),
64 		[](unsigned char c) { return !std::isprint(c); }), module.end());
65 
66     FaultLogInfoOhos infoOhos;
67     infoOhos.time = info.time;
68     infoOhos.uid = info.id;
69     infoOhos.pid = info.pid;
70     infoOhos.faultLogType = info.faultLogType;
71     infoOhos.module = module;
72     infoOhos.reason = info.reason;
73     infoOhos.summary = info.summary;
74     infoOhos.logPath = info.logPath;
75     infoOhos.sectionMaps = info.sectionMaps;
76     infoOhos.fd = -1;
77     service->AddFaultLog(infoOhos);
78 }
79 
AddFaultLog(int64_t time,int32_t logType,const std::string & module,const std::string & summary)80 void AddFaultLog(int64_t time, int32_t logType, const std::string &module, const std::string &summary)
81 {
82     auto service = GetFaultloggerService();
83     if (service == nullptr) {
84         OHOS::HiviewDFX::HiLog::Info(LOG_LABEL, "Fail to get service.");
85         return;
86     }
87 
88     FaultLogInfoOhos infoOhos;
89     infoOhos.time = time;
90     infoOhos.uid = getuid();
91     infoOhos.pid = getpid();
92     infoOhos.faultLogType = logType;
93     infoOhos.module = module;
94     infoOhos.summary = summary;
95     infoOhos.fd = -1;
96     service->AddFaultLog(infoOhos);
97 }
98 
QuerySelfFaultLog(FaultLogType faultType,int32_t maxNum)99 std::unique_ptr<FaultLogQueryResult> QuerySelfFaultLog(FaultLogType faultType, int32_t maxNum)
100 {
101     auto service = GetFaultloggerService();
102     if (service == nullptr) {
103         OHOS::HiviewDFX::HiLog::Info(LOG_LABEL, "Fail to get service.");
104         return nullptr;
105     }
106 
107     auto result = service->QuerySelfFaultLog(static_cast<int32_t>(faultType), maxNum);
108     if (result == nullptr) {
109         OHOS::HiviewDFX::HiLog::Info(LOG_LABEL, "Fail to query result.");
110         return nullptr;
111     }
112 
113     sptr<FaultLogQueryResultProxy> proxy = new FaultLogQueryResultProxy(result);
114     return std::make_unique<FaultLogQueryResult>(new FaultLogQueryResultImpl(proxy));
115 }
116 }  // namespace HiviewDFX
117 }  // namespace OHOS
118 
AddFaultLog(FaultLogInfoInner * info)119 __attribute__((visibility ("default"))) void AddFaultLog(FaultLogInfoInner* info)
120 {
121     OHOS::HiviewDFX::AddFaultLog(*info);
122 }