1/*
2 * Copyright (c) 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 "crash_exception.h"
17
18#include <map>
19#include <regex>
20#include <sys/time.h>
21#include "dfx_errors.h"
22#ifndef HISYSEVENT_DISABLE
23#include "hisysevent.h"
24#endif
25
26namespace OHOS {
27namespace HiviewDFX {
28
29static bool g_isInitProcessInfo = false;
30static std::string g_crashProcessName = "";
31static int32_t g_crashProcessPid = 0;
32static int32_t g_crashProcessUid = 0;
33
34uint64_t GetTimeMillisec(void)
35{
36    struct timespec ts;
37    (void)clock_gettime(CLOCK_REALTIME, &ts);
38    return ((uint64_t)ts.tv_sec * NUMBER_ONE_THOUSAND) +
39            (((uint64_t)ts.tv_nsec) / NUMBER_ONE_MILLION);
40}
41
42void SetCrashProcInfo(std::string& name, int32_t pid, int32_t uid)
43{
44    if (pid <= 0) {
45        return;
46    }
47    g_isInitProcessInfo = true;
48    g_crashProcessName = name;
49    g_crashProcessPid = pid;
50    g_crashProcessUid = uid;
51}
52
53static const char* GetCrashDescription(const int32_t errCode)
54{
55    size_t i;
56
57    for (i = 0; i < sizeof(g_crashExceptionMap) / sizeof(g_crashExceptionMap[0]); i++) {
58        if (errCode == g_crashExceptionMap[i].errCode) {
59            return g_crashExceptionMap[i].str;
60        }
61    }
62    return g_crashExceptionMap[i - 1].str;    /* the end of map is "unknown reason" */
63}
64
65void ReportCrashException(const char* pName, int32_t pid, int32_t uid, int32_t errCode)
66{
67    if (pName == nullptr || strnlen(pName, NAME_BUF_LEN) == NAME_BUF_LEN) {
68        return;
69    }
70
71    ReportCrashException(std::string(pName), pid, uid, errCode);
72}
73
74void ReportCrashException(std::string name, int32_t pid, int32_t uid, int32_t errCode)
75{
76#ifndef HISYSEVENT_DISABLE
77    if (errCode == CrashExceptionCode::CRASH_ESUCCESS) {
78        return;
79    }
80    HiSysEventWrite(
81        HiSysEvent::Domain::RELIABILITY,
82        "CPP_CRASH_EXCEPTION",
83        HiSysEvent::EventType::FAULT,
84        "PROCESS_NAME", name,
85        "PID", pid,
86        "UID", uid,
87        "HAPPEN_TIME", GetTimeMillisec(),
88        "ERROR_CODE", errCode,
89        "ERROR_MSG", GetCrashDescription(errCode));
90#endif
91}
92
93void ReportUnwinderException(uint16_t unwError)
94{
95    if (!g_isInitProcessInfo) {
96        return;
97    }
98
99    const std::map<uint16_t, int32_t> unwMaps = {
100        { UnwindErrorCode::UNW_ERROR_STEP_ARK_FRAME, CrashExceptionCode::CRASH_UNWIND_EFRAME },
101        { UnwindErrorCode::UNW_ERROR_INVALID_CONTEXT, CrashExceptionCode::CRASH_UNWIND_ECONTEXT },
102    };
103    int32_t errCode = 0;
104    auto iter = unwMaps.find(unwError);
105    if (iter == unwMaps.end()) {
106        return;
107    }
108    errCode = iter->second;
109    ReportCrashException(g_crashProcessName, g_crashProcessPid, g_crashProcessUid, errCode);
110}
111
112bool CheckFaultSummaryValid(const std::string &summary)
113{
114    return (summary.find("#00 pc") != std::string::npos) && (summary.find("#01 pc") != std::string::npos) &&
115           (summary.find("#02 pc") != std::string::npos);
116}
117
118} // namespace HiviewDFX
119} // namesapce OHOS
120