1 /*
2 * Copyright (C) 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 "player_xcollie.h"
17 #include <unistd.h>
18 #include "media_errors.h"
19 #include "media_log.h"
20 #include "param_wrapper.h"
21 #ifdef HICOLLIE_ENABLE
22 #include "xcollie/xcollie.h"
23 #include "xcollie/xcollie_define.h"
24 #endif
25
26 namespace {
27 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = {LOG_CORE, LOG_DOMAIN, "PlayerXCollie"};
28 }
29
30 namespace OHOS {
31 namespace Media {
GetInstance()32 PlayerXCollie &PlayerXCollie::GetInstance()
33 {
34 static PlayerXCollie instance;
35 return instance;
36 }
37
TimerCallback(void * data)38 void PlayerXCollie::TimerCallback(void *data)
39 {
40 std::lock_guard<std::mutex> lock(mutex_);
41 threadDeadlockCount_++;
42 MEDIA_LOGE("threadDeadlockCount: %{public}d", threadDeadlockCount_);
43 static constexpr uint32_t threshold = 5; // >5 Restart service
44 if (threadDeadlockCount_ >= threshold) {
45 _exit(-1);
46 }
47 }
48
Dump(int32_t fd)49 int32_t PlayerXCollie::Dump(int32_t fd)
50 {
51 std::lock_guard<std::mutex> lock(mutex_);
52 std::string dumpString = "------------------XCollieDfx------------------\n";
53 for (const auto &iter : dfxDumper_) {
54 dumpString += "WaitTask-----";
55 dumpString += iter.second;
56 dumpString += "-----\n";
57 }
58 if (fd != -1) {
59 write(fd, dumpString.c_str(), dumpString.size());
60 dumpString.clear();
61 }
62 return MSERR_OK;
63 }
64
SetTimer(const std::string & name,bool recovery,uint32_t timeout)65 int32_t PlayerXCollie::SetTimer(const std::string &name, bool recovery, uint32_t timeout)
66 {
67 #ifdef HICOLLIE_ENABLE
68 auto func = [this](void *data) {
69 this->TimerCallback(data);
70 };
71
72 unsigned int flag = HiviewDFX::XCOLLIE_FLAG_LOG | HiviewDFX::XCOLLIE_FLAG_NOOP;
73 if (recovery) {
74 flag |= HiviewDFX::XCOLLIE_FLAG_RECOVERY;
75 }
76 int32_t id = HiviewDFX::XCollie::GetInstance().SetTimer(name, timeout, func, this, flag);
77 if (id != HiviewDFX::INVALID_ID) {
78 std::lock_guard<std::mutex> lock(mutex_);
79 dfxDumper_.emplace(id, name);
80 }
81 return id;
82 #else
83 return -1;
84 #endif
85 }
86
SetTimerByLog(const std::string & name,uint32_t timeout)87 int32_t PlayerXCollie::SetTimerByLog(const std::string &name, uint32_t timeout)
88 {
89 #ifdef HICOLLIE_ENABLE
90 unsigned int flag = HiviewDFX::XCOLLIE_FLAG_LOG;
91 int32_t id = HiviewDFX::XCollie::GetInstance().SetTimer(name, timeout, nullptr, this, flag);
92 if (id != HiviewDFX::INVALID_ID) {
93 std::lock_guard<std::mutex> lock(mutex_);
94 dfxDumper_.emplace(id, name);
95 }
96 return id;
97 #else
98 return -1;
99 #endif
100 }
101
CancelTimer(int32_t id)102 void PlayerXCollie::CancelTimer(int32_t id)
103 {
104 #ifdef HICOLLIE_ENABLE
105 if (id != HiviewDFX::INVALID_ID) {
106 std::lock_guard<std::mutex> lock(mutex_);
107 auto it = dfxDumper_.find(id);
108 if (it != dfxDumper_.end()) {
109 dfxDumper_.erase(it);
110 return HiviewDFX::XCollie::GetInstance().CancelTimer(id);
111 }
112 }
113 #else
114 (void)id;
115 return;
116 #endif
117 }
118 } // namespace Media
119 } // namespace OHOS