1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "chre/core/nanoapp.h"
18
19 #include "chre/core/event_loop_manager.h"
20 #include "chre/platform/assert.h"
21 #include "chre/platform/fatal_error.h"
22 #include "chre/platform/log.h"
23 #include "chre/util/system/debug_dump.h"
24
25 namespace chre {
26
~Nanoapp()27 Nanoapp::~Nanoapp() {
28 CHRE_ASSERT_LOG(getTotalAllocatedBytes() == 0,
29 "Nanoapp ID=0x%016" PRIx64 " still has %zu allocated bytes!", getAppId(),
30 getTotalAllocatedBytes());
31 }
32
isRegisteredForBroadcastEvent(uint16_t eventType) const33 bool Nanoapp::isRegisteredForBroadcastEvent(uint16_t eventType) const {
34 return (mRegisteredEvents.find(eventType) != mRegisteredEvents.size());
35 }
36
registerForBroadcastEvent(uint16_t eventId)37 bool Nanoapp::registerForBroadcastEvent(uint16_t eventId) {
38 if (isRegisteredForBroadcastEvent(eventId)) {
39 return false;
40 }
41
42 if (!mRegisteredEvents.push_back(eventId)) {
43 FATAL_ERROR_OOM();
44 }
45
46 return true;
47 }
48
unregisterForBroadcastEvent(uint16_t eventId)49 bool Nanoapp::unregisterForBroadcastEvent(uint16_t eventId) {
50 size_t registeredEventIndex = mRegisteredEvents.find(eventId);
51 if (registeredEventIndex == mRegisteredEvents.size()) {
52 return false;
53 }
54
55 mRegisteredEvents.erase(registeredEventIndex);
56 return true;
57 }
58
configureNanoappInfoEvents(bool enable)59 void Nanoapp::configureNanoappInfoEvents(bool enable) {
60 if (enable) {
61 registerForBroadcastEvent(CHRE_EVENT_NANOAPP_STARTED);
62 registerForBroadcastEvent(CHRE_EVENT_NANOAPP_STOPPED);
63 } else {
64 unregisterForBroadcastEvent(CHRE_EVENT_NANOAPP_STARTED);
65 unregisterForBroadcastEvent(CHRE_EVENT_NANOAPP_STOPPED);
66 }
67 }
68
configureHostSleepEvents(bool enable)69 void Nanoapp::configureHostSleepEvents(bool enable) {
70 if (enable) {
71 registerForBroadcastEvent(CHRE_EVENT_HOST_AWAKE);
72 registerForBroadcastEvent(CHRE_EVENT_HOST_ASLEEP);
73 } else {
74 unregisterForBroadcastEvent(CHRE_EVENT_HOST_AWAKE);
75 unregisterForBroadcastEvent(CHRE_EVENT_HOST_ASLEEP);
76 }
77 }
78
processNextEvent()79 Event *Nanoapp::processNextEvent() {
80 Event *event = mEventQueue.pop();
81
82 CHRE_ASSERT_LOG(event != nullptr, "Tried delivering event, but queue empty");
83 if (event != nullptr) {
84 handleEvent(event->senderInstanceId, event->eventType, event->eventData);
85 }
86
87 return event;
88 }
89
logStateToBuffer(char * buffer,size_t * bufferPos,size_t bufferSize) const90 void Nanoapp::logStateToBuffer(char *buffer, size_t *bufferPos,
91 size_t bufferSize) const {
92 PlatformNanoapp::logStateToBuffer(buffer, bufferPos, bufferSize);
93 debugDumpPrint(
94 buffer, bufferPos, bufferSize,
95 " Id=%" PRIu32 " AppId=0x%016" PRIx64
96 " ver=0x%" PRIx32 " targetAPI=0x%" PRIx32
97 " currentAllocatedBytes=%zu peakAllocatedBytes=%zu\n",
98 getInstanceId(), getAppId(), getAppVersion(), getTargetApiVersion(),
99 getTotalAllocatedBytes(), getPeakAllocatedBytes());
100 }
101
102 } // namespace chre
103