1 /*
2 * Copyright (C) 2017 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 <cinttypes>
18
19 #include "chre_api/chre.h"
20 #include "chre/platform/assert.h"
21 #include "chre/platform/log.h"
22 #include "chre/platform/static_nanoapp_init.h"
23 #include "chre/util/nanoapp/app_id.h"
24
25 /**
26 * @file
27 * A nanoapp exclusively for testing, which sends a constant stream of messages
28 * and events. Must only be compiled as a static/internal nanoapp.
29 */
30
31 namespace chre {
32 namespace {
33
34 constexpr uint32_t kMessageType = 1234;
35 uint8_t gMessageData[] = {1, 2, 3, 4, 5, 6, 7, 8};
36 bool gRunning = false;
37 uint64_t gTotalEventCount = 0;
38
39 constexpr uint16_t kMessageSentEvent = CHRE_EVENT_FIRST_USER_VALUE;
40 constexpr uint16_t kRepeatedEvent = kMessageSentEvent + 1;
41 constexpr uint16_t kEmptyEvent = kRepeatedEvent + 2;
42
43 void *kMessageSentEventData = reinterpret_cast<void *>(0x100);
44 void *kRepeatedEventData = reinterpret_cast<void *>(0x200);
45
messageSentEventFreeCallback(uint16_t eventType,void * data)46 void messageSentEventFreeCallback(uint16_t eventType, void *data) {
47 CHRE_ASSERT(gRunning);
48 CHRE_ASSERT(eventType == kMessageSentEvent);
49 CHRE_ASSERT(data == kMessageSentEventData);
50 }
51
messageFreeCallback(void * message,size_t messageSize)52 void messageFreeCallback(void *message, size_t messageSize) {
53 CHRE_ASSERT(gRunning);
54 if (!chreSendEvent(kMessageSentEvent, kMessageSentEventData,
55 messageSentEventFreeCallback, chreGetInstanceId())) {
56 LOGE("Couldn't send event from message free callback");
57 }
58 }
59
repeatedEventFreeCallback(uint16_t eventType,void * data)60 void repeatedEventFreeCallback(uint16_t eventType, void *data) {
61 CHRE_ASSERT(gRunning);
62 CHRE_ASSERT(eventType == kRepeatedEvent);
63 CHRE_ASSERT(data == kRepeatedEventData);
64 }
65
nanoappStart()66 bool nanoappStart() {
67 gRunning = true;
68 LOGI("Spammer started as instance %" PRIu32, chreGetInstanceId());
69
70 if (!chreSendMessageToHostEndpoint(
71 gMessageData, sizeof(gMessageData), kMessageType,
72 CHRE_HOST_ENDPOINT_BROADCAST, messageFreeCallback)) {
73 LOGE("Couldn't send message from start callback");
74 }
75
76 if (!chreSendEvent(kRepeatedEvent, kRepeatedEventData,
77 repeatedEventFreeCallback, chreGetInstanceId())) {
78 LOGE("Couldn't send first repeated event");
79 }
80 if (!chreSendEvent(kEmptyEvent, nullptr, nullptr, chreGetInstanceId())) {
81 LOGE("Couldn't send first empty event");
82 }
83
84 return true;
85 }
86
nanoappHandleEvent(uint32_t senderInstanceId,uint16_t eventType,const void * eventData)87 void nanoappHandleEvent(uint32_t senderInstanceId,
88 uint16_t eventType,
89 const void *eventData) {
90 CHRE_ASSERT(gRunning);
91 gTotalEventCount++;
92 if (eventType == kMessageSentEvent) {
93 CHRE_ASSERT(eventData == kMessageSentEventData);
94 if (!chreSendMessageToHostEndpoint(
95 gMessageData, sizeof(gMessageData), kMessageType,
96 CHRE_HOST_ENDPOINT_BROADCAST, messageFreeCallback)) {
97 // Note: commented out to prevent logspam because Linux simulator
98 // currently always returns false
99 //LOGE("Couldn't send message");
100 }
101 } else if (eventType == kRepeatedEvent) {
102 CHRE_ASSERT(eventData == kRepeatedEventData);
103 if (!chreSendEvent(kRepeatedEvent, kRepeatedEventData,
104 repeatedEventFreeCallback, chreGetInstanceId())) {
105 LOGE("Couldn't send repeated event");
106 }
107 } else if (eventType == kEmptyEvent) {
108 CHRE_ASSERT(eventData == nullptr);
109 if (!chreSendEvent(kEmptyEvent, nullptr, nullptr, chreGetInstanceId())) {
110 LOGE("Couldn't send empty event");
111 }
112 }
113 }
114
nanoappEnd()115 void nanoappEnd() {
116 LOGI("Stopped - handled %" PRIu64 " total events", gTotalEventCount);
117 gRunning = false;
118 }
119
120 } // anonymous namespace
121 } // namespace chre
122
123 CHRE_STATIC_NANOAPP_INIT(Spammer, chre::kSpammerAppId, 0);
124