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 <stdint.h>
18#include <inttypes.h>
19#include <chre.h>
20
21#define APP_LABEL "CHRE App 2: "
22
23/* chre.h does not define printf format attribute for chreLog() */
24void chreLog(enum chreLogLevel level, const char *str, ...) __attribute__ ((__format__ (__printf__, 2, 3)));
25
26#define EVT_LOCAL_SETUP CHRE_EVENT_FIRST_USER_VALUE
27
28struct MyTimer {
29    uint64_t startTime;
30    uint32_t timerId;
31};
32
33struct ExtMsg
34{
35    uint8_t msg;
36    uint32_t val;
37} __attribute__((packed));
38
39static const uint64_t kOneSecond = UINT64_C(1000000000); // in nanoseconds
40
41static uint32_t mMyTid;
42static uint64_t mMyAppId;
43static int mCnt;
44static struct MyTimer mTimer;
45
46bool nanoappStart(void)
47{
48    mMyAppId = chreGetAppId();
49    mMyTid = chreGetInstanceId();
50    mCnt = 3;
51    chreSendEvent(EVT_LOCAL_SETUP, NULL, NULL, mMyTid);
52    chreLog(CHRE_LOG_INFO, APP_LABEL "init: offset: %" PRId64, chreGetEstimatedHostTimeOffset());
53    chreConfigureNanoappInfoEvents(true);
54    return true;
55}
56
57void nanoappEnd(void)
58{
59    chreLog(CHRE_LOG_INFO, APP_LABEL "terminating");
60}
61
62void nanoappHandleEvent(uint32_t srcTid, uint16_t evtType, const void* evtData)
63{
64    switch (evtType) {
65    case  EVT_LOCAL_SETUP:
66    {
67        uint32_t instanceId = chreGetInstanceId();
68        uint64_t appId = chreGetAppId();
69        struct chreNanoappInfo info;
70
71        mTimer.startTime = chreGetTime();
72        mTimer.timerId = chreTimerSet(kOneSecond, &mTimer, false);
73        chreLog(CHRE_LOG_INFO, APP_LABEL "started with tid %04" PRIX32
74                               " timerid %" PRIu32
75                               "\n", mMyTid, mTimer.timerId);
76        chreLog(CHRE_LOG_INFO, APP_LABEL "appId=%016llx; instanceId=%ld",
77            appId, instanceId);
78        if (chreGetNanoappInfoByInstanceId(instanceId, &info)) {
79            chreLog(CHRE_LOG_INFO, APP_LABEL "info by instanceId; appId=%08llx; version=%ld; instanceId=%ld",
80                info.appId, info.version, info.instanceId);
81        } else {
82            chreLog(CHRE_LOG_INFO, APP_LABEL "error getting info by instance id");
83        }
84        if (chreGetNanoappInfoByAppId(appId, &info)) {
85            chreLog(CHRE_LOG_INFO, APP_LABEL "info by appId; appId=%08llx; version=%ld; instanceId=%ld",
86                info.appId, info.version, info.instanceId);
87        } else {
88             chreLog(CHRE_LOG_INFO, APP_LABEL "error getting info by app id");
89        }
90        break;
91    }
92    case CHRE_EVENT_TIMER:
93    {
94        const struct MyTimer *t = (const struct MyTimer *)evtData;
95
96        chreLog(CHRE_LOG_INFO, APP_LABEL "received timer %" PRIu32
97                               " (START: %" PRIu64 " TIME: %" PRIu64 " OFFSET: %" PRId64
98                               ") cnt: %d\n", t->timerId, t->startTime, chreGetTime(),
99                               chreGetEstimatedHostTimeOffset(),  mCnt);
100        if (mCnt-- <= 0) {
101            chreTimerCancel(t->timerId);
102            chreAbort(0x0001);
103            chreAbort(0x0002);
104        }
105        break;
106    }
107    case CHRE_EVENT_MESSAGE_FROM_HOST:
108    {
109        const struct chreMessageFromHostData *msg = (const struct chreMessageFromHostData *)evtData;
110        const uint8_t *data = (const uint8_t *)msg->message;
111        const size_t size = msg->messageSize;
112        const uint32_t type = msg->messageType;
113        const uint16_t endpoint = msg->hostEndpoint;
114        chreLog(CHRE_LOG_INFO, APP_LABEL "message=%p; code=%d; size=%zu; type=%ld; endpoint=%d",
115                data, (data && size) ? data[0] : 0, size, type, endpoint);
116        break;
117    }
118    case CHRE_EVENT_NANOAPP_STARTED:
119    {
120        const struct chreNanoappInfo *msg = (const struct chreNanoappInfo *)evtData;
121        const uint64_t appId = msg->appId;
122        const uint32_t version = msg->version;
123        const uint32_t instanceId = msg->instanceId;
124        chreLog(CHRE_LOG_INFO, APP_LABEL "app started; appId=%08llx; version=%ld; instanceId=%ld",
125                appId, version, instanceId);
126        break;
127    }
128    case CHRE_EVENT_NANOAPP_STOPPED:
129    {
130        const struct chreNanoappInfo *msg = (const struct chreNanoappInfo *)evtData;
131        const uint64_t appId = msg->appId;
132        const uint32_t version = msg->version;
133        const uint32_t instanceId = msg->instanceId;
134        chreLog(CHRE_LOG_INFO, APP_LABEL "app stopped; appId=%08llx; version=%ld; instanceId=%ld",
135                appId, version, instanceId);
136        break;
137    }
138    }
139}
140