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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 #define LOG_TAG "charger"
18 #define KLOG_LEVEL 6
19 
20 #include <health2/Health.h>
21 #include <healthd/healthd.h>
22 
23 #include <stdlib.h>
24 #include <string.h>
25 #include <cutils/klog.h>
26 
27 using namespace android;
28 
29 // main healthd loop
30 extern int healthd_main(void);
31 
32 // Charger mode
33 
34 extern void healthd_mode_charger_init(struct healthd_config *config);
35 extern int healthd_mode_charger_preparetowait(void);
36 extern void healthd_mode_charger_heartbeat(void);
37 extern void healthd_mode_charger_battery_update(
38     struct android::BatteryProperties *props);
39 
40 // NOPs for modes that need no special action
41 
42 static void healthd_mode_nop_init(struct healthd_config *config);
43 static int healthd_mode_nop_preparetowait(void);
44 static void healthd_mode_nop_heartbeat(void);
45 static void healthd_mode_nop_battery_update(
46     struct android::BatteryProperties *props);
47 
48 static struct healthd_mode_ops healthd_nops = {
49     .init = healthd_mode_nop_init,
50     .preparetowait = healthd_mode_nop_preparetowait,
51     .heartbeat = healthd_mode_nop_heartbeat,
52     .battery_update = healthd_mode_nop_battery_update,
53 };
54 
55 #ifdef CHARGER_NO_UI
56 static struct healthd_mode_ops charger_ops = healthd_nops;
57 #else
58 static struct healthd_mode_ops charger_ops = {
59     .init = healthd_mode_charger_init,
60     .preparetowait = healthd_mode_charger_preparetowait,
61     .heartbeat = healthd_mode_charger_heartbeat,
62     .battery_update = healthd_mode_charger_battery_update,
63 };
64 #endif
65 
healthd_mode_nop_init(struct healthd_config * config)66 static void healthd_mode_nop_init(struct healthd_config* config) {
67     using android::hardware::health::V2_0::implementation::Health;
68     Health::initInstance(config);
69 }
70 
healthd_mode_nop_preparetowait(void)71 static int healthd_mode_nop_preparetowait(void) {
72     return -1;
73 }
74 
healthd_mode_nop_heartbeat(void)75 static void healthd_mode_nop_heartbeat(void) {
76 }
77 
healthd_mode_nop_battery_update(struct android::BatteryProperties *)78 static void healthd_mode_nop_battery_update(
79     struct android::BatteryProperties* /*props*/) {
80 }
81 
healthd_charger_main(int argc,char ** argv)82 int healthd_charger_main(int argc, char** argv) {
83     int ch;
84 
85     healthd_mode_ops = &charger_ops;
86 
87     while ((ch = getopt(argc, argv, "cr")) != -1) {
88         switch (ch) {
89             case 'c':
90                 // -c is now a noop
91                 break;
92             case 'r':
93                 // force nops for recovery
94                 healthd_mode_ops = &healthd_nops;
95                 break;
96             case '?':
97             default:
98                 KLOG_ERROR(LOG_TAG, "Unrecognized charger option: %c\n",
99                         optopt);
100                 exit(1);
101         }
102     }
103 
104     return healthd_main();
105 }
106 
107 #ifndef CHARGER_TEST
main(int argc,char ** argv)108 int main(int argc, char** argv) {
109     return healthd_charger_main(argc, argv);
110 }
111 #endif
112