blob: 3c05d9a3154765fe3507abc5a710099aba915e31 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "apexd"
#include "apexd_prop.h"
#include <android-base/logging.h>
#include <android-base/properties.h>
#include "apexd_utils.h"
namespace android {
namespace apex {
void waitForBootStatus(Status (&rollback_fn)(), void (&complete_fn)()) {
while (true) {
// Check for change in either crashing property or sys.boot_completed
// Wait for updatable_crashing property change for most of the time
// (arbitrary 30s), briefly check if boot has completed successfully,
// if not continue waiting for updatable_crashing.
// We use this strategy so that we can quickly detect if an updatable
// process is crashing.
if (android::base::WaitForProperty("ro.init.updatable_crashing", "1",
std::chrono::seconds(30))) {
LOG(INFO) << "Updatable crashing, attempting rollback";
auto status = rollback_fn();
if (!status.Ok()) {
LOG(ERROR) << "Rollback failed : " << status.ErrorMessage();
} else {
LOG(INFO) << "Successfuly rolled back. Rebooting device";
Reboot();
}
return;
}
if (android::base::GetProperty("sys.boot_completed", "") == "1") {
// Boot completed we can return
complete_fn();
return;
}
}
}
} // namespace apex
} // namespace android
|
