PawletOS/android_bootable_recovery
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save uncrypt status to last_install

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Save the uncrypt time cost to /cache/recovery/uncrypt_status. Recovery
reads the file and saves its contents to last_install.

Bug: 31383361
Test: Tested on angler and uncrypt_time reports correctly.

(cherry picked from commit fe16b5ccaf)

Change-Id: Id69681a35c7eb2f0eb21b48e3616dcda82ce41b8
This commit is contained in:
Tianjie Xu
2016-09-09 10:55:44 -07:00
parent 62ab2a0fbc
commit e16e799dfd
2 changed files with 34 additions and 0 deletions
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21
uncrypt/uncrypt.cpp
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@@ -134,6 +134,7 @@
// devices, on which /cache partitions always exist.
static const std::string CACHE_BLOCK_MAP = "/cache/recovery/block.map";
static const std::string UNCRYPT_PATH_FILE = "/cache/recovery/uncrypt_file";
static const std::string UNCRYPT_STATUS = "/cache/recovery/uncrypt_status";
static const std::string UNCRYPT_SOCKET = "uncrypt";
static struct fstab* fstab = nullptr;
@@ -466,12 +467,32 @@ static bool uncrypt_wrapper(const char* input_path, const char* map_file, const
input_path = package.c_str();
}
CHECK(map_file != nullptr);
#define UNCRYPT_TIME_HOLDER 0x7FFFFFFF
// Intialize the uncrypt time cost to a huge number so that we can tell from
// the statistics if an uncrypt fails to finish.
if (!android::base::WriteStringToFile(android::base::StringPrintf(
"uncrypt_time: %d\n", UNCRYPT_TIME_HOLDER), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
auto start = std::chrono::system_clock::now();
int status = uncrypt(input_path, map_file, socket);
if (status != 0) {
write_status_to_socket(-1, socket);
return false;
}
std::chrono::duration<double> duration = std::chrono::system_clock::now() - start;
int count = static_cast<int>(duration.count());
// Overwrite the uncrypt_time if uncrypt finishes successfully.
if (!android::base::WriteStringToFile(
android::base::StringPrintf("uncrypt_time: %d\n", count), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
write_status_to_socket(100, socket);
return true;
}