Files
pmt/jni/PartitionManager/PartedUtils.cpp
2024-12-14 11:17:56 +03:00

138 lines
3.2 KiB
C++
Executable File

/* By YZBruh */
/**
* Copyright 2024 Partition Manager
*
* 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 INC_MAIN_LIBS 1
#define INC_STRINGKEYS 1
#define INC_DEBUGERS 1
#define INC_PTHREAD 1
/* using by new devices */
#define DEFAULT_DEVICE_NEW "/dev/block/sda"
/* using by old devices */
#define DEFAULT_DEVICE_OLD "/dev/block/mmcblk0"
/**
* These macros will be added/deleted/modified
* according to user feedback.
*/
#include <PartitionManager/PartitionManager.h>
#include <PartitionManager/Parted.h>
static bool started = false, o_ended = false;
static int ret = 0;
static pthread_mutex_t plock = PTHREAD_MUTEX_INITIALIZER;
extern "C" void* __start_parted(void* dummy_arg);
extern "C" void* __watch_parted(void* dummy_arg);
bool PartitionManager::SearchDevice(const string& DevicePath)
{
VLOGD("Check '%s'.\n", DevicePath.c_str());
if (PartitionManager::GetState(DevicePath, "none") != 0) {
VLOGD("Cannot find '%s'.\n", DevicePath.c_str());
return false;
} else VLOGD("Founded: '%s'.\n", DevicePath.c_str());
return true;
}
bool PartitionManager::SearchDefaultDevices(void)
{
VLOGD("Searching '%s'.\n", DEFAULT_DEVICE_NEW);
if (PartitionManager::SearchDevice(DEFAULT_DEVICE_NEW)) {
PartitionManager::Strings::Device = DEFAULT_DEVICE_NEW;
return true;
}
VLOGD("Searching '%s'.\n", DEFAULT_DEVICE_NEW);
if (PartitionManager::SearchDevice(DEFAULT_DEVICE_OLD)) {
PartitionManager::Strings::Device = DEFAULT_DEVICE_OLD;
return true;
}
return false;
}
void* __watch_parted(void* dummy_arg)
{
while (1) {
pthread_mutex_lock(&plock);
if (started) {
if (o_ended) {
pthread_mutex_unlock(&plock);
return NULL;
}
if (set_ret) {
LOGD("%s: %d.\n",
PartitionManager::Display::UsingDispString->exited_with,
parted_ret);
pthread_mutex_unlock(&plock);
return NULL;
}
} else {
VLOGD("Parted is still not started...\n");
sleep(1);
}
pthread_mutex_unlock(&plock);
usleep(1000);
}
}
void* __start_parted(void* dummy_arg)
{
VLOGD("Generating arguments...\n");
char* arguments[] = {
"parted-pmt",
(char*)PartitionManager::Strings::Device.c_str(),
};
LOGD("%s...\n", PartitionManager::Display::UsingDispString->starting_parted);
VLOGD("Calling parted_main...\n");
pthread_mutex_lock(&plock);
started = true;
pthread_mutex_unlock(&plock);
ret = parted_main(2, arguments);
pthread_mutex_lock(&plock);
o_ended = true;
pthread_mutex_unlock(&plock);
sleep(1);
return NULL;
}
int PartitionManager::StartParted(void)
{
pthread_t t1, t2;
pthread_create(&t1, NULL, __start_parted, NULL);
pthread_create(&t2, NULL, __watch_parted, NULL);
pthread_join(t1, NULL);
pthread_join(t2, NULL);
return ret;
}
/* end of code */