1/*
2 * Copyright (C) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "flash_commander.h"
17
18#include "datetime_ex.h"
19#include "flashd_define.h"
20#include "flashd_utils.h"
21#include "fs_manager/mount.h"
22#include "ptable_parse/ptable_manager.h"
23#include "updater/updater.h"
24
25namespace Flashd {
26namespace {
27constexpr size_t CMD_PARAM_COUNT_MIN = 2;
28}
29
30void FlashCommander::DoCommand(const std::string &cmmParam, size_t fileSize)
31{
32    FLASHD_LOGI("start to flash");
33    auto params = Split(cmmParam, { "-f" });
34    if (params.size() < CMD_PARAM_COUNT_MIN) {
35        FLASHD_LOGE("flash param count is %u, not invaild", params.size());
36        NotifyFail(CmdType::FLASH);
37        return;
38    }
39
40    fileSize_ = fileSize;
41    partName_ = params[0];
42    startTime_ = OHOS::GetMicroTickCount();
43
44    if (auto ret = Updater::MountForPath(GetPathRoot(FLASHD_FILE_PATH)); ret != 0) {
45        FLASHD_LOGE("MountForPath fail, ret = %d", ret);
46        NotifyFail(CmdType::FLASH);
47        return;
48    }
49
50    if (access(FLASHD_FILE_PATH, F_OK) == -1) {
51        mkdir(FLASHD_FILE_PATH, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
52    }
53    return;
54}
55
56void FlashCommander::DoCommand(const uint8_t *payload, int payloadSize)
57{
58    if (payload == nullptr || payloadSize <= 0) {
59        FLASHD_LOGE("payload is null or payloadSize is invaild");
60        NotifyFail(CmdType::FLASH);
61        return;
62    }
63
64    auto writeSize = DoFlash(payload, payloadSize);
65    if (writeSize < 0) {
66        NotifyFail(CmdType::FLASH);
67        return;
68    }
69
70    currentSize_ += static_cast<size_t>(writeSize);
71    if (currentSize_ >= fileSize_) {
72        auto useSec = static_cast<double>(OHOS::GetMicroTickCount() - startTime_) / OHOS::SEC_TO_MICROSEC;
73        FLASHD_LOGI("flash success, size = %u bytes, %.3lf s", fileSize_, useSec);
74        NotifySuccess(CmdType::FLASH);
75        return;
76    }
77    UpdateProgress(CmdType::FLASH);
78}
79
80bool FlashCommander::InitPartition(const std::string &partName, const uint8_t *buffer, int bufferSize)
81{
82#ifdef UPDATER_USE_PTABLE
83    DevicePtable::GetInstance().LoadPartitionInfo();
84#endif
85    std::unique_ptr<FlashdWriter> writer = FlashdImageWriter::GetInstance().GetWriter(
86        partName, buffer, bufferSize);
87    if (writer == nullptr) {
88        FLASHD_LOGE("FlashdImageWriter GetWriter error");
89        return false;
90    }
91    partition_ = std::make_unique<Partition>(partName, std::move(writer));
92    return (partition_ == nullptr) ? false : true;
93}
94
95int FlashCommander::DoFlash(const uint8_t *payload, int payloadSize)
96{
97    if (partition_ == nullptr) {
98        if (!InitPartition(partName_, payload, payloadSize)) {
99            FLASHD_LOGE("DoFlash InitPartition fail");
100            return -1;
101        }
102    }
103
104    auto writeSize = std::min(static_cast<size_t>(payloadSize), fileSize_ - currentSize_);
105    if (writeSize <= 0) {
106        FLASHD_LOGW("all the data is written");
107        return 0;
108    }
109
110    if (partition_->DoFlash(payload, writeSize) != 0) {
111        FLASHD_LOGE("DoFlash fail");
112        return -1;
113    }
114    return writeSize;
115}
116
117void FlashCommander::PostCommand()
118{
119    Updater::PostUpdater(false);
120}
121} // namespace Flashd