mirror of https://github.com/axmolengine/axmol.git
133 lines
4.9 KiB
C++
133 lines
4.9 KiB
C++
/****************************************************************************
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Copyright (c) 2015-2016 cocos2d-x.org
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include <functional>
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#include <string>
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#include <memory>
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#include <vector>
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#include "platform/CCPlatformMacros.h"
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namespace cocos2d { namespace network {
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class IDownloadTask;
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class IDownloaderImpl;
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class Downloader;
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class CC_DLL DownloadTask final
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{
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public:
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const static int ERROR_NO_ERROR = 0;
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const static int ERROR_INVALID_PARAMS = -1;
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const static int ERROR_OPEN_FILE_FAILED = -2;
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const static int ERROR_IMPL_INTERNAL = -3;
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const static int ERROR_TASK_DUPLICATED = -4;
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const static int ERROR_CREATE_DIR_FAILED = -5;
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const static int ERROR_REMOVE_FILE_FAILED = -6;
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const static int ERROR_RENAME_FILE_FAILED = -7;
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const static int ERROR_CHECK_SUM_FAILED = -8;
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const static int ERROR_ORIGIN_FILE_MISSING = -9;
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std::string identifier;
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std::string requestURL;
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std::string storagePath;
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struct {
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// progress
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int64_t totalBytesExpected = 0;
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int64_t bytesReceived = 0;
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int64_t totalBytesReceived = 0;
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// speed
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double speedInBytes = 0;
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} mutable progressInfo;
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DownloadTask();
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DownloadTask(const std::string& srcUrl, const std::string& identifier);
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DownloadTask(const std::string& srcUrl,
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const std::string& storagePath,
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const std::string& checksum, // currently is MD5
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const std::string& identifier);
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virtual ~DownloadTask();
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// Cancel the download, it's useful for ios platform switch wifi to 4g
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void cancel();
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std::string checksum; // The MD5 checksum for check only when download finished.
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private:
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friend class Downloader;
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std::unique_ptr<IDownloadTask> _coTask;
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};
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class CC_DLL DownloaderHints
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{
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public:
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uint32_t countOfMaxProcessingTasks;
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uint32_t timeoutInSeconds;
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std::string tempFileNameSuffix;
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};
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class CC_DLL Downloader final
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{
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public:
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Downloader();
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Downloader(const DownloaderHints& hints);
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~Downloader();
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std::function<void(const DownloadTask& task,
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std::vector<unsigned char>& data)> onDataTaskSuccess;
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std::function<void(const DownloadTask& task)> onFileTaskSuccess;
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std::function<void(const DownloadTask& task)> onTaskProgress;
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std::function<void(const DownloadTask& task,
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int errorCode,
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int errorCodeInternal,
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const std::string& errorStr)> onTaskError;
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void setOnFileTaskSuccess(const std::function<void(const DownloadTask& task)>& callback) {onFileTaskSuccess = callback;};
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void setOnTaskProgress(const std::function<void(const DownloadTask& task)>& callback) {onTaskProgress = callback;};
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void setOnTaskError(const std::function<void(const DownloadTask& task,
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int errorCode,
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int errorCodeInternal,
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const std::string& errorStr)>& callback) {onTaskError = callback;};
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std::shared_ptr<DownloadTask> createDownloadDataTask(const std::string& srcUrl, const std::string& identifier = "");
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std::shared_ptr<DownloadTask> createDownloadFileTask(const std::string& srcUrl, const std::string& storagePath, const std::string& checksum = "", const std::string& identifier = "");
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private:
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std::unique_ptr<IDownloaderImpl> _impl;
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};
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}} // namespace cocos2d::network
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