mirror of https://github.com/axmolengine/axmol.git
731 lines
25 KiB
C++
731 lines
25 KiB
C++
/****************************************************************************
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Copyright (c) 2013 cocos2d-x.org
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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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#include "Downloader.h"
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#include "cocos2d.h"
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#include <curl/curl.h>
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#include <curl/easy.h>
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#include <cstdio>
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#include <cerrno>
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NS_CC_EXT_BEGIN
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#define LOW_SPEED_LIMIT 1L
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#define LOW_SPEED_TIME 5L
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#define MAX_REDIRS 2
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#define DEFAULT_TIMEOUT 5
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#define HTTP_CODE_SUPPORT_RESUME 206
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#define MAX_WAIT_MSECS 30*1000 /* Wait max. 30 seconds */
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#define TEMP_EXT ".temp"
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size_t fileWriteFunc(void *ptr, size_t size, size_t nmemb, void *userdata)
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{
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FILE *fp = (FILE*)userdata;
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size_t written = fwrite(ptr, size, nmemb, fp);
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return written;
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}
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size_t bufferWriteFunc(void *ptr, size_t size, size_t nmemb, void *userdata)
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{
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Downloader::StreamData *streamBuffer = (Downloader::StreamData *)userdata;
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size_t written = size * nmemb;
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// Avoid pointer overflow
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if (streamBuffer->offset + written <= static_cast<size_t>(streamBuffer->total))
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{
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memcpy(streamBuffer->buffer + streamBuffer->offset, ptr, written);
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streamBuffer->offset += written;
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return written;
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}
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else return 0;
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}
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// This is only for batchDownload process, will notify file succeed event in progress function
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int batchDownloadProgressFunc(Downloader::ProgressData *ptr, double totalToDownload, double nowDownloaded, double totalToUpLoad, double nowUpLoaded)
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{
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if (ptr->totalToDownload == 0)
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{
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ptr->totalToDownload = totalToDownload;
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}
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if (ptr->downloaded != nowDownloaded)
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{
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ptr->downloaded = nowDownloaded;
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Downloader::ProgressData data = *ptr;
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if (nowDownloaded == totalToDownload)
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{
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Director::getInstance()->getScheduler()->performFunctionInCocosThread([=]{
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if (!data.downloader.expired())
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{
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std::shared_ptr<Downloader> downloader = data.downloader.lock();
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auto progressCB = downloader->getProgressCallback();
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if (progressCB != nullptr)
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{
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progressCB(totalToDownload, nowDownloaded, data.url, data.customId);
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}
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auto successCB = downloader->getSuccessCallback();
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if (successCB != nullptr)
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{
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successCB(data.url, data.path + data.name, data.customId);
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}
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}
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});
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}
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else
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{
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Director::getInstance()->getScheduler()->performFunctionInCocosThread([=]{
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if (!data.downloader.expired())
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{
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std::shared_ptr<Downloader> downloader = data.downloader.lock();
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auto callback = downloader->getProgressCallback();
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if (callback != nullptr)
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{
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callback(totalToDownload, nowDownloaded, data.url, data.customId);
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}
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}
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});
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}
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}
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return 0;
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}
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// Compare to batchDownloadProgressFunc, this only handles progress information notification
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int downloadProgressFunc(Downloader::ProgressData *ptr, double totalToDownload, double nowDownloaded, double totalToUpLoad, double nowUpLoaded)
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{
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if (ptr->totalToDownload == 0)
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{
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ptr->totalToDownload = totalToDownload;
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}
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if (ptr->downloaded != nowDownloaded)
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{
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ptr->downloaded = nowDownloaded;
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Downloader::ProgressData data = *ptr;
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Director::getInstance()->getScheduler()->performFunctionInCocosThread([=]{
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if (!data.downloader.expired())
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{
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std::shared_ptr<Downloader> downloader = data.downloader.lock();
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auto callback = downloader->getProgressCallback();
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if (callback != nullptr)
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{
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callback(totalToDownload, nowDownloaded, data.url, data.customId);
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}
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}
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});
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}
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return 0;
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}
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Downloader::Downloader()
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: _connectionTimeout(DEFAULT_TIMEOUT)
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, _onError(nullptr)
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, _onProgress(nullptr)
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, _onSuccess(nullptr)
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, _supportResuming(false)
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{
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_fileUtils = FileUtils::getInstance();
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}
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Downloader::~Downloader()
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{
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}
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int Downloader::getConnectionTimeout()
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{
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return _connectionTimeout;
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}
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void Downloader::setConnectionTimeout(int timeout)
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{
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if (timeout >= 0)
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_connectionTimeout = timeout;
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}
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void Downloader::notifyError(ErrorCode code, const std::string &msg/* ="" */, const std::string &customId/* ="" */, int curle_code/* = CURLE_OK*/, int curlm_code/* = CURLM_OK*/)
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{
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std::weak_ptr<Downloader> ptr = shared_from_this();
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Director::getInstance()->getScheduler()->performFunctionInCocosThread([=]{
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if (!ptr.expired())
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{
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std::shared_ptr<Downloader> downloader = ptr.lock();
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if (downloader->_onError != nullptr)
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{
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Error err;
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err.code = code;
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err.curle_code = curle_code;
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err.curlm_code = curlm_code;
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err.message = msg;
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err.customId = customId;
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downloader->_onError(err);
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}
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}
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});
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}
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void Downloader::notifyError(const std::string &msg, int curlm_code, const std::string &customId/* = ""*/)
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{
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notifyError(ErrorCode::CURL_MULTI_ERROR, msg, customId, CURLE_OK, curlm_code);
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}
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void Downloader::notifyError(const std::string &msg, const std::string &customId, int curle_code)
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{
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notifyError(ErrorCode::CURL_EASY_ERROR, msg, customId, curle_code);
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}
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std::string Downloader::getFileNameFromUrl(const std::string &srcUrl)
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{
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// Find file name and file extension
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std::string filename;
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unsigned long found = srcUrl.find_last_of("/\\");
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if (found != std::string::npos)
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filename = srcUrl.substr(found+1);
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return filename;
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}
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void Downloader::clearBatchDownloadData()
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{
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while (_progDatas.size() != 0) {
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delete _progDatas.back();
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_progDatas.pop_back();
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}
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while (_files.size() != 0) {
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delete _files.back();
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_files.pop_back();
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}
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}
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void Downloader::prepareDownload(const std::string &srcUrl, const std::string &storagePath, const std::string &customId, bool resumeDownload, FileDescriptor *fDesc, ProgressData *pData)
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{
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std::shared_ptr<Downloader> downloader = shared_from_this();
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pData->customId = customId;
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pData->url = srcUrl;
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pData->downloader = downloader;
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pData->downloaded = 0;
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pData->totalToDownload = 0;
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fDesc->fp = nullptr;
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fDesc->curl = nullptr;
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Error err;
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err.customId = customId;
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// Asserts
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// Find file name and file extension
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unsigned long found = storagePath.find_last_of("/\\");
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if (found != std::string::npos)
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{
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pData->name = storagePath.substr(found+1);
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pData->path = storagePath.substr(0, found+1);
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}
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else
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{
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err.code = ErrorCode::INVALID_URL;
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err.message = "Invalid url or filename not exist error: " + srcUrl;
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if (this->_onError) this->_onError(err);
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return;
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}
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// Create a file to save file.
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const std::string outFileName = storagePath + TEMP_EXT;
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if (_supportResuming && resumeDownload && _fileUtils->isFileExist(outFileName))
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{
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fDesc->fp = fopen(FileUtils::getInstance()->getSuitableFOpen(outFileName).c_str(), "ab");
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}
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else
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{
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fDesc->fp = fopen(FileUtils::getInstance()->getSuitableFOpen(outFileName).c_str(), "wb");
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}
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if (!fDesc->fp)
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{
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err.code = ErrorCode::CREATE_FILE;
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err.message = StringUtils::format("Can not create file %s: errno %d", outFileName.c_str(), errno);
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if (this->_onError) this->_onError(err);
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}
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}
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#if(CC_TARGET_PLATFORM == CC_PLATFORM_WP8 || CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
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Downloader::HeaderInfo Downloader::prepare(const std::string &srcUrl)
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{
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return prepareHeader(srcUrl);
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}
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#endif
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Downloader::HeaderInfo Downloader::prepareHeader(const std::string &srcUrl, void* header/* = nullptr */)
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{
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bool headerGiven = true;
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HeaderInfo info;
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info.valid = false;
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if (!header)
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{
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headerGiven = false;
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header = curl_easy_init();
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}
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curl_easy_setopt(header, CURLOPT_URL, srcUrl.c_str());
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curl_easy_setopt(header, CURLOPT_HEADER, 1);
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curl_easy_setopt(header, CURLOPT_NOBODY, 1);
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if (curl_easy_perform(header) == CURLE_OK)
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{
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char *url;
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char *contentType;
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curl_easy_getinfo(header, CURLINFO_EFFECTIVE_URL, &url);
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curl_easy_getinfo(header, CURLINFO_CONTENT_TYPE, &contentType);
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curl_easy_getinfo(header, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &info.contentSize);
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curl_easy_getinfo(header, CURLINFO_RESPONSE_CODE, &info.responseCode);
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info.url = url;
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info.contentType = contentType;
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info.valid = true;
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if (_onHeader)
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{
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_onHeader(srcUrl, info);
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}
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}
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else
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{
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info.contentSize = -1;
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std::string msg = StringUtils::format("Can not get content size of file (%s) : Request header failed", srcUrl.c_str());
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this->notifyError(ErrorCode::PREPARE_HEADER_ERROR, msg);
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}
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if (!headerGiven) {
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curl_easy_cleanup(header);
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}
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return info;
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}
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long Downloader::getContentSize(const std::string &srcUrl)
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{
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HeaderInfo info = prepareHeader(srcUrl);
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return info.contentSize;
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}
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void Downloader::getHeaderAsync(const std::string &srcUrl, const HeaderCallback &callback)
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{
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setHeaderCallback(callback);
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#if(CC_TARGET_PLATFORM == CC_PLATFORM_WP8 || CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
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auto t = std::thread(&Downloader::prepare, this, srcUrl);
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#else
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auto t = std::thread(&Downloader::prepareHeader, this, srcUrl, nullptr);
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#endif
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t.detach();
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}
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void Downloader::downloadToBufferAsync(const std::string &srcUrl, unsigned char *buffer, const long &size, const std::string &customId/* = ""*/)
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{
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if (buffer != nullptr)
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{
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std::shared_ptr<Downloader> downloader = shared_from_this();
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ProgressData pData;
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pData.customId = customId;
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pData.url = srcUrl;
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pData.downloader = downloader;
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pData.downloaded = 0;
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pData.totalToDownload = 0;
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StreamData streamBuffer;
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streamBuffer.buffer = buffer;
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streamBuffer.total = size;
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streamBuffer.offset = 0;
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auto t = std::thread(&Downloader::downloadToBuffer, this, srcUrl, customId, streamBuffer, pData);
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t.detach();
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}
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}
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void Downloader::downloadToBufferSync(const std::string &srcUrl, unsigned char *buffer, const long &size, const std::string &customId/* = ""*/)
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{
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if (buffer != nullptr)
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{
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std::shared_ptr<Downloader> downloader = shared_from_this();
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ProgressData pData;
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pData.customId = customId;
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pData.url = srcUrl;
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pData.downloader = downloader;
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pData.downloaded = 0;
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pData.totalToDownload = 0;
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StreamData streamBuffer;
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streamBuffer.buffer = buffer;
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streamBuffer.total = size;
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streamBuffer.offset = 0;
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downloadToBuffer(srcUrl, customId, streamBuffer, pData);
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}
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}
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void Downloader::downloadToBuffer(const std::string &srcUrl, const std::string &customId, const StreamData &buffer, const ProgressData &data)
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{
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std::weak_ptr<Downloader> ptr = shared_from_this();
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CURL *curl = curl_easy_init();
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if (!curl)
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{
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this->notifyError(ErrorCode::CURL_EASY_ERROR, "Can not init curl with curl_easy_init", customId);
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return;
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}
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// Download pacakge
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curl_easy_setopt(curl, CURLOPT_URL, srcUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, bufferWriteFunc);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
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curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, downloadProgressFunc);
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curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &data);
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curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
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if (_connectionTimeout) curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, _connectionTimeout);
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
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curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, LOW_SPEED_LIMIT);
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curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, LOW_SPEED_TIME);
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CURLcode res = curl_easy_perform(curl);
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if (res != CURLE_OK)
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{
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_fileUtils->removeFile(data.path + data.name + TEMP_EXT);
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std::string msg = StringUtils::format("Unable to download file: [curl error]%s", curl_easy_strerror(res));
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this->notifyError(msg, customId, res);
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}
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curl_easy_cleanup(curl);
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Director::getInstance()->getScheduler()->performFunctionInCocosThread([=]{
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if (!ptr.expired())
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{
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std::shared_ptr<Downloader> downloader = ptr.lock();
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auto successCB = downloader->getSuccessCallback();
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if (successCB != nullptr)
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{
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successCB(data.url, "", data.customId);
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}
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}
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});
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}
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void Downloader::downloadAsync(const std::string &srcUrl, const std::string &storagePath, const std::string &customId/* = ""*/)
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{
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FileDescriptor fDesc;
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ProgressData pData;
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prepareDownload(srcUrl, storagePath, customId, false, &fDesc, &pData);
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if (fDesc.fp != NULL)
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{
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auto t = std::thread(&Downloader::download, this, srcUrl, customId, fDesc, pData);
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t.detach();
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}
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}
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void Downloader::downloadSync(const std::string &srcUrl, const std::string &storagePath, const std::string &customId/* = ""*/)
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{
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FileDescriptor fDesc;
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ProgressData pData;
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prepareDownload(srcUrl, storagePath, customId, false, &fDesc, &pData);
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if (fDesc.fp != NULL)
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{
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download(srcUrl, customId, fDesc, pData);
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}
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}
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void Downloader::download(const std::string &srcUrl, const std::string &customId, const FileDescriptor &fDesc, const ProgressData &data)
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{
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std::weak_ptr<Downloader> ptr = shared_from_this();
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CURL *curl = curl_easy_init();
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if (!curl)
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{
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this->notifyError(ErrorCode::CURL_EASY_ERROR, "Can not init curl with curl_easy_init", customId);
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return;
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}
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// Download pacakge
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curl_easy_setopt(curl, CURLOPT_URL, srcUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fileWriteFunc);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, fDesc.fp);
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
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curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, downloadProgressFunc);
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curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &data);
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curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
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if (_connectionTimeout) curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, _connectionTimeout);
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
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curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, LOW_SPEED_LIMIT);
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curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, LOW_SPEED_TIME);
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CURLcode res = curl_easy_perform(curl);
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if (res != CURLE_OK)
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{
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_fileUtils->removeFile(data.path + data.name + TEMP_EXT);
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std::string msg = StringUtils::format("Unable to download file: [curl error]%s", curl_easy_strerror(res));
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this->notifyError(msg, customId, res);
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}
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fclose(fDesc.fp);
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curl_easy_cleanup(curl);
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// This can only be done after fclose
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if (res == CURLE_OK)
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{
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_fileUtils->renameFile(data.path, data.name + TEMP_EXT, data.name);
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Director::getInstance()->getScheduler()->performFunctionInCocosThread([=]{
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if (!ptr.expired())
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{
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std::shared_ptr<Downloader> downloader = ptr.lock();
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auto successCB = downloader->getSuccessCallback();
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if (successCB != nullptr)
|
|
{
|
|
successCB(data.url, data.path + data.name, data.customId);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
void Downloader::batchDownloadAsync(const DownloadUnits &units, const std::string &batchId/* = ""*/)
|
|
{
|
|
auto t = std::thread(&Downloader::batchDownloadSync, this, units, batchId);
|
|
t.detach();
|
|
}
|
|
|
|
void Downloader::batchDownloadSync(const DownloadUnits &units, const std::string &batchId/* = ""*/)
|
|
{
|
|
// Make sure downloader won't be released
|
|
std::weak_ptr<Downloader> ptr = shared_from_this();
|
|
|
|
if (units.size() != 0)
|
|
{
|
|
// Test server download resuming support with the first unit
|
|
_supportResuming = false;
|
|
CURL *header = curl_easy_init();
|
|
// Make a resume request
|
|
curl_easy_setopt(header, CURLOPT_RESUME_FROM_LARGE, 0);
|
|
HeaderInfo headerInfo = prepareHeader(units.begin()->second.srcUrl, header);
|
|
if (headerInfo.valid)
|
|
{
|
|
if (headerInfo.responseCode == HTTP_CODE_SUPPORT_RESUME)
|
|
{
|
|
_supportResuming = true;
|
|
}
|
|
}
|
|
curl_easy_cleanup(header);
|
|
|
|
int count = 0;
|
|
DownloadUnits group;
|
|
for (auto it = units.cbegin(); it != units.cend(); ++it, ++count)
|
|
{
|
|
if (count == FOPEN_MAX)
|
|
{
|
|
groupBatchDownload(group);
|
|
group.clear();
|
|
count = 0;
|
|
}
|
|
const std::string &key = it->first;
|
|
const DownloadUnit &unit = it->second;
|
|
group.emplace(key, unit);
|
|
}
|
|
if (group.size() > 0)
|
|
{
|
|
groupBatchDownload(group);
|
|
}
|
|
}
|
|
|
|
Director::getInstance()->getScheduler()->performFunctionInCocosThread([ptr, batchId]{
|
|
if (!ptr.expired()) {
|
|
std::shared_ptr<Downloader> downloader = ptr.lock();
|
|
auto callback = downloader->getSuccessCallback();
|
|
if (callback != nullptr)
|
|
{
|
|
callback("", "", batchId);
|
|
}
|
|
}
|
|
});
|
|
_supportResuming = false;
|
|
}
|
|
|
|
void Downloader::groupBatchDownload(const DownloadUnits &units)
|
|
{
|
|
CURLM* multi_handle = curl_multi_init();
|
|
int still_running = 0;
|
|
|
|
for (auto it = units.cbegin(); it != units.cend(); ++it)
|
|
{
|
|
DownloadUnit unit = it->second;
|
|
std::string srcUrl = unit.srcUrl;
|
|
std::string storagePath = unit.storagePath;
|
|
std::string customId = unit.customId;
|
|
|
|
FileDescriptor *fDesc = new FileDescriptor();
|
|
ProgressData *data = new ProgressData();
|
|
prepareDownload(srcUrl, storagePath, customId, unit.resumeDownload, fDesc, data);
|
|
|
|
if (fDesc->fp != NULL)
|
|
{
|
|
CURL* curl = curl_easy_init();
|
|
curl_easy_setopt(curl, CURLOPT_URL, srcUrl.c_str());
|
|
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fileWriteFunc);
|
|
curl_easy_setopt(curl, CURLOPT_WRITEDATA, fDesc->fp);
|
|
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
|
|
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, batchDownloadProgressFunc);
|
|
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, data);
|
|
curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
|
|
if (_connectionTimeout) curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, _connectionTimeout);
|
|
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
|
|
curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, LOW_SPEED_LIMIT);
|
|
curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, LOW_SPEED_TIME);
|
|
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, true);
|
|
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, MAX_REDIRS);
|
|
|
|
// Resuming download support
|
|
if (_supportResuming && unit.resumeDownload)
|
|
{
|
|
// Check already downloaded size for current download unit
|
|
long size = _fileUtils->getFileSize(storagePath + TEMP_EXT);
|
|
if (size != -1)
|
|
{
|
|
curl_easy_setopt(curl, CURLOPT_RESUME_FROM_LARGE, size);
|
|
}
|
|
}
|
|
fDesc->curl = curl;
|
|
|
|
CURLMcode code = curl_multi_add_handle(multi_handle, curl);
|
|
if (code != CURLM_OK)
|
|
{
|
|
// Avoid memory leak
|
|
fclose(fDesc->fp);
|
|
delete data;
|
|
delete fDesc;
|
|
std::string msg = StringUtils::format("Unable to add curl handler for %s: [curl error]%s", customId.c_str(), curl_multi_strerror(code));
|
|
this->notifyError(msg, code, customId);
|
|
}
|
|
else
|
|
{
|
|
// Add to list for tracking
|
|
_progDatas.push_back(data);
|
|
_files.push_back(fDesc);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Query multi perform
|
|
CURLMcode curlm_code = CURLM_CALL_MULTI_PERFORM;
|
|
while(CURLM_CALL_MULTI_PERFORM == curlm_code) {
|
|
curlm_code = curl_multi_perform(multi_handle, &still_running);
|
|
}
|
|
if (curlm_code != CURLM_OK) {
|
|
std::string msg = StringUtils::format("Unable to continue the download process: [curl error]%s", curl_multi_strerror(curlm_code));
|
|
this->notifyError(msg, curlm_code);
|
|
}
|
|
else
|
|
{
|
|
bool failed = false;
|
|
while (still_running > 0 && !failed)
|
|
{
|
|
// set a suitable timeout to play around with
|
|
struct timeval select_tv;
|
|
long curl_timeo = -1;
|
|
select_tv.tv_sec = 1;
|
|
select_tv.tv_usec = 0;
|
|
|
|
curl_multi_timeout(multi_handle, &curl_timeo);
|
|
if(curl_timeo >= 0) {
|
|
select_tv.tv_sec = curl_timeo / 1000;
|
|
if(select_tv.tv_sec > 1)
|
|
select_tv.tv_sec = 1;
|
|
else
|
|
select_tv.tv_usec = (curl_timeo % 1000) * 1000;
|
|
}
|
|
|
|
int rc;
|
|
fd_set fdread;
|
|
fd_set fdwrite;
|
|
fd_set fdexcep;
|
|
int maxfd = -1;
|
|
FD_ZERO(&fdread);
|
|
FD_ZERO(&fdwrite);
|
|
FD_ZERO(&fdexcep);
|
|
// FIXME: when jenkins migrate to ubuntu, we should remove this hack code
|
|
#if (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX)
|
|
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
|
|
rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &select_tv);
|
|
#else
|
|
rc = curl_multi_wait(multi_handle,nullptr, 0, MAX_WAIT_MSECS, &maxfd);
|
|
#endif
|
|
|
|
switch(rc)
|
|
{
|
|
case -1:
|
|
failed = true;
|
|
break;
|
|
case 0:
|
|
default:
|
|
curlm_code = CURLM_CALL_MULTI_PERFORM;
|
|
while(CURLM_CALL_MULTI_PERFORM == curlm_code) {
|
|
curlm_code = curl_multi_perform(multi_handle, &still_running);
|
|
}
|
|
if (curlm_code != CURLM_OK) {
|
|
std::string msg = StringUtils::format("Unable to continue the download process: [curl error]%s", curl_multi_strerror(curlm_code));
|
|
this->notifyError(msg, curlm_code);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Clean up and close files
|
|
for (auto it = _files.begin(); it != _files.end(); ++it)
|
|
{
|
|
FILE *f = (*it)->fp;
|
|
fclose(f);
|
|
auto single = (*it)->curl;
|
|
curl_multi_remove_handle(multi_handle, single);
|
|
curl_easy_cleanup(single);
|
|
}
|
|
curl_multi_cleanup(multi_handle);
|
|
|
|
// Check unfinished files and notify errors, succeed files will be renamed from temporary file name to real name
|
|
for (auto it = _progDatas.begin(); it != _progDatas.end(); ++it) {
|
|
ProgressData *data = *it;
|
|
if (data->downloaded < data->totalToDownload || data->totalToDownload == 0)
|
|
{
|
|
this->notifyError(ErrorCode::NETWORK, "Unable to download file", data->customId);
|
|
}
|
|
else
|
|
{
|
|
_fileUtils->renameFile(data->path, data->name + TEMP_EXT, data->name);
|
|
}
|
|
}
|
|
|
|
clearBatchDownloadData();
|
|
}
|
|
|
|
NS_CC_EXT_END
|