58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef SRC_HTTP_HTTPDOWNLOADER_H_
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#define SRC_HTTP_HTTPDOWNLOADER_H_
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#include "HttpClientImp.h"
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namespace mediakit {
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class HttpDownloader : public HttpClientImp {
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public:
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using Ptr = std::shared_ptr<HttpDownloader>;
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using onDownloadResult = std::function<void(const toolkit::SockException &ex, const std::string &filePath)>;
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HttpDownloader() = default;
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~HttpDownloader() override;
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/**
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* 开始下载文件,默认断点续传方式下载
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* @param url 下载http url
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* @param file_path 文件保存地址，置空则选择默认文件路径
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* @param append 如果文件已经存在，是否断点续传方式下载
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*/
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void startDownload(const std::string &url, const std::string &file_path = "", bool append = false);
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void startDownload(const std::string &url, const onDownloadResult &cb) {
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setOnResult(cb);
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startDownload(url, "", false);
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}
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void setOnResult(const onDownloadResult &cb) { _on_result = cb; }
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protected:
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void onResponseBody(const char *buf, size_t size) override;
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void onResponseHeader(const std::string &status, const HttpHeader &headers) override;
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void onResponseCompleted(const toolkit::SockException &ex) override;
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private:
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void closeFile();
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private:
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FILE *_save_file = nullptr;
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std::string _file_path;
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onDownloadResult _on_result;
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};
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} /* namespace mediakit */
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#endif /* SRC_HTTP_HTTPDOWNLOADER_H_ */
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