头文件
/**********************************************************************
* Copyright (C) 2014 - - All Rights Reserved
*
* 文件名称: Uploader_LibCurl.h
* 摘 要: 上传器 - LibCurl实现
*
* 作 者: yanglinbo,
* 修 改: 查看文件最下方.
*
***********************************************************************/
#ifndef __Uploader_LibCurl_H__
#define __Uploader_LibCurl_H__
#include <curl/curl.h>
#include <fstream>
#include <string>
class CUploader
{
public:
CUploader(void);
virtual ~CUploader(void);
/// 线程入口函数
virtual bool run();
/// 启动上传
virtual bool start(const std::string& strUrl, const std::string& strLocalFile);
/// 停止上传
virtual bool stop();
/// 是否运行状态
bool isRunning() const;
protected:
/// 读取回调
static size_t handleRead(void *buffer, size_t size, size_t nmemb, void *userp);
/// 进度回调
static size_t handleProgress(void *buffer, double dltotal, double dlnow, double ultotal, double ulnow);
size_t onUpload(void *buffer, size_t size, size_t nmemb);
size_t onProgress(const double& ultotal, const double& ulnow);
/// 上传回调
void onUpload();
/// 设置libcurl选项
bool setOption();
/// 清除数据
void clear();
CURL* m_pCurl; ///< libcurl句柄
FILE* m_pFile; ///< 文件指针
bool m_bRunning; ///< 运行标志
std::string m_strRemoteUrl; ///< 远程链接
std::string m_strLocalFilePath; ///< 本地文件路径
size_t m_nLocalFileSize; ///< 本地文件大小
};
#endif
实现文件
* 文件名称: Uploader_LibCurl.cpp
#include "StdAfx.h"
#include "Uploader.h"
#include <sys/stat.h>
#include <fcntl.h>
CUploader::CUploader(void)
: m_pCurl(NULL)
, m_pFile(NULL)
, m_bRunning(false)
, m_nLocalFileSize(0)
}
CUploader::~CUploader(void)
stop();
bool CUploader::run()
onUpload();
return true;
bool CUploader::isRunning() const
return m_bRunning;
void CUploader::clear()
if (m_pFile)
{
fclose(m_pFile);
m_pFile = NULL;
}
if (m_pCurl)
curl_easy_cleanup(m_pCurl);
m_pCurl = NULL;
curl_global_cleanup();
m_strRemoteUrl.clear();
m_strLocalFilePath.clear();
m_nLocalFileSize = 0;
bool CUploader::setOption()
// 远程URL,支持 http, https, ftp
curl_easy_setopt(m_pCurl, CURLOPT_URL, m_strRemoteUrl.c_str());
curl_easy_setopt(m_pCurl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)m_nLocalFileSize);
// 设置User-Agent
std::string useragent = _T("Mozilla/5.0 (Windows NT 6.1; WOW64; rv:13.0) Gecko/20100101 Firefox/13.0.1");
curl_easy_setopt(m_pCurl, CURLOPT_USERAGENT, useragent.c_str());
// 设置重定向的最大次数
curl_easy_setopt(m_pCurl, CURLOPT_MAXREDIRS, 5);
// 设置301、302跳转跟随location
curl_easy_setopt(m_pCurl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(m_pCurl, CURLOPT_UPLOAD, TRUE);
curl_easy_setopt(m_pCurl, CURLOPT_NOSIGNAL, 1L);
curl_easy_setopt(m_pCurl, CURLOPT_POST, TRUE);
curl_easy_setopt(m_pCurl, CURLOPT_FORBID_REUSE, TRUE);
// 上传内容回调函数
curl_easy_setopt(m_pCurl, CURLOPT_READFUNCTION, handleRead);
curl_easy_setopt(m_pCurl, CURLOPT_READDATA, this);
// 进度回调函数
curl_easy_setopt(m_pCurl, CURLOPT_NOPROGRESS, 0);
curl_easy_setopt(m_pCurl, CURLOPT_PROGRESSDATA, this);
curl_easy_setopt(m_pCurl, CURLOPT_PROGRESSFUNCTION, handleProgress);
// 跳过服务器SSL验证,不使用CA证书
curl_easy_setopt(m_pCurl, CURLOPT_SSL_VERIFYPEER, 0L);
// 验证服务器端发送的证书,默认是 2(高),1(中),0(禁用)
curl_easy_setopt(m_pCurl, CURLOPT_SSL_VERIFYHOST, 0L);
bool CUploader::start(const std::string& strUrl, const std::string& strLocalFile)
if (strUrl.empty()) return false;
if (m_bRunning == true) return true;
clear();
m_strRemoteUrl = strUrl;
m_strLocalFilePath = strLocalFile;
// 打开文件
m_pFile = fopen(m_strLocalFilePath.c_str(), "rb");
if (m_pFile == NULL)
return false;
// 获取文件大小
struct stat file_info;
if (fstat(fileno(m_pFile), &file_info) != 0)
m_nLocalFileSize = file_info.st_size;
// 初始化libcurl
m_pCurl = curl_easy_init();
if (m_pCurl == NULL)
// 设置libcurl的选项
setOption();
m_bRunning = true;
bool CUploader::stop()
m_bRunning = false;
size_t CUploader::handleRead( void *buffer, size_t size, size_t nmemb, void *userp )
CUploader* pDownloader = (CUploader*) userp;
if (pDownloader)
return pDownloader->onUpload(buffer, size, nmemb);
return 0;
size_t CUploader::handleProgress( void *buffer, double dltotal, double dlnow, double ultotal, double ulnow )
CUploader* pDownloader = (CUploader*) buffer;
pDownloader->onProgress(ultotal, ulnow);
size_t CUploader::onProgress( const double& ultotal, const double& ulnow )
TRACE("%.2f / %.2f (%.2g %%)\n", ulnow, ultotal, ulnow*100.0/ultotal);
size_t CUploader::onUpload( void *buffer, size_t size, size_t nmemb )
size_t return_size = fread(buffer, size, nmemb, m_pFile);
return return_size;
void CUploader::onUpload()
// 执行上传
CURLcode return_code = CURLE_OK;
return_code = curl_easy_perform(m_pCurl);
// 关闭文件
// 上传失败
if (return_code != CURLE_OK)
return;
// 获取状态码
int response_code = 0;
curl_easy_getinfo(m_pCurl, CURLINFO_RESPONSE_CODE, &response_code);
示例代码:
CUploader uploader
uploader.start("ftp://upload:[email protected]/hello.exe", "C:\\fly.exe");
uploader.run();