頭檔案
/**********************************************************************
* Copyright (C) 2014 - - All Rights Reserved
*
* 檔案名稱: Uploader_LibCurl.h
* 摘 要: 上傳器 - LibCurl實作
*
* 作 者: yanglinbo,
* 修 改: 檢視檔案最下方.
*
***********************************************************************/
#ifndef __Uploader_LibCurl_H__
#define __Uploader_LibCurl_H__
#include <curl/curl.h>
#include <fstream>
#include <string>
class CUploader
{
public:
CUploader(void);
virtual ~CUploader(void);
/// 線程入口函數
virtual bool run();
/// 啟動上傳
virtual bool start(const std::string& strUrl, const std::string& strLocalFile);
/// 停止上傳
virtual bool stop();
/// 是否運作狀态
bool isRunning() const;
protected:
/// 讀取回調
static size_t handleRead(void *buffer, size_t size, size_t nmemb, void *userp);
/// 進度回調
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);
/// 上傳回調
void onUpload();
/// 設定libcurl選項
bool setOption();
/// 清除資料
void clear();
CURL* m_pCurl; ///< libcurl句柄
FILE* m_pFile; ///< 檔案指針
bool m_bRunning; ///< 運作标志
std::string m_strRemoteUrl; ///< 遠端連結
std::string m_strLocalFilePath; ///< 本地檔案路徑
size_t m_nLocalFileSize; ///< 本地檔案大小
};
#endif
實作檔案
* 檔案名稱: 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()
// 遠端URL,支援 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);
// 設定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());
// 設定重定向的最大次數
curl_easy_setopt(m_pCurl, CURLOPT_MAXREDIRS, 5);
// 設定301、302跳轉跟随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);
// 上傳内容回調函數
curl_easy_setopt(m_pCurl, CURLOPT_READFUNCTION, handleRead);
curl_easy_setopt(m_pCurl, CURLOPT_READDATA, this);
// 進度回調函數
curl_easy_setopt(m_pCurl, CURLOPT_NOPROGRESS, 0);
curl_easy_setopt(m_pCurl, CURLOPT_PROGRESSDATA, this);
curl_easy_setopt(m_pCurl, CURLOPT_PROGRESSFUNCTION, handleProgress);
// 跳過伺服器SSL驗證,不使用CA憑證
curl_easy_setopt(m_pCurl, CURLOPT_SSL_VERIFYPEER, 0L);
// 驗證伺服器端發送的證書,預設是 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;
// 打開檔案
m_pFile = fopen(m_strLocalFilePath.c_str(), "rb");
if (m_pFile == NULL)
return false;
// 擷取檔案大小
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)
// 設定libcurl的選項
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()
// 執行上傳
CURLcode return_code = CURLE_OK;
return_code = curl_easy_perform(m_pCurl);
// 關閉檔案
// 上傳失敗
if (return_code != CURLE_OK)
return;
// 擷取狀态碼
int response_code = 0;
curl_easy_getinfo(m_pCurl, CURLINFO_RESPONSE_CODE, &response_code);
示例代碼:
CUploader uploader
uploader.start("ftp://upload:[email protected]/hello.exe", "C:\\fly.exe");
uploader.run();