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- #include "CurlFtp.h"
- #include <regex>
- #include <iosfwd>
- #include <filesystem>
- #include <fstream>
- #include "fmtlog.h"
- #if defined(_WIN32)
- #endif /* _WIN32 */
- /* ==================================================================================
- * *********************************** 全局变量 *************************************
- * ==================================================================================
- */
- /* 是否有初始化实例,主要用于静态函数调用curl_global_cleanup()函数前判断,有实例就不调用 */
- static bool hasInstace = false;
- /* ==================================================================================
- * *********************************** 全局函数 *************************************
- * ==================================================================================
- */
- /**
- * @brief 写入回调函数
- *
- * @param contents curl的数据缓冲区
- * @param size 数据大小,单位是size_t
- * @param nmemb size_t的单位字节数
- * @param userStr 用户提供的字符串,格式可以是任意的
- * @return size_t 总共获取到的数据大小,单位是字节
- */
- static size_t writeStringCallback(void *contents, size_t size, size_t nmemb, std::string *userStr)
- {
- size_t newLength = size * nmemb;
- size_t oldLength = userStr->size();
- try
- {
- userStr->resize(oldLength + newLength);
- }
- catch(std::bad_alloc &e)
- {
- //handle memory problem
- return 0;
- }
- std::copy_n((char*)contents, newLength, userStr->begin() + oldLength);
- return size * nmemb;
- }
- /**
- * @brief 写入回调函数,listFiles需要调用
- *
- * @param buffer curl下载回来的数据
- * @param size 数据大小
- * @param nmemb 数据单位字节数
- * @param userp 用户传进来的容器
- * @return int 返回拷贝的字节数
- */
- static int writeStringListCallback(void* buffer, size_t size, size_t nmemb, void* userp)
- {
- std::vector<std::string>* fileList = static_cast<std::vector<std::string>*>(userp);
- std::string line(static_cast<char*>(buffer), size * nmemb);
- // printf("line = %s\n", line.c_str());
- fileList->push_back(line);
- return size * nmemb;
- }
- /**
- * @brief 写入文件回调函数
- *
- * @param contents 下载到的数据内容
- * @param size 数据大小
- * @param nmemb 数据单位
- * @param pFile 文件指针
- * @return size_t 写入的大小
- */
- static size_t writeDataCallBack(void* contents, size_t size, size_t nmemb, std::ostream* pFile)
- {
- pFile->write(reinterpret_cast<char*>(contents), size * nmemb);
- // if(pFile->fail())
- // {
- // FMTLOG_ERROR("Failed to write data to file");
- // return 0;
- // }
- return size * nmemb;
- }
- /**
- * @brief 上传和下载进度回调函数,这个函数kennel会被多次调用,即使是没有在下载的时候,因此需要判断传入的数据是否是0
- * 必须将 CURLOPT_NOPROGRESS 设为 0 才能真正调用该函数。
- *
- * @param clientp 通过CURLOPT_XFERINFODATA 设置的指针,libcurl 不会使用它,只会将其从应用程序传递给回调函数。
- * 可以通过这个指针将下载的进度传递给应用程序
- * @param dltotal 下载的总字节数,上传的时候这个为0
- * @param dlnow 已经下载的总字节数
- * @param ultotal 需要上传的总字节数,下载的时候这个为0
- * @param ulnow 已经上传的总字节数
- * @return int
- */
- static int progress_callback(void *clientp,
- curl_off_t dltotal,
- curl_off_t dlnow,
- curl_off_t ultotal,
- curl_off_t ulnow)
- {
- // FMTLOG_DEBUG("dTotal: {}, dNow: {}, uTotal: {}, uNow: {}", dltotal, dlnow, ultotal, ulnow);
- if(dltotal == 0 && ultotal == 0)
- {
- return 0;
- }
- /* 正在下载 */
- if(dltotal > 0)
- {
- /* 计算进度,百分比 */
- double downloadPercent = (double)dlnow / (double)dltotal * 100;
- /* 使用回车刷新这一行 */
- FMTLOG_DEBUG_NON("Download Total / now : {} / {}, {:.1f}%\r", dltotal, dlnow, downloadPercent);
- }
- /* 正在上传 */
- else if(ultotal > 0)
- {
- double uploadPercent = (double)ulnow / (double)ultotal * 100;
- FMTLOG_DEBUG_NON("Upload Total / now : {} / {}, {:.1f}%\r", ultotal, ulnow, uploadPercent);
- }
- return 0;
- }
- /* 使用Windows API进行编码转换 */
- #if defined(_WIN32)
- static char* GBToUTF8(const char* gb2312)
- {
- int len = MultiByteToWideChar(CP_ACP, 0, gb2312, -1, NULL, 0);
- wchar_t* wstr = new wchar_t[len+1];
- memset(wstr, 0, len+1);
- MultiByteToWideChar(CP_ACP, 0, gb2312, -1, wstr, len);
- len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
- char* str = new char[len+1];
- memset(str, 0, len+1);
- WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, len, NULL, NULL);
- if(wstr) delete[] wstr;
- return str;
- }
- #endif /* _WIN32 */
- /**
- * @brief 解析字符串文件信息,如果FTP服务器规定好个编码,不需要进行转换
- *
- * @param strSrc 读取到的字符串
- * @param fileList 文件信息列表
- * @return true
- * @return false
- */
- static bool parseFileInfo(const std::string& strSrc, std::vector<CF_FileInfo>& fileInfo)
- {
- #if defined(_WIN32)
- // auto str1 = GBToUTF8(strSrc.c_str());
- std::string str2 = strSrc;
- #else
- std::string str2 = strSrc;
- #endif /* _WIN32 */
-
- // FMTLOG_DEBUG("\n{}", str2);
- /* 正则表达式,匹配多个空格 */
- std::regex reg(R"(( )+)");
- /* 匹配以非空格开头的字符,空格隔开,中间任意字符,空格隔开,非空格组成的结尾
- * (文件类型) ... (文件大小,$5) ... (文件名)
- */
- std::regex reg1(R"(^([^ ]+) (\d*) (\w*) (\w*) (\d*) (.*) ([^ ]+)$)");
- // FMTLOG_INFO("\n-------------------\n");
- /* 匹配换行符,分割每一行 */
- std::regex reg2(R"(\n)");
- /* 匹配文件夹 */
- std::regex reg3(R"(^d.*)");
- /* 匹配文件 */
- std::regex reg4(R"(^-.*$)");
- /* -1 表示对正则表达式之前的子序列感兴趣
- * 0 表示对正则表达式本身感兴趣,输出的就是换行符 */
- std::sregex_token_iterator it2(str2.begin(), str2.end(), reg2, -1);
- /* 这里取出每一行 */
- for(; it2 != std::sregex_token_iterator(); ++it2)
- {
- /* 去掉多余的空格 */
- auto line = std::regex_replace(it2->str(), reg, " ");
- // FMTLOG_INFO("{}", line);
- CF_FileInfo fi;
- /* 取出文件类型 */
- std::string strFileType = std::regex_replace(line, reg1, "$1");
- if(std::regex_match(strFileType, reg3))
- {
- fi.type = CF_FileType::DIR;
- }else if (std::regex_match(strFileType, reg4))
- {
- fi.type = CF_FileType::FILE;
- }
- /* 取出文件大小 */
- std::string strFileSize = std::regex_replace(line, reg1, "$5");
- fi.size = std::stoull(strFileSize);
- /* 取出文件名 */
- std::string strFileName = std::regex_replace(line, reg1, "$7");
- fi.name = strFileName;
- /* 加入队列 */
- fileInfo.push_back(fi);
- }
- return true;
- }
- /* ==================================================================================
- * *********************************** 成员函数 *************************************
- * ================================================================================== */
- CurlFtp::CurlFtp()
- {
- /* 调用初始化函数,这个函数可以重复调用 */
- curl_global_init(CURL_GLOBAL_DEFAULT);
- /* 初始化curl */
- hasInstace = true;
- }
- CurlFtp::~CurlFtp()
- {
- /* 清理curl */
- curl_global_cleanup();
- hasInstace = false;
- }
- /**
- * @brief 列出FTP文件夹
- *
- * @param ftpUrl 需要列出文件夹的FTP地址
- * @param username
- * @param password
- * @return std::string
- */
- std::string CurlFtp::listDir(const std::string &ftpUrl, const std::string &username, const std::string &password)
- {
- CURL *curl;
- CURLcode res;
- bool result = false;
- std::string retList;
- /* 1. 初始化curl,这个函数需要在调用任何curl函数之前 */
- curl_global_init(CURL_GLOBAL_DEFAULT);
- /* 2. 获取一个curl句柄 */
- curl = curl_easy_init();
- if(curl)
- {
- /* 3. 设置curl选项 */
- curl_easy_setopt(curl, CURLOPT_URL, ftpUrl.c_str());
- curl_easy_setopt(curl, CURLOPT_USERNAME, username.c_str());
- curl_easy_setopt(curl, CURLOPT_PASSWORD, password.c_str());
- // curl_easy_setopt(curl, CURLOPT_DIRLISTONLY, 1L); // We only want the directory listing
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeStringCallback);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, &retList);
- /* 4. 发送信息,一直等待知道返回 */
- res = curl_easy_perform(curl);
- // printf("res = %d\n", res);
- if(res != CURLE_OK)
- {
- fprintf(stderr, "getDirList() failed, error code %d, :%s\n",res, curl_easy_strerror(res));
- } else
- {
- // std::cout << "Directory list: \n" << retList << std::endl;
- }
- /* 5. 清理curl */
- curl_easy_cleanup(curl);
- }
- if(hasInstace == false)
- {
- curl_global_cleanup();
- }
- return retList;
- }
- /* 列出文件夹中的所有文件 */
- bool CurlFtp::listFiles(const std::string &ftpUrl, const std::string &username, const std::string &password, std::vector<std::string>& fileList)
- {
- CURL *curl;
- CURLcode res;
- bool result = false;
- curl_global_init(CURL_GLOBAL_DEFAULT);
- curl = curl_easy_init();
- if(curl)
- {
- curl_easy_setopt(curl, CURLOPT_URL, (ftpUrl).c_str());
- curl_easy_setopt(curl, CURLOPT_USERNAME, username.c_str());
- curl_easy_setopt(curl, CURLOPT_PASSWORD, password.c_str());
- curl_easy_setopt(curl, CURLOPT_DIRLISTONLY, 1L);
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeStringListCallback);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, &fileList);
- res = curl_easy_perform(curl);
- if(res != CURLE_OK)
- {
- fprintf(stderr, "Failed to get file list, error code :%d ,%s\n", res, curl_easy_strerror(res));
- }
- else
- {
- // for(const std::string& filename : fileList)
- // {
- // printf("%s\n", filename.c_str());
- // }
- result = true;
- }
- curl_easy_cleanup(curl);
- }
- if(hasInstace == false)
- {
- curl_global_cleanup();
- }
- return result;
- }
- /* 创建文件夹 */
- bool CurlFtp::createDir(const std::string &ftpUrl, const std::string &username, const std::string &password, const std::string &dirName)
- {
- CURL *curl;
- CURLcode res;
- bool result = false;
- curl_global_init(CURL_GLOBAL_DEFAULT);
- curl = curl_easy_init();
- if(curl)
- {
- curl_easy_setopt(curl, CURLOPT_URL, ftpUrl.c_str());
- curl_easy_setopt(curl, CURLOPT_USERNAME, username.c_str());
- curl_easy_setopt(curl, CURLOPT_PASSWORD, password.c_str());
- // Create a list of FTP commands to be executed on the server
- struct curl_slist *headerlist = NULL;
- std::string mkdir = "MKD " + dirName;
- headerlist = curl_slist_append(headerlist, mkdir.c_str());
- // Set the list of FTP commands to be executed on the server before the transfer
- curl_easy_setopt(curl, CURLOPT_QUOTE, headerlist);
- // Tell libcurl to not include the body in the output
- curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
- res = curl_easy_perform(curl);
- if(res != CURLE_OK)
- {
- fprintf(stderr, "createDir() failed, error code :%d ,%s\n", res, curl_easy_strerror(res));
- result = false;
- }else
- {
- result = true;
- }
- curl_easy_cleanup(curl);
- curl_slist_free_all(headerlist);
- }
- if(hasInstace == false)
- {
- curl_global_cleanup();
- }
- return result;
- }
- /* 设置IP和端口 */
- bool CurlFtp::setFtpIPAndPort(const std::string& IP, const int port)
- {
- /*先判断是否有ftp器前缀,通过正则表达式,取出IP地址和端口号,去掉前缀和后面的'/ */
- m_IP = IP;
- m_port = port;
- m_ftpUrl = "ftp://" + m_IP + ":" + std::to_string(m_port);
- FMTLOG_INFO("Set ftpUrl = {}", m_ftpUrl);
- return true;
- }
- /* 设置用户名和密码 */
- bool CurlFtp::setFtpUsernameAndPassword(const std::string& username, const std::string& password)
- {
- m_username = username;
- m_password = password;
- return true;
- }
- /* 列出文件列表 */
- bool CurlFtp::getFileList(std::string dir, std::vector<std::string>& fileList)
- {
- if(m_IP.empty())
- {
- FMTLOG_WARN("IP or port is empty");
- return false;
- }
- /* 检查dir,添加前缀“/” */
- auto dirTmp = checkDirPath(dir);
- CURL *curl = nullptr;
- curl = curl_easy_init();
- if(curl == nullptr)
- {
- FMTLOG_ERROR("curl init failed !");
- return false;
- }
- std::vector<CF_FileInfo> listInfo;
- /* 获取文件信息 */
- listAll(curl, dirTmp, listInfo);
- for(const CF_FileInfo& fi : listInfo)
- {
- // FMTLOG_INFO("type = {}, size = {}, name = {}", (int)fi.type, fi.size, fi.name);
- if(fi.type == CF_FileType::FILE)
- {
- fileList.push_back(fi.name);
- }
- }
- curl_easy_cleanup(curl);
-
- return true;
- }
- /* 获取文件夹列表 */
- bool CurlFtp::getDirList(std::string dir, std::vector<std::string>& dirList)
- {
- if(m_IP.empty())
- {
- FMTLOG_WARN("IP or port is empty");
- return false;
- }
- /* 检查dir,添加前缀“/” */
- auto dirTmp = checkDirPath(dir);
- CURL *curl = nullptr;
- curl = curl_easy_init();
- if(curl == nullptr)
- {
- FMTLOG_ERROR("curl init failed !");
- return false;
- }
- std::vector<CF_FileInfo> listInfo;
- /* 获取文件信息 */
- listAll(curl, dirTmp, listInfo);
- for(const CF_FileInfo& fi : listInfo)
- {
- // FMTLOG_INFO("type = {}, size = {}, name = {}", (int)fi.type, fi.size, fi.name);
- if(fi.type == CF_FileType::DIR)
- {
- dirList.push_back(fi.name);
- }
- }
- curl_easy_cleanup(curl);
- return true;
- }
- /* 判断文件夹是否存在 */
- bool CurlFtp::isDirExist(const std::string& dir)
- {
- if(m_ftpUrl.empty())
- {
- FMTLOG_ERROR("ftpUrl is empty");
- return false;
- }
- /* 检查传入的文件夹 */
- auto dirTmp = checkDirPath(dir);
- CURL* curl = nullptr;
- curl = curl_easy_init();
- if(curl == nullptr)
- {
- FMTLOG_ERROR("curl init failed !");
- return false;
- }
- std::string ftpUrl = m_ftpUrl + dirTmp;
- curl_easy_setopt(curl, CURLOPT_URL, ftpUrl.c_str());
- curl_easy_setopt(curl, CURLOPT_USERNAME, m_username.c_str());
- curl_easy_setopt(curl, CURLOPT_PASSWORD, m_password.c_str());
- /* 获取文件夹是否存在,不需要接收文件 */
- curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
- CURLcode res = curl_easy_perform(curl);
- bool result = true;
- if(res != CURLE_OK)
- {
- // FMTLOG_ERROR("Failed to get file list, error code: {} ,{}", (int)res, curl_easy_strerror(res));
- result = false;
- }
- return result;
- }
- /**
- * @brief 创建FTP文件夹,只能创建一层文件夹
- *
- * @param ftpDir 文件夹路径
- * @return true 文件夹创建成功或者文件夹存在
- * @return false
- */
- bool CurlFtp::createDirectory(const std::string& ftpDir)
- {
- if(m_ftpUrl.empty())
- {
- FMTLOG_ERROR("ftpUrl is empty");
- return false;
- }
- /* 先检查FTP文件夹是否存在,如果存在直接返回true */
- if(isDirExist(ftpDir))
- {
- return true;
- }
- /* 检查传入的文件夹格式 */
- auto dirTmp = checkDirPath(ftpDir);
- CURL *curl = curl_easy_init();
- if(curl == nullptr)
- {
- FMTLOG_ERROR("Create FTP DIR, curl init failed !");
- return false;
- }
- curl_easy_setopt(curl, CURLOPT_URL, m_ftpUrl.c_str());
- curl_easy_setopt(curl, CURLOPT_USERNAME, m_username.c_str());
- curl_easy_setopt(curl, CURLOPT_PASSWORD, m_password.c_str());
- /* 创建FTP头信息 */
- struct curl_slist *headerlist = NULL;
- std::string mkdir = "MKD " + dirTmp;
- headerlist = curl_slist_append(headerlist, mkdir.c_str());
- /* 设置FTP命令行选项 */
- curl_easy_setopt(curl, CURLOPT_QUOTE, headerlist);
- /* 不包含实体 */
- curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
- /* 启用跟随重定向 */
- curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
- /* 设置超时时间 */
- curl_easy_setopt(curl, CURLOPT_TIMEOUT, 30L);
- curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 30L);
- CURLcode res = curl_easy_perform(curl);
- bool result = true;
- if(res != CURLE_OK)
- {
- FMTLOG_ERROR("Failed to create FTP Dir, error code: {} ,{}", (int)res, curl_easy_strerror(res));
- result = false;
- }else
- {
- result = true;
- }
- curl_easy_cleanup(curl);
- curl_slist_free_all(headerlist);
- return result;
- }
- /* 创建FTP文件夹,递归创建 */
- bool CurlFtp::createDirectories(const std::string& ftpDir)
- {
- /* 检查路径格式,并去掉第一个 / */
- std::string ftpDirTmp = checkDirPath(ftpDir);
- std::string ftpDir2 = ftpDirTmp.substr(1, ftpDirTmp.size() -1);
- /* 将文件夹分开,取出每一个文件夹名称 */
- std::vector<std::string> strList;
- std::regex reg(R"(/)");
- std::sregex_token_iterator it(ftpDir2.begin(), ftpDir2.end(), reg, -1);
- for( ; it != std::sregex_token_iterator(); ++it)
- {
- strList.push_back(it->str());
- }
- /* 将每一层拼接起来,逐层递归 */
- std::vector<std::string> dirList;
- for(const std::string& dir : strList)
- {
- std::string dirTmp = "/";
- if(!dirList.empty())
- {
- dirTmp = dirList.back();
- dirTmp += "/";
- }
- dirTmp += dir;
- dirList.push_back(dirTmp);
- }
- /* 逐层创建 */
- for(const std::string& dir : dirList)
- {
- // FMTLOG_DEBUG("Create dir: {}", dir);
- if(!createDirectory(dir))
- {
- FMTLOG_ERROR("Failed to create dir: {}", dir);
- return false;
- }
- }
-
- return true;
- }
- /* 下载文件 */
- bool CurlFtp::downloadFile(const std::string& remoteFile, const std::string& localFile)
- {
- if(m_ftpUrl.empty())
- {
- FMTLOG_ERROR("ftpUrl is empty");
- return false;
- }
-
- /* 检查传入的文件是否符合规范 */
- std::string remoteFileTmp = checkFilePath(remoteFile);
- std::string ftpUrl = m_ftpUrl + remoteFileTmp;
- /* 检查本地文件夹是否存在,不存在则创建 */
- // std::string localDir = localFile.substr(0, localFile.find_last_of("/")); /* 去掉最后的 / */
- std::string localDirTmp = localFile.substr(0, localFile.find_last_of("/"));
- if(!checkLocalDir(localDirTmp))
- {
- FMTLOG_ERROR("Failed to create local dir: {}", localDirTmp);
- return false;
- }
- CURL* curl = nullptr;
- curl = curl_easy_init();
- if(curl == nullptr)
- {
- FMTLOG_ERROR("curl init failed !");
- return false;
- }
- /* 打开文件 */
- std::ofstream ofs;
- ofs.open(localFile, std::ios::out | std::ios::binary | std::ios::trunc);
- /* 设置FTP地址 */
- curl_easy_setopt(curl, CURLOPT_URL, ftpUrl.c_str());
- curl_easy_setopt(curl, CURLOPT_PORT, m_port);
- /* 设置用户名和密码 */
- curl_easy_setopt(curl, CURLOPT_USERNAME, m_username.c_str());
- curl_easy_setopt(curl, CURLOPT_PASSWORD, m_password.c_str());
- /* 启用跟随重定向 */
- curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
- /* 设置回调函数 */
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeDataCallBack);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, &ofs);
- /* 设置超时时间 */
- // curl_easy_setopt(curl, CURLOPT_TIMEOUT, 30L);
- curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 30L);
- /* 设置进度回调函数 */
- curl_easy_setopt(curl, CURLOPT_XFERINFOFUNCTION, progress_callback);
- curl_easy_setopt(curl, CURLOPT_XFERINFODATA, nullptr);
- /* 启用下载进度回调函数 */
- curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
- /* 发送请求 */
- CURLcode res = curl_easy_perform(curl);
- if(res != CURLE_OK)
- {
- FMTLOG_ERROR("Failed to get file list, error code: {} ,{}", (int)res, curl_easy_strerror(res));
- FMTLOG_ERROR("ftpUrl = {}", ftpUrl);
- /* 清理下载失败的文件 */
- ofs.close();
- std::remove(localFile.c_str());
- return false;
- }
- /* 关闭文件,清理curl */
- ofs.close();
- curl_easy_cleanup(curl);
- /* 打印一个换行符 */
- FMTLOG_DEBUG_NON("\n");
- return true;
- }
- /**
- * @brief 上传文件
- *
- * @param localFile 本地文件
- * @param remoteFile 远程文件
- * @return true
- * @return false
- */
- bool CurlFtp::uploadFile(const std::string& localFile, const std::string& remoteFile)
- {
- return true;
- }
- /**
- * @brief 列出文件列表,这个需要的参数很多,无法设置成静态函数
- *
- * @param curl CURL句柄
- * @param dir 文件夹,相对路径,不带有IP和端口号
- * @param fileList 返回值,文件列表
- * @return true
- * @return false
- */
- bool CurlFtp::listAll(CURL* curl, std::string dir, std::vector<CF_FileInfo>& fileInfoList)
- {
- if(m_IP.empty())
- {
- FMTLOG_ERROR("IP is empty");
- return false;
- }
- if(curl == nullptr)
- {
- FMTLOG_ERROR("curl is nullptr");
- return false;
- }
- bool result = false;
- std::string strSrc;
- /* 先设置FTP地址 */
- std::string ftpUrl = m_ftpUrl + dir;
- curl_easy_setopt(curl, CURLOPT_URL, ftpUrl.c_str());
- curl_easy_setopt(curl, CURLOPT_PORT, m_port);
- /* 设置用户名和密码 */
- curl_easy_setopt(curl, CURLOPT_USERNAME, m_username.c_str());
- curl_easy_setopt(curl, CURLOPT_PASSWORD, m_password.c_str());
- /* 设置列出文件命令,只列出文件名称,不携带信息 */
- // curl_easy_setopt(m_curl, CURLOPT_DIRLISTONLY, 1L);
- /* 设置回调函数 */
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeStringCallback);
- /* 设置需要写入的容器,回调函数的第四个参数 */
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, &strSrc);
- /* 设置超时时间 */
- curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10L);
- curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 10L);
- /* 发送请求 */
- CURLcode res = curl_easy_perform(curl);
- if(res != CURLE_OK)
- {
- FMTLOG_ERROR("Failed to get file list, error code: {} ,{}", (int)res, curl_easy_strerror(res));
- FMTLOG_ERROR("ftpUrl = {}", ftpUrl);
- return false;
- }
- /* 解析字符串 */
- parseFileInfo(strSrc, fileInfoList);
- return true;
- }
- /* 检查文件夹路径是否合规,不合规就修改 */
- std::string CurlFtp::checkDirPath(const std::string& dir)
- {
- std::string dirTmp = dir;
- /* 检查是否以“/”开头 */
- std::regex reg(R"(^/[.]*)");
- if(!std::regex_match(dirTmp, reg))
- {
- dirTmp = "/" + dirTmp;
- }
- /* 如果有重复的“/”,替换成一个 “/” */
- std::regex reg1(R"(//)");
- dirTmp = std::regex_replace(dirTmp, reg1, "/");
- /* 检查是否以“/”结束 */
- std::regex reg2(R"([.]*/$)");
- if(!std::regex_match(dirTmp, reg2))
- {
- dirTmp = dirTmp + "/";
- }
- return dirTmp;
- }
- /* 检查文件路径是否合规 */
- std::string CurlFtp::checkFilePath(const std::string& file)
- {
- std::string dirTmp = file;
- /* 检查是否以“/”结束,如果是以“/”结尾,返回空字符串,并报错 */
- std::regex reg2(R"([.]*/$)");
- if(std::regex_match(dirTmp, reg2))
- {
- FMTLOG_ERROR("File path is not correct, end with '/'");
- return std::string();
- }
-
- /* 检查是否以“/”开头 */
- std::regex reg(R"(^/[.]*)");
- if(!std::regex_match(dirTmp, reg))
- {
- dirTmp = "/" + dirTmp;
- }
- /* 如果有重复的“/”,替换成一个 “/” */
- std::regex reg1(R"(//)");
- dirTmp = std::regex_replace(dirTmp, reg1, "/");
-
- return dirTmp;
- }
- /**
- * @brief 检查本地文件夹是否存在,不存在则创建
- * 这里默认传入的是文件夹路径,不是文件路径,如果最后有‘/’,会自动去掉
- *
- * @param localDir 文件夹路径
- * @return true
- * @return false
- */
- bool CurlFtp::checkLocalDir(const std::string& localDir)
- {
- /* 去掉最后的‘/’ */
- std::regex reg(R"([.]*/$)");
- std::string localDirTmp = std::regex_replace(localDir, reg, "");
- /* 检查文件夹是否存在 */
- if(std::filesystem::exists(localDirTmp))
- {
- return true;
- }
- /* 创建文件夹 */
- if(!std::filesystem::create_directories(localDirTmp))
- {
- FMTLOG_ERROR("Failed to create local dir: {}", localDirTmp);
- return false;
- }
- return true;
- }
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