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@@ -4,16 +4,83 @@
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#include <regex>
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#include <iosfwd>
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-CurlFtp::CurlFtp()
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+
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+
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+static bool hasInstace = false;
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+
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+
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+ * *********************************** 全局函数 *************************************
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+ * ================================================================================== */
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+
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+
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+ * @brief 写入回调函数
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+ *
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+ * @param contents curl的数据缓冲区
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+ * @param size 数据大小,单位是size_t
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+ * @param nmemb size_t的单位字节数
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+ * @param s 用户提供的字符串
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+ * @return size_t 总共获取到的数据大小,单位是字节
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+ */
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+static size_t writeStringCallback(void *contents, size_t size, size_t nmemb, std::string *s)
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{
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+ size_t newLength = size*nmemb;
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+ size_t oldLength = s->size();
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+ try
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+ {
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+ s->resize(oldLength + newLength);
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+ }
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+ catch(std::bad_alloc &e)
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+ {
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+
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+ return 0;
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+ }
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+ std::copy((char*)contents,(char*)contents+newLength,s->begin()+oldLength);
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+ return size*nmemb;
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}
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-CurlFtp::~CurlFtp()
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+
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+ * @brief 写入回调函数,listFiles需要调用
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+ *
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+ * @param buffer curl下载回来的数据
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+ * @param size 数据大小
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+ * @param nmemb 数据单位字节数
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+ * @param userp 用户传进来的容器
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+ * @return int 返回拷贝的字节数
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+ */
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+static int writeStringListCallback(void* buffer, size_t size, size_t nmemb, void* userp)
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+{
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+ std::vector<std::string>* fileList = static_cast<std::vector<std::string>*>(userp);
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+ std::string line(static_cast<char*>(buffer), size * nmemb);
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+
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+ fileList->push_back(line);
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+ return size * nmemb;
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+}
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+
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+
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+
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+
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+ * *********************************** 成员函数 *************************************
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+ * ================================================================================== */
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+
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+
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+CurlFtp::CurlFtp()
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{
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+
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+ curl_global_init(CURL_GLOBAL_DEFAULT);
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+
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+ m_curl = curl_easy_init();
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+ hasInstace = true;
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+}
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+CurlFtp::~CurlFtp()
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+{
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+
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+ curl_easy_cleanup(m_curl);
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+ curl_global_cleanup();
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+ hasInstace = false;
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}
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@@ -88,64 +155,44 @@ std::string CurlFtp::listDir(const std::string &ftpUrl, const std::string &usern
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CURLcode res;
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bool result = false;
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std::string retList;
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-
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+
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curl_global_init(CURL_GLOBAL_DEFAULT);
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+
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curl = curl_easy_init();
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if(curl)
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{
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+
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curl_easy_setopt(curl, CURLOPT_URL, ftpUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_USERNAME, username.c_str());
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curl_easy_setopt(curl, CURLOPT_PASSWORD, password.c_str());
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-
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- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeCallback);
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+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeStringCallback);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &retList);
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+
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res = curl_easy_perform(curl);
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if(res != CURLE_OK)
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{
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fprintf(stderr, "getDirList() failed, error code %d, :%s\n",res, curl_easy_strerror(res));
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- }
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- else
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+ } else
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{
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}
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+
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curl_easy_cleanup(curl);
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}
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-
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- curl_global_cleanup();
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+ if(hasInstace == false)
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+ {
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+ curl_global_cleanup();
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+ }
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return retList;
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}
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-
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-size_t CurlFtp::writeCallback(void *contents, size_t size, size_t nmemb, std::string *s)
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-{
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- size_t newLength = size*nmemb;
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- size_t oldLength = s->size();
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- try
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- {
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- s->resize(oldLength + newLength);
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- }
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- catch(std::bad_alloc &e)
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- {
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-
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- return 0;
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- }
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- std::copy((char*)contents,(char*)contents+newLength,s->begin()+oldLength);
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- return size*nmemb;
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-}
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-
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-static int filelistCallback(void* buffer, size_t size, size_t nmemb, void* userp)
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-{
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- std::vector<std::string>* fileList = static_cast<std::vector<std::string>*>(userp);
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- std::string line(static_cast<char*>(buffer), size * nmemb);
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- fileList->push_back(line);
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- return size * nmemb;
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-}
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+
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bool CurlFtp::listFiles(const std::string &ftpUrl, const std::string &username, const std::string &password, std::vector<std::string>& fileList)
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@@ -162,7 +209,7 @@ bool CurlFtp::listFiles(const std::string &ftpUrl, const std::string &username,
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curl_easy_setopt(curl, CURLOPT_USERNAME, username.c_str());
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curl_easy_setopt(curl, CURLOPT_PASSWORD, password.c_str());
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curl_easy_setopt(curl, CURLOPT_DIRLISTONLY, 1L);
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- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, filelistCallback);
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+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeStringListCallback);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &fileList);
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res = curl_easy_perform(curl);
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@@ -182,7 +229,10 @@ bool CurlFtp::listFiles(const std::string &ftpUrl, const std::string &username,
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curl_easy_cleanup(curl);
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}
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- curl_global_cleanup();
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+ if(hasInstace == false)
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+ {
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+ curl_global_cleanup();
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+ }
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return result;
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}
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@@ -228,7 +278,77 @@ bool CurlFtp::createDir(const std::string &ftpUrl, const std::string &username,
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curl_slist_free_all(headerlist);
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}
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- curl_global_cleanup();
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+ if(hasInstace == false)
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+ {
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+ curl_global_cleanup();
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+ }
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+ return result;
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+}
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+
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+
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+
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+bool CurlFtp::setFtpIPAndPort(const std::string& IP, const std::string& port)
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+{
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+
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+ m_IP = IP;
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+ m_port = port;
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+ m_ftpUrl = "ftp://" + m_IP + ":" + m_port;
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+ printf("ftpUrl = %s\n", m_ftpUrl.c_str());
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+
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+ return true;
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+}
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+
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+
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+
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+bool CurlFtp::setFtpUsernameAndPassword(const std::string& username, const std::string& password)
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+{
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+ m_username = username;
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+ m_password = password;
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+
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+ return true;
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+}
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+
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+
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+bool CurlFtp::listAll(std::string dir, std::vector<std::string>& fileList)
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+{
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+ if(m_IP.empty() || m_port.empty())
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+ {
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+ printf("IP or port is empty\n");
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+ return false;
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+ }
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+ if(m_curl == nullptr)
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+ {
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+ printf("m_curl is nullptr\n");
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+ return false;
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+ }
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+ bool result = false;
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+
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+ std::string ftpUrl = m_ftpUrl + dir;
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+ curl_easy_setopt(m_curl, CURLOPT_URL, ftpUrl.c_str());
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+
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+ curl_easy_setopt(m_curl, CURLOPT_USERNAME, m_username.c_str());
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+ curl_easy_setopt(m_curl, CURLOPT_PASSWORD, m_password.c_str());
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+
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+
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+
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+
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+ curl_easy_setopt(m_curl, CURLOPT_WRITEFUNCTION, writeStringListCallback);
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+
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+ curl_easy_setopt(m_curl, CURLOPT_WRITEDATA, &fileList);
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+
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+
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+ m_res = curl_easy_perform(m_curl);
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+ if(m_res != CURLE_OK)
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+ {
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+ fprintf(stderr, "Failed to get file list, error code :%d ,%s\n", m_res, curl_easy_strerror(m_res));
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+ result = false;
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+ } else
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+ {
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+ result = true;
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+ }
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+
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+
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+
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return result;
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}
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