ftp.zip_ftp c_libcurl_libcurl ftp_libcurl下载文件_vs2010 cppclean

//ftp-manager.c #include <stdio.h> #include <stdlib.h> #include <curl.h> #include "ftpmanager.h" #pragma comment(lib,"libcurl_imp.lib") /*****************util api******************/ int get_file_size(FILE *file) { int size = 0; fseek(file, 0L, SEEK_END); size = ftell(file); fseek(file, 0L, SEEK_SET); return size; } /******************curl api****************/ CURL *curl_init() { curl_global_init(CURL_GLOBAL_DEFAULT); CURL *curl = curl_easy_init(); if(NULL == curl) { fprintf(stderr, "Init curl failed.\n"); exit(1); } return curl; } void curl_set_upload_opt(CURL *curl, const char *url, const char *user_key, FILE *file) { curl_easy_setopt(curl, CURLOPT_URL, url); curl_easy_setopt(curl, CURLOPT_USERPWD, user_key); curl_easy_setopt(curl, CURLOPT_READDATA, file); curl_easy_setopt(curl, CURLOPT_UPLOAD, 1); curl_easy_setopt(curl, CURLOPT_INFILESIZE, get_file_size(file)); curl_easy_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS, 1); // curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); } void curl_set_download_opt(CURL *curl, const char *url, const char *user_key, FILE *file) { curl_easy_setopt(curl, CURLOPT_URL, url); curl_easy_setopt(curl, CURLOPT_USERPWD, user_key); curl_easy_setopt(curl, CURLOPT_WRITEDATA, file); // curl_easy_setopt(curl, CURLOPT_VERBOSE, 1); } void curl_exit(CURL *curl) { curl_easy_cleanup(curl); curl_global_cleanup(); } CURLcode curl_perform(CURL *curl) { CURLcode ret = curl_easy_perform(curl); if(ret != 0) { fprintf(stderr, "Perform curl failed.\n"); curl_exit(curl); exit(1); } return ret; } /****************ftp upload & download api******************/ FTP_STATE ftp_upload(const FTP_OPT ftp_option) { FTP_STATE state; CURL *curl;; FILE *fp = fopen(ftp_option.file, "r"); if(NULL == fp) { fprintf(stderr, "Open file failed at %s:%d\n", __FILE__, __LINE__); return FTP_UPLOAD_FAILED; } curl = curl_init(); curl_set_upload_opt(curl, ftp_option.url, ftp_option.user_key, fp); if(CURLE_OK == curl_perform(curl)) state = FTP_UPLOAD_SUCCESS; else state = FTP_UPLOAD_FAILED; curl_exit(curl); fclose(fp); return state; } FTP_STATE ftp_download(const FTP_OPT ftp_option) { FTP_STATE state; CURL *curl; FILE *fp = fopen(ftp_option.file, "w"); if(NULL == fp) { fprintf(stderr, "Open file failed at %s:%d\n", __FILE__, __LINE__); return FTP_UPLOAD_FAILED; } curl = curl_init(); curl_set_download_opt(curl, ftp_option.url, ftp_option.user_key, fp); if(CURLE_OK == curl_perform(curl)) state = FTP_DOWNLOAD_SUCCESS; else state = FTP_DOWNLOAD_FAILED; curl_exit(curl); fclose(fp); return state; }