As the code below shows, it succesfully created a file on specified sFtp server dierectory, however, the file's size was ZERO! No matter what the local file's size was!  

Why? Any thing wrong?

Any help is grateful!

===============CODE==================

static size_t read_callback(void * pBuffer, size_t size, size_t nmemb, void * hFile)
{
        DWORD dwNumberOfBytesRead = 0;
        BOOL bResult = ReadFile( (HANDLE) hFile, pBuffer, size * nmemb, &dwNumberOfBytesRead, NULL);
        return dwNumberOfBytesRead;
}

bool sFTPUpload(CString bsFileFullPath, CString bsFtpWorkPath, CString bsFileRltPath, CString bsUserPassword)
{
        USES_CONVERSION;

        FILE *hFile;
        char * lpszCurlErrorBuffer[CURL_ERROR_SIZE];
        CURLcode nCurlResult = CURL_LAST;
        struct stat file_info;

        DWORD dwLastError;

        /*open the uploading file*/
        int hd ;
        hd = open(bsFileFullPath, O_RDONLY) ;
        fstat(hd, &file_info);
        close(hd) ;

        hFile = fopen(bsFileFullPath, "r");
        
        if (hFile == INVALID_HANDLE_VALUE)
        {
              dwLastError = GetLastError();
              printf("open file failed!\n%s\nDiscribe:%s",bsFileFullPath, dwLastError);              
              curl_global_cleanup();
              return false;
        }
        else  printf("open file OK!\n%s\n",bsFileFullPath);

        /*begin init*/
        curl_global_init(CURL_GLOBAL_ALL);

        CURL * hCurl = curl_easy_init();
        if (!hCurl)
        {
            curl_global_cleanup();
            printf("CURL-Library easy_init failed \n");
            return false;
        }
        printf("CURL-Library init OK£¡\n");

        /*begin easy_handle*/
        {
            struct curl_slist * headerlist = NULL;
    
            CString sFTPPath = bsFtpWorkPath + bsFileRltPath;
            printf("setopt remote_url:%s\n",sFTPPath);
        
            /* enable error buffer */
            curl_easy_setopt(hCurl, CURLOPT_ERRORBUFFER, lpszCurlErrorBuffer) ;
            curl_easy_setopt(hCurl, CURLOPT_VERBOSE, 1);

            /* enable uploading */
            curl_easy_setopt(hCurl, CURLOPT_UPLOAD, TRUE) ;

            curl_easy_setopt(hCurl,CURLOPT_TRANSFERTEXT, TRUE) ;

            /* specify target */    
            curl_easy_setopt(hCurl, CURLOPT_URL, sFTPPath);

            /* read function */
            curl_easy_setopt(hCurl, CURLOPT_READFUNCTION, read_callback);

            /* now specify which file to upload */
            curl_easy_setopt(hCurl, CURLOPT_READDATA, hFile);

            curl_easy_setopt(hCurl, CURLOPT_USERPWD, bsUserPassword);

            curl_easy_setopt(hCurl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)file_info.st_size);

            /* Now do perform! */
            nCurlResult = curl_easy_perform(hCurl);

            /* clean up the FTP commands list */
            curl_slist_free_all (headerlist);

            /* always cleanup */
            curl_easy_cleanup(hCurl);
        }

        fclose(hFile); /* close the local file */

        curl_global_cleanup();

        if (nCurlResult == CURLE_OK)
        {
            printf("upload succeed!\n");
            return true;
        }
 
       return false;
}

int main()
{
    CString LocalFilefullpath,ServerWorkPath,sFtpFileRltpath,UserPwd;
    LocalFilefullpath = "C:\\Documents and Settings\\user\\desktop\\synctest\\test.txt";
    ServerWorkPath = "sftp://192.168.1.166/home/user/";
    sFtpFileRltpath = "synctest/test.txt";
    UserPwd = "user:pwd";

    sFTPUpload(LocalFilefullpath, ServerWorkPath,sFtpFileRltpath,UserPwd);

    return 0;
}

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Received on 2008-11-01