C++ (Cpp) ngx_change_file_access Exemples

Exemple #1

Fichier : ngx_file.c Projet : RocFang/nginx-code-reading

ngx_int_t
ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to, ngx_ext_rename_file_t *ext)
{
    u_char           *name;
    ngx_err_t         err;
    ngx_copy_file_t   cf;

#if !(NGX_WIN32)

    if (ext->access) {
        if (ngx_change_file_access(src->data, ext->access) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                          ngx_change_file_access_n " \"%s\" failed", src->data);
            err = 0;
            goto failed;
        }
    }

#endif

    if (ext->time != -1) {
        if (ngx_set_file_time(src->data, ext->fd, ext->time) != NGX_OK) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                          ngx_set_file_time_n " \"%s\" failed", src->data);
            err = 0;
            goto failed;
        }
    }

    if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
        return NGX_OK;
    }

    err = ngx_errno;

    if (err == NGX_ENOPATH) {

        if (!ext->create_path) {
            goto failed;
        }

        err = ngx_create_full_path(to->data, ngx_dir_access(ext->path_access));

        if (err) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, err,
                          ngx_create_dir_n " \"%s\" failed", to->data);
            err = 0;
            goto failed;
        }

        if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
            return NGX_OK;
        }

        err = ngx_errno;
    }

#if (NGX_WIN32)
//deleted by fangpeng
#endif

    if (err == NGX_EXDEV) {

        cf.size = -1;
        cf.buf_size = 0;
        cf.access = ext->access;
        cf.time = ext->time;
        cf.log = ext->log;

        name = ngx_alloc(to->len + 1 + 10 + 1, ext->log);
        if (name == NULL) {
            return NGX_ERROR;
        }

        (void) ngx_sprintf(name, "%*s.%010uD%Z", to->len, to->data,
                           (uint32_t) ngx_next_temp_number(0));

        if (ngx_copy_file(src->data, name, &cf) == NGX_OK) {

            if (ngx_rename_file(name, to->data) != NGX_FILE_ERROR) {
                ngx_free(name);

                if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
                    ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                                  ngx_delete_file_n " \"%s\" failed",
                                  src->data);
                    return NGX_ERROR;
                }

                return NGX_OK;
            }

            ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                          ngx_rename_file_n " \"%s\" to \"%s\" failed",
                          name, to->data);

            if (ngx_delete_file(name) == NGX_FILE_ERROR) {
                ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                              ngx_delete_file_n " \"%s\" failed", name);

            }
        }

        ngx_free(name);

        err = 0;
    }

failed:

    if (ext->delete_file) {
        if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                          ngx_delete_file_n " \"%s\" failed", src->data);
        }
    }

    if (err) {
        ngx_log_error(NGX_LOG_CRIT, ext->log, err,
                      ngx_rename_file_n " \"%s\" to \"%s\" failed",
                      src->data, to->data);
    }

    return NGX_ERROR;
}

Exemple #2

Fichier : ngx_file.c Projet : ThomasLau/nginxsrp

ngx_int_t
ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to, ngx_ext_rename_file_t *ext)
{
    ngx_err_t  err;

#if !(NGX_WIN32)

    if (ext->access) {
        if (ngx_change_file_access(src->data, ext->access) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                          ngx_change_file_access_n " \"%s\" failed", src->data);
            err = 0;
            goto failed;
        }
    }

#endif

    if (ext->time != -1) {
        if (ngx_set_file_time(src->data, ext->fd, ext->time) != NGX_OK) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                          ngx_set_file_time_n " \"%s\" failed", src->data);
            err = 0;
            goto failed;
        }
    }

    if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
        return NGX_OK;
    }

    err = ngx_errno;

    if (err
#if (NGX_WIN32)
            == ERROR_PATH_NOT_FOUND
#else
            == NGX_ENOENT
#endif
       )
    {
        if (!ext->create_path) {
            goto failed;
        }

        err = ngx_create_full_path(to->data, ngx_dir_access(ext->path_access));

        if (err) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, err,
                          ngx_create_dir_n " \"%s\" failed", to->data);
            err = 0;
            goto failed;
        }

        if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
            return NGX_OK;
        }

        err = ngx_errno;
        goto failed;
    }

#if (NGX_WIN32)

    if (err == NGX_EEXIST) {
        if (ngx_win32_rename_file(src, to, ext->log) == NGX_OK) {

            if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
                return NGX_OK;
            }

            err = ngx_errno;

        } else {
            err = 0;
        }
    }

#endif

failed:

    if (ext->delete_file) {
        if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
                          ngx_delete_file_n " \"%s\" failed", src->data);
        }
    }

    if (err && ext->log_rename_error) {
        ngx_log_error(NGX_LOG_CRIT, ext->log, err,
                      ngx_rename_file_n " \"%s\" to \"%s\" failed",
                      src->data, to->data);
    }

    ext->rename_error = err;

    return NGX_ERROR;
}