Example #1
0
/* //////////////////////////////////////////////////////////////////////////////////////
 * interfaces
 */
tb_size_t tb_database_sqlite3_probe(tb_url_ref_t url)
{
    // check
    tb_assert_and_check_return_val(url, 0);

    // done
    tb_size_t           score = 0;
    tb_stream_ref_t  stream = tb_null;
    do
    {
        // the url arguments
        tb_char_t const* args = tb_url_args(url);
        if (args)
        {
            // find the database type
            tb_char_t const* ptype = tb_stristr(args, "type=");
            if (ptype && !tb_strnicmp(ptype + 5, "sqlite3", 7))
            {
                // ok
                score = 100;
                break;
            }
        }

        // has host or port? no sqlite3
        if (tb_url_host(url) || tb_url_port(url)) break;

        // the database path
        tb_char_t const* path = tb_url_cstr((tb_url_ref_t)url);
        tb_assert_and_check_break(path);

        // is file?
        if (tb_url_protocol(url) == TB_URL_PROTOCOL_FILE) score += 20;

        // init stream
        stream = tb_stream_init_from_url(path);
        tb_assert_and_check_break(stream);

        // open stream
        if (!tb_stream_open(stream)) break;

        // read head
        tb_char_t head[16] = {0};
        if (!tb_stream_bread(stream, (tb_byte_t*)head, 15)) break;

        // is sqlite3?
        if (!tb_stricmp(head, "SQLite format 3")) score = 100;

    } while (0);

    // exit stream
    if (stream) tb_stream_exit(stream);
    stream = tb_null;

    // trace
    tb_trace_d("probe: %s, score: %lu", tb_url_cstr((tb_url_ref_t)url), score);

    // ok?
    return score;
}
Example #2
0
File: data.c Project: luxuan/tbox
tb_bool_t tb_object_data_writ_to_url(tb_object_ref_t object, tb_char_t const* url)
{
    // check
    tb_object_data_t* data = tb_object_data_cast(object);
    tb_assert_and_check_return_val(data && tb_object_data_getp((tb_object_ref_t)data) && url, tb_false);

    // make stream
    tb_stream_ref_t stream = tb_stream_init_from_url(url);
    tb_assert_and_check_return_val(stream, tb_false);

    // ctrl
    if (tb_stream_type(stream) == TB_STREAM_TYPE_FILE)
        tb_stream_ctrl(stream, TB_STREAM_CTRL_FILE_SET_MODE, TB_FILE_MODE_WO | TB_FILE_MODE_CREAT | TB_FILE_MODE_TRUNC);
    
    // open stream
    tb_bool_t ok = tb_false;
    if (tb_stream_open(stream))
    {
        // writ stream
        if (tb_stream_bwrit(stream, (tb_byte_t const*)tb_object_data_getp((tb_object_ref_t)data), tb_object_data_size((tb_object_ref_t)data))) ok = tb_true;
    }

    // exit stream
    tb_stream_exit(stream);

    // ok?
    return ok;
}
Example #3
0
/* //////////////////////////////////////////////////////////////////////////////////////
 * interfaces
 */
tb_object_ref_t tb_object_data_init_from_url(tb_char_t const* url)
{
    // check
    tb_assert_and_check_return_val(url, tb_null);

    // init stream
    tb_stream_ref_t stream = tb_stream_init_from_url(url);
    tb_assert_and_check_return_val(stream, tb_null);

    // make stream
    tb_object_ref_t object = tb_null;
    if (tb_stream_open(stream))
    {
        // read all data
        tb_size_t   size = 0;
        tb_byte_t*  data = (tb_byte_t*)tb_stream_bread_all(stream, tb_false, &size);
        if (data)
        {
            // make object
            object = tb_object_data_init_from_data(data, size);

            // exit data
            tb_free(data);
        }

        // exit stream
        tb_stream_exit(stream);
    }

    // ok?
    return object;
}
Example #4
0
tb_int_t tb_demo_stream_zip_main(tb_int_t argc, tb_char_t** argv)
{
    // init istream
    tb_stream_ref_t istream = tb_stream_init_from_url(argv[1]);

    // init ostream
    tb_stream_ref_t ostream = tb_stream_init_from_file(argv[2], TB_FILE_MODE_RW | TB_FILE_MODE_CREAT | TB_FILE_MODE_BINARY | TB_FILE_MODE_TRUNC);

    // filter istream or ostream?
    tb_stream_ref_t iostream = istream;
//  tb_stream_ref_t iostream = ostream;

    // init fstream
//  tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_RLC, TB_ZIP_ACTION_INFLATE);
//  tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_RLC, TB_ZIP_ACTION_DEFLATE);
//  tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_ZLIB, TB_ZIP_ACTION_INFLATE);
//  tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_ZLIB, TB_ZIP_ACTION_DEFLATE);
//  tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_GZIP, TB_ZIP_ACTION_INFLATE);
    tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_GZIP, TB_ZIP_ACTION_DEFLATE);   
//  tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_ZLIBRAW, TB_ZIP_ACTION_INFLATE);
//  tb_stream_ref_t fstream = tb_stream_init_filter_from_zip(iostream, TB_ZIP_ALGO_ZLIBRAW, TB_ZIP_ACTION_DEFLATE);

    // done
    if (istream && ostream && fstream) 
    {
        // save it
        tb_hong_t save = 0;
        if (iostream == istream) save = tb_transfer_done(fstream, ostream, 0, tb_null, tb_null);
        else save = tb_transfer_done(istream, fstream, 0, tb_null, tb_null);

        // trace
        tb_trace_i("save: %lld bytes, size: %lld bytes", save, tb_stream_size(istream));
    }

    // exit fstream
    tb_stream_exit(fstream);

    // exit istream
    tb_stream_exit(istream);

    // exit ostream
    tb_stream_exit(ostream);
    return 0;
}
Example #5
0
/* //////////////////////////////////////////////////////////////////////////////////////
 * interfaces
 */
tb_bool_t tb_dns_init()
{
    // done
    tb_size_t count = 0;
    if (tb_file_info("/etc/resolv.conf", tb_null)) 
    {
        /* try get list from "/etc/resolv.conf"
         *
         * # Generated by NetworkManager
         * nameserver 10.1.20.10
         * nameserver 8.8.8.8
         *
         */
        tb_stream_ref_t stream = tb_stream_init_from_url("/etc/resolv.conf");
        if (stream)
        {
            // open
            if (tb_stream_open(stream)) 
            {
                // read
                tb_long_t size = 0;
                tb_char_t line[8192];
                while ((size = tb_stream_bread_line(stream, line, 8192)) >= 0)
                {
                    if (size && !tb_strnicmp(line, "nameserver", 10))
                    {
                        // seek to server
                        tb_char_t const* p = line + 10;
                        while (*p && !tb_isdigit(*p)) p++;
                        tb_check_continue(*p);

                        // add server
                        tb_dns_server_add(p);

                        // count++
                        count++;
                    }
                }
            }
    
            // exit
            tb_stream_exit(stream);
        }
    }

    // no server? add the default server
    if (!count) 
    {
        tb_dns_server_add("8.8.8.8");
        tb_dns_server_add("8.8.8.4");
    }

    // ok
    return tb_true;
}
Example #6
0
tb_void_t tb_xml_reader_exit(tb_xml_reader_ref_t reader)
{
    // check
    tb_xml_reader_impl_t* impl = (tb_xml_reader_impl_t*)reader;
    tb_assert_and_check_return(impl);

    // clos it first
    tb_xml_reader_clos(reader);

    // exit the filter stream
    if (impl->fstream) tb_stream_exit(impl->fstream);

    // exit text
    tb_string_exit(&impl->text);

    // exit version
    tb_string_exit(&impl->version);

    // exit charset
    tb_string_exit(&impl->charset);

    // exit element
    tb_string_exit(&impl->element);

    // exit element name
    tb_string_exit(&impl->element_name);

    // exit attribute name
    tb_string_exit(&impl->attribute_name);

    // exit attribute data
    tb_string_exit(&impl->attribute_data);

    // exit attributes
    tb_long_t i = 0;
    for (i = 0; i < TB_XML_READER_ATTRIBUTES_MAXN; i++)
    {
        tb_xml_node_ref_t node = (tb_xml_node_ref_t)(impl->attributes + i);
        tb_string_exit(&node->name);
        tb_string_exit(&node->data);
    }

    // free it
    tb_free(impl);
}
Example #7
0
tb_void_t tb_xml_reader_clos(tb_xml_reader_ref_t reader)
{
    // check
    tb_xml_reader_impl_t* impl = (tb_xml_reader_impl_t*)reader;
    tb_assert_and_check_return(impl);

    // clos the reader stream
    if (impl->rstream) tb_stream_clos(impl->rstream);
    impl->rstream = tb_null;

    // exit the input stream
    if (impl->istream && impl->bowner) tb_stream_exit(impl->istream);
    impl->istream = tb_null;

    // clear level
    impl->level = 0;

    // clear owner
    impl->bowner = tb_false;

    // clear text
    tb_string_clear(&impl->text);

    // clear element
    tb_string_clear(&impl->element);

    // clear name
    tb_string_clear(&impl->element_name);

    // clear attribute name
    tb_string_clear(&impl->attribute_name);

    // clear attribute data
    tb_string_clear(&impl->attribute_data);

    // clear attributes
    tb_long_t i = 0;
    for (i = 0; i < TB_XML_READER_ATTRIBUTES_MAXN; i++)
    {
        tb_xml_node_ref_t node = (tb_xml_node_ref_t)(impl->attributes + i);
        tb_string_clear(&node->name);
        tb_string_clear(&node->data);
    }
}
Example #8
0
gb_bitmap_ref_t gb_bitmap_init_from_url(tb_size_t pixfmt, tb_char_t const* url)
{
    // check
    tb_assert_and_check_return_val(GB_PIXFMT_OK(pixfmt) && url, tb_null);
    
    // init stream
    tb_stream_ref_t stream = tb_stream_init_from_url(url);
    tb_assert_and_check_return_val(stream, tb_null);

    // init bitmap from stream
    gb_bitmap_ref_t bitmap = tb_null;
    if (tb_stream_open(stream)) bitmap = gb_bitmap_init_from_stream(pixfmt, stream);

    // exit stream
    tb_stream_exit(stream);

    // ok?
    return bitmap;
}
Example #9
0
File: dump.c Project: ZuckerB/tbox
tb_void_t tb_dump_data_from_url(tb_char_t const* url)
{
    // check
    tb_assert_and_check_return(url);

    // init stream
    tb_stream_ref_t stream = tb_stream_init_from_url(url);
    if (stream)
    {
        // open stream
        if (tb_stream_open(stream))
        {
            // dump stream
            tb_dump_data_from_stream(stream);
        }

        // exit stream
        tb_stream_exit(stream);
    }
}
Example #10
0
tb_long_t tb_object_writ_to_data(tb_object_ref_t object, tb_byte_t* data, tb_size_t size, tb_size_t format)
{
    // check
    tb_assert_and_check_return_val(object && data && size, -1);

    // make stream
    tb_long_t           writ = -1;
    tb_stream_ref_t     stream = tb_stream_init_from_data(data, size);
    if (stream)
    {
        // open and writ stream
        if (tb_stream_open(stream)) writ = tb_object_writ(object, stream, format);

        // exit stream
        tb_stream_exit(stream);
    }

    // ok?
    return writ;
}
Example #11
0
File: dump.c Project: ZuckerB/tbox
tb_void_t tb_dump_data(tb_byte_t const* data, tb_size_t size)
{
    // check
    tb_assert_and_check_return(data && size);

    // init stream
    tb_stream_ref_t stream = tb_stream_init_from_data(data, size);
    if (stream)
    {
        // open stream
        if (tb_stream_open(stream))
        {
            // dump stream
            tb_dump_data_from_stream(stream);
        }

        // exit stream
        tb_stream_exit(stream);
    }
}
Example #12
0
tb_object_ref_t tb_object_read_from_data(tb_byte_t const* data, tb_size_t size)
{
    // check
    tb_assert_and_check_return_val(data && size, tb_null);

    // init
    tb_object_ref_t object = tb_null;

    // make stream
    tb_stream_ref_t stream = tb_stream_init_from_data(data, size);
    tb_assert_and_check_return_val(stream, tb_null);

    // read object
    if (tb_stream_open(stream)) object = tb_object_read(stream);

    // exit stream
    tb_stream_exit(stream);

    // ok?
    return object;
}
Example #13
0
tb_object_ref_t tb_object_read_from_url(tb_char_t const* url)
{
    // check
    tb_assert_and_check_return_val(url, tb_null);

    // init
    tb_object_ref_t object = tb_null;

    // make stream
    tb_stream_ref_t stream = tb_stream_init_from_url(url);
    tb_assert_and_check_return_val(stream, tb_null);

    // read object
    if (tb_stream_open(stream)) object = tb_object_read(stream);

    // exit stream
    tb_stream_exit(stream);

    // ok?
    return object;
}
Example #14
0
File: data.c Project: luxuan/tbox
/* //////////////////////////////////////////////////////////////////////////////////////
 * interfaces
 */
tb_object_ref_t tb_object_data_init_from_url(tb_char_t const* url)
{
    // check
    tb_assert_and_check_return_val(url, tb_null);

    // init stream
    tb_stream_ref_t stream = tb_stream_init_from_url(url);
    tb_assert_and_check_return_val(stream, tb_null);

    // make stream
    tb_object_ref_t object = tb_null;
    if (tb_stream_open(stream))
    {
        // size
        tb_hong_t size = tb_stream_size(stream);
        if (size > 0 && size < TB_MAXS32)
        {
            tb_byte_t* data = tb_malloc0_bytes((tb_size_t)size);
            if (data) 
            {
                if (tb_stream_bread(stream, data, (tb_size_t)size))
                    object = tb_object_data_init_from_data(data, (tb_size_t)size);
                tb_free(data);
            }
        }
        else object = tb_object_data_init_from_data(tb_null, 0);

        // check, TODO: read stream if no size
        tb_assert(size >= 0 && size < TB_MAXS32);

        // exit stream
        tb_stream_exit(stream);
    }

    // ok?
    return object;
}
Example #15
0
static tb_void_t tb_demo_spider_parser_exit(tb_thread_pool_worker_ref_t worker, tb_cpointer_t priv)
{
    // check
    tb_demo_spider_parser_t* parser = (tb_demo_spider_parser_t*)priv;
    tb_assert_and_check_return(parser);

    // exit stream
    if (parser->stream) tb_stream_exit(parser->stream);
    parser->stream = tb_null;

    // exit reader
    if (parser->reader) tb_xml_reader_exit(parser->reader);
    parser->reader = tb_null;

    // exit cache
    if (parser->cache) tb_circle_queue_exit(parser->cache);
    parser->cache = tb_null;

    // exit iurl
    tb_url_exit(&parser->iurl);

    // exit it
    tb_free(parser);
}
Example #16
0
tb_long_t tb_object_writ_to_url(tb_object_ref_t object, tb_char_t const* url, tb_size_t format)
{
    // check
    tb_assert_and_check_return_val(object && url, -1);

    // make stream
    tb_long_t           writ = -1;
    tb_stream_ref_t     stream = tb_stream_init_from_url(url);
    if (stream)
    {
        // ctrl stream
        if (tb_stream_type(stream) == TB_STREAM_TYPE_FILE)
            tb_stream_ctrl(stream, TB_STREAM_CTRL_FILE_SET_MODE, TB_FILE_MODE_RW | TB_FILE_MODE_BINARY | TB_FILE_MODE_CREAT | TB_FILE_MODE_TRUNC);

        // open and writ stream
        if (tb_stream_open(stream)) writ = tb_object_writ(object, stream, format);

        // exit stream
        tb_stream_exit(stream);
    }

    // ok?
    return writ;
}
Example #17
0
/* //////////////////////////////////////////////////////////////////////////////////////
 * main
 */ 
tb_int_t tb_demo_stream_main(tb_int_t argc, tb_char_t** argv)
{
    // done
    tb_option_ref_t     option = tb_null;
    tb_stream_ref_t     istream = tb_null;
    tb_stream_ref_t     ostream = tb_null;
    tb_stream_ref_t     pstream = tb_null;
    do
    {
        // init option
        option = tb_option_init("stream", "the stream demo", g_options);
        tb_assert_and_check_break(option);
    
        // done option
        if (tb_option_done(option, argc - 1, &argv[1]))
        {
            // debug & verbose
            tb_bool_t debug = tb_option_find(option, "debug");
            tb_bool_t verbose = tb_option_find(option, "no-verbose")? tb_false : tb_true;
        
            // done url
            if (tb_option_find(option, "url")) 
            {
                // init istream
                istream = tb_stream_init_from_url(tb_option_item_cstr(option, "url"));
                tb_assert_and_check_break(istream);
    
                // ctrl http
                if (tb_stream_type(istream) == TB_STREAM_TYPE_HTTP) 
                {
                    // enable gzip?
                    if (tb_option_find(option, "gzip"))
                    {
                        // auto unzip
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_AUTO_UNZIP, 1)) break;

                        // need gzip
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_HEAD, "Accept-Encoding", "gzip,deflate")) break;
                    }

                    // enable debug?
                    if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_HEAD_FUNC, debug? tb_demo_stream_head_func : tb_null)) break;

                    // custem header?
                    if (tb_option_find(option, "header"))
                    {
                        // init
                        tb_string_t key;
                        tb_string_t val;
                        tb_string_init(&key);
                        tb_string_init(&val);

                        // done
                        tb_bool_t           k = tb_true;
                        tb_char_t const*    p = tb_option_item_cstr(option, "header");
                        while (*p)
                        {
                            // is key?
                            if (k)
                            {
                                if (*p != ':' && !tb_isspace(*p)) tb_string_chrcat(&key, *p++);
                                else if (*p == ':') 
                                {
                                    // skip ':'
                                    p++;

                                    // skip space
                                    while (*p && tb_isspace(*p)) p++;

                                    // is val now
                                    k = tb_false;
                                }
                                else p++;
                            }
                            // is val?
                            else
                            {
                                if (*p != ';') tb_string_chrcat(&val, *p++);
                                else
                                {
                                    // skip ';'
                                    p++;

                                    // skip space
                                    while (*p && tb_isspace(*p)) p++;

                                    // set header
                                    if (tb_string_size(&key) && tb_string_size(&val))
                                    {
                                        if (debug) tb_printf("header: %s: %s\n", tb_string_cstr(&key), tb_string_cstr(&val));
                                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_HEAD, tb_string_cstr(&key), tb_string_cstr(&val))) break;
                                    }

                                    // is key now
                                    k = tb_true;

                                    // clear key & val
                                    tb_string_clear(&key);
                                    tb_string_clear(&val);
                                }
                            }
                        }

                        // set header
                        if (tb_string_size(&key) && tb_string_size(&val))
                        {
                            if (debug) tb_printf("header: %s: %s\n", tb_string_cstr(&key), tb_string_cstr(&val));
                            if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_HEAD, tb_string_cstr(&key), tb_string_cstr(&val))) break;
                        }

                        // exit 
                        tb_string_exit(&key);
                        tb_string_exit(&val);
                    }

                    // keep alive?
                    if (tb_option_find(option, "keep-alive"))
                    {
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_HEAD, "Connection", "keep-alive")) break;
                    }

                    // post-data?
                    if (tb_option_find(option, "post-data"))
                    {
                        tb_char_t const*    post_data = tb_option_item_cstr(option, "post-data");
                        tb_hize_t           post_size = tb_strlen(post_data);
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_METHOD, TB_HTTP_METHOD_POST)) break;
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_POST_DATA, post_data, post_size)) break;
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_POST_FUNC, tb_demo_http_post_func)) break;
                        if (debug) tb_printf("post: %llu\n", post_size);
                    }
                    // post-file?
                    else if (tb_option_find(option, "post-file"))
                    {
                        tb_char_t const* url = tb_option_item_cstr(option, "post-file");
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_METHOD, TB_HTTP_METHOD_POST)) break;
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_POST_URL, url)) break;
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_POST_FUNC, tb_demo_http_post_func)) break;
                        if (debug) tb_printf("post: %s\n", url);
                    }
                }

                // set range
                if (tb_option_find(option, "range"))
                {
                    tb_char_t const* p = tb_option_item_cstr(option, "range");
                    if (p)
                    {
                        // the bof
                        tb_hize_t eof = 0;
                        tb_hize_t bof = tb_atoll(p);
                        while (*p && tb_isdigit(*p)) p++;
                        if (*p == '-')
                        {
                            p++;
                            eof = tb_atoll(p);
                        }
                        if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_HTTP_SET_RANGE, bof, eof)) break;
                    }
                }

                // set timeout
                if (tb_option_find(option, "timeout"))
                {
                    tb_size_t timeout = tb_option_item_uint32(option, "timeout");
                    if (!tb_stream_ctrl(istream, TB_STREAM_CTRL_SET_TIMEOUT, timeout)) break;
                }

                // print verbose info
                if (verbose) tb_printf("open: %s: ..\n", tb_option_item_cstr(option, "url"));

                // open istream
                if (!tb_stream_open(istream)) 
                {
                    // print verbose info
                    if (verbose) tb_printf("open: %s\n", tb_state_cstr(tb_stream_state(istream)));
                    break;
                }

                // print verbose info
                if (verbose) tb_printf("open: ok\n");

                // init ostream
                if (tb_option_find(option, "more0"))
                {
                    // the path
                    tb_char_t const* path = tb_option_item_cstr(option, "more0");

                    // init
                    ostream = tb_stream_init_from_file(path, TB_FILE_MODE_RW | TB_FILE_MODE_CREAT | TB_FILE_MODE_BINARY | TB_FILE_MODE_TRUNC);

                    // print verbose info
                    if (verbose) tb_printf("save: %s\n", path);
                }
                else 
                {
                    // the name
                    tb_char_t const* name = tb_strrchr(tb_option_item_cstr(option, "url"), '/');
                    if (!name) name = tb_strrchr(tb_option_item_cstr(option, "url"), '\\');
                    if (!name) name = "/stream.file";

                    // the path
                    tb_char_t path[TB_PATH_MAXN] = {0};
                    if (tb_directory_current(path, TB_PATH_MAXN))
                        tb_strcat(path, name);
                    else break;

                    // init file
                    ostream = tb_stream_init_from_file(path, TB_FILE_MODE_RW | TB_FILE_MODE_CREAT | TB_FILE_MODE_BINARY | TB_FILE_MODE_TRUNC);

                    // print verbose info
                    if (verbose) tb_printf("save: %s\n", path);
                }
                tb_assert_and_check_break(ostream);

                // the limit rate
                tb_size_t limitrate = 0;
                if (tb_option_find(option, "limitrate"))
                    limitrate = tb_option_item_uint32(option, "limitrate");

                // save it
                tb_hong_t           save = 0;
                tb_demo_context_t   context = {0}; 
                context.verbose     = verbose;
                if ((save = tb_transfer_done(istream, ostream, limitrate, tb_demo_stream_save_func, &context)) < 0) break;
            }
            else tb_option_help(option);
        }
        else tb_option_help(option);

    } while (0);

    // exit pstream
    if (pstream) tb_stream_exit(pstream);
    pstream = tb_null;

    // exit istream
    if (istream) tb_stream_exit(istream);
    istream = tb_null;

    // exit ostream
    if (ostream) tb_stream_exit(ostream);
    ostream = tb_null;

    // exit option
    if (option) tb_option_exit(option);
    option = tb_null;

    return 0;
}