/* ////////////////////////////////////////////////////////////////////////////////////// * main */ tb_int_t tb_demo_stream_async_stream_null_main(tb_int_t argc, tb_char_t** argv) { // done tb_event_ref_t event = tb_null; tb_async_transfer_ref_t transfer = tb_null; tb_async_stream_ref_t istream = tb_null; tb_async_stream_ref_t ostream = tb_null; tb_async_stream_ref_t fstream = tb_null; do { // init event event = tb_event_init(); tb_assert_and_check_break(event); // init istream istream = tb_async_stream_init_from_url(tb_aicp(), argv[1]); tb_assert_and_check_break(istream); // init ostream ostream = tb_async_stream_init_from_file(tb_aicp(), argv[2], TB_FILE_MODE_RW | TB_FILE_MODE_CREAT | TB_FILE_MODE_BINARY | TB_FILE_MODE_TRUNC); tb_assert_and_check_break(ostream); // init fstream fstream = tb_async_stream_init_filter_from_null(istream); tb_assert_and_check_break(fstream); // init transfer transfer = tb_async_transfer_init(tb_null, tb_true); tb_assert_and_check_break(transfer); // init transfer stream if (!tb_async_transfer_init_istream(transfer, fstream)) break; if (!tb_async_transfer_init_ostream(transfer, ostream)) break; // open and save transfer if (!tb_async_transfer_open_done(transfer, 0, tb_demo_async_stream_null_done_func, event)) break; // wait it tb_event_wait(event, -1); } while (0); // exit transfer if (transfer) tb_async_transfer_exit(transfer); transfer = tb_null; // exit fstream if (fstream) tb_async_stream_exit(fstream); fstream = tb_null; // exit istream if (istream) tb_async_stream_exit(istream); istream = tb_null; // exit ostream if (ostream) tb_async_stream_exit(ostream); ostream = tb_null; // exit event if (event) tb_event_exit(event); event = tb_null; return 0; }
tb_bool_t tb_transfer_pool_done(tb_transfer_pool_ref_t pool, tb_char_t const* iurl, tb_char_t const* ourl, tb_hize_t offset, tb_size_t rate, tb_async_transfer_done_func_t done, tb_async_transfer_ctrl_func_t ctrl, tb_cpointer_t priv) { // check tb_transfer_pool_impl_t* impl = (tb_transfer_pool_impl_t*)pool; tb_assert_and_check_return_val(impl && impl->aicp && iurl && ourl, tb_false); // enter tb_spinlock_enter(&impl->lock); // done tb_bool_t ok = tb_false; tb_transfer_task_t* task = tb_null; do { // check tb_check_break(TB_STATE_OK == tb_atomic_get(&impl->state)); // too many tasks? if (tb_list_entry_size(&impl->work) >= impl->maxn) { // trace tb_trace_e("too many tasks, done task: %s => %s failed!", iurl, ourl); break; } // init task task = tb_transfer_task_init(impl, done, ctrl, priv); tb_assert_and_check_break(task && task->transfer); // init transfer stream if (!tb_async_transfer_init_istream_from_url(task->transfer, iurl)) break; if (!tb_async_transfer_init_ostream_from_url(task->transfer, ourl)) break; // init transfer rate tb_async_transfer_limitrate(task->transfer, rate); // check tb_assert_and_check_break(impl->pool); // append to the work list tb_list_entry_insert_tail(&impl->work, &task->entry); // ok ok = tb_true; } while (0); // trace tb_trace_d("done: task: %p, %s => %s, work: %lu, idle: %lu, state: %s", task, iurl, ourl, tb_list_entry_size(&impl->work), tb_list_entry_size(&impl->idle), ok? "ok" : "no"); // failed? if (!ok) { // exit it if (task) tb_transfer_task_exit(impl, task); task = tb_null; } // leave tb_spinlock_leave(&impl->lock); // ok? done it if (ok && task && task->transfer) { // done if (!tb_async_transfer_open_done(task->transfer, 0, tb_transfer_task_done, task)) { // enter tb_spinlock_enter(&impl->lock); // remove task from the work list tb_list_entry_remove(&impl->work, &task->entry); // exit task tb_transfer_task_exit(impl, task); // leave tb_spinlock_leave(&impl->lock); // failed ok = tb_false; } } // ok? return ok; }
static tb_bool_t tb_demo_istream_open_func(tb_async_stream_ref_t stream, tb_size_t state, tb_cpointer_t priv) { // check tb_demo_context_t* context = (tb_demo_context_t*)priv; tb_assert_and_check_return_val(stream && context && context->option, tb_false); // done tb_bool_t ok = tb_false; do { // check if (state != TB_STATE_OK) { // print verbose info if (context->verbose) { tb_char_t const* url = tb_null; tb_async_stream_ctrl(stream, TB_STREAM_CTRL_GET_URL, &url); tb_printf("open: %s: %s\n", url, tb_state_cstr(state)); } break; } // trace if (context->verbose) tb_printf("open: ok\n"); // init ostream if (tb_option_find(context->option, "more0")) { // the path tb_char_t const* path = tb_option_item_cstr(context->option, "more0"); // init context->ostream = tb_async_stream_init_from_file(tb_async_stream_aicp((tb_async_stream_ref_t)stream), path, TB_FILE_MODE_RW | TB_FILE_MODE_CREAT | TB_FILE_MODE_BINARY | TB_FILE_MODE_TRUNC); // print verbose info if (context->verbose) tb_printf("save: %s: ..\n", path); } else { // the name tb_char_t const* name = tb_strrchr(tb_option_item_cstr(context->option, "url"), '/'); if (!name) name = tb_strrchr(tb_option_item_cstr(context->option, "url"), '\\'); if (!name) name = "/async_stream.file"; // the path tb_char_t path[TB_PATH_MAXN] = {0}; if (tb_directory_curt(path, TB_PATH_MAXN)) { // append name tb_strcat(path, name); // init file context->ostream = tb_async_stream_init_from_file(tb_async_stream_aicp((tb_async_stream_ref_t)stream), path, TB_FILE_MODE_RW | TB_FILE_MODE_CREAT | TB_FILE_MODE_BINARY | TB_FILE_MODE_TRUNC); // print verbose info if (context->verbose) tb_printf("save: %s: ..\n", path); } } tb_assert_and_check_break(context->ostream); // init transfer context->transfer = tb_async_transfer_init(tb_null, tb_true); tb_assert_and_check_break(context->transfer); // init transfer stream if (!tb_async_transfer_init_istream(context->transfer, stream)) break; if (!tb_async_transfer_init_ostream(context->transfer, context->ostream)) break; // the limit rate if (tb_option_find(context->option, "limitrate")) tb_async_transfer_limitrate(context->transfer, tb_option_item_uint32(context->option, "limitrate")); // open and done transfer if (!tb_async_transfer_open_done(context->transfer, 0, tb_demo_transfer_done_func, context)) break; // ok ok = tb_true; } while (0); // failed or closed? exit wait if (state != TB_STATE_OK && context->event) tb_event_post(context->event); // ok? return ok; }
/* ////////////////////////////////////////////////////////////////////////////////////// * main */ tb_int_t tb_demo_stream_async_transfer_main(tb_int_t argc, tb_char_t** argv) { // done tb_async_transfer_ref_t transfer = tb_null; do { // init transfer transfer = tb_async_transfer_init(tb_null, tb_true); tb_assert_and_check_break(transfer); // init transfer stream if (!tb_async_transfer_init_istream_from_url(transfer, argv[1])) break; if (!tb_async_transfer_init_ostream_from_url(transfer, argv[2])) break; // limit rate tb_async_transfer_limitrate(transfer, argv[3]? tb_atoi(argv[3]) : 0); // trace tb_trace_i("done: .."); // open and done transfer if (!tb_async_transfer_open_done(transfer, 0, tb_demo_transfer_done_func, tb_null)) break; // wait getchar(); // trace tb_trace_i("pause: .."); // pause transfer tb_async_transfer_pause(transfer); // wait getchar(); // trace tb_trace_i("resume: .."); // resume transfer if (!tb_async_transfer_resume(transfer)) break; // wait getchar(); // trace tb_trace_i("done: .."); // open and done transfer if (!tb_async_transfer_open_done(transfer, 0, tb_demo_transfer_done_func, tb_null)) break; // wait getchar(); } while (0); // trace tb_trace_i("exit: .."); // exit transfer if (transfer) tb_async_transfer_exit(transfer); transfer = tb_null; return 0; }