/src/win/stream.c
http://github.com/joyent/libuv · C · 198 lines · 141 code · 37 blank · 20 comment · 18 complexity · b7869a509c9b864d2cc9a2d6efc40bb3 MD5 · raw file
- /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
- #include <assert.h>
- #include "uv.h"
- #include "internal.h"
- #include "handle-inl.h"
- #include "req-inl.h"
- int uv_listen(uv_stream_t* stream, int backlog, uv_connection_cb cb) {
- switch (stream->type) {
- case UV_TCP:
- return uv_tcp_listen((uv_tcp_t*)stream, backlog, cb);
- case UV_NAMED_PIPE:
- return uv_pipe_listen((uv_pipe_t*)stream, backlog, cb);
- default:
- assert(0);
- return -1;
- }
- }
- int uv_accept(uv_stream_t* server, uv_stream_t* client) {
- switch (server->type) {
- case UV_TCP:
- return uv_tcp_accept((uv_tcp_t*)server, (uv_tcp_t*)client);
- case UV_NAMED_PIPE:
- return uv_pipe_accept((uv_pipe_t*)server, client);
- default:
- assert(0);
- return -1;
- }
- }
- int uv_read_start(uv_stream_t* handle, uv_alloc_cb alloc_cb,
- uv_read_cb read_cb) {
- if (handle->flags & UV_HANDLE_READING) {
- uv__set_sys_error(handle->loop, UV_EALREADY);
- return -1;
- }
- if (!(handle->flags & UV_HANDLE_READABLE)) {
- uv__set_artificial_error(handle->loop, UV_ENOTCONN);
- return -1;
- }
- switch (handle->type) {
- case UV_TCP:
- return uv_tcp_read_start((uv_tcp_t*)handle, alloc_cb, read_cb);
- case UV_NAMED_PIPE:
- return uv_pipe_read_start((uv_pipe_t*)handle, alloc_cb, read_cb);
- case UV_TTY:
- return uv_tty_read_start((uv_tty_t*) handle, alloc_cb, read_cb);
- default:
- assert(0);
- return -1;
- }
- }
- int uv_read2_start(uv_stream_t* handle, uv_alloc_cb alloc_cb,
- uv_read2_cb read_cb) {
- if (handle->flags & UV_HANDLE_READING) {
- uv__set_sys_error(handle->loop, UV_EALREADY);
- return -1;
- }
- if (!(handle->flags & UV_HANDLE_READABLE)) {
- uv__set_artificial_error(handle->loop, UV_ENOTCONN);
- return -1;
- }
- switch (handle->type) {
- case UV_NAMED_PIPE:
- return uv_pipe_read2_start((uv_pipe_t*)handle, alloc_cb, read_cb);
- default:
- assert(0);
- return -1;
- }
- }
- int uv_read_stop(uv_stream_t* handle) {
- if (!(handle->flags & UV_HANDLE_READING))
- return 0;
- if (handle->type == UV_TTY) {
- return uv_tty_read_stop((uv_tty_t*) handle);
- } else {
- handle->flags &= ~UV_HANDLE_READING;
- DECREASE_ACTIVE_COUNT(handle->loop, handle);
- return 0;
- }
- }
- int uv_write(uv_write_t* req, uv_stream_t* handle, uv_buf_t bufs[], int bufcnt,
- uv_write_cb cb) {
- uv_loop_t* loop = handle->loop;
- if (!(handle->flags & UV_HANDLE_WRITABLE)) {
- uv__set_artificial_error(loop, UV_EPIPE);
- return -1;
- }
- switch (handle->type) {
- case UV_TCP:
- return uv_tcp_write(loop, req, (uv_tcp_t*) handle, bufs, bufcnt, cb);
- case UV_NAMED_PIPE:
- return uv_pipe_write(loop, req, (uv_pipe_t*) handle, bufs, bufcnt, cb);
- case UV_TTY:
- return uv_tty_write(loop, req, (uv_tty_t*) handle, bufs, bufcnt, cb);
- default:
- assert(0);
- uv__set_sys_error(loop, WSAEINVAL);
- return -1;
- }
- }
- int uv_write2(uv_write_t* req, uv_stream_t* handle, uv_buf_t bufs[], int bufcnt,
- uv_stream_t* send_handle, uv_write_cb cb) {
- uv_loop_t* loop = handle->loop;
- if (!(handle->flags & UV_HANDLE_WRITABLE)) {
- uv__set_artificial_error(loop, UV_EPIPE);
- return -1;
- }
- switch (handle->type) {
- case UV_NAMED_PIPE:
- return uv_pipe_write2(loop, req, (uv_pipe_t*) handle, bufs, bufcnt, send_handle, cb);
- default:
- assert(0);
- uv__set_sys_error(loop, WSAEINVAL);
- return -1;
- }
- }
- int uv_shutdown(uv_shutdown_t* req, uv_stream_t* handle, uv_shutdown_cb cb) {
- uv_loop_t* loop = handle->loop;
- if (!(handle->flags & UV_HANDLE_WRITABLE)) {
- uv__set_artificial_error(loop, UV_EPIPE);
- return -1;
- }
- if (!(handle->flags & UV_HANDLE_WRITABLE)) {
- uv__set_artificial_error(loop, UV_EPIPE);
- return -1;
- }
- uv_req_init(loop, (uv_req_t*) req);
- req->type = UV_SHUTDOWN;
- req->handle = handle;
- req->cb = cb;
- handle->flags &= ~UV_HANDLE_WRITABLE;
- handle->shutdown_req = req;
- handle->reqs_pending++;
- REGISTER_HANDLE_REQ(loop, handle, req);
- uv_want_endgame(loop, (uv_handle_t*)handle);
- return 0;
- }
- int uv_is_readable(const uv_stream_t* handle) {
- return !!(handle->flags & UV_HANDLE_READABLE);
- }
- int uv_is_writable(const uv_stream_t* handle) {
- return !!(handle->flags & UV_HANDLE_WRITABLE);
- }