diff options
Diffstat (limited to 'Utilities/cmlibuv/src/win/stream.c')
| -rw-r--r-- | Utilities/cmlibuv/src/win/stream.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/win/stream.c b/Utilities/cmlibuv/src/win/stream.c new file mode 100644 index 0000000..13cbfdc --- /dev/null +++ b/Utilities/cmlibuv/src/win/stream.c @@ -0,0 +1,248 @@ +/* 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) { + int err; + + err = ERROR_INVALID_PARAMETER; + switch (stream->type) { + case UV_TCP: + err = uv_tcp_listen((uv_tcp_t*)stream, backlog, cb); + break; + case UV_NAMED_PIPE: + err = uv_pipe_listen((uv_pipe_t*)stream, backlog, cb); + break; + default: + assert(0); + } + + return uv_translate_sys_error(err); +} + + +int uv_accept(uv_stream_t* server, uv_stream_t* client) { + int err; + + err = ERROR_INVALID_PARAMETER; + switch (server->type) { + case UV_TCP: + err = uv_tcp_accept((uv_tcp_t*)server, (uv_tcp_t*)client); + break; + case UV_NAMED_PIPE: + err = uv_pipe_accept((uv_pipe_t*)server, client); + break; + default: + assert(0); + } + + return uv_translate_sys_error(err); +} + + +int uv_read_start(uv_stream_t* handle, uv_alloc_cb alloc_cb, + uv_read_cb read_cb) { + int err; + + if (handle->flags & UV_HANDLE_READING) { + return UV_EALREADY; + } + + if (!(handle->flags & UV_HANDLE_READABLE)) { + return UV_ENOTCONN; + } + + err = ERROR_INVALID_PARAMETER; + switch (handle->type) { + case UV_TCP: + err = uv_tcp_read_start((uv_tcp_t*)handle, alloc_cb, read_cb); + break; + case UV_NAMED_PIPE: + err = uv_pipe_read_start((uv_pipe_t*)handle, alloc_cb, read_cb); + break; + case UV_TTY: + err = uv_tty_read_start((uv_tty_t*) handle, alloc_cb, read_cb); + break; + default: + assert(0); + } + + return uv_translate_sys_error(err); +} + + +int uv_read_stop(uv_stream_t* handle) { + int err; + + if (!(handle->flags & UV_HANDLE_READING)) + return 0; + + err = 0; + if (handle->type == UV_TTY) { + err = uv_tty_read_stop((uv_tty_t*) handle); + } else { + if (handle->type == UV_NAMED_PIPE) { + uv__pipe_stop_read((uv_pipe_t*) handle); + } else { + handle->flags &= ~UV_HANDLE_READING; + } + DECREASE_ACTIVE_COUNT(handle->loop, handle); + } + + return uv_translate_sys_error(err); +} + + +int uv_write(uv_write_t* req, + uv_stream_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + uv_write_cb cb) { + uv_loop_t* loop = handle->loop; + int err; + + if (!(handle->flags & UV_HANDLE_WRITABLE)) { + return UV_EPIPE; + } + + err = ERROR_INVALID_PARAMETER; + switch (handle->type) { + case UV_TCP: + err = uv_tcp_write(loop, req, (uv_tcp_t*) handle, bufs, nbufs, cb); + break; + case UV_NAMED_PIPE: + err = uv_pipe_write(loop, req, (uv_pipe_t*) handle, bufs, nbufs, cb); + break; + case UV_TTY: + err = uv_tty_write(loop, req, (uv_tty_t*) handle, bufs, nbufs, cb); + break; + default: + assert(0); + } + + return uv_translate_sys_error(err); +} + + +int uv_write2(uv_write_t* req, + uv_stream_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + uv_stream_t* send_handle, + uv_write_cb cb) { + uv_loop_t* loop = handle->loop; + int err; + + if (!(handle->flags & UV_HANDLE_WRITABLE)) { + return UV_EPIPE; + } + + err = ERROR_INVALID_PARAMETER; + switch (handle->type) { + case UV_NAMED_PIPE: + err = uv_pipe_write2(loop, + req, + (uv_pipe_t*) handle, + bufs, + nbufs, + send_handle, + cb); + break; + default: + assert(0); + } + + return uv_translate_sys_error(err); +} + + +int uv_try_write(uv_stream_t* stream, + const uv_buf_t bufs[], + unsigned int nbufs) { + if (stream->flags & UV__HANDLE_CLOSING) + return UV_EBADF; + if (!(stream->flags & UV_HANDLE_WRITABLE)) + return UV_EPIPE; + + switch (stream->type) { + case UV_TCP: + return uv__tcp_try_write((uv_tcp_t*) stream, bufs, nbufs); + case UV_TTY: + return uv__tty_try_write((uv_tty_t*) stream, bufs, nbufs); + case UV_NAMED_PIPE: + return UV_EAGAIN; + default: + assert(0); + return UV_ENOSYS; + } +} + + +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)) { + return UV_EPIPE; + } + + UV_REQ_INIT(req, UV_SHUTDOWN); + req->handle = handle; + req->cb = cb; + + handle->flags &= ~UV_HANDLE_WRITABLE; + handle->stream.conn.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); +} + + +int uv_stream_set_blocking(uv_stream_t* handle, int blocking) { + if (handle->type != UV_NAMED_PIPE) + return UV_EINVAL; + + if (blocking != 0) + handle->flags |= UV_HANDLE_BLOCKING_WRITES; + else + handle->flags &= ~UV_HANDLE_BLOCKING_WRITES; + + return 0; +} |