103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Paul Sokolovsky
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include "py/nlr.h"
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#include "py/obj.h"
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#include "py/stream.h"
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#if MICROPY_PY_WEBSOCKET
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enum { FRAME_HEADER, FRAME_OPT, PAYLOAD };
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typedef struct _mp_obj_websocket_t {
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mp_obj_base_t base;
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mp_obj_t sock;
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uint32_t mask;
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byte state;
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byte to_recv;
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byte mask_pos;
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byte buf[4];
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} mp_obj_websocket_t;
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STATIC mp_obj_t websocket_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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assert(n_args == 1);
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mp_obj_websocket_t *o = m_new_obj(mp_obj_websocket_t);
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o->base.type = type;
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o->sock = args[0];
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o->state = FRAME_HEADER;
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o->to_recv = 2;
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o->mask_pos = 0;
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return o;
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}
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STATIC mp_uint_t websocket_write(mp_obj_t self_in, const void *buf, mp_uint_t size, int *errcode) {
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mp_obj_websocket_t *self = self_in;
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assert(size < 126);
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byte header[] = {0x81, size};
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mp_uint_t out_sz = mp_stream_writeall(self->sock, header, sizeof(header), errcode);
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if (out_sz == MP_STREAM_ERROR) {
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return MP_STREAM_ERROR;
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}
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return mp_stream_writeall(self->sock, buf, size, errcode);
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}
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STATIC const mp_map_elem_t websocket_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&mp_stream_write_obj },
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};
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STATIC MP_DEFINE_CONST_DICT(websocket_locals_dict, websocket_locals_dict_table);
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STATIC const mp_stream_p_t websocket_stream_p = {
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// .read = websocket_read,
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.write = websocket_write,
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};
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STATIC const mp_obj_type_t websocket_type = {
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{ &mp_type_type },
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.name = MP_QSTR_websocket,
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.make_new = websocket_make_new,
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.stream_p = &websocket_stream_p,
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.locals_dict = (mp_obj_t)&websocket_locals_dict,
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};
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STATIC const mp_map_elem_t websocket_module_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_websocket) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_websocket), (mp_obj_t)&websocket_type },
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};
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STATIC MP_DEFINE_CONST_DICT(websocket_module_globals, websocket_module_globals_table);
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const mp_obj_module_t mp_module_websocket = {
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.base = { &mp_type_module },
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.name = MP_QSTR_websocket,
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.globals = (mp_obj_dict_t*)&websocket_module_globals,
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};
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#endif // MICROPY_PY_WEBSOCKET
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