54ea253f56
The idea is that if dupterm object can handle exceptions, it will handle them itself. Otherwise, object state can be compromised and it's better to terminate dupterm session. For example, disconnected socket will keep throwing exceptions and dump messages about that.
73 lines
2.5 KiB
C
73 lines
2.5 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 <errno.h>
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#include <string.h>
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#include "py/mpconfig.h"
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#include "py/nlr.h"
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#include "py/runtime.h"
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#include "py/objtuple.h"
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#if MICROPY_PY_OS_DUPTERM
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void mp_uos_dupterm_tx_strn(const char *str, size_t len) {
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if (MP_STATE_PORT(term_obj) != MP_OBJ_NULL) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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mp_obj_t write_m[3];
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mp_load_method(MP_STATE_PORT(term_obj), MP_QSTR_write, write_m);
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write_m[2] = mp_obj_new_bytearray_by_ref(len, (char*)str);
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mp_call_method_n_kw(1, 0, write_m);
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nlr_pop();
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} else {
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MP_STATE_PORT(term_obj) = NULL;
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mp_printf(&mp_plat_print, "dupterm: Exception in write() method, deactivating: ");
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mp_obj_print_exception(&mp_plat_print, nlr.ret_val);
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}
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}
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}
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STATIC mp_obj_t mp_uos_dupterm(mp_uint_t n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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if (MP_STATE_PORT(term_obj) == MP_OBJ_NULL) {
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return mp_const_none;
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} else {
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return MP_STATE_PORT(term_obj);
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}
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} else {
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if (args[0] == mp_const_none) {
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MP_STATE_PORT(term_obj) = NULL;
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} else {
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MP_STATE_PORT(term_obj) = args[0];
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}
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return mp_const_none;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_uos_dupterm_obj, 0, 1, mp_uos_dupterm);
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#endif
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