100 lines
3.6 KiB
C
100 lines
3.6 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) 2020 Scott Shawcroft for Adafruit Industries
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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 "shared-bindings/socketpool/Socket.h"
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#include "py/mperrno.h"
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#include "py/runtime.h"
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void common_hal_socketpool_socket_settimeout(socketpool_socket_obj_t* self, mp_uint_t timeout_ms) {
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self->timeout_ms = timeout_ms;
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}
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bool common_hal_socketpool_socket_connect(socketpool_socket_obj_t* self, const char* host, mp_uint_t hostlen, mp_int_t port) {
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// For simplicity we use esp_tls for all TCP connections. If it's not SSL, ssl_context will be
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// NULL and should still work. This makes regular TCP connections more memory expensive but TLS
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// should become more and more common. Therefore, we optimize for the TLS case.
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esp_tls_cfg_t* tls_config = NULL;
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if (self->ssl_context != NULL) {
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tls_config = &self->ssl_context->ssl_config;
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}
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int result = esp_tls_conn_new_sync(host, hostlen, port, tls_config, self->tcp);
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self->connected = result >= 0;
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if (result < 0) {
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int esp_tls_code;
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esp_tls_get_and_clear_last_error(self->tcp->error_handle, &esp_tls_code, NULL);
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// mp_raise_espidf_MemoryError
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mp_raise_OSError_msg_varg(translate("Unhandled ESP TLS error %d"), esp_tls_code);
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}
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return self->connected;
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}
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bool common_hal_socketpool_socket_get_connected(socketpool_socket_obj_t* self) {
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return self->connected;
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}
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mp_uint_t common_hal_socketpool_socket_send(socketpool_socket_obj_t* self, const uint8_t* buf, mp_uint_t len) {
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size_t sent = esp_tls_conn_write(self->tcp, buf, len);
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if (sent < 0) {
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mp_raise_OSError(MP_ENOTCONN);
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}
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return sent;
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}
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mp_uint_t common_hal_socketpool_socket_recv_into(socketpool_socket_obj_t* self, const uint8_t* buf, mp_uint_t len) {
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size_t received = esp_tls_conn_read(self->tcp, (void*) buf, len);
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if (received == 0) {
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// socket closed
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common_hal_socketpool_socket_close(self);
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}
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if (received < 0) {
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mp_raise_BrokenPipeError();
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}
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return received;
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}
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void common_hal_socketpool_socket_close(socketpool_socket_obj_t* self) {
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if (self->connected) {
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self->connected = false;
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}
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if (self->tcp != NULL) {
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int status = esp_tls_conn_destroy(self->tcp);
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if (status < 0) {
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// raise an error
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}
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self->tcp = NULL;
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}
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}
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bool common_hal_socketpool_socket_get_closed(socketpool_socket_obj_t* self) {
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return self->tcp == NULL;
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}
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