117 lines
3.9 KiB
C
117 lines
3.9 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/SocketPool.h"
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#include "py/runtime.h"
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#include "shared-bindings/wifi/__init__.h"
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#include "components/lwip/lwip/src/include/lwip/netdb.h"
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#include "bindings/espidf/__init__.h"
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void common_hal_socketpool_socketpool_construct(socketpool_socketpool_obj_t* self, mp_obj_t radio) {
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if (radio != MP_OBJ_FROM_PTR(&common_hal_wifi_radio_obj)) {
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mp_raise_ValueError(translate("SocketPool can only be used with wifi.radio"));
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}
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}
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socketpool_socket_obj_t* common_hal_socketpool_socket(socketpool_socketpool_obj_t* self,
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socketpool_socketpool_addressfamily_t family, socketpool_socketpool_sock_t type) {
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int addr_family;
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int ipproto;
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if (family == SOCKETPOOL_AF_INET) {
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addr_family = AF_INET;
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ipproto = IPPROTO_IP;
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} else { // INET6
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addr_family = AF_INET6;
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ipproto = IPPROTO_IPV6;
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}
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int socket_type;
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if (type == SOCKETPOOL_SOCK_STREAM) {
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socket_type = SOCK_STREAM;
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} else if (type == SOCKETPOOL_SOCK_DGRAM) {
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socket_type = SOCK_DGRAM;
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} else { // SOCKETPOOL_SOCK_RAW
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socket_type = SOCK_RAW;
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}
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if (addr_family == AF_INET6 || ipproto == IPPROTO_IPV6) {
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mp_raise_NotImplementedError(translate("Only IPv4 sockets supported"));
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}
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int socknum = -1;
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esp_tls_t* tcp_handle = NULL;
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if (socket_type == SOCK_DGRAM || socket_type == SOCK_RAW) {
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socknum = lwip_socket(addr_family, socket_type, ipproto);
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} else {
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tcp_handle = esp_tls_init();
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if (tcp_handle == NULL) {
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mp_raise_espidf_MemoryError();
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}
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}
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if (socknum < 0 && tcp_handle == NULL) {
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mp_raise_RuntimeError(translate("Out of sockets"));
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}
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socketpool_socket_obj_t *sock = m_new_obj_with_finaliser(socketpool_socket_obj_t);
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sock->base.type = &socketpool_socket_type;
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sock->num = socknum;
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sock->tcp = tcp_handle;
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sock->ssl_context = NULL;
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sock->pool = self;
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return sock;
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}
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mp_obj_t common_hal_socketpool_socketpool_gethostbyname(socketpool_socketpool_obj_t* self,
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const char* host) {
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const struct addrinfo hints = {
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.ai_family = AF_INET,
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.ai_socktype = SOCK_STREAM,
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};
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struct addrinfo *res;
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int err = getaddrinfo(host, NULL, &hints, &res);
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if (err != 0 || res == NULL) {
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return mp_const_none;
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}
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wcast-align"
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struct in_addr *addr = &((struct sockaddr_in *)res->ai_addr)->sin_addr;
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#pragma GCC diagnostic pop
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char ip_str[IP4ADDR_STRLEN_MAX];
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inet_ntoa_r(*addr, ip_str, IP4ADDR_STRLEN_MAX);
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mp_obj_t ip_obj = mp_obj_new_str(ip_str, strlen(ip_str));
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freeaddrinfo(res);
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return ip_obj;
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}
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