465 lines
17 KiB
C
465 lines
17 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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* SPDX-FileCopyrightText: Copyright (c) 2014 Damien P. George
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* 2018 Nick Moore 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 <stdio.h>
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#include <string.h>
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#include "lib/utils/context_manager_helpers.h"
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#include "py/objtuple.h"
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#include "py/objlist.h"
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#include "py/runtime.h"
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#include "py/mperrno.h"
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//| class Socket:
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//| """TCP, UDP and RAW socket. Cannot be created directly. Instead, call
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//| `SocketPool.socket()`.
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//|
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//| Provides a subset of CPython's `socket.socket` API. It only implements the versions of
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//| recv that do not allocate bytes objects."""
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//|
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//| def __enter__(self) -> Socket:
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//| """No-op used by Context Managers."""
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//| ...
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//|
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// Provided by context manager helper.
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//| def __exit__(self) -> None:
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//| """Automatically closes the Socket when exiting a context. See
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//| :ref:`lifetime-and-contextmanagers` for more info."""
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//| ...
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//|
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STATIC mp_obj_t socketpool_socket___exit__(size_t n_args, const mp_obj_t *args) {
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(void)n_args;
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common_hal_socketpool_socket_close(args[0]);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socketpool_socket___exit___obj, 4, 4, socketpool_socket___exit__);
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// //| def bind(self, address: tuple) -> None:
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// //| """Bind a socket to an address
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// //|
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// //| :param ~tuple address: tuple of (remote_address, remote_port)"""
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// //| ...
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// //|
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// STATIC mp_obj_t socketpool_socket_bind(mp_obj_t self_in, mp_obj_t addr_in) {
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// // mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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// // // get address
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// // uint8_t ip[MOD_NETWORK_IPADDR_BUF_SIZE];
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// // mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_BIG);
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// // // check if we need to select a NIC
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// // socket_select_nic(self, ip);
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// // // call the NIC to bind the socket
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// // int _errno;
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// // if (self->nic_type->bind(self, ip, port, &_errno) != 0) {
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// // mp_raise_OSError(_errno);
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// // }
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// return mp_const_none;
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// }
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// STATIC MP_DEFINE_CONST_FUN_OBJ_2(socketpool_socket_bind_obj, socketpool_socket_bind);
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// //| def listen(self, backlog: int) -> None:
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// //| """Set socket to listen for incoming connections
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// //|
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// //| :param ~int backlog: length of backlog queue for waiting connetions"""
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// //| ...
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// //|
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// STATIC mp_obj_t socketpool_socket_listen(mp_obj_t self_in, mp_obj_t backlog) {
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// // mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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// // if (self->nic == MP_OBJ_NULL) {
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// // // not connected
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// // // TODO I think we can listen even if not bound...
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// // mp_raise_OSError(MP_ENOTCONN);
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// // }
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// // int _errno;
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// // if (self->nic_type->listen(self, mp_obj_get_int(backlog), &_errno) != 0) {
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// // mp_raise_OSError(_errno);
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// // }
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// return mp_const_none;
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// }
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// STATIC MP_DEFINE_CONST_FUN_OBJ_2(socketpool_socket_listen_obj, socketpool_socket_listen);
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// //| def accept(self) -> tuple:
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// //| """Accept a connection on a listening socket of type SOCK_STREAM,
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// //| creating a new socket of type SOCK_STREAM.
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// //| Returns a tuple of (new_socket, remote_address)"""
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// //|
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// STATIC mp_obj_t socketpool_socket_accept(mp_obj_t self_in) {
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// // mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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// // // create new socket object
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// // // starts with empty NIC so that finaliser doesn't run close() method if accept() fails
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// // mod_network_socket_obj_t *socket2 = m_new_obj_with_finaliser(mod_network_socket_obj_t);
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// // socket2->base.type = &socket_type;
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// // socket2->nic = MP_OBJ_NULL;
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// // socket2->nic_type = NULL;
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// // // accept incoming connection
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// // uint8_t ip[MOD_NETWORK_IPADDR_BUF_SIZE];
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// // mp_uint_t port;
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// // int _errno;
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// // if (self->nic_type->accept(self, socket2, ip, &port, &_errno) != 0) {
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// // mp_raise_OSError(_errno);
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// // }
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// // // new socket has valid state, so set the NIC to the same as parent
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// // socket2->nic = self->nic;
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// // socket2->nic_type = self->nic_type;
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// // // make the return value
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// // mp_obj_tuple_t *client = MP_OBJ_TO_PTR(mp_obj_new_tuple(2, NULL));
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// // client->items[0] = MP_OBJ_FROM_PTR(socket2);
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// // client->items[1] = netutils_format_inet_addr(ip, port, NETUTILS_BIG);
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// return mp_const_none;
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// }
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// STATIC MP_DEFINE_CONST_FUN_OBJ_1(socketpool_socket_accept_obj, socketpool_socket_accept);
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//| def close(self) -> None:
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//| """Closes this Socket and makes its resources available to its SocketPool."""
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//|
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STATIC mp_obj_t socketpool_socket_close(mp_obj_t self_in) {
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socketpool_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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common_hal_socketpool_socket_close(self);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(socketpool_socket_close_obj, socketpool_socket_close);
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//| def connect(self, address: tuple) -> None:
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//| """Connect a socket to a remote address
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//|
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//| :param ~tuple address: tuple of (remote_address, remote_port)"""
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//| ...
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//|
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STATIC mp_obj_t socketpool_socket_connect(mp_obj_t self_in, mp_obj_t addr_in) {
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socketpool_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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mp_obj_t *addr_items;
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mp_obj_get_array_fixed_n(addr_in, 2, &addr_items);
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size_t hostlen;
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const char* host = mp_obj_str_get_data(addr_items[0], &hostlen);
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mp_int_t port = mp_obj_get_int(addr_items[1]);
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bool ok = common_hal_socketpool_socket_connect(self, host, hostlen, port);
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if (!ok) {
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mp_raise_OSError(0);
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(socketpool_socket_connect_obj, socketpool_socket_connect);
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//| def send(self, bytes: ReadableBuffer) -> int:
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//| """Send some bytes to the connected remote address.
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//| Suits sockets of type SOCK_STREAM
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//|
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//| :param ~bytes bytes: some bytes to send"""
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//| ...
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//|
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STATIC mp_obj_t socketpool_socket_send(mp_obj_t self_in, mp_obj_t buf_in) {
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socketpool_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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if (common_hal_socketpool_socket_get_closed(self)) {
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// Bad file number.
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mp_raise_OSError(MP_EBADF);
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}
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if (!common_hal_socketpool_socket_get_connected(self)) {
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mp_raise_BrokenPipeError();
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}
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(buf_in, &bufinfo, MP_BUFFER_READ);
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mp_int_t ret = common_hal_socketpool_socket_send(self, bufinfo.buf, bufinfo.len);
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if (ret == -1) {
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mp_raise_BrokenPipeError();
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}
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return mp_obj_new_int_from_uint(ret);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(socketpool_socket_send_obj, socketpool_socket_send);
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// helper function for socket_recv and socket_recv_into to handle common operations of both
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// STATIC mp_int_t _socket_recv_into(mod_network_socket_obj_t *sock, byte *buf, mp_int_t len) {
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// mp_int_t ret = 0;
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// // int _errno;
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// // mp_int_t ret = sock->nic_type->recv(sock, buf, len, &_errno);
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// // if (ret == -1) {
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// // mp_raise_OSError(_errno);
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// // }
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// return ret;
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// }
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//| def recv_into(self, buffer: WriteableBuffer, bufsize: int) -> int:
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//| """Reads some bytes from the connected remote address, writing
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//| into the provided buffer. If bufsize <= len(buffer) is given,
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//| a maximum of bufsize bytes will be read into the buffer. If no
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//| valid value is given for bufsize, the default is the length of
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//| the given buffer.
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//|
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//| Suits sockets of type SOCK_STREAM
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//| Returns an int of number of bytes read.
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//|
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//| :param bytearray buffer: buffer to receive into
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//| :param int bufsize: optionally, a maximum number of bytes to read."""
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//| ...
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//|
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STATIC mp_obj_t socketpool_socket_recv_into(size_t n_args, const mp_obj_t *args) {
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socketpool_socket_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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if (common_hal_socketpool_socket_get_closed(self)) {
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// Bad file number.
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mp_raise_OSError(MP_EBADF);
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}
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if (!common_hal_socketpool_socket_get_connected(self)) {
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// not connected
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mp_raise_OSError(MP_ENOTCONN);
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}
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(args[1], &bufinfo, MP_BUFFER_WRITE);
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mp_int_t len = bufinfo.len;
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if (n_args == 3) {
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mp_int_t given_len = mp_obj_get_int(args[2]);
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if (given_len > 0 && given_len < len) {
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len = given_len;
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}
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}
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if (len == 0) {
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return MP_OBJ_NEW_SMALL_INT(0);
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}
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mp_int_t ret = common_hal_socketpool_socket_recv_into(self, (byte*)bufinfo.buf, len);
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return mp_obj_new_int_from_uint(ret);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socketpool_socket_recv_into_obj, 2, 3, socketpool_socket_recv_into);
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// //| def sendto(self, bytes: ReadableBuffer, address: tuple) -> int:
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// //| """Send some bytes to a specific address.
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// //| Suits sockets of type SOCK_DGRAM
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// //|
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// //| :param ~bytes bytes: some bytes to send
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// //| :param ~tuple address: tuple of (remote_address, remote_port)"""
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// //| ...
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// //|
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// STATIC mp_obj_t socketpool_socket_sendto(mp_obj_t self_in, mp_obj_t data_in, mp_obj_t addr_in) {
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// // mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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// // // get the data
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// // mp_buffer_info_t bufinfo;
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// // mp_get_buffer_raise(data_in, &bufinfo, MP_BUFFER_READ);
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// // // get address
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// // uint8_t ip[MOD_NETWORK_IPADDR_BUF_SIZE];
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// // mp_uint_t port = netutils_parse_inet_addr(addr_in, ip, NETUTILS_BIG);
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// // // check if we need to select a NIC
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// // socket_select_nic(self, ip);
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// // // call the NIC to sendto
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// // int _errno;
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// // mp_int_t ret = self->nic_type->sendto(self, bufinfo.buf, bufinfo.len, ip, port, &_errno);
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// // if (ret == -1) {
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// // mp_raise_OSError(_errno);
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// // }
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// mp_int_t ret = 0;
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// return mp_obj_new_int(ret);
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// }
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// STATIC MP_DEFINE_CONST_FUN_OBJ_3(socketpool_socket_sendto_obj, socketpool_socket_sendto);
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// //| def recvfrom(self, bufsize: int) -> Tuple[bytes, tuple]:
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// //| """Reads some bytes from the connected remote address.
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// //| Suits sockets of type SOCK_STREAM
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// //|
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// //| Returns a tuple containing
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// //| * a bytes() of length <= bufsize
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// //| * a remote_address, which is a tuple of ip address and port number
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// //|
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// //| :param ~int bufsize: maximum number of bytes to receive"""
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// //| ...
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// //|
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// STATIC mp_obj_t socketpool_socket_recvfrom_into(mp_obj_t self_in, mp_obj_t len_in) {
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// // mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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// // if (self->nic == MP_OBJ_NULL) {
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// // // not connected
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// // mp_raise_OSError(MP_ENOTCONN);
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// // }
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// // vstr_t vstr;
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// // vstr_init_len(&vstr, mp_obj_get_int(len_in));
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// // byte ip[4];
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// // mp_uint_t port;
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// // int _errno;
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// // mp_int_t ret = self->nic_type->recvfrom(self, (byte*)vstr.buf, vstr.len, ip, &port, &_errno);
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// // if (ret == -1) {
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// // mp_raise_OSError(_errno);
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// // }
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// mp_obj_t tuple[2];
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// // if (ret == 0) {
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// // tuple[0] = mp_const_empty_bytes;
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// // } else {
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// // vstr.len = ret;
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// // tuple[0] = mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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// // }
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// // tuple[1] = netutils_format_inet_addr(ip, port, NETUTILS_BIG);
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// return mp_obj_new_tuple(2, tuple);
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// }
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// STATIC MP_DEFINE_CONST_FUN_OBJ_2(socketpool_socket_recvfrom_into_obj, socketpool_socket_recvfrom_into);
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// //| def setsockopt(self, level: int, optname: int, value: int) -> None:
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// //| """Sets socket options"""
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// //| ...
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// //|
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// STATIC mp_obj_t socketpool_socket_setsockopt(size_t n_args, const mp_obj_t *args) {
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// // mod_network_socket_obj_t *self = MP_OBJ_TO_PTR(args[0]);
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// // mp_int_t level = mp_obj_get_int(args[1]);
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// // mp_int_t opt = mp_obj_get_int(args[2]);
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// // const void *optval;
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// // mp_uint_t optlen;
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// // mp_int_t val;
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// // if (mp_obj_is_integer(args[3])) {
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// // val = mp_obj_get_int_truncated(args[3]);
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// // optval = &val;
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// // optlen = sizeof(val);
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// // } else {
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// // mp_buffer_info_t bufinfo;
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// // mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
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// // optval = bufinfo.buf;
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// // optlen = bufinfo.len;
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// // }
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// // int _errno;
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// // if (self->nic_type->setsockopt(self, level, opt, optval, optlen, &_errno) != 0) {
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// // mp_raise_OSError(_errno);
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// // }
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// return mp_const_none;
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// }
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// STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(socketpool_socket_setsockopt_obj, 4, 4, socketpool_socket_setsockopt);
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//| def settimeout(self, value: int) -> None:
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//| """Set the timeout value for this socket.
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//|
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//| :param ~int value: timeout in seconds. 0 means non-blocking. None means block indefinitely."""
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//| ...
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//|
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STATIC mp_obj_t socketpool_socket_settimeout(mp_obj_t self_in, mp_obj_t timeout_in) {
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socketpool_socket_obj_t *self = MP_OBJ_TO_PTR(self_in);
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mp_uint_t timeout_ms;
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if (timeout_in == mp_const_none) {
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timeout_ms = -1;
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} else {
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#if MICROPY_PY_BUILTINS_FLOAT
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timeout_ms = 1000 * mp_obj_get_float(timeout_in);
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#else
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timeout_ms = 1000 * mp_obj_get_int(timeout_in);
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#endif
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}
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common_hal_socketpool_socket_settimeout(self, timeout_ms);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(socketpool_socket_settimeout_obj, socketpool_socket_settimeout);
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// //| def setblocking(self, flag: bool) -> Optional[int]:
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// //| """Set the blocking behaviour of this socket.
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// //|
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// //| :param ~bool flag: False means non-blocking, True means block indefinitely."""
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// //| ...
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// //|
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// // method socket.setblocking(flag)
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// STATIC mp_obj_t socketpool_socket_setblocking(mp_obj_t self_in, mp_obj_t blocking) {
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// // if (mp_obj_is_true(blocking)) {
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// // return socket_settimeout(self_in, mp_const_none);
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// // } else {
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// // return socket_settimeout(self_in, MP_OBJ_NEW_SMALL_INT(0));
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// // }
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// return mp_const_none;
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// }
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// STATIC MP_DEFINE_CONST_FUN_OBJ_2(socketpool_socket_setblocking_obj, socketpool_socket_setblocking);
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//| def __hash__(self) -> int:
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//| """Returns a hash for the Socket."""
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//| ...
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//|
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STATIC mp_obj_t socketpool_socket_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
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switch (op) {
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case MP_UNARY_OP_HASH: {
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return MP_OBJ_NEW_SMALL_INT(common_hal_socketpool_socket_get_hash(MP_OBJ_TO_PTR(self_in)));
|
|
}
|
|
default:
|
|
return MP_OBJ_NULL; // op not supported
|
|
}
|
|
}
|
|
|
|
STATIC const mp_rom_map_elem_t socketpool_socket_locals_dict_table[] = {
|
|
{ MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&socketpool_socket___exit___obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&socketpool_socket_close_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_close), MP_ROM_PTR(&socketpool_socket_close_obj) },
|
|
|
|
// { MP_ROM_QSTR(MP_QSTR_bind), MP_ROM_PTR(&socketpool_socket_bind_obj) },
|
|
// { MP_ROM_QSTR(MP_QSTR_listen), MP_ROM_PTR(&socketpool_socket_listen_obj) },
|
|
// { MP_ROM_QSTR(MP_QSTR_accept), MP_ROM_PTR(&socketpool_socket_accept_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_connect), MP_ROM_PTR(&socketpool_socket_connect_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_send), MP_ROM_PTR(&socketpool_socket_send_obj) },
|
|
// { MP_ROM_QSTR(MP_QSTR_sendto), MP_ROM_PTR(&socketpool_socket_sendto_obj) },
|
|
// { MP_ROM_QSTR(MP_QSTR_recvfrom_into), MP_ROM_PTR(&socketpool_socket_recvfrom_into_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_recv_into), MP_ROM_PTR(&socketpool_socket_recv_into_obj) },
|
|
// { MP_ROM_QSTR(MP_QSTR_setsockopt), MP_ROM_PTR(&socketpool_socket_setsockopt_obj) },
|
|
{ MP_ROM_QSTR(MP_QSTR_settimeout), MP_ROM_PTR(&socketpool_socket_settimeout_obj) },
|
|
// { MP_ROM_QSTR(MP_QSTR_setblocking), MP_ROM_PTR(&socketpool_socket_setblocking_obj) },
|
|
};
|
|
|
|
STATIC MP_DEFINE_CONST_DICT(socketpool_socket_locals_dict, socketpool_socket_locals_dict_table);
|
|
|
|
const mp_obj_type_t socketpool_socket_type = {
|
|
{ &mp_type_type },
|
|
.name = MP_QSTR_Socket,
|
|
.locals_dict = (mp_obj_dict_t*)&socketpool_socket_locals_dict,
|
|
.unary_op = socketpool_socket_unary_op,
|
|
};
|