blob: 93e4c055d8059e70f8991c615ee2d5b81784c3d7 [file] [log] [blame]
Damian Królik34a4a932020-07-20 20:07:50 +02001#/*
2 *
3 * Copyright (c) 2020 Project CHIP Authors
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/**
19 * @file
20 * This header file defines BSD socket API functions which for various
21 * reasons have not (yet) been implemented or exposed in Zephyr.
22 */
23
Andrei Litvin1873e8c2020-10-12 10:52:26 -040024#pragma once
Damian Królik34a4a932020-07-20 20:07:50 +020025
Kamil Kasperczyk4c7f38d2023-06-06 20:46:29 +020026#if CHIP_SYSTEM_CONFIG_USE_POSIX_SOCKETS
27#include <sys/select.h>
28#endif
29
30#if CHIP_SYSTEM_CONFIG_USE_ZEPHYR_SOCKETS
31#include <zephyr/net/socket.h>
32#endif
Damian Królik34a4a932020-07-20 20:07:50 +020033
Damian Królik34a4a932020-07-20 20:07:50 +020034static inline ssize_t recvmsg(int sock, struct msghdr * msg, int flags)
35{
36 // Zephyr doesn't implement recvmsg at all, but if the message vector size is > 0 we can simply
37 // translate recvmsg to recvfrom which fills only the first of the provided buffers (although
38 // we don't get control messages in such a case).
39
40 if (msg->msg_iovlen < 1)
41 {
42 errno = EMSGSIZE;
43 return -1;
44 }
45
46 ssize_t ret = recvfrom(sock, msg->msg_iov[0].iov_base, msg->msg_iov[0].iov_len, flags, static_cast<sockaddr *>(msg->msg_name),
47 &msg->msg_namelen);
48
49 if (ret >= 0)
50 msg->msg_controllen = 0;
51
52 return ret;
53}