Damian Królik | 34a4a93 | 2020-07-20 20:07:50 +0200 | [diff] [blame] | 1 | #/* |
| 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 Litvin | 1873e8c | 2020-10-12 10:52:26 -0400 | [diff] [blame] | 24 | #pragma once |
Damian Królik | 34a4a93 | 2020-07-20 20:07:50 +0200 | [diff] [blame] | 25 | |
Kamil Kasperczyk | 4c7f38d | 2023-06-06 20:46:29 +0200 | [diff] [blame] | 26 | #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 Królik | 34a4a93 | 2020-07-20 20:07:50 +0200 | [diff] [blame] | 33 | |
Damian Królik | 34a4a93 | 2020-07-20 20:07:50 +0200 | [diff] [blame] | 34 | static 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 | } |