234 lines
6.5 KiB
C
234 lines
6.5 KiB
C
/****************************************************************************
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* include/nuttx/net/usrsock.h
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*
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* Copyright (C) 2015, 2017 Haltian Ltd. All rights reserved.
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* Author: Jussi Kivilinna <jussi.kivilinna@haltian.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_NET_USRSOCK_H
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#define __INCLUDE_NUTTX_NET_USRSOCK_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/net/netconfig.h>
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Event message flags */
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#define USRSOCK_EVENT_ABORT (1 << 1)
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#define USRSOCK_EVENT_SENDTO_READY (1 << 2)
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#define USRSOCK_EVENT_RECVFROM_AVAIL (1 << 3)
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#define USRSOCK_EVENT_REMOTE_CLOSED (1 << 4)
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/* Response message flags */
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#define USRSOCK_MESSAGE_FLAG_REQ_IN_PROGRESS (1 << 0)
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#define USRSOCK_MESSAGE_FLAG_EVENT (1 << 1)
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#define USRSOCK_MESSAGE_IS_EVENT(flags) \
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(!!((flags) & USRSOCK_MESSAGE_FLAG_EVENT))
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#define USRSOCK_MESSAGE_IS_REQ_RESPONSE(flags) \
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(!USRSOCK_MESSAGE_IS_EVENT(flags))
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#define USRSOCK_MESSAGE_REQ_IN_PROGRESS(flags) \
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(!!((flags) & USRSOCK_MESSAGE_FLAG_REQ_IN_PROGRESS))
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#define USRSOCK_MESSAGE_REQ_COMPLETED(flags) \
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(!USRSOCK_MESSAGE_REQ_IN_PROGRESS(flags))
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Request types */
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enum usrsock_request_types_e
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{
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USRSOCK_REQUEST_SOCKET = 0,
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USRSOCK_REQUEST_CLOSE,
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USRSOCK_REQUEST_CONNECT,
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USRSOCK_REQUEST_SENDTO,
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USRSOCK_REQUEST_RECVFROM,
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USRSOCK_REQUEST_SETSOCKOPT,
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USRSOCK_REQUEST_GETSOCKOPT,
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USRSOCK_REQUEST_GETSOCKNAME,
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USRSOCK_REQUEST_BIND,
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USRSOCK_REQUEST__MAX
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};
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/* Response/event message types */
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enum usrsock_message_types_e
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{
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USRSOCK_MESSAGE_RESPONSE_ACK = 0,
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USRSOCK_MESSAGE_RESPONSE_DATA_ACK,
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USRSOCK_MESSAGE_SOCKET_EVENT,
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};
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/* Request structures (kernel => /dev/usrsock => daemon) */
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begin_packed_struct struct usrsock_request_common_s
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{
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int8_t reqid;
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uint8_t xid;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_socket_s
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{
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struct usrsock_request_common_s head;
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int16_t domain;
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int16_t type;
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int16_t protocol;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_close_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_bind_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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uint16_t addrlen;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_connect_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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uint16_t addrlen;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_sendto_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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uint16_t addrlen;
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uint16_t buflen;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_recvfrom_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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uint16_t max_buflen;
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uint16_t max_addrlen;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_setsockopt_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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int16_t level;
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int16_t option;
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uint16_t valuelen;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_getsockopt_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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int16_t level;
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int16_t option;
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uint16_t max_valuelen;
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} end_packed_struct;
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begin_packed_struct struct usrsock_request_getsockname_s
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{
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struct usrsock_request_common_s head;
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int16_t usockid;
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uint16_t max_addrlen;
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} end_packed_struct;
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/* Response/event message structures (kernel <= /dev/usrsock <= daemon) */
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begin_packed_struct struct usrsock_message_common_s
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{
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int8_t msgid;
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int8_t flags;
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} end_packed_struct;
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/* Request acknowledgment/completion message */
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begin_packed_struct struct usrsock_message_req_ack_s
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{
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struct usrsock_message_common_s head;
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uint8_t xid;
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int32_t result;
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} end_packed_struct;
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/* Request acknowledgment/completion message */
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begin_packed_struct struct usrsock_message_datareq_ack_s
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{
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struct usrsock_message_req_ack_s reqack;
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/* head.result => positive buflen, negative error-code. */
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uint16_t valuelen; /* length of value returned after buffer */
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uint16_t valuelen_nontrunc; /* actual non-truncated length of value at
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* daemon-sïde. */
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} end_packed_struct;
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/* Socket event message */
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begin_packed_struct struct usrsock_message_socket_event_s
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{
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struct usrsock_message_common_s head;
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int16_t usockid;
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uint16_t events;
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} end_packed_struct;
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#endif /* __INCLUDE_NUTTX_NET_USRSOCK_H */
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