incubator-nuttx/net/usrsock/usrsock_event.c

127 lines
3.5 KiB
C

/****************************************************************************
* net/usrsock/usrsock_event.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#if defined(CONFIG_NET) && defined(CONFIG_NET_USRSOCK)
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <arch/irq.h>
#include <sys/socket.h>
#include <nuttx/net/net.h>
#include <nuttx/net/usrsock.h>
#include "devif/devif.h"
#include "usrsock/usrsock.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: usrsock_event
*
* Description:
* Handler for received connection events
*
****************************************************************************/
int usrsock_event(FAR struct usrsock_conn_s *conn)
{
uint16_t events = conn->resp.events;
ninfo("events: %04X\n", events);
if (!events)
{
return OK;
}
net_lock();
/* Generic state updates. */
if (conn->state == USRSOCK_CONN_STATE_CONNECTING)
{
if ((events & USRSOCK_EVENT_REQ_COMPLETE) ||
(events & USRSOCK_EVENT_SENDTO_READY))
{
conn->state = USRSOCK_CONN_STATE_READY;
events |= USRSOCK_EVENT_CONNECT_READY;
if ((conn->resp.result == 0) ||
(events & USRSOCK_EVENT_SENDTO_READY))
{
conn->connected = true;
}
}
}
if (events & USRSOCK_EVENT_ABORT)
{
conn->state = USRSOCK_CONN_STATE_ABORTED;
conn->usockid = USRSOCK_USOCKID_INVALID;
}
if ((conn->state == USRSOCK_CONN_STATE_READY ||
conn->state == USRSOCK_CONN_STATE_CONNECTING) &&
!(conn->flags & USRSOCK_EVENT_REMOTE_CLOSED))
{
if (events & USRSOCK_EVENT_SENDTO_READY)
{
conn->flags |= USRSOCK_EVENT_SENDTO_READY;
}
if (events & USRSOCK_EVENT_RECVFROM_AVAIL)
{
conn->flags |= USRSOCK_EVENT_RECVFROM_AVAIL;
}
}
if (events & USRSOCK_EVENT_REMOTE_CLOSED)
{
/* After reception of remote close event, clear input flags. */
conn->flags &= ~USRSOCK_EVENT_SENDTO_READY;
conn->flags |= USRSOCK_EVENT_REMOTE_CLOSED;
}
/* Send events to callbacks */
devif_conn_event(NULL, events, conn->sconn.list);
net_unlock();
return OK;
}
#endif /* CONFIG_NET && CONFIG_NET_USRSOCK */