nuttx-apps/lte/alt1250/usock_handlers/alt1250_getsockopthdlr.c
SPRESENSE 3650251c5e lte/alt1250: Fix bug that caused stack when executing the socket API
Fix a bug that caused the application to get stuck when executing
the socket API after waking up from hibernation and before executing
lte_hibernation_resume().
2024-02-09 14:52:05 +02:00

234 lines
8.0 KiB
C

/****************************************************************************
* apps/lte/alt1250/usock_handlers/alt1250_getsockopthdlr.c
*
* 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>
#include <nuttx/net/usrsock.h>
#include "alt1250_dbg.h"
#include "alt1250_container.h"
#include "alt1250_socket.h"
#include "alt1250_devif.h"
#include "alt1250_usrsock_hdlr.h"
#include "alt1250_usockevent.h"
#include "alt1250_postproc.h"
/****************************************************************************
* Private Functions
****************************************************************************/
static int postproc_getsockopt(FAR struct alt1250_s *dev,
FAR struct alt_container_s *reply,
FAR struct usock_s *usock,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo,
unsigned long arg)
{
int ret = REP_SEND_ACK;
FAR void **resp = CONTAINER_RESPONSE(reply);
dbg_alt1250("%s start\n", __func__);
/* resp[0]: ret code
* resp[1]: error code
* resp[2]: optlen
* resp[3]: optval
*/
*usock_xid = USOCKET_XID(usock);
*usock_result = COMBINE_ERRCODE(*(FAR int *)resp[0], *(FAR int *)resp[1]);
if (*usock_result >= 0)
{
*usock_result = 0;
*usock_xid = USOCKET_XID(usock);
ackinfo->valuelen = MIN(USOCKET_REQOPTLEN(usock),
*(FAR uint16_t *)(resp[2]));
ackinfo->valuelen_nontrunc = *(FAR uint16_t *)(resp[2]);
ackinfo->value_ptr = resp[3];
ackinfo->buf_ptr = NULL;
if (ackinfo->valuelen != 0)
{
ret = REP_SEND_DACK;
}
}
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* name: nextstep_getsockopt
****************************************************************************/
int nextstep_getsockopt(FAR struct alt1250_s *dev,
FAR struct alt_container_s *reply,
FAR struct usock_s *usock,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo,
unsigned long arg)
{
dbg_alt1250("%s start\n", __func__);
return send_getsockopt_command(dev, reply, usock,
USOCKET_REQOPTLEVEL(usock),
USOCKET_REQOPTOPT(usock),
USOCKET_REQOPTLEN(usock),
&USOCKET_REQOPTLEVEL(usock),
&USOCKET_REQOPTOPT(usock),
postproc_getsockopt, 0, usock_result);
}
/****************************************************************************
* name: send_getsockopt_command
****************************************************************************/
int send_getsockopt_command(FAR struct alt1250_s *dev,
FAR struct alt_container_s *container,
FAR struct usock_s *usock,
int16_t level,
int16_t option,
uint16_t valuelen,
FAR int16_t *requested_level,
FAR int16_t *requested_option,
FAR postproc_hdlr_t func,
unsigned long priv,
FAR int32_t *usock_result)
{
int idx = 0;
FAR void *inparam[4];
/* These members are referenced only when sending a command and
* not when receiving a response, so local variables are used.
*/
inparam[0] = &USOCKET_ALTSOCKID(usock);
inparam[1] = &level;
inparam[2] = &option;
inparam[3] = &valuelen;
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_RESULT(usock));
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_ERRCODE(usock));
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_OPTLEN(usock));
USOCKET_SET_RESPONSE(usock, idx++, USOCKET_REP_OPTVAL(usock));
USOCKET_SET_RESPONSE(usock, idx++, requested_level);
USOCKET_SET_RESPONSE(usock, idx++, requested_option);
set_container_ids(container, USOCKET_USOCKID(usock), LTE_CMDID_GETSOCKOPT);
set_container_argument(container, inparam, nitems(inparam));
set_container_response(container, USOCKET_REP_RESPONSE(usock), idx);
set_container_postproc(container, func, priv);
return altdevice_send_command(dev, dev->altfd, container, usock_result);
}
/****************************************************************************
* name: usockreq_getsockopt
****************************************************************************/
int usockreq_getsockopt(FAR struct alt1250_s *dev,
FAR struct usrsock_request_buff_s *req,
FAR int32_t *usock_result,
FAR uint32_t *usock_xid,
FAR struct usock_ackinfo_s *ackinfo)
{
FAR struct usrsock_request_getsockopt_s *request = &req->request.gopt_req;
FAR struct usock_s *usock;
FAR struct alt_container_s *container;
int ret = REP_SEND_ACK_WOFREE;
dbg_alt1250("%s start\n", __func__);
*usock_result = OK;
*usock_xid = request->head.xid;
usock = usocket_search(dev, request->usockid);
if (usock == NULL)
{
dbg_alt1250("Failed to get socket context: %u\n",
request->usockid);
*usock_result = -EBADFD;
return REP_SEND_ACK_WOFREE;
}
if (request->max_valuelen > _OPTVAL_LEN_MAX)
{
*usock_result = -EINVAL;
return REP_SEND_ACK_WOFREE;
}
USOCKET_SET_REQUEST(usock, request->head.reqid, request->head.xid);
USOCKET_SET_REQSOCKOPT(usock, request->level, request->option,
request->max_valuelen);
switch (USOCKET_STATE(usock))
{
case SOCKET_STATE_CLOSED:
case SOCKET_STATE_CLOSING:
dbg_alt1250("Unexpected state: %d\n", USOCKET_STATE(usock));
*usock_result = -EBADFD;
ret = REP_SEND_ACK_WOFREE;
break;
case SOCKET_STATE_PREALLOC:
container = container_alloc();
if (container == NULL)
{
dbg_alt1250("no container\n");
return REP_NO_CONTAINER;
}
ret = open_altsocket(dev, container, usock, usock_result);
if (IS_NEED_CONTAINER_FREE(ret))
{
container_free(container);
}
break;
default:
container = container_alloc();
if (container == NULL)
{
dbg_alt1250("no container\n");
return REP_NO_CONTAINER;
}
ret = nextstep_getsockopt(dev, container, usock, usock_result,
usock_xid, ackinfo, 0);
if (IS_NEED_CONTAINER_FREE(ret))
{
container_free(container);
}
break;
}
return ret;
}