81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/****************************************************************************
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* libs/libnx/nxmu/nx_disconnect.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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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 <stdio.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/mqueue.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxmu.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nx_disconnect
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*
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* Description:
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* Disconnect a client from the NX server and/or free resources reserved
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* by nx_connect/nx_connectinstance.
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*
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* Input Parameters:
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* handle - the handle returned by nx_connect
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*
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* Returned Value:
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* OK on success; ERROR on failure with the errno set appropriately.
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* NOTE that handle will no long be valid upon return.
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*
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****************************************************************************/
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void nx_disconnect(NXHANDLE handle)
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{
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FAR struct nxmu_conn_s *conn = (FAR struct nxmu_conn_s *)handle;
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struct nxsvrmsg_s outmsg;
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char climqname[NX_CLIENT_MXNAMELEN];
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int ret;
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/* Inform the server that this client no longer exists */
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outmsg.msgid = NX_SVRMSG_DISCONNECT;
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outmsg.conn = conn;
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/* We will finish the teardown upon receipt of the DISCONNECTED message */
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ret = nxmu_sendserver(conn, &outmsg, sizeof(struct nxsvrmsg_s));
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if (ret < 0)
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{
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gerr("ERROR: nxmu_sendserver() returned %d\n", ret);
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}
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else
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{
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snprintf(climqname, sizeof(climqname),
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NX_CLIENT_MQNAMEFMT, conn->cid);
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_MQ_UNLINK(climqname);
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}
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}
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