/* * net/tipc/server.h: Include file for TIPC server code * * Copyright (c) 2012-2013, Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _TIPC_SERVER_H #define _TIPC_SERVER_H #include #include #include #define TIPC_SERVER_NAME_LEN 32 /** * struct tipc_server - TIPC server structure * @conn_idr: identifier set of connection * @idr_lock: protect the connection identifier set * @idr_in_use: amount of allocated identifier entry * @net: network namspace instance * @rcvbuf_cache: memory cache of server receive buffer * @rcv_wq: receive workqueue * @send_wq: send workqueue * @max_rcvbuf_size: maximum permitted receive message length * @tipc_conn_new: callback will be called when new connection is incoming * @tipc_conn_release: callback will be called before releasing the connection * @tipc_conn_recvmsg: callback will be called when message arrives * @saddr: TIPC server address * @name: server name * @imp: message importance * @type: socket type */ struct tipc_server { struct idr conn_idr; spinlock_t idr_lock; int idr_in_use; struct net *net; struct kmem_cache *rcvbuf_cache; struct workqueue_struct *rcv_wq; struct workqueue_struct *send_wq; int max_rcvbuf_size; void *(*tipc_conn_new)(int conid); void (*tipc_conn_release)(int conid, void *usr_data); void (*tipc_conn_recvmsg)(struct net *net, int conid, struct sockaddr_tipc *addr, void *usr_data, void *buf, size_t len); struct sockaddr_tipc *saddr; char name[TIPC_SERVER_NAME_LEN]; int imp; int type; }; int tipc_conn_sendmsg(struct tipc_server *s, int conid, struct sockaddr_tipc *addr, void *data, size_t len); /** * tipc_conn_terminate - terminate connection with server * * Note: Must call it in process context since it might sleep */ void tipc_conn_terminate(struct tipc_server *s, int conid); int tipc_server_start(struct tipc_server *s); void tipc_server_stop(struct tipc_server *s); #endif ae01c'/>
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