简单的tipc通信程序server

/* ------------------------------------------------------------------------
 *
 * server_tipc.c
 *
 * Short description: TIPC hello world demo (server side)
 * ------------------------------------------------------------------------
 *
 * Copyright (c) 2003, Ericsson Research Canada
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this 
 * list of conditions and the following disclaimer.
 * 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.
 * Neither the name of Ericsson Research Canada nor the names of its 
 * contributors may be used to endorse or promote products derived from this 
 * software without specific prior written permission.
 *
 * 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.
 *
 * ------------------------------------------------------------------------
 */

#include <sys/types.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <linux/tipc.h>

#define SERVER_TYPE  18888
#define SERVER_INST  17

int main(int argc, char *argv[], char *dummy[])
{
	struct sockaddr_tipc server_addr;
	struct sockaddr_tipc client_addr;
	socklen_t alen = sizeof(client_addr);
	int sd;
	char inbuf[40];
	char outbuf[40] = "Uh ?";

	printf("****** TIPC server hello world program started ******\n\n");

	server_addr.family = AF_TIPC;
	server_addr.addrtype = TIPC_ADDR_NAMESEQ;
	server_addr.addr.nameseq.type = SERVER_TYPE;
	server_addr.addr.nameseq.lower = SERVER_INST;
	server_addr.addr.nameseq.upper = SERVER_INST;
	server_addr.scope = TIPC_ZONE_SCOPE;

	sd = socket(AF_TIPC, SOCK_RDM, 0);

	if (0 != bind(sd, (struct sockaddr *)&server_addr, sizeof(server_addr)))
    {
		printf("Server: failed to bind port name\n");
		exit(1);
	}

	if (0 >= recvfrom(sd, inbuf, sizeof(inbuf), 0, (struct sockaddr *)&client_addr, &alen))
    {
		perror("Server: unexpected message");
	}
	printf("Server: Message received: %s !\n", inbuf);

	if (0 > sendto(sd, outbuf, strlen(outbuf)+1, 0, (struct sockaddr *)&client_addr, sizeof(client_addr)))
    {
		perror("Server: failed to send");
	}
	printf("\n****** TIPC server hello program finished ******\n");

	exit(0);
}