h_read_clt.c

T－kernel Tcp/ip Protocol Stack Sample

/*
 *  Copyright (C) 1999-2006 MITSUBISHI ELECTRIC CORPORATION and
 *  RENESAS SOLUTIONS CORPORATION and
 *  RENESAS TECHNOLOGY CORPORATION
 *  All rights reserved.
 *
 *  TCP/IP Test Application program [API].
 */

#include <stdio.h>
#include <signal.h>
#include <ctype.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netdb.h>

#include "config.h"

extern int errno;

int sd;

void sig_hdr()
{
	/* printf("received SIGINT.\n"); */
	shutdown(sd, SHUT_RDWR);
	if (close(sd) < 0) {
		printf("close is NG.\n");
		exit(1);
	}
	printf("close is OK.\n");
	exit(0);
}

/*
 * TCP client program
 */
main(argc, argv)
int	argc;
char **argv;
{
	int i, len;
	struct sockaddr_in sindst;
	int tcpopt;
	char buf[2048];
	
signal(SIGINT, sig_hdr);

printf("for TEST-7\n");
	errno = 0;

	/* create an endpoint for TCP communication */
	if ((sd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
		printf("socket is NG.(errno=%d)\n", errno);
		exit(1);
	}
	printf("socket is OK.\n");
	
	memset((char *)&sindst, 0, sizeof(struct sockaddr_in));
	sindst.sin_family = AF_INET;
	sindst.sin_addr.s_addr = inet_addr(TGT_ADDR);
	sindst.sin_port = htons(TGT_PORT);

	/* initiate a connection on the socket */
	if (connect(sd, (struct sockaddr *)&sindst, sizeof(sindst)) < 0) {
		printf("connect is NG.(errno=%d)\n", errno);
		close(sd);
		exit(1);
	}
	printf("connect is OK.\n");
	
	sleep(5);

	for (i=0; i < 10; i++) {
		len = write(sd, buf, sizeof(buf));
		if (len < 0)
			break;
		printf("write is OK.(size=%d)\n", len);
	}
	if (i != 10) {
		printf("write is NG.(errno=%d)\n", errno);
	}

	errno = 0;
	len = write(sd, buf, 0);
	if (len < 0)
		printf("write is NG.(errno=%d)\n", errno);
	else
		printf("write is OK.(size=%d)\n", len);

	if (shutdown(sd, SHUT_RDWR) < 0) {
		printf("shutdown is NG.(errno=%d)\n", errno);
	}
	printf("shutdown is OK.\n");

	if (close(sd) < 0) {
		printf("close is NG.(errno=%d)\n", errno);
	}
	printf("close is OK.\n\n");
	sleep(2);
	exit(0);
}

/* EOF */