h_tcp_clt12.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.
 *
 * Test program for recv() and send() on LAN.
 */

#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, newsd;

void sig_hdr()
{
	/* printf("received SIGINT.\n"); */
	shutdown(sd, SHUT_RDWR);
	close(sd);
	exit(0);
}

/*
#define SZ_SND_DAT  256
#define SZ_SND_DAT  512
#define SZ_SND_DAT 1024
#define SZ_SND_DAT 2048
*/
#define SZ_SND_DAT 1024

#define SZ_RCV_DAT (16*1024)

#define SZ_HEADERS 110
#define SZ_CONTENTS 13517

/*
 * TCP client program
 */
main(argc, argv)
int	argc;
char **argv;
{
	int i, j, len;
	char ch, buf[SZ_SND_DAT], *buf2;
	struct sockaddr_in	sinme, sindst;
	int addrlen;
	int total;
	
signal(SIGINT, sig_hdr);

	errno = 0;
	ch = 'a';

	/* get buffer space */
	buf2 = (char *)malloc(SZ_RCV_DAT);
	if (buf2 == NULL) {
		printf("malloc failed.\n");
		return (1);
	}

	/* clear data contents */
	memset(buf, ch, SZ_SND_DAT);

	memset((char *)&sindst, 0, sizeof(struct sockaddr_in));
	sindst.sin_family = AF_INET;
	sindst.sin_addr.s_addr = inet_addr(DST_ADDR);
	sindst.sin_port = htons(8989);

	for (j=1; j <= LOOP; j++) {
		/* create an endpoint for TCP communication */
		if ((sd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
			printf("(%d)socket is NG.\n", j);
			break;
		}
		printf("(%d)socket is OK.\n", j);
	
		/* connect a connection on the socket */
		if ((connect(sd, (struct sockaddr *)&sindst, sizeof(sindst))) < 0) {
			printf("(%d)connect is NG.(errno=%d)\n", j, errno);
			close(sd);
			break;
		}
		printf("(%d)connect is OK.\n", j);
	
		/* send data */
		if ((len = send(sd, buf, SZ_SND_DAT, 0)) < 0) {
			printf("(%d)sending TCP data is NG.(errno=%d)\n", j, errno);
			close(sd);
			break;
		}
		printf("(%d)sending TCP data is OK.(size=%d)\n", j, len);

		/* receive contents data */
		total = 0;
		while (total < (SZ_CONTENTS + SZ_HEADERS)) {
#ifdef TMP
			/* clear buffer */
			memset(buf2, 0, SZ_RCV_DAT);
#endif
			if ((len = recv(sd, buf2, SZ_RCV_DAT, 0)) < 0) {
				printf("(%d)receiving TCP data is NG.(errno=%d)\n", j, errno);
				close(sd);
				break;
			}
			if (len == 0) {
				printf("(%d)receiving TCP data is NG.(size=%d)\n", j, len);
				break;
			}
			total += len;
			printf("(%d)receiving TCP data is OK.(size=%d)\n", j, len);
#ifdef TMP
			/* check data contesnts */
			for (i=0; i < len; i++) {
				if (buf2[i] != ch) {
					break;
				}
			}
			if (i < len) {
				printf("(%d)checking TCP data contents is NG.\n", j);
				close(sd);
				break;
			}
			printf("(%d)checking TCP data contents is OK.\n", j);
#endif
		}
		if (total == 0) {
			printf("(%d)receiving TCP data is OK.(size=%d)\n", j, len);
			if (close(sd) < 0) {
				printf("(%d)close is NG.(errno=%d)\n", j, errno);
			}
			printf("(%d)close is OK.\n\n", j);
			close(sd);
			break;
		}
		if (total != (SZ_CONTENTS + SZ_HEADERS)) {
			printf("(%d)receiving TCP data is NG.(total size=%d)\n", j, total);
			break;
		}
		printf("(%d)receiving TCP data is OK.(total size=%d)\n", j, total);

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

		if (close(sd) < 0) {
			printf("(%d)close is NG.(errno=%d)\n", j, errno);
			break;
		}
		printf("(%d)close is OK.\n\n", j);
		sleep(1);
	}

#ifdef TMP
	/* create an endpoint for TCP communication */
	if ((sd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
		printf("socket2 is NG.\n");
		return (1);
	}
	printf("socket2 is OK.\n");

	/* connect a connection on the socket */
	if ((connect(sd, (struct sockaddr *)&sindst, sizeof(sindst))) < 0) {
		printf("connect2 is NG.(errno=%d)\n", errno);
		close(sd);
		return (1);
	}
	printf("connect2 is OK.\n");

	/* send data */
	if ((len = send(sd, buf, 0, 0)) < 0) {
		printf("sending TCP data2 is NG.(errno=%d)\n", errno);
		close(sd);
		return (1);
	}
	printf("sending TCP data2 is OK.(size=%d)\n", len);

	if (shutdown(sd, SHUT_RDWR) < 0) {
		printf("shutdown2 is NG.(errno=%d)\n", errno);
		close(sd);
		return (1);
	}
	printf("shutdown2 is OK.\n");

	if (close(sd) < 0) {
		printf("close2 is NG.(errno=%d)\n", errno);
		return (1);
	}
	printf("close2 is OK.\n\n");
#endif

	printf("Pass.\n");
	sleep(2);

	return (0);
}

/* EOF */