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List:       netbsd-tech-net
Subject:    code for RFC 6056 - test program for IPv6
From:       Vlad Balan <hbalan () usc ! edu>
Date:       2011-08-25 23:05:12
Message-ID: CA+TL_nnVT0v32X2aO=W-0qEc4agAocj45qrYy0oCE4obQyP_Cg () mail ! gmail ! com
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#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <strings.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <netdb.h>

#define UDP_RFC6056ALGO 200

#define AF AF_INET6
#define DOMAIN PF_INET6
#define SOCKADDR sockaddr_in6
#define PORT sin6_port
#define FAMILY sin6_family

int
main(int argc, char **argv)
{
	int sockfd, sockfd2, error;
	struct SOCKADDR localaddr;
	struct addrinfo hints, *res;
	int i = 0;
	
	
	if (argc < 2) {
		printf("usage test1 hostname [algorithm] \n");
		return EINVAL;
	}
	if (argc > 2) {
		i = atoi(argv[2]);
		printf("Using algorithm %d \n", i);
	}
	
	bzero(&localaddr, sizeof(localaddr));
	localaddr.FAMILY = AF;
	
	memset(&hints, 0, sizeof(struct addrinfo));
	hints.ai_family = AF;
	hints.ai_socktype = SOCK_DGRAM;

	error =getaddrinfo(argv[1], "http", &hints, &res);
	if (error) printf("getaddrinfo error %d\n", error);
	
	printf("First we try with the delayed bind\n");

	sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
	if (socket < 0) printf("socket call failed");
	
	if (i > 0) {
		int error =setsockopt(sockfd, IPPROTO_UDP,
				       UDP_RFC6056ALGO, &i, sizeof(int));
		if (error) printf("setsockopt error %d\n", error);
	}
	error =bind(sockfd, (struct sockaddr *) & localaddr,
		     sizeof(localaddr));
	
	if (error) printf("bind returned %d \n", error);

	error =sendto(sockfd, "hello\n", strlen("hello\n"), 0,
	    res->ai_addr, res->ai_addrlen);
	printf("sendto returned %d \n", error);

	error = close(sockfd);
	if (error) printf("close returned %d \n", error);

	printf("Secondly, we connect first and send directly \n");

	sockfd2 = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
	if (socket < 0) printf("socket call failed");

	if (i > 0) {
		int error =setsockopt(sockfd2, IPPROTO_UDP,
				       UDP_RFC6056ALGO, &i, sizeof(int));
		if (error)
			printf("setsockopt error %d\n", error);
	}
	error =connect(sockfd2, res->ai_addr,
	    res->ai_addrlen);
	if (error) printf("connect returned %d \n", error);

	send(sockfd2, "hello\n", strlen("hello\n"), 0);
	printf("send returned %d \n", error);

	error =close(sockfd2);
	if (error) printf("close returned %d \n", error);

	freeaddrinfo(res);
	
	printf("Done with testing... \n");

	return 0;
}
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