【SylixOS之ipv6收发测试代码】
1、设备ipv6地址通过ifconfig查看
2、SylixOS自带ping6命令测试ipv6网络通断状态
注意：需要使用-I选项指定收发端口
3、ipv6的tcp收发测试代码
注意：client端需要使用SO_BINDTODEVICE指定数据收发端口
server：
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define MAXBUF 1024
#define LOCALPORT 8888
int main(int argc, char **argv)
{
int i;
int sockfd, new_fd;
socklen_t len;
struct sockaddr_in6 my_addr, their_addr;
char buf[MAXBUF + 1];
if ((sockfd = socket(PF_INET6, SOCK_STREAM, 0)) == -1) {
perror("socket");
exit(1);
} else {
printf("socket created\n");
}
bzero(&my_addr, sizeof(my_addr));
my_addr.sin6_family = AF_INET6;
my_addr.sin6_port = htons(LOCALPORT);
my_addr.sin6_addr = in6addr_any;
if (bind(sockfd, (struct sockaddr *) &my_addr, sizeof(struct sockaddr_in6)) == -1) {
perror("bind");
exit(1);
} else {
printf("binded\n");
}
if (listen(sockfd, 10) == -1) {
perror("listen");
exit(1);
} else {
printf("begin listen\n");
}
len = sizeof(struct sockaddr);
if ((new_fd = accept(sockfd, (struct sockaddr *) &their_addr, &len)) == -1) {
perror("accept");
exit(errno);
}
i = 0;
while (1) {
bzero(buf, sizeof(buf));
len = recv(new_fd, buf, MAXBUF, 0);
if (len <= 0) {
perror("recv");
exit(-1);
}
printf("recv:%d\n", i++);
len = send(new_fd, buf, MAXBUF, 0);
if (len <= 0) {
perror("send");
exit(-1);
}
}
close(sockfd);
return 0;
}
client：
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define MAXBUF 1024
#define REMOTEPORT 8888
//#define REMOTEIP "::1"
//#define REMOTEIP "fe80::204:9fff:fea0:45"
//#define REMOTEIP "fe80::20c:29ff:fe31:674c"
//#define REMOTEIP "fe80::2e0:cff:fe07:9b8a"
#define REMOTEIP "fe80::204:9fff:fea0:45"
int main(int argc, char **argv)
{
int sockfd, len, i;
struct sockaddr_in6 dest;
char buffer[MAXBUF];
char recvBuf[MAXBUF + 1];
struct ifreq ifreq;
if ((sockfd = socket(AF_INET6, SOCK_STREAM, 0)) < 0) {
perror("Socket");
exit(errno);
}
printf("socket created\n");
strlcpy(ifreq.ifr_name, "en2", 16); /* 绑定指定的设备 */
setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE, &ifreq, sizeof(ifreq));
bzero(&dest, sizeof(dest));
dest.sin6_family = AF_INET6;
dest.sin6_port = htons(REMOTEPORT);
inet_pton(AF_INET6, REMOTEIP, &dest.sin6_addr);
printf("address created\n");
if (connect(sockfd, (struct sockaddr *)&dest, sizeof(dest)) != 0) {
perror("Connect ");
exit(errno);
}
printf("server connected\n");
for (i = 0; i < MAXBUF; i++) {
buffer[i] = '0' + i % 10;
}
i = 0;
while (1) {
len = send(sockfd, buffer, MAXBUF, 0);
if (len < 0) {
perror("send");
}
bzero(recvBuf, sizeof(recvBuf));
len = recv(sockfd, recvBuf, MAXBUF, 0);
if (len < 0) {
perror("send");
}
printf("recv %d:", i);
printf("%s", recvBuf);
printf("\n");
sleep(1);
}
close(sockfd);
return 0;
}
4、ipv6的udp收发测试代码
注意：client端需要使用SO_BINDTODEVICE指定数据收发端口
server：
#include
#include
#include
#include
#include
#include
#define LOCALPORT 8888
int main(int argc,char *argv[])
{
int mysocket,len;
int i = 0;
struct sockaddr_in6 addr;
int addr_len;
char msg[1024];
char buf[300];
if ((mysocket = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
perror("error:");
return(1);
} else {
printf("socket created ...\n");
printf("socket id :%d \n",mysocket);
}
addr_len = sizeof(struct sockaddr_in6);
bzero(&addr,sizeof(addr));
addr.sin6_family = AF_INET6;
addr.sin6_port = htons(LOCALPORT);
addr.sin6_addr = in6addr_any;
if (bind(mysocket, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
perror("connect");
return(1);
} else {
printf("bink ok .\n");
printf("local port : %d\n", LOCALPORT);
}
i = 0;
while(1) {
bzero(msg,sizeof(msg));
len = recvfrom(mysocket, msg, sizeof(msg), 0, (struct sockaddr *)&addr, (socklen_t*)&addr_len);
inet_ntop(AF_INET6, &addr.sin6_addr, buf, sizeof(buf));
printf("%d:message from ip %s\n", i++, buf);
if (sendto(mysocket, msg, len, 0, (struct sockaddr *)&addr, addr_len) < 0) {
printf("error");
return(1);
}
}
}
client：
#include
#include
#include
#include
#include
#include
#include
#define REMOTEPORT 8888
//#define REMOTEIP "::1"
//#define REMOTEIP "fe80::204:9fff:fea0:45"
//#define REMOTEIP "fe80::20c:29ff:fe31:674c"
//#define REMOTEIP "fe80::2e0:cff:fe07:9b8a"
#define REMOTEIP "fe80::56b2:3ff:fe09:5fc3"
int main(int argc,char *argv[])
{
int mysocket, len;
int i = 0;
struct sockaddr_in6 addr;
int addr_len;
char msg[1024];
char msgr[1024];
struct ifreq ifreq;
if ((mysocket = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
perror("error:");
return(1);
} else {
printf("socket created ...\n");
printf("socket id :%d \n",mysocket);
printf("rmote ip : %s\n",REMOTEIP);
printf("remote port :%d \n",REMOTEPORT);
}
strlcpy(ifreq.ifr_name, "en1", 16); /* 绑定指定的设备 */
setsockopt(mysocket, SOL_SOCKET, SO_BINDTODEVICE, &ifreq, sizeof(ifreq));
addr_len = sizeof(struct sockaddr_in6);
bzero(&addr, sizeof(addr));
addr.sin6_family = AF_INET6;
addr.sin6_port = htons(REMOTEPORT);
inet_pton(AF_INET6, REMOTEIP, &addr.sin6_addr);
for (i = 0; i < 1024; i++) {
msg[i] = '0' + i % 10;
}
i = 0;
while(1) {
if (sendto(mysocket, msg, sizeof(msg), 0, (struct sockaddr *)&addr, addr_len) < 0) {
printf("error\n");
return(1);
}
bzero(msgr, sizeof(msgr));
len = recvfrom(mysocket, msgr, sizeof(msgr), 0, (struct sockaddr *)&addr, (socklen_t*)&addr_len);
printf("%d: Received message\n", i++);
sleep(1);
}
}