服务端程序如下：
$Av0M&d:M:Fwww.linuxeden.com#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ipc.h>
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#include <sys/ioctl.h>
"Z8e"av1V#include <sys/select.h>
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#include <sys/shm.h>
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#include <sys/un.h>
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#include <netinet/in.h>
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{],spv-|#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
CO3?Dj:s&Y#include <string.h>
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#include <errno.h>
'r0j+i0qJLwww.linuxeden.comint main ()
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{
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unsigned char v6[16];
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struct sockaddr_in6 addr,servaddr;
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socklen_t fromlen;
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size_t len;
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l+N$a u p m // create sockets
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d7v)Mjms |J0r3rLinux伊甸园论坛 sock = socket(PF_INET6,SOCK_DGRAM,0);
SvtO&|www.linuxeden.com if (sock == -1)
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printf(" create socket error\n");
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exit(-1);
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.h2z {] a{ u printf("Create socket 6 =%d\n",sock);
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// bind sockets
DfqH8s3c memset(&addr,0,sizeof(struct sockaddr_in6));
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a addr.sin6_family = AF_INET6;
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addr.sin6_port = htons(9000);
4Qg6zh K2Y3X6yQ~3cwww.linuxeden.com if (inet_pton (AF_INET6, "3ffe:321f::50a", &addr.sin6_addr) <= 0) {
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printf ("inet_pton error \n");
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if (bind(sock,(struct sockaddr *)&addr,sizeof(addr)) != 0)
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{
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printf("bind udp6 rtp error!\n");
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g exit(-1);
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}
\ M.A3s` PS OELinux伊甸园论坛 printf("Wait receive data ....\n");
O UC[1V\5`oP hFLinux伊甸园论坛 fromlen = sizeof( struct sockaddr_in6 );
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//int rcvtimeo = 30000 ; // 45 sec insteadof 45 as default
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B //setsockopt(sock, SOL_SOCKET , SO_RCVTIMEO , (const char *)&rcvtimeo , sizeof(rcvtimeo) );
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while(1)
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{
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int recvlen=0;
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recvlen = recvfrom(sock,packetbuffer,1024,0,(struct sockaddr *)&servaddr,&fromlen);
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if ( recvlen <0 )
6[)Ljun*T0aLinux伊甸园论坛 continue;
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else
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{
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break;
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}
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l8a;cqY0Zwww.linuxeden.com close(sock);
yz z8[ IY@ M;WLinux伊甸园论坛 return 0;
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1b8[Z5f8~;a9dxU:n }W J发送端程序如下：
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#include <sys/types.h>
\.F c#_u#include <sys/socket.h>
9yb1ZV.hwww.linuxeden.com#include <sys/poll.h>
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#include <sys/ipc.h>
(AKa Q#e;c0K&Z,Bwww.linuxeden.com#include <sys/shm.h>
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#include <sys/un.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdio.h>
-h g:g)k5ay0v#include <unistd.h>
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#include <stdlib.h>
G%`2W(S \JFO+b6uP K#include <string.h>
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#include <errno.h>
(P(O8p9p};Jhi-aint main ()
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int sockfd;
u)c"{L Tu struct sockaddr_in6 servaddr;
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printf("socket\n");
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if ((sockfd = socket (AF_INET6, SOCK_DGRAM, 0)) < 0) {
"NNL$Xd\PLinux伊甸园论坛 perror ("socket");
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d8p'A/a exit (2);
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}
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printf("sock=%d\n",sockfd);
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servaddr.sin6_family = AF_INET6;
d mh'~f,{"^I"`0Nwww.linuxeden.com servaddr.sin6_port = htons (8000);
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printf ("inet_pton error\n");
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exit (3);
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l4w;cx_.J1O#o&jp pLinux伊甸园论坛 if (bind (sockfd, (struct sockaddr *)&servaddr, sizeof (servaddr)) < 0)
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{
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printf("sendto\n");
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sendto(sockfd, "123456789", 9, 0, (struct sockaddr *)&servaddr, sizeof(struct sockaddr_in6));
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close (sockfd);
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return 0;
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}
