ipn/test/test4.c

   1 #include <stdio.h>
   2 #include <errno.h>
   3 #include <sys/types.h>
   4 #include <sys/socket.h>
   5 #include <sys/un.h>
   6 #include <sys/ioctl.h>
   7 #include <linux/if.h>
   8 #include <linux/if_tun.h>
   9
  10 #define AF_IPN 33
  11 #define PF_IPN AF_IPN
  12 #define IPN_ANY 0
  13 #define IPN_BROADCAST 1
  14 #define IPN_HUB 1
  15 #define IPN_VDESWITCH 2
  16 #define IPN_VDESWITCH_L3 3
  17
  18 #define IPN_SO_PREBIND 0x80
  19 #define IPN_SO_PORT 0
  20 #define IPN_SO_DESCR 1
  21 #define IPN_SO_MTU (IPN_SO_PREBIND | 0)
  22 #define IPN_SO_NUMNODES (IPN_SO_PREBIND | 1)
  23 #define IPN_SO_MSGPOOLSIZE (IPN_SO_PREBIND | 2)
  24 #define IPN_SO_FLAGS (IPN_SO_PREBIND | 3)
  25 #define IPN_SO_MODE (IPN_SO_PREBIND | 4)
  26
  27 /* Ioctl defines */
  28 #define IPN_SETPERSIST_NETDEV    _IOW('I', 200, int)
  29 #define IPN_CLRPERSIST_NETDEV    _IOW('I', 201, int)
  30 #define IPN_CONN_NETDEV          _IOW('I', 202, int)
  31 #define IPN_JOIN_NETDEV          _IOW('I', 203, int)
  32 #define IPN_SETPERSIST           _IOW('I', 204, int)
  33
  34 #define IPN_NODEFLAG_TAP   0x10    /* This is a tap interface */
  35 #define IPN_NODEFLAG_GRAB  0x20    /* This is a grab of a real interface */
  36
  37 #define IPN_PORTNO_ANY -1
  38
  39 #define IPN_DESCRLEN 32
  40
  41 #define IPN_FLAG_LOSSLESS 1
  42
  43 /*#define IPNTYPE IPN_BROADCAST*/
  44 #define IPNTYPE IPN_VDESWITCH
  45
  46 char buf[256];
  47 struct sockaddr_un sun={.sun_family=AF_IPN,.sun_path="/tmp/sockipn"};
  48 main()
  49 {
  50         int s=socket(AF_IPN,SOCK_RAW,IPNTYPE);
  51         int s2=socket(AF_IPN,SOCK_RAW,IPNTYPE);
  52         int err;
  53         int len;
  54         int flags=IPN_FLAG_LOSSLESS;
  55         int size=128;
  56         int mode=0770;
  57         struct ifreq ifr;
  58         if (s< 0)
  59                 perror("socket");
  60         printf("s=%d\n",s);
  61         /*
  62         err=setsockopt(s,0,IPN_SO_FLAGS,&flags,sizeof(flags));
  63         if (err<0)
  64                 perror("setsockopt");
  65         err=setsockopt(s,0,IPN_SO_MSGPOOLSIZE,&size,sizeof(size));
  66         if (err<0)
  67                 perror("setsockopt");
  68         err=setsockopt(s,0,IPN_SO_MODE,&mode,sizeof(mode));
  69         if (err<0)
  70                 perror("setsockopt");
  71                 */
  72         err=bind(s,(struct sockaddr *)&sun,sizeof(sun));
  73         if (err<0)
  74                 perror("bind");
  75         err=bind(s2,(struct sockaddr *)&sun,sizeof(sun));
  76         if (err<0)
  77                 perror("bind2");
  78         /*
  79         err=connect(s,NULL,0);
  80         */
  81         memset(&ifr, 0, sizeof(ifr));
  82         strncpy(ifr.ifr_name, "eth1", IFNAMSIZ);
  83         ifr.ifr_flags=IPN_NODEFLAG_GRAB;
  84         err=ioctl(s, IPN_CONN_NETDEV, (void *) &ifr);
  85         if (err<0)
  86                 perror("connect");
  87         memset(&ifr, 0, sizeof(ifr));
  88         strncpy(ifr.ifr_name, "ipn0", IFNAMSIZ);
  89         ifr.ifr_flags=IPN_NODEFLAG_TAP;
  90         err=ioctl(s2, IPN_CONN_NETDEV, (void *) &ifr);
  91         if (err<0)
  92                 perror("connect2");
  93
  94         while ((len=read(0,buf,256)) > 0) {
  95                 err=write(s,buf,len);
  96                 if (err<0)
  97                         perror("write sock");
  98         }
  99         if (len < 0)
 100                 perror("read stdin");
 101         close(s);
 102 }