int main(int argc, char **argv)
{
- int s[MAX_RAW];
- struct sockaddr_can addr;
- struct ifreq ifr;
- int i,numsock;
-
- if (argc != 2) {
- fprintf(stderr, "Error: Wrong number of arguments. Try %s <number of created sockets>.\n", argv[0]);
- exit(1);
- }
-
- numsock = atoi(argv[1]);
-
- if (numsock >= MAX_RAW) {
- fprintf(stderr, "Error: more than %d sockets to open (see #define MAX_RAW).\n", MAX_RAW);
- exit(1);
- }
-
- printf("\ncreating %d raw sockets ... ", numsock);
-
- if (numsock) {
- for (i=0; i < numsock; i++) {
- if ((s[i] = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
- perror("socket");
- return 1;
- }
-
- addr.can_family = PF_CAN;
- strcpy(ifr.ifr_name, "vcan2");
- ioctl(s[i], SIOCGIFINDEX, &ifr);
- addr.can_ifindex = ifr.ifr_ifindex;
-
- if (bind(s[i], (struct sockaddr *)&addr, sizeof(addr)) < 0) {
- perror("connect");
- return 1;
- }
+ int s[MAX_RAW];
+ struct sockaddr_can addr;
+ struct ifreq ifr;
+ int i,numsock;
+
+ if (argc != 2) {
+ fprintf(stderr, "Error: Wrong number of arguments. Try %s <number of created sockets>.\n", argv[0]);
+ exit(1);
}
- }
- printf("done.\n");
+ numsock = atoi(argv[1]);
- printf("Waiting for keyboard input ...");
+ if (numsock >= MAX_RAW) {
+ fprintf(stderr, "Error: more than %d sockets to open (see #define MAX_RAW).\n", MAX_RAW);
+ exit(1);
+ }
+
+ printf("\ncreating %d raw sockets ... ", numsock);
+
+ if (numsock) {
+ for (i=0; i < numsock; i++) {
+ if ((s[i] = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
+ perror("socket");
+ return 1;
+ }
+
+ addr.can_family = PF_CAN;
+ strcpy(ifr.ifr_name, "vcan2");
+ ioctl(s[i], SIOCGIFINDEX, &ifr);
+ addr.can_ifindex = ifr.ifr_ifindex;
+
+ if (bind(s[i], (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ perror("connect");
+ return 1;
+ }
+ }
+ }
+
+ printf("done.\n");
+
+ printf("Waiting for keyboard input ...");
- getchar();
+ getchar();
- printf("closing %d raw sockets ... ", numsock);
+ printf("closing %d raw sockets ... ", numsock);
- if (numsock)
- for (i=0; i < numsock; i++)
- close(s[i]);
+ if (numsock)
+ for (i=0; i < numsock; i++)
+ close(s[i]);
- printf("done.\n\n");
+ printf("done.\n\n");
- return 0;
+ return 0;
}