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53 #include <sys/types.h>
54 #include <sys/socket.h>
55 #include <sys/ioctl.h>
59 #include <linux/can.h>
60 #include <linux/can/raw.h>
64 int main(int argc, char **argv)
67 struct sockaddr_can addr;
72 fprintf(stderr, "Error: Wrong number of arguments. Try %s <number of created sockets>.\n", argv[0]);
76 numsock = atoi(argv[1]);
78 if (numsock >= MAX_RAW) {
79 fprintf(stderr, "Error: more than %d sockets to open (see #define MAX_RAW).\n", MAX_RAW);
83 printf("\ncreating %d raw sockets ... ", numsock);
86 for (i=0; i < numsock; i++) {
87 if ((s[i] = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
92 addr.can_family = PF_CAN;
93 strcpy(ifr.ifr_name, "vcan2");
94 ioctl(s[i], SIOCGIFINDEX, &ifr);
95 addr.can_ifindex = ifr.ifr_ifindex;
97 if (bind(s[i], (struct sockaddr *)&addr, sizeof(addr)) < 0) {
106 printf("Waiting for keyboard input ...");
110 printf("closing %d raw sockets ... ", numsock);
113 for (i=0; i < numsock; i++)