1 files changed, 86 insertions, 0 deletions
diff --git a/tst-raw.c b/tst-raw.c
new file mode 100644
index 0000000..882f90b
--- /dev/null
+++ b/tst-raw.c
@@ -0,0 +1,86 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+
+#include "can.h"
+
+int main(int argc, char **argv)
+{
+    int s;
+    int family = PF_CAN, type = SOCK_RAW, proto = CAN_PROTO_RAW;
+    int opt;
+    struct sockaddr_can addr;
+    unsigned char buf[4096];
+    int nbytes, i;
+    struct ifreq ifr;
+
+    struct iovec bufs[] = {
+	{ "abc", 4 },
+	{ "def", 4 },
+	{ "0123456", 8 },
+	{ "xyz", 4 },
+    };
+
+    while ((opt = getopt(argc, argv, "f:t:p:")) != -1) {
+	switch (opt) {
+	case 'f':
+	    family = atoi(optarg);
+	    break;
+	case 't':
+	    type = atoi(optarg);
+	    break;
+	case 'p':
+	    proto = atoi(optarg);
+	    break;
+	default:
+	    fprintf(stderr, "Unknown option %c\n", opt);
+	    break;
+	}
+    }
+
+    printf("family = %d, type = %d, proto = %d\n", family, type, proto);
+    if ((s = socket(family, type, proto)) < 0) {
+	perror("socket");
+	return 1;
+    }
+
+    strcpy(ifr.ifr_name, "vcan2");
+    ioctl(s, SIOCGIFINDEX, &ifr);
+    addr.can_family = family;
+    addr.can_ifindex = ifr.ifr_ifindex;
+
+    if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+	perror("bind");
+	return 1;
+    }
+#if 0
+    if (write(s, "abc", 4) < 0) {
+	perror("write");
+	return 1;
+    }
+#endif
+    if (writev(s, bufs, sizeof(bufs)/sizeof(*bufs)) < 0) {
+	perror("writev");
+	return 1;
+    }
+    if ((nbytes = read(s, buf, 4096)) < 0) {
+	perror("read");
+	return 1;
+    } else {
+	printf("%d bytes read\n", nbytes);
+	for (i = 0; i < nbytes; i++) {
+	    printf(" %02x", buf[i]);
+	    if (i % 16 == 15 || i == nbytes - 1)
+		putchar('\n');
+	}
+    }    
+
+    return 0;
+}