diff options
author | miau <miaukatzemiau@priveasy.de> | 2011-12-05 20:46:56 (GMT) |
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committer | miau <miaukatzemiau@priveasy.de> | 2011-12-05 20:46:56 (GMT) |
commit | dcce1a8d1335e89dcf9d64bb2202e34d8f58f3cd (patch) | |
tree | 12d31d3fd80edb05be8c0b19883266bd4173a382 /src/broadcaster.c | |
parent | 7563a58379c27532fe7c086881d8b6c562d28ac1 (diff) |
remove OpenWRT-specific Makefile; move src/ to /
Diffstat (limited to 'src/broadcaster.c')
-rw-r--r-- | src/broadcaster.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/src/broadcaster.c b/src/broadcaster.c deleted file mode 100644 index 66d6b58..0000000 --- a/src/broadcaster.c +++ /dev/null @@ -1,65 +0,0 @@ -/* -** broadcaster.c -- a datagram "client" like talker.c, except -** this one can broadcast -*/ - -#include "common.h" - -int main(int argc, char **argv) -{ - int fd; - struct sockaddr_in6 addr; - int broadcast = 1; - - /* assemble packet, parse cmd line */ - if (argc < 3 || argc > 4) { - fprintf(stderr, "usage: %s interface task [message|-]\n", argv[0]); - exit(1); - } - char buf[MAXBUFLEN], - *task = argv[2], - *message = (argc == 4) ? argv[3] : ""; - int task_len = strlen(task), - total_len = task_len + 1; - strcpy(buf, task); - buf[task_len] = 0; - if (strcmp(message, "-") == 0) { - /* read payload from stdin */ - int i; - while ((MAXBUFLEN - total_len - 1 > 0) - && ((i = read(0, &(buf[total_len]), MAXBUFLEN - total_len - 1)) > 0)) - total_len += i; - ENP(i, "read(stdin)"); - if (read(0, &i, 1) != 0) { - fprintf(stderr, "payload to long: max %d bytes\n", MAXBUFLEN - 1); - exit(1); - } - }else{ - /* use cmd line for payload */ - total_len += strlen(message); - if (total_len <= MAXBUFLEN) - strcpy(buf + 1 + task_len, message); - } - if (total_len > MAXBUFLEN) { - fprintf(stderr,"payload to long: max %d bytes, was %d\n", - MAXBUFLEN - 1, total_len); - exit(1); - } - - /* setup socket */ - ENP((fd = socket(AF_INET6, SOCK_DGRAM, 0)), "socket"); - addr.sin6_family = AF_INET6; - addr.sin6_port = htons(SERVERPORT); - addr.sin6_flowinfo = 0; - inet_pton(AF_INET6, "ff02::1", &(addr.sin6_addr)); - if ((addr.sin6_scope_id = if_nametoindex(argv[1])) == 0) { - fprintf(stderr, "interface not found\n"); - exit(1); - } - - /* send packet */ - ENP(sendto(fd, buf, total_len, 0, (struct sockaddr *) &addr, sizeof addr), - "sendto"); - - return 0; -} |