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authormiau <miaukatzemiau@priveasy.de>2011-07-11 11:24:52 (GMT)
committermiau <miaukatzemiau@priveasy.de>2011-07-11 11:24:52 (GMT)
commit635965049bfd8172adae73557c17cd19f6ea5964 (patch)
tree699a14c4c1b1897254d6f92d97f663b1d41f8cc9 /broadcaster.c
parentefaa21a4adc37dfa67b70926cc1b9b1d7ecc9768 (diff)
corrected OpenWRT makefile
builds now when placed in backfire/package untested if used with feeds
Diffstat (limited to 'broadcaster.c')
-rw-r--r--broadcaster.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/broadcaster.c b/broadcaster.c
deleted file mode 100644
index 9c02f79..0000000
--- a/broadcaster.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
-** broadcaster.c -- a datagram "client" like talker.c, except
-** this one can broadcast
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#include "common.h"
-
-int main(int argc, char *argv[])
-{
- int sockfd;
- struct sockaddr_in their_addr; // connector's address information
- struct hostent *he;
- int numbytes;
- int broadcast = 1;
-
- // assemble packet
- if (argc < 3 || argc > 4) {
- fprintf(stderr,"usage: broadcaster hostname task [message]\n");
- exit(1);
- }
- char buf[MAXBUFLEN],
- *task = argv[2],
- *message = (argc == 4) ? argv[3] : NULL;
- int task_len = strlen(task),
- total_len = task_len + 1 + strlen(message);
- if (total_len > MAXBUFLEN) {
- fprintf(stderr,"payload to long: max %d bytes, was %d\n", MAXBUFLEN, total_len);
- exit(1);
- }
- strcpy(buf, task);
- buf[task_len] = 0;
- strcpy(buf + 1 + task_len, message);
-
- if ((he=gethostbyname(argv[1])) == NULL) { // get the host info
- perror("gethostbyname");
- exit(1);
- }
-
- if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
- perror("socket");
- exit(1);
- }
-
- // this call is what allows broadcast packets to be sent:
- if (setsockopt(sockfd, SOL_SOCKET, SO_BROADCAST, &broadcast,
- sizeof broadcast) == -1) {
- perror("setsockopt (SO_BROADCAST)");
- exit(1);
- }
-
- their_addr.sin_family = AF_INET; // host byte order
- their_addr.sin_port = htons(SERVERPORT); // short, network byte order
- their_addr.sin_addr = *((struct in_addr *)he->h_addr);
- memset(their_addr.sin_zero, '\0', sizeof their_addr.sin_zero);
-
- if ((numbytes=sendto(sockfd, buf, total_len, 0,
- (struct sockaddr *)&their_addr, sizeof their_addr)) == -1) {
- perror("sendto");
- exit(1);
- }
-
- return 0;
-}
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