Check for empty source or destination list.

[jam] / jam.c

diff --git a/jam.c b/jam.c
index a80246a1ca5553243d38ab8d6b7c36d9658fbe60..f6c30075a19c451f71abf7ffb35b770bd97cf637 100644 (file)
--- a/jam.c
+++ b/jam.c
@@ -9,11 +9,17 @@
 #include <netinet/in.h>
 
 unsigned short port = 2007;
+
 struct in_addr *destinations = NULL;
 unsigned num_destinations = 0;
 unsigned room_destinations = 0;
 
+struct in_addr *sources = NULL;
+unsigned num_sources = 0;
+unsigned room_sources = 0;
+
 const static struct option longopts[] = {
+       { "source-file", required_argument, NULL, 's' },
        { "destination-file", required_argument, NULL, 'd' },
        { "port", required_argument, NULL, 'p' },
        { NULL, 0, NULL, 0 }
@@ -79,8 +85,11 @@ void parse_options(int argc, char **argv)
        int option_index = 0;
 
        for ( ;; ) {
-               int c = getopt_long(argc, argv, "d:p:", longopts, &option_index); 
+               int c = getopt_long(argc, argv, "s:d:p:", longopts, &option_index); 
                switch (c) {
+               case 's':
+                       read_ip_list(optarg, &sources, &num_sources, &room_sources);
+                       break;
                case 'd':
                        read_ip_list(optarg, &destinations, &num_destinations, &room_destinations);
                        break;
@@ -160,6 +169,11 @@ int main(int argc, char **argv)
        int server_sock;
 
        parse_options(argc, argv);
+
+       if (destinations == NULL || sources == NULL) {
+               fprintf(stderr, "Missing or empty source or destination host list. Aborting.\n");
+       }
+
        server_sock = get_server_socket(port);
 
        // FIXME: fire off sender workers here