void assure_key(hashmap *map, char *key) {
if(!hm_isset(map, key)) {
fprintf(stderr, "Error: Could not find the key \"%s\"\n", key);
hm_dump(map, stderr, NULL);
exit(EXIT_FAILURE);
}
}
int main(int argc, char **argv)
{
char errbuf[PCAP_ERRBUF_SIZE];
pcap_t *pcap_src = NULL;
opt_register_table(opts, NULL);
if (!opt_parse(&argc, argv, opt_log_stderr))
return 1;
if (!g_ifc_name && !g_file_name)
return err_ret("No packet source specified\n");
if (g_ifc_name && g_file_name)
return err_ret("Both file and interface source specified\n");
if (g_ifc_name)
pcap_src = pcap_open_live(g_ifc_name, PCAP_SNAPLEN_ALL,
1, -1, errbuf);
else if (g_file_name)
pcap_src = pcap_open_offline(g_file_name, errbuf);
if (!pcap_src) {
fprintf(stderr, "Couldn't open packet source: %s\n", errbuf);
return 1;
}
pcap_loop(pcap_src, PCAP_CNT_INF, packet_cb, NULL);
pcap_close(pcap_src);
if (g_dump)
dist_dump(dist1, dist2, dist_min);
if (g_hm)
hm_dump();
return 0;
}
