int main(int argc, char **argv)
{
struct producer_config pc;
struct consumer_config cc;
struct flow_table flowtable;
pthread_t tid[4];
if (argc != 2) {
fprintf(stderr, "usage: %s <model-file>\n", argv[0]);
return STATUS_ERROR;
}
if (setup_packet_capture(&pc, SENSOR_NETFILTER) != STATUS_OK) {
fprintf(stderr, "%s: could not setup packet capture interface!\n", argv[0]);
return STATUS_ERROR;
}
if (listen_for_requests(&cc, SENSOR_LISTEN_PORT) != STATUS_OK) {
fprintf(stderr, "%s: error listening for client requests!\n", argv[0]);
return STATUS_ERROR;
}
if ((cc.model = svm_load_model(argv[1])) == 0) {
fprintf(stderr, "%s: could not open model file %s\n", argv[0], argv[1]);
return STATUS_ERROR;
}
/* everything is sent in network byte order */
cc.n_max_payload = htonl(PAYLOAD_BUFFER_LENGTH);
/* initialize tables and stuff */
flowtable_init(&flowtable, FLOWTABLE_BUCKETS, FLOWTABLE_RECORDS);
cc.keep_going = &keep_going;
pc.keep_going = &keep_going;
cc.flowtable = &flowtable;
pc.flowtable = &flowtable;
if ((cc.x = (struct svm_node *)malloc(max_nr_attr * sizeof(struct svm_node))) == NULL) {
fprintf(stderr, "%s: could not allocate memory for classifier!\n", argv[0]);
flowtable_finit(&flowtable);
svm_destroy_model(cc.model);
close_pcap_interface(&pc.pcap);
return STATUS_ERROR;
}
signal(SIGINT, siginthandler);
signal(SIGPIPE, SIG_IGN);
/* let the games begin! */
if (pthread_create(&tid[0], NULL, produce_flowtable, (void *)&pc) != 0) {
fprintf(stderr, "%s: could not spawn thread!\n", argv[0]);
return STATUS_ERROR;
}
if (pthread_create(&tid[1], NULL, accept_connections_for_flows, (void *)&cc) != 0) {
fprintf(stderr, "%s: could not spawn thread\n", argv[0]);
return STATUS_ERROR;
}
consume_flowtable((void *)&cc);
flowtable_finit(&flowtable);
print_pcap_stats(stderr, &pc.pcap);
close_pcap_interface(&pc.pcap);
return STATUS_OK;
}
int main(int argc, char **argv)
{
struct producer_config pc;
struct consumer_config cc;
struct flow_table flowtable;
pthread_t tid[4];
int i;
if (argc != 2) {
fprintf(stderr, "Usage: %s <network_interface>\n", argv[0]);
fprintf(stderr, "For example: %s eth0\n", argv[0]);
fprintf(stderr, "\t see %s for results\n", EU_LOG);
return ERROR;
}
if(setup_packet_capture(&pc, argv[1], NETFILTER) != 0){
fprintf(stderr, "%s: error setting up packet capture interface!\n", argv[0]);
return ERROR;
}
if(listen_for_requests(&cc, SERVER_PORT) != 0){
fprintf(stderr, "%s: error listening for client requests!\n", argv[0]);
return ERROR;
}
if ((cc.model = svm_load_model(model_file)) == 0) {
fprintf(stderr, "could not open model file %s\n", model_file);
return ERROR;
}
signal(SIGINT, siginthandler);
signal(SIGPIPE, SIG_IGN);
#ifdef EU_STATS
signal(SIGALRM, sigalarmhandler);
alarm(STAT_TIME);
memset(&stats, 0, sizeof(struct eu_stats));
cc.stats= &stats; pc.stats= &stats;
pthread_mutex_init(&(update_mutex), NULL);
cc.update_mutex= &update_mutex; pc.update_mutex= &update_mutex;
#endif
/* everything is sent in network byte order */
cc.n_max_payload = htonl(MAX_PAYLOAD);
/* initialize tables and stuff */
flowtable_init(&flowtable, FLOW_ENTRIES);
cc.keep_going= &keep_going; pc.keep_going= &keep_going;
cc.flowtable= &flowtable; pc.flowtable= &flowtable;
if ((cc.x =
(struct svm_node *)malloc(max_nr_attr *
sizeof(struct svm_node))) == NULL) {
fprintf(stderr, "could not allocate memory for svm_node!\n");
flowtable_finit(&flowtable);
svm_destroy_model(cc.model);
close_pcap_interface(&pc.pcap);
return 1;
}
/* let the games begin! */
if (pthread_create(&tid[0], NULL, accept_connections_for_flows, (void *)&cc) != 0) {
fprintf(stderr, "%s: could not spawn thread\n", argv[0]);
return ERROR;
}
if (pthread_create(&tid[1], NULL, produce_flowtable, (void *)&pc) != 0) {
fprintf(stderr, "could not spawn thread\n");
return ERROR;
}
consume_flowtable(&cc);
fprintf(stderr, "waiting for threads to quit....\n");
/* done with everything */
for(i=0; i < 2; ++i)
if (pthread_join(tid[i], NULL) != 0)
fprintf(stderr, "%s: error waiting for thread %ld\n", argv[0], tid[i]);
svm_destroy_model(cc.model);
flowtable_finit(&flowtable);
print_pcap_stats(stdout, &pc.pcap);
close_pcap_interface(&pc.pcap);
return 0;
}
int main(int argc, char **argv)
{
struct producer_config pc;
struct consumer_config cc;
struct flow_table flowtable;
pthread_t tid[4];
if (argc != 2) {
fprintf(stderr, "usage: %s <model-file>\n", argv[0]);
return ERROR;
}
if (setup_packet_capture(&pc, NETFILTER) != 0) {
fprintf(stderr,
"%s: error setting up packet capture interface!\n",
argv[0]);
return ERROR;
}
if (listen_for_requests(&cc, SERVER_PORT) != 0) {
fprintf(stderr, "%s: error listening for client requests!\n",
argv[0]);
return ERROR;
}
if ((cc.model = svm_load_model(argv[1])) == 0) {
fprintf(stderr, "could not open model file %s\n", argv[1]);
return ERROR;
}
/* everything is sent in network byte order */
cc.n_max_payload = htonl(MAX_PAYLOAD);
/* initialize tables and stuff */
flowtable_init(&flowtable, FLOW_ENTRIES);
cc.keep_going = &keep_going;
pc.keep_going = &keep_going;
cc.flowtable = &flowtable;
pc.flowtable = &flowtable;
if ((cc.x =
(struct svm_node *)malloc(max_nr_attr *
sizeof(struct svm_node))) == NULL) {
fprintf(stderr, "could not allocate memory for svm_node!\n");
flowtable_finit(&flowtable);
svm_destroy_model(cc.model);
close_pcap_interface(&pc.pcap);
return 1;
}
if (init_send_buffers(&cc.sb, SEND_BUFFER_SIZE, SEND_BUFFERS) != 0) {
fprintf(stderr, "could not initialize send buffers!\n");
free(cc.x);
flowtable_finit(&flowtable);
svm_destroy_model(cc.model);
close_pcap_interface(&pc.pcap);
return 1;
}
signal(SIGINT, siginthandler);
signal(SIGPIPE, SIG_IGN);
/* let the games begin! */
if (pthread_create(&tid[0], NULL, produce_flowtable, (void *)&pc) != 0) {
fprintf(stderr, "could not spawn thread\n");
return ERROR;
}
if (pthread_create(&tid[1], NULL, consume_flowtable, (void *)&cc) != 0) {
fprintf(stderr, "could not spawn thread\n");
return ERROR;
}
if (pthread_create
(&tid[2], NULL, accept_connections_for_flows, (void *)&cc) != 0) {
fprintf(stderr, "%s: could not spawn thread\n", argv[0]);
return ERROR;
}
#if 0
if (pthread_create(&tid[3], NULL, write_to_clients, (void *)&cc) != 0) {
fprintf(stderr, "could not spawn thread\n");
return ERROR;
}
/* done with everything */
for (i = 0; i < 4; ++i)
if (pthread_join(tid[i], NULL) != 0)
fprintf(stderr, "%s: error waiting for thread %ld\n",
argv[0], tid[i]);
#endif
write_to_clients((void *)&cc);
svm_destroy_model(cc.model);
flowtable_finit(&flowtable);
print_pcap_stats(stdout, &pc.pcap);
close_pcap_interface(&pc.pcap);
return 0;
}