int main(int argc, char *argv[]) {
if (argc < 2) {
fprintf(stderr, "Usage: %s <interface> [whitelist]\n", argv[0]);
return 1;
}
struct timeval start_timeval;
gettimeofday(&start_timeval, NULL);
start_timestamp_microseconds
= start_timeval.tv_sec * NUM_MICROS_PER_SECOND + start_timeval.tv_usec;
initialize_bismark_id();
if (argc < 3 || initialize_domain_whitelist(argv[2])) {
fprintf(stderr, "Error loading domain whitelist; whitelisting disabled.\n");
}
#ifndef DISABLE_ANONYMIZATION
if (anonymization_init()) {
fprintf(stderr, "Error initializing anonymizer\n");
return 1;
}
#endif
#ifdef ENABLE_FREQUENT_UPDATES
if (anonymize_mac(bismark_mac, bismark_mac)) {
fprintf(stderr, "Error anonymizing router MAC address\n");
}
#endif
packet_series_init(&packet_data);
flow_table_init(&flow_table);
dns_table_init(&dns_table, &domain_whitelist);
#ifdef ENABLE_HTTP_URL
http_table_init(&http_table);
#endif
address_table_init(&address_table);
drop_statistics_init(&drop_statistics);
#ifdef ENABLE_FREQUENT_UPDATES
device_throughput_table_init(&device_throughput_table);
#endif
upload_failures_init(&upload_failures, UPLOAD_FAILURES_FILENAME);
initialize_signal_handler();
set_next_alarm();
/* By default, pcap uses an internal buffer of 500 KB. Any packets that
* overflow this buffer will be dropped. pcap_stats tells the number of
* dropped packets.
*
* Because pcap does its own buffering, we don't need to run packet
* processing in a separate thread. (It would be easier to just increase
* the buffer size if we experience performance problems.) */
pcap_handle = initialize_pcap(argv[1]);
if (!pcap_handle) {
return 1;
}
return pcap_loop(pcap_handle, -1, process_packet, NULL);
}
int main(int argc, char *argv[]) {
if (argc < 2) {
fprintf(stderr, "Usage: %s <interface> [whitelist]\n", argv[0]);
return 1;
}
struct timeval start_timeval;
gettimeofday(&start_timeval, NULL);
start_timestamp_microseconds
= start_timeval.tv_sec * NUM_MICROS_PER_SECOND + start_timeval.tv_usec;
if (initialize_bismark_id()) {
return 1;
}
if (argc < 3 || initialize_domain_whitelist(argv[2])) {
fprintf(stderr, "Error loading domain whitelist; whitelisting disabled.\n");
}
#ifndef DISABLE_ANONYMIZATION
if (anonymization_init()) {
fprintf(stderr, "Error initializing anonymizer\n");
return 1;
}
#endif
packet_series_init(&packet_data);
flow_table_init(&flow_table);
dns_table_init(&dns_table, &domain_whitelist);
address_table_init(&address_table);
drop_statistics_init(&drop_statistics);
#ifdef ENABLE_FREQUENT_UPDATES
device_throughput_table_init(&device_throughput_table);
#endif
if (pthread_mutex_init(&update_lock, NULL)) {
perror("Error initializing mutex");
return 1;
}
sigset_t signal_set;
sigemptyset(&signal_set);
sigaddset(&signal_set, SIGINT);
sigaddset(&signal_set, SIGTERM);
if (pthread_sigmask(SIG_BLOCK, &signal_set, NULL)) {
perror("Error calling pthread_sigmask");
return 1;
}
if (pthread_create(&signal_thread, NULL, handle_signals, &signal_set)) {
perror("Error creating signal handling thread");
return 1;
}
if (pthread_create(&update_thread, NULL, updater, NULL)) {
perror("Error creating updates thread");
return 1;
}
#ifdef ENABLE_FREQUENT_UPDATES
if (pthread_create(&frequent_update_thread, NULL, frequent_updater, NULL)) {
perror("Error creating frequent updates thread");
return 1;
}
#endif
/* By default, pcap uses an internal buffer of 500 KB. Any packets that
* overflow this buffer will be dropped. pcap_stats tells the number of
* dropped packets.
*
* Because pcap does its own buffering, we don't need to run packet
* processing in a separate thread. (It would be easier to just increase
* the buffer size if we experience performance problems.) */
pcap_handle = initialize_pcap(argv[1]);
if (!pcap_handle) {
return 1;
}
return pcap_loop(pcap_handle, -1, process_packet, NULL);
}