| | |
| | | #include <string.h> |
| | | #include <time.h> |
| | | #include "dns.h" |
| | | #include "servers.h" |
| | | #include "slist.h" |
| | | |
| | | #define NUM_TESTS 10 |
| | | |
| | | struct timespec test_server(char *dns_addr, struct hosts_list *hosts); |
| | | |
| | | int main(int argc, char** argv) |
| | | { |
| | | int option, type = T_A; |
| | | char* server = "1.1.1.1", *hostname = "google.com"; |
| | | struct hosts_list *servers_hosts = NULL; |
| | | struct dns_list *servers_dns = NULL; |
| | | while((option = getopt(argc, argv, "s:h:t:")) != -1) { |
| | | switch (option) { |
| | | case 's': //server to use |
| | | server = optarg; |
| | | add_dns_server(&servers_dns, optarg); |
| | | break; |
| | | case 'h': //hostname to search |
| | | hostname = optarg; |
| | | add_hosts_server(&servers_hosts, optarg); |
| | | break; |
| | | case 't': |
| | | if (!strcmp(optarg, "A")) { |
| | |
| | | } else if (!strcmp(optarg, "MX")) { |
| | | type = T_MX; |
| | | } else if (!strcmp(optarg, "TXT")) { |
| | | type = T_MX; |
| | | type = T_TXT; |
| | | } else { |
| | | printf("Error: %s is not a valid DNS record type\n", optarg); |
| | | free_hosts_list(&servers_hosts); |
| | | free_dns_list(&servers_dns); |
| | | exit(1); |
| | | } |
| | | break; |
| | |
| | | exit(1); |
| | | } |
| | | } |
| | | unsigned char buf[65536]; |
| | | struct timespec time; |
| | | time = resolve(buf, hostname, server, type); |
| | | printf("Request took %ld.%09lds\n", time.tv_sec, time.tv_nsec); |
| | | print_packet(buf); |
| | | struct timespec total; |
| | | total = test_server(server, servers_hosts); |
| | | printf("Test took %ld.%09lds\n", total.tv_sec, total.tv_nsec); |
| | | free_dns_list(&servers_dns); |
| | | free_hosts_list(&servers_hosts); |
| | | return 0; |
| | | } |
| | | |
| | | struct timespec test_server(char* dns_addr, struct hosts_list *hosts) |
| | | { |
| | | struct timespec total; |
| | | total.tv_sec = 0; total.tv_nsec = 0; |
| | | for (int i = 0; i < NUM_TESTS; i++) { |
| | | struct hosts_list *curr = hosts; |
| | | while (curr) { |
| | | struct timespec run; |
| | | unsigned char buf[65536]; |
| | | run = resolve(buf, curr->server, dns_addr, T_A); |
| | | total.tv_sec += run.tv_sec; |
| | | total.tv_nsec += run.tv_nsec; |
| | | if (total.tv_nsec >= 1000000000) { |
| | | total.tv_sec += 1; |
| | | total.tv_nsec -= 1000000000; |
| | | } |
| | | curr = curr->next; |
| | | } |
| | | } |
| | | return total; |
| | | } |