int
main(int argc, char* argv[]) {
int iterations = 0;
if (argc < 4) {
print_usage(argv[0]);
return 1;
}
int guid_num = atoi(argv[3]);
if (argc > 4) {
iterations = atoi(argv[4]);
}
//string server_addr_s("127.0.0.1:5001");
//string local_addr_s("192.168.1.1:3001");
string server_addr_s(argv[1]);
string local_addr_s(argv[2]);
NetAddr server_addr(NET_ADDR_TYPE_IPV4_PORT, server_addr_s);
NetAddr local_addr(NET_ADDR_TYPE_IPV4_PORT, local_addr_s);
try {
//configure service endpoints
Gnrs *gnrs = new Gnrs(server_addr, local_addr);
GUID guid = GUID();
guid.init(guid_num);
struct timeval t1, t2;
gettimeofday(&t1, NULL);
list<NetAddr> lkup_addrs = gnrs->lookup(guid);
gettimeofday(&t2, NULL);
long long delay = 1000000 * (t2.tv_sec - t1.tv_sec);
delay += t2.tv_usec - t1.tv_usec;
cout << lkup_addrs.size() << " result(s) on lookup for GUID: "
<< guid.to_int() << "( took " << delay << " us)" << endl;
int num_addrs = 0;
for (list<NetAddr>::const_iterator it = lkup_addrs.begin();
it != lkup_addrs.end(); it++) {
num_addrs++;
cout << "INFO: \t Addr #" << num_addrs << " : "
<< (*it).get_value() << endl;
}
delete(gnrs);
if (!iterations) return 0;
long long total_delay = 0;
vector<long long>delay_v;
for(int i = 0; i < iterations; i++) {
Gnrs *gnrs_heap = new Gnrs(server_addr, local_addr);
//lookup operation
gettimeofday(&t1, NULL);
lkup_addrs = gnrs_heap->lookup(guid);
gettimeofday(&t2, NULL);
delay = 1000000 * (t2.tv_sec - t1.tv_sec);
delay += t2.tv_usec - t1.tv_usec;
total_delay += delay;
delay_v.push_back(delay);
delete(gnrs_heap);
}
/* assuming idempotent, results should remain same despite iterations */
int iter = 0;
cout << "Iteration\tLatency(us)" << endl;
for (vector<long long>::const_iterator it = delay_v.begin();
it != delay_v.end(); it++) {
cout << ++iter << "\t" << *it << endl;
}
double avg_delay = total_delay / (double)(1000 * iterations);
cout <<"INFO: " << "Performed " << iterations << " lookups for GUID '"
<< guid.to_int() << "' with avg latency of "
<< avg_delay << " ms" << endl;
} catch (NetException &ne) {
cerr << "ERROR: " << ne.what() << endl;
}
return 0;
}
