static void gen_message(Octstr *out) {
static int send_seq = 0;
unsigned char dest[21];
unsigned char orig[21];
unsigned char scts[TIMESTAMP_MAXLEN];
unsigned char message[481];
unsigned char udh[281];
if (awaiting_response == 1)
return;
random_address(dest, sizeof(dest));
random_address(orig, sizeof(orig));
make_timestamp(scts, time(NULL));
random_message(message, sizeof(message));
if (random() % 2 == 0)
random_hex(udh, sizeof(udh));
else
*udh = 0;
if (logging == LOG_packets)
printf("SND: Deliver message (random)\n");
if (*udh) {
send_packet(out, 20, send_seq,
21, dest,
23, orig,
60, scts,
32, udh,
33, message,
0);
} else {
send_packet(out, 20, send_seq,
21, dest,
23, orig,
60, scts,
33, message,
0);
}
send_seq += 2;
if (send_seq > 255)
send_seq = 0;
awaiting_response = 1;
}
TEST_F(dht_routing_test, TestDhtRestart) {
// insert some nodes
for (int i = 0; i < 10; ++i) {
DhtPeerID p;
p.id = random_id();
p.addr = random_address();
DhtPeer* k = impl->Update(p, IDht::DHT_ORIGIN_INCOMING, true, 500);
EXPECT_TRUE(k) << "a DHT node failed to be inserted";
}
impl->Restart();
}
TEST_F(dht_routing_test, TestRoutingTable) {
// insert 128 random IDs uniformly distributed
// all RTTs are 500, later we'll test to make sure we can replace
// them with lower RTT nodes
for (int i = 0; i < 256; ++i) {
DhtID id = random_id();
id.id[0] = (uint(i) << 24) | 0xffffff;
DhtPeerID p;
p.id = id;
p.addr = random_address();
DhtPeer* k = impl->Update(p, IDht::DHT_ORIGIN_INCOMING, true, 500);
EXPECT_TRUE(k) << "a DHT node failed to be inserted";
}
EXPECT_EQ(256, impl->GetNumPeers()) <<
"the number of nodes is not the number we inserted";
EXPECT_EQ(32, impl->NumBuckets()) <<
"the number buckets is supposed to be 32 still";
// now, split the bucket
DhtID id = random_id();
// copy just the 8 most significant bits from our ID
uint mask = 0xffffffff >> 8;
id.id[0] &= mask;
id.id[0] |= my_id.id[0] & ~mask;
DhtPeerID p;
p.id = id;
p.addr = random_address();
impl->Update(p, IDht::DHT_ORIGIN_INCOMING, true, 500);
EXPECT_EQ(33, impl->NumBuckets()) <<
"the number buckets is supposed to be 33";
// TODO: somehow assert that there are 14 nodes in bucket 1 and 128 nodes
// in bucket 0
}
void get_ieee_node_identifier(uuid_node_t* node) {
init_zuid_sys_dep_once();
bool& inited(ADOBE_THREAD_LOCAL_STORAGE_ACCESS(zuid_ieee_node_inited));
adobe::uuid_node_t& saved_node(ADOBE_THREAD_LOCAL_STORAGE_ACCESS(zuid_ieee_node));
if (!inited) {
random_address(&saved_node);
inited = true;
}
*node = saved_node;
}
