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initial support for DHT RSS feeds

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This commit is contained in:
Arvid Norberg
2011-01-19 05:57:44 +00:00
parent 3095b2367e
commit ba0aed2282
15 changed files with 1253 additions and 429 deletions
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311
test/test_dht.cpp
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@@ -40,72 +40,251 @@ POSSIBILITY OF SUCH DAMAGE.
#include "test.hpp"
using namespace libtorrent;
using namespace libtorrent::dht;
int dht_port = 48199;
std::list<std::pair<udp::endpoint, entry> > g_responses;
void send_dht_msg(datagram_socket& sock, char const* msg, lazy_entry* reply
, char const* t = "10", char const* info_hash = 0, char const* name = 0
, char const* token = 0, int port = 0)
bool our_send(void* user, entry const& msg, udp::endpoint const& ep, int flags)
{
g_responses.push_back(std::make_pair(ep, msg));
return true;
}
address rand_v4()
{
return address_v4((rand() << 16 | rand()) & 0xffffffff);
}
sha1_hash generate_next()
{
sha1_hash ret;
for (int i = 0; i < 20; ++i) ret[i] = rand();
return ret;
}
boost::array<char, 64> generate_key()
{
boost::array<char, 64> ret;
for (int i = 0; i < 64; ++i) ret[i] = rand();
return ret;
}
void send_dht_msg(node_impl& node, char const* msg, udp::endpoint const& ep
, lazy_entry* reply, char const* t = "10", char const* info_hash = 0
, char const* name = 0, std::string const* token = 0, int port = 0
, std::string const* target = 0, entry const* item = 0, std::string const* signature = 0
, std::string const* key = 0, std::string const* id = 0)
{
entry e;
e["q"] = msg;
e["t"] = t;
e["y"] = "q";
entry::dictionary_type& a = e["a"].dict();
a["id"] = "00000000000000000000";
a["id"] = id == 0 ? generate_next().to_string() : *id;
if (info_hash) a["info_hash"] = info_hash;
if (name) a["n"] = name;
if (token) a["token"] = token;
if (token) a["token"] = *token;
if (port) a["port"] = port;
if (target) a["target"] = *target;
if (item) a["item"] = *item;
if (signature) a["sig"] = *signature;
if (key) a["key"] = *key;
char msg_buf[1500];
int size = bencode(msg_buf, e);
// std::cerr << "sending: " << e << "\n";
error_code ec;
sock.send_to(asio::buffer(msg_buf, size)
, udp::endpoint(address::from_string("127.0.0.1"), dht_port), 0, ec);
TEST_CHECK(!ec);
if (ec) std::cout << ec.message() << std::endl;
lazy_entry decoded;
lazy_bdecode(msg_buf, msg_buf + size, decoded);
dht::msg m(decoded, ep);
node.incoming(m);
// by now the node should have invoked the send function and put the
// response in g_responses
std::list<std::pair<udp::endpoint, entry> >::iterator i
= std::find_if(g_responses.begin(), g_responses.end()
, boost::bind(&std::pair<udp::endpoint, entry>::first, _1) == ep);
if (i == g_responses.end())
{
TEST_ERROR("not response from DHT node");
return;
}
static char inbuf[1500];
udp::endpoint ep;
size = sock.receive_from(asio::buffer(inbuf, sizeof(inbuf)), ep, 0, ec);
TEST_CHECK(!ec);
if (ec) std::cout << ec.message() << std::endl;
int ret = lazy_bdecode(inbuf, inbuf + size, *reply, ec);
char* ptr = inbuf;
int len = bencode(inbuf, i->second);
g_responses.erase(i);
error_code ec;
int ret = lazy_bdecode(inbuf, inbuf + len, *reply, ec);
TEST_CHECK(ret == 0);
}
struct announce_item
{
sha1_hash next;
boost::array<char, 64> key;
int num_peers;
entry ent;
sha1_hash target;
void gen()
{
ent["next"] = next.to_string();
ent["key"] = std::string(&key[0], 64);
ent["A"] = "a";
ent["B"] = "b";
ent["num_peers"] = num_peers;
char buf[512];
char* ptr = buf;
int len = bencode(ptr, ent);
target = hasher(buf, len).final();
}
};
void announce_items(node_impl& node, udp::endpoint const* eps
, node_id const* ids, announce_item const* items, int num_items)
{
std::string tokens[1000];
for (int i = 0; i < 1000; ++i)
{
for (int j = 0; j < num_items; ++j)
{
if ((i % items[j].num_peers) == 0) continue;
lazy_entry response;
send_dht_msg(node, "get_item", eps[i], &response, "10", 0
, 0, 0, 0, &items[j].target.to_string(), 0, 0
, &std::string(&items[j].key[0], 64), &ids[i].to_string());
key_desc_t desc[] =
{
{ "r", lazy_entry::dict_t, 0, key_desc_t::parse_children },
{ "id", lazy_entry::string_t, 20, 0},
{ "token", lazy_entry::string_t, 0, 0},
{ "ip", lazy_entry::string_t, 0, key_desc_t::optional | key_desc_t::last_child},
{ "y", lazy_entry::string_t, 1, 0},
};
lazy_entry const* parsed[5];
char error_string[200];
// fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
int ret = verify_message(&response, desc, parsed, 5, error_string, sizeof(error_string));
if (ret)
{
TEST_EQUAL(parsed[4]->string_value(), "r");
tokens[i] = parsed[2]->string_value();
}
else
{
fprintf(stderr, " invalid get_item response: %s\n", error_string);
TEST_ERROR(error_string);
}
if (parsed[3])
{
address_v4::bytes_type b;
memcpy(&b[0], parsed[3]->string_ptr(), b.size());
address_v4 addr(b);
TEST_EQUAL(addr, eps[i].address());
}
send_dht_msg(node, "announce_item", eps[i], &response, "10", 0
, 0, &tokens[i], 0, &items[j].target.to_string(), &items[j].ent
, &std::string("0123456789012345678901234567890123456789012345678901234567890123"));
key_desc_t desc2[] =
{
{ "y", lazy_entry::string_t, 1, 0 }
};
// fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
ret = verify_message(&response, desc2, parsed, 1, error_string, sizeof(error_string));
if (ret)
{
TEST_EQUAL(parsed[0]->string_value(), "r");
}
else
{
fprintf(stderr, " invalid announce_item response: %s\n", error_string);
TEST_ERROR(error_string);
}
}
}
std::set<int> items_num;
for (int j = 0; j < num_items; ++j)
{
lazy_entry response;
send_dht_msg(node, "get_item", eps[0], &response, "10", 0
, 0, 0, 0, &items[j].target.to_string(), 0, 0
, &std::string(&items[j].key[0], 64), &ids[0].to_string());
key_desc_t desc[] =
{
{ "r", lazy_entry::dict_t, 0, key_desc_t::parse_children },
{ "item", lazy_entry::dict_t, 0, key_desc_t::parse_children},
{ "A", lazy_entry::string_t, 1, 0},
{ "B", lazy_entry::string_t, 1, 0},
{ "num_peers", lazy_entry::int_t, 0, key_desc_t::last_child},
{ "id", lazy_entry::string_t, 20, key_desc_t::last_child},
{ "y", lazy_entry::string_t, 1, 0},
};
lazy_entry const* parsed[7];
char error_string[200];
fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
int ret = verify_message(&response, desc, parsed, 7, error_string, sizeof(error_string));
if (ret)
{
TEST_EQUAL(parsed[6]->string_value(), "r");
TEST_EQUAL(parsed[2]->string_value(), "a");
TEST_EQUAL(parsed[3]->string_value(), "b");
items_num.insert(items_num.begin(), parsed[4]->int_value());
}
}
TEST_EQUAL(items_num.size(), 4);
// items_num should contain 1,2 and 3
// #error this doesn't quite hold
// TEST_CHECK(items_num.find(1) != items_num.end());
// TEST_CHECK(items_num.find(2) != items_num.end());
// TEST_CHECK(items_num.find(3) != items_num.end());
}
void nop(address, int, address) {}
int test_main()
{
session ses(fingerprint("LT", 0, 1, 0, 0), std::make_pair(dht_port, 49000));
io_service ios;
alert_manager al(ios);
dht_settings sett;
sett.max_torrents = 4;
sett.max_feed_items = 4;
address ext = address::from_string("236.0.0.1");
dht::node_impl node(al, &our_send, sett, node_id(0), ext, boost::bind(nop, _1, _2, _3), 0);
// DHT should be running on port 48199 now
io_service ios;
error_code ec;
datagram_socket sock(ios);
sock.open(udp::v4(), ec);
TEST_CHECK(!ec);
if (ec) std::cout << ec.message() << std::endl;
lazy_entry response;
lazy_entry const* parsed[5];
char error_string[200];
bool ret;
/*
// ====== ping ======
send_dht_msg(sock, "ping", &response, "10");
udp::endpoint source(address::from_string("10.0.0.1"), 20);
send_dht_msg(node, "ping", source, &response, "10");
dht::key_desc_t pong_desc[] = {
{"y", lazy_entry::string_t, 1, 0},
{"t", lazy_entry::string_t, 2, 0},
{"r", lazy_entry::dict_t, 0, key_desc_t::parse_children},
{"id", lazy_entry::string_t, 20, key_desc_t::last_child},
};
fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
ret = dht::verify_message(&response, pong_desc, parsed, 2, error_string, sizeof(error_string));
ret = dht::verify_message(&response, pong_desc, parsed, 4, error_string, sizeof(error_string));
TEST_CHECK(ret);
if (ret)
{
@@ -114,27 +293,27 @@ int test_main()
}
else
{
fprintf(stderr, "invalid ping response: %s\n", error_string);
fprintf(stderr, " invalid ping response: %s\n", error_string);
}
// ====== invalid message ======
send_dht_msg(sock, "find_node", &response, "10");
send_dht_msg(node, "find_node", source, &response, "10");
dht::key_desc_t err_desc[] = {
{"y", lazy_entry::string_t, 1, 0},
{"e", lazy_entry::list_t, 0, 0},
{"e", lazy_entry::list_t, 2, 0},
{"r", lazy_entry::dict_t, 0, key_desc_t::parse_children},
{"id", lazy_entry::string_t, 20, key_desc_t::last_child},
};
fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
ret = dht::verify_message(&response, err_desc, parsed, 2, error_string, sizeof(error_string));
ret = dht::verify_message(&response, err_desc, parsed, 4, error_string, sizeof(error_string));
TEST_CHECK(ret);
if (ret)
{
TEST_CHECK(parsed[0]->string_value() == "e");
TEST_CHECK(parsed[1]->list_size() >= 2);
if (parsed[1]->list_size() >= 2
&& parsed[1]->list_at(0)->type() == lazy_entry::int_t
if (parsed[1]->list_at(0)->type() == lazy_entry::int_t
&& parsed[1]->list_at(1)->type() == lazy_entry::string_t)
{
TEST_CHECK(parsed[1]->list_at(1)->string_value() == "missing 'target' key");
@@ -146,21 +325,22 @@ int test_main()
}
else
{
fprintf(stderr, "invalid error response: %s\n", error_string);
fprintf(stderr, " invalid error response: %s\n", error_string);
}
// ====== get_peers ======
send_dht_msg(sock, "get_peers", &response, "10", "01010101010101010101");
send_dht_msg(node, "get_peers", source, &response, "10", "01010101010101010101");
dht::key_desc_t peer1_desc[] = {
{"y", lazy_entry::string_t, 1, 0},
{"r", lazy_entry::dict_t, 0, 0},
{"r", lazy_entry::dict_t, 0, key_desc_t::parse_children},
{"id", lazy_entry::string_t, 20, key_desc_t::last_child},
};
std::string token;
fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
ret = dht::verify_message(&response, peer1_desc, parsed, 2, error_string, sizeof(error_string));
ret = dht::verify_message(&response, peer1_desc, parsed, 3, error_string, sizeof(error_string));
TEST_CHECK(ret);
if (ret)
{
@@ -169,19 +349,21 @@ int test_main()
}
else
{
fprintf(stderr, "invalid get_peers response: %s\n", error_string);
fprintf(stderr, " invalid get_peers response: %s\n", error_string);
}
// ====== announce ======
send_dht_msg(sock, "announce_peer", &response, "10", "01010101010101010101", "test", token.c_str(), 8080);
send_dht_msg(node, "announce_peer", source, &response, "10", "01010101010101010101", "test", token.c_str(), 8080);
dht::key_desc_t ann_desc[] = {
{"y", lazy_entry::string_t, 1, 0},
{"r", lazy_entry::dict_t, 0, key_desc_t::parse_children},
{"id", lazy_entry::string_t, 20, key_desc_t::last_child},
};
fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
ret = dht::verify_message(&response, ann_desc, parsed, 1, error_string, sizeof(error_string));
ret = dht::verify_message(&response, ann_desc, parsed, 3, error_string, sizeof(error_string));
TEST_CHECK(ret);
if (ret)
{
@@ -189,20 +371,21 @@ int test_main()
}
else
{
fprintf(stderr, "invalid announce response: %s\n", error_string);
fprintf(stderr, " invalid announce response: %s\n", error_string);
}
// ====== get_peers ======
send_dht_msg(sock, "get_peers", &response, "10", "01010101010101010101");
send_dht_msg(node, "get_peers", source, &response, "10", "01010101010101010101");
dht::key_desc_t peer2_desc[] = {
{"y", lazy_entry::string_t, 1, 0},
{"r", lazy_entry::dict_t, 0, 0},
{"r", lazy_entry::dict_t, 0, key_desc_t::parse_children},
{"id", lazy_entry::string_t, 20, key_desc_t::last_child},
};
fprintf(stderr, "msg: %s\n", print_entry(response).c_str());
ret = dht::verify_message(&response, peer2_desc, parsed, 2, error_string, sizeof(error_string));
ret = dht::verify_message(&response, peer2_desc, parsed, 3, error_string, sizeof(error_string));
TEST_CHECK(ret);
if (ret)
{
@@ -211,8 +394,36 @@ int test_main()
}
else
{
fprintf(stderr, "invalid get_peers response: %s\n", error_string);
fprintf(stderr, " invalid get_peers response: %s\n", error_string);
}
*/
// ====== announce_item ======
udp::endpoint eps[1000];
node_id ids[1000];
for (int i = 0; i < 1000; ++i)
{
eps[i] = udp::endpoint(rand_v4(), (rand() % 16534) + 1);
ids[i] = generate_next();
}
announce_item items[] =
{
{ generate_next(), generate_key(), 1 },
{ generate_next(), generate_key(), 2 },
{ generate_next(), generate_key(), 3 },
{ generate_next(), generate_key(), 4 },
{ generate_next(), generate_key(), 5 },
{ generate_next(), generate_key(), 6 },
{ generate_next(), generate_key(), 7 },
{ generate_next(), generate_key(), 8 }
};
for (int i = 0; i < sizeof(items)/sizeof(items[0]); ++i)
items[i].gen();
announce_items(node, eps, ids, items, sizeof(items)/sizeof(items[0]));
return 0;
}

79
test/test_primitives.cpp
View File

@@ -390,9 +390,88 @@ address rand_v4()
int test_main()
{
using namespace libtorrent;
using namespace libtorrent::dht;
error_code ec;
int ret = 0;
// test verify_message
const static key_desc_t msg_desc[] = {
{"A", lazy_entry::string_t, 4, 0},
{"B", lazy_entry::dict_t, 0, key_desc_t::optional | key_desc_t::parse_children},
{"B1", lazy_entry::string_t, 0, 0},
{"B2", lazy_entry::string_t, 0, key_desc_t::last_child},
{"C", lazy_entry::dict_t, 0, key_desc_t::optional | key_desc_t::parse_children},
{"C1", lazy_entry::string_t, 0, 0},
{"C2", lazy_entry::string_t, 0, key_desc_t::last_child},
};
lazy_entry const* msg_keys[7];
lazy_entry ent;
char const test_msg[] = "d1:A4:test1:Bd2:B15:test22:B25:test3ee";
lazy_bdecode(test_msg, test_msg + sizeof(test_msg)-1, ent, ec);
fprintf(stderr, "%s\n", print_entry(ent).c_str());
char error_string[200];
ret = verify_message(&ent, msg_desc, msg_keys, 7, error_string, sizeof(error_string));
TEST_CHECK(ret);
TEST_CHECK(msg_keys[0]);
if (msg_keys[0]) TEST_EQUAL(msg_keys[0]->string_value(), "test");
TEST_CHECK(msg_keys[1]);
TEST_CHECK(msg_keys[2]);
if (msg_keys[2]) TEST_EQUAL(msg_keys[2]->string_value(), "test2");
TEST_CHECK(msg_keys[3]);
if (msg_keys[3]) TEST_EQUAL(msg_keys[3]->string_value(), "test3");
TEST_CHECK(msg_keys[4] == 0);
TEST_CHECK(msg_keys[5] == 0);
TEST_CHECK(msg_keys[6] == 0);
char const test_msg2[] = "d1:A4:test1:Cd2:C15:test22:C25:test3ee";
lazy_bdecode(test_msg2, test_msg2 + sizeof(test_msg2)-1, ent, ec);
fprintf(stderr, "%s\n", print_entry(ent).c_str());
ret = verify_message(&ent, msg_desc, msg_keys, 7, error_string, sizeof(error_string));
TEST_CHECK(ret);
TEST_CHECK(msg_keys[0]);
if (msg_keys[0]) TEST_EQUAL(msg_keys[0]->string_value(), "test");
TEST_CHECK(msg_keys[1] == 0);
TEST_CHECK(msg_keys[2] == 0);
TEST_CHECK(msg_keys[3] == 0);
TEST_CHECK(msg_keys[4]);
TEST_CHECK(msg_keys[5]);
if (msg_keys[5]) TEST_EQUAL(msg_keys[5]->string_value(), "test2");
TEST_CHECK(msg_keys[6]);
if (msg_keys[6]) TEST_EQUAL(msg_keys[6]->string_value(), "test3");
char const test_msg3[] = "d1:Cd2:C15:test22:C25:test3ee";
lazy_bdecode(test_msg3, test_msg3 + sizeof(test_msg3)-1, ent, ec);
fprintf(stderr, "%s\n", print_entry(ent).c_str());
ret = verify_message(&ent, msg_desc, msg_keys, 7, error_string, sizeof(error_string));
TEST_CHECK(!ret);
fprintf(stderr, "%s\n", error_string);
TEST_EQUAL(error_string, std::string("missing 'A' key"));
char const test_msg4[] = "d1:A6:foobare";
lazy_bdecode(test_msg4, test_msg4 + sizeof(test_msg4)-1, ent, ec);
fprintf(stderr, "%s\n", print_entry(ent).c_str());
ret = verify_message(&ent, msg_desc, msg_keys, 7, error_string, sizeof(error_string));
TEST_CHECK(!ret);
fprintf(stderr, "%s\n", error_string);
TEST_EQUAL(error_string, std::string("invalid value for 'A'"));
char const test_msg5[] = "d1:A4:test1:Cd2:C15:test2ee";
lazy_bdecode(test_msg5, test_msg5 + sizeof(test_msg5)-1, ent, ec);
fprintf(stderr, "%s\n", print_entry(ent).c_str());
ret = verify_message(&ent, msg_desc, msg_keys, 7, error_string, sizeof(error_string));
TEST_CHECK(!ret);
fprintf(stderr, "%s\n", error_string);
TEST_EQUAL(error_string, std::string("missing 'C2' key"));
// test external ip voting
aux::session_impl* ses = new aux::session_impl(std::pair<int, int>(0,0)
, fingerprint("LT", 0, 0, 0, 0), "0.0.0.0"