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extend test_peer_list

This commit is contained in:
Arvid Norberg 2015-04-12 22:29:41 +00:00
parent 208fbe8545
commit daacbbfbb4
1 changed files with 250 additions and 42 deletions
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292
test/test_peer_list.cpp
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@ -52,24 +52,24 @@ tcp::endpoint ep(char const* ip, int port)
return tcp::endpoint(address_v4::from_string(ip), port);
}
struct mock_torrent;
struct mock_peer_connection : peer_connection_interface
, boost::enable_shared_from_this<mock_peer_connection>
{
mock_peer_connection(bool out, tcp::endpoint const& ep)
mock_peer_connection(mock_torrent& tor, bool out, tcp::endpoint const& remote)
: m_choked(false)
, m_outgoing(out)
, m_tp(NULL)
, m_remote(ep)
, m_remote(remote)
, m_local(ep("127.0.0.1", 8080))
, m_disconnect_called(false)
, m_torrent(tor)
{
fprintf(stderr, "construct %p\n", this);
for (int i = 0; i < 20; ++i) m_id[i] = rand();
}
virtual ~mock_peer_connection()
{
fprintf(stderr, "destruct %p\n", this);
}
virtual ~mock_peer_connection() {}
#if defined TORRENT_LOGGING
virtual void peer_log(char const* fmt, ...) const
@ -82,24 +82,23 @@ struct mock_peer_connection : peer_connection_interface
#endif
bool was_disconnected() const { return m_disconnect_called; }
void set_local_ep(tcp::endpoint const& ep) { m_local = ep; }
libtorrent::stat m_stat;
bool m_choked;
bool m_outgoing;
torrent_peer* m_tp;
tcp::endpoint m_remote;
tcp::endpoint m_local;
peer_id m_id;
bool m_disconnect_called;
mock_torrent& m_torrent;
virtual void get_peer_info(peer_info& p) const {}
virtual tcp::endpoint const& remote() const { return m_remote; }
virtual tcp::endpoint local_endpoint() const { return ep("127.0.0.1", 8080); }
virtual tcp::endpoint local_endpoint() const { return m_local; }
virtual void disconnect(error_code const& ec
, operation_t op, int error = 0)
{
/* remove from mock_torrent list */ m_tp = 0;
m_disconnect_called = true;
}
, operation_t op, int error = 0);
virtual peer_id const& pid() const { return m_id; }
virtual void set_holepunch_mode() {}
virtual torrent_peer* peer_info_struct() const { return m_tp; }
@ -115,7 +114,7 @@ struct mock_peer_connection : peer_connection_interface
struct mock_torrent
{
mock_torrent() : m_p(NULL) {}
mock_torrent(torrent_state* st) : m_p(NULL), m_state(st) {}
virtual ~mock_torrent() {}
bool connect_to_peer(torrent_peer* peerinfo, bool ignore_limit = false)
@ -123,7 +122,8 @@ struct mock_torrent
TORRENT_ASSERT(peerinfo->connection == NULL);
if (peerinfo->connection) return false;
boost::shared_ptr<mock_peer_connection> c
= boost::make_shared<mock_peer_connection>(true, peerinfo->ip());
= boost::make_shared<mock_peer_connection>(*this, true, peerinfo->ip());
c->set_peer_info(peerinfo);
m_connections.push_back(c);
m_p->set_connection(peerinfo, c.get());
@ -141,12 +141,30 @@ struct mock_torrent
#endif
peer_list* m_p;
private:
torrent_state* m_state;
std::vector<boost::shared_ptr<mock_peer_connection> > m_connections;
};
void mock_peer_connection::disconnect(error_code const& ec
, operation_t op, int error)
{
m_torrent.m_p->connection_closed(*this, 0, m_torrent.m_state);
std::vector<boost::shared_ptr<mock_peer_connection> >::iterator i
= std::find(m_torrent.m_connections.begin(), m_torrent.m_connections.end()
, shared_from_this());
if (i != m_torrent.m_connections.end()) m_torrent.m_connections.erase(i);
m_tp = 0;
m_disconnect_called = true;
}
bool has_peer(peer_list const& p, tcp::endpoint const& ep)
{
std::pair<peer_list::const_iterator, peer_list::const_iterator> its
= p.find_peers(ep.address());
return its.first != its.second;
}
torrent_state init_state(torrent_peer_allocator& allocator
, external_ip& ext_ip)
{
@ -189,7 +207,7 @@ int test_main()
// when disallowing it
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
peer_list p;
t.m_p = &p;
TEST_EQUAL(p.num_connect_candidates(), 0);
@ -210,7 +228,7 @@ int test_main()
// when allowing it
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = true;
peer_list p;
t.m_p = &p;
@ -231,7 +249,7 @@ int test_main()
// with allow_multiple_connections_per_ip enabled
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = true;
peer_list p;
t.m_p = &p;
@ -269,7 +287,7 @@ int test_main()
// with allow_multiple_connections_per_ip disabled
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
@ -302,13 +320,13 @@ int test_main()
// and update_peer_port
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
TEST_EQUAL(p.num_connect_candidates(), 0);
boost::shared_ptr<mock_peer_connection> c
= boost::make_shared<mock_peer_connection>(true, ep("10.0.0.1", 8080));
= boost::make_shared<mock_peer_connection>(t, true, ep("10.0.0.1", 8080));
p.new_connection(*c, 0, &st);
TEST_EQUAL(p.num_connect_candidates(), 0);
TEST_EQUAL(p.num_peers(), 1);
@ -325,7 +343,7 @@ int test_main()
// and update_peer_port, causing collission
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = true;
peer_list p;
t.m_p = &p;
@ -335,7 +353,7 @@ int test_main()
TEST_EQUAL(p.num_connect_candidates(), 1);
boost::shared_ptr<mock_peer_connection> c
= boost::make_shared<mock_peer_connection>(true, ep("10.0.0.1", 8080));
= boost::make_shared<mock_peer_connection>(t, true, ep("10.0.0.1", 8080));
p.new_connection(*c, 0, &st);
TEST_EQUAL(p.num_connect_candidates(), 1);
// at this point we have two peers, because we think they have different
@ -355,7 +373,7 @@ int test_main()
// test ip filter
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
@ -394,7 +412,7 @@ int test_main()
// test port filter
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
@ -433,7 +451,7 @@ int test_main()
// test banning peers
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
@ -442,7 +460,7 @@ int test_main()
TEST_EQUAL(p.num_connect_candidates(), 1);
boost::shared_ptr<mock_peer_connection> c
= boost::make_shared<mock_peer_connection>(true, ep("10.0.0.1", 8080));
= boost::make_shared<mock_peer_connection>(t, true, ep("10.0.0.1", 8080));
p.new_connection(*c, 0, &st);
TEST_EQUAL(p.num_connect_candidates(), 0);
TEST_EQUAL(p.num_peers(), 1);
@ -462,7 +480,7 @@ int test_main()
TEST_EQUAL(p.num_connect_candidates(), 0);
st.erased.clear();
c = boost::make_shared<mock_peer_connection>(true, ep("10.0.0.1", 8080));
c = boost::make_shared<mock_peer_connection>(t, true, ep("10.0.0.1", 8080));
ok = p.new_connection(*c, 0, &st);
// since it's banned, we should not allow this incoming connection
TEST_EQUAL(ok, false);
@ -473,7 +491,7 @@ int test_main()
// test erase_peers when we fill up the peer list
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
st.max_peerlist_size = 100;
st.allow_multiple_connections_per_ip = true;
peer_list p;
@ -505,7 +523,7 @@ int test_main()
torrent_state st = init_state(allocator, ext_ip);
std::vector<address> banned;
mock_torrent t;
mock_torrent t(&st);
peer_list p;
t.m_p = &p;
@ -535,7 +553,7 @@ int test_main()
torrent_state st = init_state(allocator, ext_ip);
std::vector<address> banned;
mock_torrent t;
mock_torrent t(&st);
peer_list p;
t.m_p = &p;
@ -564,7 +582,7 @@ int test_main()
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
peer_list p;
t.m_p = &p;
@ -593,7 +611,7 @@ int test_main()
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t;
mock_torrent t(&st);
peer_list p;
t.m_p = &p;
@ -627,7 +645,7 @@ int test_main()
torrent_state st = init_state(allocator, ext_ip);
std::vector<address> banned;
mock_torrent t;
mock_torrent t(&st);
peer_list p;
t.m_p = &p;
@ -659,18 +677,23 @@ int test_main()
torrent_state st = init_state(allocator, ext_ip);
std::vector<address> banned;
mock_torrent t;
mock_torrent t(&st);
peer_list p;
t.m_p = &p;
torrent_peer* peer1 = add_peer(p, st, ep("10.10.0.1", 10));
TEST_CHECK(peer1);
p.set_seed(peer1, true);
torrent_peer* peer2 = add_peer(p, st, ep("10.10.0.2", 11));
TEST_CHECK(peer2);
p.set_seed(peer2, true);
torrent_peer* peer3 = add_peer(p, st, ep("10.10.0.3", 11));
TEST_CHECK(peer3);
p.set_seed(peer3, true);
torrent_peer* peer4 = add_peer(p, st, ep("10.10.0.4", 11));
TEST_CHECK(peer4);
torrent_peer* peer5 = add_peer(p, st, ep("10.10.0.5", 11));
TEST_CHECK(peer5);
TEST_EQUAL(p.num_peers(), 5);
TEST_EQUAL(p.num_connect_candidates(), 5);
@ -687,9 +710,196 @@ int test_main()
TEST_EQUAL(p.num_connect_candidates(), 1);
}
// test self-connection
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
// add and connect peer
torrent_peer* peer = add_peer(p, st, ep("10.0.0.2", 3000));
connect_peer(p, t, st);
boost::shared_ptr<mock_peer_connection> con_out
= static_cast<mock_peer_connection*>(peer->connection)->shared_from_this();
con_out->set_local_ep(ep("10.0.0.2", 8080));
boost::shared_ptr<mock_peer_connection> con_in
= boost::make_shared<mock_peer_connection>(t, false, ep("10.0.0.2", 8080));
con_in->set_local_ep(ep("10.0.0.2", 3000));
p.new_connection(*con_in, 0, &st);
// from the peer_list's point of view, this looks like we made one
// outgoing connection and received an incoming one. Since they share
// the exact same endpoints (IP ports) but just swapped source and
// destination, the peer list is supposed to figure out that we connected
// to ourself and disconnect it
TEST_EQUAL(con_out->was_disconnected(), true);
TEST_EQUAL(con_in->was_disconnected(), true);
}
// test double connection (we loose)
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
// we are 10.0.0.1 and the other peer is 10.0.0.2
// our outgoing connection
torrent_peer* peer = add_peer(p, st, ep("10.0.0.2", 3000));
connect_peer(p, t, st);
boost::shared_ptr<mock_peer_connection> con_out
= static_cast<mock_peer_connection*>(peer->connection)->shared_from_this();
con_out->set_local_ep(ep("10.0.0.1", 3163));
// and the incoming connection
boost::shared_ptr<mock_peer_connection> con_in
= boost::make_shared<mock_peer_connection>(t, false, ep("10.0.0.2", 3561));
con_in->set_local_ep(ep("10.0.0.1", 8080));
p.new_connection(*con_in, 0, &st);
// the peer list is supposed to detect that we now have two connections
// to the same peer. We made one outgoing and we received one incoming.
// Since this is fundamentally a race condition we can't avoid, we have
// to simply agree to consistently leave the same connection alive and
// have both sides kill the same connection. This is done by comparing
// ports. Only the end receiving a connection has a consistent and well
// defined port (the outgoing source port is typically picked by the OS).
// so, compare the the two incoming ports. Whoever has the lower port
// is disconnected. In this case, 3000 < 8080.
TEST_EQUAL(con_out->was_disconnected(), true);
TEST_EQUAL(con_in->was_disconnected(), false);
}
// test double connection (we win)
{
torrent_state st = init_state(allocator, ext_ip);
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
// we are 10.0.0.1 and the other peer is 10.0.0.2
// our outgoing connection
torrent_peer* peer = add_peer(p, st, ep("10.0.0.2", 8080));
connect_peer(p, t, st);
boost::shared_ptr<mock_peer_connection> con_out
= static_cast<mock_peer_connection*>(peer->connection)->shared_from_this();
con_out->set_local_ep(ep("10.0.0.1", 3163));
//and the incoming connection
boost::shared_ptr<mock_peer_connection> con_in
= boost::make_shared<mock_peer_connection>(t, false, ep("10.0.0.2", 3561));
con_in->set_local_ep(ep("10.0.0.1", 3000));
p.new_connection(*con_in, 0, &st);
// the peer list is supposed to detect that we now have two connections
// to the same peer. We made one outgoing and we received one incoming.
// Since this is fundamentally a race condition we can't avoid, we have
// to simply agree to consistently leave the same connection alive and
// have both sides kill the same connection. This is done by comparing
// ports. Only the end receiving a connection has a consistent and well
// defined port (the outgoing source port is typically picked by the OS).
// so, compare the the two incoming ports. Whoever has the lower port
// is disconnected. In this case, 3000 < 8080.
TEST_EQUAL(con_out->was_disconnected(), false);
TEST_EQUAL(con_in->was_disconnected(), true);
}
// test incoming connection when we are at the list size limit
{
torrent_state st = init_state(allocator, ext_ip);
st.max_peerlist_size = 5;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
torrent_peer* peer1 = add_peer(p, st, ep("10.0.0.1", 8080));
TEST_CHECK(peer1);
TEST_EQUAL(p.num_peers(), 1);
torrent_peer* peer2 = add_peer(p, st, ep("10.0.0.2", 8080));
TEST_CHECK(peer2);
TEST_EQUAL(p.num_peers(), 2);
torrent_peer* peer3 = add_peer(p, st, ep("10.0.0.3", 8080));
TEST_CHECK(peer3);
TEST_EQUAL(p.num_peers(), 3);
torrent_peer* peer4 = add_peer(p, st, ep("10.0.0.4", 8080));
TEST_CHECK(peer4);
TEST_EQUAL(p.num_peers(), 4);
torrent_peer* peer5 = add_peer(p, st, ep("10.0.0.5", 8080));
TEST_CHECK(peer5);
TEST_EQUAL(p.num_peers(), 5);
boost::shared_ptr<mock_peer_connection> con_in
= boost::make_shared<mock_peer_connection>(t, false, ep("10.0.1.2", 3561));
con_in->set_local_ep(ep("10.0.2.1", 3000));
// since we're already at 5 peers in the peer list, this call should
// erase one of the existing ones.
p.new_connection(*con_in, 0, &st);
TEST_EQUAL(con_in->was_disconnected(), false);
TEST_EQUAL(p.num_peers(), 5);
// one of the previous ones should have been removed
TEST_EQUAL(has_peer(p, ep("10.0.0.1", 8080))
+ has_peer(p, ep("10.0.0.2", 8080))
+ has_peer(p, ep("10.0.0.3", 8080))
+ has_peer(p, ep("10.0.0.4", 8080))
+ has_peer(p, ep("10.0.0.5", 8080))
, 4);
}
// test new peer when we are at the list size limit
{
torrent_state st = init_state(allocator, ext_ip);
st.max_peerlist_size = 5;
mock_torrent t(&st);
st.allow_multiple_connections_per_ip = false;
peer_list p;
t.m_p = &p;
torrent_peer* peer1 = add_peer(p, st, ep("10.0.0.1", 8080));
TEST_CHECK(peer1);
TEST_EQUAL(p.num_peers(), 1);
torrent_peer* peer2 = add_peer(p, st, ep("10.0.0.2", 8080));
TEST_CHECK(peer2);
TEST_EQUAL(p.num_peers(), 2);
torrent_peer* peer3 = add_peer(p, st, ep("10.0.0.3", 8080));
TEST_CHECK(peer3);
TEST_EQUAL(p.num_peers(), 3);
torrent_peer* peer4 = add_peer(p, st, ep("10.0.0.4", 8080));
TEST_CHECK(peer4);
TEST_EQUAL(p.num_peers(), 4);
torrent_peer* peer5 = add_peer(p, st, ep("10.0.0.5", 8080));
TEST_CHECK(peer5);
TEST_EQUAL(p.num_peers(), 5);
torrent_peer* peer6 = p.add_peer(ep("10.0.0.6", 8080), 0, 0, &st);
TEST_EQUAL(p.num_peers(), 5);
// one of the connection should have been removed
TEST_EQUAL(has_peer(p, ep("10.0.0.1", 8080))
+ has_peer(p, ep("10.0.0.2", 8080))
+ has_peer(p, ep("10.0.0.3", 8080))
+ has_peer(p, ep("10.0.0.4", 8080))
+ has_peer(p, ep("10.0.0.5", 8080))
+ has_peer(p, ep("10.0.0.6", 8080))
, 5);
}
// TODO: test erasing peers
// TODO: test logic for which connection to keep when receiving an incoming
// connection to the same peer as we just made an outgoing connection to
// TODO: test update_peer_port with allow_multiple_connections_per_ip and without
// TODO: test add i2p peers
// TODO: test allow_i2p_mixed
@ -697,9 +907,7 @@ int test_main()
// TODO: test IPv6
// TODO: test connect_to_peer() failing
// TODO: test connection_closed
// TODO: connect candidates recalculation when finishing torrent
// TODO: connect candidates recalculation when incrementing failcount
// TODO: connect candidates recalculation when setting failcount
return 0;
}