diff options
Diffstat (limited to 'modules/enet/enet_multiplayer_peer.cpp')
-rw-r--r-- | modules/enet/enet_multiplayer_peer.cpp | 242 |
1 files changed, 100 insertions, 142 deletions
diff --git a/modules/enet/enet_multiplayer_peer.cpp b/modules/enet/enet_multiplayer_peer.cpp index c93db3b972..43c512ae16 100644 --- a/modules/enet/enet_multiplayer_peer.cpp +++ b/modules/enet/enet_multiplayer_peer.cpp @@ -146,92 +146,21 @@ void ENetMultiplayerPeer::_store_packet(int32_t p_source, ENetConnection::Event incoming_packets.push_back(packet); } -bool ENetMultiplayerPeer::_parse_server_event(ENetConnection::EventType p_type, ENetConnection::Event &p_event) { - switch (p_type) { - case ENetConnection::EVENT_CONNECT: { - if (is_refusing_new_connections()) { - p_event.peer->reset(); - return false; - } - // Client joined with invalid ID, probably trying to exploit us. - if (p_event.data < 2 || peers.has((int)p_event.data)) { - p_event.peer->reset(); - return false; - } - int id = p_event.data; - p_event.peer->set_meta(SNAME("_net_id"), id); - peers[id] = p_event.peer; - - emit_signal(SNAME("peer_connected"), id); - return false; - } - case ENetConnection::EVENT_DISCONNECT: { - int id = p_event.peer->get_meta(SNAME("_net_id")); - if (!peers.has(id)) { - // Never fully connected. - return false; - } - - emit_signal(SNAME("peer_disconnected"), id); - peers.erase(id); - return false; - } - case ENetConnection::EVENT_RECEIVE: { - int32_t source = p_event.peer->get_meta(SNAME("_net_id")); - _store_packet(source, p_event); - return false; +void ENetMultiplayerPeer::_disconnect_inactive_peers() { + HashSet<int> to_drop; + for (const KeyValue<int, Ref<ENetPacketPeer>> &E : peers) { + if (E.value->is_active()) { + continue; } - default: - return true; + to_drop.insert(E.key); } -} - -bool ENetMultiplayerPeer::_parse_client_event(ENetConnection::EventType p_type, ENetConnection::Event &p_event) { - switch (p_type) { - case ENetConnection::EVENT_CONNECT: { - connection_status = CONNECTION_CONNECTED; - emit_signal(SNAME("peer_connected"), 1); - emit_signal(SNAME("connection_succeeded")); - return false; + for (const int &P : to_drop) { + peers.erase(P); + if (hosts.has(P)) { + hosts.erase(P); } - case ENetConnection::EVENT_DISCONNECT: { - if (connection_status == CONNECTION_CONNECTED) { - // Client just disconnected from server. - emit_signal(SNAME("server_disconnected")); - } else { - emit_signal(SNAME("connection_failed")); - } - close_connection(); - return true; - } - case ENetConnection::EVENT_RECEIVE: { - _store_packet(1, p_event); - return false; - } - default: - return true; - } -} - -bool ENetMultiplayerPeer::_parse_mesh_event(ENetConnection::EventType p_type, ENetConnection::Event &p_event, int p_peer_id) { - switch (p_type) { - case ENetConnection::EVENT_CONNECT: - p_event.peer->reset(); - return false; - case ENetConnection::EVENT_DISCONNECT: - if (peers.has(p_peer_id)) { - emit_signal(SNAME("peer_disconnected"), p_peer_id); - peers.erase(p_peer_id); - } - hosts.erase(p_peer_id); - return true; - case ENetConnection::EVENT_RECEIVE: { - _store_packet(p_peer_id, p_event); - return false; - } break; - default: - // Nothing to do - return true; + ERR_CONTINUE(active_mode == MODE_CLIENT && P != TARGET_PEER_SERVER); + emit_signal(SNAME("peer_disconnected"), P); } } @@ -240,74 +169,92 @@ void ENetMultiplayerPeer::poll() { _pop_current_packet(); + _disconnect_inactive_peers(); + switch (active_mode) { case MODE_CLIENT: { - if (peers.has(1) && !peers[1]->is_active()) { - if (connection_status == CONNECTION_CONNECTED) { - // Client just disconnected from server. - emit_signal(SNAME("server_disconnected")); - } else { - emit_signal(SNAME("connection_failed")); - } - close_connection(); + if (!peers.has(1)) { + close(); return; } ENetConnection::Event event; ENetConnection::EventType ret = hosts[0]->service(0, event); - if (ret == ENetConnection::EVENT_ERROR) { - return; - } do { - if (_parse_client_event(ret, event)) { - return; + if (ret == ENetConnection::EVENT_CONNECT) { + connection_status = CONNECTION_CONNECTED; + emit_signal(SNAME("peer_connected"), 1); + } else if (ret == ENetConnection::EVENT_DISCONNECT) { + if (connection_status == CONNECTION_CONNECTED) { + // Client just disconnected from server. + emit_signal(SNAME("peer_disconnected"), 1); + } + close(); + } else if (ret == ENetConnection::EVENT_RECEIVE) { + _store_packet(1, event); + } else if (ret != ENetConnection::EVENT_NONE) { + close(); // Error. } - } while (hosts[0]->check_events(ret, event) > 0); + } while (hosts.has(0) && hosts[0]->check_events(ret, event) > 0); } break; case MODE_SERVER: { - for (const KeyValue<int, Ref<ENetPacketPeer>> &E : peers) { - if (!(E.value->is_active())) { - emit_signal(SNAME("peer_disconnected"), E.value->get_meta(SNAME("_net_id"))); - peers.erase(E.key); - } - } ENetConnection::Event event; ENetConnection::EventType ret = hosts[0]->service(0, event); - if (ret == ENetConnection::EVENT_ERROR) { - return; - } do { - if (_parse_server_event(ret, event)) { - return; + if (ret == ENetConnection::EVENT_CONNECT) { + if (is_refusing_new_connections()) { + event.peer->reset(); + continue; + } + // Client joined with invalid ID, probably trying to exploit us. + if (event.data < 2 || peers.has((int)event.data)) { + event.peer->reset(); + continue; + } + int id = event.data; + event.peer->set_meta(SNAME("_net_id"), id); + peers[id] = event.peer; + emit_signal(SNAME("peer_connected"), id); + } else if (ret == ENetConnection::EVENT_DISCONNECT) { + int id = event.peer->get_meta(SNAME("_net_id")); + if (!peers.has(id)) { + // Never fully connected. + continue; + } + emit_signal(SNAME("peer_disconnected"), id); + peers.erase(id); + } else if (ret == ENetConnection::EVENT_RECEIVE) { + int32_t source = event.peer->get_meta(SNAME("_net_id")); + _store_packet(source, event); + } else if (ret != ENetConnection::EVENT_NONE) { + close(); // Error } - } while (hosts[0]->check_events(ret, event) > 0); + } while (hosts.has(0) && hosts[0]->check_events(ret, event) > 0); } break; case MODE_MESH: { - for (const KeyValue<int, Ref<ENetPacketPeer>> &E : peers) { - if (!(E.value->is_active())) { - emit_signal(SNAME("peer_disconnected"), E.key); - peers.erase(E.key); - if (hosts.has(E.key)) { - hosts.erase(E.key); - } - } - } + HashSet<int> to_drop; for (KeyValue<int, Ref<ENetConnection>> &E : hosts) { ENetConnection::Event event; ENetConnection::EventType ret = E.value->service(0, event); - if (ret == ENetConnection::EVENT_ERROR) { - if (peers.has(E.key)) { - emit_signal(SNAME("peer_disconnected"), E.key); - peers.erase(E.key); - } - hosts.erase(E.key); - continue; - } do { - if (_parse_mesh_event(ret, event, E.key)) { + if (ret == ENetConnection::EVENT_CONNECT) { + event.peer->reset(); + } else if (ret == ENetConnection::EVENT_RECEIVE) { + _store_packet(E.key, event); + } else if (ret == ENetConnection::EVENT_NONE) { + break; // Keep polling the others. + } else { + to_drop.insert(E.key); // Error or disconnect. break; // Keep polling the others. } } while (E.value->check_events(ret, event) > 0); } + for (const int &P : to_drop) { + if (peers.has(P)) { + emit_signal(SNAME("peer_disconnected"), P); + peers.erase(P); + } + hosts.erase(P); + } } break; default: return; @@ -322,29 +269,41 @@ bool ENetMultiplayerPeer::is_server_relay_supported() const { return active_mode == MODE_SERVER || active_mode == MODE_CLIENT; } -void ENetMultiplayerPeer::close_connection(uint32_t wait_usec) { +void ENetMultiplayerPeer::disconnect_peer(int p_peer, bool p_force) { + ERR_FAIL_COND(!_is_active() || !peers.has(p_peer)); + peers[p_peer]->peer_disconnect(0); // Will be removed during next poll. + if (active_mode == MODE_CLIENT || active_mode == MODE_SERVER) { + hosts[0]->flush(); + } else { + ERR_FAIL_COND(!hosts.has(p_peer)); + hosts[p_peer]->flush(); + } + if (p_force) { + peers.erase(p_peer); + if (hosts.has(p_peer)) { + hosts.erase(p_peer); + } + if (active_mode == MODE_CLIENT) { + hosts.clear(); // Avoid flushing again. + close(); + } + } +} + +void ENetMultiplayerPeer::close() { if (!_is_active()) { return; } _pop_current_packet(); - bool peers_disconnected = false; for (KeyValue<int, Ref<ENetPacketPeer>> &E : peers) { if (E.value.is_valid() && E.value->get_state() == ENetPacketPeer::STATE_CONNECTED) { - E.value->peer_disconnect_now(unique_id); - peers_disconnected = true; + E.value->peer_disconnect_now(0); } } - - if (peers_disconnected) { - for (KeyValue<int, Ref<ENetConnection>> &E : hosts) { - E.value->flush(); - } - - if (wait_usec > 0) { - OS::get_singleton()->delay_usec(wait_usec); // Wait for disconnection packets to send - } + for (KeyValue<int, Ref<ENetConnection>> &E : hosts) { + E.value->flush(); } active_mode = MODE_NONE; @@ -516,7 +475,6 @@ void ENetMultiplayerPeer::_bind_methods() { ClassDB::bind_method(D_METHOD("create_client", "address", "port", "channel_count", "in_bandwidth", "out_bandwidth", "local_port"), &ENetMultiplayerPeer::create_client, DEFVAL(0), DEFVAL(0), DEFVAL(0), DEFVAL(0)); ClassDB::bind_method(D_METHOD("create_mesh", "unique_id"), &ENetMultiplayerPeer::create_mesh); ClassDB::bind_method(D_METHOD("add_mesh_peer", "peer_id", "host"), &ENetMultiplayerPeer::add_mesh_peer); - ClassDB::bind_method(D_METHOD("close_connection", "wait_usec"), &ENetMultiplayerPeer::close_connection, DEFVAL(100)); ClassDB::bind_method(D_METHOD("set_bind_ip", "ip"), &ENetMultiplayerPeer::set_bind_ip); ClassDB::bind_method(D_METHOD("get_host"), &ENetMultiplayerPeer::get_host); @@ -531,7 +489,7 @@ ENetMultiplayerPeer::ENetMultiplayerPeer() { ENetMultiplayerPeer::~ENetMultiplayerPeer() { if (_is_active()) { - close_connection(); + close(); } } |