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authorFabio Alessandrelli <fabio.alessandrelli@gmail.com>2021-07-12 16:26:37 +0200
committerFabio Alessandrelli <fabio.alessandrelli@gmail.com>2021-07-12 16:36:34 +0200
commit97e763dddf6aad72b7dd05ad52dfe16cecc1f221 (patch)
treed8b3f03abeeb8b0a12a1a3b2432b9c79e7351e53 /modules/webrtc/webrtc_multiplayer.cpp
parentb31e8530b25b0ec3315df4e6354ab0186bf9f3b0 (diff)
[Net] Rename WebRTCMultiplayer to WebRTCMultiplayerPeer.
Diffstat (limited to 'modules/webrtc/webrtc_multiplayer.cpp')
-rw-r--r--modules/webrtc/webrtc_multiplayer.cpp392
1 files changed, 0 insertions, 392 deletions
diff --git a/modules/webrtc/webrtc_multiplayer.cpp b/modules/webrtc/webrtc_multiplayer.cpp
deleted file mode 100644
index 019ac890b8..0000000000
--- a/modules/webrtc/webrtc_multiplayer.cpp
+++ /dev/null
@@ -1,392 +0,0 @@
-/*************************************************************************/
-/* webrtc_multiplayer.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
-
-#include "webrtc_multiplayer.h"
-
-#include "core/io/marshalls.h"
-#include "core/os/os.h"
-
-void WebRTCMultiplayer::_bind_methods() {
- ClassDB::bind_method(D_METHOD("initialize", "peer_id", "server_compatibility"), &WebRTCMultiplayer::initialize, DEFVAL(false));
- ClassDB::bind_method(D_METHOD("add_peer", "peer", "peer_id", "unreliable_lifetime"), &WebRTCMultiplayer::add_peer, DEFVAL(1));
- ClassDB::bind_method(D_METHOD("remove_peer", "peer_id"), &WebRTCMultiplayer::remove_peer);
- ClassDB::bind_method(D_METHOD("has_peer", "peer_id"), &WebRTCMultiplayer::has_peer);
- ClassDB::bind_method(D_METHOD("get_peer", "peer_id"), &WebRTCMultiplayer::get_peer);
- ClassDB::bind_method(D_METHOD("get_peers"), &WebRTCMultiplayer::get_peers);
- ClassDB::bind_method(D_METHOD("close"), &WebRTCMultiplayer::close);
-}
-
-void WebRTCMultiplayer::set_transfer_mode(TransferMode p_mode) {
- transfer_mode = p_mode;
-}
-
-MultiplayerPeer::TransferMode WebRTCMultiplayer::get_transfer_mode() const {
- return transfer_mode;
-}
-
-void WebRTCMultiplayer::set_target_peer(int p_peer_id) {
- target_peer = p_peer_id;
-}
-
-/* Returns the ID of the MultiplayerPeer who sent the most recent packet: */
-int WebRTCMultiplayer::get_packet_peer() const {
- return next_packet_peer;
-}
-
-bool WebRTCMultiplayer::is_server() const {
- return unique_id == TARGET_PEER_SERVER;
-}
-
-void WebRTCMultiplayer::poll() {
- if (peer_map.size() == 0) {
- return;
- }
-
- List<int> remove;
- List<int> add;
- for (Map<int, Ref<ConnectedPeer>>::Element *E = peer_map.front(); E; E = E->next()) {
- Ref<ConnectedPeer> peer = E->get();
- peer->connection->poll();
- // Check peer state
- switch (peer->connection->get_connection_state()) {
- case WebRTCPeerConnection::STATE_NEW:
- case WebRTCPeerConnection::STATE_CONNECTING:
- // Go to next peer, not ready yet.
- continue;
- case WebRTCPeerConnection::STATE_CONNECTED:
- // Good to go, go ahead and check channel state.
- break;
- default:
- // Peer is closed or in error state. Got to next peer.
- remove.push_back(E->key());
- continue;
- }
- // Check channels state
- int ready = 0;
- for (List<Ref<WebRTCDataChannel>>::Element *C = peer->channels.front(); C && C->get().is_valid(); C = C->next()) {
- Ref<WebRTCDataChannel> ch = C->get();
- switch (ch->get_ready_state()) {
- case WebRTCDataChannel::STATE_CONNECTING:
- continue;
- case WebRTCDataChannel::STATE_OPEN:
- ready++;
- continue;
- default:
- // Channel was closed or in error state, remove peer id.
- remove.push_back(E->key());
- }
- // We got a closed channel break out, the peer will be removed.
- break;
- }
- // This peer has newly connected, and all channels are now open.
- if (ready == peer->channels.size() && !peer->connected) {
- peer->connected = true;
- add.push_back(E->key());
- }
- }
- // Remove disconnected peers
- for (List<int>::Element *E = remove.front(); E; E = E->next()) {
- remove_peer(E->get());
- if (next_packet_peer == E->get()) {
- next_packet_peer = 0;
- }
- }
- // Signal newly connected peers
- for (List<int>::Element *E = add.front(); E; E = E->next()) {
- // Already connected to server: simply notify new peer.
- // NOTE: Mesh is always connected.
- if (connection_status == CONNECTION_CONNECTED) {
- emit_signal("peer_connected", E->get());
- }
-
- // Server emulation mode suppresses peer_conencted until server connects.
- if (server_compat && E->get() == TARGET_PEER_SERVER) {
- // Server connected.
- connection_status = CONNECTION_CONNECTED;
- emit_signal("peer_connected", TARGET_PEER_SERVER);
- emit_signal("connection_succeeded");
- // Notify of all previously connected peers
- for (Map<int, Ref<ConnectedPeer>>::Element *F = peer_map.front(); F; F = F->next()) {
- if (F->key() != 1 && F->get()->connected) {
- emit_signal("peer_connected", F->key());
- }
- }
- break; // Because we already notified of all newly added peers.
- }
- }
- // Fetch next packet
- if (next_packet_peer == 0) {
- _find_next_peer();
- }
-}
-
-void WebRTCMultiplayer::_find_next_peer() {
- Map<int, Ref<ConnectedPeer>>::Element *E = peer_map.find(next_packet_peer);
- if (E) {
- E = E->next();
- }
- // After last.
- while (E) {
- for (List<Ref<WebRTCDataChannel>>::Element *F = E->get()->channels.front(); F; F = F->next()) {
- if (F->get()->get_available_packet_count()) {
- next_packet_peer = E->key();
- return;
- }
- }
- E = E->next();
- }
- E = peer_map.front();
- // Before last
- while (E) {
- for (List<Ref<WebRTCDataChannel>>::Element *F = E->get()->channels.front(); F; F = F->next()) {
- if (F->get()->get_available_packet_count()) {
- next_packet_peer = E->key();
- return;
- }
- }
- if (E->key() == (int)next_packet_peer) {
- break;
- }
- E = E->next();
- }
- // No packet found
- next_packet_peer = 0;
-}
-
-void WebRTCMultiplayer::set_refuse_new_connections(bool p_enable) {
- refuse_connections = p_enable;
-}
-
-bool WebRTCMultiplayer::is_refusing_new_connections() const {
- return refuse_connections;
-}
-
-MultiplayerPeer::ConnectionStatus WebRTCMultiplayer::get_connection_status() const {
- return connection_status;
-}
-
-Error WebRTCMultiplayer::initialize(int p_self_id, bool p_server_compat) {
- ERR_FAIL_COND_V(p_self_id < 0 || p_self_id > ~(1 << 31), ERR_INVALID_PARAMETER);
- unique_id = p_self_id;
- server_compat = p_server_compat;
-
- // Mesh and server are always connected
- if (!server_compat || p_self_id == 1) {
- connection_status = CONNECTION_CONNECTED;
- } else {
- connection_status = CONNECTION_CONNECTING;
- }
- return OK;
-}
-
-int WebRTCMultiplayer::get_unique_id() const {
- ERR_FAIL_COND_V(connection_status == CONNECTION_DISCONNECTED, 1);
- return unique_id;
-}
-
-void WebRTCMultiplayer::_peer_to_dict(Ref<ConnectedPeer> p_connected_peer, Dictionary &r_dict) {
- Array channels;
- for (List<Ref<WebRTCDataChannel>>::Element *F = p_connected_peer->channels.front(); F; F = F->next()) {
- channels.push_back(F->get());
- }
- r_dict["connection"] = p_connected_peer->connection;
- r_dict["connected"] = p_connected_peer->connected;
- r_dict["channels"] = channels;
-}
-
-bool WebRTCMultiplayer::has_peer(int p_peer_id) {
- return peer_map.has(p_peer_id);
-}
-
-Dictionary WebRTCMultiplayer::get_peer(int p_peer_id) {
- ERR_FAIL_COND_V(!peer_map.has(p_peer_id), Dictionary());
- Dictionary out;
- _peer_to_dict(peer_map[p_peer_id], out);
- return out;
-}
-
-Dictionary WebRTCMultiplayer::get_peers() {
- Dictionary out;
- for (Map<int, Ref<ConnectedPeer>>::Element *E = peer_map.front(); E; E = E->next()) {
- Dictionary d;
- _peer_to_dict(E->get(), d);
- out[E->key()] = d;
- }
- return out;
-}
-
-Error WebRTCMultiplayer::add_peer(Ref<WebRTCPeerConnection> p_peer, int p_peer_id, int p_unreliable_lifetime) {
- ERR_FAIL_COND_V(p_peer_id < 0 || p_peer_id > ~(1 << 31), ERR_INVALID_PARAMETER);
- ERR_FAIL_COND_V(p_unreliable_lifetime < 0, ERR_INVALID_PARAMETER);
- ERR_FAIL_COND_V(refuse_connections, ERR_UNAUTHORIZED);
- // Peer must be valid, and in new state (to create data channels)
- ERR_FAIL_COND_V(!p_peer.is_valid(), ERR_INVALID_PARAMETER);
- ERR_FAIL_COND_V(p_peer->get_connection_state() != WebRTCPeerConnection::STATE_NEW, ERR_INVALID_PARAMETER);
-
- Ref<ConnectedPeer> peer = memnew(ConnectedPeer);
- peer->connection = p_peer;
-
- // Initialize data channels
- Dictionary cfg;
- cfg["negotiated"] = true;
- cfg["ordered"] = true;
-
- cfg["id"] = 1;
- peer->channels[CH_RELIABLE] = p_peer->create_data_channel("reliable", cfg);
- ERR_FAIL_COND_V(!peer->channels[CH_RELIABLE].is_valid(), FAILED);
-
- cfg["id"] = 2;
- cfg["maxPacketLifetime"] = p_unreliable_lifetime;
- peer->channels[CH_ORDERED] = p_peer->create_data_channel("ordered", cfg);
- ERR_FAIL_COND_V(!peer->channels[CH_ORDERED].is_valid(), FAILED);
-
- cfg["id"] = 3;
- cfg["ordered"] = false;
- peer->channels[CH_UNRELIABLE] = p_peer->create_data_channel("unreliable", cfg);
- ERR_FAIL_COND_V(!peer->channels[CH_UNRELIABLE].is_valid(), FAILED);
-
- peer_map[p_peer_id] = peer; // add the new peer connection to the peer_map
-
- return OK;
-}
-
-void WebRTCMultiplayer::remove_peer(int p_peer_id) {
- ERR_FAIL_COND(!peer_map.has(p_peer_id));
- Ref<ConnectedPeer> peer = peer_map[p_peer_id];
- peer_map.erase(p_peer_id);
- if (peer->connected) {
- peer->connected = false;
- emit_signal("peer_disconnected", p_peer_id);
- if (server_compat && p_peer_id == TARGET_PEER_SERVER) {
- emit_signal("server_disconnected");
- connection_status = CONNECTION_DISCONNECTED;
- }
- }
-}
-
-Error WebRTCMultiplayer::get_packet(const uint8_t **r_buffer, int &r_buffer_size) {
- // Peer not available
- if (next_packet_peer == 0 || !peer_map.has(next_packet_peer)) {
- _find_next_peer();
- ERR_FAIL_V(ERR_UNAVAILABLE);
- }
- for (List<Ref<WebRTCDataChannel>>::Element *E = peer_map[next_packet_peer]->channels.front(); E; E = E->next()) {
- if (E->get()->get_available_packet_count()) {
- Error err = E->get()->get_packet(r_buffer, r_buffer_size);
- _find_next_peer();
- return err;
- }
- }
- // Channels for that peer were empty. Bug?
- _find_next_peer();
- ERR_FAIL_V(ERR_BUG);
-}
-
-Error WebRTCMultiplayer::put_packet(const uint8_t *p_buffer, int p_buffer_size) {
- ERR_FAIL_COND_V(connection_status == CONNECTION_DISCONNECTED, ERR_UNCONFIGURED);
-
- int ch = CH_RELIABLE;
- switch (transfer_mode) {
- case TRANSFER_MODE_RELIABLE:
- ch = CH_RELIABLE;
- break;
- case TRANSFER_MODE_UNRELIABLE_ORDERED:
- ch = CH_ORDERED;
- break;
- case TRANSFER_MODE_UNRELIABLE:
- ch = CH_UNRELIABLE;
- break;
- }
-
- Map<int, Ref<ConnectedPeer>>::Element *E = nullptr;
-
- if (target_peer > 0) {
- E = peer_map.find(target_peer);
- ERR_FAIL_COND_V_MSG(!E, ERR_INVALID_PARAMETER, "Invalid target peer: " + itos(target_peer) + ".");
-
- ERR_FAIL_COND_V(E->value()->channels.size() <= ch, ERR_BUG);
- ERR_FAIL_COND_V(!E->value()->channels[ch].is_valid(), ERR_BUG);
- return E->value()->channels[ch]->put_packet(p_buffer, p_buffer_size);
-
- } else {
- int exclude = -target_peer;
-
- for (Map<int, Ref<ConnectedPeer>>::Element *F = peer_map.front(); F; F = F->next()) {
- // Exclude packet. If target_peer == 0 then don't exclude any packets
- if (target_peer != 0 && F->key() == exclude) {
- continue;
- }
-
- ERR_CONTINUE(F->value()->channels.size() <= ch || !F->value()->channels[ch].is_valid());
- F->value()->channels[ch]->put_packet(p_buffer, p_buffer_size);
- }
- }
- return OK;
-}
-
-int WebRTCMultiplayer::get_available_packet_count() const {
- if (next_packet_peer == 0) {
- return 0; // To be sure next call to get_packet works if size > 0 .
- }
- int size = 0;
- for (Map<int, Ref<ConnectedPeer>>::Element *E = peer_map.front(); E; E = E->next()) {
- for (List<Ref<WebRTCDataChannel>>::Element *F = E->get()->channels.front(); F; F = F->next()) {
- size += F->get()->get_available_packet_count();
- }
- }
- return size;
-}
-
-int WebRTCMultiplayer::get_max_packet_size() const {
- return 1200;
-}
-
-void WebRTCMultiplayer::close() {
- peer_map.clear();
- unique_id = 0;
- next_packet_peer = 0;
- target_peer = 0;
- connection_status = CONNECTION_DISCONNECTED;
-}
-
-WebRTCMultiplayer::WebRTCMultiplayer() {
- unique_id = 0;
- next_packet_peer = 0;
- target_peer = 0;
- client_count = 0;
- transfer_mode = TRANSFER_MODE_RELIABLE;
- refuse_connections = false;
- connection_status = CONNECTION_DISCONNECTED;
- server_compat = false;
-}
-
-WebRTCMultiplayer::~WebRTCMultiplayer() {
- close();
-}