godot/modules/websocket/websocket_server.cpp
Fabio Alessandrelli 5bd9f14ad9 Lower WebSocket latency, fixes.
WSLPeer now tries to flush packet queue after put_packet call.
WSLServer::listen correctly returns TCP_Server::listen return value.
2020-01-24 14:50:53 +01:00

159 lines
6.7 KiB
C++

/*************************************************************************/
/* websocket_server.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 "websocket_server.h"
GDCINULL(WebSocketServer);
WebSocketServer::WebSocketServer() {
_peer_id = 1;
bind_ip = IP_Address("*");
}
WebSocketServer::~WebSocketServer() {
}
void WebSocketServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_listening"), &WebSocketServer::is_listening);
ClassDB::bind_method(D_METHOD("listen", "port", "protocols", "gd_mp_api"), &WebSocketServer::listen, DEFVAL(Vector<String>()), DEFVAL(false));
ClassDB::bind_method(D_METHOD("stop"), &WebSocketServer::stop);
ClassDB::bind_method(D_METHOD("has_peer", "id"), &WebSocketServer::has_peer);
ClassDB::bind_method(D_METHOD("get_peer_address", "id"), &WebSocketServer::get_peer_address);
ClassDB::bind_method(D_METHOD("get_peer_port", "id"), &WebSocketServer::get_peer_port);
ClassDB::bind_method(D_METHOD("disconnect_peer", "id", "code", "reason"), &WebSocketServer::disconnect_peer, DEFVAL(1000), DEFVAL(""));
ClassDB::bind_method(D_METHOD("get_bind_ip"), &WebSocketServer::get_bind_ip);
ClassDB::bind_method(D_METHOD("set_bind_ip"), &WebSocketServer::set_bind_ip);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "bind_ip"), "set_bind_ip", "get_bind_ip");
ClassDB::bind_method(D_METHOD("get_private_key"), &WebSocketServer::get_private_key);
ClassDB::bind_method(D_METHOD("set_private_key"), &WebSocketServer::set_private_key);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "private_key", PROPERTY_HINT_RESOURCE_TYPE, "CryptoKey", 0), "set_private_key", "get_private_key");
ClassDB::bind_method(D_METHOD("get_ssl_certificate"), &WebSocketServer::get_ssl_certificate);
ClassDB::bind_method(D_METHOD("set_ssl_certificate"), &WebSocketServer::set_ssl_certificate);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "ssl_certificate", PROPERTY_HINT_RESOURCE_TYPE, "X509Certificate", 0), "set_ssl_certificate", "get_ssl_certificate");
ClassDB::bind_method(D_METHOD("get_ca_chain"), &WebSocketServer::get_ca_chain);
ClassDB::bind_method(D_METHOD("set_ca_chain"), &WebSocketServer::set_ca_chain);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "ca_chain", PROPERTY_HINT_RESOURCE_TYPE, "X509Certificate", 0), "set_ca_chain", "get_ca_chain");
ADD_SIGNAL(MethodInfo("client_close_request", PropertyInfo(Variant::INT, "id"), PropertyInfo(Variant::INT, "code"), PropertyInfo(Variant::STRING, "reason")));
ADD_SIGNAL(MethodInfo("client_disconnected", PropertyInfo(Variant::INT, "id"), PropertyInfo(Variant::BOOL, "was_clean_close")));
ADD_SIGNAL(MethodInfo("client_connected", PropertyInfo(Variant::INT, "id"), PropertyInfo(Variant::STRING, "protocol")));
ADD_SIGNAL(MethodInfo("data_received", PropertyInfo(Variant::INT, "id")));
}
IP_Address WebSocketServer::get_bind_ip() const {
return bind_ip;
}
void WebSocketServer::set_bind_ip(const IP_Address &p_bind_ip) {
ERR_FAIL_COND(is_listening());
ERR_FAIL_COND(!p_bind_ip.is_valid() && !p_bind_ip.is_wildcard());
bind_ip = p_bind_ip;
}
Ref<CryptoKey> WebSocketServer::get_private_key() const {
return private_key;
}
void WebSocketServer::set_private_key(Ref<CryptoKey> p_key) {
ERR_FAIL_COND(is_listening());
private_key = p_key;
}
Ref<X509Certificate> WebSocketServer::get_ssl_certificate() const {
return ssl_cert;
}
void WebSocketServer::set_ssl_certificate(Ref<X509Certificate> p_cert) {
ERR_FAIL_COND(is_listening());
ssl_cert = p_cert;
}
Ref<X509Certificate> WebSocketServer::get_ca_chain() const {
return ca_chain;
}
void WebSocketServer::set_ca_chain(Ref<X509Certificate> p_ca_chain) {
ERR_FAIL_COND(is_listening());
ca_chain = p_ca_chain;
}
NetworkedMultiplayerPeer::ConnectionStatus WebSocketServer::get_connection_status() const {
if (is_listening())
return CONNECTION_CONNECTED;
return CONNECTION_DISCONNECTED;
}
bool WebSocketServer::is_server() const {
return true;
}
void WebSocketServer::_on_peer_packet(int32_t p_peer_id) {
if (_is_multiplayer) {
_process_multiplayer(get_peer(p_peer_id), p_peer_id);
} else {
emit_signal("data_received", p_peer_id);
}
}
void WebSocketServer::_on_connect(int32_t p_peer_id, String p_protocol) {
if (_is_multiplayer) {
// Send add to clients
_send_add(p_peer_id);
emit_signal("peer_connected", p_peer_id);
} else {
emit_signal("client_connected", p_peer_id, p_protocol);
}
}
void WebSocketServer::_on_disconnect(int32_t p_peer_id, bool p_was_clean) {
if (_is_multiplayer) {
// Send delete to clients
_send_del(p_peer_id);
emit_signal("peer_disconnected", p_peer_id);
} else {
emit_signal("client_disconnected", p_peer_id, p_was_clean);
}
}
void WebSocketServer::_on_close_request(int32_t p_peer_id, int p_code, String p_reason) {
emit_signal("client_close_request", p_peer_id, p_code, p_reason);
}