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/*************************************************************************/
/* remote_debugger_peer_websocket.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 "remote_debugger_peer_websocket.h"
#include "core/project_settings.h"
Error RemoteDebuggerPeerWebSocket::connect_to_host(const String &p_uri) {
Vector<String> protocols;
protocols.push_back("binary"); // Compatibility for emscripten TCP-to-WebSocket.
ws_client->connect_to_url(p_uri, protocols);
ws_client->poll();
if (ws_client->get_connection_status() == WebSocketClient::CONNECTION_DISCONNECTED) {
ERR_PRINT("Remote Debugger: Unable to connect. Status: " + String::num(ws_client->get_connection_status()) + ".");
return FAILED;
}
ws_peer = ws_client->get_peer(1);
return OK;
}
bool RemoteDebuggerPeerWebSocket::is_peer_connected() {
return ws_peer.is_valid() && ws_peer->is_connected_to_host();
}
void RemoteDebuggerPeerWebSocket::poll() {
ws_client->poll();
while (ws_peer->is_connected_to_host() && ws_peer->get_available_packet_count() > 0 && in_queue.size() < max_queued_messages) {
Variant var;
Error err = ws_peer->get_var(var);
ERR_CONTINUE(err != OK);
ERR_CONTINUE(var.get_type() != Variant::ARRAY);
in_queue.push_back(var);
}
while (ws_peer->is_connected_to_host() && out_queue.size() > 0) {
Array var = out_queue[0];
Error err = ws_peer->put_var(var);
ERR_BREAK(err != OK); // Peer buffer full?
out_queue.pop_front();
}
}
int RemoteDebuggerPeerWebSocket::get_max_message_size() const {
return 8 << 20; // 8 Mib
}
bool RemoteDebuggerPeerWebSocket::has_message() {
return in_queue.size() > 0;
}
Array RemoteDebuggerPeerWebSocket::get_message() {
ERR_FAIL_COND_V(in_queue.size() < 1, Array());
Array msg = in_queue[0];
in_queue.pop_front();
return msg;
}
Error RemoteDebuggerPeerWebSocket::put_message(const Array &p_arr) {
if (out_queue.size() >= max_queued_messages) {
return ERR_OUT_OF_MEMORY;
}
out_queue.push_back(p_arr);
return OK;
}
void RemoteDebuggerPeerWebSocket::close() {
if (ws_peer.is_valid()) {
ws_peer.unref();
}
ws_client->disconnect_from_host();
}
bool RemoteDebuggerPeerWebSocket::can_block() const {
#ifdef JAVASCRIPT_ENABLED
return false;
#else
return true;
#endif
}
RemoteDebuggerPeerWebSocket::RemoteDebuggerPeerWebSocket(Ref<WebSocketPeer> p_peer) {
#ifdef JAVASCRIPT_ENABLED
ws_client = Ref<WebSocketClient>(memnew(EMWSClient));
#else
ws_client = Ref<WebSocketClient>(memnew(WSLClient));
#endif
max_queued_messages = (int)GLOBAL_GET("network/limits/debugger/max_queued_messages");
ws_client->set_buffers(8192, max_queued_messages, 8192, max_queued_messages);
ws_peer = p_peer;
}
RemoteDebuggerPeer *RemoteDebuggerPeerWebSocket::create(const String &p_uri) {
ERR_FAIL_COND_V(!p_uri.begins_with("ws://") && !p_uri.begins_with("wss://"), nullptr);
RemoteDebuggerPeerWebSocket *peer = memnew(RemoteDebuggerPeerWebSocket);
Error err = peer->connect_to_host(p_uri);
if (err != OK) {
memdelete(peer);
return nullptr;
}
return peer;
}
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