Add WebRTC JS implementation

1 files changed, 88 insertions, 0 deletions

diff --git a/modules/webrtc/webrtc_peer_js.h b/modules/webrtc/webrtc_peer_js.h
new file mode 100644
index 0000000000..02f0c9b55d
--- /dev/null
+++ b/modules/webrtc/webrtc_peer_js.h
@@ -0,0 +1,88 @@
+/*************************************************************************/
+/*  webrtc_peer_js.h                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 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.                */
+/*************************************************************************/
+
+#ifndef WEBRTC_PEER_JS_H
+#define WEBRTC_PEER_JS_H
+
+#ifdef JAVASCRIPT_ENABLED
+
+#include "webrtc_peer.h"
+
+class WebRTCPeerJS : public WebRTCPeer {
+
+private:
+	enum {
+		PACKET_BUFFER_SIZE = 65536 - 5 // 4 bytes for the size, 1 for for type
+	};
+
+	bool _was_string;
+	WriteMode _write_mode;
+
+	int _js_id;
+	RingBuffer<uint8_t> in_buffer;
+	int queue_count;
+	uint8_t packet_buffer[PACKET_BUFFER_SIZE];
+	ConnectionState _conn_state;
+
+public:
+	static WebRTCPeer *_create() { return memnew(WebRTCPeerJS); }
+	static void make_default() { WebRTCPeer::_create = WebRTCPeerJS::_create; }
+
+	virtual void set_write_mode(WriteMode mode);
+	virtual WriteMode get_write_mode() const;
+	virtual bool was_string_packet() const;
+	virtual ConnectionState get_connection_state() const;
+
+	virtual Error create_offer();
+	virtual Error set_remote_description(String type, String sdp);
+	virtual Error set_local_description(String type, String sdp);
+	virtual Error add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName);
+	virtual Error poll();
+
+	/** Inherited from PacketPeer: **/
+	virtual int get_available_packet_count() const;
+	virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size); ///< buffer is GONE after next get_packet
+	virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size);
+
+	virtual int get_max_packet_size() const;
+
+	void close();
+	void _on_open();
+	void _on_close();
+	void _on_error();
+	void _on_message(uint8_t *p_data, uint32_t p_size, bool p_is_string);
+
+	WebRTCPeerJS();
+	~WebRTCPeerJS();
+};
+
+#endif
+
+#endif // WEBRTC_PEER_JS_H