/*************************************************************************/ /* wsl_peer.h */ /*************************************************************************/ /* 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. */ /*************************************************************************/ #ifndef WSLPEER_H #define WSLPEER_H #ifndef JAVASCRIPT_ENABLED #include "core/error_list.h" #include "core/io/packet_peer.h" #include "core/io/stream_peer_tcp.h" #include "core/ring_buffer.h" #include "packet_buffer.h" #include "websocket_peer.h" #include "wslay/wslay.h" #define WSL_MAX_HEADER_SIZE 4096 class WSLPeer : public WebSocketPeer { GDCIIMPL(WSLPeer, WebSocketPeer); public: struct PeerData { bool polling; bool destroy; bool valid; bool is_server; bool closing; void *obj; void *peer; Ref<StreamPeer> conn; Ref<StreamPeerTCP> tcp; int id; wslay_event_context_ptr ctx; PeerData() { polling = false; destroy = false; valid = false; is_server = false; id = 1; ctx = NULL; obj = NULL; closing = false; peer = NULL; } }; static String compute_key_response(String p_key); static String generate_key(); private: static bool _wsl_poll(struct PeerData *p_data); static void _wsl_destroy(struct PeerData **p_data); struct PeerData *_data; uint8_t _is_string; // Our packet info is just a boolean (is_string), using uint8_t for it. PacketBuffer<uint8_t> _in_buffer; PoolVector<uint8_t> _packet_buffer; WriteMode write_mode; public: int close_code; String close_reason; void poll(); // Used by client and server. virtual int get_available_packet_count() const; virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size); virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size); virtual int get_max_packet_size() const { return _packet_buffer.size(); }; virtual void close_now(); virtual void close(int p_code = 1000, String p_reason = ""); virtual bool is_connected_to_host() const; virtual IP_Address get_connected_host() const; virtual uint16_t get_connected_port() const; virtual WriteMode get_write_mode() const; virtual void set_write_mode(WriteMode p_mode); virtual bool was_string_packet() const; void make_context(PeerData *p_data, unsigned int p_in_buf_size, unsigned int p_in_pkt_size, unsigned int p_out_buf_size, unsigned int p_out_pkt_size); Error parse_message(const wslay_event_on_msg_recv_arg *arg); void invalidate(); WSLPeer(); ~WSLPeer(); }; #endif // JAVASCRIPT_ENABLED #endif // LSWPEER_H