/**************************************************************************/ /* packet_peer.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* 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 PACKET_PEER_H #define PACKET_PEER_H #include "core/io/stream_peer.h" #include "core/object/class_db.h" #include "core/templates/ring_buffer.h" #include "core/extension/ext_wrappers.gen.inc" #include "core/object/gdvirtual.gen.inc" #include "core/object/script_language.h" #include "core/variant/native_ptr.h" class PacketPeer : public RefCounted { GDCLASS(PacketPeer, RefCounted); Variant _bnd_get_var(bool p_allow_objects = false); static void _bind_methods(); Error _put_packet(const Vector<uint8_t> &p_buffer); Vector<uint8_t> _get_packet(); Error _get_packet_error() const; mutable Error last_get_error = OK; int encode_buffer_max_size = 8 * 1024 * 1024; Vector<uint8_t> encode_buffer; public: virtual int get_available_packet_count() const = 0; virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) = 0; ///< buffer is GONE after next get_packet virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) = 0; virtual int get_max_packet_size() const = 0; /* helpers / binders */ virtual Error get_packet_buffer(Vector<uint8_t> &r_buffer); virtual Error put_packet_buffer(const Vector<uint8_t> &p_buffer); virtual Error get_var(Variant &r_variant, bool p_allow_objects = false); virtual Error put_var(const Variant &p_packet, bool p_full_objects = false); void set_encode_buffer_max_size(int p_max_size); int get_encode_buffer_max_size() const; PacketPeer() {} ~PacketPeer() {} }; class PacketPeerExtension : public PacketPeer { GDCLASS(PacketPeerExtension, PacketPeer); protected: static void _bind_methods(); public: virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) override; ///< buffer is GONE after next get_packet GDVIRTUAL2R(Error, _get_packet, GDExtensionConstPtr<const uint8_t *>, GDExtensionPtr<int>); virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) override; GDVIRTUAL2R(Error, _put_packet, GDExtensionConstPtr<const uint8_t>, int); EXBIND0RC(int, get_available_packet_count); EXBIND0RC(int, get_max_packet_size); }; class PacketPeerStream : public PacketPeer { GDCLASS(PacketPeerStream, PacketPeer); //the way the buffers work sucks, will change later mutable Ref<StreamPeer> peer; mutable RingBuffer<uint8_t> ring_buffer; mutable Vector<uint8_t> input_buffer; mutable Vector<uint8_t> output_buffer; Error _poll_buffer() const; protected: static void _bind_methods(); public: virtual int get_available_packet_count() const override; virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) override; virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) override; virtual int get_max_packet_size() const override; void set_stream_peer(const Ref<StreamPeer> &p_peer); Ref<StreamPeer> get_stream_peer() const; void set_input_buffer_max_size(int p_max_size); int get_input_buffer_max_size() const; void set_output_buffer_max_size(int p_max_size); int get_output_buffer_max_size() const; PacketPeerStream(); }; #endif // PACKET_PEER_H