diff options
Diffstat (limited to 'modules/websocket/emws_peer.cpp')
| -rw-r--r-- | modules/websocket/emws_peer.cpp | 228 |
1 files changed, 169 insertions, 59 deletions
diff --git a/modules/websocket/emws_peer.cpp b/modules/websocket/emws_peer.cpp index 859c92b457..1ec557427f 100644 --- a/modules/websocket/emws_peer.cpp +++ b/modules/websocket/emws_peer.cpp @@ -1,32 +1,32 @@ -/*************************************************************************/ -/* emws_peer.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2022 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. */ -/*************************************************************************/ +/**************************************************************************/ +/* emws_peer.cpp */ +/**************************************************************************/ +/* 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. */ +/**************************************************************************/ #ifdef WEB_ENABLED @@ -34,55 +34,120 @@ #include "core/io/ip.h" -void EMWSPeer::set_sock(int p_sock, unsigned int p_in_buf_size, unsigned int p_in_pkt_size, unsigned int p_out_buf_size) { - peer_sock = p_sock; - _in_buffer.resize(p_in_pkt_size, p_in_buf_size); - _packet_buffer.resize((1 << p_in_buf_size)); - _out_buf_size = p_out_buf_size; +void EMWSPeer::_esws_on_connect(void *p_obj, char *p_proto) { + EMWSPeer *peer = static_cast<EMWSPeer *>(p_obj); + peer->ready_state = STATE_OPEN; + peer->selected_protocol.parse_utf8(p_proto); } -void EMWSPeer::set_write_mode(WriteMode p_mode) { - write_mode = p_mode; +void EMWSPeer::_esws_on_message(void *p_obj, const uint8_t *p_data, int p_data_size, int p_is_string) { + EMWSPeer *peer = static_cast<EMWSPeer *>(p_obj); + uint8_t is_string = p_is_string ? 1 : 0; + peer->in_buffer.write_packet(p_data, p_data_size, &is_string); } -EMWSPeer::WriteMode EMWSPeer::get_write_mode() const { - return write_mode; +void EMWSPeer::_esws_on_error(void *p_obj) { + EMWSPeer *peer = static_cast<EMWSPeer *>(p_obj); + peer->ready_state = STATE_CLOSED; } -Error EMWSPeer::read_msg(const uint8_t *p_data, uint32_t p_size, bool p_is_string) { - uint8_t is_string = p_is_string ? 1 : 0; - return _in_buffer.write_packet(p_data, p_size, &is_string); +void EMWSPeer::_esws_on_close(void *p_obj, int p_code, const char *p_reason, int p_was_clean) { + EMWSPeer *peer = static_cast<EMWSPeer *>(p_obj); + peer->close_code = p_code; + peer->close_reason.parse_utf8(p_reason); + peer->ready_state = STATE_CLOSED; } -Error EMWSPeer::put_packet(const uint8_t *p_buffer, int p_buffer_size) { - ERR_FAIL_COND_V(_out_buf_size && ((uint64_t)godot_js_websocket_buffered_amount(peer_sock) + p_buffer_size >= (1ULL << _out_buf_size)), ERR_OUT_OF_MEMORY); +Error EMWSPeer::connect_to_url(const String &p_url, bool p_verify_tls, Ref<X509Certificate> p_tls_certificate) { + ERR_FAIL_COND_V(ready_state != STATE_CLOSED, ERR_ALREADY_IN_USE); + _clear(); - int is_bin = write_mode == WebSocketPeer::WRITE_MODE_BINARY ? 1 : 0; + String host; + String path; + String scheme; + int port = 0; + Error err = p_url.parse_url(scheme, host, port, path); + ERR_FAIL_COND_V_MSG(err != OK, err, "Invalid URL: " + p_url); + + if (scheme.is_empty()) { + scheme = "ws://"; + } + ERR_FAIL_COND_V_MSG(scheme != "ws://" && scheme != "wss://", ERR_INVALID_PARAMETER, vformat("Invalid protocol: \"%s\" (must be either \"ws://\" or \"wss://\").", scheme)); + + String proto_string; + for (int i = 0; i < supported_protocols.size(); i++) { + if (i != 0) { + proto_string += ","; + } + proto_string += supported_protocols[i]; + } - if (godot_js_websocket_send(peer_sock, p_buffer, p_buffer_size, is_bin) != 0) { + if (handshake_headers.size()) { + WARN_PRINT_ONCE("Custom headers are not supported in Web platform."); + } + if (p_tls_certificate.is_valid()) { + WARN_PRINT_ONCE("Custom SSL certificates are not supported in Web platform."); + } + + requested_url = scheme + host; + + if (port && ((scheme == "ws://" && port != 80) || (scheme == "wss://" && port != 443))) { + requested_url += ":" + String::num(port); + } + + if (!path.is_empty()) { + requested_url += path; + } + + peer_sock = godot_js_websocket_create(this, requested_url.utf8().get_data(), proto_string.utf8().get_data(), &_esws_on_connect, &_esws_on_message, &_esws_on_error, &_esws_on_close); + if (peer_sock == -1) { return FAILED; } + in_buffer.resize(nearest_shift(inbound_buffer_size), max_queued_packets); + packet_buffer.resize(inbound_buffer_size); + ready_state = STATE_CONNECTING; + return OK; +} +Error EMWSPeer::accept_stream(Ref<StreamPeer> p_stream) { + WARN_PRINT_ONCE("Acting as WebSocket server is not supported in Web platforms."); + return ERR_UNAVAILABLE; +} + +Error EMWSPeer::_send(const uint8_t *p_buffer, int p_buffer_size, bool p_binary) { + ERR_FAIL_COND_V(outbound_buffer_size > 0 && (get_current_outbound_buffered_amount() + p_buffer_size >= outbound_buffer_size), ERR_OUT_OF_MEMORY); + + if (godot_js_websocket_send(peer_sock, p_buffer, p_buffer_size, p_binary ? 1 : 0) != 0) { + return FAILED; + } return OK; } +Error EMWSPeer::send(const uint8_t *p_buffer, int p_buffer_size, WriteMode p_mode) { + return _send(p_buffer, p_buffer_size, p_mode == WRITE_MODE_BINARY); +} + +Error EMWSPeer::put_packet(const uint8_t *p_buffer, int p_buffer_size) { + return _send(p_buffer, p_buffer_size, true); +} + Error EMWSPeer::get_packet(const uint8_t **r_buffer, int &r_buffer_size) { - if (_in_buffer.packets_left() == 0) { + if (in_buffer.packets_left() == 0) { return ERR_UNAVAILABLE; } int read = 0; - Error err = _in_buffer.read_packet(_packet_buffer.ptrw(), _packet_buffer.size(), &_is_string, read); + Error err = in_buffer.read_packet(packet_buffer.ptrw(), packet_buffer.size(), &was_string, read); ERR_FAIL_COND_V(err != OK, err); - *r_buffer = _packet_buffer.ptr(); + *r_buffer = packet_buffer.ptr(); r_buffer_size = read; return OK; } int EMWSPeer::get_available_packet_count() const { - return _in_buffer.packets_left(); + return in_buffer.packets_left(); } int EMWSPeer::get_current_outbound_buffered_amount() const { @@ -93,20 +158,66 @@ int EMWSPeer::get_current_outbound_buffered_amount() const { } bool EMWSPeer::was_string_packet() const { - return _is_string; + return was_string; } -bool EMWSPeer::is_connected_to_host() const { - return peer_sock != -1; +void EMWSPeer::_clear() { + if (peer_sock != -1) { + godot_js_websocket_destroy(peer_sock); + peer_sock = -1; + } + ready_state = STATE_CLOSED; + was_string = 0; + close_code = -1; + close_reason.clear(); + selected_protocol.clear(); + requested_url.clear(); + in_buffer.clear(); + packet_buffer.clear(); } void EMWSPeer::close(int p_code, String p_reason) { - if (peer_sock != -1) { - godot_js_websocket_close(peer_sock, p_code, p_reason.utf8().get_data()); + if (p_code < 0) { + if (peer_sock != -1) { + godot_js_websocket_destroy(peer_sock); + peer_sock = -1; + } + ready_state = STATE_CLOSED; + } + if (ready_state == STATE_CONNECTING || ready_state == STATE_OPEN) { + ready_state = STATE_CLOSING; + if (peer_sock != -1) { + godot_js_websocket_close(peer_sock, p_code, p_reason.utf8().get_data()); + } else { + ready_state = STATE_CLOSED; + } } - _is_string = 0; - _in_buffer.clear(); - peer_sock = -1; + in_buffer.clear(); + packet_buffer.clear(); +} + +void EMWSPeer::poll() { + // Automatically polled by the navigator. +} + +WebSocketPeer::State EMWSPeer::get_ready_state() const { + return ready_state; +} + +int EMWSPeer::get_close_code() const { + return close_code; +} + +String EMWSPeer::get_close_reason() const { + return close_reason; +} + +String EMWSPeer::get_selected_protocol() const { + return selected_protocol; +} + +String EMWSPeer::get_requested_url() const { + return requested_url; } IPAddress EMWSPeer::get_connected_host() const { @@ -122,11 +233,10 @@ void EMWSPeer::set_no_delay(bool p_enabled) { } EMWSPeer::EMWSPeer() { - close(); } EMWSPeer::~EMWSPeer() { - close(); + _clear(); } #endif // WEB_ENABLED |