/*************************************************************************/
/*  dtls_server_mbedtls.cpp                                              */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 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 "dtls_server_mbedtls.h"
#include "packet_peer_mbed_dtls.h"

Error DTLSServerMbedTLS::setup(Ref<CryptoKey> p_key, Ref<X509Certificate> p_cert, Ref<X509Certificate> p_ca_chain) {
	ERR_FAIL_COND_V(_cookies->setup() != OK, ERR_ALREADY_IN_USE);
	_key = p_key;
	_cert = p_cert;
	_ca_chain = p_ca_chain;
	return OK;
}

void DTLSServerMbedTLS::stop() {
	_cookies->clear();
}

Ref<PacketPeerDTLS> DTLSServerMbedTLS::take_connection(Ref<PacketPeerUDP> p_udp_peer) {
	Ref<PacketPeerMbedDTLS> out;
	out.instantiate();

	ERR_FAIL_COND_V(!out.is_valid(), out);
	ERR_FAIL_COND_V(!p_udp_peer.is_valid(), out);
	out->accept_peer(p_udp_peer, _key, _cert, _ca_chain, _cookies);
	return out;
}

DTLSServer *DTLSServerMbedTLS::_create_func() {
	return memnew(DTLSServerMbedTLS);
}

void DTLSServerMbedTLS::initialize() {
	_create = _create_func;
	available = true;
}

void DTLSServerMbedTLS::finalize() {
	_create = nullptr;
	available = false;
}

DTLSServerMbedTLS::DTLSServerMbedTLS() {
	_cookies.instantiate();
}

DTLSServerMbedTLS::~DTLSServerMbedTLS() {
	stop();
}