//------------------------------------------------------------------------------
/*
    This file is part of rippled: https://github.com/ripple/rippled
    Copyright (c) 2012, 2013 Ripple Labs Inc.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose  with  or without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies.

    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================

#ifndef RIPPLE_SERVER_PORT_H_INCLUDED
#define RIPPLE_SERVER_PORT_H_INCLUDED

#include <xrpl/basics/BasicConfig.h>
#include <xrpl/beast/net/IPEndpoint.h>
#include <boost/asio/ip/address.hpp>
#include <boost/asio/ip/network_v4.hpp>
#include <boost/asio/ip/network_v6.hpp>
#include <boost/beast/core/string.hpp>
#include <boost/beast/websocket/option.hpp>
#include <cstdint>
#include <memory>
#include <optional>
#include <set>
#include <string>
#include <variant>

namespace boost {
namespace asio {
namespace ssl {
class context;
}
}  // namespace asio
}  // namespace boost

namespace ripple {

/** Configuration information for a Server listening port. */
struct Port
{
    explicit Port() = default;

    std::string name;
    boost::asio::ip::address ip;
    std::uint16_t port = 0;
    std::set<std::string, boost::beast::iless> protocol;
    std::vector<boost::asio::ip::network_v4> admin_nets_v4;
    std::vector<boost::asio::ip::network_v6> admin_nets_v6;
    std::vector<boost::asio::ip::network_v4> secure_gateway_nets_v4;
    std::vector<boost::asio::ip::network_v6> secure_gateway_nets_v6;
    std::string user;
    std::string password;
    std::string admin_user;
    std::string admin_password;
    std::string ssl_key;
    std::string ssl_cert;
    std::string ssl_chain;
    std::string ssl_ciphers;
    boost::beast::websocket::permessage_deflate pmd_options;
    std::shared_ptr<boost::asio::ssl::context> context;

    // How many incoming connections are allowed on this
    // port in the range [0, 65535] where 0 means unlimited.
    int limit = 0;

    // Websocket disconnects if send queue exceeds this limit
    std::uint16_t ws_queue_limit;

    // Returns `true` if any websocket protocols are specified
    bool
    websockets() const;

    // Returns `true` if any secure protocols are specified
    bool
    secure() const;

    // Returns a string containing the list of protocols
    std::string
    protocols() const;

    bool
    has_udp() const
    {
        return protocol.count("udp") > 0;
    }

    // Maximum UDP packet size (default 64KB)
    std::size_t udp_packet_size = 65536;
};

std::ostream&
operator<<(std::ostream& os, Port const& p);

//------------------------------------------------------------------------------

struct ParsedPort
{
    explicit ParsedPort() = default;

    std::string name;
    std::set<std::string, boost::beast::iless> protocol;
    std::string user;
    std::string password;
    std::string admin_user;
    std::string admin_password;
    std::string ssl_key;
    std::string ssl_cert;
    std::string ssl_chain;
    std::string ssl_ciphers;
    boost::beast::websocket::permessage_deflate pmd_options;
    int limit = 0;
    std::uint16_t ws_queue_limit;

    std::optional<boost::asio::ip::address> ip;
    std::optional<std::uint16_t> port;
    std::vector<boost::asio::ip::network_v4> admin_nets_v4;
    std::vector<boost::asio::ip::network_v6> admin_nets_v6;
    std::vector<boost::asio::ip::network_v4> secure_gateway_nets_v4;
    std::vector<boost::asio::ip::network_v6> secure_gateway_nets_v6;
};

void
parse_Port(ParsedPort& port, Section const& section, std::ostream& log);

}  // namespace ripple

#endif
