using CommonServer_ICE.Msg;
using Slice;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CommonServer_ICE.handler
{
    /// <summary>
    /// 服务器端UDP数据接收器实现类：接收客户端发来的ICE请求，委托监听器实现类处理
    /// </summary>
    internal class ServerUdpSendHandler : SenderDisp_
    {
        // 委托处理
        private ServerMsgHandler delegateHandler;

        public ServerUdpSendHandler(ServerMsgHandler delegateHandler)
        {
            this.delegateHandler = delegateHandler;
        }

        /// <summary>
        /// 接收客户端发送的数据包
        /// </summary>
        /// <param name="recvPort">发送方侦听端口</param>
        /// <param name="message">数据包</param>
        /// <param name="current">Ice通讯包</param>
        public override void SendData(int recvPort, TransMessage message, Ice.Current current)
        {
            Ice.UDPConnectionInfo udpConInfo = (Ice.UDPConnectionInfo)current.con.getInfo();
            delegateHandler.RecvData(recvPort, message, udpConInfo.remoteAddress, udpConInfo.remotePort);
        }

        /// <summary>
        /// 接收客户端收到服务器数据包时回送的应答数据包序列号
        /// </summary>
        /// <param name="recvPort">发送方侦听端口</param>
        /// <param name="serial">应答数据包序列号</param>
        /// <param name="current">Ice通讯包</param>
        public override void SendAck(int recvPort, long serial, Ice.Current current)
        {
            Ice.UDPConnectionInfo udpConInfo = (Ice.UDPConnectionInfo)current.con.getInfo();
            delegateHandler.SendDataRecvAck(recvPort, serial, udpConInfo.remoteAddress, udpConInfo.remotePort);
        }

        /// <summary>
        /// 客户端连接到服务器
        /// </summary>
        /// <param name="recvPort">发送方侦听端口</param>
        /// <param name="current">Ice通讯包</param>
        public override void Connect(int recvPort, Ice.Current current)
        {
            Ice.UDPConnectionInfo udpConInfo = (Ice.UDPConnectionInfo)current.con.getInfo();
            delegateHandler.Connect(recvPort, udpConInfo.remoteAddress, udpConInfo.remotePort);
        }

        /// <summary>
        /// 服务器连接到客户端的正确连接响应
        /// </summary>
        /// <param name="current">Ice通讯包</param>>
        public override void ConnectAck(Ice.Current current)
        {
            // 目前服务器端不连接到客户端，所以不处理此请求
        }

        /// <summary>
        /// 服务器端收到客户端发来的关闭连接请求
        /// </summary>
        /// <param name="recvPort">发送方侦听端口</param>
        /// <param name="current">Ice通讯包</param>
        public override void Close(int recvPort, Ice.Current current)
        {
            Ice.UDPConnectionInfo udpConInfo = (Ice.UDPConnectionInfo)current.con.getInfo();
            delegateHandler.Close(recvPort, udpConInfo.remoteAddress, udpConInfo.remotePort);
        }

        /// <summary>
        /// 服务器端收到客户端接到服务器端的关闭请求后的确认请求
        /// </summary>
        /// <param name="recvPort">发送方侦听端口</param>
        /// <param name="current">Ice通讯包</param>
        public override void CloseAck(int recvPort, Ice.Current current)
        {
            Ice.UDPConnectionInfo udpConInfo = (Ice.UDPConnectionInfo)current.con.getInfo();
            delegateHandler.CloseAck(recvPort, udpConInfo.remoteAddress, udpConInfo.remotePort);
        }
    }
}