24Hour.Service/24Hour/Controllers/Common/WebSocketController.cs

using com.sun.org.apache.xpath.@internal.operations;
using Elight.Entity;
using Elight.Logic;
using Elight.Utility;
using Elight.Utility.Code;
using Elight.Utility.Extensions;
using java.awt;
using javax.xml.crypto;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using SqlSugar;
using System.Data;
using System.Net.WebSockets;
using System.Runtime.Serialization;
using System.Text;
using static com.sun.tools.@internal.xjc.reader.xmlschema.bindinfo.BIConversion;
using User = Elight.Utility.User;

namespace _24Hour.Controllers.Common
{
    [Authorize]
    [ApiController]
    public class WebSocketController : Controller
    {
        private readonly SqlSugarClient _db;//数据库
        App_Sys_UserModel _userdata = new App_Sys_UserModel();//当前用户
        private readonly ILogger<LoginController> _logger;//日志
        private readonly IConfiguration _configuration;
        private static object obj = new object();
        Result result = new Result();
        private static Dictionary<string, WebSocket> CONNECT_POOL = new Dictionary<string, WebSocket>();//用户连接池
        private static Dictionary<string, Addressda> meeting_pool = new Dictionary<string, Addressda>();//会议连接池
        private static Dictionary<string, string> userzx = new Dictionary<string, string>();//检察官在线池
        //private static Dictionary<string, List<MessageInfo>> MESSAGE_POOL = new Dictionary<string, List<MessageInfo>>();//离线消息池
        public WebSocketController(ILogger<LoginController> logger, SqlSugarClient db, User userdata, IConfiguration configuration)
        {
            _logger = logger;
            _db = db;
            _userdata = userdata.Userdata();
            _configuration = configuration;
        }
        [HttpGet("/ws")]
        public async Task WebSocketServer()
        {
            if (HttpContext.WebSockets.IsWebSocketRequest)
            {
                try
                {
                    var socket = await HttpContext.WebSockets.AcceptWebSocketAsync();
                    await ProcessChat(socket);
                }
                catch (Exception ex)
                {
                }
            }
        }
        private async Task ProcessChat(WebSocket socket)
        {
            string user = _userdata.Id;

            try
            {
                #region 用户添加连接池
                //第一次open时，添加到连接池中
                if (!CONNECT_POOL.ContainsKey(user))
                    CONNECT_POOL.Add(user, socket);//不存在，添加
                else
                    if (socket != CONNECT_POOL[user])//当前对象不一致，更新
                    CONNECT_POOL[user] = socket;
                #endregion

                string descUser = string.Empty;//目的用户
                while (true)
                {
                    if (socket.State == WebSocketState.Open)
                    {
                        ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[2048]);
                        WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, CancellationToken.None);
                        if (result.MessageType == WebSocketMessageType.Close)
                        {
                            await socket.CloseAsync(WebSocketCloseStatus.NormalClosure, "", CancellationToken.None);
                            //if (meeting_pool.ContainsKey(user)) meeting_pool.Remove(user);//删除会议
                            if (CONNECT_POOL.ContainsKey(user)) CONNECT_POOL.Remove(user);//删除socket
                            ////判断当前检察官是否在线
                            //if (_userdata.usertype == 0 && userzx.ContainsKey(user))
                            //{
                            //    userzx.Remove(user);//删除在线用户
                            //}
                            socket.Dispose();
                            break;
                        }
                        else
                        {
                            var data = Encoding.UTF8.GetString(buffer);
                            Console.WriteLine(data);
                        }
                    }
                    else
                    {
                        Console.WriteLine("断开连接");
                        break;
                    }
                }//while end
            }
            catch (Exception ex)
            {
                //整体异常处理
                if (CONNECT_POOL.ContainsKey(user)) CONNECT_POOL.Remove(user);
            }
        }

        /// <summary>
        /// 消息发送
        /// </summary>
        /// <param name="Sendingdata"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("WebSocketSend")]
        public async Task<Result> WebSocketSend(WebSocketSending Sendingdata)
        {
            try
            {
                //获取发送人连接
                var socket = CONNECT_POOL.Where(q => q.Key == _userdata.Id).Select(q => q.Value).FirstOrDefault();
                if (socket!=null&&socket.State == WebSocketState.Open)
                {
                    ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[2048]);
                    //WebSocketReceiveResult ret = await socket.ReceiveAsync(buffer, CancellationToken.None);

                    #region 消息处理（消息转发）
                    try
                    {
                        #region 关闭Socket处理，删除连接池
                        if (socket.State != WebSocketState.Open)//连接关闭
                        {
                            if (CONNECT_POOL.ContainsKey(_userdata.Id)) CONNECT_POOL.Remove(_userdata.Id);//删除连接池
                        }
                        #endregion


                        #region 消息发送
                        var content = JsonConvert.SerializeObject(Sendingdata);
                        buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(content));

                        if (CONNECT_POOL.ContainsKey(Sendingdata.recipient))//判断客户端是否在线
                        {
                            WebSocket destSocket = CONNECT_POOL[Sendingdata.recipient];//目的客户端
                            if (destSocket != null && destSocket.State == WebSocketState.Open)
                            {
                                result.IsSucceed = true;
                                result.result = "已发送";

                                await destSocket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
                            }
                            else
                            {
                                result.IsSucceed = false;
                                result.result = "用户未上线!";
                            }
                        }
                        else
                        {
                            result.IsSucceed = false;
                            result.result = "用户未上线!";
                            //添加未读
                            //添加一条未读消息
                            //Task.Run(() =>
                            //{
                            //    if (!MESSAGE_POOL.ContainsKey(descUser))//将用户添加至离线消息池中
                            //        MESSAGE_POOL.Add(descUser, new List<MessageInfo>());
                            //    MESSAGE_POOL[descUser].Add(new MessageInfo(DateTime.Now, buffer));//添加离线消息
                            //});
                        }
                        #endregion
                    }
                    catch (Exception exs)
                    {
                        result.IsSucceed = false;
                        result.result = "用户未上线!";
                        //消息转发异常处理，本次消息忽略 继续监听接下来的消息
                    }
                    #endregion
                }
                else
                {
                    result.IsSucceed = false;
                    result.result = " 重新连接!";
                }
            }
            catch (Exception ex)
            {
                //整体异常处理
                if (CONNECT_POOL.ContainsKey(_userdata.Id)) CONNECT_POOL.Remove(_userdata.Id);
                result.IsSucceed = false;
                result.result = "用户未上线!";
            }
            return result;
        }


        /// <summary>
        /// 消息发送
        /// </summary>
        /// <param name="Sendingdata"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("text")]
        public async Task<Result> text()
        {
            try
            {
                //获取发送人连接
                var socket = CONNECT_POOL.Where(q => q.Key == _userdata.Id).Select(q => q.Value).First();
                if (socket.State == WebSocketState.Open)
                {
                    ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[2048]);
                    //WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, CancellationToken.None);

                    #region 消息处理（消息转发）
                    try
                    {
                        #region 关闭Socket处理，删除连接池
                        if (socket.State != WebSocketState.Open)//连接关闭
                        {
                            if (CONNECT_POOL.ContainsKey(_userdata.Id)) CONNECT_POOL.Remove(_userdata.Id);//删除连接池
                            result.IsSucceed = true;
                            result.result = "";
                            return result;
                        }
                        #endregion


                        #region 消息发送
                        var content = "测试test";
                        buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(content));
                        await socket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
                        #endregion
                    }
                    catch (Exception exs)
                    {
                        //消息转发异常处理，本次消息忽略 继续监听接下来的消息
                    }
                    #endregion
                }
                else
                {
                }
            }
            catch (Exception)
            {
                //整体异常处理
                if (CONNECT_POOL.ContainsKey(_userdata.Id)) CONNECT_POOL.Remove(_userdata.Id);
            }
            result.IsSucceed = true;
            result.result = "";
            return result;
        }


        /// <summary>
        /// 视频推送
        /// </summary>
        /// <param name="Sendingdata"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("Video")]
        public async Task<Result> Video(WebSocketSending Senddata)
        {
            try
            {
                //获取发送人连接
                var socket = CONNECT_POOL.Where(q => q.Key == _userdata.Id).Select(q => q.Value).FirstOrDefault();
                lock (obj)
                {
                    ////判断当前发送人是否是检察官
                    //if (_userdata.usertype == 0 && !userzx.ContainsKey(_userdata.Id))
                    //{
                    //    userzx.Add(_userdata.Id, "1");
                    //}
                    ////判断接收人检察官是否在线，
                    //if (_userdata.usertype == 1 && userzx.ContainsKey(Senddata.recipient))
                    //{
                    //    if (userzx[Senddata.recipient] == "1")
                    //    {
                    //        userzx[Senddata.recipient] = "2";
                    //    }
                    //    else
                    //    {
                    //        result.IsSucceed = false;
                    //        result.result = "占线中";
                    //        return result;
                    //    }
                    //}
                }
                if (socket != null && socket.State == WebSocketState.Open)
                {
                    ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[2048]);
                    //WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, CancellationToken.None);

                    #region 消息处理（消息转发）
                    try
                    {
                        #region 关闭Socket处理，删除连接池
                        if (socket.State != WebSocketState.Open)//连接关闭
                        {
                            if (CONNECT_POOL.ContainsKey(_userdata.Id)) CONNECT_POOL.Remove(_userdata.Id);//删除连接池
                            if (meeting_pool.ContainsKey(Senddata.meetingnumber)) meeting_pool.Remove(Senddata.meetingnumber);//删除会议
                            ////判断当前检察官是否在线
                            //if (_userdata.usertype == 0 && userzx.ContainsKey(_userdata.Id))
                            //{
                            //    userzx.Remove(_userdata.Id);//删除在线用户
                            //}
                            result.IsSucceed = true;
                            result.result = "";
                            return result;
                        }
                        #endregion

                        lock (obj)
                        {
                            #region 消息发送
                            var content = "";
                            //data.type等于1  为视频推送
                            if (Senddata.typenum == "1" && Senddata.deviceno.NotNull())
                            {
                                //设备视频流地址存放
                                Addressda Address = new Addressda();
                                Address.deviceAddress = Senddata.content;
                                if (!meeting_pool.ContainsKey(Senddata.meetingnumber))
                                    meeting_pool.Add(Senddata.meetingnumber, Address);//添加到会议视频推送池
                                else
                                {
                                    //更新会议室视频流地址
                                    var da = meeting_pool[Senddata.meetingnumber];
                                    da.deviceAddress = Senddata.content;
                                    meeting_pool[Senddata.meetingnumber] = da;
                                }
                                //设备发送给app
                                //Senddata.content = $"{_configuration.GetSection("Videoaddress:rtsp").Value}{Senddata.deviceno}";
                                //对象序列化
                                content = JsonConvert.SerializeObject(Senddata);
                                buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(content));
                            }
                            else
                            {
                                //app视频流地址存放
                                Addressda Address = new Addressda();
                                Address.appAddress = Senddata.content;
                                if (!meeting_pool.ContainsKey(Senddata.meetingnumber))
                                    meeting_pool.Add(Senddata.meetingnumber, Address);//添加到会议视频推送池
                                else
                                {
                                    //更新会议室视频流地址
                                    var da = meeting_pool[Senddata.meetingnumber];
                                    da.appAddress = Senddata.content;
                                    meeting_pool[Senddata.meetingnumber] = da;
                                }
                                //app发送给设备
                                Senddata.content = $"{_configuration.GetSection("Videoaddress:rtmp").Value}{Senddata.meetingnumber}";
                                //对象序列化
                                content = JsonConvert.SerializeObject(Senddata);
                                buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(content));
                            }
                            //判断客户端是否在线
                            if (CONNECT_POOL.ContainsKey(Senddata.recipient))
                            {
                                //获取目的客户端
                                WebSocket destSocket = CONNECT_POOL[Senddata.recipient];
                                //判断客户端是否连接
                                if (destSocket != null && destSocket.State == WebSocketState.Open)
                                {
                                    if (meeting_pool.ContainsKey(Senddata.meetingnumber))
                                    {
                                        var bol = true;
                                        var socketSendstr = JsonConvert.SerializeObject(Senddata);
                                        var socketSend = JsonConvert.DeserializeObject<WebSocketSending>(socketSendstr);
                                        //获取接收人会议池消息
                                        var data = meeting_pool[Senddata.meetingnumber];
                                        if (Senddata.typenum == "1" && Senddata.deviceno.NotNull())
                                            socketSend.content = data.appAddress;
                                        else
                                            socketSend.content = data.deviceAddress;
                                        if (!socketSend.content.NotNull()) bol = false;
                                        //对象序列化
                                        var dqcontent = JsonConvert.SerializeObject(socketSend);
                                        var dqbuffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(dqcontent));
                                        //当前用户socket发送
                                        if (bol)
                                            socket.SendAsync(dqbuffer, WebSocketMessageType.Text, true, CancellationToken.None);
                                    }
                                    //目的客户端发送
                                    destSocket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
                                }
                                else
                                {
                                    Addressda Address = new Addressda();
                                    if (!meeting_pool.ContainsKey(Senddata.meetingnumber))
                                    {
                                        if (Senddata.typenum == "1" && Senddata.deviceno.NotNull())
                                            Address.deviceAddress = Senddata.content;//设备视频流地址存放
                                        else
                                            Address.appAddress = Senddata.content;//app视频流地址存放

                                        meeting_pool.Add(Senddata.meetingnumber, Address);//添加到会议视频推送池
                                    }
                                    else
                                    {
                                        if (Senddata.typenum == "1" && Senddata.deviceno.NotNull())
                                        {
                                            //更新会议室视频流地址
                                            var da = meeting_pool[Senddata.meetingnumber];
                                            da.deviceAddress = Senddata.content;//设备视频流地址存放
                                            meeting_pool[Senddata.meetingnumber] = da;
                                        }
                                        else
                                        {
                                            //更新会议室视频流地址
                                            var da = meeting_pool[Senddata.meetingnumber];
                                            da.appAddress = Senddata.content;//app视频流地址存放
                                            meeting_pool[Senddata.meetingnumber] = da;
                                        }

                                    }
                                }
                            }
                            else
                            {
                                Addressda Address = new Addressda();
                                if (!meeting_pool.ContainsKey(Senddata.meetingnumber))
                                {
                                    if (Senddata.typenum == "1" && Senddata.deviceno.NotNull())
                                        Address.deviceAddress = Senddata.content;//设备视频流地址存放
                                    else
                                        Address.appAddress = Senddata.content;//app视频流地址存放

                                    meeting_pool.Add(Senddata.meetingnumber, Address);//添加到会议视频推送池
                                }
                                else
                                {
                                    if (Senddata.typenum == "1" && Senddata.deviceno.NotNull())
                                    {
                                        //更新会议室视频流地址
                                        var da = meeting_pool[Senddata.meetingnumber];
                                        da.deviceAddress = Senddata.content;//设备视频流地址存放
                                        meeting_pool[Senddata.meetingnumber] = da;
                                    }
                                    else
                                    {
                                        //更新会议室视频流地址
                                        var da = meeting_pool[Senddata.meetingnumber];
                                        da.appAddress = Senddata.content;//app视频流地址存放
                                        meeting_pool[Senddata.meetingnumber] = da;
                                    }

                                }
                            }
                            #endregion
                        }
                    }
                    catch (Exception exs)
                    {
                        //消息转发异常处理，本次消息忽略 继续监听接下来的消息
                    }
                    #endregion
                }
                else
                {
                    //判断当前检察官是否在线
                    //if (_userdata.usertype == 0 && userzx.ContainsKey(_userdata.Id))
                    //{
                    //    userzx.Remove(_userdata.Id);
                    //}
                }
            }
            catch (Exception ex)
            {
                //整体异常处理
                if (CONNECT_POOL.ContainsKey(_userdata.Id)) CONNECT_POOL.Remove(_userdata.Id);
                //整体异常处理
                if (meeting_pool.ContainsKey(Senddata.meetingnumber)) meeting_pool.Remove(Senddata.meetingnumber);

            }
            result.IsSucceed = true;
            result.result = "";
            return result;
        }


        /// <summary>
        /// 退出会议
        /// </summary>
        /// <param name="Sendingdata"></param>
        /// <returns></returns>
        [HttpGet]
        [Route("close")]
        public async Task<Result> close(string meetingnumber)
        {
            if (meeting_pool.ContainsKey(meetingnumber)) meeting_pool.Remove(meetingnumber);//删除会议
            result.IsSucceed = true;
            result.result = "";
            return result;
        }

        /// <summary>
        /// 系统消息发送
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        [HttpGet]
        [Route("system")]
        public async Task<bool> system(string Id)
        {
            try
            {
                //获取发送人连接
                var socket = CONNECT_POOL.Where(q => q.Key == Id).Select(q => q.Value).FirstOrDefault();
                if (socket != null && socket.State == WebSocketState.Open)
                {
                    ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[2048]);
                    #region 消息处理（消息转发）
                    try
                    {
                        #region 消息发送
                        var content = "system";
                        buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(content));
                        //当前用户socket发送
                        await socket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
                        #endregion
                    }
                    catch (Exception exs)
                    {
                        //消息转发异常处理，本次消息忽略 继续监听接下来的消息
                    }
                    #endregion
                }
                else
                {
                }
            }
            catch (Exception)
            {
            }
            return true;
        }
    }

    /// <summary>
    /// 消息发送
    /// </summary>
    public class WebSocketSending
    {
        /// <summary>
        /// 发送人
        /// </summary>
        [DataMember]
        public string? sender { get; set; }

        /// <summary>
        /// 发送内容
        /// </summary>
        [DataMember]
        public string? content { get; set; }
        /// <summary>
        /// 接收人
        /// </summary>
        [DataMember]
        public string? recipient { get; set; }
        /// <summary>
        /// 类型 0：消息，1：视频地址
        /// </summary>
        [DataMember]
        public string? typenum { get; set; }
        /// <summary>
        /// 设备编号
        /// </summary>
        [DataMember]
        public string? deviceno { get; set; }
        /// <summary>
        /// 会议编号
        /// </summary>
        [DataMember]
        public string? meetingnumber { get; set; }
    }


    /// <summary>
    /// 视频流地址
    /// </summary>
    public class Addressda
    {
        /// <summary>
        /// app地址
        /// </summary>
        public string? appAddress { get; set; }

        /// <summary>
        /// 设备地址
        /// </summary>
        public string? deviceAddress { get; set; }
    }
}