private void Subscriber()
{
//〇 客户端和服务器端建立连接时需要将自己的身份ID和服务器ID写到数据库，断开连接时删除记录
//〇 每个服务上线时，根据服务唯一ID在Redis上订阅对应的Topic
//① 小明发送给小红的消息先被传输到服务A
//② 服务A收到消息从数据库中查到小红所连接的服务器是服务B
//③ 服务A将小明的消息转发到Redis中服务B的Topic
//④ 服务B收到Redis发来的消息
//⑤ 服务B将消息发送给小红
var serverList = Commont.RedisCommont.StackExchangeRedisHelper.redisClient.GetStringKey <List <string> >("ServerList");
if (serverList == null)
{
serverList = new List <string>();
}
ServerId = "722eb960-93f8-422d-b9bb-cd4b9fa78b59";// Guid.NewGuid().ToString();
if (!serverList.Contains(ServerId))
{
serverList.Add(ServerId);
foreach (var item in serverList)
{
RabbitMQProducterHelper.CreateInstance().SetExchangQueueName("ProjectDemo", $"Server_topic_{item}", "topic");
RabbitMQConsumerHelper.CreateInstance().ConsumerLogicDelegate += Commont.WebSocketCommont.WebSocketHelper.ConsumerLogicDel;
RabbitMQConsumerHelper.CreateInstance().SetExchangQueueName("ProjectDemo", $"Server_topic_{item}", "topic");
}
Commont.RedisCommont.StackExchangeRedisHelper.redisClient.SetStringKey("ServerList", JsonConvert.SerializeObject(serverList));//先用最简单的
}
}
/// <summary>
/// 监听接收
/// </summary>
/// <param name="webSocket"></param>
/// <returns></returns>
public async static Task ReceiveAsync(WebSocket webSocket)
{
var buffer = new byte[1024 * 4];
WebSocketReceiveResult result = await webSocket.ReceiveAsync(new ArraySegment <byte>(buffer), CancellationToken.None);
while (!webSocket.CloseStatus.HasValue)//连接中
{
//【记录发送内容】【点对点】记录数据库，标识,【群聊】群聊信息表，表连接查询没有发送过的，发送过后记录日志
//【点对点通讯】判断是否是本机的客户端，是的话直接发送，不是的话找到对应的路由发过去
//【群聊】找出本机的异步发送，分别找出服务器然后发送
var msgValue = Encoding.Default.GetString(buffer);//
var msg = JsonConvert.DeserializeObject <MessageModel>(msgValue);
var appServerList = Commont.RedisCommont.StackExchangeRedisHelper.redisClient.GetStringKey <Dictionary <string, string> >("APP-ServerList");
if (appServerList.ContainsKey(msg.TargetId.ToString()))
{
var host = appServerList.FirstOrDefault(u => u.Key == msg.TargetId.ToString()).Value;
RabbitMQProducterHelper.CreateInstance().SendMessage(new ConsumerCmd()
{
Param = msgValue
});
await SendMsgAsync(webSocket, "11111111111");//给自己发送消息
}
//重置消息容器
buffer = new byte[1024 * 4];
result = await webSocket.ReceiveAsync(new ArraySegment <byte>(buffer), CancellationToken.None);
}
#region 断开或者异常退出后操作
lock (obj)
{
var key = SocketList.Where(c => c.Value.Sk == webSocket).FirstOrDefault().Key ?? "";
if (!string.IsNullOrEmpty(key))
{
SocketList.Remove(key);
//移除
var appServerList = Commont.RedisCommont.StackExchangeRedisHelper.redisClient.GetStringKey <Dictionary <string, string> >("APP-ServerList");
if (appServerList.ContainsKey(key))
{
appServerList.Remove(key);
Commont.RedisCommont.StackExchangeRedisHelper.redisClient.SetStringKey("APP-ServerList", JsonConvert.SerializeObject(appServerList));
}
}
}
await webSocket.CloseAsync(webSocket.CloseStatus.Value, webSocket.CloseStatusDescription, CancellationToken.None);
#endregion
}
