public static List <UserInfo> OnlineUsers = new List <UserInfo>(); // 在线用户列表
/// <summary>
/// 登录连线
/// </summary>
/// <param name="userId">用户Id</param>
/// <param name="userName">用户名</param>
public void Register(string userName)
{
var connnectId = Context.ConnectionId;
if (OnlineUsers.Count(x => x.ConnectionId == connnectId) == 0)
{
if (OnlineUsers.Any(x => x.UserName == userName))
{
var items = OnlineUsers.Where(x => x.UserName == userName).ToList();
foreach (var item in items)
{
Clients.AllExcept(connnectId).onUserDisconnected(item.ConnectionId, item.UserName);
}
OnlineUsers.RemoveAll(x => x.UserName == userName);
}
//添加在线人员
OnlineUsers.Add(new UserInfo
{
ConnectionId = connnectId,
UserName = userName,
LastLoginTime = DateTime.Now
});
IOHelper.WriteLog(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + string.Format("User {0} on line now", userName));
}
// 所有客户端同步在线用户
Clients.All.onConnected(connnectId, userName, OnlineUsers);
}
private static void RunSignalRServer(object task)
{
try
{
string url = ConfigurationManager.AppSettings["URL"];
IOHelper.WriteLog(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + string.Format("Server running on {0}", url));
_runningInstance = WebApp.Start(url);
}
catch (Exception ex)
{
string url = ConfigurationManager.AppSettings["URL"];
IOHelper.WriteLog(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + string.Format("Server running on {0} error!" + ex.Message, url));
}
}
/// <summary>
/// 断线时调用
/// </summary>
/// <param name="stopCalled"></param>
/// <returns></returns>
public override Task OnDisconnected(bool stopCalled)
{
var user = OnlineUsers.FirstOrDefault(u => u.ConnectionId == Context.ConnectionId);
// 判断用户是否存在,存在则删除
if (user == null)
{
return(base.OnDisconnected(stopCalled));
}
Clients.All.onUserDisconnected(user.ConnectionId, user.UserName); //调用客户端用户离线通知
// 删除用户
OnlineUsers.Remove(user);
Console.WriteLine("客户端断线，连接ID是:{0},当前在线人数为{1}", Context.ConnectionId, OnlineUsers.Count);
IOHelper.WriteLog(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + string.Format("Client Off line,ID:{0},UserNmae is {2},Total On Line {1}", Context.ConnectionId, OnlineUsers.Count, user.UserName));
return(base.OnDisconnected(stopCalled));
}
/// <summary>
/// 发送私聊
/// </summary>
/// <param name="toUserId">接收方用户连接ID</param>
/// <param name="message">内容</param>
public void SendPrivateMessage(string toUserName, string message)
{
var fromConnectionId = Context.ConnectionId;
var toUser = OnlineUsers.FindAll(x => x.UserName == toUserName);
var fromUser = OnlineUsers.FirstOrDefault(x => x.ConnectionId == fromConnectionId);
foreach (UserInfo item in toUser)
{
if (item != null)
{
Clients.Client(item.ConnectionId).receivePrivateMessage(fromUser.UserName, message);
Clients.Client(item.ConnectionId).receivePrivateMessage(message);
IOHelper.WriteLog(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + string.Format("send massage '{0}',from {1} to {2}", message, fromUser.UserName, toUserName));
}
else
{
//表示对方不在线
Clients.Caller.absentSubscriber();
//Clients.Caller.addMessage(fromUser.UserName, toUserName+"downline!");
IOHelper.WriteLog(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + string.Format("{0} is Off line now", toUserName));
}
}
}
/// <summary>
/// 连线时调用
/// </summary>
/// <returns></returns>
public override Task OnConnected()
{
Console.WriteLine("客户端连接，连接ID是:{0},当前在线人数为{1}", Context.ConnectionId, OnlineUsers.Count + 1);
IOHelper.WriteLog(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + string.Format("Client On line，ID:{0},Total On Line {1}", Context.ConnectionId, OnlineUsers.Count + 1));
return(base.OnConnected());
}
