private void broadcast_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (!string.IsNullOrWhiteSpace(tbBroadcastMessage.Text))
{
lock (((ICollection)MainWindowVM.OnlineUsers).SyncRoot)
{
for (int i = 0; i < MainWindowVM.OnlineUsers.Count; i++)
{
var u = MainWindowVM.OnlineUsers.ElementAtOrDefault(i);
if (u != null)
{
ServerService.InvokeClientService(u, service => service.NotifyMessage(new IMessage
{
Message = tbBroadcastMessage.Text,
MessageKind = 1,
Sender = new UserPoint {
UserName = "******", OrganizationName = "系统控制中心", UserGuid = Guid.Empty.ToString()
},
SendTime = DateTime.Now
}));
}
}
}
tbBroadcastMessage.Clear();
}
}
private void kickoff_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Image img = sender as Image;
var user = img.DataContext as UserPoint;
lock (((ICollection)MainWindowVM.OnlineUsers).SyncRoot)
{
MainWindowVM.OnlineUsers.Remove(user);
}
ServerService.InvokeClientService(user, service => service.KickOff(user.ConvertToBase()));
}
public void UserLogin(UserPoint user)
{
lock (((ICollection)MainWindowVM.OnlineUsers).SyncRoot)//估计：在lock中启用新线程，当lock中的代码执行完毕而新线程还在执行，那么新线程后续代码不再处于lock保护之下
{
var users = MainWindowVM.OnlineUsers.Where(o => o.UserID == user.UserID && o.UserGuid != user.UserGuid).ToArray();
if (users.Count() > 0)
{
Parallel.ForEach(users, u =>
{
MainWindowVM.OnlineUsers.Remove(u);
ServerService.InvokeClientService(u, service => service.KickOff(u.ConvertToBase()));
});
}
}
//var orgiUser = MainWindowVM.OnlineUsers.FirstOrDefault(o => o.UserGuid == user.UserGuid);
//if (orgiUser == null)
//{
OperationContext context = OperationContext.Current;
//获取传进的消息属性
MessageProperties properties = context.IncomingMessageProperties;
//获取消息发送的远程终结点IP和端口
IPEndPoint endpoint = properties[RemoteEndpointMessageProperty.Name] as IPEndPoint;
//RemoteEndpointMessageProperty endpoint = properties[RemoteEndpointMessageProperty.Name] as RemoteEndpointMessageProperty;
user.NetPointAddress = endpoint.ToString();//new IPEndPoint(IPAddress.Parse(endpoint.Address), endpoint.Port);
//context.OutgoingMessageProperties.Add("via", user.UDPIMIPPort);
lock (((ICollection)MainWindowVM.OnlineUsers).SyncRoot)
{
MainWindowVM.OnlineUsers.Add(new ServerUserPoint(user)
{
LoginTime = DateTime.Now
});
}
//}
//else//若存在相同Guid用户则更新，防止客户端之间多次打洞(后注：此处不可能出现这种情况)
//{
// lock (((ICollection)MainWindowVM.OnlineUsers).SyncRoot)
// {
// int index = MainWindowVM.OnlineUsers.IndexOf(orgiUser);
// MainWindowVM.OnlineUsers[index] = new ServerUserPoint(user) { LoginTime = DateTime.Now };
// }
//}
NotifyWhenUserLogin(user);
//return new OPResult { IsSucceed = true };
}