void _client_StateChanged(object sender, ClientStateEventArgs e)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
ClientState = e.State;
});
}
public static void HandleReceivedPackages(ClientStateEventArgs e, Action <ClientStateEventArgs, IProtocolInfo> handleInnerProtocol)
{
string msg = string.Empty;
if (e.LastPackages != null && e.LastPackages.Count > 0)
{
// 遍历接收到的多个封包数据
foreach (var package in e.LastPackages)
{
// 打开一个封包的内容，如果返回的结果为null，表示协议未知或者未能正常解析
IProtocolInfo protocol = ServerManager.DefaultPackageDealer.Open(package);
if (protocol != null)
{
if (handleInnerProtocol != null)
{
handleInnerProtocol.BeginInvoke(e, protocol, null, null);
}
}
else
{
logger.Debug("协议未知或者未能正常解析。");
}
}
}
else
{
msg = e.LastReceivedMessage;
logger.Debug("非协议消息" + msg);
}
}
private static void TcpServer_MessageReceivedPreset(object sender, ClientStateEventArgs e)
{
//HandleReceivedPackages(e, (context, protocol) =>
//{
// Console.WriteLine(protocol.ToString());
//});
}
// 接收到客户端消息
private static void Events_MessageReceived(object sender, ClientStateEventArgs e)
{
ServerManager.HandleReceivedPackages(e, (context, protocol) =>
{
ProtocolTypes type = ProtocolTypes.FromValue(protocol.cmd);
// 收到学生连接请求
if (type == ProtocolTypes.S2T_Connect)
{
// 验证是否当前课堂的学生
var valid = DoFirstValidation(context, protocol);
// 保持连接, 发送锁屏命令
if (valid)
{
T2S_LockScreenInfo proc = new T2S_LockScreenInfo();
proc.msg.state = 1;
ServerManager.Send(proc);
}
}
// debug
//var package = ServerManager.DefaultPackageDealer.Seal(protocol);
//logger.Debug("收到消息 :" + protocol.ToString());
//logger.Debug(package.ToString());
});
}
// 客户端连接
private static void Events_ClientConnected(object sender, ClientStateEventArgs e)
{
e.ClientProxy.ValidatingHandler += (a) => { return(true); };
//logger.Info(string.Format("客户端 {0} 连接成功 ", e.ClientEndPoint));
}
private static void Events_ClientDisconnected(object sender, ClientStateEventArgs e)
{
Console.WriteLine(e.ClientEndPoint.ToString() + "断线了");
// 更新学生在线状况
var device = ServerManager.StudentDevices;
if (device != null)
{
var student = device.Keys.FirstOrDefault(p => p.StudentBusinessId == e.ClientProxy.BusinessID);
if (student != null)
{
student.IsOnline = false;
}
}
}
static void SkypeManager_ClientStateChanged(object sender, ClientStateEventArgs e)
{
// The ShuttingDown event doesn't seem to actually get fired when Skype exits.
// Need to poll the client to see if it is active, that's the only way to tell if
// it actually exited.
Console.WriteLine(e.NewState);
switch (e.NewState)
{
case ClientState.SignedOut:
skypeRetryTimer = new Timer(CheckIfSkypeExited, null, 5000, 5000);
break;
case ClientState.SignedIn:
skypeRetryTimer?.Dispose();
break;
}
}
private static void TcpServer_ConnectedPreset(object sender, ClientStateEventArgs e)
{
//Console.WriteLine(string.Format(" **** {0} 客户{1} 连接上了 **** ", DateTime.Now.ToString("HH:mm:ss"), e.ClientEndPoint));
}
private static void TcpServer_MessageSendPreset(object sender, ClientStateEventArgs e)
{
//Console.WriteLine("发送了一条消息");
}
private void Client_OnClientEvent(ClientStateEventArgs args) => OnClientStatusChanged?.Invoke(args);
private static void Events_MessageSend(object sender, ClientStateEventArgs e)
{
Console.WriteLine("发送了一条消息 " + e.LastPackages.Last().ToString());
}
/// <summary>
/// 验证学生
/// </summary>
/// <param name="e"></param>
/// <param name="info"></param>
private static bool DoFirstValidation(ClientStateEventArgs e, IProtocolInfo info)
{
S2T_ConnectInfo connectInfo = info as S2T_ConnectInfo;
// 新的客户端
var ThisClient = e.ClientProxy;
// 新的学生编号
var ThisBusinessId = connectInfo.msg.sId;
// 全局的学生清单
var StudentDevices = ServerManager.StudentDevices;
lock (StudentDevices)
{
// 查询学生清单中是否存在对应编号的学生
Student key = StudentDevices.Keys.FirstOrDefault(p => p.StudentBusinessId == ThisBusinessId);
if (key != null)
{
var ValueClient = StudentDevices[key];
if (ValueClient == null)
{
// 如果不存在，则关联学生对象和客户端对象
StudentDevices[key] = ThisClient;
ThisClient.BusinessID = key.StudentBusinessId; // 关联业务ID，以便下次作比较
// 2019-04-16 mzc
//e.BusinessId = ThisBusinessId;
key.IsOnline = true;
Console.WriteLine($"学生{key.RealName}连接上了");
}
else
{
// 如果已存在，判断客户端列表里是否有相同ID的连接（比较业务ID，如果相同，则断开之前的连接）
if (ValueClient.BusinessID.ToDefaultString() == ThisBusinessId)
{
var lastClient = StudentDevices[key];
//todo: 改为发命令
//ServerManager.Recycle(lastClient.ReceiveContext);
Console.WriteLine("同一学生重复连接，回收之前的一个连接，并保留当前连接。");
}
StudentDevices[key] = ThisClient;
ThisClient.BusinessID = key.StudentBusinessId;
key.IsOnline = true;
// 2019-04-16 mzc
//e.BusinessId = ThisBusinessId;
}
return(true);
}
else
{
// 如果连接上来的不是该班级的学生，则断开连接
ServerManager.Recycle(e.ClientSocketContext);
return(false);
}
}
}
