public override void ExecuteCommand(ChatSession session, StringRequestInfo requestInfo)
{
var result = new MsgInfo(MsgType.JOIN_RESULT);
var frame = MsgFrame.Parse(requestInfo.Body);
var msg = MsgInfo.FromFrame(new[] { frame });
var username = msg.FromUser;
// 用户未输入昵称
if (string.IsNullOrWhiteSpace(username))
{
result.Success = false;
result.Message = "Please enter your Nickname.";
MsgUtil.Send(session, result);
return;
}
var sessions = session.AppServer.GetSessions(_ => !string.IsNullOrWhiteSpace(_.UserName)).ToList();
// 昵称已经存在
if (sessions.Any(_ => _.UserName.Equals(username, StringComparison.OrdinalIgnoreCase)))
{
result.Success = false;
result.Message = "Nickname [" + username + "] exists, please get another one.";
MsgUtil.Send(session, result);
return;
}
// 昵称不存在，可以加入聊天
session.UserName = username;
// 返回当前的用户列表
var users = sessions.Where(sess => sess.SessionID != session.SessionID)
.Select(sess => sess.UserName);
result.Data = string.Join(",", users).ToBin();
MsgUtil.Send(session, result);
// 通知其它用户
MsgUtil.SendAll(session, new MsgInfo(MsgType.NEW_JOIN)
{
FromUser = session.UserName
});
}
/// <summary>
/// 一对一发消息
/// </summary>
/// <param name="session"></param>
/// <param name="requestInfo"></param>
public override void ExecuteCommand(ChatSession session, StringRequestInfo requestInfo)
{
var result = new MsgInfo(MsgType.SEND_RESULT);
session.Logger.DebugFormat("{0} {1} {2}", session.UserName ?? "--", requestInfo.Key, requestInfo.Body);
var frame = MsgFrame.Parse(requestInfo.Body);
var toSession = session.AppServer.GetSessions(_ => _.UserName == frame.Target).FirstOrDefault();
if (toSession == null)
{
result.Success = false;
result.Message = "User is not online.";
MsgUtil.Send(session, result);
return;
}
MsgUtil.Send(toSession, frame);
}
