//发送消息
private void btnSend_Click(object sender, RoutedEventArgs e)
{
string content = txtSend.Text.Trim();
PerMsg p = new PerMsg(UserName, content);
Chat boxItem = (Chat)listChat.SelectedItem;
boxItem.Msgs.Add(p);
txtSend.Text = "";
TalkContract talk = new TalkContract(LocalId, UserName, boxItem.SenderId, content);
helper.SendMessage(string.Format("TALK@{0}", DataHelpers.XMLSer <TalkContract>(talk)));
}
//send message to every user
static private void Broadcast(Message message)
{
foreach (TcpClient client in users.Keys)
{
TCPHelper.SendMessage(message, client);
}
}
private void btnLogin_Click(object sender, RoutedEventArgs e)
{
Connect();
if (txtId.Text == "" || txtPwd.Password == "")
{
ShowMsg(null, "请输入用户ID和密码");
}
else
{
string ID = txtId.Text.Trim();
string Pwd = txtPwd.Password.Trim();
LoginContract login = new LoginContract(ID, Pwd);
helper.SendMessage(string.Format("LOGIN@{0}", DataHelpers.XMLSer <LoginContract>(login)));
this.btnLogin.IsEnabled = false;
}
}
/// <summary>
/// Receive message in loop and prepare answer
/// </summary>
/// <param name="client"></param>
static private void TalkToClient(TcpClient client)
{
while (true)
{
//if client has disconnected, remove him from the list
if (!client.Connected)
{
if (users.Keys.Contains(client))
{
Broadcast(new TextMessage(DateTime.Now, "Server", String.Format("User {0} disconnected", users[client])));
users.Remove(client);
Log(String.Format("User {0} disconnected", users[client]));
}
else
{
Log("Couldn't register user");
}
break;
}
Message receivedMessage = TCPHelper.ReceiveMessage(client);
switch (receivedMessage.MessageHeader)
{
case Header.NameRequest:
//In case of name request, check is such name is taken, if so, reject this name
NameRequestMessage requestMessage = receivedMessage as NameRequestMessage;
if (users.Values.Contains(requestMessage.NameToRequest))
{
TCPHelper.SendMessage(new Message(Header.NameRejected, DateTime.Now, "Server"), client);
Log(String.Format("Username {0} taken", requestMessage.NameToRequest));
client.Close();
}
else
{
//If we already have a connected user with a name, change his name to a new one and send accept message. Also, tell every user about the name change
if (users.Keys.Contains(client))
{
string previousName = users[client];
users[client] = requestMessage.NameToRequest;
TCPHelper.SendMessage(new Message(Header.NameAccepted, DateTime.Now, "Server"), client);
Broadcast(new TextMessage(DateTime.Now, "Server", String.Format("User {0} is now {1}", previousName, users[client])));
Log(String.Format("User {0} is now {1}", previousName, users[client]));
}
//If this is a new user, add him to our user list, send him accept message, and also notify everyone about new user
else
{
users.Add(client, requestMessage.NameToRequest);
TCPHelper.SendMessage(new Message(Header.NameAccepted, DateTime.Now, "Server"), client);
Broadcast(new TextMessage(DateTime.Now, "Server", String.Format("User {0} has joined the chat", requestMessage.NameToRequest)));
Log(String.Format("User {0} has joined the chat", users[client]));
}
}
break;
//If we get a textmessage, send it to everyone
case Header.TextMessage:
TextMessage textMessage = receivedMessage as TextMessage;
if (users.Keys.Contains(client))
{
Broadcast(new TextMessage(DateTime.Now, users[client], textMessage.Text));
Log(new TextMessage(DateTime.Now, users[client], textMessage.Text).ToString());
}
else
{
Log("Uknown message: " + receivedMessage.ToString());
client.Close();
}
break;
//If we get an image, send it to everyone
case Header.ImageMessage:
ImageMessage imageMessage = receivedMessage as ImageMessage;
if (users.Keys.Contains(client))
{
Broadcast(new ImageMessage(DateTime.Now, users[client], imageMessage.Image));
Log(new TextMessage(DateTime.Now, users[client], "Image sent").ToString());
}
else
{
Log("Uknown message: " + receivedMessage.ToString());
client.Close();
}
break;
default:
Log("Uknown message: " + receivedMessage.ToString());
client.Close();
break;
}
}
}
/// <summary>
/// Send any kind of message (helper)
/// </summary>
/// <param name="message"></param>
public void SendMessage(Message message)
{
TCPHelper.SendMessage(message, tcpClient);
}
public static void Handle(object sender, string data)
{
ServerHandle server = new ServerHandle();
IServerHandle ish = (IServerHandle)server;
TCPHelper helper = (TCPHelper)sender;
string[] d = Data_Init(data);
switch (d[0])
{
case "LOGIN":
LoginContract login = null;
try
{
login = WTalk.Helpers.DataHelpers.DeXMLSer <LoginContract>(d[1]);
}
catch { }
LoginCallBack callBack = ish.Login(helper.tcpClient, login);
if (ShowOnServerWindow != null)
{
if (callBack.LoginStatus == Status.Yes)
{
UserArgs args = new UserArgs
{
IP = helper.tcpClient.Client.RemoteEndPoint.ToString(),
Id = login.UserId
};
string log = string.Format("{0}-->Login Success", helper.tcpClient.Client.RemoteEndPoint.ToString());
ShowOnServerWindow(null, log);
if (LoginHandler != null)
{
LoginHandler(null, args);
}
}
else
{
string log = string.Format("{0}-->Login Fail", helper.tcpClient.Client.RemoteEndPoint.ToString());
ShowOnServerWindow(null, log);
}
}
string msg = string.Format("LOGINCALLBACK@{0}", WTalk.Helpers.DataHelpers.XMLSer <LoginCallBack>(callBack));
helper.SendMessage(msg);
break;
case "SIGNUP":
SignupContract signup = null;
try
{
signup = DataHelpers.DeXMLSer <SignupContract>(d[1]);
}
catch { }
SignUpCallBack signUpCallBack = ish.Signup(signup);
if (ShowOnServerWindow != null)
{
string log = string.Format("{0}-->Signup:{1}", helper.tcpClient.Client.RemoteEndPoint.ToString(), signUpCallBack.MoreMsg);
//if (callBack.LoginStatus == Status.Yes)
//{
// string log = string.Format("{0}-->Signup", helper.tcpClient.Client.RemoteEndPoint.ToString());
// ShowOnServerWindow(null, log);
//}
//else
//{
// string log = string.Format("{0}-->Login Fail", helper.tcpClient.Client.RemoteEndPoint.ToString());
// ShowOnServerWindow(null, log);
//}
ShowOnServerWindow(null, log);
}
helper.SendMessage(string.Format("SIGNUPCALLBACK@{0}", DataHelpers.XMLSer <SignUpCallBack>(signUpCallBack)));
break;
case "LOGOUT":
//string logoutlog = string.Format("{0}-->登出", helper.tcpClient.Client.RemoteEndPoint.ToString());
//if(ShowOnServerWindow != null)
//{
// ShowOnServerWindow(null, logoutlog);
//}
break;
case "SEARCH":
SearchContract search = null;
try
{
search = DataHelpers.DeXMLSer <SearchContract>(d[1]);
SearchCallBack back = ish.Search(search);
helper.SendMessage(string.Format("SEARCHCALLBACK@{0}", DataHelpers.XMLSer <SearchCallBack>(back)));
}
catch
{
}
break;
case "ADD":
AddContract add = null;
try
{
add = DataHelpers.DeXMLSer <AddContract>(d[1]);
AddComfirmArgs args = ish.Add(add);
if (args.IP != "Offline")
{
AddHandler(null, args);
}
}
catch
{
break;
}
break;
case "REMOVE":
RemoveContract remove = null;
try
{
remove = DataHelpers.DeXMLSer <RemoveContract>(d[1]);
ish.RemoveFriends(remove);
if (RemoveFriendHandler != null)
{
RemoveFriendHandler(null, remove);
}
}
catch (Exception e)
{
throw e;
}
break;
case "TALK":
TalkContract talk = new TalkContract();
try
{
talk = DataHelpers.DeXMLSer <TalkContract>(d[1]);
if (TalkHandler != null)
{
TalkHandler(null, talk);
}
}
catch
{
}
break;
case "ADDCONFIRMCALLBACK":
AddConfirmCallBack accb = null;
AddCallBack addCallBack = null;
try
{
accb = DataHelpers.DeXMLSer <AddConfirmCallBack>(d[1]);
addCallBack = ish.AddComfirm(accb);
if (UpdateFriendListHandler != null)
{
UpdateFriendListHandler(null, addCallBack);
}
}
catch
{
break;
}
break;
default:
break;
}
}
