public List <ConnectionInfo> GetConnections()
{
List <ConnectionInfo> otherConnectionInfos = new List <ConnectionInfo>();
ConnectionInfo serverConnectionInfo = null;
if (ServerIPAddress != "")
{
try { serverConnectionInfo = new ConnectionInfo(ServerIPAddress, ServerPort); }
catch (Exception)
{
// ShowMessage("Failed to parse the server IP and port. Please ensure it is correct and try again");
return(otherConnectionInfos);
}
if (serverConnectionInfo != null)
{
otherConnectionInfos = (from current in NetworkComms.AllConnectionInfo() where current.RemoteEndPoint != serverConnectionInfo.RemoteEndPoint select current).ToList();
}
else
{
otherConnectionInfos = NetworkComms.AllConnectionInfo();
}
}
return(otherConnectionInfos);
}
private void sendMsg()
{
if (textBox1.Text.Length == 0)
{
return;
}
if (isHost == true)
{
messageHolder toSend = new messageHolder(host.name + ": " + textBox1.Text);
ChatLog.Items.Add(host.name + ": " + textBox1.Text);
List <ConnectionInfo> l = NetworkComms.AllConnectionInfo();
foreach (ConnectionInfo i in l)
{
TCPConnection.GetConnection(i).SendObject("Message", toSend);
}
}
else
{
messageHolder toSend = new messageHolder(cinfo.name + ": " + textBox1.Text);
ChatLog.Items.Add(cinfo.name + ": " + textBox1.Text);
newTCPConn.SendObject("Message", toSend);
}
textBox1.Clear();
}
public void SendForHelp()
{
try
{
NetworkComms.SendObject("Queue", serverIP, serverPort, name);
List <ConnectionInfo> arr = NetworkComms.AllConnectionInfo();
string connInfo = "";
string connIP = "";
int connPort = 0;
foreach (ConnectionInfo conn in arr)
{
connInfo = conn.ToString().Split(']').Last().Split('-').First().Trim();
connIP = connInfo.Split(':').First();
connPort = int.Parse(connInfo.Split(':').Last().Trim());
}
//Start listening for incoming connections if not already doing so
if (Connection.Listening(ConnectionType.TCP) == false)
{
Connection.StartListening(ConnectionType.TCP, new System.Net.IPEndPoint(System.Net.IPAddress.Any, connPort));
dispatcherTimer.Start();
}
}
catch (Exception)
{
_notifyIcon.BalloonTipIcon = System.Windows.Forms.ToolTipIcon.Info;
_notifyIcon.BalloonTipText = "Error connecting to server. Please try again later.";
_notifyIcon.BalloonTipTitle = "Error connecting.";
_notifyIcon.ShowBalloonTip(3000);
_notifyIcon.Text = "Error connecting.";
}
}
private static void TellClientToUpdateUsers(UserInfo userInfo)
{
string serializedUser = userInfo.SerializeToString();
foreach (ConnectionInfo info in NetworkComms.AllConnectionInfo())
{
TCPConnection.GetConnection(info).SendObject(Messages.UserUpdated, serializedUser);
}
}
private static void TellClientToRemoveSneeze(SneezeRecord sneeze)
{
string serializedSneeze = sneeze.SerializeToString();
foreach (ConnectionInfo info in NetworkComms.AllConnectionInfo())
{
TCPConnection.GetConnection(info).SendObject(Messages.SneezeRemoved, serializedSneeze);
}
}
/// <summary>
/// Send our message.
/// </summary>
private void SendMessage()
{
//If we have tried to send a zero length string we just return
if (messageText.Text.Trim() == "")
{
return;
}
//We may or may not have entered some server connection information
ConnectionInfo serverConnectionInfo = null;
if (serverIP.Text != "")
{
try { serverConnectionInfo = new ConnectionInfo(serverIP.Text.Trim(), int.Parse(serverPort.Text)); }
catch (Exception)
{
MessageBox.Show("Failed to parse the server IP and port. Please ensure it is correct and try again", "Server IP & Port Parse Error", MessageBoxButton.OK);
return;
}
}
//We wrap everything we want to send in the ChatMessage class we created
ChatMessage messageToSend = new ChatMessage(NetworkComms.NetworkIdentifier, localName.Text, messageText.Text, messageSendIndex++);
//We add our own message to the message history in-case it gets relayed back to us
lock (lastPeerMessageDict) lastPeerMessageDict[NetworkComms.NetworkIdentifier] = messageToSend;
//We write our own message to the chatBox
AppendLineToChatBox(messageToSend.SourceName + " - " + messageToSend.Message);
//We refresh the MessagesFrom box so that it includes our own name
RefreshMessagesFromBox();
//We clear the text within the messageText box.
this.messageText.Text = "";
//If we provided server information we send to the server first
if (serverConnectionInfo != null)
{
//We perform the send within a try catch to ensure the application continues to run if there is a problem.
try { TCPConnection.GetConnection(serverConnectionInfo).SendObject("ChatMessage", messageToSend); }
catch (CommsException) { MessageBox.Show("A CommsException occurred while trying to send message to " + serverConnectionInfo, "CommsException", MessageBoxButton.OK); }
}
//If we have any other connections we now send the message to those as well
//This ensures that if we are the server everyone who is connected to us gets our message
var otherConnectionInfos = (from current in NetworkComms.AllConnectionInfo() where current != serverConnectionInfo select current).ToArray();
foreach (ConnectionInfo info in otherConnectionInfos)
{
//We perform the send within a try catch to ensure the application continues to run if there is a problem.
try { TCPConnection.GetConnection(info).SendObject("ChatMessage", messageToSend); }
catch (CommsException) { MessageBox.Show("A CommsException occurred while trying to send message to " + info, "CommsException", MessageBoxButton.OK); }
}
}
/// <summary>
/// Writes the provided sneeze to the console window
/// </summary>
private static void HandleSneeze(PacketHeader header, Connection connection, string serializedSneeze)
{
SneezeRecord sneeze = new SneezeRecord();
sneeze.DeserializeFromString(serializedSneeze);
database.Sneezes.Add(sneeze);
database.Save();
foreach (ConnectionInfo info in NetworkComms.AllConnectionInfo())
{
TCPConnection.GetConnection(info).SendObject(Messages.PersonSneezed, serializedSneeze);
}
}
/// <summary>
/// Send a message to clients
/// </summary>
private void SendMessage()
{
if (messageText.Text.Trim() == "")
{
return;
}
Message messageToSend = new Message(NetworkComms.NetworkIdentifier, localName.Text, "", messageText.Text, messageSendIndex++);
lock (lastPeerMessageDict) lastPeerMessageDict[NetworkComms.NetworkIdentifier] = messageToSend;
AppendLineToRichChatBox("[" + (DateTime.Now).ToString(hourFormat) + "] " + messageToSend.SourceName + " : " + messageToSend.MessageContent);
RefreshMessagesFromBox();
this.messageText.Text = "";
var otherConnectionInfos = (from current in NetworkComms.AllConnectionInfo() select current).ToArray();
foreach (ConnectionInfo info in otherConnectionInfos)
{
try { TCPConnection.GetConnection(info).SendObject("Message", messageToSend); }
catch (CommsException) { MessageBox.Show("A CommsException occurred while trying to send message to " + info, "CommsException", MessageBoxButton.OK); }
}
}
private void refreshConns()
{
connectionsBox.Clear();
List <ConnectionInfo> arr = NetworkComms.AllConnectionInfo();
foreach (ConnectionInfo conn in arr)
{
if (conn.ToString().Length > 43)
{
string connInfo = conn.ToString().Split('>').Last().Trim();
string connIP = connInfo.Split(':').First();
int connPort = int.Parse(connInfo.Split(':').Last().Split('(').First().Trim());
connectionsBox.Dispatcher.BeginInvoke(new Action(() =>
{
connectionsBox.AppendText(connIP + ":" + connPort + "\n");
}));
}
}
}
/// <summary>
/// Send message to clients
/// </summary>
private void SendMessage()
{
if (messageText.Text.Trim() == "")
{
return;
}
Message messageToSend = new Message(NetworkComms.NetworkIdentifier, username, "CHAT", messageText.Text, messageSendIndex++);
lock (lastPeerMessageDict) lastPeerMessageDict[NetworkComms.NetworkIdentifier] = messageToSend;
AppendLineToRichChatBox("[" + (DateTime.Now).ToString("HH:mm:ss dd/MM/yyyy") + "] " + messageToSend.SourceName + " : " + messageToSend.MessageContent);
this.messageText.Text = "";
if (serverConnectionInfo != null)
{
try
{
TCPConnection.GetConnection(serverConnectionInfo).SendObject("Message", messageToSend);
}
catch (CommsException)
{
MessageBox.Show("A CommsException occurred while trying to send message to " + serverConnectionInfo, "CommsException", MessageBoxButton.OK);
}
}
var otherConnectionInfos = (from current in NetworkComms.AllConnectionInfo() where current != serverConnectionInfo select current).ToArray();
foreach (ConnectionInfo info in otherConnectionInfos)
{
try
{
TCPConnection.GetConnection(info).SendObject("Message", messageToSend);
}
catch (CommsException)
{
MessageBox.Show("A CommsException occurred while trying to send message to " + info, "CommsException", MessageBoxButton.OK);
}
}
}
/// <summary>
/// Send a message.
/// </summary>
public void SendMessage(string stringToSend)
{
//If we have tried to send a zero length string we just return
if (stringToSend.Trim() == "")
{
return;
}
//We may or may not have entered some server connection information
ConnectionInfo serverConnectionInfo = null;
if (ServerIPAddress != "")
{
try { serverConnectionInfo = new ConnectionInfo(ServerIPAddress, ServerPort); }
catch (Exception)
{
ShowMessage("Failed to parse the server IP and port. Please ensure it is correct and try again");
return;
}
}
//We wrap everything we want to send in the ChatMessage class we created
ChatMessage chatMessage = new ChatMessage(NetworkComms.NetworkIdentifier, LocalName, stringToSend, messageSendIndex++);
//We add our own message to the message history in case it gets relayed back to us
lock (lastPeerMessageDict) lastPeerMessageDict[NetworkComms.NetworkIdentifier] = chatMessage;
//We write our own message to the chatBox
AppendLineToChatHistory(chatMessage.SourceName + " - " + chatMessage.Message);
//Clear the input box text
ClearInputLine();
//If we provided server information we send to the server first
if (serverConnectionInfo != null)
{
//We perform the send within a try catch to ensure the application continues to run if there is a problem.
try
{
if (ConnectionType == ConnectionType.TCP)
{
TCPConnection.GetConnection(serverConnectionInfo).SendObject("ChatMessage", chatMessage);
}
else if (ConnectionType == ConnectionType.UDP)
{
UDPConnection.GetConnection(serverConnectionInfo, UDPOptions.None).SendObject("ChatMessage", chatMessage);
}
else
{
throw new Exception("An invalid connectionType is set.");
}
}
catch (CommsException) { AppendLineToChatHistory("Error: A communication error occurred while trying to send message to " + serverConnectionInfo + ". Please check settings and try again."); }
catch (Exception) { AppendLineToChatHistory("Error: A general error occurred while trying to send message to " + serverConnectionInfo + ". Please check settings and try again."); }
}
//If we have any other connections we now send the message to those as well
//This ensures that if we are the server everyone who is connected to us gets our message
//We want a list of all established connections not including the server if set
List <ConnectionInfo> otherConnectionInfos;
if (serverConnectionInfo != null)
{
otherConnectionInfos = (from current in NetworkComms.AllConnectionInfo() where current.RemoteEndPoint != serverConnectionInfo.RemoteEndPoint select current).ToList();
}
else
{
otherConnectionInfos = NetworkComms.AllConnectionInfo();
}
foreach (ConnectionInfo info in otherConnectionInfos)
{
//We perform the send within a try catch to ensure the application continues to run if there is a problem.
try
{
if (ConnectionType == ConnectionType.TCP)
{
TCPConnection.GetConnection(info).SendObject("ChatMessage", chatMessage);
}
else if (ConnectionType == ConnectionType.UDP)
{
UDPConnection.GetConnection(info, UDPOptions.None).SendObject("ChatMessage", chatMessage);
}
else
{
throw new Exception("An invalid connectionType is set.");
}
}
catch (CommsException) { AppendLineToChatHistory("Error: A communication error occurred while trying to send message to " + info + ". Please check settings and try again."); }
catch (Exception) { AppendLineToChatHistory("Error: A general error occurred while trying to send message to " + info + ". Please check settings and try again."); }
}
return;
}
public void SendMessage(string stringToSend)
{
//If we have tried to send a zero length string we just return
if (stringToSend.Trim() == "")
{
return;
}
//We may or may not have entered some server connection information
ConnectionInfo clientConnectionInfo = null;
if (ServerIPAddress != "")
{
try { clientConnectionInfo = new ConnectionInfo(ServerIPAddress, ServerPort); }
catch (Exception)
{
ShowMessage("Failed to parse the server IP and port. Please ensure it is correct and try again");
return;
}
}
// Check if input value is number
int value = 0;
if (!int.TryParse(stringToSend, out value))
{
}
//We wrap everything we want to send in the ChatMessage class we created
DataSendModel message = new DataSendModel(NetworkComms.NetworkIdentifier, LocalName, value);
//We write our own message to the chatBox
//AppendLineToChatHistory(message.SourceName + " - " + message.Message);
//If we provided server information we send to the server first
if (clientConnectionInfo != null)
{
//We perform the send within a try catch to ensure the application continues to run if there is a problem.
try
{
TCPConnection.GetConnection(clientConnectionInfo).SendObject("ServerMessage", message);
var x = clientConnectionInfo.RemoteEndPoint.ToString();
var temp = x.Split(':');
ClientModel newClient = new ClientModel()
{
IP = temp[0],
Port = int.Parse(temp[1]),
Name = message.SourceName,
Value = 0,
Value2 = "Empty"
};
bool checkExsisted = false;
foreach (var i in ls)
{
if (newClient.IP == i.IP && newClient.Port == i.Port)
{
checkExsisted = true;
}
}
if (!checkExsisted || ls.Count == 0)
{
ls.Add(newClient);
DisplayValuesFromClient(ls);
}
}
catch (CommsException e) { }
catch (Exception) { }
}
//If we have any other connections we now send the message to those as well
//This ensures that if we are the server everyone who is connected to us gets our message
//We want a list of all established connections not including the server if set
List <ConnectionInfo> otherConnectionInfos;
if (clientConnectionInfo != null)
{
otherConnectionInfos = (from current in NetworkComms.AllConnectionInfo() where current.RemoteEndPoint != clientConnectionInfo.RemoteEndPoint select current).ToList();
}
else
{
otherConnectionInfos = NetworkComms.AllConnectionInfo();
}
foreach (ConnectionInfo info in otherConnectionInfos)
{
//We perform the send within a try catch to ensure the application continues to run if there is a problem.
try
{
TCPConnection.GetConnection(info).SendObject("ServerMessage", message);
}
catch (CommsException) { NetworkComms.AllConnectionInfo().Remove(info); }
catch (Exception) { }
}
return;
}
/// <summary>
/// Returns a ConnectionInfo array containing information for all connections
/// 获取现存所有的连接，不包括已经关闭的连接
/// </summary>
/// <returns></returns>
public static List <ConnectionInfo> GetAllConnectionInfo()
{
return(NetworkComms.AllConnectionInfo(false));
}