public Form1()
{
InitializeComponent();
//when requesting sockets change, clear and display requests
requestingSockets.CollectionChanged += (s, e) =>
{
//remove all requesting controls
//foreach (Control item in Controls)
//{
//if (item.Name.Equals("request"))
//Invoke(new Action(() => { Controls.Remove(item); }));
//}
for (int i = 0; i < Controls.Count; i++)
{
if (Controls[i].Name.Equals("request"))
{
Invoke(new Action(() => { Controls.Remove(Controls[i]); }));
i--; //subtract one because by removing a control, just decreased the controls list count, could create list of controls to remove then remove after instead
}
}
//displays requesting controls
DisplayRequestingSockets();
};
server = new WebSocketServer("ws://10.92.84.183:80");
server.Start((socket) =>
{
//when a client socket connects
socket.OnOpen = () =>
{
Invoke(new Action(() => { rtbMessages.AppendText(String.Format("{0} connected.", socket.ConnectionInfo.Id) + Environment.NewLine); }));
sockets.Add(socket); //add client socket new list
};
//when a client socket disconnects
socket.OnClose = () =>
{
Invoke(new Action(() => { rtbMessages.AppendText(String.Format("{0} disconnected.", socket.ConnectionInfo.Id) + Environment.NewLine); }));
sockets.Remove(socket); //remove client socket from list
requestingSockets.Remove(socket); //remove client socket from requesitng list too
//if disconnected socket is current speaker, set current speaker to null (none)
if (currentSpeaker == socket)
{
currentSpeaker = null;
}
};
//when the sv receives a message from a client
socket.OnMessage = (message) =>
{
RootObject root = JsonConvert.DeserializeObject <RootObject>(message); //deserialize json message into obj
switch (root.Data.Type)
{
case "request":
Invoke(new Action(() => { rtbMessages.AppendText(socket.ConnectionInfo.Id + " wants to speak." + Environment.NewLine); }));
//add socket to requesting to speak
requestingSockets.Add(socket);
break;
}
};
});
//sends message to all clients
btnPing.Click += (s, e) =>
{
foreach (var socket in sockets)
{
RootObject root = new RootObject();
root.Data.Type = "ping";
root.Data.Message = "Server ping.";
string json = JsonConvert.SerializeObject(root);
socket.Send(json);
}
};
//turn off current speaker mic = no current speaker
btnTurnOffCurrentSpeaker.Click += (s, e) =>
{
currentSpeaker = null;
};
rtbMessages.AppendText("Server started." + Environment.NewLine);
}
//display id, yes and no buttons for client requests to speak
void DisplayRequestingSockets()
{
int counter = 0; //used for positioning of controls
foreach (var socket in requestingSockets)
{
//id
Label lbl = new Label();
lbl.Name = "request";
lbl.Text = socket.ConnectionInfo.Id.ToString();
lbl.Location = new Point(13, 225 + (40 * counter));
//yes btn
Button btnYes = new Button();
btnYes.Name = "request";
btnYes.Text = "Yes";
btnYes.Location = new Point(125, 225 + (40 * counter));
btnYes.Click += (s, e) =>
{
RootObject root = new RootObject();
root.Data.Type = "mic";
root.Data.On = true;
root.Data.Message = "mic on";
string json = JsonConvert.SerializeObject(root);
socket.Send(json);
//remove client socket from requesting
requestingSockets.Remove(socket);
//assign socket as current speaker socket
currentSpeaker = socket;
};
//no btn
Button btnNo = new Button();
btnNo.Name = "request";
btnNo.Text = "No";
btnNo.Location = new Point(225, 225 + (40 * counter));
btnNo.Click += (s, e) =>
{
RootObject root = new RootObject();
root.Data.Type = "mic";
root.Data.On = false;
root.Data.Message = "mic off";
string json = JsonConvert.SerializeObject(root);
socket.Send(json);
//remove client socket from requesting
requestingSockets.Remove(socket);
};
//add controls to view
Invoke(new Action(() => {
Controls.Add(lbl);
Controls.Add(btnYes);
Controls.Add(btnNo);
}));
//increment counter
counter++;
}
}