/// <summary>
/// Creates a new group and adds it to our list of groups
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
private WebSocketGroup CreateGroup(WebSocketGroupQuery query)
{
WebSocketGroup g = new WebSocketGroup(query);
groups.Add(g);
return(g);
}
/// <summary>
/// Adds a client to a group
/// </summary>
/// <param name="query"></param>
public WebSocketGroup AddClient(GroupWebSocketService client, WebSocketGroupQuery query)
{
//Get a group for this client
WebSocketGroup g = GetClientGroup(query);
//Add client to group
g.AddClient(client);
return(g);
}
/// <summary>
/// Searches to see if a query can find a group. May return null.
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public WebSocketGroup FindGroup(WebSocketGroupQuery query)
{
foreach (var g in groups)
{
if (g.CheckIfAuthorized(query))
{
return(g);
}
}
return(null);
}
/// <summary>
/// Gets or creates a group for a client
/// </summary>
/// <param name="query"></param>
public WebSocketGroup GetClientGroup(WebSocketGroupQuery query)
{
lock (groups)
{
//Search for groups that will accept this
WebSocketGroup g = FindGroup(query);
if (g != null)
{
return(g);
}
//We'll need to create a group
return(CreateGroup(query));
}
}
/// <summary>
/// Sends a message to a query and returns if a group was found for it
/// </summary>
/// <param name="query"></param>
/// <param name="data"></param>
/// <param name="length"></param>
/// <param name="type"></param>
/// <returns></returns>
public async Task <bool> DistributeMessage(WebSocketGroupQuery query, byte[] data, int length, WebSocketMessageType type)
{
//Try to find a valid group
WebSocketGroup g = FindGroup(query);
if (g == null)
{
return(false);
}
//Send message
await g.SendDistributedMessage(data, length, type, new List <GroupWebSocketService>());
return(true);
}
/// <summary>
/// Checks if a new client should be added to this group. Checks against the identifier
/// </summary>
/// <param name="q"></param>
/// <returns></returns>
public bool CheckIfAuthorized(WebSocketGroupQuery q)
{
return(identifier.CheckIfAuthorized(q));
}
public WebSocketGroup(WebSocketGroupQuery identifier)
{
this.identifier = identifier;
this.clients = new List <GroupWebSocketService>();
}
/// <summary> /// Checks if a requested query matches this query /// </summary> /// <param name="request"></param> public abstract bool CheckIfAuthorized(WebSocketGroupQuery request);