/// <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>
/// Sends a message to all clients in our group
/// </summary>
/// <param name="data"></param>
/// <param name="length"></param>
/// <param name="type"></param>
/// <returns></returns>
public async Task SendMessageToGroup(WebSocketGroup group, byte[] data, int length, WebSocketMessageType type)
{
if (group == null)
{
return;
}
await group.SendDistributedMessage(data, length, type, new List <GroupWebSocketService>
{
this
});
}
/// <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>
/// Removes an empty group.
/// </summary>
/// <param name="group"></param>
private void RemoveGroup(WebSocketGroup group)
{
groups.Remove(group);
}
