CODEWITHSUNDEEP
c#javascriptasp.net-mvc-4asp.net-web-apisignalr
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Reputation: 9015

How to send message to signalR specific PersistentConnection by its ID ? (with asp.net mvc4 web-api)

I use class Echo derived from PersistentConnection, and I want to send a message to certain connection:

var client = GlobalHost.ConnectionManager.GetConnectionContext<Echo>();
client.Connection.Broadcast(msg);

But I want to send it to specific connection ID. Do I have to create a group for every connection or start using Hubs, or there is a simpler way to select connection by ID, something like:

GetConnectionById(id).Send(msg);

?

Upvotes: 3

Views: 2075

Answers (1)

S. Ravi Kiran
S. Ravi Kiran

Reputation: 4303

Message can be sent to a specific connection ID, but the syntax is not same as what you specified in the question. Following snippet shows the syntax:

return Connection.Send(connectionId, Message);

Source of my answer: SignalR wiki on Github

I think, you are aware that SignalR 1 Alpha is released. It is possible to send message to a specific client by its ID if you use this version. Following snippet shows it:

var connection = GlobalHost.ConnectionManager.GetConnectionContext<Echo>().Connection;
connection.Send(((Connection)connection).Identity, "Message to be sent");

Here, ((Connection)connection).Identity gives connection ID of the requesting client.

Upvotes: 2

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