Protocol Presence

Presence protocol allows you to know who is subscribed to a channel, this makes it easier to create chat applications and know who is online, example: game users, chat rooms, users viewing the same document...

Features

• By default user is identified by a name, but this can be customized passing more data: email, company, twitter...

• Events to Authorize if a Channel can be created, if a member is allowed...

• Every time a new member joins a channel, all members are notified.

• Publish messages to all channel subscribers.

• Low memory usage.

Components

  TsgcWSPServer_Presence: Server Protocol Presence VCL Component.

  TsgcWSPClient_Presence: Client Protocol Presence VCL Component.

Classes

  TsgcWSPresenceMessage: the object which encapsulates presence packet information.