architecture of event hub framework

1、Adapter must implement three methods:

.GetInterestedEvent：register interested event type at server;

.Recv: deal with events received from server;

.Disconnected: deal with disconnected situation ;  

2、Events between client and server:

Register/Deregister: client to server , client register/deregister interested event types at server

Block event/tx rejection / chaincode event: server to client, server send events to interested client.

3、Events from server to client

Ledger ->EventChannel

EventProcessor fetch event and drive all registered handlers to send event to client.

转载于:https://my.oschina.net/u/1421328/blog/759934