didOpen method
Invoked when this server becomes ready receive requests.
ApplicationChannel.willStartReceivingRequests is invoked after this opening has completed.
Implementation
Future didOpen() async {
server!.serverHeader = "liquidart/$identifier";
logger.fine("ApplicationServer($identifier).didOpen start listening");
server!.map((baseReq) => Request(baseReq)).listen(entryPoint!.receive);
channel!.willStartReceivingRequests();
logger.info("Server liquidart/$identifier started.");
}