IsolateSystemServiceRequestHandler(SystemServiceManager serviceManager, Isolate clientIsolate) {
this.serviceIsolate = Isolate.currentIsolate();
this.clientIsolate = clientIsolate;
this.serviceManager = serviceManager;
Link sendLink = Link.newLink(serviceIsolate, clientIsolate);
Link receiveLink = Link.newLink(clientIsolate, serviceIsolate);
this.sendReceiveLinks = new SystemServiceConnectionLinks(sendLink, receiveLink);
serviceRequestProtocol = new SystemServiceRequestProtocolAMS(this);
}
public SystemServiceConnectionLinks onServiceRequest(String serviceID) {
requestedService = serviceManager.getService(serviceID);
if (requestedService == null) {
return null;
}
Link serviceToClient = Link.newLink(serviceIsolate, clientIsolate);
Link clientToService = Link.newLink(clientIsolate, serviceIsolate);
SystemServiceConnectionLinks connectionLinks =
new SystemServiceConnectionLinks(serviceToClient, clientToService);
return connectionLinks;
}
public void run() {
SystemServiceConnectionLinks requestLinks = requestHandler.getSendReceiveLinks();
Link receiveLink = requestLinks.getReceiveLink();
try {
while (true) {
LinkMessage msg = receiveLink.receive();
requestHandler.handleServiceRequest();
}
} catch (ClosedLinkException cle) {
// do nothing
} catch (InterruptedIOException iioe) {
requestLinks.close();
} catch (IOException ioe) {
requestLinks.close();
}
}