@Override
public void fromApp(final SipResponse res, final TransactionListener listener) {
Preconditions.checkNotNull(res);
if ((res.getStatus().getCode() / 100) == 1) {
switch (this.state) {
case Trying:
this.response = res;
this.setState(State.Proceeding);
listener.sendToNetwork(this.flowId, this.response);
break;
case Proceeding:
this.response = res;
listener.sendToNetwork(this.flowId, this.response);
break;
case Initial:
case Completed:
case Terminated:
break;
}
} else if ((res.getStatus().getCode() / 100) >= 2) {
// schedule the expiry timer.
// TODO change to dynamic value.
listener.schedule(this.getBranchId(), Duration.ofSeconds(32));
switch (this.state) {
case Trying:
this.response = res;
this.setState(State.Completed);
listener.sendToNetwork(this.flowId, this.response);
break;
case Proceeding:
this.response = res;
this.setState(State.Completed);
listener.sendToNetwork(this.flowId, this.response);
break;
case Initial:
case Completed:
case Terminated:
break;
}
}
}
@Override
public void fromNetwork(final SipRequestReceivedEvent e, final TransactionListener listener) {
switch (this.state) {
case Initial:
// pass the message on to the app layer.
this.flowId = e.getFlowId();
this.setState(State.Trying);
listener.sendToApp(null, e.getMessage());
break;
case Trying:
break;
case Proceeding:
case Completed:
// always send the response down the same flow as we received it.
Preconditions.checkNotNull(this.response);
listener.sendToNetwork(e.getFlowId(), this.response);
break;
case Terminated:
break;
}
}
