public void SendUnicastData(IInteractor publisher, IInteractor subscriber, AuthorizationInfo authorization, UnicastData unicastData)
{
if (!publisher.HasRole(unicastData.Feed, Role.Publish))
{
Log.Warn($"Rejected request from {publisher} to publish on feed {unicastData.Feed}");
return;
}
var clientUnicastData =
authorization.IsAuthorizationRequired
? new ForwardedUnicastData(publisher.User, publisher.Address, unicastData.ClientId, unicastData.Feed, unicastData.Topic, unicastData.IsImage, unicastData.Data.Where(x => authorization.Entitlements.Contains(x.Header)).ToArray())
: new ForwardedUnicastData(publisher.User, publisher.Address, unicastData.ClientId, unicastData.Feed, unicastData.Topic, unicastData.IsImage, unicastData.Data);
Log.Debug($"Sending unicast data from {publisher} to {subscriber}: {clientUnicastData}");
_repository.AddPublisher(publisher, clientUnicastData.Feed, clientUnicastData.Topic);
try
{
subscriber.SendMessage(clientUnicastData);
}
catch (Exception exception)
{
Log.Debug($"Failed to send to subscriber {subscriber} unicast data {clientUnicastData}", exception);
}
}
public void SendMulticastData(IInteractor publisher, IEnumerable <KeyValuePair <IInteractor, AuthorizationInfo> > subscribers, MulticastData multicastData)
{
if (!(publisher == null || publisher.HasRole(multicastData.Feed, Role.Publish)))
{
Log.Warn($"Rejected request from {publisher} to publish to Feed {multicastData.Feed}");
return;
}
foreach (var subscriberAndAuthorizationInfo in subscribers)
{
var subscriber = subscriberAndAuthorizationInfo.Key;
var authorizationInfo = subscriberAndAuthorizationInfo.Value;
var subscriberMulticastData =
subscriberAndAuthorizationInfo.Value.IsAuthorizationRequired
? new ForwardedMulticastData(publisher?.User ?? "internal", publisher?.Address ?? IPAddress.None, multicastData.Feed, multicastData.Topic, multicastData.IsImage, FilterDataPackets(authorizationInfo.Entitlements, multicastData.Data))
: new ForwardedMulticastData(publisher?.User ?? "internal", publisher?.Address ?? IPAddress.None, multicastData.Feed, multicastData.Topic, multicastData.IsImage, multicastData.Data);
Log.Debug($"Sending multicast data from {publisher} to {subscriber}: {subscriberMulticastData}");
if (publisher != null)
{
_repository.AddPublisher(publisher, subscriberMulticastData.Feed, subscriberMulticastData.Topic);
}
try
{
subscriber.SendMessage(subscriberMulticastData);
}
catch (Exception exception)
{
Log.Debug($"Failed to send to subscriber {subscriber} multicast data {subscriberMulticastData}", exception);
}
}
}
internal void RequestSubscription(IInteractor subscriber, SubscriptionRequest subscriptionRequest)
{
if (!subscriber.HasRole(subscriptionRequest.Feed, Role.Subscribe))
{
Log.Warn($"Rejected request from {subscriber} to subscribe to feed \"{subscriptionRequest.Feed}\"");
return;
}
Log.Debug($"Received subscription from {subscriber} on \"{subscriptionRequest}\"");
if (subscriptionRequest.IsAdd)
{
_interactorManager.RequestAuthorisation(subscriber, subscriptionRequest.Feed, subscriptionRequest.Topic);
}
else
{
_repository.RemoveSubscription(subscriber, subscriptionRequest.Feed, subscriptionRequest.Topic, false);
_notificationManager.ForwardSubscription(subscriber, subscriptionRequest);
}
}