internal Lookup(
LocatorRegistry registry,
ILookupPrx lookup,
Communicator communicator,
ObjectAdapter replyAdapter)
{
_replyAdapter = replyAdapter;
_registry = registry;
_lookup = lookup;
_timeout = communicator.GetPropertyAsTimeSpan("IceDiscovery.Timeout") ?? TimeSpan.FromMilliseconds(300);
if (_timeout == Timeout.InfiniteTimeSpan)
{
_timeout = TimeSpan.FromMilliseconds(300);
}
_retryCount = communicator.GetPropertyAsInt("IceDiscovery.RetryCount") ?? 3;
_latencyMultiplier = communicator.GetPropertyAsInt("IceDiscovery.LatencyMultiplier") ?? 1;
if (_latencyMultiplier < 1)
{
throw new InvalidConfigurationException(
"The value of `IceDiscovery.LatencyMultiplier' must be a positive integer greater than 0");
}
_domainId = communicator.GetProperty("IceDiscovery.DomainId") ?? "";
// Create one lookup proxy per endpoint from the given proxy. We want to send a multicast
// datagram on each endpoint.
ILookupReplyPrx lookupReply = _replyAdapter.CreateProxy(
"dummy", ILookupReplyPrx.Factory).Clone(invocationMode: InvocationMode.Datagram);
var single = new Endpoint[1];
foreach (Endpoint endpoint in lookup.Endpoints)
{
// lookup's invocation mode is Datagram
Debug.Assert(endpoint.Transport == Transport.UDP);
single[0] = endpoint;
ILookupPrx?key = lookup.Clone(endpoints: single);
if (endpoint["interface"] is string mcastInterface && mcastInterface.Length > 0)
{
Endpoint?q = lookupReply.Endpoints.FirstOrDefault(e => e.Host == mcastInterface);
if (q != null)
{
single[0] = q;
_lookups[key] = lookupReply.Clone(endpoints: single);
}
}
if (!_lookups.ContainsKey(key))
{
// Fallback: just use the given lookup reply proxy if no matching endpoint found.
_lookups[key] = lookupReply;
}
}
Debug.Assert(_lookups.Count > 0);
}
internal Lookup(LocatorRegistry registry, ILookupPrx lookup, Communicator communicator,
ObjectAdapter replyAdapter)
{
_replyAdapter = replyAdapter;
_registry = registry;
_lookup = lookup;
_timeout = communicator.GetPropertyAsTimeSpan("IceDiscovery.Timeout") ?? TimeSpan.FromMilliseconds(300);
if (_timeout == System.Threading.Timeout.InfiniteTimeSpan)
{
_timeout = TimeSpan.FromMilliseconds(300);
}
_retryCount = communicator.GetPropertyAsInt("IceDiscovery.RetryCount") ?? 3;
_latencyMultiplier = communicator.GetPropertyAsInt("IceDiscovery.LatencyMultiplier") ?? 1;
_domainId = communicator.GetProperty("IceDiscovery.DomainId") ?? "";
// Create one lookup proxy per endpoint from the given proxy. We want to send a multicast
// datagram on each endpoint.
ILookupReplyPrx lookupReply = _replyAdapter.CreateProxy(
"dummy", ILookupReplyPrx.Factory).Clone(invocationMode: InvocationMode.Datagram);
var single = new Endpoint[1];
foreach (UdpEndpoint endpoint in lookup.Endpoints.Cast <UdpEndpoint>())
{
single[0] = endpoint;
ILookupPrx?key = lookup.Clone(endpoints: single);
if (endpoint.McastInterface.Length > 0)
{
Endpoint?q = lookupReply.Endpoints.FirstOrDefault(
e => e is IPEndpoint ipEndpoint && ipEndpoint.Host.Equals(endpoint.McastInterface));
if (q != null)
{
single[0] = q;
_lookups[key] = lookupReply.Clone(endpoints: single);
}
}
if (!_lookups.ContainsKey(key))
{
// Fallback: just use the given lookup reply proxy if no matching endpoint found.
_lookups[key] = lookupReply;
}
}
Debug.Assert(_lookups.Count > 0);
}
public void Initialize(PluginInitializationContext context)
{
const string defaultIPv4Endpoint = "udp -h 239.255.0.1 -p 4061";
const string defaultIPv6Endpoint = "udp -h \"ff15::1\" -p 4061";
if (_communicator.GetProperty("IceDiscovery.Multicast.Endpoints") == null)
{
_communicator.SetProperty("IceDiscovery.Multicast.Endpoints",
$"{defaultIPv4Endpoint}:{defaultIPv6Endpoint}");
}
string?lookupEndpoints = _communicator.GetProperty("IceDiscovery.Lookup");
if (lookupEndpoints == null)
{
List <string> endpoints = new ();
List <string> ipv4Interfaces = Network.GetInterfacesForMulticast("0.0.0.0", Network.EnableIPv4);
List <string> ipv6Interfaces = Network.GetInterfacesForMulticast("::0", Network.EnableIPv6);
endpoints.AddRange(ipv4Interfaces.Select(i => $"{defaultIPv4Endpoint} --interface \"{i}\""));
endpoints.AddRange(ipv6Interfaces.Select(i => $"{defaultIPv6Endpoint} --interface \"{i}\""));
lookupEndpoints = string.Join(":", endpoints);
}
if (_communicator.GetProperty("IceDiscovery.Reply.Endpoints") == null)
{
_communicator.SetProperty("IceDiscovery.Reply.Endpoints", "udp -h \"::0\" -p 0");
}
if (_communicator.GetProperty("IceDiscovery.Locator.Endpoints") == null)
{
_communicator.SetProperty("IceDiscovery.Locator.AdapterId", Guid.NewGuid().ToString());
}
_multicastAdapter = _communicator.CreateObjectAdapter("IceDiscovery.Multicast");
_replyAdapter = _communicator.CreateObjectAdapter("IceDiscovery.Reply");
_locatorAdapter = _communicator.CreateObjectAdapter("IceDiscovery.Locator");
// Setup locator registry.
var locatorRegistryServant = new LocatorRegistry(_communicator);
ILocatorRegistryPrx locatorRegistry =
_locatorAdapter.AddWithUUID(locatorRegistryServant, ILocatorRegistryPrx.Factory);
ILookupPrx lookup =
ILookupPrx.Parse($"IceDiscovery/Lookup -d:{lookupEndpoints}", _communicator).Clone(clearRouter: true);
// Add lookup Ice object
var lookupServant = new Lookup(locatorRegistryServant, _communicator);
_multicastAdapter.Add("IceDiscovery/Lookup", lookupServant);
// Setup locator on the communicator.
_locator = _locatorAdapter.AddWithUUID(new Locator(locatorRegistry, lookup, _replyAdapter),
ILocatorPrx.Factory);
_defaultLocator = _communicator.DefaultLocator;
_communicator.DefaultLocator = _locator;
_multicastAdapter.Activate();
_replyAdapter.Activate();
_locatorAdapter.Activate();
}
public void Initialize(PluginInitializationContext context)
{
bool ipv4 = _communicator.GetPropertyAsBool("Ice.IPv4") ?? true;
bool preferIPv6 = _communicator.GetPropertyAsBool("Ice.PreferIPv6Address") ?? false;
string address;
if (ipv4 && !preferIPv6)
{
address = _communicator.GetProperty("IceDiscovery.Address") ?? "239.255.0.1";
}
else
{
address = _communicator.GetProperty("IceDiscovery.Address") ?? "ff15::1";
}
int port = _communicator.GetPropertyAsInt("IceDiscovery.Port") ?? 4061;
string intf = _communicator.GetProperty("IceDiscovery.Interface") ?? "";
if (_communicator.GetProperty("IceDiscovery.Multicast.Endpoints") == null)
{
if (intf.Length > 0)
{
_communicator.SetProperty("IceDiscovery.Multicast.Endpoints",
$"udp -h \"{address}\" -p {port} --interface \"{intf}\"");
}
else
{
_communicator.SetProperty("IceDiscovery.Multicast.Endpoints", $"udp -h \"{address}\" -p {port}");
}
}
string lookupEndpoints = _communicator.GetProperty("IceDiscovery.Lookup") ?? "";
if (lookupEndpoints.Length == 0)
{
int ipVersion = ipv4 && !preferIPv6 ? Network.EnableIPv4 : Network.EnableIPv6;
List <string> interfaces = Network.GetInterfacesForMulticast(intf, ipVersion);
foreach (string p in interfaces)
{
if (p != interfaces[0])
{
lookupEndpoints += ":";
}
lookupEndpoints += $"udp -h \"{address}\" -p {port} --interface \"{p}\"";
}
}
if (_communicator.GetProperty("IceDiscovery.Reply.Endpoints") == null)
{
_communicator.SetProperty("IceDiscovery.Reply.Endpoints",
intf.Length == 0 ? "udp -h *" : $"udp -h \"{intf}\"");
}
if (_communicator.GetProperty("IceDiscovery.Locator.Endpoints") == null)
{
_communicator.SetProperty("IceDiscovery.Locator.AdapterId", Guid.NewGuid().ToString());
}
_multicastAdapter = _communicator.CreateObjectAdapter("IceDiscovery.Multicast");
_replyAdapter = _communicator.CreateObjectAdapter("IceDiscovery.Reply");
_locatorAdapter = _communicator.CreateObjectAdapter("IceDiscovery.Locator");
// Setup locator registry.
var locatorRegistry = new LocatorRegistry();
ILocatorRegistryPrx locatorRegistryPrx =
_locatorAdapter.AddWithUUID(locatorRegistry, ILocatorRegistryPrx.Factory);
ILookupPrx lookupPrx =
ILookupPrx.Parse($"IceDiscovery/Lookup -d:{lookupEndpoints}", _communicator).Clone(clearRouter: true);
// Add lookup Ice object
var lookup = new Lookup(locatorRegistry, lookupPrx, _communicator, _replyAdapter);
_multicastAdapter.Add("IceDiscovery/Lookup", lookup);
// Setup locator on the communicator.
_locator = _locatorAdapter.AddWithUUID(new Locator(lookup, locatorRegistryPrx), ILocatorPrx.Factory);
_defaultLocator = _communicator.DefaultLocator;
_communicator.DefaultLocator = _locator;
_multicastAdapter.Activate();
_replyAdapter.Activate();
_locatorAdapter.Activate();
}
internal Lookup(LocatorRegistry registryServant, Communicator communicator)
{
_registryServant = registryServant;
_domainId = communicator.GetProperty("IceDiscovery.DomainId") ?? "";
}
